push

.vscode/launch.json

@@ -0,0 +1,19 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug",
+            "program": "${workspaceFolder}/target/debug/radar-g",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            "env": {
+                "RUST_LOG": "info"
+            }
+        }
+    ]
+}

Cargo.toml

@@ -1,37 +1,69 @@
 [package]
+edition = "2021"
 name = "radar-g"
 version = "0.1.0"
-edition = "2021"
+build = "build.rs"
+
+[[bin]]
+name = "radar-gi"
+path = "src/main.rs"
+windows = true
 
 [dependencies]
 
-imgui = "0.12.0"
+aligned-vec = "0.6.0"
+anyhow = "1.0.86"
+bytemuck = {version = "1.16.1", features = ["derive"]}
+byteorder = "1.5.0"
+cgmath = "0.18.0"
+chrono = "0.4.38"
+copypasta = "0.10.1"
+dirs = "5.0.1"
+env_logger = "0.11.3"
+flate2 = "1.0.30"
+# font-kit = {version = "0.14.1"}
+freetype-rs = {version="0.37.0",features = ["bundled"]}
+geo = "0.28.0"
 glow = "0.13.1"
-imgui-glow-renderer = "0.12.0"
-imgui-winit-support = "0.12.0"
 glutin = "0.31.3"
 glutin-winit = "0.4.2"
-copypasta = "0.10.1"
-raw-window-handle = "0.5.2"
-winit = "0.29.15"
-cgmath = "0.18.0"
-nalgebra-glm = "0.18.0"
-regex = "1.10.5"
-once_cell = "1.19.0"
+image = "0.25.2"
+imgui = {version="0.12.0",features = ["tables-api", "freetype"]}
+imgui-glow-renderer = "0.12.0"
+imgui-winit-support = "0.12.0"
 include_dir = "0.7.4"
-nom = "7.1.3"
-thiserror = "1.0.61"
 log = "0.4.22"
-env_logger = "0.11.3"
-bytemuck = { version = "1.16.1", features = ["derive"] }
+lru = "0.12.4"
 nalgebra = "0.33.0"
-nom-derive = "0.10.1"
-serde = { version = "1.0.204", features = ["derive"] }
-byteorder = "1.5.0"
-chrono = "0.4.38"
-flate2 = "1.0.30"
-anyhow = "1.0.86"
-serde_json = "1.0.120"
-geo = "0.28.0"
+nalgebra-glm = "0.18.0"
 ndarray = "0.15.6"
-aligned-vec = "0.6.0"
+nom = "7.1.3"
+nom-derive = "0.10.1"
+once_cell = "1.19.0"
+pathfinder_geometry = "0.5.1"
+raw-window-handle = "0.5.2"
+regex = "1.10.5"
+serde = {version = "1.0.204", features = ["derive"]}
+serde_json = "1.0.120"
+thiserror = "1.0.61"
+winit = "0.29.3"
+tinyfiledialogs = "3.0"
+tracker = "0.2.2"
+glsl = "7.0.0"
+glsl-quasiquote = "7.0.0"
+toml = "0.8.19"
+femtovg = "0.9.2"
+rust-embed = "8.5.0"
+tempfile = "3.12.0"
+
+[target.'cfg(windows)'.build-dependencies]
+windres = "0.2.2"
+
+[features]
+default = ["sdf_font"]
+
+sdfer_use_f64_instead_of_f32 = []
+normal_font = []
+sdf_font = []
+inparser = []
+femtovg = []

app-icon.rc

@@ -0,0 +1 @@
+IDI_ICON1 ICON "resources/radar-gi.ico"

build.rs

@@ -0,0 +1,16 @@
+extern crate windres;
+
+#[cfg(windows)]
+use windres::Build;
+
+fn main() {
+    #[cfg(windows)]
+    {
+        println!("cargo:rustc-link-arg=/SUBSYSTEM:WINDOWS");
+        println!("cargo:rustc-link-arg=/ENTRY:mainCRTStartup");
+
+        Build::new().compile("app-icon.rc").unwrap();
+    }
+    
+
+}

resources/radar.toml

@@ -0,0 +1,30 @@
+[[cmap]]
+type="DBZ"
+levels = [0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75]
+colors = ["#aaaaaa", "#0022ff", "#01a0f6", "#00ecec", "#00d800", "#019000", "#ffff00", "#e7c000", "#ff9000", "#ff0000", "#d60000",
+            "#c00000", "#ff00f0", "#9600b4", "#ad90f0"]
+
+[[cmap]]
+type="VEL"
+levels = [-90,-45, -35, -27, -20, -15, -10, -5, -1, 0, 1, 5, 10, 15, 20, 27, 1000]
+colors = ["#9fffff", "#00e0ff", "#0080ff", "#320096", "#00fb90", "#00bb90", "#008f00", "#cdc09f","#000000", "#f88700", "#ffcf00", "#ffff00", "#ae0000", "#d07000", "#dd0000", "#ff0000"]
+
+[[cmap]]
+type="SW"
+colors=["#E0E0E0", "#7CE0E0", "#00E0E0", "#00B0B0", "#00FEFE", "#00C400", "#008000", "#FEFE00", "#FED200", "#FE7C00", "#FEB0B0", "#FE5858", "#FE0000", "#FEFEFE"]
+levels=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
+
+[[cmap]]
+type="CC"
+colors=["#003CFF", "#00EFEF", "#00BABF", "#00837D", "#008938", "#00B729", "#00DA0D", "#00FF00", "#FFFF3B", "#FFF000", "#FFC600", "#FFA500", "#FF7200", "#FF1F00", "#C10000", "#D400AA"]
+levels=[0, 0.1, 0.3, 0.5, 0.6, 0.7, 0.8, 0.85, 0.9, 0.92, 0.94, 0.95, 0.96, 0.97, 0.98, 0.99]
+
+[[cmap]]
+type="KDP"
+colors=["#00FFFF", "#00EFEF", "#00A8AC", "#B4B4B4", "#B4B4B4", "#00C027", "#00E80A", "#24FF24", "#FFFF1E", "#FFE600", "#FFBC00", "#FF9800", "#FF5E00", "#F20F00", "#BB003A", "#DD009C", "#FF00FF"]
+levels=[-0.8, -0.4, -0.2, -0.1, 0.1, 0.15, 0.22, 0.33, 0.5, 0.75, 1.1, 1.7, 2.4, 3.1, 7, 20]
+
+[[cmap]]
+type="ZDR"
+colors=["#464646", "#505050", "#5A5A5A", "#646464", "#6E6E6E", "#787878", "#828282", "#8C8C8C", "#969696", "#AFAFAF", "#C8C8C8", "#DCF0DC", "#00C027", "#00E80A", "#24FF24", "#FFFF1E", "#FFF20F", "#FFE600", "#FFBC00", "#FF9800", "#FF5E00", "#FFFF00", "#F20F00", "#BB003A", "#DD009C", "#FF00FF"]
+levels=[-5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5, 0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7]

shaders/agg-fast-path.frag

@@ -21,4 +21,5 @@ void main()
 
     if (v_color.a == 0)  { discard; }
     FragColor = stroke(v_distance, v_linewidth, v_antialias, v_color);
+    // FragColor = v_color;
 }

shaders/agg-fast-path.vert

@@ -33,47 +33,67 @@ void main ()
     // This function is externally generated
     // fetch_uniforms();
 
-    float id = gl_VertexID;
     v_linewidth = linewidth;
     v_antialias = antialias;
     v_color     = color;
 
     // transform prev/curr/next
-    vec4 prev_ = <transform(prev)>;
-    vec4 curr_ = <transform(curr)>;
-    vec4 next_ = <transform(next)>;
+    // vec4 prev_ = <transform(prev)>;
+    // vec4 curr_ = <transform(curr)>;
+    // vec4 next_ = <transform(next)>;
 
     // prev/curr/next in viewport coordinates
-    vec2 _prev = NDC_to_viewport(prev_, <viewport.viewport_global>.zw);
-    vec2 _curr = NDC_to_viewport(curr_, <viewport.viewport_global>.zw);
-    vec2 _next = NDC_to_viewport(next_, <viewport.viewport_global>.zw);
+    // vec2 _prev = NDC_to_viewport(prev_, <viewport.viewport_global>.zw);
+    // vec2 _curr = NDC_to_viewport(curr_, <viewport.viewport_global>.zw);
+    // vec2 _next = NDC_to_viewport(next_, <viewport.viewport_global>.zw);
 
     // Compute vertex final position (in viewport coordinates)
     float w = linewidth/2.0 + 1.5*antialias;
     float z;
     vec2 P;
+    // if( curr == prev) {
+    //     vec2 v = normalize(_next.xy - _curr.xy);
+    //     vec2 normal = normalize(vec2(-v.y,v.x));
+    //     P = _curr.xy + normal*w*id;
+    // } else if (curr == next) {
+    //     vec2 v = normalize(_curr.xy - _prev.xy);
+    //     vec2 normal  = normalize(vec2(-v.y,v.x));
+    //     P = _curr.xy + normal*w*id;
+    // } else {
+    //     vec2 v0 = normalize(_curr.xy - _prev.xy);
+    //     vec2 v1 = normalize(_next.xy - _curr.xy);
+    //     vec2 normal  = normalize(vec2(-v0.y,v0.x));
+    //     vec2 tangent = normalize(v0+v1);
+    //     vec2 miter   = vec2(-tangent.y, tangent.x);
+    //     float l = abs(w / dot(miter,normal));
+    //     P = _curr.xy + miter*l*sign(id);
+    // }
+
     if( curr == prev) {
-        vec2 v = normalize(_next.xy - _curr.xy);
+        vec2 v = normalize(next.xy - curr.xy);
         vec2 normal = normalize(vec2(-v.y,v.x));
-        P = _curr.xy + normal*w*id;
+        P = curr.xy + normal*w*id;
     } else if (curr == next) {
-        vec2 v = normalize(_curr.xy - _prev.xy);
+        vec2 v = normalize(curr.xy - prev.xy);
         vec2 normal  = normalize(vec2(-v.y,v.x));
-        P = _curr.xy + normal*w*id;
+        P = curr.xy + normal*w*id;
     } else {
-        vec2 v0 = normalize(_curr.xy - _prev.xy);
-        vec2 v1 = normalize(_next.xy - _curr.xy);
+        vec2 v0 = normalize(curr.xy - prev.xy);
+        vec2 v1 = normalize(next.xy - curr.xy);
         vec2 normal  = normalize(vec2(-v0.y,v0.x));
         vec2 tangent = normalize(v0+v1);
         vec2 miter   = vec2(-tangent.y, tangent.x);
         float l = abs(w / dot(miter,normal));
-        P = _curr.xy + miter*l*sign(id);
+        P = curr.xy + miter*l*sign(id);
     }
 
     if( abs(id) > 1.5 ) v_color.a = 0.0;
 
     v_distance = w*id;
-    gl_Position = viewport_to_NDC(P, <viewport.viewport_global>.zw, curr_.z / curr_.w);
+    // gl_Position = viewport_to_NDC(P, <viewport.viewport_global>.zw, curr_.z / curr_.w);
+    // gl_Position = curr.xy + miter * l * sign(id);
 
-    <viewport.transform()>;
+    gl_Position = vec4(P , 0.0, 1.0);
+
+    // <viewport.transform()>;
 }

shaders/font.frag

@@ -0,0 +1,65 @@
+uniform sampler2D atlas_data;
+in vec2 v_texCoord;
+
+uniform vec4 uClipUV;
+// uniform vec2 uSdfUV;
+uniform vec4 uSdfConfig;
+uniform int uMode;
+uniform vec4 uBorder;
+uniform vec4 uStroke;
+uniform vec4 uFill;
+
+float getUVScale(vec2 sdfUV) {
+    float dx = dFdx(sdfUV.x);
+    float dy = dFdy(sdfUV.y);
+    return (sqrt(dx * dx + dy * dy) + sqrt(dy * dy + dx * dx)) * 0.5;
+}
+
+struct SDF {
+    float outer;
+    float inner;
+};
+
+
+vec4 getTexture(vec2 uv) {
+    return texture(atlas_data, uv);
+}
+
+vec4 getMask(vec4 color, vec2 uv, vec2 st) {
+    return color; // 默认不修改颜色
+}
+
+out vec4 fragColor;
+
+void main() {
+    vec4 fillColor = uFill;
+    vec4 strokeColor = uStroke;
+
+    float scale = getUVScale(v_texCoord);
+
+    vec4 texture = getTexture(v_texCoord);
+    float sdfRaw = 0.0;
+    float mark = 0.0;
+
+    float sdf;
+
+    float sdfRadius = uSdfConfig.x;
+    float expand = uBorder.x;
+    float bleed = uBorder.y;
+
+    float d = (texture.r - 0.75) * sdfRadius;
+    float s = (d + expand / uSdfConfig.y) / scale + 0.5 + bleed;
+    sdf = s; // Assuming SDF returns a single float, adjust as necessary
+
+    if (uMode == -2) {
+        fillColor = vec4(texture.rgb, fillColor.a);
+    }
+
+    if (gl_FragCoord.x < uClipUV.x || gl_FragCoord.y < uClipUV.y || gl_FragCoord.x > uClipUV.z || gl_FragCoord.y > uClipUV.w) {
+        discard;
+    }
+    // Compute mask based on SDF
+    float mask = clamp(sdf, 0.0, 1.0);
+    // Final color blending logic here
+    fragColor = vec4(fillColor.rgb + mark, fillColor.a * mask + mark);
+}

shaders/font.vert

@@ -0,0 +1,28 @@
+layout(location = 0) in vec3 input_position;
+layout(location = 1) in vec2 texcoord;
+
+
+uniform vec2 atlas_shape;
+
+out float v_scale;
+out vec2 v_texCoord;
+out vec4 v_color;
+
+
+
+const vec2 verts[4] = vec2[4](
+    vec2(-0.5f, 0.5f),
+    vec2(0.5f, 0.5f),
+    vec2(0.5f,-0.5f),
+    vec2(-0.5, -0.5f)
+);
+
+void main() {
+
+    // vec4 _position = <transform(input_position)>;
+    gl_Position = vec4(verts[gl_VertexID],0.0,1.0);
+    v_texCoord = texcoord / atlas_shape;
+
+    v_scale = 1.0;
+    v_color = vec4(1.0, 1.0, 1.0, 1.0);
+}

shaders/hello.vert

@@ -1,12 +1,7 @@
+layout(location = 0) in vec3 vertex;
 uniform mat4 projection;
 uniform mat4 view;
 
-const vec2 verts[3] = vec2[3](
-    vec2(0.5f, 1.0f),
-    vec2(0.0f, 0.0f),
-    vec2(1.0f, 0.0f)
-);
-
 out vec2 vert;
 out vec4 color;
 
@@ -23,7 +18,7 @@ vec4 srgb_to_linear(vec4 srgb_color) {
 }
 
 void main() {
-    vert = verts[gl_VertexID];
+    vert = vec2(vertex.xy);
     color = srgb_to_linear(vec4(vert, 0.5, 1.0));
-    gl_Position = vec4(vert - 0.5, 0.0, 1.0);
+    gl_Position = vec4(vert, 0.0, 1.0);
 }

shaders/misc/spatial-filters.frag

@@ -0,0 +1,289 @@
+const float kernel_bias  = -0.234377;
+const float kernel_scale = 1.241974;
+uniform sampler2D u_kernel;
+
+vec4 filter1D_radius1(sampler2D kernel, float index, float x, vec4 c0, vec4 c1) {
+    float w;
+    float w_sum = 0.0;
+    vec4 r = vec4(0.0,0.0,0.0,0.0);
+    w = texture(kernel, vec2(0.000000+(x/1.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c0 * w;
+    w = texture(kernel, vec2(1.000000-(x/1.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r + c1 * w;
+    return r;
+}
+vec4 filter2D_radius1(sampler2D _texture, sampler2D kernel, float index, vec2 uv, vec2 pixel) {
+    vec2 texel = uv/pixel - vec2(0.5,0.5) ;
+    vec2 f = fract(texel);
+    texel = (texel-fract(texel)+vec2(0.001,0.001))*pixel;
+    vec4 t0 = filter1D_radius1(kernel, index, f.x,
+        texture(_texture, texel + vec2(0,0)*pixel),
+        texture(_texture, texel + vec2(1,0)*pixel));
+    vec4 t1 = filter1D_radius1(kernel, index, f.x,
+        texture(_texture, texel + vec2(0,1)*pixel),
+        texture(_texture, texel + vec2(1,1)*pixel));
+    return filter1D_radius1(kernel, index, f.y, t0, t1);
+}
+
+vec4 filter1D_radius2(sampler2D kernel, float index, float x, vec4 c0, vec4 c1, vec4 c2, vec4 c3) {
+    float w;
+    float w_sum = 0.0;
+    vec4 r = vec4(0.0,0.0,0.0,0.0);
+    w = texture(kernel, vec2(0.500000+(x/2.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c0 * w;
+    w = texture(kernel, vec2(0.500000-(x/2.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c2 * w;
+    w = texture(kernel, vec2(0.000000+(x/2.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c1 * w;
+    w = texture(kernel, vec2(1.000000-(x/2.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c3 * w;
+    return r;
+}
+vec4 filter2D_radius2(sampler2D _texture, sampler2D kernel, float index, vec2 uv, vec2 pixel) {
+    vec2 texel = uv/pixel - vec2(0.5,0.5) ;
+    vec2 f = fract(texel);
+    texel = (texel-fract(texel)+vec2(0.001,0.001))*pixel;
+    vec4 t0 = filter1D_radius2(kernel, index, f.x,
+        texture(_texture, texel + vec2(-1,-1)*pixel),
+        texture(_texture, texel + vec2(0,-1)*pixel),
+        texture(_texture, texel + vec2(1,-1)*pixel),
+        texture(_texture, texel + vec2(2,-1)*pixel));
+    vec4 t1 = filter1D_radius2(kernel, index, f.x,
+        texture(_texture, texel + vec2(-1,0)*pixel),
+        texture(_texture, texel + vec2(0,0)*pixel),
+        texture(_texture, texel + vec2(1,0)*pixel),
+        texture(_texture, texel + vec2(2,0)*pixel));
+    vec4 t2 = filter1D_radius2(kernel, index, f.x,
+        texture(_texture, texel + vec2(-1,1)*pixel),
+        texture(_texture, texel + vec2(0,1)*pixel),
+        texture(_texture, texel + vec2(1,1)*pixel),
+        texture(_texture, texel + vec2(2,1)*pixel));
+    vec4 t3 = filter1D_radius2(kernel, index, f.x,
+        texture(_texture, texel + vec2(-1,2)*pixel),
+        texture(_texture, texel + vec2(0,2)*pixel),
+        texture(_texture, texel + vec2(1,2)*pixel),
+        texture(_texture, texel + vec2(2,2)*pixel));
+    return filter1D_radius2(kernel, index, f.y, t0, t1, t2, t3);
+}
+
+vec4 filter1D_radius3(sampler2D kernel, float index, float x, vec4 c0, vec4 c1, vec4 c2, vec4 c3, vec4 c4, vec4 c5) {
+    float w;
+    float w_sum = 0.0;
+    vec4 r = vec4(0.0,0.0,0.0,0.0);
+    w = texture(kernel, vec2(0.666667+(x/3.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c0 * w;
+    w = texture(kernel, vec2(0.333333-(x/3.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c3 * w;
+    w = texture(kernel, vec2(0.333333+(x/3.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c1 * w;
+    w = texture(kernel, vec2(0.666667-(x/3.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c4 * w;
+    w = texture(kernel, vec2(0.000000+(x/3.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c2 * w;
+    w = texture(kernel, vec2(1.000000-(x/3.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c5 * w;
+    return r;
+}
+vec4 filter2D_radius3(sampler2D _texture, sampler2D kernel, float index, vec2 uv, vec2 pixel) {
+    vec2 texel = uv/pixel - vec2(0.5,0.5) ;
+    vec2 f = fract(texel);
+    texel = (texel-fract(texel)+vec2(0.001,0.001))*pixel;
+    vec4 t0 = filter1D_radius3(kernel, index, f.x,
+        texture(_texture, texel + vec2(-2,-2)*pixel),
+        texture(_texture, texel + vec2(-1,-2)*pixel),
+        texture(_texture, texel + vec2(0,-2)*pixel),
+        texture(_texture, texel + vec2(1,-2)*pixel),
+        texture(_texture, texel + vec2(2,-2)*pixel),
+        texture(_texture, texel + vec2(3,-2)*pixel));
+    vec4 t1 = filter1D_radius3(kernel, index, f.x,
+        texture(_texture, texel + vec2(-2,-1)*pixel),
+        texture(_texture, texel + vec2(-1,-1)*pixel),
+        texture(_texture, texel + vec2(0,-1)*pixel),
+        texture(_texture, texel + vec2(1,-1)*pixel),
+        texture(_texture, texel + vec2(2,-1)*pixel),
+        texture(_texture, texel + vec2(3,-1)*pixel));
+    vec4 t2 = filter1D_radius3(kernel, index, f.x,
+        texture(_texture, texel + vec2(-2,0)*pixel),
+        texture(_texture, texel + vec2(-1,0)*pixel),
+        texture(_texture, texel + vec2(0,0)*pixel),
+        texture(_texture, texel + vec2(1,0)*pixel),
+        texture(_texture, texel + vec2(2,0)*pixel),
+        texture(_texture, texel + vec2(3,0)*pixel));
+    vec4 t3 = filter1D_radius3(kernel, index, f.x,
+        texture(_texture, texel + vec2(-2,1)*pixel),
+        texture(_texture, texel + vec2(-1,1)*pixel),
+        texture(_texture, texel + vec2(0,1)*pixel),
+        texture(_texture, texel + vec2(1,1)*pixel),
+        texture(_texture, texel + vec2(2,1)*pixel),
+        texture(_texture, texel + vec2(3,1)*pixel));
+    vec4 t4 = filter1D_radius3(kernel, index, f.x,
+        texture(_texture, texel + vec2(-2,2)*pixel),
+        texture(_texture, texel + vec2(-1,2)*pixel),
+        texture(_texture, texel + vec2(0,2)*pixel),
+        texture(_texture, texel + vec2(1,2)*pixel),
+        texture(_texture, texel + vec2(2,2)*pixel),
+        texture(_texture, texel + vec2(3,2)*pixel));
+    vec4 t5 = filter1D_radius3(kernel, index, f.x,
+        texture(_texture, texel + vec2(-2,3)*pixel),
+        texture(_texture, texel + vec2(-1,3)*pixel),
+        texture(_texture, texel + vec2(0,3)*pixel),
+        texture(_texture, texel + vec2(1,3)*pixel),
+        texture(_texture, texel + vec2(2,3)*pixel),
+        texture(_texture, texel + vec2(3,3)*pixel));
+    return filter1D_radius3(kernel, index, f.y, t0, t1, t2, t3, t4, t5);
+}
+
+vec4 filter1D_radius4(sampler2D kernel, float index, float x, vec4 c0, vec4 c1, vec4 c2, vec4 c3, vec4 c4, vec4 c5, vec4 c6, vec4 c7) {
+    float w;
+    float w_sum = 0.0;
+    vec4 r = vec4(0.0,0.0,0.0,0.0);
+    w = texture(kernel, vec2(0.750000+(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c0 * w;
+    w = texture(kernel, vec2(0.250000-(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c4 * w;
+    w = texture(kernel, vec2(0.500000+(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c1 * w;
+    w = texture(kernel, vec2(0.500000-(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c5 * w;
+    w = texture(kernel, vec2(0.250000+(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c2 * w;
+    w = texture(kernel, vec2(0.750000-(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c6 * w;
+    w = texture(kernel, vec2(0.000000+(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c3 * w;
+    w = texture(kernel, vec2(1.000000-(x/4.0),index) ).r;
+    w = w*kernel_scale + kernel_bias;
+    r = r+ c7 * w;
+    return r;
+}
+vec4 filter2D_radius4(sampler2D _texture, sampler2D kernel, float index, vec2 uv, vec2 pixel) {
+    vec2 texel = uv/pixel - vec2(0.5,0.5) ;
+    vec2 f = fract(texel);
+    texel = (texel-fract(texel)+vec2(0.001,0.001))*pixel;
+    vec4 t0 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,-3)*pixel),
+        texture(_texture, texel + vec2(-2,-3)*pixel),
+        texture(_texture, texel + vec2(-1,-3)*pixel),
+        texture(_texture, texel + vec2(0,-3)*pixel),
+        texture(_texture, texel + vec2(1,-3)*pixel),
+        texture(_texture, texel + vec2(2,-3)*pixel),
+        texture(_texture, texel + vec2(3,-3)*pixel),
+        texture(_texture, texel + vec2(4,-3)*pixel));
+    vec4 t1 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,-2)*pixel),
+        texture(_texture, texel + vec2(-2,-2)*pixel),
+        texture(_texture, texel + vec2(-1,-2)*pixel),
+        texture(_texture, texel + vec2(0,-2)*pixel),
+        texture(_texture, texel + vec2(1,-2)*pixel),
+        texture(_texture, texel + vec2(2,-2)*pixel),
+        texture(_texture, texel + vec2(3,-2)*pixel),
+        texture(_texture, texel + vec2(4,-2)*pixel));
+    vec4 t2 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,-1)*pixel),
+        texture(_texture, texel + vec2(-2,-1)*pixel),
+        texture(_texture, texel + vec2(-1,-1)*pixel),
+        texture(_texture, texel + vec2(0,-1)*pixel),
+        texture(_texture, texel + vec2(1,-1)*pixel),
+        texture(_texture, texel + vec2(2,-1)*pixel),
+        texture(_texture, texel + vec2(3,-1)*pixel),
+        texture(_texture, texel + vec2(4,-1)*pixel));
+    vec4 t3 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,0)*pixel),
+        texture(_texture, texel + vec2(-2,0)*pixel),
+        texture(_texture, texel + vec2(-1,0)*pixel),
+        texture(_texture, texel + vec2(0,0)*pixel),
+        texture(_texture, texel + vec2(1,0)*pixel),
+        texture(_texture, texel + vec2(2,0)*pixel),
+        texture(_texture, texel + vec2(3,0)*pixel),
+        texture(_texture, texel + vec2(4,0)*pixel));
+    vec4 t4 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,1)*pixel),
+        texture(_texture, texel + vec2(-2,1)*pixel),
+        texture(_texture, texel + vec2(-1,1)*pixel),
+        texture(_texture, texel + vec2(0,1)*pixel),
+        texture(_texture, texel + vec2(1,1)*pixel),
+        texture(_texture, texel + vec2(2,1)*pixel),
+        texture(_texture, texel + vec2(3,1)*pixel),
+        texture(_texture, texel + vec2(4,1)*pixel));
+    vec4 t5 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,2)*pixel),
+        texture(_texture, texel + vec2(-2,2)*pixel),
+        texture(_texture, texel + vec2(-1,2)*pixel),
+        texture(_texture, texel + vec2(0,2)*pixel),
+        texture(_texture, texel + vec2(1,2)*pixel),
+        texture(_texture, texel + vec2(2,2)*pixel),
+        texture(_texture, texel + vec2(3,2)*pixel),
+        texture(_texture, texel + vec2(4,2)*pixel));
+    vec4 t6 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,3)*pixel),
+        texture(_texture, texel + vec2(-2,3)*pixel),
+        texture(_texture, texel + vec2(-1,3)*pixel),
+        texture(_texture, texel + vec2(0,3)*pixel),
+        texture(_texture, texel + vec2(1,3)*pixel),
+        texture(_texture, texel + vec2(2,3)*pixel),
+        texture(_texture, texel + vec2(3,3)*pixel),
+        texture(_texture, texel + vec2(4,3)*pixel));
+    vec4 t7 = filter1D_radius4(kernel, index, f.x,
+        texture(_texture, texel + vec2(-3,4)*pixel),
+        texture(_texture, texel + vec2(-2,4)*pixel),
+        texture(_texture, texel + vec2(-1,4)*pixel),
+        texture(_texture, texel + vec2(0,4)*pixel),
+        texture(_texture, texel + vec2(1,4)*pixel),
+        texture(_texture, texel + vec2(2,4)*pixel),
+        texture(_texture, texel + vec2(3,4)*pixel),
+        texture(_texture, texel + vec2(4,4)*pixel));
+    return filter1D_radius4(kernel, index, f.y, t0, t1, t2, t3, t4, t5, t6, t7);
+}
+
+vec4 Nearest(sampler2D _texture, vec2 shape, vec2 uv) { return texture(_texture,uv); }
+
+vec4 Bilinear(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius1(_texture, u_kernel, 0.031250, uv, 1.0/shape); }
+
+vec4 Hanning(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius1(_texture, u_kernel, 0.093750, uv, 1.0/shape); }
+
+vec4 Hamming(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius1(_texture, u_kernel, 0.156250, uv, 1.0/shape); }
+
+vec4 Hermite(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius1(_texture, u_kernel, 0.218750, uv, 1.0/shape); }
+
+vec4 Kaiser(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius1(_texture, u_kernel, 0.281250, uv, 1.0/shape); }
+
+vec4 Quadric(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius2(_texture, u_kernel, 0.343750, uv, 1.0/shape); }
+
+vec4 Bicubic(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius2(_texture, u_kernel, 0.406250, uv, 1.0/shape); }
+
+vec4 CatRom(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius2(_texture, u_kernel, 0.468750, uv, 1.0/shape); }
+
+vec4 Mitchell(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius2(_texture, u_kernel, 0.531250, uv, 1.0/shape); }
+
+vec4 Spline16(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius2(_texture, u_kernel, 0.593750, uv, 1.0/shape); }
+
+vec4 Spline36(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius3(_texture, u_kernel, 0.656250, uv, 1.0/shape); }
+
+vec4 Gaussian(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius2(_texture, u_kernel, 0.718750, uv, 1.0/shape); }
+
+vec4 Bessel(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius4(_texture, u_kernel, 0.781250, uv, 1.0/shape); }
+
+vec4 Sinc(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius4(_texture, u_kernel, 0.843750, uv, 1.0/shape); }
+
+vec4 Lanczos(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius4(_texture, u_kernel, 0.906250, uv, 1.0/shape); }
+
+vec4 Blackman(sampler2D _texture, vec2 shape, vec2 uv) { return filter2D_radius4(_texture, u_kernel, 0.968750, uv, 1.0/shape); }

shaders/ppi.geom

@@ -3,6 +3,10 @@
 layout(points) in;
 layout(triangle_strip, max_vertices = 4) out;
 
+uniform mat4 projection;
+uniform mat4 view;
+uniform mat4 model;
+
 // conf: Range, Elevation,  Resolution, 0.0
 uniform vec4 conf;
 in float in_value[];

shaders/ppi.vert

@@ -1,8 +1,10 @@
 // Layout
+
+
 layout(location = 0) in vec3 position;
 out float in_value;
 
 void main() {
-    gl_Position = vec4(position.x, position.y, 0.0, 1.0);
+    gl_Position = vec4(position.x, position.y, 0.5, 1.0);
     in_value = position.z;
 }

src/_pg.rs

@@ -0,0 +1,745 @@
+use crate::components::Program;
+use crate::font_manager::FontManager;
+use crate::graphics::colormap::linear::LinearColormap;
+use crate::graphics::font::Text;
+use crate::graphics::ppi::PPIConfig;
+use crate::graphics::threed::ThreeD;
+use crate::graphics::transforms::viewport::Viewport;
+use crate::graphics::{ppi::PPI, Graphics};
+use crate::graphics::{AttaWithProgram, AttachWithMouse, Config, MouseState};
+use crate::utils::resources::{
+    RcGlFramebuffer, RcGlRcResource, RcGlResource, RcGlTexture, Resource,
+};
+// use crate::{
+//     errors::*,
+//     ui::{State, GUI},
+// };
+use glow::{HasContext, NativeBuffer, NativeFramebuffer, NativeTexture, NativeVertexArray};
+
+use imgui::{ImString, Ui};
+use log::info;
+use std::marker::PhantomPinned;
+use std::pin::Pin;
+use std::ptr::NonNull;
+use std::{cell::RefCell, collections::HashMap, rc::Rc};
+type RcGraphic<T> = Rc<RefCell<T>>;
+type ProgramId = &'static str;
+
+// pub struct App<'a> {
+//     gui: Option<GUI>,
+//     gl: GL,
+//     viewport: Viewport,
+//     programs: Option<Programs<'a>>,
+// }
+
+// impl<'a> App<'a> {
+//     pub fn new(gl: GL) -> Result<Self> {
+//         let viewport = Viewport::new()?;
+
+//         Ok(Self {
+//             gui: None,
+//             viewport,
+//             programs: None,
+//             gl,
+//         })
+//     }
+
+//     fn render_for_program<P: Graphics>(
+//         gl: &'a glow::Context,
+//         program_with_window: &HashMap<ProgramId, Vec<ImString>>,
+//         _windows: &mut HashMap<ImString, WindowData<'a>>,
+//         p: &mut P,
+//     ) where
+//         P::Config: From<Config>,
+//     {
+//         // let mut p = program.borrow_mut();
+//         if program_with_window.len() == 0 {
+//             return;
+//         }
+
+//         p.mount(&gl).unwrap();
+//         program_with_window.get(&P::id).map(|windows| {
+//             for window in windows.iter() {
+//                 let window_info = &mut *(_windows.get_mut(window).unwrap());
+//                 // Skip the window if it doesn't need to be redrawn
+//                 if !window_info.need_redraw {
+//                     continue;
+//                 }
+//                 // window_info.re_init = false;
+//                 // If the window needs to be reinitialized, set the config
+//                 for conf in window_info.confs.iter() {
+//                     p.set_config(&gl, &(conf.1.clone()).into()).unwrap();
+//                 }
+
+//                 // Attach the modifer to the program
+//                 if let Some(motion) = window_info.modifer.as_ref() {
+//                     motion.attach_with_program(&gl, p.program_ref()).unwrap();
+//                 }
+
+//                 // Attach the data to the program
+//                 unsafe {
+//                     if window_info.gl_fb_resources.is_none() {
+//                         continue;
+//                     }
+
+//                     let framebuffer = window_info.gl_fb_resources.as_ref().unwrap().native();
+
+//                     gl.bind_framebuffer(glow::FRAMEBUFFER, Some(framebuffer));
+//                     let attach = window_info.attach.get(P::id);
+
+//                     if attach.is_some() {
+//                         let vao = attach.unwrap().vao.native();
+//                         gl.bind_vertex_array(Some(vao));
+//                     }
+
+//                     if attach.is_some() {
+//                         let window_size = window_info.size;
+//                         gl.viewport(0, 0, window_size[0] as i32, window_size[1] as i32);
+//                         p.draw(&gl, attach.as_ref().unwrap().len).unwrap();
+//                     }
+
+//                     if attach.is_some() {
+//                         gl.bind_vertex_array(None);
+//                     }
+//                     gl.bind_framebuffer(glow::FRAMEBUFFER, None);
+//                     window_info.need_redraw = false;
+//                 }
+//             }
+//         });
+
+//         // Unmount the program
+//         p.unmount(&gl).unwrap();
+//     }
+
+//     pub fn render(&mut self) {
+//         // Self::render_for_program(
+//         //     &self.gl,
+//         //     &self.windows_manager.program_with_window,
+//         //     &mut self.windows_manager.windows,
+//         //     &mut self.programs.ppi_module,
+//         // );
+
+//         // Self::render_for_program(
+//         //     &self.gl,
+//         //     &self.windows_manager.program_with_window,
+//         //     &mut self.windows_manager.windows,
+//         //     &mut self.programs.text_module,
+//         // );
+//     }
+
+//     // pub fn render_ui(&mut self, ui: &Ui, window: &winit::window::Window, run: &mut bool) {
+//     //     self.gui.render(ui);
+//     //     self.windows_manager.show_window(ui);
+//     //     // self.windows_manager.destroy_window();
+//     // }
+
+//     pub fn programs(&mut self) -> &mut Programs<'a> {
+//         self.programs.as_mut().unwrap()
+//     }
+
+//     pub fn prepare(&mut self) {
+//         self.programs = Some(Programs::new(self.gl.gl(), &self.viewport).unwrap());
+//         self.programs().prepare();
+//         unsafe {
+//             // self.gl.enable(glow::DEPTH_TEST);
+//         }
+//     }
+
+//     pub fn destroy(&mut self) {
+//         self.programs().destroy();
+//     }
+// }
+
+// pub struct WindowsManager<'a> {
+//     gl: &'a glow::Context,
+//     gl_resource_dispatcher: GlResourceDispatcher,
+//     windows: HashMap<ImString, WindowData<'a>>,
+
+//     program_with_window: HashMap<ProgramId, Vec<ImString>>,
+// }
+
+// impl<'a> WindowsManager<'a> {
+//     fn new(gl: &'a glow::Context, gl_resource_dispatcher: GlResourceDispatcher) -> Self {
+//         Self {
+//             gl,
+//             gl_resource_dispatcher,
+//             windows: HashMap::with_capacity(30),
+//             program_with_window: HashMap::with_capacity(30),
+//         }
+//     }
+
+//     fn destroy_window(&mut self) {
+//         for (id, window) in self.windows.iter() {
+//             if !window.open {
+//                 self.program_with_window.iter_mut().for_each(|(_, v)| {
+//                     v.retain(|v| v != id);
+//                 });
+//             }
+//         }
+//         self.windows.retain(|_, v| v.open == true);
+//     }
+
+//     pub fn create_framebuffer(
+//         &mut self,
+//         id: &str,
+//         size: [i32; 2],
+//     ) -> Result<(RcGlFramebuffer<'a>, RcGlTexture<'a>)> {
+//         let id = &ImString::new(id);
+
+//         if self.windows.contains_key(id) {
+//             let info = self.windows.get(id).unwrap();
+//             if info.gl_fb_resources.is_some() && info.gl_tex_resources.is_some() {
+//                 return Ok((
+//                     info.gl_fb_resources.as_ref().unwrap().clone(),
+//                     info.gl_tex_resources.as_ref().unwrap().clone(),
+//                 ));
+//             }
+//         }
+
+//         let gl = self.gl;
+//         let tex = unsafe {
+//             let framebuffer = self
+//                 .gl_resource_dispatcher
+//                 .create_new::<NativeFramebuffer>();
+//             // let framebuffer = gl.create_framebuffer().unwrap();
+//             gl.bind_framebuffer(glow::FRAMEBUFFER, Some(framebuffer.native()));
+
+//             let texture = self.gl_resource_dispatcher.create_new::<NativeTexture>();
+//             gl.bind_texture(glow::TEXTURE_2D, Some(texture.native()));
+//             gl.tex_image_2d(
+//                 glow::TEXTURE_2D,
+//                 0,
+//                 glow::RGB8 as i32,
+//                 size[0],
+//                 size[1],
+//                 0,
+//                 glow::RGB,
+//                 glow::UNSIGNED_BYTE,
+//                 None,
+//             );
+//             gl.tex_parameter_i32(
+//                 glow::TEXTURE_2D,
+//                 glow::TEXTURE_MIN_FILTER,
+//                 glow::LINEAR as i32,
+//             );
+//             gl.tex_parameter_i32(
+//                 glow::TEXTURE_2D,
+//                 glow::TEXTURE_MAG_FILTER,
+//                 glow::LINEAR as i32,
+//             );
+
+//             gl.framebuffer_texture_2d(
+//                 glow::FRAMEBUFFER,
+//                 glow::COLOR_ATTACHMENT0,
+//                 glow::TEXTURE_2D,
+//                 Some(texture.native()),
+//                 0,
+//             );
+
+//             assert_eq!(
+//                 gl.check_framebuffer_status(glow::FRAMEBUFFER),
+//                 glow::FRAMEBUFFER_COMPLETE
+//             );
+
+//             gl.bind_framebuffer(glow::FRAMEBUFFER, None);
+//             gl.bind_texture(glow::TEXTURE_2D, None);
+//             (framebuffer, texture)
+//         };
+
+//         Ok(tex)
+//     }
+//     pub fn create_render_window(
+//         &mut self,
+//         title: &str,
+//         size: [f32; 2],
+//     ) -> Result<&mut WindowData<'a>> {
+//         // Insert the window data into the windows hashmap
+//         let id = ImString::new(title);
+//         let mut data = WindowData::new(&self.gl, id.clone(), size, None);
+//         let (fb, tex) =
+//             self.create_framebuffer(title, [size[0].floor() as i32, size[1].floor() as i32])?;
+//         data.gl_fb_resources = Some(fb);
+//         data.gl_tex_resources = Some(tex);
+//         self.windows.insert(id.clone(), data);
+//         let window = self.windows.get_mut(&id).unwrap();
+//         Ok(window)
+//     }
+
+//     fn show_window(&mut self, ui: &Ui) {
+//         let mut need_resize = vec![];
+
+//         for (id, window) in self.windows.iter_mut() {
+//             let mut window = window;
+//             ui.window(&window.title)
+//                 .size(window.size, imgui::Condition::FirstUseEver)
+//                 .opened(&mut window.open)
+//                 .flags(imgui::WindowFlags::NO_SCROLLBAR)
+//                 .build(|| {
+//                     if ui.is_mouse_clicked(imgui::MouseButton::Left) {
+//                         let io = ui.io();
+//                         let pos = io.mouse_pos;
+
+//                         let window_pos = ui.window_pos();
+//                         window.last_mouse_position =
+//                             [pos[0] - window_pos[0], pos[1] - window_pos[1]];
+//                     }
+
+//                     if ui.is_mouse_dragging(imgui::MouseButton::Left) {
+//                         if ui.is_window_hovered() {
+//                             let delta = ui.mouse_drag_delta();
+//                             window.last_mouse_delta = delta;
+//                             window.accmulate_mouse_delta = [
+//                                 window.accmulate_mouse_delta[0] + delta[0],
+//                                 window.accmulate_mouse_delta[1] + delta[1],
+//                             ];
+//                             window.motion = Some(MouseState::Drag {
+//                                 from: window.last_mouse_position,
+//                                 delta: delta,
+//                             });
+
+//                             println!(
+//                                 "Dragging: {:?} {:?}",
+//                                 window.last_mouse_position, window.accmulate_mouse_delta
+//                             );
+//                             window.modifer.as_mut().map(|v| {
+//                                 v.exec(window.motion.as_ref().unwrap());
+//                             });
+//                             window.need_redraw = true;
+//                         }
+//                     }
+
+//                     if ui.is_mouse_released(imgui::MouseButton::Left) {
+//                         if window.size != ui.window_size() {
+//                             window.size = ui.window_size();
+//                             info!("resized: {:?}", window.size);
+//                             need_resize.push((window.title.clone(), ui.window_size()));
+//                         }
+//                     }
+
+//                     if let Some(texture) = window.gl_tex_resources.as_ref() {
+//                         let cursor = ui.cursor_pos();
+//                         imgui::Image::new(texture.native2imguiid(), ui.window_size()).build(ui);
+//                         ui.set_cursor_pos(cursor);
+//                         if ui.invisible_button(&window.title, ui.window_size()) {
+//                             let io = ui.io();
+//                             let pos = io.mouse_pos;
+//                             let window_pos = ui.window_pos();
+//                             let related_pos = [pos[0] - window_pos[0], pos[1] - window_pos[1]];
+//                         }
+//                     }
+//                 });
+//         }
+
+//         for (id, size) in need_resize.iter() {
+//             self.reset_window_size(id, *size);
+//         }
+//     }
+
+//     fn reset_window_size(&mut self, id: &ImString, size: [f32; 2]) {
+//         let window_info = self.windows.get_mut(id).unwrap();
+//         window_info.need_redraw = true;
+
+//         info!("resize: {:?}", size);
+//         let tex = unsafe {
+//             self.gl.bind_framebuffer(
+//                 glow::FRAMEBUFFER,
+//                 window_info.gl_fb_resources.as_ref().map(|v| v.native()),
+//             );
+//             let texture = self.gl.create_texture().unwrap();
+//             self.gl.bind_texture(glow::TEXTURE_2D, Some(texture));
+//             self.gl.tex_image_2d(
+//                 glow::TEXTURE_2D,
+//                 0,
+//                 glow::RGB8 as i32,
+//                 size[0].floor() as i32,
+//                 size[1].floor() as i32,
+//                 0,
+//                 glow::RGB,
+//                 glow::UNSIGNED_BYTE,
+//                 None,
+//             );
+//             self.gl.tex_parameter_i32(
+//                 glow::TEXTURE_2D,
+//                 glow::TEXTURE_MIN_FILTER,
+//                 glow::LINEAR as i32,
+//             );
+//             self.gl.tex_parameter_i32(
+//                 glow::TEXTURE_2D,
+//                 glow::TEXTURE_MAG_FILTER,
+//                 glow::LINEAR as i32,
+//             );
+
+//             self.gl.framebuffer_texture_2d(
+//                 glow::FRAMEBUFFER,
+//                 glow::COLOR_ATTACHMENT0,
+//                 glow::TEXTURE_2D,
+//                 Some(texture),
+//                 0,
+//             );
+
+//             assert_eq!(
+//                 self.gl.check_framebuffer_status(glow::FRAMEBUFFER),
+//                 glow::FRAMEBUFFER_COMPLETE
+//             );
+
+//             self.gl.bind_framebuffer(glow::FRAMEBUFFER, None);
+//             self.gl.bind_texture(glow::TEXTURE_2D, None);
+
+//             texture
+//         };
+
+//         window_info.gl_tex_resources = Some(RcGlResource::new(self.gl, tex));
+//     }
+
+//     pub fn set_window_program<P: Graphics>(&mut self, window: ImString) {
+//         self.program_with_window
+//             .entry(P::id)
+//             .and_modify(|v| v.push(window.clone()))
+//             .or_insert(vec![window]);
+//     }
+// }
+
+// pub struct Programs<'a> {
+//     gl: &'a glow::Context,
+//     pub text_module: NonNull<Text<'a>>,
+//     pub ppi_module: PPI,
+// }
+
+impl<'a> Programs<'a> {
+    fn new(gl: &'a glow::Context, viewport: &Viewport) -> Result<Self> {
+        let font_manager = FontManager::new()?;
+        let mut cmap = LinearColormap::new()?;
+        cmap.set_colors(vec![
+            [170, 170, 170, 255],
+            [0, 34, 255, 255],
+            [1, 160, 246, 255],
+            [0, 236, 236, 255],
+            [0, 216, 0, 255],
+            [1, 144, 0, 255],
+            [255, 255, 0, 255],
+            [231, 192, 0, 255],
+            [255, 144, 0, 255],
+            [255, 0, 0, 255],
+            [214, 0, 0, 255],
+            [192, 0, 0, 255],
+            [255, 0, 240, 255],
+            [150, 0, 180, 255],
+        ]);
+        cmap.set_range(0.0, 70.0);
+        let cmap = Box::new(cmap);
+
+        let mut ppi = PPI::new()?;
+        ppi.set_viewport(&viewport);
+        ppi.set_colormap(cmap);
+
+        let mut text_module = Text::new(gl, font_manager)?;
+        text_module.set_viewport(&viewport);
+
+        Ok(Self {
+            gl,
+            ppi_module: ppi,
+            text_module,
+        })
+    }
+
+    fn prepare(&mut self) {
+        self.ppi_module.compile(&self.gl).unwrap();
+        self.text_module.compile(&self.gl).unwrap();
+    }
+
+    fn destroy(&mut self) {
+        self.ppi_module.destroy(&self.gl).unwrap();
+        self.text_module.destroy(&self.gl).unwrap();
+    }
+
+    pub fn create_ppi_render(&self, config: Option<PPIConfig>) -> Attach<'a> {
+        self.create_render(&self.ppi_module)
+    }
+
+    pub fn create_text_render(&self) -> Attach<'a> {
+        self.create_render(&self.text_module)
+    }
+
+    fn create_render<P: Graphics>(&self, p: &P) -> Attach<'a> {
+        let (vao, vbo, ebo) = p.init(&self.gl);
+        Attach {
+            vao: RcGlResource::new(&self.gl, vao),
+            vbo: RcGlResource::new(&self.gl, vbo),
+            ebo: ebo.map(|ebo| RcGlResource::new(&self.gl, ebo)),
+            len: 0,
+        }
+    }
+}
+
+// pub struct WindowProgram<'a, 'sl, 'pro, P: Graphics> {
+//     window: &'sl mut WindowData<'a>,
+//     program: &'pro P,
+// }
+
+// impl<'a, 's, 'b, P: Graphics> WindowProgram<'a, 's, 'b, P> {
+//     pub fn bind_data(&mut self, data: &P::Data) -> Result {
+//         use bytemuck::cast_slice;
+//         let data = self.program.bake(data)?;
+//         let attach = self.window.attach.get_mut(P::id).unwrap();
+//         attach.len = data.2;
+
+//         let gl = self.window.gl;
+//         unsafe {
+//             gl.bind_vertex_array(Some(attach.vao.native()));
+//             // gl.bind_buffer(glow::VERTEX_ARRAY, Some(attach.vbo.native()));
+//             gl.buffer_data_u8_slice(
+//                 glow::ARRAY_BUFFER,
+//                 cast_slice(data.0.as_slice()),
+//                 glow::STATIC_DRAW,
+//             );
+//             if let Some(_) = attach.ebo.as_ref() {
+//                 // gl.bind_buffer(glow::ELEMENT_ARRAY_BUFFER, Some(ebo.native()));
+//                 gl.buffer_data_u8_slice(
+//                     glow::ELEMENT_ARRAY_BUFFER,
+//                     cast_slice(&data.1.as_ref().unwrap()),
+//                     glow::STATIC_DRAW,
+//                 );
+
+//                 // gl.bind_buffer(glow::ELEMENT_ARRAY_BUFFER, None);
+//             }
+//             // gl.bind_buffer(glow::VERTEX_ARRAY, None);
+
+//             gl.bind_vertex_array(None);
+//         }
+
+//         Ok(())
+//     }
+
+//     pub fn set_config(&mut self, config: P::Config)
+//     where
+//         Config: From<P::Config>,
+//     {
+//         let config = Config::from(config);
+//         self.window
+//             .confs
+//             .entry(P::id)
+//             .and_modify(|v| *v = config.clone())
+//             .or_insert(config);
+//     }
+// }
+
+// pub struct WindowData<'a> {
+//     gl: &'a glow::Context,
+//     pub title: ImString,
+//     pub open: bool,
+//     pub copy_from: Option<ImString>,
+//     pub size: [f32; 2],
+//     gl_fb_resources: Option<RcGlResource<'a, NativeFramebuffer>>,
+//     gl_tex_resources: Option<RcGlResource<'a, NativeTexture>>,
+//     need_redraw: bool,
+//     attach: HashMap<ProgramId, Attach<'a>>,
+//     confs: HashMap<ProgramId, Config>,
+
+//     re_init: bool,
+//     last_mouse_position: [f32; 2],
+//     last_mouse_delta: [f32; 2],
+//     accmulate_mouse_delta: [f32; 2],
+//     mouse_position: [f32; 2],
+//     motion: Option<MouseState>,
+//     modifer: Option<ModiferType>,
+// }
+
+// impl<'a> WindowData<'a> {
+//     fn new(
+//         gl: &'a glow::Context,
+//         title: ImString,
+//         size: [f32; 2],
+//         modifer: Option<ModiferType>,
+//     ) -> Self {
+//         Self {
+//             gl,
+//             title,
+//             open: true,
+//             copy_from: None,
+//             size,
+//             last_mouse_position: [0.0, 0.0],
+//             last_mouse_delta: [0.0, 0.0],
+//             accmulate_mouse_delta: [0.0, 0.0],
+//             mouse_position: [0.0, 0.0],
+//             motion: None,
+
+//             gl_fb_resources: None,
+//             gl_tex_resources: None,
+//             need_redraw: true,
+//             attach: HashMap::with_capacity(10),
+//             re_init: true,
+//             confs: HashMap::with_capacity(5),
+//             modifer,
+//         }
+//     }
+
+//     fn set<F>(&mut self, f: F)
+//     where
+//         F: FnOnce(&mut Self),
+//     {
+//         f(self);
+//         self.need_redraw = true;
+//         // let v = self.program_with_window.entry(PPI::id).or_insert(vec![]);
+//         // v.push(id.clone());
+//     }
+
+//     pub fn set_attach<P: Graphics>(&mut self, attach: Attach<'a>) {
+//         self.set(move |w| {
+//             w.attach.insert(P::id, attach);
+//         });
+//     }
+
+//     pub fn with_program<'b, 's, P: Graphics>(
+//         &'b mut self,
+//         program: &'s P,
+//     ) -> WindowProgram<'a, 'b, 's, P>
+//     where
+//         's: 'b,
+//         'a: 's,
+//     {
+//         WindowProgram {
+//             program,
+//             window: self,
+//         }
+//     }
+
+//     pub fn set_window_modifer(&mut self, modifier: Option<ModiferType>) {
+//         self.set(|w| w.modifer = modifier);
+//     }
+
+//     pub fn id(&self) -> &ImString {
+//         &self.title
+//     }
+
+//     fn set_current_mouse_delta(&mut self, delta: [f32; 2]) {
+//         self.last_mouse_delta = delta;
+//         self.accmulate_mouse_delta = [
+//             self.accmulate_mouse_delta[0] + delta[0],
+//             self.accmulate_mouse_delta[1] + delta[1],
+//         ];
+//     }
+
+//     fn set_mouse_postion(&mut self, pos: [f32; 2]) {
+//         self.mouse_position = pos;
+//     }
+
+//     fn set_motion(&mut self, motion: MouseState) {
+//         self.motion = Some(motion);
+//     }
+
+//     fn set_need_redraw(&mut self) {
+//         self.need_redraw = true;
+//     }
+
+//     fn set_re_init(&mut self) {
+//         self.re_init = true;
+//     }
+
+//     fn on_mouse_drag(&mut self) {
+//         let state = MouseState::Drag {
+//             from: self.last_mouse_position,
+//             delta: self.last_mouse_delta,
+//         };
+//         self.set_motion(state.clone());
+
+//         self.modifer.as_mut().map(|m| {});
+
+//         self.set_need_redraw();
+//     }
+// }
+
+// macro_rules! modifer_exec {
+//     ($(($t:ty => $b:tt),)+) => {
+//         impl ModiferType {
+//             pub fn exec(&mut self, motion: &MouseState) {
+//                 match self {
+//                     $(
+//                         ModiferType::$b(b) => {
+//                                 b.attach_with_mouse(motion);
+//                         }
+//                     )+
+//                     _ => {}
+//                 }
+//             }
+//         }
+
+//         impl AttaWithProgram for ModiferType {
+//             fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result {
+//                 match self {
+//                     $(
+
+//                         ModiferType::$b(b) => {
+//                                 b.attach_with_program(gl, program)?;
+//                         }
+
+//                     )+
+//                     _ => {
+//                     }
+//             }
+//             Ok(())
+//             }
+
+//         }
+
+//         $(
+//         impl From<$t> for ModiferType {
+//             fn from(t: $t) -> Self {
+//                 ModiferType::$b(t)
+//             }
+//         }
+//         )+
+//     }
+
+// }
+
+// pub enum ModiferType {
+//     ThreeD(ThreeD),
+//     TwoD,
+// }
+
+// modifer_exec!((ThreeD => ThreeD),);
+
+// #[derive(Debug, Clone)]
+// pub struct GlResourceDispatcher {
+//     gl: Rc<glow::Context>,
+// }
+
+// impl GlResourceDispatcher {
+//     pub fn new(gl: Rc<glow::Context>) -> Self {
+//         Self { gl }
+//     }
+
+//     pub fn create_new<'a, T: Resource>(&'a self) -> RcGlResource<'a, T> {
+//         RcGlResource::new(&self.gl, T::create(&self.gl))
+//     }
+
+//     pub fn create_new_rc<T: Resource>(&self) -> RcGlRcResource<T> {
+//         RcGlRcResource::new(self.gl.clone(), T::create(&self.gl))
+//     }
+
+//     pub fn gl(&self) -> &Rc<glow::Context> {
+//         &self.gl
+//     }
+// }
+
+// pub struct Manager {
+//     pub gl_resource_dispatcher: GlResourceDispatcher,
+// }
+
+// pub struct GL {
+//     gl: Rc<glow::Context>,
+// }
+
+// impl GL {
+//     pub fn new(gl: Rc<glow::Context>) -> Self {
+//         Self { gl }
+//     }
+
+//     fn gl(&self) -> &glow::Context {
+//         &self.gl
+//     }
+
+//     fn rc_gl(&self) -> Rc<glow::Context> {
+//         self.gl.clone()
+//     }
+// }

src/camera.rs

@@ -1,25 +1,23 @@
-use std::num::NonZeroU32;
 use cgmath::Euler;
 use glow::NativeProgram;
-use nalgebra_glm::{
-    Vec3, Mat4x4, look_at
-};
+use nalgebra_glm::{look_at, Mat4x4, Vec3};
+use std::num::NonZeroU32;
 
+#[derive(Clone)]
 pub(crate) struct Camera {
     pos: Vec3,
     upward: Vec3,
-    front: Vec3
+    center: Vec3,
 }
 
 pub type CameraPositon = Vec3;
 
 impl Camera {
-    pub(crate) fn new(world_loc: CameraPositon, upward: Vec3, front: Vec3) -> Self {
-
+    pub(crate) fn new(world_loc: CameraPositon, upward: Vec3, center: Vec3) -> Self {
         Self {
             pos: world_loc,
             upward,
-            front
+            center,
         }
     }
 
@@ -31,25 +29,38 @@ impl Camera {
         self.pos = pos;
     }
 
-    pub fn get_front(&self) -> Vec3 {
-        self.front
-    }
-
-    pub fn set_front(&mut self, front: Vec3) {
-        self.front = front;
-    }
-
     pub fn get_upward(&self) -> Vec3 {
         self.upward
     }
 
+    pub fn get_center(&self) -> Vec3 {
+        self.center
+    }
+
     pub fn set_upward(&mut self, upward: Vec3) {
         self.upward = upward;
     }
 
+    pub fn set_center(&mut self, center: Vec3) {
+        self.center = center;
+    }
+
     pub fn get_view_matrix(&self) -> Mat4x4 {
-        let l = self.pos + self.front;
+        let l = self.center;
         look_at(&self.pos, &l, &self.upward)
     }
 
+    pub fn front(&self) -> Vec3 {
+        self.center - self.pos
+    }
+}
+
+impl Default for Camera {
+    fn default() -> Self {
+        Self {
+            pos: Vec3::new(0.0, 0.0, 0.0),
+            upward: Vec3::new(0.0, 1.0, 0.0),
+            center: Vec3::new(0.0, 0.0, -1.0),
+        }
+    }
 }

src/components/program.rs

@@ -3,7 +3,7 @@ use glow::{HasContext, NativeUniformLocation};
 use super::shader::Shader;
 use super::snippets::{CodeType, Snippet};
 use crate::components::CodeComponent;
-use crate::graphics::transforms::{viewport::Viewport, Transform};
+use crate::graphics::transforms::viewport::Viewport;
 
 #[derive(Debug)]
 pub struct Program {
@@ -41,16 +41,23 @@ impl Program {
         &self.fragment
     }
 
+    pub fn geometry(&self) -> Option<&Shader> {
+        self.geometry.as_ref()
+    }
+
+    #[cfg(feature = "inparser")]
     pub fn set_hook(&mut self, hook: &str, code: &Snippet) {
         self.vertex.set_hook(hook, code);
         self.fragment.set_hook(hook, code);
         self.geometry.as_mut().map(|g| g.set_hook(hook, code));
     }
 
+    #[cfg(feature = "inparser")]
     pub fn set_transform<T: Transform>(&mut self, value: &T) {
         self.set_hook("transform", value.snippet());
     }
 
+    #[cfg(feature = "inparser")]
     pub fn set_viewport(&mut self, viewport: &Viewport) {
         self.set_hook("viewport", viewport.snippet());
     }
@@ -58,8 +65,11 @@ impl Program {
     pub fn compile(&mut self, gl: &glow::Context) -> crate::errors::Result<()> {
         use crate::errors::Error;
 
+        #[cfg(feature = "inparser")]
+        {
             self.vertex.define("_GLUMPY__VERTEX_SHADER__");
             self.fragment.define("_GLUMPY__FRAGMENT_SHADER__");
+        }
 
         unsafe {
             let program = gl.create_program().map_err(|e| Error::InvalidProgram(e))?;
@@ -72,6 +82,7 @@ impl Program {
 
             // Geom Shader
             let geom_shader = if let Some(geometry) = self.geometry.as_mut() {
+                #[cfg(feature = "inparser")]
                 geometry.define("_GLUMPY__GEOMETRY_SHADER__");
                 let geometry_shader = geometry.compile(&self.version, gl);
 
@@ -134,13 +145,13 @@ mod test {
     fn test_program() {
         let vertex = Shader::new(
             glow::VERTEX_SHADER,
-            CodeType::<&'static str>::Path("agg-fast-path.vert".into()),
+            CodeType::from_path("agg-fast-path.vert"),
         )
         .unwrap();
 
         let fragment = Shader::new(
             glow::FRAGMENT_SHADER,
-            CodeType::<&'static str>::Path("agg-fast-path.frag".into()),
+            CodeType::from_path("agg-fast-path.frag"),
         )
         .unwrap();
 

src/components/shader.rs

@@ -15,7 +15,10 @@ pub type ShaderType = u32;
 #[derive(Debug)]
 pub struct Shader {
     target: u32,
+    #[cfg(feature = "inparser")]
     parsed: CodeBlock,
+    parsed: String,
+    #[cfg(feature = "inparser")]
     pub hooks: Vec<String>,
 }
 
@@ -26,25 +29,34 @@ impl std::fmt::Display for Shader {
 }
 
 impl Shader {
-    pub fn new<S: Borrow<str>>(target: ShaderType, code: CodeType<S>) -> Result<Self> {
+    pub fn new(target: ShaderType, code: CodeType) -> Result<Self> {
         let code = match code {
-            CodeType::Code(code) => code.borrow().to_string(),
+            CodeType::Code(code) => code,
             CodeType::Path(path) => {
-                let code = find_file(path).expect("Failed to find file");
+                let code = find_file(&path).expect(&format!(
+                    "Failed to find file {}",
+                    &path.as_os_str().to_str().unwrap()
+                ));
                 code
             }
         };
 
+        #[cfg(feature = "inparser")]
+        {
             let code = merge_includes(code).map_err(|e| Error::InvalidSnippet(e.to_string()))?;
             let parsed = CodeBlock::new(&code)?;
-
             let hooks = parsed.all_hooks().iter().map(|h| h.name.clone()).collect();
             info!("Shader:{} Hooks: {:?}", target, hooks);
-
-        Ok(Self {
+            return Ok(Self {
                 target,
                 parsed,
                 hooks,
+            });
+        }
+
+        Ok(Self {
+            target,
+            parsed: code,
         })
     }
 
@@ -68,11 +80,13 @@ impl Shader {
         shader
     }
 
+    #[cfg(feature = "inparser")]
     pub fn define(&mut self, s: &str) {
         self.parsed
             .insert(Code::new(&format!("#define {}\n", s)), 0);
     }
 
+    #[cfg(feature = "inparser")]
     pub fn set_hook(&mut self, hook: &str, code: &Snippet) {
         self.parsed.set_hook(hook, code);
     }
@@ -217,7 +231,8 @@ mod utils {
         body.push_str("}\n\n");
         let input = header + &body;
 
-        let result = Snippet::new("fetch_uniform", CodeType::Code(input), false, None).unwrap();
+        let result =
+            Snippet::new("fetch_uniform", CodeType::from_code(input), false, None).unwrap();
 
         result
     }
@@ -231,7 +246,7 @@ mod test {
     fn test_shader() {
         let shader = Shader::new(
             glow::VERTEX_SHADER,
-            CodeType::<&'static str>::Path("agg-fast-path.vert".into()),
+            CodeType::from_path("agg-fast-path.vert"),
         )
         .unwrap();
 

src/components/snippets/mod.rs

@@ -3,6 +3,7 @@ use std::{
     cell::{Ref, RefCell},
     collections::{HashMap, HashSet},
     ops::Add,
+    path::{Path, PathBuf},
     rc::Rc,
     sync::atomic::{AtomicUsize, Ordering},
 };
@@ -10,6 +11,7 @@ pub use util::Variable;
 
 use crate::{
     errors::{Error, Result},
+    shaders::{CodePiece, EmptyPiece},
     utils::{find_file, Code, CodeBlock, Function, Hook, ShareVariable, SnippetCode},
 };
 mod util;
@@ -26,9 +28,33 @@ pub enum InputType {
     Other(Variable),
 }
 
-pub enum CodeType<S: std::borrow::Borrow<str>> {
-    Code(S),
-    Path(std::path::PathBuf),
+// pub enum CodeType<
+//     CP: CodePiece = EmptyPiece,
+//     S: std::borrow::Borrow<str> = &'static str,
+//     P: AsRef<Path> = &'static str,
+// > {
+//     Code(S),
+//     Path(P),
+//     CodePiece(CP),
+// }
+
+pub enum CodeType {
+    Code(String),
+    Path(PathBuf),
+}
+
+impl CodeType {
+    pub fn from_path<P: AsRef<Path>>(path: P) -> Self {
+        Self::Path(path.as_ref().to_path_buf())
+    }
+
+    pub fn from_code<S: std::borrow::Borrow<str>>(code: S) -> Self {
+        Self::Code(code.borrow().to_string())
+    }
+
+    pub fn from_piece<CP: CodePiece>(piece: CP) -> Self {
+        Self::Code(piece.to_string())
+    }
 }
 
 #[derive(Debug, Clone)]
@@ -43,14 +69,14 @@ pub struct Snippet {
 }
 
 impl Snippet {
-    pub fn new<S: std::borrow::Borrow<str>>(
+    pub fn new(
         name: &'static str,
-        code: CodeType<S>,
+        code: CodeType,
         mangling: bool,
         main: Option<String>,
     ) -> Result<Self> {
         let code = match code {
-            CodeType::Code(code) => code.borrow().to_string(),
+            CodeType::Code(code) => code,
             CodeType::Path(path) => {
                 let code = find_file(path).expect("Failed to find file");
                 code
@@ -120,7 +146,11 @@ impl Snippet {
     pub fn call(&self, paras: &Vec<String>) -> Option<String> {
         (self.main.as_ref()).map(|name| {
             if let Some(link) = &self.link {
-                let call_name = self.alias.as_ref().map(|a| a.get(name).unwrap()).unwrap_or(name);
+                let call_name = self
+                    .alias
+                    .as_ref()
+                    .map(|a| a.get(name).unwrap())
+                    .unwrap_or(name);
                 let c = link.call(paras);
                 if let Some(c) = c {
                     return format!("{}({})", call_name, c);
@@ -128,7 +158,11 @@ impl Snippet {
                     return format!("{}()", call_name);
                 }
             } else {
-                let call_name = self.alias.as_ref().map(|a| a.get(name).unwrap()).unwrap_or(name);
+                let call_name = self
+                    .alias
+                    .as_ref()
+                    .map(|a| a.get(name).unwrap())
+                    .unwrap_or(name);
                 // let call_name = self.alias.get(name).unwrap();
                 format!("{}({})", call_name, paras.join(", "))
             }
@@ -164,7 +198,7 @@ impl Add for Snippet {
         let code = rhs.parsed.to_string();
 
         raw_code.push_str(&code);
-        Snippet::new(self.name, CodeType::Code(raw_code),false, None).unwrap()
+        Snippet::new(self.name, CodeType::from_code(raw_code), false, None).unwrap()
     }
 }
 
@@ -192,9 +226,9 @@ mod tests {
             }
         "#;
 
-        let snippet = Snippet::new("polar", CodeType::Code(code), true, None).unwrap();
+        let snippet = Snippet::new("polar", CodeType::from_code(code), true, None).unwrap();
 
-        let snippet2 = Snippet::new("polar2", CodeType::Code(code),true, None).unwrap();
+        let snippet2 = Snippet::new("polar2", CodeType::from_code(code), true, None).unwrap();
 
         let snippet3 = snippet.clone() + snippet2.clone();
 

src/data_loader/mod.rs

@@ -170,7 +170,7 @@ impl Data {
                 };
 
                 use DataType::*;
-                let valuetype = info.value_type.as_str();
+                let valuetype = info.value_name.as_str();
 
                 let data_type = block_data_type_prepare!(valuetype,
                     "ET" => ET,

src/errors.rs

@@ -1,6 +1,6 @@
 use thiserror::Error;
 
-pub type Result<T> = std::result::Result<T, Error>;
+pub type Result<T = ()> = std::result::Result<T, Error>;
 
 #[derive(Error, Debug)]
 pub enum Error {
@@ -21,4 +21,13 @@ pub enum Error {
 
     #[error("Invalid CoordType")]
     InvalidDataType,
+
+    #[error("Init Error, cause of {0}")]
+    InitError(anyhow::Error),
+
+    #[error("Invalid Font {0}")]
+    FontError(String),
+
+    #[error("Invalid Setting {0}")]
+    SettingError(String),
 }

src/final_pg.rs

@@ -1,68 +0,0 @@
-use glow::HasContext;
-
-use crate::{
-    components::{CodeType, Program, Shader},
-    graphics::transforms::{
-        polar::Polar, position::Position, trackball::Trackball, viewport::Viewport, Transform,
-    },
-};
-
-// pub struct PPI {
-//     transform: Trackball,
-//     program: Program,
-// }
-
-// impl PPI {
-//     pub fn new(version: &'static str) -> Self {
-//         let trackball = Trackball::new().unwrap();
-//         let projection = Polar::new().unwrap();
-//         let position = Position::new().unwrap();
-
-//         // let transform = trackball.chain(projection.chain(position));
-
-//         let vertex = Shader::new(
-//             glow::VERTEX_SHADER,
-//             CodeType::<&'static str>::Path("agg-fast-path.vert".into()),
-//         )
-//         .unwrap();
-
-//         let fragment = Shader::new(
-//             glow::FRAGMENT_SHADER,
-//             CodeType::<&'static str>::Path("agg-fast-path.frag".into()),
-//         )
-//         .unwrap();
-
-//         let mut program = Program::new(vertex, fragment, None, version);
-
-//         let viewport = Viewport::new().unwrap();
-
-//         // program.set_transform(&transform);
-
-//         program.set_viewport(&viewport);
-
-//         Self { transform, program }
-//     }
-
-//     pub fn compile(&mut self, gl: &glow::Context) {
-//         self.program.compile(gl);
-//     }
-
-//     pub fn program(&self) -> &Program {
-//         &self.program
-//     }
-
-//     pub fn native_program(&self) -> Option<<glow::Context as HasContext>::Program> {
-//         self.program.native_program
-//     }
-// }
-
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_ppi() {
-        // let ppi = PPI::new("450");
-
-        // println!("{}", ppi.program.vertex());
-    }
-}

src/font_manager/mod.rs

@@ -0,0 +1,235 @@
+use crate::{errors::*, Asset};
+use dirs::font_dir;
+use freetype::face::LoadFlag;
+use freetype::{Face, GlyphMetrics, Library};
+
+use image::GrayImage;
+use image::ImageBuffer;
+use log::*;
+use std::collections::HashMap;
+use std::io::Write;
+use std::path::PathBuf;
+use std::{env, fs};
+pub struct FontManager {
+    library: Library,
+    fonts: HashMap<String, Font>,
+}
+use tempfile::NamedTempFile;
+
+impl FontManager {
+    pub fn new() -> Result<Self> {
+        // let source = fk::source::SystemSource::new();
+
+        let library = Library::init().map_err(|e| Error::InitError(e.into()))?;
+
+        let root_path = font_dir().unwrap_or_else(|| {
+            let default_font = Asset::get("Roboto-Regular.ttf").unwrap();
+            let exe_path = env::current_exe().unwrap();
+            let mut folder_path = exe_path.parent().unwrap().to_path_buf();
+            folder_path.push("resources");
+
+            if folder_path.exists() {
+                info!("Resources Folder exists");
+            } else {
+                fs::create_dir_all(&folder_path).unwrap();
+            }
+
+            folder_path
+        });
+
+        // let root_path = font_dir().map_or_else(
+        //     || {
+        //         error!("Font dir not found");
+        //         Err(Error::InitError(anyhow::anyhow!("Font dir not found")))
+        //     },
+        //     |font_dir| {
+        //         info!("Font dir: {:?}", font_dir);
+        //         Ok(font_dir)
+        //     },
+        // )?;
+
+        Ok(Self {
+            library,
+            fonts: HashMap::new(),
+        })
+    }
+
+    pub fn get_font_or_insert(&mut self, path: &str) -> Option<&Font> {
+        if self.fonts.contains_key(path) {
+            return self.fonts.get(path);
+        }
+
+        let font = self.library.new_face(path, 0).ok()?;
+        let font = Font::new(font).ok()?;
+        self.fonts.insert(path.to_string(), font);
+
+        self.fonts.get(path)
+    }
+}
+
+pub struct Font {
+    font: Face,
+}
+
+pub struct CharImg {
+    img: Vec<u8>,
+    width: usize,
+    height: usize,
+}
+
+impl CharImg {
+    pub fn to_image(&self) -> GrayImage {
+        ImageBuffer::from_raw(self.width as u32, self.height as u32, self.img.clone())
+            .map(|img| img.into())
+            .unwrap()
+    }
+
+    pub fn pixels(&self) -> &[u8] {
+        &self.img
+    }
+
+    pub fn width(&self) -> usize {
+        self.width
+    }
+
+    pub fn height(&self) -> usize {
+        self.height
+    }
+}
+
+impl Font {
+    fn new(font: Face) -> Result<Self> {
+        Ok(Self { font })
+    }
+
+    pub fn get_char(&self, c: char, size: isize) -> Result<CharImg> {
+        self.font.set_char_size(0, size * 64, 0, 96).unwrap();
+
+        if let Err(_) = self.font.load_char(c as usize, LoadFlag::RENDER) {
+            self.font.load_char(0, LoadFlag::RENDER).unwrap();
+        }
+        let glyph = self.font.glyph();
+        let bitmap = glyph.bitmap();
+        if bitmap.width() == 0 || bitmap.rows() == 0 {
+            return Err(Error::FontError("bitmap is empty".to_string()));
+        }
+
+        Ok(CharImg {
+            img: bitmap.buffer().to_vec(),
+            width: bitmap.width() as usize,
+            height: bitmap.rows() as usize,
+        })
+    }
+
+    pub fn set_char_size(&self, size: isize) {
+        self.font.set_char_size(0, size * 64, 0, 96).unwrap();
+    }
+
+    pub fn set_char(&self, c: char) {
+        self.font.load_char(c as usize, LoadFlag::RENDER).unwrap();
+    }
+
+    pub fn glyph(&self) -> &freetype::GlyphSlot {
+        self.font.glyph()
+    }
+
+    pub fn get_advance(&self) -> (f32, f32) {
+        let advance = self.font.glyph().advance();
+        (advance.x as f32 / 64.0, advance.y as f32 / 64.0)
+    }
+
+    pub fn get_kerning(&self, prev: char, c: char) -> (f32, f32) {
+        let prev = self.font.get_char_index(prev as usize).unwrap();
+        let curr = self.font.get_char_index(c as usize).unwrap();
+        let kerning = self
+            .font
+            .get_kerning(prev, curr, freetype::face::KerningMode::KerningDefault)
+            .unwrap();
+        (kerning.x as f32 / 64.0, kerning.y as f32 / 64.0)
+    }
+
+    pub fn get_line_height(&self) -> i16 {
+        self.font.height()
+    }
+
+    pub fn get_metrics(&self, c: char) -> GlyphMetrics {
+        self.font.glyph().metrics()
+    }
+}
+
+#[derive(Debug, Clone)]
+pub enum FontSize {
+    Absolute(f32),
+    WindowScale(f32),
+    DistanceScale(f32),
+}
+
+#[derive(Debug, Clone)]
+pub struct FontStyle {
+    pub postscript_name: String,
+    pub size: FontSize,
+    pub color: [f32; 4],
+    pub style: f32,
+}
+
+impl Default for FontStyle {
+    fn default() -> Self {
+        Self {
+            postscript_name: "resources/Roboto-Regular.ttf".to_string(),
+            size: FontSize::Absolute(12.0),
+            color: [1.0, 1.0, 1.0, 1.0],
+            style: 0.0,
+        }
+    }
+}
+
+#[derive(Debug, Default)]
+pub struct FontStyleBuilder {
+    style: FontStyle,
+}
+
+impl FontStyleBuilder {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn build(self) -> FontStyle {
+        self.style
+    }
+
+    pub fn postscript_name(mut self, name: &str) -> Self {
+        self.style.postscript_name = name.to_string();
+        self
+    }
+
+    pub fn size(mut self, size: FontSize) -> Self {
+        self.style.size = size;
+        self
+    }
+
+    pub fn color(mut self, color: [f32; 4]) -> Self {
+        self.style.color = color;
+        self
+    }
+}
+
+impl FontStyle {
+    pub fn buider() -> FontStyleBuilder {
+        FontStyleBuilder::default()
+    }
+}
+
+mod test {
+    use super::{FontManager, FontStyle};
+
+    #[test]
+    fn test() {
+        let mut fon = FontManager::new().unwrap();
+        let font =
+            fon.get_font_or_insert("/Users/tsuki/projects/radar-gi/resources/Dokdo-Regular.ttf");
+
+        if let Some(font) = font {
+            font.get_char('g', 64).unwrap();
+        }
+    }
+}

src/graphics/collections/agg_fast_path.rs

@@ -6,74 +6,44 @@ use glow::{HasContext, NativeBuffer, NativeVertexArray};
 use crate::components::{fetchcode, CodeComponent, CodeType, Program, Shader, Snippet};
 use crate::errors::*;
 use crate::graphics::transforms::viewport::Viewport;
-use crate::graphics::transforms::Transform;
 use crate::graphics::ty::Ty;
-use crate::graphics::Graphics;
+use crate::graphics::{AttaWithBuffer, Config, Graphics};
+use crate::shaders::agg_path::{AggPathFragment, AggPathVertex};
 
 use super::Colletion;
 
 pub struct AggFastPath {
     program: Program,
-    buffer: Vec<Point>,
+}
 
-    vao: Option<NativeVertexArray>,
-    vbo: Option<NativeBuffer>,
+pub struct AggFastPathConfig {
+    pub color: [f32; 4],
+    pub linewidth: f32,
+    pub antialias: f32,
 }
 
 impl AggFastPath {
     pub fn new() -> Result<Self> {
         let vertex = Shader::new(
             glow::VERTEX_SHADER,
-            CodeType::<String>::Path("agg-fast-path.vert".into()),
+            CodeType::from_piece(AggPathVertex::new()),
         )?;
 
         let fragment = Shader::new(
             glow::FRAGMENT_SHADER,
-            CodeType::<String>::Path("agg-fast-path.frag".into()),
+            CodeType::from_piece(AggPathFragment::new()),
         )?;
 
-        let input_snippet = Snippet::new(
-            "input",
-            CodeType::Code(
-                "
-            layout(location = 0) in vec3 prev;
-            layout(location = 1) in vec3 curr;
-            layout(location = 2) in vec3 next;
-            layout(location = 3) in float id;
-
-            uniform float linewidth;
-
-            uniform float antialias;
-
-            uniform vec4 color;
-
-        ",
-            ),
-            false,
-            None,
-        )?;
-
-        let vertex = vertex.add_snippet_before(input_snippet);
-
         let program = Program::new(vertex, fragment, None, "330 core");
 
-        // program.set_transform(transform);
-        // program.set_viewport(viewport);
-
-        Ok(Self {
-            program,
-            buffer: Vec::with_capacity(128),
-            vao: None,
-            vbo: None,
-        })
+        Ok(Self { program })
     }
 
-    pub fn set_transform<T: Transform>(&mut self, transform: &T) {
-        self.program.set_transform(transform);
+    pub fn set_viewport(&mut self, gl: &glow::Context, viewport: [f32; 2]) {
+        let loc = self.program.get_uniform_location(gl, "viewport");
+        unsafe {
+            gl.uniform_2_f32(loc.as_ref(), viewport[0], viewport[1]);
         }
-
-    pub fn set_viewport(&mut self, viewport: &Viewport) {
-        self.program.set_viewport(viewport);
     }
 
     pub fn set_linecolor(&mut self, gl: &glow::Context, color: [f32; 4]) {
@@ -84,7 +54,7 @@ impl AggFastPath {
     }
 
     pub fn set_linewidth(&mut self, gl: &glow::Context, linewidth: f32) {
-        let loc = self.program.get_uniform_location(gl, "linewidth");
+        let loc = self.program.get_uniform_location(gl, "thickness");
         unsafe {
             gl.uniform_1_f32(loc.as_ref(), linewidth);
         }
@@ -97,6 +67,12 @@ impl AggFastPath {
         }
     }
 
+    pub fn set_config(&mut self, gl: &glow::Context, config: &AggFastPathConfig) {
+        self.set_linecolor(gl, config.color);
+        self.set_linewidth(gl, config.linewidth);
+        self.set_anatialias(gl, config.antialias);
+    }
+
     pub fn program(&mut self) -> &mut Program {
         &mut self.program
     }
@@ -106,30 +82,96 @@ impl AggFastPath {
     }
 }
 
-impl Colletion for AggFastPath {
-    type Item = Path;
-
-    fn append(&mut self, item: Self::Item) {
-        self.buffer.extend(item.points);
-    }
-}
-
 impl Graphics for AggFastPath {
+    const id: &'static str = "AggPath";
+    type Config = AggFastPathConfig;
     fn compile(&mut self, gl: &glow::Context) -> Result<()> {
-        use bytemuck::cast_slice;
-        self.program.compile(gl)?;
+        self.program.compile(gl)
+    }
+
+    fn draw(&self, gl: &glow::Context, count: i32) -> Result<()> {
+        unsafe {
+            gl.draw_elements(glow::TRIANGLES, count, glow::UNSIGNED_INT, 0);
+        }
+        Ok(())
+    }
+
+    fn destroy(&mut self, gl: &glow::Context) -> Result<()> {
+        self.program.destroy(gl);
+        Ok(())
+    }
+
+    fn program_ref(&self) -> &Program {
+        &self.program
+    }
+
+    fn program_mut(&mut self) -> &mut Program {
+        &mut self.program
+    }
+
+    fn set_config(&mut self, gl: &glow::Context, config: &Self::Config) -> Result<()> {
+        Ok(())
+    }
+
+    fn mount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(self.program.native_program);
+        }
+        Ok(())
+    }
+
+    fn unmount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(None);
+        }
+        Ok(())
+    }
+}
+
+impl AttaWithBuffer for AggFastPath {
+    type Data = Vec<Path>;
+
+    fn bake(
+        &self,
+        data: &Self::Data,
+        config: &<Self as Graphics>::Config,
+    ) -> Result<(Vec<f32>, Option<Vec<u32>>, i32)> {
+        let points = data.iter().map(|v| &v.points).flatten().collect::<Vec<_>>();
+
+        let mut lens = Vec::with_capacity(data.len());
+        let mut sum = 0;
+        for num in data.iter().map(|v| v.len()) {
+            lens.push(sum);
+            sum += num;
+        }
+
+        let mut vbo = Vec::with_capacity(points.len() * 10);
+        for p in points {
+            vbo.extend_from_slice(&[
+                p.prev[0], p.prev[1], p.prev[2], p.curr[0], p.curr[1], p.curr[2], p.next[0],
+                p.next[1], p.next[2], p.id,
+            ]);
+        }
+        let mut ebo = vec![];
+        for (idx, e) in data.iter().map(|v| &v.ebo).enumerate() {
+            let len = lens[idx] as u32;
+            for e in e.iter() {
+                ebo.extend_from_slice(&[e[0] + len, e[1] + len, e[2] + len]);
+            }
+        }
+
+        let len = ebo.len() as i32;
+
+        Ok((vbo, Some(ebo), len))
+    }
+
+    fn init(&self, gl: &glow::Context) -> (NativeVertexArray, NativeBuffer, Option<NativeBuffer>) {
         unsafe {
             let vao = gl.create_vertex_array().unwrap();
-
             gl.bind_vertex_array(Some(vao));
 
             let vbo = gl.create_buffer().unwrap();
             gl.bind_buffer(glow::ARRAY_BUFFER, Some(vbo));
-            gl.buffer_data_u8_slice(
-                glow::ARRAY_BUFFER,
-                cast_slice(&self.buffer),
-                glow::STATIC_DRAW,
-            );
 
             gl.enable_vertex_attrib_array(0);
             gl.vertex_attrib_pointer_f32(0, 3, glow::FLOAT, false, 40, 0);
@@ -142,41 +184,15 @@ impl Graphics for AggFastPath {
 
             gl.enable_vertex_attrib_array(3);
             gl.vertex_attrib_pointer_f32(3, 1, glow::FLOAT, false, 40, 36);
-
-            self.vao = Some(vao);
-            self.vbo = Some(vbo);
-
+            let ebo = gl.create_buffer().unwrap();
+            gl.bind_buffer(glow::ELEMENT_ARRAY_BUFFER, Some(ebo));
             gl.bind_vertex_array(None);
-        }
 
-        Ok(())
-    }
-
-    fn draw(&self, gl: &glow::Context) -> Result<()> {
-        unsafe {
-            gl.clear(glow::COLOR_BUFFER_BIT);
-            gl.use_program(Some(self.program.native_program.unwrap()));
-            gl.bind_vertex_array(Some(self.vao.unwrap()));
-            gl.draw_arrays(glow::TRIANGLE_STRIP, 0, self.buffer.len() as i32);
-
-            gl.bind_vertex_array(None);
-        }
-
-        Ok(())
-    }
-
-    fn destroy(&mut self, gl: &glow::Context) -> Result<()> {
-        self.program.destroy(gl);
-
-        unsafe {
-            self.vao.map(|vao| gl.delete_vertex_array(vao));
-            self.vbo.map(|vbo| gl.delete_buffer(vbo));
-        }
-
-        Ok(())
+            gl.bind_buffer(glow::ARRAY_BUFFER, None);
+            (vao, vbo, Some(ebo))
+        }
     }
 }
-
 #[repr(C)]
 #[derive(Debug, Clone, Copy, Zeroable, Pod)]
 pub struct Point {
@@ -186,11 +202,28 @@ pub struct Point {
     id: f32,
 }
 
+impl std::fmt::Display for Point {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "Point {{ prev: {:?}, curr: {:?}, next: {:?}, id: {} }}",
+            self.prev, self.curr, self.next, self.id
+        )
+    }
+}
+impl Point {
+    fn f32_slice(&self) -> &[f32] {
+        unsafe { std::slice::from_raw_parts(self as *const Self as *const f32, 13) }
+    }
+}
+
 impl Ty for Point {}
 
 #[derive(Debug)]
 pub struct Path {
     points: Vec<Point>,
+    ebo: Vec<[u32; 3]>,
+
     is_closed: bool,
     is_empty: bool,
 }
@@ -199,6 +232,8 @@ impl Default for Path {
     fn default() -> Self {
         Self {
             points: Vec::with_capacity(500),
+            ebo: Vec::with_capacity(500),
+
             is_closed: false,
             is_empty: true,
         }
@@ -225,6 +260,8 @@ impl PathBuilder {
         Path {
             points: Vec::with_capacity(500),
             is_closed: self.is_closed,
+            ebo: Vec::with_capacity(500),
+
             is_empty: true,
         }
     }
@@ -234,6 +271,7 @@ impl Path {
     pub fn new(is_closed: bool) -> Self {
         Self {
             points: Vec::with_capacity(500),
+            ebo: Vec::with_capacity(500),
             is_closed,
             is_empty: true,
         }
@@ -304,6 +342,11 @@ impl Path {
             self.points[len - 1].next = curr;
             self.points[len - 2].next = curr;
         }
+        for s in 0..(self.points.len() / 2) - 1 {
+            let s = s as u32;
+            self.ebo.push([s * 2, s * 2 + 1, (s + 1) * 2 + 1]);
+            self.ebo.push([s * 2, (s + 1) * 2 + 1, (s + 1) * 2]);
+        }
     }
 
     pub fn len(&self) -> usize {
@@ -329,8 +372,6 @@ impl DerefMut for Path {
 
 mod test {
 
-    use crate::graphics::transforms::{polar::Polar, position::Position, trackball::Trackball};
-
     use super::*;
 
     #[test]

src/graphics/colormap/linear.rs

@@ -1,40 +1,37 @@
-use glow::HasContext;
-
+use super::ColorMap;
 use crate::components::{CodeType, Program, Snippet};
 use crate::errors::*;
-
-use super::ColorMap;
+use crate::shaders::colormap::ColorMap as CmapPiece;
+use glow::HasContext;
 
 pub struct LinearColormap {
-    snippet: Snippet,
     colors: Vec<[u8; 4]>,
 
     color_changed: bool,
     texture: Option<glow::NativeTexture>,
 
+    pub unvalid: f32,
     pub min: f32,
     pub max: f32,
 }
 
 impl LinearColormap {
     pub fn new() -> Result<Self> {
-        let snippet = Snippet::new(
-            "linear",
-            CodeType::<&'static str>::Path("colormap.glsl".into()),
-            true,
-            None,
-        )?;
-
         Ok(Self {
-            snippet,
             colors: vec![],
             texture: None,
             color_changed: true,
             min: 0.0,
             max: 1.0,
+            unvalid: 0.0,
         })
     }
 
+    pub fn set_unvalid_value(&mut self, value: f32) {
+        self.unvalid = value;
+        self.color_changed = true;
+    }
+
     pub fn set_colors(&mut self, colors: Vec<[u8; 4]>) {
         self.colors = colors;
         self.color_changed = true;
@@ -79,18 +76,14 @@ impl ColorMap for LinearColormap {
                     glow::NEAREST as i32,
                 );
 
-                let name = self.snippet.find_symbol("conf").unwrap();
-                let location = program.get_uniform_location(gl, &name);
-
-                // gl.uniform_2_f32(location.as_ref(), 0);
+                let location = program.get_uniform_location(gl, "colormap_conf");
                 gl.uniform_4_f32(
                     location.as_ref(),
                     self.min,
                     self.max,
                     self.colors.len() as f32,
-                    125.0,
+                    self.unvalid,
                 );
-
                 self.texture = Some(texture);
             }
         }
@@ -110,17 +103,12 @@ impl ColorMap for LinearColormap {
         unsafe {
             gl.active_texture(glow::TEXTURE0);
             gl.bind_texture(glow::TEXTURE_1D, self.texture);
-            let name = self.snippet.find_symbol("colormap").unwrap();
-            let location = program.get_uniform_location(gl, &name);
+            let location = program.get_uniform_location(gl, "colormap");
             gl.uniform_1_i32(location.as_ref(), 0);
         }
 
         Ok(())
     }
-
-    fn snippet_ref(&self) -> &crate::components::Snippet {
-        &self.snippet
-    }
 }
 
 mod test {

src/graphics/colormap/mod.rs

@@ -11,7 +11,5 @@ pub trait ColorMap {
 
     fn bind_texture(&self, gl: &glow::Context, program: &Program) -> crate::errors::Result<()>;
 
-    fn snippet_ref(&self) -> &crate::components::Snippet;
-
     fn destroy(&mut self, gl: &glow::Context);
 }

src/graphics/font/esdt/esdt.rs

@@ -0,0 +1,740 @@
+//! Rust port of the ESDT ("Euclidean Subpixel Distance Transform") algorithm.
+//!
+//!
+//! This algorithm was originally published as the [`@use-gpu/glyph`](https://www.npmjs.com/package/@use-gpu/glyph)
+//! `npm` package, and was described in <https://acko.net/blog/subpixel-distance-transform/>.
+
+use super::img::{Bitmap, Image2d, NDCursor, NDCursorExt as _, Unorm8};
+
+// HACK(eddyb) only exists to allow toggling precision for testing purposes.
+#[cfg(sdfer_use_f64_instead_of_f32)]
+type f32 = f64;
+
+#[derive(Copy, Clone, Debug)]
+pub struct Params {
+    pub pad: usize,
+    pub radius: f32,
+    pub cutoff: f32,
+    pub solidify: bool,
+    pub preprocess: bool,
+    // FIXME(eddyb) implement.
+    // pub postprocess: bool,
+}
+
+impl Default for Params {
+    fn default() -> Self {
+        Self {
+            pad: 4,
+            radius: 3.0,
+            cutoff: 0.25,
+            solidify: true,
+            preprocess: false,
+            // FIXME(eddyb) implement.
+            // postprocess: false,
+        }
+    }
+}
+
+/// Opaque `struct` allowing buffer reuse between SDF computations, instead of
+/// reallocating all the buffers every time.
+#[derive(Default)]
+pub struct ReusableBuffers(ReusableBuffers2d, ReusableBuffers1d);
+
+// Convert grayscale glyph to SDF
+pub fn glyph_to_sdf(
+    glyph: &mut Image2d<Unorm8, impl AsMut<[Unorm8]> + AsRef<[Unorm8]>>,
+    params: Params,
+    reuse_bufs: Option<ReusableBuffers>,
+) -> (Image2d<Unorm8>, ReusableBuffers) {
+    if params.solidify {
+        solidify_alpha(glyph.reborrow_mut());
+    }
+    glyph_to_esdt(glyph.reborrow_mut(), params, reuse_bufs)
+}
+
+// Solidify semi-transparent areas
+fn solidify_alpha(mut glyph: Image2d<Unorm8, &mut [Unorm8]>) {
+    let (w, h) = (glyph.width(), glyph.height());
+
+    let mut mask: Image2d<u8> = Image2d::new(w, h);
+
+    let get_data = |x: isize, y: isize| {
+        if x >= 0 && (x as usize) < w && y >= 0 && (y as usize) < h {
+            glyph[(x as usize, y as usize)]
+        } else {
+            Unorm8::MIN
+        }
+    };
+
+    let mut masked = 0;
+
+    // Mask pixels whose alpha matches their 4 adjacent neighbors (within 16 steps)
+    // and who don't have black or white neighbors.
+    for y in 0..(h as isize) {
+        for x in 0..(w as isize) {
+            let a = get_data(x, y);
+            // FIXME(eddyb) audit all comparisons with `254` and try removing them.
+            if a == Unorm8::MIN || a >= Unorm8::from_bits(254) {
+                continue;
+            }
+
+            let l = get_data(x - 1, y);
+            let r = get_data(x + 1, y);
+            let t = get_data(x, y - 1);
+            let b = get_data(x, y + 1);
+
+            let (min, max) = [a, l, r, t, b]
+                .into_iter()
+                .map(|x| (x, x))
+                .reduce(|(a_min, a_max), (b_min, b_max)| (a_min.min(b_min), a_max.max(b_max)))
+                .unwrap();
+
+            let [a, min, max] = [a, min, max].map(Unorm8::to_bits);
+
+            // FIXME(eddyb) audit all comparisons with `254` and try removing them.
+            if (max - min) < 16 && min > 0 && max < 254 {
+                // NOTE(eddyb) `min > 0` guarantees all neighbors are in-bounds.
+                let (x, y) = (x as usize, y as usize);
+
+                // Spread to 4 neighbors with max
+                mask[(x - 1, y)] = mask[(x - 1, y)].max(a);
+                mask[(x, y - 1)] = mask[(x, y - 1)].max(a);
+                mask[(x, y)] = a;
+                mask[(x + 1, y)] = mask[(x + 1, y)].max(a);
+                mask[(x, y + 1)] = mask[(x, y + 1)].max(a);
+                masked += 1;
+            }
+        }
+    }
+
+    if masked == 0 {
+        return;
+    }
+
+    let get_mask = |x: isize, y: isize| {
+        if x >= 0 && (x as usize) < w && y >= 0 && (y as usize) < h {
+            mask[(x as usize, y as usize)]
+        } else {
+            0
+        }
+    };
+
+    // Sample 3x3 area for alpha normalization factor
+    for y in 0..(h as isize) {
+        for x in 0..(w as isize) {
+            let a = &mut glyph[(x as usize, y as usize)];
+            // FIXME(eddyb) audit all comparisons with `254` and try removing them.
+            if *a == Unorm8::MIN || *a >= Unorm8::from_bits(254) {
+                continue;
+            }
+
+            let c = get_mask(x, y);
+
+            let l = get_mask(x - 1, y);
+            let r = get_mask(x + 1, y);
+            let t = get_mask(x, y - 1);
+            let b = get_mask(x, y + 1);
+
+            let tl = get_mask(x - 1, y - 1);
+            let tr = get_mask(x + 1, y - 1);
+            let bl = get_mask(x - 1, y + 1);
+            let br = get_mask(x + 1, y + 1);
+
+            if let Some(m) = [c, l, r, t, b, tl, tr, bl, br]
+                .into_iter()
+                .find(|&x| x != 0)
+            {
+                *a = Unorm8::from_bits((a.to_bits() as f32 / m as f32 * 255.0) as u8);
+            }
+        }
+    }
+}
+
+// Convert grayscale or color glyph to SDF using subpixel distance transform
+fn glyph_to_esdt(
+    mut glyph: Image2d<Unorm8, &mut [Unorm8]>,
+    params: Params,
+    reuse_bufs: Option<ReusableBuffers>,
+) -> (Image2d<Unorm8>, ReusableBuffers) {
+    // FIXME(eddyb) use `Params` itself directly in more places.
+    let Params {
+        pad,
+        radius,
+        cutoff,
+        solidify: _,
+        preprocess,
+    } = params;
+
+    let wp = glyph.width() + pad * 2;
+    let hp = glyph.height() + pad * 2;
+
+    let mut state = State::from_glyph(glyph.reborrow_mut(), params, reuse_bufs);
+
+    state.esdt_outer_and_inner(wp, hp);
+
+    // FIXME(eddyb) implement.
+    // if postprocess { state.relax_subpixel_offsets(glyph, pad); }
+
+    let mut sdf = Image2d::from_fn(wp, hp, |x, y| {
+        let i = y * wp + x;
+        let ReusableBuffers2d { xo, yo, xi, yi, .. } = &state.bufs_2d;
+        let outer = ((xo[i].powi(2) + yo[i].powi(2)).sqrt() - 0.5).max(0.0);
+        let inner = ((xi[i].powi(2) + yi[i].powi(2)).sqrt() - 0.5).max(0.0);
+        let d = if outer >= inner { outer } else { -inner };
+        Unorm8::encode(1.0 - (d / radius + cutoff))
+    });
+
+    if !preprocess {
+        paint_into_distance_field(&mut sdf, glyph.reborrow(), params);
+    }
+
+    (sdf, ReusableBuffers(state.bufs_2d, state.reuse_bufs_1d))
+}
+
+// Helpers
+fn is_black(x: f32) -> bool {
+    x == 0.0
+}
+fn is_white(x: f32) -> bool {
+    x == 1.0
+}
+fn is_solid(x: f32) -> bool {
+    x == 0.0 || x == 1.0
+}
+
+// Paint original alpha channel into final SDF when gray
+fn paint_into_distance_field(
+    sdf: &mut Image2d<Unorm8>,
+    glyph: Image2d<Unorm8, &[Unorm8]>,
+    params: Params,
+) {
+    let Params {
+        pad,
+        radius,
+        cutoff,
+        ..
+    } = params;
+
+    for y in 0..glyph.height() {
+        for x in 0..glyph.width() {
+            let a = glyph[(x, y)].decode();
+            if !is_solid(a) {
+                let d = 0.5 - a;
+                sdf[(x + pad, y + pad)] = Unorm8::encode(1.0 - (d / radius + cutoff));
+            }
+        }
+    }
+}
+
+/// 2D buffers, which get reused (see also `ReusableBuffers` itself).
+#[derive(Default)]
+struct ReusableBuffers2d {
+    // FIXME(eddyb) group `outer` with `{x,y}o`.
+    outer: Bitmap,
+    // FIXME(eddyb) group `inner` with `{x,y}i``.
+    inner: Bitmap,
+
+    xo: Vec<f32>,
+    yo: Vec<f32>,
+    xi: Vec<f32>,
+    yi: Vec<f32>,
+}
+
+struct State {
+    // FIXME(eddyb) do the grouping suggested in `ReusableBuffers2d`, to have
+    // `outer` and `inner` fields in here, to use instead of `ReusableBuffers2d`.
+    bufs_2d: ReusableBuffers2d,
+    reuse_bufs_1d: ReusableBuffers1d,
+}
+
+impl State {
+    fn from_glyph(
+        mut glyph: Image2d<Unorm8, &mut [Unorm8]>,
+        params: Params,
+        reuse_bufs: Option<ReusableBuffers>,
+    ) -> Self {
+        let Params {
+            pad,
+            // FIXME(eddyb) should this still be taken as a separate `bool`?
+            preprocess: relax,
+            ..
+        } = params;
+
+        let wp = glyph.width() + pad * 2;
+        let hp = glyph.height() + pad * 2;
+        let np = wp * hp;
+
+        let ReusableBuffers(bufs_2d, reuse_bufs_1d) = reuse_bufs.unwrap_or_default();
+        let mut state = Self {
+            bufs_2d,
+            reuse_bufs_1d,
+        };
+        let ReusableBuffers2d {
+            outer,
+            inner,
+            xo,
+            yo,
+            xi,
+            yi,
+        } = &mut state.bufs_2d;
+
+        outer.resize_and_fill_with(wp, hp, true);
+        inner.resize_and_fill_with(wp, hp, false);
+        for buf2d in [&mut *xo, yo, xi, yi] {
+            buf2d.clear();
+            buf2d.resize(np, 0.0);
+        }
+
+        for y in 0..glyph.height() {
+            for x in 0..glyph.width() {
+                let a = &mut glyph[(x, y)];
+                if *a == Unorm8::MIN {
+                    continue;
+                }
+
+                // FIXME(eddyb) audit all comparisons with `254` and try removing them,
+                // especially this step that modifies the `glyph` itself.
+                if *a >= Unorm8::from_bits(254) {
+                    // Fix for bad rasterizer rounding
+                    *a = Unorm8::MAX;
+
+                    outer.at(x + pad, y + pad).set(false);
+                    inner.at(x + pad, y + pad).set(true);
+                } else {
+                    outer.at(x + pad, y + pad).set(false);
+                    inner.at(x + pad, y + pad).set(false);
+                }
+            }
+        }
+
+        //
+        // Generate subpixel offsets for all border pixels
+        //
+
+        let get_data = |x: isize, y: isize| {
+            if x >= 0 && (x as usize) < glyph.width() && y >= 0 && (y as usize) < glyph.height() {
+                glyph[(x as usize, y as usize)].decode()
+            } else {
+                0.0
+            }
+        };
+
+        // Make vector from pixel center to nearest boundary
+        for y in 0..(glyph.height() as isize) {
+            for x in 0..(glyph.width() as isize) {
+                let c = get_data(x, y);
+                // NOTE(eddyb) `j - 1` (X-) / `j - wp` (Y-) positive (`pad >= 1`).
+                let j = ((y as usize) + pad) * wp + (x as usize) + pad;
+
+                if !is_solid(c) {
+                    let dc = c - 0.5;
+
+                    // NOTE(eddyb) l(eft) r(ight) t(op) b(ottom)
+                    let l = get_data(x - 1, y);
+                    let r = get_data(x + 1, y);
+                    let t = get_data(x, y - 1);
+                    let b = get_data(x, y + 1);
+
+                    let tl = get_data(x - 1, y - 1);
+                    let tr = get_data(x + 1, y - 1);
+                    let bl = get_data(x - 1, y + 1);
+                    let br = get_data(x + 1, y + 1);
+
+                    let ll = (tl + l * 2.0 + bl) / 4.0;
+                    let rr = (tr + r * 2.0 + br) / 4.0;
+                    let tt = (tl + t * 2.0 + tr) / 4.0;
+                    let bb = (bl + b * 2.0 + br) / 4.0;
+
+                    let (min, max) = [l, r, t, b, tl, tr, bl, br]
+                        .into_iter()
+                        .map(|x| (x, x))
+                        .reduce(|(a_min, a_max), (b_min, b_max)| {
+                            (a_min.min(b_min), a_max.max(b_max))
+                        })
+                        .unwrap();
+
+                    if min > 0.0 {
+                        // Interior creases
+                        inner.at(x as usize + pad, y as usize + pad).set(true);
+                        continue;
+                    }
+                    if max < 1.0 {
+                        // Exterior creases
+                        outer.at(x as usize + pad, y as usize + pad).set(true);
+                        continue;
+                    }
+
+                    let mut dx = rr - ll;
+                    let mut dy = bb - tt;
+                    let dl = 1.0 / (dx.powi(2) + dy.powi(2)).sqrt();
+                    dx *= dl;
+                    dy *= dl;
+
+                    xo[j] = -dc * dx;
+                    yo[j] = -dc * dy;
+                } else if is_white(c) {
+                    // NOTE(eddyb) l(eft) r(ight) t(op) b(ottom)
+                    let l = get_data(x - 1, y);
+                    let r = get_data(x + 1, y);
+                    let t = get_data(x, y - 1);
+                    let b = get_data(x, y + 1);
+
+                    if is_black(l) {
+                        xo[j - 1] = 0.4999;
+                        outer.at(x as usize + pad - 1, y as usize + pad).set(false);
+                        inner.at(x as usize + pad - 1, y as usize + pad).set(false);
+                    }
+                    if is_black(r) {
+                        xo[j + 1] = -0.4999;
+                        outer.at(x as usize + pad + 1, y as usize + pad).set(false);
+                        inner.at(x as usize + pad + 1, y as usize + pad).set(false);
+                    }
+
+                    if is_black(t) {
+                        yo[j - wp] = 0.4999;
+                        outer.at(x as usize + pad, y as usize + pad - 1).set(false);
+                        inner.at(x as usize + pad, y as usize + pad - 1).set(false);
+                    }
+                    if is_black(b) {
+                        yo[j + wp] = -0.4999;
+                        outer.at(x as usize + pad, y as usize + pad + 1).set(false);
+                        inner.at(x as usize + pad, y as usize + pad + 1).set(false);
+                    }
+                }
+            }
+        }
+
+        // Blend neighboring offsets but preserve normal direction
+        // Uses xo as input, xi as output
+        // Improves quality slightly, but slows things down.
+        if relax {
+            let check_cross = |nx, ny, dc, dl, dr, dxl, dyl, dxr, dyr| {
+                ((dxl * nx + dyl * ny) * (dc * dl) > 0.0)
+                    && ((dxr * nx + dyr * ny) * (dc * dr) > 0.0)
+                    && ((dxl * dxr + dyl * dyr) * (dl * dr) > 0.0)
+            };
+
+            for y in 0..(glyph.height() as isize) {
+                for x in 0..(glyph.width() as isize) {
+                    // NOTE(eddyb) `j - 1` (X-) / `j - wp` (Y-) positive (`pad >= 1`).
+                    let j = ((y as usize) + pad) * wp + (x as usize) + pad;
+
+                    let nx = xo[j];
+                    let ny = yo[j];
+                    if nx == 0.0 && ny == 0.0 {
+                        continue;
+                    }
+
+                    // NOTE(eddyb) c(enter) l(eft) r(ight) t(op) b(ottom)
+                    let c = get_data(x, y);
+                    let l = get_data(x - 1, y);
+                    let r = get_data(x + 1, y);
+                    let t = get_data(x, y - 1);
+                    let b = get_data(x, y + 1);
+
+                    let dxl = xo[j - 1];
+                    let dxr = xo[j + 1];
+                    let dxt = xo[j - wp];
+                    let dxb = xo[j + wp];
+
+                    let dyl = yo[j - 1];
+                    let dyr = yo[j + 1];
+                    let dyt = yo[j - wp];
+                    let dyb = yo[j + wp];
+
+                    let mut dx = nx;
+                    let mut dy = ny;
+                    let mut dw = 1.0;
+
+                    let dc = c - 0.5;
+                    let dl = l - 0.5;
+                    let dr = r - 0.5;
+                    let dt = t - 0.5;
+                    let db = b - 0.5;
+
+                    if !is_solid(l) && !is_solid(r) {
+                        if check_cross(nx, ny, dc, dl, dr, dxl, dyl, dxr, dyr) {
+                            dx += (dxl + dxr) / 2.0;
+                            dy += (dyl + dyr) / 2.0;
+                            dw += 1.0;
+                        }
+                    }
+
+                    if !is_solid(t) && !is_solid(b) {
+                        if check_cross(nx, ny, dc, dt, db, dxt, dyt, dxb, dyb) {
+                            dx += (dxt + dxb) / 2.0;
+                            dy += (dyt + dyb) / 2.0;
+                            dw += 1.0;
+                        }
+                    }
+
+                    if !is_solid(l) && !is_solid(t) {
+                        if check_cross(nx, ny, dc, dl, dt, dxl, dyl, dxt, dyt) {
+                            dx += (dxl + dxt - 1.0) / 2.0;
+                            dy += (dyl + dyt - 1.0) / 2.0;
+                            dw += 1.0;
+                        }
+                    }
+
+                    if !is_solid(r) && !is_solid(t) {
+                        if check_cross(nx, ny, dc, dr, dt, dxr, dyr, dxt, dyt) {
+                            dx += (dxr + dxt + 1.0) / 2.0;
+                            dy += (dyr + dyt - 1.0) / 2.0;
+                            dw += 1.0;
+                        }
+                    }
+
+                    if !is_solid(l) && !is_solid(b) {
+                        if check_cross(nx, ny, dc, dl, db, dxl, dyl, dxb, dyb) {
+                            dx += (dxl + dxb - 1.0) / 2.0;
+                            dy += (dyl + dyb + 1.0) / 2.0;
+                            dw += 1.0;
+                        }
+                    }
+
+                    if !is_solid(r) && !is_solid(b) {
+                        if check_cross(nx, ny, dc, dr, db, dxr, dyr, dxb, dyb) {
+                            dx += (dxr + dxb + 1.0) / 2.0;
+                            dy += (dyr + dyb + 1.0) / 2.0;
+                            dw += 1.0;
+                        }
+                    }
+
+                    let nn = (nx * nx + ny * ny).sqrt();
+                    let ll = (dx * nx + dy * ny) / nn;
+
+                    dx = nx * ll / dw / nn;
+                    dy = ny * ll / dw / nn;
+
+                    xi[j] = dx;
+                    yi[j] = dy;
+                }
+            }
+        }
+
+        // Produce zero points for positive and negative DF, at +0.5 / -0.5.
+        // Splits xs into xo/xi
+        for y in 0..(glyph.height() as isize) {
+            for x in 0..(glyph.width() as isize) {
+                // NOTE(eddyb) `j - 1` (X-) / `j - wp` (Y-) positive (`pad >= 1`).
+                let j = ((y as usize) + pad) * wp + (x as usize) + pad;
+
+                // NOTE(eddyb) `if relax` above changed `xs`/`ys` in the original.
+                let (nx, ny) = if relax {
+                    (xi[j], yi[j])
+                } else {
+                    (xo[j], yo[j])
+                };
+                if nx == 0.0 && ny == 0.0 {
+                    continue;
+                }
+
+                let nn = (nx.powi(2) + ny.powi(2)).sqrt();
+
+                let sx = if ((nx / nn).abs() - 0.5) > 0.0 {
+                    nx.signum() as isize
+                } else {
+                    0
+                };
+                let sy = if ((ny / nn).abs() - 0.5) > 0.0 {
+                    ny.signum() as isize
+                } else {
+                    0
+                };
+
+                let c = get_data(x, y);
+                let d = get_data(x + sx, y + sy);
+                // FIXME(eddyb) is this inefficient? (was `Math.sign(d - c)`)
+                let s = (d - c).total_cmp(&0.0) as i8 as f32;
+
+                let dlo = (nn + 0.4999 * s) / nn;
+                let dli = (nn - 0.4999 * s) / nn;
+
+                xo[j] = nx * dlo;
+                yo[j] = ny * dlo;
+                xi[j] = nx * dli;
+                yi[j] = ny * dli;
+            }
+        }
+
+        state
+    }
+
+    fn esdt_outer_and_inner(&mut self, w: usize, h: usize) {
+        {
+            let Self {
+                bufs_2d:
+                    ReusableBuffers2d {
+                        outer,
+                        inner,
+                        xo,
+                        yo,
+                        xi,
+                        yi,
+                    },
+                reuse_bufs_1d,
+            } = self;
+            esdt(outer, xo, yo, w, h, reuse_bufs_1d);
+            esdt(inner, xi, yi, w, h, reuse_bufs_1d);
+        }
+    }
+}
+
+// 2D subpixel distance transform by unconed
+// extended from Felzenszwalb & Huttenlocher https://cs.brown.edu/~pff/papers/dt-final.pdf
+fn esdt(
+    mask: &mut Bitmap,
+    xs: &mut [f32],
+    ys: &mut [f32],
+    w: usize,
+    h: usize,
+    reuse_bufs_1d: &mut ReusableBuffers1d,
+) {
+    reuse_bufs_1d.critical_minima.clear();
+    reuse_bufs_1d.critical_minima.reserve(w.max(h));
+
+    let mut xs = Image2d::from_storage(w, h, xs);
+    let mut ys = Image2d::from_storage(w, h, ys);
+
+    for x in 0..w {
+        let mut mask_xy_cursor = mask
+            .cursor_at(0, 0)
+            .zip(
+                // FIXME(eddyb) combine `xs` and `ys` into the same `Image2d`.
+                ys.cursor_at(0, 0).zip(xs.cursor_at(0, 0)),
+            )
+            .map_abs_and_rel(move |y| (x, y), |dy| (0, dy));
+        mask_xy_cursor.reset(0);
+
+        esdt1d(mask_xy_cursor, h, reuse_bufs_1d)
+    }
+    for y in 0..h {
+        let mut mask_xy_cursor = mask
+            .cursor_at(0, 0)
+            .zip(
+                // FIXME(eddyb) combine `xs` and `ys` into the same `Image2d`.
+                xs.cursor_at(0, 0).zip(ys.cursor_at(0, 0)),
+            )
+            .map_abs_and_rel(move |x| (x, y), |dx| (dx, 0));
+        mask_xy_cursor.reset(0);
+
+        esdt1d(mask_xy_cursor, w, reuse_bufs_1d)
+    }
+}
+
+/// 1D buffers (for `esdt1d`), which get reused between calls.
+//
+// FIXME(eddyb) the name is outdated now that there's only one buffer.
+#[derive(Default)]
+struct ReusableBuffers1d {
+    critical_minima: Vec<CriticalMinimum>,
+}
+
+// FIXME(eddyb) clean up the names after all the refactors.
+struct CriticalMinimum {
+    // FIXME(eddyb) this is really just a position, since it's not used to
+    // index anything indirectly anymore, but rather indicates the original `q`,
+    // and is used to compare against it in the second iteration of `esdt1d`.
+    v: usize, // Array index
+
+    z: f32, // Voronoi threshold
+    f: f32, // Squared distance
+    b: f32, // Subpixel offset parallel
+    t: f32, // Subpixel offset perpendicular
+}
+
+// 1D subpixel distance transform
+fn esdt1d(
+    mut mask_xy_cursor: impl for<'a> NDCursor<
+        'a,
+        usize,
+        RefMut = (super::img::BitmapEntry<'a>, (&'a mut f32, &'a mut f32)),
+    >,
+    // FIXME(eddyb) provide this through the cursor, maybe?
+    length: usize,
+    reuse_bufs_1d: &mut ReusableBuffers1d,
+) {
+    // FIXME(eddyb) this is a pretty misleading name.
+    const INF: f32 = 1e10;
+
+    let cm = &mut reuse_bufs_1d.critical_minima;
+    cm.clear();
+
+    {
+        let (mask, (&mut dx, &mut dy)) = mask_xy_cursor.get_mut();
+        cm.push(CriticalMinimum {
+            v: 0,
+            z: -INF,
+            f: if mask.get() { INF } else { dy.powi(2) },
+
+            b: dx,
+            t: dy,
+        });
+        mask_xy_cursor.advance(1);
+    }
+
+    // Scan along array and build list of critical minima
+    for q in 1..length {
+        // Perpendicular
+        let (mask, (&mut dx, &mut dy)) = mask_xy_cursor.get_mut();
+        let fq = if mask.get() { INF } else { dy.powi(2) };
+        mask_xy_cursor.advance(1);
+
+        // Parallel
+        let qs = q as f32 + dx;
+        let q2 = qs.powi(2);
+
+        // Remove any minima eclipsed by this one
+        let mut s;
+        loop {
+            let r = &cm[cm.len() - 1];
+
+            s = (fq - r.f + q2 - r.b.powi(2)) / (qs - r.b) / 2.0;
+
+            if !(s <= r.z) {
+                break;
+            }
+
+            cm.pop();
+            if cm.len() == 0 {
+                break;
+            }
+        }
+
+        // Add to minima list
+        cm.push(CriticalMinimum {
+            v: q,
+            z: s,
+            f: fq,
+            b: qs,
+            t: dy,
+        });
+    }
+
+    mask_xy_cursor.reset(0);
+
+    // Resample array based on critical minima
+    {
+        let mut k = 0;
+        for q in 0..length {
+            // Skip eclipsed minima
+            while k + 1 < cm.len() && cm[k + 1].z < q as f32 {
+                k += 1;
+            }
+
+            let r = &cm[k];
+
+            // Distance from integer index to subpixel location of minimum
+            let rq = r.b - q as f32;
+
+            let (mut mask, (dx, dy)) = mask_xy_cursor.get_mut();
+            *dx = rq;
+            *dy = r.t;
+            // Mark cell as having propagated
+            if r.v != q {
+                mask.set(false);
+            }
+            mask_xy_cursor.advance(1);
+        }
+    }
+}

src/graphics/font/esdt/img.rs

@@ -0,0 +1,411 @@
+// NOTE(eddyb) this is a separate module so that privacy affects sibling modules.
+// FIXME(eddyb) deduplicate with `image` crate?
+
+use std::marker::PhantomData;
+use std::ops::{Index, IndexMut};
+
+// HACK(eddyb) only exists to allow toggling precision for testing purposes.
+#[cfg(sdfer_use_f64_instead_of_f32)]
+type f32 = f64;
+
+/// `[0, 1]` represented by uniformly spaced `u8` values (`0..=255`),
+/// i.e. `Unorm8(byte)` corresponds to the `f32` value `byte as f32 / 255.0`.
+#[derive(Copy, Clone, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[repr(transparent)]
+pub struct Unorm8(u8);
+
+impl Unorm8 {
+    pub const MIN: Self = Self::from_bits(0);
+    pub const MAX: Self = Self::from_bits(u8::MAX);
+
+    #[inline(always)]
+    pub fn encode(x: f32) -> Self {
+        // NOTE(eddyb) manual `clamp` not needed, `(_: f32) as u8` will saturate:
+        // https://doc.rust-lang.org/reference/expressions/operator-expr.html#numeric-cast
+        Self((x * 255.0).round() as u8)
+    }
+
+    #[inline(always)]
+    pub fn decode(self) -> f32 {
+        self.0 as f32 / 255.0
+    }
+
+    #[inline(always)]
+    pub const fn from_bits(bits: u8) -> Self {
+        Self(bits)
+    }
+
+    #[inline(always)]
+    pub const fn to_bits(self) -> u8 {
+        self.0
+    }
+}
+
+#[derive(Default, Copy, Clone)]
+pub struct Image2d<T, Storage: AsRef<[T]> = Vec<T>> {
+    width: usize,
+    height: usize,
+    data: Storage,
+    _marker: PhantomData<T>,
+}
+
+impl<T, Storage: AsRef<[T]>> Image2d<T, Storage> {
+    pub fn new(width: usize, height: usize) -> Self
+    where
+        T: Default,
+        Storage: FromIterator<T>,
+    {
+        Self::from_fn(width, height, |_, _| T::default())
+    }
+
+    pub fn from_fn(width: usize, height: usize, mut f: impl FnMut(usize, usize) -> T) -> Self
+    where
+        Storage: FromIterator<T>,
+    {
+        Self::from_storage(
+            width,
+            height,
+            (0..height)
+                .flat_map(|y| (0..width).map(move |x| (x, y)))
+                .map(|(x, y)| f(x, y))
+                .collect(),
+        )
+    }
+
+    pub fn from_storage(width: usize, height: usize, storage: Storage) -> Self {
+        assert_eq!(storage.as_ref().len(), width * height);
+        Self {
+            width,
+            height,
+            data: storage,
+            _marker: PhantomData,
+        }
+    }
+
+    pub fn width(&self) -> usize {
+        self.width
+    }
+
+    pub fn height(&self) -> usize {
+        self.height
+    }
+
+    pub fn reborrow(&self) -> Image2d<T, &[T]> {
+        Image2d {
+            width: self.width,
+            height: self.height,
+            data: self.data.as_ref(),
+            _marker: PhantomData,
+        }
+    }
+
+    pub fn reborrow_mut(&mut self) -> Image2d<T, &mut [T]>
+    where
+        Storage: AsMut<[T]>,
+    {
+        Image2d {
+            width: self.width,
+            height: self.height,
+            data: self.data.as_mut(),
+            _marker: PhantomData,
+        }
+    }
+
+    pub fn cursor_at(&mut self, x: usize, y: usize) -> Image2dCursor<'_, T>
+    where
+        Storage: AsMut<[T]>,
+    {
+        let mut cursor = Image2dCursor {
+            image: self.reborrow_mut(),
+            xy_offset: 0,
+        };
+        cursor.reset((x, y));
+        cursor
+    }
+}
+
+impl<T, Storage: AsRef<[T]>> Index<(usize, usize)> for Image2d<T, Storage> {
+    type Output = T;
+
+    fn index(&self, (x, y): (usize, usize)) -> &T {
+        &self.data.as_ref()[y * self.width..][..self.width][x]
+    }
+}
+
+impl<T, Storage: AsMut<[T]> + AsRef<[T]>> IndexMut<(usize, usize)> for Image2d<T, Storage> {
+    fn index_mut(&mut self, (x, y): (usize, usize)) -> &mut T {
+        &mut self.data.as_mut()[y * self.width..][..self.width][x]
+    }
+}
+
+impl From<image::GrayImage> for Image2d<Unorm8> {
+    fn from(img: image::GrayImage) -> Self {
+        Self {
+            width: img.width().try_into().unwrap(),
+            height: img.height().try_into().unwrap(),
+            // HACK(eddyb) this should be a noop if the right specializations
+            // all kick in, and LLVM optimizes out the in-place transformation.
+            data: img.into_vec().into_iter().map(Unorm8::from_bits).collect(),
+            _marker: PhantomData,
+        }
+    }
+}
+
+impl From<Image2d<Unorm8>> for image::GrayImage {
+    fn from(img: Image2d<Unorm8>) -> Self {
+        image::GrayImage::from_vec(
+            img.width().try_into().unwrap(),
+            img.height().try_into().unwrap(),
+            // HACK(eddyb) this should be a noop if the right specializations
+            // all kick in, and LLVM optimizes out the in-place transformation.
+            img.data.into_iter().map(Unorm8::to_bits).collect(),
+        )
+        .unwrap()
+    }
+}
+
+impl From<Image2d<Unorm8>> for ndarray::Array2<u8> {
+    fn from(value: Image2d<Unorm8>) -> Self {
+        ndarray::Array2::from_shape_vec(
+            [value.height(), value.width()],
+            value.data.into_iter().map(Unorm8::to_bits).collect(),
+        )
+        .unwrap()
+    }
+}
+
+impl<T: Copy> Image2d<T> {
+    fn resize_and_fill_with(&mut self, width: usize, height: usize, initial: T) {
+        self.width = width;
+        self.height = height;
+        self.data.clear();
+        self.data.resize(width * height, initial);
+    }
+}
+
+#[derive(Default)]
+pub struct Bitmap {
+    width: usize,
+    height: usize,
+    bit_8x8_blocks: Image2d<u64>,
+}
+
+pub struct BitmapEntry<'a> {
+    bit_8x8_block: &'a mut u64,
+    mask: u64,
+}
+
+impl Bitmap {
+    #[inline(always)]
+    pub fn new(width: usize, height: usize) -> Self {
+        let mut r = Self::default();
+        r.resize_and_fill_with(width, height, false);
+        r
+    }
+
+    #[inline(always)]
+    pub(crate) fn resize_and_fill_with(&mut self, width: usize, height: usize, initial: bool) {
+        self.width = width;
+        self.height = height;
+        self.bit_8x8_blocks.resize_and_fill_with(
+            width.div_ceil(8),
+            height.div_ceil(8),
+            if initial { !0 } else { 0 },
+        );
+    }
+
+    #[inline(always)]
+    pub fn width(&self) -> usize {
+        self.width
+    }
+
+    #[inline(always)]
+    pub fn height(&self) -> usize {
+        self.height
+    }
+
+    const BW: usize = 8;
+    const BH: usize = 8;
+
+    #[inline(always)]
+    const fn bit_8x8_block_xy_and_mask(x: usize, y: usize) -> ((usize, usize), u64) {
+        (
+            (x / Self::BW, y / Self::BH),
+            1 << ((y % Self::BH) * Self::BW + x % Self::BW),
+        )
+    }
+
+    #[inline(always)]
+    pub fn get(&self, x: usize, y: usize) -> bool {
+        let (block_xy, mask) = Self::bit_8x8_block_xy_and_mask(x, y);
+        (self.bit_8x8_blocks[block_xy] & mask) != 0
+    }
+
+    #[inline(always)]
+    pub fn at(&mut self, x: usize, y: usize) -> BitmapEntry<'_> {
+        let (block_xy, mask) = Self::bit_8x8_block_xy_and_mask(x, y);
+        BitmapEntry {
+            bit_8x8_block: &mut self.bit_8x8_blocks[block_xy],
+            mask,
+        }
+    }
+
+    #[inline(always)]
+    pub fn cursor_at(&mut self, x: usize, y: usize) -> BitmapCursor<'_> {
+        let mut cursor = BitmapCursor {
+            bit_8x8_blocks: self.bit_8x8_blocks.cursor_at(0, 0),
+            intra_block_xy: (0, 0),
+        };
+        cursor.reset((x, y));
+        cursor
+    }
+}
+
+impl BitmapEntry<'_> {
+    #[inline(always)]
+    pub fn get(&self) -> bool {
+        (*self.bit_8x8_block & self.mask) != 0
+    }
+
+    #[inline(always)]
+    pub fn set(&mut self, value: bool) {
+        if value {
+            *self.bit_8x8_block |= self.mask;
+        } else {
+            *self.bit_8x8_block &= !self.mask;
+        }
+    }
+}
+
+// FIXME(eddyb) this doesn't really belong here, and should use GATs.
+pub trait NDCursor<'a, P> {
+    type RefMut;
+    fn reset(&'a mut self, position: P);
+    fn get_mut(&'a mut self) -> Self::RefMut;
+    fn advance(&'a mut self, delta: P);
+}
+
+pub trait NDCursorExt<P>: for<'a> NDCursor<'a, P> {
+    fn zip<C2: NDCursorExt<P>>(self, other: C2) -> NDCursorZip<Self, C2>
+    where
+        Self: Sized,
+    {
+        NDCursorZip(self, other)
+    }
+
+    // FIXME(eddyb) this is a really bad API but a whole coordinate system would be overkill.
+    fn map_abs_and_rel<P2, FA: Fn(P2) -> P, FR: Fn(P2) -> P>(
+        self,
+        fa: FA,
+        fr: FR,
+    ) -> NDCursorMapPos<Self, FA, FR>
+    where
+        Self: Sized,
+    {
+        NDCursorMapPos(self, fa, fr)
+    }
+}
+impl<P, C: for<'a> NDCursor<'a, P>> NDCursorExt<P> for C {}
+
+pub struct NDCursorZip<C1, C2>(C1, C2);
+impl<'a, P: Copy, C1: NDCursor<'a, P>, C2: NDCursor<'a, P>> NDCursor<'a, P>
+    for NDCursorZip<C1, C2>
+{
+    type RefMut = (C1::RefMut, C2::RefMut);
+    #[inline(always)]
+    fn reset(&'a mut self, position: P) {
+        self.0.reset(position);
+        self.1.reset(position);
+    }
+    #[inline(always)]
+    fn get_mut(&'a mut self) -> Self::RefMut {
+        (self.0.get_mut(), self.1.get_mut())
+    }
+    #[inline(always)]
+    fn advance(&'a mut self, delta: P) {
+        self.0.advance(delta);
+        self.1.advance(delta);
+    }
+}
+
+pub struct NDCursorMapPos<C, FA, FR>(C, FA, FR);
+impl<'a, C: NDCursor<'a, P>, P, P2, FA: Fn(P2) -> P, FR: Fn(P2) -> P> NDCursor<'a, P2>
+    for NDCursorMapPos<C, FA, FR>
+{
+    type RefMut = C::RefMut;
+    #[inline(always)]
+    fn reset(&'a mut self, position: P2) {
+        self.0.reset((self.1)(position));
+    }
+    #[inline(always)]
+    fn get_mut(&'a mut self) -> Self::RefMut {
+        self.0.get_mut()
+    }
+    #[inline(always)]
+    fn advance(&'a mut self, delta: P2) {
+        self.0.advance((self.2)(delta));
+    }
+}
+
+pub struct Image2dCursor<'a, T> {
+    // FIXME(eddyb) find a way to use something closer to `slice::IterMut` here.
+    image: Image2d<T, &'a mut [T]>,
+    xy_offset: usize,
+}
+
+impl<'a, T: 'a> NDCursor<'a, (usize, usize)> for Image2dCursor<'_, T> {
+    type RefMut = &'a mut T;
+    #[inline(always)]
+    fn reset(&'a mut self, (x, y): (usize, usize)) {
+        self.xy_offset = y * self.image.width + x;
+    }
+    #[inline(always)]
+    fn get_mut(&'a mut self) -> Self::RefMut {
+        &mut self.image.data[self.xy_offset]
+    }
+    #[inline(always)]
+    fn advance(&'a mut self, (dx, dy): (usize, usize)) {
+        // FIXME(eddyb) check for edge conditions? (should be more like an iterator)
+        self.xy_offset += dy * self.image.width + dx;
+    }
+}
+
+pub struct BitmapCursor<'a> {
+    bit_8x8_blocks: Image2dCursor<'a, u64>,
+    // FIXME(eddyb) because of this we can't just use `bit_8x8_block_xy_and_mask`.
+    intra_block_xy: (u8, u8),
+}
+
+impl<'a> NDCursor<'a, (usize, usize)> for BitmapCursor<'_> {
+    type RefMut = BitmapEntry<'a>;
+    #[inline(always)]
+    fn reset(&'a mut self, (x, y): (usize, usize)) {
+        self.bit_8x8_blocks.reset((x / Bitmap::BW, y / Bitmap::BH));
+        self.intra_block_xy = ((x % Bitmap::BW) as u8, (y % Bitmap::BH) as u8);
+    }
+    #[inline(always)]
+    fn get_mut(&'a mut self) -> Self::RefMut {
+        let bxy = self.intra_block_xy;
+        let (_, mask) = Bitmap::bit_8x8_block_xy_and_mask(bxy.0 as usize, bxy.1 as usize);
+        BitmapEntry {
+            bit_8x8_block: self.bit_8x8_blocks.get_mut(),
+            mask,
+        }
+    }
+    #[inline(always)]
+    fn advance(&'a mut self, (dx, dy): (usize, usize)) {
+        // FIXME(eddyb) check for edge conditions? (should be more like an iterator)
+        let bxy = self.intra_block_xy;
+        let new_bxy = (bxy.0 as usize + dx, bxy.1 as usize + dy);
+
+        let whole_block_dxy = (new_bxy.0 / Bitmap::BW, new_bxy.1 / Bitmap::BH);
+        if whole_block_dxy != (0, 0) {
+            self.bit_8x8_blocks.advance(whole_block_dxy);
+        }
+
+        self.intra_block_xy = (
+            (new_bxy.0 % Bitmap::BW) as u8,
+            (new_bxy.1 % Bitmap::BH) as u8,
+        );
+    }
+}

src/graphics/font/esdt/mod.rs

@@ -0,0 +1,5 @@
+mod esdt;
+mod img;
+
+pub use esdt::*;
+pub use img::{Image2d, Unorm8};

src/graphics/font/mod.rs

@@ -0,0 +1,364 @@
+mod esdt;
+use esdt::{Image2d, Unorm8};
+use glow::{HasContext, TEXTURE_2D};
+use std::{cell::RefCell, collections::HashMap};
+use text_items::Text as TextTrait;
+mod text_items;
+pub use text_items::{Anchor, LineStyle, PositionText, TextLine};
+
+use crate::{
+    components::{CodeType, Program, Shader},
+    errors::*,
+    font_manager::{FontManager, FontStyle},
+    shaders::font::{FontFragment, FontGeometry, FontVertex},
+    utils::resources::RcGlTexture,
+};
+
+use super::{transforms::viewport::Viewport, AttaWithBuffer, Config, Graphics};
+pub struct Text<'a> {
+    gl: &'a glow::Context,
+    font_manager: RefCell<FontManager>,
+    cache: RefCell<HashMap<String, Cache<'a>>>,
+    program: Program,
+}
+
+pub struct Cache<'a> {
+    gl: &'a glow::Context,
+    cache: HashMap<char, TextVType>,
+    width: usize,
+    height: usize,
+    last_pos: [usize; 2],
+    tex: RcGlTexture<'a>,
+}
+
+impl<'a> Cache<'a> {
+    pub fn new(gl: &'a glow::Context) -> Self {
+        let tex = unsafe {
+            let tex = gl.create_texture().unwrap();
+            gl.bind_texture(glow::TEXTURE_2D, Some(tex));
+            gl.tex_parameter_i32(
+                glow::TEXTURE_2D,
+                glow::TEXTURE_MIN_FILTER,
+                glow::LINEAR as i32,
+            );
+            gl.tex_parameter_i32(
+                glow::TEXTURE_2D,
+                glow::TEXTURE_MAG_FILTER,
+                glow::LINEAR as i32,
+            );
+
+            gl.tex_image_2d(
+                glow::TEXTURE_2D,
+                0,
+                glow::R8 as i32,
+                1024,
+                1024,
+                0,
+                glow::RED,
+                glow::UNSIGNED_BYTE,
+                None,
+            );
+            tex
+        };
+
+        Self {
+            gl,
+            cache: HashMap::new(),
+            // cache_tex: vec![0; 1024 * 1024],
+            width: 1024,
+            height: 1024,
+            last_pos: [0, 0],
+            tex: RcGlTexture::new(gl, tex),
+        }
+    }
+
+    fn get(&self, c: char) -> Option<&TextVType> {
+        self.cache.get(&c)
+    }
+
+    fn insert_glyph(&mut self, tex: Image2d<Unorm8>, c: char) -> &TextVType {
+        // use image::GrayImage;
+
+        use ndarray::{s, Array2};
+        let width = tex.width();
+        let height = tex.height();
+
+        let data: Array2<u8> = tex.into();
+
+        let x = self.last_pos[0];
+        let y = self.last_pos[1];
+
+        use glow::PixelUnpackData;
+
+        unsafe {
+            self.gl
+                .bind_texture(glow::TEXTURE_2D, Some(self.tex.native()));
+            self.gl.pixel_store_i32(glow::UNPACK_ALIGNMENT, 1);
+
+            self.gl.tex_sub_image_2d(
+                glow::TEXTURE_2D,
+                0,
+                x as i32,
+                y as i32,
+                width as i32,
+                height as i32,
+                glow::RED,
+                glow::UNSIGNED_BYTE,
+                PixelUnpackData::Slice(&data.as_slice().unwrap()),
+            );
+            println!("{} {} {} {}", x, y, width, height);
+            println!("size: {}", &data.len());
+            self.gl.bind_texture(glow::TEXTURE_2D, None);
+        }
+
+        self.cache.insert(
+            c,
+            TextVType {
+                // tex_coords: [
+                //     x as f32,
+                //     (y + height - 1) as f32,
+                //     (x + width - 1) as f32,
+                //     (y + height - 1) as f32,
+                //     (x + width - 1) as f32,
+                //     y as f32,
+                //     x as f32,
+                //     y as f32,
+                // ],
+                tex_coords: [
+                    x as f32,
+                    (y + height - 1) as f32,
+                    (x + width - 1) as f32,
+                    y as f32,
+                ],
+                // tex_coords: [0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0],
+            },
+        );
+        if x + width >= 1024 {
+            self.last_pos[0] = 0;
+            self.last_pos[1] += height;
+        } else {
+            self.last_pos[0] += width;
+        }
+
+        if y + height > self.height {
+            self.height += 1024;
+            // self.cache_tex.extend(vec![0; 1024 * 1024]);
+        }
+
+        self.cache.get(&c).unwrap()
+    }
+
+    fn test(&self) {
+        let mut data = vec![0; 1024 * 1024];
+        unsafe {
+            self.gl
+                .bind_texture(glow::TEXTURE_2D, Some(self.tex.native()));
+            self.gl.get_tex_image(
+                glow::TEXTURE_2D,
+                0,
+                glow::RED,
+                glow::UNSIGNED_BYTE,
+                glow::PixelPackData::Slice(&mut data),
+            );
+            self.gl.bind_texture(glow::TEXTURE_2D, None);
+        }
+        let img = image::GrayImage::from_raw(1024, 1024, data).unwrap();
+        img.save("test.png").unwrap();
+    }
+}
+
+#[derive(Clone)]
+pub struct TextVType {
+    tex_coords: [f32; 4],
+}
+
+impl TextVType {
+    fn left_top(&self) -> [f32; 2] {
+        [self.tex_coords[0], self.tex_coords[1]]
+    }
+
+    fn right_bottom(&self) -> [f32; 2] {
+        [self.tex_coords[2], self.tex_coords[3]]
+    }
+}
+
+impl<'a> Text<'a> {
+    pub fn new(gl: &'a glow::Context, font_manager: FontManager) -> Result<Self> {
+        let vertex = Shader::new(
+            glow::VERTEX_SHADER,
+            crate::components::CodeType::from_piece(FontVertex::new()),
+        )?;
+
+        let geom = Shader::new(
+            glow::GEOMETRY_SHADER,
+            crate::components::CodeType::from_piece(FontGeometry::new()),
+        )?;
+
+        let fragment = Shader::new(
+            glow::FRAGMENT_SHADER,
+            CodeType::from_piece(FontFragment::new()),
+        )?;
+
+        let mut program = Program::new(vertex, fragment, Some(geom), "330 core");
+
+        Ok(Self {
+            gl,
+            font_manager: RefCell::new(font_manager),
+            cache: RefCell::new(HashMap::new()),
+            program,
+        })
+    }
+
+    pub fn set_viewport(&self, viewport: [f32; 2]) {
+        let loc = self.program.get_uniform_location(&self.gl, "viewport");
+        unsafe {
+            self.gl
+                .uniform_2_f32(loc.as_ref(), viewport[0], viewport[1]);
+        }
+    }
+
+    pub fn set_config(&self, config: FontConfig) {
+        match config {
+            FontConfig::Textline(style, font) => {
+                let loc = self.program.get_uniform_location(&self.gl, "location");
+                let anchor = self.program.get_uniform_location(&self.gl, "anchor");
+                unsafe {
+                    self.gl.uniform_3_f32(loc.as_ref(), 0.0, 0.0, 1.0);
+                    self.gl.uniform_3_f32(anchor.as_ref(), 0.0, 0.0, 0.0);
+                }
+            }
+        }
+    }
+
+    fn set_uniforms(&self) {
+        let conf = self.program.get_uniform_location(&self.gl, "uSdfConfig");
+        let u_mode = self.program.get_uniform_location(&self.gl, "uMode");
+        let u_border = self.program.get_uniform_location(&self.gl, "uBorder");
+        let u_stroke = self.program.get_uniform_location(&self.gl, "uStroke");
+        let u_fill = self.program.get_uniform_location(&self.gl, "uFill");
+
+        unsafe {
+            self.gl.uniform_4_f32(conf.as_ref(), 5.0, 3.0, 0.0, 0.0);
+            self.gl.uniform_1_i32(u_mode.as_ref(), -1);
+            self.gl.uniform_4_f32(u_border.as_ref(), 0.0, 0.0, 0.0, 0.0);
+            self.gl.uniform_4_f32(u_stroke.as_ref(), 1.0, 1.0, 1.0, 1.0);
+            self.gl.uniform_4_f32(u_fill.as_ref(), 1.0, 1.0, 1.0, 1.0);
+        }
+    }
+}
+
+impl<'a> Graphics for Text<'a> {
+    const id: &'static str = "Text";
+    type Config = FontConfig;
+    fn compile(&mut self, gl: &glow::Context) -> Result<()> {
+        self.program.compile(gl)
+    }
+
+    fn destroy(&mut self, gl: &glow::Context) -> Result<()> {
+        self.program.destroy(gl);
+        Ok(())
+    }
+
+    fn draw(&self, gl: &glow::Context, count: i32) -> Result<()> {
+        unsafe {
+            let loc = self.program.get_uniform_location(gl, "atlas_data");
+            gl.uniform_1_i32(loc.as_ref(), 0);
+
+            gl.active_texture(glow::TEXTURE0);
+            gl.bind_texture(
+                glow::TEXTURE_2D,
+                self.cache
+                    .borrow()
+                    .get("resources/Roboto-Regular.ttf")
+                    .map(|v| v.tex.native()),
+            );
+
+            let width_loc = self.program.get_uniform_location(gl, "atlas_shape");
+            gl.uniform_2_f32(width_loc.as_ref(), 1024.0, 1024.0);
+
+            self.set_uniforms();
+
+            gl.draw_arrays(glow::POINTS, 0, count);
+        }
+        Ok(())
+    }
+
+    fn program_mut(&mut self) -> &mut Program {
+        &mut self.program
+    }
+
+    fn program_ref(&self) -> &Program {
+        &self.program
+    }
+
+    fn set_config(&mut self, gl: &glow::Context, config: &Self::Config) -> Result<()> {
+        unsafe {
+            match config {
+                FontConfig::Textline(style, font) => {
+                    let loc = self.program.get_uniform_location(gl, "location");
+                    let anchor = self.program.get_uniform_location(gl, "anchor");
+                    gl.uniform_3_f32(loc.as_ref(), 0.0, 0.0, 2.0);
+                    gl.uniform_3_f32(anchor.as_ref(), 0.0, 0.0, 0.0);
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+impl<'a> AttaWithBuffer for Text<'a> {
+    type Data = PositionText;
+
+    fn bake(
+        &self,
+        data: &Self::Data,
+        config: &<Self as Graphics>::Config,
+    ) -> Result<(Vec<f32>, Option<Vec<u32>>, i32)> {
+        let v = data.bake(
+            &self.gl,
+            &mut *self.font_manager.borrow_mut(),
+            &mut *self.cache.borrow_mut(),
+        )?;
+
+        Ok((v.vertex(), None, v.len() as i32))
+    }
+
+    fn init(
+        &self,
+        gl: &glow::Context,
+    ) -> (
+        glow::NativeVertexArray,
+        glow::NativeBuffer,
+        Option<glow::NativeBuffer>,
+    ) {
+        unsafe {
+            let vao = gl.create_vertex_array().unwrap();
+            gl.bind_vertex_array(Some(vao));
+            let vbo = gl.create_buffer().unwrap();
+            gl.bind_buffer(glow::ARRAY_BUFFER, Some(vbo));
+            gl.enable_vertex_attrib_array(0);
+            gl.vertex_attrib_pointer_f32(0, 4, glow::FLOAT, false, 48, 0);
+
+            gl.enable_vertex_attrib_array(1);
+            gl.vertex_attrib_pointer_f32(1, 4, glow::FLOAT, false, 48, 16);
+
+            gl.bind_vertex_array(None);
+            gl.bind_buffer(glow::ARRAY_BUFFER, None);
+
+            (vao, vbo, None)
+        }
+    }
+}
+
+#[derive(Clone, Debug)]
+pub enum FontConfig {
+    Textline(LineStyle, FontStyle),
+}
+
+mod test {
+    #[test]
+    fn test() {
+        use super::*;
+        let mut font_manager = FontManager::new().unwrap();
+    }
+}

src/graphics/font/text_items.rs

@@ -0,0 +1,260 @@
+use super::esdt::{Image2d, Params, Unorm8};
+use super::TextVType;
+use super::{esdt::glyph_to_sdf, Cache};
+use crate::components::merge_includes;
+use crate::font_manager::{CharImg, FontManager, FontSize};
+use crate::{errors::*, font_manager::FontStyle};
+use bytemuck::{Pod, Zeroable};
+use geo::kernels;
+use std::collections::HashMap;
+
+const SDF_PARAM: Params = Params {
+    radius: 5.0,
+    pad: 4,
+    cutoff: 0.25,
+    solidify: true,
+    preprocess: false,
+};
+
+#[derive(Debug, Default, Clone)]
+pub struct LineStyle {
+    line_height: f32,
+    line_spacing: f32,
+}
+
+#[derive(Clone)]
+pub struct PositionText {
+    item: TextLine,
+    position: [f32; 3],
+    anchor: Anchor,
+}
+
+impl PositionText {
+    pub fn new(item: TextLine, position: [f32; 3], anchor: Anchor) -> Self {
+        Self {
+            item,
+            position,
+            anchor,
+        }
+    }
+}
+
+impl Text for PositionText {
+    fn bake<'a>(
+        &self,
+        gl: &'a glow::Context,
+        font_manager: &mut FontManager,
+        cache: &mut HashMap<String, Cache<'a>>,
+    ) -> Result<TextVertexArray> {
+        self.item.bake(gl, font_manager, cache)
+    }
+}
+
+#[derive(Clone)]
+pub struct TextLine {
+    text: String,
+    font_style: FontStyle,
+    line_style: LineStyle,
+}
+
+impl TextLine {
+    pub fn new<P: Into<String>>(
+        text: P,
+        font_style: Option<FontStyle>,
+        line_style: Option<LineStyle>,
+    ) -> Self {
+        Self {
+            text: text.into(),
+            font_style: font_style.unwrap_or_default(),
+            line_style: line_style.unwrap_or_default(),
+        }
+    }
+}
+
+#[derive(Clone, Copy)]
+pub enum Anchor {
+    TopLeft,
+    TopCenter,
+    TopRight,
+    CenterLeft,
+    Center,
+    CenterRight,
+    BottomLeft,
+    BottomCenter,
+    BottomRight,
+}
+
+#[derive(Clone, Copy)]
+pub enum TextAlign {
+    Left,
+    Center,
+    Right,
+}
+
+impl Default for TextAlign {
+    fn default() -> Self {
+        Self::Left
+    }
+}
+
+#[repr(C)]
+#[derive(Clone, Copy, Zeroable, Pod)]
+pub struct TextVertexItem {
+    tex_coords: [f32; 4],
+    position: [f32; 4],
+}
+
+pub struct TextVertexArray {
+    points: Vec<TextVertexItem>,
+}
+
+impl TextVertexArray {
+    pub fn new() -> Self {
+        Self {
+            points: Vec::with_capacity(30),
+        }
+    }
+
+    pub fn len(&self) -> usize {
+        self.points.len()
+    }
+
+    pub fn push(&mut self, item: TextVertexItem) {
+        self.points.push(item);
+    }
+
+    pub fn insert_text(&mut self, tex_coords: TextVType, position: [f32; 2], size: [f32; 2]) {
+        let tex_left_top = tex_coords.left_top();
+        let tex_right_bottom = tex_coords.right_bottom();
+
+        self.push(TextVertexItem {
+            position: [position[0], position[1], size[0], size[1]],
+            tex_coords: [
+                tex_left_top[0],
+                tex_left_top[1],
+                tex_right_bottom[0],
+                tex_right_bottom[1],
+            ],
+        });
+    }
+    pub fn vertex(&self) -> Vec<f32> {
+        let mut result = Vec::with_capacity(self.len() * 8);
+        self.points.iter().for_each(|v| {
+            result.extend_from_slice(&v.tex_coords);
+            result.extend_from_slice(&v.position);
+        });
+        result
+    }
+
+    pub fn to_bits(&self) -> &[u8] {
+        bytemuck::cast_slice(&self.points)
+    }
+}
+
+pub trait Text: Sized {
+    fn bake<'a>(
+        &self,
+        gl: &'a glow::Context,
+        font_manager: &mut FontManager,
+        cache: &mut HashMap<String, Cache<'a>>,
+    ) -> Result<TextVertexArray>;
+}
+
+impl Text for TextLine {
+    fn bake<'a>(
+        &self,
+        gl: &'a glow::Context,
+        font_manager: &mut FontManager,
+        cache: &mut HashMap<String, Cache<'a>>,
+    ) -> Result<TextVertexArray> {
+        let font_style = &self.font_style;
+
+        let font = font_manager.get_font_or_insert(&font_style.postscript_name);
+
+        if let Some(font) = font {
+            cache
+                .entry(font_style.postscript_name.clone())
+                .or_insert_with(|| Cache::new(&gl));
+
+            let cache = cache.get_mut(&font_style.postscript_name).unwrap();
+            let mut baked = TextVertexArray::new();
+            let mut pen = [0.0, 0.0];
+
+            let mut prev: Option<char> = None;
+
+            for char in self.text.chars() {
+                if char == '\n' {
+                    break;
+                }
+
+                if char == ' ' {
+                    pen[0] += 10.0;
+                    continue;
+                }
+
+                let font_size = match &font_style.size {
+                    FontSize::Absolute(s) => *s,
+                    FontSize::DistanceScale(_) => panic!(""),
+                    FontSize::WindowScale(_) => panic!(""),
+                };
+
+                font.set_char_size(font_size.floor() as isize);
+                font.set_char(char);
+
+                let (x_advanced, y_advanced) = font.get_advance();
+                let (x_kerning, _) = prev.map_or((0.0, 0.0), |v| {
+                    let kerning = font.get_kerning(v, char);
+                    kerning
+                });
+
+                let metrics = font.get_metrics(char);
+                let width = (metrics.width >> 6) as f32;
+                let height = (metrics.height >> 6) as f32;
+
+                let bear_x = (metrics.horiBearingX >> 6) as f32;
+                let bear_y = (metrics.horiBearingY >> 6) as f32;
+
+                let x0 = pen[0] + bear_x as f32 + x_kerning;
+                let y0 = pen[1] - bear_y as f32;
+                let x1 = pen[0] + metrics.width as f32 + x_kerning;
+                let y1 = pen[1] + metrics.height as f32;
+
+                if let Some(cache) = cache.get(char) {
+                    baked.insert_text(cache.to_owned(), [x0, y0], [width, height]);
+                } else {
+                    let char_glyph = font.get_char(char, 64)?;
+                    let mut img = char_glyph.into();
+                    let (result, _) = glyph_to_sdf(&mut img, SDF_PARAM, None);
+                    let b = cache.insert_glyph(result, char);
+                    baked.insert_text(b.to_owned(), [x0, y0], [width, height]);
+                }
+
+                pen[0] += x_advanced;
+                pen[1] += y_advanced;
+                prev = Some(char);
+            }
+            Ok(baked)
+        } else {
+            Err(Error::FontError(format!(
+                "Font {} not found",
+                font_style.postscript_name
+            )))
+        }
+    }
+}
+
+impl From<CharImg> for Image2d<Unorm8> {
+    fn from(value: CharImg) -> Self {
+        // let img = Image2d::new(value.width() as u32, value.height() as u32, value.pixels);
+        let img = Image2d::from_storage(
+            value.width(),
+            value.height(),
+            value
+                .pixels()
+                .iter()
+                .map(|v| Unorm8::from_bits(*v))
+                .collect(),
+        );
+        img
+    }
+}

src/graphics/hello.rs

@@ -1,33 +1,27 @@
 use std::ops::{Deref, DerefMut};
 
-use bytemuck::{Pod, Zeroable};
+use bytemuck::{cast_slice, Pod, Zeroable};
 use glow::{HasContext, NativeBuffer, NativeVertexArray};
 
 use crate::components::{fetchcode, CodeComponent, CodeType, Program, Shader, Snippet};
 use crate::errors::*;
-use crate::graphics::transforms::viewport::Viewport;
-use crate::graphics::transforms::Transform;
 use crate::graphics::ty::Ty;
 use crate::graphics::Graphics;
 
+use super::{AttaWithBuffer, Config};
+
 pub struct Hello {
     program: Program,
     buffer: Vec<Point>,
 
     vao: Option<NativeVertexArray>,
+    vbo: Option<NativeBuffer>,
 }
 
 impl Hello {
     pub fn new() -> Result<Self> {
-        let vertex = Shader::new(
-            glow::VERTEX_SHADER,
-            CodeType::<String>::Path("hello.vert".into()),
-        )?;
-
-        let fragment = Shader::new(
-            glow::FRAGMENT_SHADER,
-            CodeType::<String>::Path("hello.frag".into()),
-        )?;
+        let vertex = Shader::new(glow::VERTEX_SHADER, CodeType::from_path("hello.vert"))?;
+        let fragment = Shader::new(glow::FRAGMENT_SHADER, CodeType::from_path("hello.frag"))?;
 
         let program = Program::new(vertex, fragment, None, "330 core");
 
@@ -38,6 +32,7 @@ impl Hello {
             program,
             buffer: Vec::with_capacity(128),
             vao: None,
+            vbo: None,
         })
     }
 
@@ -51,6 +46,8 @@ impl Hello {
 }
 
 impl Graphics for Hello {
+    const id: &'static str = "Hello";
+    type Config = ();
     fn compile(&mut self, gl: &glow::Context) -> Result<()> {
         self.program.compile(gl)?;
         unsafe {
@@ -58,19 +55,46 @@ impl Graphics for Hello {
                 .create_vertex_array()
                 .expect("Cannot create vertex array");
 
+            let buffer: Vec<[f32; 3]> = vec![
+                [-0.5, -0.5, 0.0],
+                [-0.5, 0.5, 0.0],
+                [0.5, 0.5, 0.0],
+                [0.5, -0.5, 0.0],
+            ];
+
+            gl.bind_vertex_array(Some(vertex_array));
+
+            let vbo = gl.create_buffer().unwrap();
+
+            gl.bind_buffer(glow::ARRAY_BUFFER, Some(vbo));
+            gl.buffer_data_u8_slice(glow::ARRAY_BUFFER, cast_slice(&buffer), glow::STATIC_DRAW);
+            gl.enable_vertex_attrib_array(0);
+            gl.vertex_attrib_pointer_f32(0, 3, glow::FLOAT, false, 12, 0);
+
+            let ebo = gl.create_buffer().unwrap();
+            // let e: [[u32; 3]; 2] = [[0, 1, 3], [0, 2, 3]];
+            let e: [[u32; 3]; 2] = [[0, 1, 2], [2, 3, 0]];
+            gl.bind_buffer(glow::ELEMENT_ARRAY_BUFFER, Some(ebo));
+            gl.buffer_data_u8_slice(
+                glow::ELEMENT_ARRAY_BUFFER,
+                cast_slice(&e),
+                glow::STATIC_DRAW,
+            );
+
             self.vao = Some(vertex_array);
+            self.vbo = Some(vbo);
         }
 
         Ok(())
     }
 
-    fn draw(&self, gl: &glow::Context) -> Result<()> {
+    fn draw(&self, gl: &glow::Context, count: i32) -> Result<()> {
         unsafe {
             gl.clear_color(0.05, 0.05, 0.1, 1.0);
             gl.clear(glow::COLOR_BUFFER_BIT);
-            gl.use_program(Some(self.program.native_program.unwrap()));
             gl.bind_vertex_array(self.vao);
-            gl.draw_arrays(glow::TRIANGLES, 0, 3);
+
+            gl.draw_elements(glow::TRIANGLES, 6, glow::UNSIGNED_INT, 0);
         }
 
         Ok(())
@@ -80,11 +104,55 @@ impl Graphics for Hello {
         self.program.destroy(gl);
 
         unsafe {
+            self.vbo.map(|vbo| gl.delete_buffer(vbo));
             self.vao.map(|vao| gl.delete_vertex_array(vao));
         }
 
         Ok(())
     }
+
+    fn program_ref(&self) -> &Program {
+        &self.program
+    }
+
+    fn program_mut(&mut self) -> &mut Program {
+        &mut self.program
+    }
+
+    fn set_config(&mut self, gl: &glow::Context, config: &()) -> Result<()> {
+        Ok(())
+    }
+
+    fn mount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(self.program.native_program);
+        }
+
+        Ok(())
+    }
+
+    fn unmount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(None);
+        }
+        Ok(())
+    }
+}
+
+impl AttaWithBuffer for Hello {
+    type Data = ();
+
+    fn bake(
+        &self,
+        data: &Self::Data,
+        config: &<Self as Graphics>::Config,
+    ) -> Result<(Vec<f32>, Option<Vec<u32>>, i32)> {
+        return Ok((vec![], None, 0));
+    }
+
+    fn init(&self, gl: &glow::Context) -> (NativeVertexArray, NativeBuffer, Option<NativeBuffer>) {
+        panic!("Not implemented");
+    }
 }
 
 #[repr(C)]
@@ -209,8 +277,6 @@ impl DerefMut for Path {
 
 mod test {
 
-    use crate::graphics::transforms::{polar::Polar, position::Position, trackball::Trackball};
-
     use super::*;
 
     #[test]

src/graphics/mod.rs

@@ -1,36 +1,149 @@
 pub mod collections;
 pub mod colormap;
 mod colormesh;
+pub mod font;
 pub mod hello;
+pub mod plane;
 pub mod ppi;
+pub mod threed;
 pub mod tools;
 pub mod transforms;
 pub mod ty;
-use crate::{components::Program, errors::*};
 
-pub use colormesh::ColorMesh;
-use imgui::TextureId;
+use crate::{
+    camera::Camera,
+    components::Program,
+    errors::*,
+    graphics::font::FontConfig,
+    pg::layout_type::ViewPort,
+    ui::{operation::Projection, typ::CameraOP},
+};
+
+use glow::{HasContext, NativeBuffer, NativeVertexArray};
+use ppi::PPIConfig;
 
 pub trait Graphics {
-    fn draw(&self, gl: &glow::Context) -> Result<()>;
+    const id: &'static str;
+    type Config;
+
+    fn draw(&self, gl: &glow::Context, count: i32) -> Result<()>;
 
     fn compile(&mut self, gl: &glow::Context) -> Result<()>;
 
     fn destroy(&mut self, gl: &glow::Context) -> Result<()>;
+
+    fn program_ref(&self) -> &Program;
+
+    fn program_mut(&mut self) -> &mut Program;
+
+    fn mount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(self.program_ref().native_program.clone());
+        }
+
+        Ok(())
+    }
+
+    fn unmount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(None);
+        }
+
+        Ok(())
+    }
+
+    fn set_config(&mut self, gl: &glow::Context, config: &Self::Config) -> Result<()>;
 }
 
 pub trait AttaWithProgram {
     fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result<()>;
 }
 
-pub trait AttaWithBuffer {
+pub trait AttaWithBuffer: Graphics {
     type Data;
-    fn attach_with_buffer(&mut self, gl: &glow::Context, data: &Self::Data) -> Result<()>;
+
+    fn bake(
+        &self,
+        data: &Self::Data,
+        config: &<Self as Graphics>::Config,
+    ) -> Result<(Vec<f32>, Option<Vec<u32>>, i32)>;
+    fn init(&self, gl: &glow::Context) -> (NativeVertexArray, NativeBuffer, Option<NativeBuffer>);
+}
+
+macro_rules! config_for_everyitem {
+    ($({$conf:ty => $name:tt},)+) => {
+        $(
+            impl From<$conf> for Config {
+                fn from(value: $conf) -> Self {
+                    Self::$name(value)
+                }
+            }
+
+            impl From<Config> for $conf {
+                fn from(value: Config) -> Self {
+                    if let Config::$name(value) = value {
+                        value
+                    } else {
+                        panic!("error transfer");
+                    }
+                }
+            }
+
+            impl<'a> From<&'a Config> for &'a $conf {
+                fn from(value: &'a Config) -> &'a $conf {
+                    if let Config::$name(value) = value {
+                        &value
+                    } else {
+                        panic!("error transfer");
+                    }
+                }
             }
 
 
-pub trait AttaWithWindow {
-
-    fn attach_with_window(&mut self, gl: &glow::Context) -> Result<TextureId>;
+        )+
 
+        impl From<()> for Config {
+            fn from(_: ()) -> Self {
+                Self::None
+            }
+        }
+
+    };
+}
+
+#[derive(Debug, Clone)]
+pub enum Config {
+    PPI(PPIConfig),
+    Font(FontConfig),
+    None,
+}
+
+config_for_everyitem!({PPIConfig => PPI},{FontConfig => Font}, );
+
+pub trait AttachWithIO {
+    type State: CameraOP;
+    fn attach_with_mouse(
+        &mut self,
+        state: &Self::State,
+        camera: &mut Camera,
+        projection: &mut Projection,
+        viewport: &ViewPort,
+    ) -> bool;
+
+    fn reset(&mut self);
+
+    fn init_camera(&self) -> Camera;
+}
+
+#[derive(Debug, Clone)]
+pub enum MouseState {
+    Drag { from: [f32; 2], delta: [f32; 2] },
+    Wheel(f32),
+    None,
+}
+
+#[derive(Debug, Clone)]
+pub struct MouseKeyboardState {
+    pub mouse_state: MouseState,
+    pub keyboard_state: [bool; 652],
 }

src/graphics/plane.rs

@@ -0,0 +1,7 @@
+pub struct Plane {}
+
+impl Plane {
+    pub fn new() -> Self {
+        Self {}
+    }
+}

src/graphics/ppi.rs

@@ -1,133 +1,64 @@
-use std::cell::RefCell;
-use std::rc::Rc;
-
-use bytemuck::cast_slice;
-use glow::{HasContext, NativeBuffer, NativeFramebuffer, NativeTexture, NativeVertexArray};
-use ndarray::{s, IndexLonger};
-
-use crate::components::{CodeType, Program, Shader, Snippet};
-use crate::data_loader::{CoordType, Data, DataType};
-use crate::errors::*;
-
 use super::colormap::ColorMap;
 use super::transforms::viewport::Viewport;
-use super::transforms::Transform;
-use super::{ty, AttaWithBuffer, AttaWithWindow, Graphics};
+use super::{transforms, AttaWithBuffer, AttaWithProgram, AttachWithIO, Config, Graphics};
+use crate::components::{CodeType, Program, Shader};
+use crate::data_loader::{CoordType, Data, DataType};
+use crate::errors::*;
+use crate::graphics::colormap::linear::LinearColormap;
+use glow::{HasContext, NativeBuffer, NativeVertexArray};
 
 pub struct PPI {
     program: Program,
-    layer: isize,
-    vao: Option<NativeVertexArray>,
-    vbo: Option<NativeBuffer>,
-
-    cmap: Option<Box<dyn ColorMap>>,
-
-    framebuffer: Option<NativeFramebuffer>,
-    frametexture: Option<NativeTexture>,
-    buffer: Vec<[f32; 3]>,
+    cmap: LinearColormap,
 }
 
 impl PPI {
     pub fn new() -> Result<Self> {
-        let vertex = Shader::new(
-            glow::VERTEX_SHADER,
-            CodeType::<String>::Path("ppi.vert".into()),
-        )?;
-
-        let geom = Shader::new(
-            glow::GEOMETRY_SHADER,
-            CodeType::<String>::Path("ppi.geom".into()),
-        )?;
-
+        use crate::shaders::ppi::*;
+        let vertex = Shader::new(glow::VERTEX_SHADER, CodeType::from_piece(PPIVertex::new()))?;
+        let geom = Shader::new(glow::GEOMETRY_SHADER, CodeType::from_piece(PPIGeom::new()))?;
         let fragment = Shader::new(
             glow::FRAGMENT_SHADER,
-            CodeType::<String>::Path("ppi.frag".into()),
+            CodeType::from_piece(PPIFragment::new()),
         )?;
+        let mut cmap = LinearColormap::new()?;
+        let mut program = Program::new(vertex, fragment, Some(geom), "330 core");
 
-        let program = Program::new(vertex, fragment, Some(geom), "330 core");
-
-        Ok(Self {
-            program,
-            layer: 0,
-            vao: None,
-            vbo: None,
-            buffer: Vec::with_capacity(180 * 50),
-            framebuffer: None,
-            frametexture: None,
-            cmap: None,
-        })
-    }
-
-    pub fn set_transform<T: Transform>(&mut self, transform: &T) {
-        self.program.set_transform(transform);
-    }
-
-    pub fn set_viewport(&mut self, viewport: &Viewport) {
-        self.program.set_viewport(viewport);
-    }
-
-    pub fn set_colormap(&mut self, colormap: Box<dyn ColorMap>) {
-        self.program.set_hook("colormap", colormap.snippet_ref());
-        self.cmap = Some(colormap);
+        Ok(Self { program, cmap })
     }
 
     pub fn program(&mut self) -> &mut Program {
         &mut self.program
     }
 
-    fn set_conf(&self, gl: &glow::Context, dpir: f32, dpie: f32) {
+    fn set_conf(&mut self, gl: &glow::Context, config: &PPIConfig) {
+        let rdpi = config.rdpi;
+        let adpi = config.adpi;
         let location = self.program.get_uniform_location(gl, "conf");
+        self.cmap
+            .set_range(config.color_range[0], config.color_range[1]);
+        self.cmap.set_colors(config.colors.clone());
+        self.cmap.set_unvalid_value(config.unvalid_value);
+        self.cmap.attach_with_program(gl, &self.program);
+
         unsafe {
-            gl.uniform_4_f32(location.as_ref(), dpir, dpie, 0f32, 0f32);
+            gl.uniform_4_f32(
+                location.as_ref(),
+                rdpi,
+                adpi,
+                0f32,
+                if config.three_d { 1.0 } else { 0.0 },
+            );
         }
     }
 
-    pub fn add_ppi_layer(&mut self, layer: isize) {
-        self.layer = self.layer + layer;
-        self.layer.clamp(0, 23);
-    }
-
-    pub fn program_ref(&self) -> &Program {
-        &self.program
-    }
-
-    fn bake_data(&self, data: &Data) -> Result<Vec<[f32; 3]>> {
-        let first_block = data.blocks.get(0).unwrap();
-        let first_block_data = first_block.data.view();
-        if let CoordType::Polar {
-            r_range,
-            azimuth,
-            r,
-            ..
-        } = &first_block.coord_type
-        {
-            let azimuth_len = azimuth.len();
-            let r_len = r.len();
-
-            let mut vertices = Vec::with_capacity(azimuth_len * r_len);
-
-            for azi_idx in 0..azimuth_len {
-                for r_idx in 0..r_len {
-                    let azi = azimuth.get(azi_idx).unwrap();
-                    let r = r.get(r_idx).unwrap() / r_range[1] as f32;
-                    let dt = first_block_data
-                        .get([self.layer as usize, azi_idx, r_idx])
-                        .unwrap();
-                    vertices.push([r, *azi, *dt]);
-                }
-            }
-            return Ok(vertices);
-        } else {
-            return Err(Error::InvalidDataType);
-        }
-    }
-
-    fn data_info(&self, data: &Data) -> Result<(f32, f32, DataType)> {
+    pub fn data_info(&self, data: &Data) -> Result<(f32, f32, DataType, usize, f32)> {
         let first_block = data.blocks.get(0).unwrap();
         if let CoordType::Polar {
             azimuth,
             r,
             r_range,
+            elevation,
             ..
         } = &first_block.coord_type
         {
@@ -135,11 +66,29 @@ impl PPI {
             sorted_azimuth.sort_by(|a, b| a.partial_cmp(b).unwrap_or(std::cmp::Ordering::Greater));
             let azi_step = max_step(&sorted_azimuth);
             let r_step = min_step(r) / (r_range[1]) as f32;
-            return Ok((r_step, azi_step, first_block.data_type));
+
+            let unvalid = first_block.unvalid_value;
+
+            return Ok((
+                r_step,
+                azi_step,
+                first_block.data_type,
+                elevation.len(),
+                unvalid,
+            ));
         } else {
             return Err(Error::InvalidDataType);
         }
     }
+
+    fn init(&mut self, gl: &glow::Context, config: &PPIConfig) {
+        self.set_conf(gl, config);
+        self.cmap.attach_with_program(gl, &self.program).unwrap();
+        let origin = self.program.get_uniform_location(gl, "polar_origin");
+        unsafe {
+            gl.uniform_1_f32(origin.as_ref(), 90.0f32.to_radians());
+        }
+    }
 }
 
 fn min_step(data: &Vec<f32>) -> f32 {
@@ -171,86 +120,49 @@ fn max_step(data: &Vec<f32>) -> f32 {
 }
 
 impl Graphics for PPI {
+    const id: &'static str = "PPI";
+    type Config = PPIConfig;
     fn compile(&mut self, gl: &glow::Context) -> Result<()> {
         self.program.compile(gl)?;
-        self.cmap
-            .as_mut()
-            .unwrap()
-            .attach_with_program(gl, &self.program)?;
-        unsafe {
-            let vao = gl.create_vertex_array().unwrap();
-            gl.bind_vertex_array(Some(vao));
-            let vbo = gl.create_buffer().unwrap();
-            gl.bind_buffer(glow::ARRAY_BUFFER, Some(vbo));
-            gl.enable_vertex_attrib_array(0);
-            gl.vertex_attrib_pointer_f32(0, 3, glow::FLOAT, false, 12, 0);
-
-            self.vao = Some(vao);
-            self.vbo = Some(vbo);
-            gl.bind_vertex_array(None);
-        }
-
-        // let location = self.program.get_uniform_location(gl, "conf");
-        let origin = self.program.get_uniform_location(gl, "polar_origin");
-
-        unsafe {
-            // gl.uniform_4_f32(location.as_ref(), dpir, dpie, 0.0, 0.0);
-            gl.uniform_1_f32(origin.as_ref(), 90.0f32.to_radians());
-        }
-
         Ok(())
     }
 
     fn destroy(&mut self, gl: &glow::Context) -> Result<()> {
         self.program.destroy(gl);
 
-        unsafe {
-            self.vao.map(|vao| gl.delete_vertex_array(vao));
-            self.vbo.map(|vbo| gl.delete_buffer(vbo));
-            self.framebuffer.map(|fb| gl.delete_framebuffer(fb));
-            self.frametexture.map(|ft| gl.delete_texture(ft));
-            self.cmap.as_mut().unwrap().destroy(gl);
-        }
-
         Ok(())
     }
 
-    fn draw(&self, gl: &glow::Context) -> Result<()> {
+    fn draw(&self, gl: &glow::Context, count: i32) -> Result<()> {
         unsafe {
-            gl.clear(glow::COLOR_BUFFER_BIT);
-            gl.use_program(Some(self.program.native_program.unwrap()));
-            self.cmap
-                .as_ref()
-                .unwrap()
-                .bind_texture(gl, &self.program)?;
-
-            if self.framebuffer.is_some() {
-                gl.bind_framebuffer(glow::FRAMEBUFFER, self.framebuffer);
+            self.cmap.bind_texture(gl, &self.program)?;
+            gl.draw_arrays(glow::POINTS, 0, count);
+        }
+        Ok(())
     }
 
-            gl.depth_mask(false);
-            gl.bind_vertex_array(Some(self.vao.unwrap()));
-            gl.draw_arrays(glow::POINTS, 0, self.buffer.len() as i32);
-            gl.depth_mask(true);
-
-            if self.framebuffer.is_some() {
-                gl.framebuffer_texture_2d(
-                    glow::FRAMEBUFFER,
-                    glow::COLOR_ATTACHMENT0,
-                    glow::TEXTURE_2D,
-                    self.frametexture,
-                    0,
-                );
-
-                assert_eq!(
-                    gl.check_framebuffer_status(glow::FRAMEBUFFER),
-                    glow::FRAMEBUFFER_COMPLETE
-                );
-                gl.bind_texture(glow::TEXTURE_2D, None);
-                gl.bind_framebuffer(glow::FRAMEBUFFER, None);
+    fn program_ref(&self) -> &Program {
+        &self.program
     }
 
-            gl.bind_vertex_array(None);
+    fn program_mut(&mut self) -> &mut Program {
+        &mut self.program
+    }
+
+    fn set_config(&mut self, gl: &glow::Context, config: &Self::Config) -> Result<()> {
+        self.init(gl, config);
+        Ok(())
+    }
+
+    fn mount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
+            gl.use_program(self.program.native_program);
+        }
+        Ok(())
+    }
+
+    fn unmount(&mut self, gl: &glow::Context) -> Result<()> {
+        unsafe {
             gl.use_program(None);
         }
         Ok(())
@@ -260,68 +172,69 @@ impl Graphics for PPI {
 impl AttaWithBuffer for PPI {
     type Data = Data;
 
-    fn attach_with_buffer(&mut self, gl: &glow::Context, data: &Self::Data) -> Result<()> {
-        let (rdpi, adpi, data_type) = self.data_info(data)?;
-        let baked_buffer = self.bake_data(data)?;
-        self.buffer = baked_buffer;
-        unsafe {
-            gl.use_program(self.program.native_program);
-            self.set_conf(gl, rdpi, adpi);
-            gl.bind_vertex_array(self.vao);
-            gl.buffer_data_u8_slice(
-                glow::ARRAY_BUFFER,
-                cast_slice(&self.buffer),
-                glow::STATIC_DRAW,
-            );
-        }
+    fn bake(
+        &self,
+        data: &Self::Data,
+        config: &<Self as Graphics>::Config,
+    ) -> Result<(Vec<f32>, Option<Vec<u32>>, i32)> {
+        let layer = config.layer;
+        let first_block = data.blocks.get(0).unwrap();
+        let first_block_data = first_block.data.view();
+        if let CoordType::Polar {
+            r_range,
+            azimuth,
+            elevation,
+            r,
+            ..
+        } = &first_block.coord_type
+        {
+            let azimuth_len = azimuth.len();
+            let r_len = r.len();
 
-        Ok(())
+            let mut vertices = Vec::with_capacity(azimuth_len * r_len);
+            let ele = elevation.get(layer).unwrap();
+
+            for azi_idx in 0..azimuth_len {
+                for r_idx in 0..r_len {
+                    let azi = azimuth.get(azi_idx).unwrap();
+                    let r = r.get(r_idx).unwrap() / r_range[1] as f32;
+                    // let r = *r.get(r_idx).unwrap();
+                    let dt = first_block_data.get([layer, azi_idx, r_idx]).unwrap();
+                    vertices.extend([r, *azi, *ele, *dt]);
                 }
             }
-
-impl AttaWithWindow for PPI {
-    fn attach_with_window(&mut self, gl: &glow::Context) -> Result<imgui::TextureId> {
-        unsafe {
-            if self.framebuffer.is_none() {
-                let framebuffer = gl.create_framebuffer().unwrap();
-                gl.bind_framebuffer(glow::FRAMEBUFFER, Some(framebuffer));
-
-                let texture = gl.create_texture().unwrap();
-
-                gl.bind_texture(glow::TEXTURE_2D, Some(texture));
-                gl.tex_image_2d(
-                    glow::TEXTURE_2D,
-                    0,
-                    glow::RGB8 as i32,
-                    800,
-                    600,
-                    0,
-                    glow::RGB,
-                    glow::UNSIGNED_BYTE,
-                    None,
-                );
-                gl.tex_parameter_i32(
-                    glow::TEXTURE_2D,
-                    glow::TEXTURE_MIN_FILTER,
-                    glow::LINEAR as i32,
-                );
-                gl.tex_parameter_i32(
-                    glow::TEXTURE_2D,
-                    glow::TEXTURE_MAG_FILTER,
-                    glow::LINEAR as i32,
-                );
-
-                gl.bind_framebuffer(glow::FRAMEBUFFER, None);
-                gl.bind_texture(glow::TEXTURE_2D, None);
-                self.frametexture = Some(texture);
-                Ok(imgui::TextureId::from(texture.0.get() as usize))
+            let len = vertices.len() as i32 / 4;
+            return Ok((vertices, None, len));
         } else {
-                Ok(imgui::TextureId::from(
-                    self.frametexture.unwrap().0.get() as usize
-                ))
+            return Err(Error::InvalidDataType);
+        }
+    }
+
+    fn init(&self, gl: &glow::Context) -> (NativeVertexArray, NativeBuffer, Option<NativeBuffer>) {
+        unsafe {
+            let vao = gl.create_vertex_array().unwrap();
+            gl.bind_vertex_array(Some(vao));
+            let vbo = gl.create_buffer().unwrap();
+            gl.bind_buffer(glow::ARRAY_BUFFER, Some(vbo));
+            gl.enable_vertex_attrib_array(0);
+            gl.vertex_attrib_pointer_f32(0, 4, glow::FLOAT, false, 16, 0);
+            gl.bind_vertex_array(None);
+            gl.bind_buffer(glow::ARRAY_BUFFER, None);
+
+            (vao, vbo, None)
         }
     }
 }
+
+#[derive(Default, Clone, Debug)]
+pub struct PPIConfig {
+    pub unvalid_value: f32,
+    pub layer: usize,
+    pub colors: Vec<[u8; 4]>,
+    pub color_range: [f32; 2],
+    pub rdpi: f32,
+    pub adpi: f32,
+    pub three_d: bool,
 }
 
 mod test {

src/graphics/threed.rs

@@ -0,0 +1,77 @@
+use std::rc::Rc;
+use tracker::track;
+
+use super::transforms::{position::Position, trackball::TrackballModel};
+use super::{AttaWithProgram, AttachWithIO};
+use crate::camera::{self, Camera};
+use crate::errors::*;
+use crate::pg::layout_type::ViewPort;
+use crate::ui::operation::Projection;
+use glow::HasContext;
+use nalgebra_glm::{Mat4, Vec3};
+
+#[derive(Clone)]
+pub struct Trackball {
+    trackball: TrackballModel,
+}
+
+impl Trackball {
+    pub fn new(aspect: f32, z_near: f32, z_far: f32, fov: f32) -> Result<Self> {
+        let trackball = TrackballModel::new(0.0, 90.0, 20.0);
+
+        Ok(Self { trackball })
+    }
+}
+
+impl Default for Trackball {
+    fn default() -> Self {
+        Self::new(16.0 / 9.0, 0.1, 1000.0, 45.0).unwrap()
+    }
+}
+
+impl AttaWithProgram for Trackball {
+    fn attach_with_program(
+        &self,
+        gl: &glow::Context,
+        program: &crate::components::Program,
+    ) -> Result<()> {
+        self.trackball.attach_with_program(gl, program);
+        Ok(())
+    }
+}
+
+impl AttachWithIO for Trackball {
+    type State = super::MouseState;
+    fn attach_with_mouse(
+        &mut self,
+        state: &Self::State,
+        camera: &mut Camera,
+        projection: &mut Projection,
+        viewport: &ViewPort,
+    ) -> bool {
+        match state {
+            &super::MouseState::Wheel(delta) => {
+                projection.set_fov((projection.fov() - delta).clamp(15.0, 120.0));
+                true
+            }
+            super::MouseState::Drag { from, delta } => {
+                self.trackball.drag_to(from[0], from[1], delta[0], delta[1]);
+                true
+            }
+            _ => false,
+        }
+    }
+
+    fn reset(&mut self) {
+        self.trackball.set_phi(90.0);
+        self.trackball.set_theta(0.0);
+    }
+
+    fn init_camera(&self) -> Camera {
+        Camera::new(
+            Vec3::new(0.0, 30.0, 10.0),
+            Vec3::new(0.0, 1.0, 0.0),
+            Vec3::new(0.0, 0.0, 0.0),
+        )
+    }
+}

src/graphics/tools/mod.rs

@@ -0,0 +1 @@
+

src/graphics/transforms/mod.rs

@@ -1,3 +1,4 @@
+pub mod plane;
 pub mod polar;
 pub mod position;
 pub mod trackball;
@@ -6,59 +7,56 @@ use crate::components::{Program, Snippet};
 
 use super::AttaWithProgram;
 
-pub struct ChainedTransform {
-    snippet: Snippet,
-    chain: Vec<Box<dyn Transform>>,
-}
+// pub struct ChainedTransform {
+//     snippet: Snippet,
+//     chain: Vec<Box<dyn Transform>>,
+// }
 
-impl ChainedTransform {
-    pub fn from<T: Transform + 'static>(transform: T) -> Self {
-        let snippet = transform.snippet().clone();
-        // let snippet = transform.snippet().to_owned();
-        Self {
-            snippet,
-            chain: vec![Box::new(transform)],
-        }
-    }
+// impl ChainedTransform {
+//     pub fn from<T: Transform + Clone + 'static>(transform: &T) -> Self {
+//         let snippet = transform.snippet().clone();
+//         // let snippet = transform.snippet().to_owned();
+//         Self {
+//             snippet,
+//             chain: vec![Box::new(transform.clone())],
+//         }
+//     }
 
-    pub fn chain(mut self, other: impl Transform + 'static) -> Self {
-        let new_snippet = self.snippet.clone().chain(other.snippet().to_owned());
-        self.snippet = new_snippet;
-        self.chain.push(Box::new(other));
-        self
-    }
-}
+//     pub fn chain<P: Transform + 'static + Clone>(mut self, other: &P) -> Self {
+//         let new_snippet = self.snippet.clone().chain(other.snippet().to_owned());
+//         self.snippet = new_snippet;
+//         self.chain.push(Box::new(other.clone()));
+//         self
+//     }
+// }
 
-impl Transform for ChainedTransform {
-    fn snippet(&self) -> &Snippet {
-        &self.snippet
-    }
-}
+// impl Transform for ChainedTransform {
+//     fn snippet(&self) -> &Snippet {
+//         &self.snippet
+//     }
+// }
 
-impl AttaWithProgram for ChainedTransform {
-    fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> super::Result<()> {
-        for transform in &self.chain {
-            transform.attach_with_program(gl, program)?;
-        }
+// impl AttaWithProgram for ChainedTransform {
+//     fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> super::Result<()> {
+//         for transform in &self.chain {
+//             transform.attach_with_program(gl, program)?;
+//         }
 
-        Ok(())
-    }
-}
-pub trait Transform: AttaWithProgram {
-    fn snippet(&self) -> &Snippet;
-}
+//         Ok(())
+//     }
+// }
 
-mod test {
-    use super::*;
+// mod test {
+//     use super::*;
 
-    #[test]
-    fn test_transform() {
-        let polar = polar::Polar::new().unwrap();
-        // let trackball = trackball::Trackball::new().unwrap();
+//     #[test]
+//     fn test_transform() {
+//         let polar = polar::Polar::new().unwrap();
+//         // let trackball = trackball::Trackball::new().unwrap();
 
-        // let chained = ChainedTransform::from(polar).chain(trackball);
+//         // let chained = ChainedTransform::from(polar).chain(trackball);
 
-        // println!("{}", chained.snippet().prepare_code());
-        // println!("{}", chained.snippet().call(&vec![]).unwrap());
-    }
-}
+//         // println!("{}", chained.snippet().prepare_code());
+//         // println!("{}", chained.snippet().call(&vec![]).unwrap());
+//     }
+// }

src/graphics/transforms/plane.rs

@@ -0,0 +1,125 @@
+use crate::components::{CodeType, Program, Snippet};
+use crate::errors::Result;
+use crate::graphics::{AttaWithProgram, AttachWithIO, MouseKeyboardState, MouseState};
+use crate::pg::layout_type::ViewPort;
+use crate::ui::operation::Projection;
+
+use glow::HasContext;
+use nalgebra::{Matrix4, Quaternion, Translation3, Unit, UnitQuaternion, Vector3};
+use nalgebra_glm::vec3;
+use serde::de;
+
+use super::trackball::{self, TrackballModel};
+use super::viewport;
+
+#[derive(Debug, Clone)]
+pub struct PlaneTrans {
+    trackball: TrackballModel,
+}
+
+impl PlaneTrans {
+    fn translate(
+        &self,
+        projection: &Projection,
+        camera: &mut crate::camera::Camera,
+        delta: &[f32; 2],
+        viewport_size: &[f32; 2],
+    ) {
+        let watch_vec = camera.front();
+        let fov = projection.fov().to_radians();
+        let aspect = projection.aspect();
+
+        // Z_near
+        let z_distance = camera.front().norm().abs();
+
+        let h = 2.0 * z_distance * (fov / 2.0).tan();
+        let w = h * aspect;
+
+        let move_width = (delta[0] * w) / viewport_size[0];
+        let move_height = (delta[1] * h) / viewport_size[1];
+
+        let up = camera.get_upward();
+        let right = watch_vec.cross(&up).normalize();
+        let _move = move_width * right + move_height * up;
+        camera.set_position(camera.get_position() - _move);
+        camera.set_center(camera.get_center() - _move);
+    }
+}
+
+impl AttachWithIO for PlaneTrans {
+    type State = MouseKeyboardState;
+
+    fn attach_with_mouse(
+        &mut self,
+        state: &Self::State,
+        camera: &mut crate::camera::Camera,
+        projection: &mut crate::ui::operation::Projection,
+        viewport: &ViewPort,
+    ) -> bool {
+        let viewport_size = viewport.size();
+        let shift_key = state.keyboard_state[imgui::Key::LeftShift as usize];
+        let ctrl_key = state.keyboard_state[imgui::Key::LeftCtrl as usize];
+
+        match &state.mouse_state {
+            MouseState::Drag { from, delta } => {
+                if shift_key {
+                    self.trackball.drag_to(
+                        from[0] - viewport_size[0] / 2.0,
+                        from[1] - viewport_size[1] / 2.0,
+                        0.0,
+                        -delta[1],
+                    );
+                } else if ctrl_key {
+                    self.trackball.drag_to(
+                        from[0] - viewport_size[0] / 2.0,
+                        from[1] - viewport_size[1] / 2.0,
+                        -delta[0],
+                        0.0,
+                    );
+                } else if shift_key && ctrl_key {
+                    self.trackball.drag_to(
+                        from[0] - viewport_size[0] / 2.0,
+                        from[1] - viewport_size[1] / 2.0,
+                        -delta[0],
+                        -delta[1],
+                    )
+                } else {
+                    self.translate(projection, camera, delta, &viewport_size);
+                }
+                true
+            }
+            MouseState::Wheel(delta) => {
+                projection.set_fov((projection.fov() - delta).clamp(15.0, 120.0));
+                true
+            }
+            _ => false,
+        }
+    }
+
+    fn init_camera(&self) -> crate::camera::Camera {
+        crate::camera::Camera::new(
+            vec3(0.0, 0.0, 20.0),
+            vec3(0.0, 1.0, 0.0),
+            vec3(0.0, 0.0, 0.0),
+        )
+    }
+
+    fn reset(&mut self) {}
+}
+
+impl AttaWithProgram for PlaneTrans {
+    fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result<()> {
+        unsafe {
+            let loc = program.get_uniform_location(gl, "trackball_model");
+            self.trackball.attach_with_program(gl, program)?;
+        }
+        Ok(())
+    }
+}
+
+impl Default for PlaneTrans {
+    fn default() -> Self {
+        let trackball = TrackballModel::new(0.0, 0.0, 200.0);
+        Self { trackball }
+    }
+}

src/graphics/transforms/polar.rs

@@ -4,8 +4,6 @@ use crate::{
     graphics::AttaWithProgram,
 };
 
-use super::Transform;
-
 pub struct Polar {
     snippet: Snippet,
     origin: f32,
@@ -15,7 +13,7 @@ impl Polar {
     pub fn new() -> Result<Self> {
         let snippets = Snippet::new(
             "polar",
-            CodeType::<&'static str>::Path("transform/polar.glsl".into()),
+            CodeType::from_path("transform/polar.glsl"),
             true,
             Some("forward".to_string()),
         )?;
@@ -27,12 +25,6 @@ impl Polar {
     }
 }
 
-impl Transform for Polar {
-    fn snippet(&self) -> &Snippet {
-        &self.snippet
-    }
-}
-
 impl AttaWithProgram for Polar {
     fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result<()> {
         Ok(())

src/graphics/transforms/position.rs

@@ -1,9 +1,9 @@
-use super::Transform;
 use crate::{
     components::{CodeType, Program, Snippet},
     errors::*,
     graphics::AttaWithProgram,
 };
+#[derive(Debug, Clone)]
 pub struct Position {
     snippet: Snippet,
 }
@@ -12,8 +12,8 @@ impl Position {
     pub fn new() -> Result<Self> {
         let snippets = Snippet::new(
             "position",
-            CodeType::<&'static str>::Path("transform/position.glsl".into()),
-            true,
+            CodeType::from_path("transform/position.glsl"),
+            false,
             None,
         )?;
 
@@ -21,12 +21,6 @@ impl Position {
     }
 }
 
-impl Transform for Position {
-    fn snippet(&self) -> &Snippet {
-        &self.snippet
-    }
-}
-
 impl AttaWithProgram for Position {
     fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result<()> {
         Ok(())

src/graphics/transforms/trackball.rs

@@ -2,11 +2,10 @@ use crate::components::{CodeType, Program, Snippet};
 use crate::errors::Result;
 use crate::graphics::AttaWithProgram;
 
-use super::Transform;
-
 use glow::HasContext;
 use nalgebra::{Matrix4, Quaternion, Translation3, Unit, UnitQuaternion, Vector3};
 
+#[derive(Debug, Clone)]
 pub struct TrackballModel {
     rotation: UnitQuaternion<f32>,
     count: usize,
@@ -20,13 +19,13 @@ pub struct TrackballModel {
 }
 
 impl TrackballModel {
-    pub fn new(theta: f32, phi: f32) -> Self {
+    pub fn new(phi: f32, theta: f32, range: f32) -> Self {
         let mut trackball = Self {
             rotation: UnitQuaternion::identity(),
             count: 0,
             model: Matrix4::identity(),
             renorm_count: 97,
-            trackball_size: 0.8,
+            trackball_size: range,
             x: 0.0,
             y: 0.0,
             theta,
@@ -36,6 +35,17 @@ impl TrackballModel {
         trackball
     }
 
+    pub fn rotate_z(&mut self, angle: f32) {
+        let q = UnitQuaternion::from_axis_angle(&Vector3::z_axis(), angle);
+        self.rotation *= q;
+        self.count += 1;
+        if self.count > self.renorm_count {
+            self.rotation = UnitQuaternion::new_normalize(*self.rotation.clone());
+            self.count = 0;
+        }
+        self.model = self.rotation.to_homogeneous();
+    }
+
     pub fn drag_to(&mut self, x: f32, y: f32, dx: f32, dy: f32) {
         let q = self.rotate(x, y, dx, dy);
         self.rotation *= q;
@@ -47,11 +57,11 @@ impl TrackballModel {
         self.model = self.rotation.to_homogeneous();
     }
 
-    pub fn model(&self) -> &Matrix4<f32> {
+    fn model(&self) -> &Matrix4<f32> {
         &self.model
     }
 
-    pub fn theta(&self) -> f32 {
+    fn theta(&self) -> f32 {
         self.theta
     }
 
@@ -59,7 +69,7 @@ impl TrackballModel {
         self.set_orientation(theta % 360.0, self.phi % 360.0);
     }
 
-    pub fn phi(&self) -> f32 {
+    fn phi(&self) -> f32 {
         self.phi
     }
 
@@ -82,12 +92,12 @@ impl TrackballModel {
         self.theta = theta;
         self.phi = phi;
 
-        let angle = self.theta * (std::f32::consts::PI / 180.0);
+        let angle = self.theta.to_radians();
         let sine = (0.5 * angle).sin();
         let xrot =
             UnitQuaternion::from_quaternion(Quaternion::new((0.5 * angle).cos(), sine, 0.0, 0.0));
 
-        let angle = self.phi * (std::f32::consts::PI / 180.0);
+        let angle = self.phi.to_radians();
         let sine = (0.5 * angle).sin();
         let zrot =
             UnitQuaternion::from_quaternion(Quaternion::new((0.5 * angle).cos(), 0.0, 0.0, sine));
@@ -128,126 +138,44 @@ impl TrackballModel {
     }
 }
 
-pub struct Trackball {
-    snippet: Snippet,
+// impl Trackball {
+//     pub fn new() -> Result<Self> {
+//         let model = TrackballModel::new(0.0, 0.0);
 
-    znear: f32,
-    zfar: f32,
-    zoom: f32,
-    aspect: f32,
-    model: TrackballModel,
+//         Ok(Self { model })
+//     }
 
-    projection: nalgebra_glm::Mat4x4,
-    view: nalgebra::Matrix4<f32>,
-}
+//     pub fn on_mouse_drag(&mut self, x: f32, y: f32, dx: f32, dy: f32) {
+//         self.model.drag_to(x, y, dx, dy);
+//     }
 
-impl Trackball {
-    pub fn new() -> Result<Self> {
-        let snippets = Snippet::new(
-            "trackball",
-            CodeType::<&'static str>::Path("transform/trackball.glsl".into()),
-            true,
-            None,
-        )?;
-
-        let model = TrackballModel::new(45.0, 45.0);
-
-        let aspect = 1.0;
-        let fovy = 45.0;
-        let near = 2.0;
-        let far = 1000.0;
-
-        let projection = nalgebra_glm::perspective(aspect, fovy, near, far);
-
-        let mut view: Matrix4<f32> = Matrix4::identity();
-
-        let distance: f32 = 8.0;
-
-        let translation = Translation3::new(0.0, 0.0, -distance.abs());
-        view = translation.to_homogeneous() * view;
-
-        Ok(Self {
-            snippet: snippets,
-            znear: near,
-            zfar: far,
-            zoom: fovy,
-            aspect,
-            model,
-            projection,
-            view,
-        })
-    }
-
-    pub fn on_mouse_drag(
-        &mut self,
-        gl: &glow::Context,
-        program: &mut Program,
-        x: f32,
-        y: f32,
-        dx: f32,
-        dy: f32,
-    ) {
-        self.model.drag_to(x, y, dx, dy);
-        unsafe {
-            let model = self.snippet.find_symbol("trackball_model").unwrap();
-            let l = program.get_uniform_location(gl, &model);
-            gl.uniform_matrix_4_f32_slice(l.as_ref(), false, self.model.model().as_slice());
-        }
-    }
-
-    pub fn on_mouse_scroll(
-        &mut self,
-        gl: &glow::Context,
-        program: &mut Program,
-        x: f32,
-        y: f32,
-        dz: f32,
-    ) {
-        self.zoom += dz;
-        self.projection = nalgebra_glm::perspective(self.aspect, self.zoom, self.znear, self.zfar);
-        unsafe {
-            let model = self.snippet.find_symbol("trackball_projection").unwrap();
-            let l = program.get_uniform_location(gl, &model);
-            gl.uniform_matrix_4_f32_slice(l.as_ref(), false, self.model.model().as_slice());
-        }
-    }
+//     pub fn model(&self) -> &Matrix4<f32> {
+//         self.model.model()
+//     }
+// }
 
+impl AttaWithProgram for TrackballModel {
     fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result<()> {
         unsafe {
-            let model = self.snippet.find_symbol("trackball_model").unwrap();
-            let l = program.get_uniform_location(gl, &model);
-            gl.uniform_matrix_4_f32_slice(l.as_ref(), false, self.model.model().as_slice());
-
-            let projection = self.snippet.find_symbol("trackball_projection").unwrap();
-            let l = program.get_uniform_location(gl, &projection);
-            gl.uniform_matrix_4_f32_slice(l.as_ref(), false, self.projection.as_slice());
-
-            let view = self.snippet.find_symbol("trackball_view").unwrap();
-            let l = program.get_uniform_location(gl, &view);
-            gl.uniform_matrix_4_f32_slice(l.as_ref(), false, self.view.as_slice());
+            let l = program.get_uniform_location(gl, "trackball_model");
+            gl.uniform_matrix_4_f32_slice(l.as_ref(), false, self.model().as_slice());
         }
 
         Ok(())
     }
 }
 
-impl Transform for Trackball {
-    fn snippet(&self) -> &Snippet {
-        &self.snippet
-    }
-}
-
-impl AttaWithProgram for Trackball {
-    fn attach_with_program(&self, gl: &glow::Context, program: &Program) -> Result<()> {
-        self.attach_with_program(gl, program)
-    }
-}
-
 mod test {
     use super::*;
 
     #[test]
     fn test_trackball() {
+        let mut trackball = TrackballModel::new(45.0, 45.0, 20.0);
+        println!("{:?}", trackball.model());
+
+        trackball.drag_to(0.0, 10.0, 15.0, 30.0);
+        println!("{:?}", trackball.model());
+
         // let trackball = Trackball::new().unwrap();
         // println!("{}", trackball.snippet);
     }

src/graphics/transforms/viewport.rs

@@ -16,7 +16,7 @@ impl Viewport {
     pub fn new() -> Result<Self> {
         let snippets = Snippet::new(
             "viewport",
-            CodeType::<&'static str>::Path("transform/viewport.glsl".into()),
+            CodeType::from_path("transform/viewport.glsl"),
             true,
             None,
         )?;

src/main.rs

@@ -1,83 +1,32 @@
-use std::cell::RefCell;
-use std::rc::Rc;
-
-use data_loader::Data;
-use graphics::colormap::linear::LinearColormap;
-use graphics::ppi::PPI;
-use graphics::transforms::position::Position;
-use graphics::transforms::viewport::Viewport;
-use graphics::{AttaWithBuffer, Graphics, AttaWithWindow};
-use imgui::Condition;
-
+#![feature(proc_macro_hygiene)]
+#![allow(unused)]
 mod camera;
 mod components;
 mod data_loader;
 mod errors;
+mod font_manager;
 mod graphics;
+mod pg;
+mod setting;
+mod shaders;
 mod support;
+mod ui;
 mod utils;
-use imgui::*;
 
-mod final_pg;
+use pg::App;
+use support::supporter::run;
+use rust_embed::RustEmbed;
+
+
+#[derive(RustEmbed)]
+#[folder = "resources/"]
+pub struct Asset;
+
+use once_cell::sync::Lazy;
+static SETTING: Lazy<setting::Setting> = Lazy::new(|| setting::Setting::new());
+
 
 fn main() {
     env_logger::init();
-
-    let transform = Position::new().unwrap();
-    let mut viewport = Viewport::new().unwrap();
-    viewport.set_global(0.0, 0.0, 600.0, 800.0);
-
-    let mut cmap = LinearColormap::new().unwrap();
-
-    cmap.set_colors(vec![
-        [170, 170, 170, 255],
-        [0, 34, 255, 255],
-        [1, 160, 246, 255],
-        [0, 236, 236, 255],
-        [0, 216, 0, 255],
-        [1, 144, 0, 255],
-        [255, 255, 0, 255],
-        [231, 192, 0, 255],
-        [255, 144, 0, 255],
-        [255, 0, 0, 255],
-        [214, 0, 0, 255],
-        [192, 0, 0, 255],
-        [255, 0, 240, 255],
-        [150, 0, 180, 255],
-    ]);
-
-    cmap.set_range(0.0, 70.0);
-
-    let mut ppi = PPI::new().unwrap();
-    ppi.set_transform(&transform);
-    ppi.set_viewport(&viewport);
-    ppi.set_colormap(Box::new(cmap));
-
-    let ppi = Rc::new(RefCell::new(ppi));
-
-    let registers = vec![ppi.clone()];
-    let registers = registers.into_iter().map(|r| {
-        r as Rc<RefCell<dyn Graphics>>
-    }).collect();
-
-
-    support::supporter::init(move |run, ui, window, gl| {
-        let mut ppi = ppi.borrow_mut();
-        let texture = ppi.attach_with_window(gl).unwrap();
-
-        ui.window("test").build(||{
-            if ui.button("load") {
-                let data = Data::from_path(r#"C:\Users\qwin7\Downloads\ZJSXAA_20230113070200_R.dat.gz"#).unwrap();
-                ppi.attach_with_buffer(gl, &data).unwrap();
-            }
-        });
-
-        ui.window("Test").size([200.0,400.0], imgui::Condition::FirstUseEver).build(|| {
-            imgui::Image::new(texture, [200.0, 400.0]).build(ui);
-        });
-
-        
-    }, 
-    registers,
-);
+    run(move |gl, helper| App::new(gl, helper).unwrap());
 }

src/pg/app.rs

@@ -0,0 +1,110 @@
+use log::*;
+use std::{cell::RefCell, path::PathBuf, rc::Rc};
+
+use crate::{
+    data_loader::Data,
+    errors::*,
+    graphics::{
+        colormap::linear::LinearColormap, ppi::PPI, threed::Trackball, AttaWithBuffer,
+        AttaWithProgram, Graphics,
+    },
+    ui::{
+        helper::{self, Helper},
+        State, GUI,
+    },
+    utils::{
+        cache::{Cache, CachedData},
+        resources::{
+            ManagedResource, RcGlBuffer, RcGlFramebuffer, RcGlRcFramebuffer, RcGlRcRenderbuffer,
+            RcGlRcResource, RcGlRenderbuffer, RcGlResource, RcGlVertexArray, GL,
+        },
+    },
+};
+use glow::HasContext;
+use imgui::Ui;
+
+use super::layout_type::{self, Layout};
+use super::{ModulePackage, Programs};
+use crate::{font_manager::FontManager, graphics::font::Text};
+
+pub struct App<'gl> {
+    gl: &'gl GL,
+    context: Context<'gl>,
+    gui: GUI,
+    layout: Layout<'gl>,
+}
+
+impl<'gl> App<'gl> {
+    pub fn new(gl: &'gl GL, helper: Helper) -> Result<Self> {
+        let programs = Programs::new(gl).unwrap();
+        let mut default_state = State::default();
+        let mut gui = GUI::new(State::default());
+        let layout = gui.layout(gl);
+        let context = Context::new(gl, Cache::new(), helper, programs);
+        Ok(Self {
+            gui,
+            gl,
+            context,
+            layout,
+        })
+    }
+
+    pub fn prepare(&mut self) {
+        if let Err(e) = self.context.programs.prepare() {
+            error!("prepare failed: {:?}", e);
+        }
+    }
+
+    fn gl(&self) -> &GL {
+        &self.context.gl
+    }
+
+    fn datapool(&mut self) -> &mut Cache<PathBuf, CachedData<Data>> {
+        &mut self.context.datapool
+    }
+
+    pub fn render<'a>(&'a mut self) {
+        if let Err(e) = self.layout.launch_render_task(&mut self.context) {
+            error!("draw_program failed: {:?}", e);
+        }
+    }
+
+    pub fn render_ui<'a>(&'a mut self, ui: &Ui, window: &winit::window::Window, run: &mut bool) {
+        *run = self.gui.render(ui, &mut self.context, &mut self.layout);
+    }
+
+    pub fn destroy(&mut self) {
+        self.context.programs.destroy().unwrap();
+    }
+    pub fn resize(&mut self, size: [f32; 2]) {}
+}
+
+pub struct Context<'gl> {
+    pub gl: &'gl GL,
+    pub helper: Helper,
+    pub programs: Programs<'gl>,
+    pub datapool: Cache<PathBuf, CachedData<Data>>,
+}
+
+impl<'gl> Context<'gl> {
+    fn new(
+        gl: &'gl GL,
+        datapool: Cache<PathBuf, CachedData<Data>>,
+        helper: Helper,
+        programs: Programs<'gl>,
+    ) -> Self {
+        let context = Context {
+            helper,
+            datapool,
+            programs,
+            gl,
+        };
+        context
+    }
+
+    pub fn load_data<P: Into<PathBuf>>(&mut self, path: P) -> Result<ModulePackage<'gl>> {
+        let data = self.datapool.get_or_insert(path.into())?;
+        let module_cursor = self.programs.load_data(data)?;
+        Ok(module_cursor)
+    }
+}

src/pg/layout_type.rs

@@ -0,0 +1,241 @@
+use crate::graphics::ty;
+use crate::pg::{Context, ModulePackage};
+use crate::ui::typ::{LayoutAttach, MainLoadAttach};
+use crate::utils::resources::{
+    ManagedResource, RcGlRcFramebuffer, RcGlRcRenderbuffer, RcGlRcResource, Resource, GL,
+};
+use crate::{errors::*, main};
+use glow::{HasContext, NativeRenderbuffer, NativeTexture};
+
+const RBO_WIDTH: i32 = 3840;
+const RBO_HEIGHT: i32 = 2160;
+
+// App Layout Type
+macro_rules! impl_layout {
+    ($({$name:ident => $attach:ty}),+ $(,)?) => {
+        pub enum Layout<'gl> {
+            $(
+                $name($attach),
+            )+
+        }
+
+        impl<'gl> Layout<'gl> {
+            pub fn launch_render_task(&mut self, mut context: &mut Context<'gl>) -> Result<()>
+            {
+                let programs = &mut context.programs;
+                let gl = programs.gl;
+                let helper = &mut context.helper;
+
+                match self {
+                    $(
+                        Self::$name(typ) => {
+                            typ.render_task(gl, programs, helper)?;
+                        }
+                    )+
+                }
+                Ok(())
+            }
+
+            pub fn append_package(&mut self, package: ModulePackage<'gl>) {
+                match self {
+                    $(
+                        Self::$name(typ) => {
+                            typ.append(package);
+                        }
+                    )+
+                }
+            }
+
+        }
+    };
+}
+
+pub struct ViewPort<T: Resource = NativeRenderbuffer> {
+    renderer_size: [f32; 2],
+    main_fbo: RcGlRcFramebuffer,
+    _main_rbo: RcGlRcResource<T>,
+    _main_depth_rbo: RcGlRcRenderbuffer,
+}
+
+impl<T: Resource> ViewPort<T> {
+    pub fn bind(&self, gl: &glow::Context) {
+        self.main_fbo.bind(glow::FRAMEBUFFER);
+        unsafe {
+            gl.viewport(
+                0,
+                0,
+                self.renderer_size[0] as i32,
+                self.renderer_size[1] as i32,
+            );
+        }
+    }
+
+    pub fn unbind(&self) {
+        self.main_fbo.unbind(glow::FRAMEBUFFER);
+    }
+
+    pub fn set_size(&mut self, size: [f32; 2]) -> bool {
+        if size != self.renderer_size {
+            self.renderer_size = size;
+            true
+        } else {
+            false
+        }
+    }
+
+    pub fn fbo(&self) -> &RcGlRcFramebuffer {
+        &self.main_fbo
+    }
+
+    pub fn size(&self) -> [f32; 2] {
+        self.renderer_size
+    }
+}
+
+impl ViewPort<NativeTexture> {
+    pub fn new(gl: &GL, depth: bool) -> Self {
+        let main_fbo: RcGlRcFramebuffer = gl.create_resource_rc();
+        let main_rbo: RcGlRcResource<NativeTexture> = gl.create_resource_rc();
+        let main_depth_rbo: RcGlRcRenderbuffer = gl.create_resource_rc();
+
+        main_fbo.bind(glow::FRAMEBUFFER);
+
+        unsafe {
+            // Color Attachment
+            gl.active_texture(glow::TEXTURE0);
+            main_rbo.bind(glow::TEXTURE_2D);
+            gl.tex_image_2d(
+                glow::TEXTURE_2D,
+                0,
+                glow::RGBA8 as i32,
+                RBO_WIDTH,
+                RBO_HEIGHT,
+                0,
+                glow::RGBA,
+                glow::UNSIGNED_BYTE,
+                None,
+            );
+
+            gl.tex_parameter_i32(
+                glow::TEXTURE_2D,
+                glow::TEXTURE_MIN_FILTER,
+                glow::LINEAR as i32,
+            );
+            gl.tex_parameter_i32(
+                glow::TEXTURE_2D,
+                glow::TEXTURE_MAG_FILTER,
+                glow::LINEAR as i32,
+            );
+
+            gl.framebuffer_texture_2d(
+                glow::FRAMEBUFFER,
+                glow::COLOR_ATTACHMENT0,
+                glow::TEXTURE_2D,
+                Some(main_rbo.native()),
+                0,
+            );
+
+            if depth {
+                // Depth Attachment
+                main_depth_rbo.bind(glow::RENDERBUFFER);
+                gl.renderbuffer_storage(
+                    glow::RENDERBUFFER,
+                    glow::DEPTH_COMPONENT24,
+                    RBO_WIDTH,
+                    RBO_HEIGHT,
+                );
+
+                gl.framebuffer_renderbuffer(
+                    glow::FRAMEBUFFER,
+                    glow::DEPTH_ATTACHMENT,
+                    glow::RENDERBUFFER,
+                    Some(main_depth_rbo.native()),
+                );
+                main_depth_rbo.unbind(glow::RENDERBUFFER);
+                gl.enable(glow::DEPTH_TEST);
+            }
+
+            gl.clear_color(0.0, 0.0, 0.0, 0.0);
+            gl.clear(glow::COLOR_BUFFER_BIT);
+            // 检查帧缓冲是否完整
+            if gl.check_framebuffer_status(glow::FRAMEBUFFER) != glow::FRAMEBUFFER_COMPLETE {
+                panic!("Framebuffer is not complete!");
+            }
+        }
+        main_fbo.unbind(glow::FRAMEBUFFER);
+
+        Self {
+            renderer_size: [0.0, 0.0],
+            main_fbo,
+            _main_rbo: main_rbo,
+            _main_depth_rbo: main_depth_rbo,
+        }
+    }
+
+    pub fn texture(&self) -> &RcGlRcResource<NativeTexture> {
+        &self._main_rbo
+    }
+}
+
+impl ViewPort<NativeRenderbuffer> {
+    pub fn new(gl: &GL, depth: bool) -> Self {
+        let main_fbo: RcGlRcFramebuffer = gl.create_resource_rc();
+        let main_rbo: RcGlRcRenderbuffer = gl.create_resource_rc();
+        let main_depth_rbo: RcGlRcRenderbuffer = gl.create_resource_rc();
+
+        main_fbo.bind(glow::FRAMEBUFFER);
+
+        unsafe {
+            // Color Attachment
+            main_rbo.bind(glow::RENDERBUFFER);
+            gl.renderbuffer_storage(glow::RENDERBUFFER, glow::RGBA8, RBO_WIDTH, RBO_HEIGHT);
+            gl.framebuffer_renderbuffer(
+                glow::FRAMEBUFFER,
+                glow::COLOR_ATTACHMENT0,
+                glow::RENDERBUFFER,
+                Some(main_rbo.native()),
+            );
+            main_rbo.unbind(glow::RENDERBUFFER);
+
+            if depth {
+                // Depth Attachment
+                main_depth_rbo.bind(glow::RENDERBUFFER);
+                gl.renderbuffer_storage(
+                    glow::RENDERBUFFER,
+                    glow::DEPTH_COMPONENT24,
+                    RBO_WIDTH,
+                    RBO_HEIGHT,
+                );
+
+                gl.framebuffer_renderbuffer(
+                    glow::FRAMEBUFFER,
+                    glow::DEPTH_ATTACHMENT,
+                    glow::RENDERBUFFER,
+                    Some(main_depth_rbo.native()),
+                );
+                main_depth_rbo.unbind(glow::RENDERBUFFER);
+
+                gl.enable(glow::DEPTH_TEST);
+            }
+
+            gl.clear_color(0.0, 0.0, 0.0, 0.0);
+            gl.clear(glow::COLOR_BUFFER_BIT);
+            // 检查帧缓冲是否完整
+            if gl.check_framebuffer_status(glow::FRAMEBUFFER) != glow::FRAMEBUFFER_COMPLETE {
+                panic!("Framebuffer is not complete!");
+            }
+        }
+        main_fbo.unbind(glow::FRAMEBUFFER);
+
+        Self {
+            renderer_size: [0.0, 0.0],
+            main_fbo,
+            _main_rbo: main_rbo,
+            _main_depth_rbo: main_depth_rbo,
+        }
+    }
+}
+
+impl_layout!(
+    {MainLoad => MainLoadAttach<'gl>},
+);

src/pg/mod.rs

@@ -0,0 +1,187 @@
+mod app;
+use femtovg::renderer::OpenGl;
+use femtovg::Canvas;
+use glow::HasContext;
+use layout_type::ViewPort;
+pub mod layout_type;
+mod modules;
+
+use crate::font_manager::FontManager;
+use crate::graphics::collections::agg_fast_path::AggFastPath;
+use crate::graphics::font::Text;
+use crate::graphics::ppi::PPI;
+use crate::graphics::threed::Trackball;
+use crate::graphics::transforms::plane::PlaneTrans;
+use crate::graphics::transforms::viewport;
+use crate::graphics::{AttaWithProgram, AttachWithIO};
+use crate::ui::operation::Operation;
+use crate::ui::typ::LayoutAttach;
+use crate::utils::cache::CachedData;
+use crate::utils::resources::GL;
+use crate::{errors::*, graphics::Graphics};
+pub use app::{App, Context};
+pub use modules::{Module, ModuleCursor, ModuleData, PPIModule, PPIPackage};
+use std::sync::atomic::AtomicUsize;
+
+static MODULE_PACKAGE_ID: AtomicUsize = AtomicUsize::new(0);
+
+pub(super) struct Programs<'gl> {
+    gl: &'gl GL,
+    _ppi: PPI,
+    _text: Text<'gl>,
+    _line: AggFastPath,
+}
+
+impl<'gl> Programs<'gl> {
+    pub fn new(gl: &'gl GL) -> Result<Self> {
+        let font_manager = FontManager::new()?;
+
+        Ok(Self {
+            gl,
+            _ppi: PPI::new()?,
+            _text: Text::new(gl, font_manager)?,
+            _line: AggFastPath::new()?,
+        })
+    }
+
+    pub fn prepare(&mut self) -> Result<()> {
+        self._ppi.program().compile(&self.gl)?;
+        self._line.program().compile(&self.gl)?;
+        self._text.program_mut().compile(&self.gl)?;
+        Ok(())
+    }
+
+    pub fn ppi<'b>(&'b mut self) -> modules::PPIModule<'b, 'gl> {
+        modules::PPIModule::new(&self.gl, &mut self._ppi, &mut self._text, &mut self._line).unwrap()
+    }
+
+    pub fn destroy(&mut self) -> Result<()> {
+        self._ppi.destroy(&self.gl)?;
+        self._text.destroy(&self.gl)?;
+        self._line.destroy(&self.gl)?;
+        Ok(())
+    }
+
+    pub fn load_data(
+        &mut self,
+        data: &CachedData<crate::data_loader::Data>,
+    ) -> Result<ModulePackage<'gl>> {
+        let cdata = data.borrow();
+        if cdata.blocks.len() == 0 {
+            return Err(Error::InvalidDataType);
+        }
+        let first_block = cdata.blocks.first().unwrap();
+
+        match first_block.coord_type {
+            crate::data_loader::CoordType::Polar { .. } => {
+                let package: PPIPackage<'gl> = self.ppi().load_data(data)?;
+                return Ok(package.into());
+            }
+            _ => {
+                unimplemented!("Only polar data is supported for now");
+            }
+        }
+    }
+
+    pub fn draw_modules(
+        &mut self,
+        modules: &mut ModulePackage<'gl>,
+        operation: &Operation<PlaneTrans>,
+        viewport: &ViewPort,
+    ) -> Result<()> {
+        match &mut modules.modules {
+            _ModulePackage::PPI(ppi) => {
+                self.ppi().render(ppi, operation, viewport)?;
+            }
+        }
+        modules.need_update = false;
+        Ok(())
+    }
+}
+
+pub enum Data<'a> {
+    Data(&'a crate::data_loader::Data),
+    Other,
+}
+
+macro_rules! impl_module_data {
+    ($({$t:ty => $b: tt}),+) => {
+        $(
+            impl ModuleData for $t {
+                fn to_data(&self) -> Data {
+                    Data::$b(self)
+                }
+
+            }
+
+        )+
+    };
+}
+
+macro_rules! impl_module_package {
+    ($({$t:ty => $b: tt}),+) => {
+        $(
+
+            impl<'a> From<$t> for _ModulePackage<'a> {
+                fn from(t: $t) -> Self {
+                    _ModulePackage::$b(t)
+                }
+            }
+        )+
+    };
+}
+
+impl_module_data!({
+    crate::data_loader::Data => Data
+});
+
+pub struct ModulePackage<'gl> {
+    id: usize,
+    pub need_update: bool,
+    modules: _ModulePackage<'gl>,
+}
+
+pub enum _ModulePackage<'gl> {
+    PPI(PPIPackage<'gl>),
+}
+
+impl_module_package!({
+    PPIPackage<'a> => PPI
+});
+
+impl<'gl, T> From<T> for ModulePackage<'gl>
+where
+    T: ModuleCursor + Into<_ModulePackage<'gl>>,
+{
+    fn from(t: T) -> Self {
+        Self {
+            id: MODULE_PACKAGE_ID.fetch_add(1, std::sync::atomic::Ordering::SeqCst),
+            modules: t.into(),
+            need_update: true,
+        }
+    }
+}
+
+impl PartialEq for ModulePackage<'_> {
+    fn eq(&self, other: &Self) -> bool {
+        self.id == other.id
+    }
+}
+
+impl ModulePackage<'_> {
+    pub fn ui_build(&mut self, ui: &imgui::Ui) -> Result<bool> {
+        Ok(match &mut self.modules {
+            _ModulePackage::PPI(ppi) => ppi.ui_build(ui),
+        })
+    }
+
+    pub fn dirty(&mut self) {
+        self.need_update = true;
+    }
+
+    pub fn helper_task(&self, canvas: &mut Canvas<OpenGl>) -> bool {
+        match &self.modules {
+            _ModulePackage::PPI(ppi) => ppi.helper_layer(canvas),
+        }
+    }
+}

src/pg/modules/mod.rs

@@ -0,0 +1,121 @@
+use crate::{
+    graphics::AttachWithIO,
+    ui::{
+        operation::{self, Operation},
+        typ::CameraOP,
+    },
+    utils::{
+        cache::CachedData,
+        resources::{ManagedResource, RcGlBuffer, RcGlVertexArray},
+    },
+};
+use femtovg::{renderer::OpenGl, Canvas};
+use glow::{HasContext, NativeBuffer, NativeVertexArray};
+mod ppi;
+use crate::errors::*;
+pub use ppi::{PPIModule, PPIPackage};
+
+use super::{layout_type::ViewPort, Data};
+
+#[derive(Debug, Clone)]
+struct Attach<'a> {
+    gl: &'a glow::Context,
+    pub vao: RcGlVertexArray<'a>,
+    pub vbo: RcGlBuffer<'a>,
+    pub ebo: Option<RcGlBuffer<'a>>,
+    pub len: i32,
+}
+
+impl<'a> Attach<'a> {
+    fn new(
+        gl: &'a glow::Context,
+        vao: NativeVertexArray,
+        vbo: NativeBuffer,
+        ebo: Option<NativeBuffer>,
+        len: Option<i32>,
+    ) -> Self {
+        Self {
+            gl,
+            vao: RcGlVertexArray::new(gl, vao),
+            vbo: RcGlBuffer::new(gl, vbo),
+            ebo: ebo.map(|ebo| RcGlBuffer::new(gl, ebo)),
+            len: len.unwrap_or(0),
+        }
+    }
+
+    fn bind_self(&self) {
+        self.vao.bind(glow::VERTEX_ARRAY);
+        self.vbo.bind(glow::ARRAY_BUFFER);
+        if let Some(ebo) = self.ebo.as_ref() {
+            ebo.bind(glow::ELEMENT_ARRAY_BUFFER);
+        }
+    }
+
+    fn unbind_self(&self) {
+        self.vao.unbind(glow::VERTEX_ARRAY);
+        self.vbo.unbind(glow::ARRAY_BUFFER);
+        if let Some(ebo) = self.ebo.as_ref() {
+            ebo.unbind(glow::ELEMENT_ARRAY_BUFFER);
+        }
+    }
+
+    fn bind_data(&mut self, vbo: &Vec<f32>, ebo: Option<&Vec<u32>>, len: i32, usage: u32) {
+        use bytemuck::cast_slice;
+        self.vbo.bind(glow::ARRAY_BUFFER);
+        unsafe {
+            self.gl
+                .buffer_data_u8_slice(glow::ARRAY_BUFFER, cast_slice(&vbo), usage);
+            if let Some(ebo) = ebo {
+                self.gl.bind_buffer(
+                    glow::ELEMENT_ARRAY_BUFFER,
+                    Some(self.ebo.as_ref().unwrap().native()),
+                );
+                self.gl
+                    .buffer_data_u8_slice(glow::ELEMENT_ARRAY_BUFFER, cast_slice(&ebo), usage);
+
+                self.gl.bind_buffer(glow::ELEMENT_ARRAY_BUFFER, None);
+            }
+        }
+        self.vbo.unbind(glow::ARRAY_BUFFER);
+        self.len = len;
+    }
+
+    fn len(&self) -> i32 {
+        self.len
+    }
+}
+
+pub trait Module: Sized {
+    type Cursor: ModuleCursor;
+    type Data;
+    type Operation: AttachWithIO;
+
+    fn render(
+        &mut self,
+        cursor: &mut Self::Cursor,
+        operation: &Operation<Self::Operation>,
+        viewport: &ViewPort,
+    ) -> Result<()>;
+
+    fn load_data<'dt>(&self, data: &CachedData<Self::Data>) -> Result<Self::Cursor>;
+}
+
+pub trait ModuleData: Sized {
+    fn to_data(&self) -> Data;
+}
+
+pub trait ModuleCursor {
+    type Module: Module;
+    type Data: ModuleData;
+    type Config;
+
+    fn set_config<F>(&mut self, f: F)
+    where
+        F: FnOnce(&mut Self::Config);
+
+    fn ui_build(&mut self, ui: &imgui::Ui) -> bool;
+
+    fn helper_layer(&self, canvas: &mut Canvas<OpenGl>) -> bool {
+        false
+    }
+}

src/pg/modules/ppi.rs

@@ -0,0 +1,439 @@
+use collections::agg_fast_path::{AggFastPath, AggFastPathConfig, Path};
+use core::f32;
+use font::{FontConfig, LineStyle, PositionText, TextLine};
+use glow::HasContext;
+use std::rc::Rc;
+use tracker::track;
+use transforms::plane::PlaneTrans;
+use transforms::viewport;
+
+use crate::font_manager::{FontSize, FontStyle};
+use crate::graphics::{font::Text, *};
+use crate::pg::layout_type::ViewPort;
+use crate::ui::helper_components::colorbar::colorbar;
+use crate::ui::operation::{self, Operation};
+use crate::SETTING;
+use crate::{
+    data_loader::Data,
+    errors::*,
+    font_manager::FontManager,
+    ui::typ,
+    utils::{cache::CachedData, resources::ManagedResource},
+};
+use imgui::VerticalSlider;
+use ppi::{PPIConfig, PPI};
+use threed::Trackball;
+
+use super::{Attach, Module, ModuleCursor};
+pub struct PPIModule<'b, 'a: 'b> {
+    gl: &'a glow::Context,
+    ppi_program: &'b mut PPI,
+    line_program: &'b mut AggFastPath,
+    text_program: &'b mut Text<'a>,
+}
+
+impl<'b, 'a: 'b> PPIModule<'b, 'a> {
+    pub fn new(
+        gl: &'a glow::Context,
+        ppi: &'b mut PPI,
+        text: &'b mut Text<'a>,
+        line: &'b mut AggFastPath,
+    ) -> Result<Self> {
+        let config = PPIConfig::default();
+        Ok(Self {
+            gl,
+            ppi_program: ppi,
+            text_program: text,
+            line_program: line,
+        })
+    }
+
+    fn bind_ppi_pg(
+        &self,
+        attach: &mut Attach,
+        data: &Data,
+        config: &PPIModuleConfig,
+    ) -> Result<()> {
+        let (vbo, ebo, len) = self.ppi_program.bake(data, &config.to_ppi_config())?;
+        attach.bind_data(&vbo, ebo.as_ref(), len, glow::DYNAMIC_DRAW);
+        Ok(())
+    }
+
+    fn bind_line_pg(
+        &self,
+        attach: &mut Attach,
+        data: &Data,
+        config: &PPIModuleConfig,
+    ) -> Result<()> {
+        let raw_config = config.to_line_config();
+
+        // Will be changed in the future
+        let outskirt = 10.0;
+
+        let mut paths = vec![];
+
+        let range_line_num = config.range_line_num;
+        let r = outskirt / range_line_num as f32;
+        let seg_num = 200;
+        let angle = 2f32 * f32::consts::PI / seg_num as f32;
+
+        for range in 1..=range_line_num {
+            // Create the path
+            let mut path = Path::new(true);
+            let r = r * range as f32;
+            // Draw the circle
+            for seg in 0..seg_num {
+                let angle = angle * seg as f32;
+                let x = (angle.cos() * r) as f32;
+                let y = (angle.sin() * r) as f32;
+                path.push([x, y, 0.01]);
+            }
+            path.finish();
+            paths.push(path);
+        }
+
+        let ath_lin_num = config.ath_line_num;
+
+        let a = 2.0 * f32::consts::PI / ath_lin_num as f32;
+        for _a in 0..=ath_lin_num {
+            let mut path = Path::new(false);
+            let x = (a * _a as f32).cos() * outskirt;
+            let y = (a * _a as f32).sin() * outskirt;
+            path.push([0.0, 0.0, 0.01]);
+            path.push([x, y, 0.01]);
+            path.finish();
+            paths.push(path);
+        }
+
+        if config.vertical_axis {
+            let mut path = Path::new(false);
+            path.push([0.0, 0.0, 0.0]);
+            path.push([0.0, 0.0, outskirt]);
+            path.finish();
+            paths.push(path);
+        }
+
+        let (vbo, ebo, len) = self.line_program.bake(&paths, &raw_config)?;
+        attach.bind_data(&vbo, ebo.as_ref(), len, glow::STATIC_DRAW);
+        Ok(())
+    }
+
+    fn bind_tick(&self, attach: &mut Attach, data: &Data, config: &PPIModuleConfig) -> Result<()> {
+        let font_style = config.to_font_config();
+
+        match font_style {
+            FontConfig::Textline(line_style, font_style) => {
+                let new_text = TextLine::new("Hello,World", Some(font_style), None);
+                let position_text =
+                    PositionText::new(new_text, [0.0, 0.0, 0.0], font::Anchor::BottomCenter);
+                let text_pg_config = config.to_font_config();
+                let (vbo, ebo, len) = self.text_program.bake(&position_text, &text_pg_config)?;
+                attach.bind_data(&vbo, ebo.as_ref(), len, glow::STATIC_DRAW);
+            }
+        }
+
+        Ok(())
+    }
+}
+
+impl<'b, 'a: 'b> Module for PPIModule<'b, 'a> {
+    type Cursor = PPIPackage<'a>;
+    type Data = Data;
+    // type Operation = Trackball;
+    type Operation = PlaneTrans;
+
+    fn render<'dt>(
+        &mut self,
+        cursor: &mut Self::Cursor,
+        operation: &Operation<Self::Operation>,
+        viewport: &ViewPort,
+    ) -> Result<()> {
+        // Mount PPI Program
+        self.ppi_program.mount(&self.gl)?;
+        // Deal with the operation
+        operation.attach_with_program(&self.gl, self.ppi_program.program());
+        // PPI Program
+        let ppi_attach = &mut cursor.ppi_attach;
+        let data = &cursor.ppi_data.borrow();
+        let config = &mut cursor.ppi_config;
+
+        // Update the config
+        self.ppi_program
+            .set_config(&self.gl, &config.to_ppi_config())?;
+
+        // if the layer is changed, we need to rebind the data
+        if config.changed_layer() {
+            self.bind_ppi_pg(ppi_attach, data, config);
+        }
+
+        if config.changed_range_line_num()
+            || config.changed_ath_line_num()
+            || config.changed_vertical_axis()
+        {
+            self.bind_line_pg(&mut cursor.line_attach, data, config)?;
+        }
+
+        // PPI Draw
+        ppi_attach.bind_self();
+        self.ppi_program.draw(&self.gl, ppi_attach.len())?;
+        ppi_attach.unbind_self();
+
+        // Unmount PPI Program
+        self.ppi_program.unmount(&self.gl)?;
+
+        // Mount Line Program
+        self.line_program.mount(&self.gl)?;
+
+        // Deal with the operation
+        operation.attach_with_program(&self.gl, self.line_program.program());
+
+        // Set the viewport, this is important
+        self.line_program.set_viewport(&self.gl, viewport.size());
+
+        // Update the config
+        self.line_program
+            .set_config(&self.gl, &config.to_line_config());
+
+        // PPI Tick Draw
+        let attach = &mut cursor.line_attach;
+        attach.bind_self();
+        self.line_program.draw(&self.gl, attach.len())?;
+        attach.unbind_self();
+
+        self.line_program.unmount(&self.gl)?;
+
+        self.text_program.mount(&self.gl);
+
+        let tick_attach = &mut cursor.tick_attach;
+        // Deal with the operation
+        operation.attach_with_program(&self.gl, self.text_program.program_mut());
+        self.text_program.set_viewport(viewport.size());
+        self.text_program
+            .set_config(&self.gl, &config.to_font_config());
+
+        tick_attach.bind_self();
+        self.text_program.draw(&self.gl, tick_attach.len())?;
+        tick_attach.unbind_self();
+
+        config.reset();
+
+        Ok(())
+    }
+
+    fn load_data<'dt>(&self, data: &CachedData<Self::Data>) -> Result<Self::Cursor> {
+        let _data = data.borrow();
+
+        // Check if the data is valid
+        if _data.blocks.len() == 0 {
+            return Err(Error::InvalidDataType);
+        }
+
+        // Init the memory
+        let (vao, vbo, ebo) = self.ppi_program.init(&self.gl);
+        let mut ppi_attach = Attach::new(&self.gl, vao, vbo, ebo, None);
+
+        // Get the data info
+        let (r, a, t, max_layer, unvalid) = self.ppi_program.data_info(&_data)?;
+
+        // Find the color map
+        let cmap = SETTING.find(&t);
+
+        // Check if the color map is valid
+        if cmap.is_none() {
+            return Err(Error::InvalidDataType);
+        }
+        let cmap = cmap.unwrap();
+
+        // Init the memory for the line program
+        let (vao, vbo, ebo) = self.line_program.init(&self.gl);
+        let mut line_attach = Attach::new(&self.gl, vao, vbo, ebo, None);
+
+        // Tick Label
+        let (vao, vbo, ebo) = self.text_program.init(&self.gl);
+        let mut tick_attach = Attach::new(&self.gl, vao, vbo, ebo, None);
+
+        let mut config = PPIModuleConfig::default();
+        config.rdpi = r;
+        config.adpi = a;
+        config.max_layer = max_layer;
+        config.unvalid_value = unvalid;
+        config.colors = cmap.color()?;
+        config.color_range = cmap.value_range();
+
+        // Bind the data
+        self.bind_ppi_pg(&mut ppi_attach, &data.borrow(), &config);
+        self.bind_line_pg(&mut line_attach, &data.borrow(), &config);
+        // self.bind_tick(&mut tick_attach, &data.borrow(), &config);
+
+        Ok(PPIPackage::new(
+            config,
+            ppi_attach,
+            line_attach,
+            tick_attach,
+            data,
+        ))
+    }
+}
+
+pub struct PPIPackage<'gl> {
+    draw_helper: bool,
+    ppi_config: PPIModuleConfig,
+    ppi_attach: Attach<'gl>,
+    line_attach: Attach<'gl>,
+    tick_attach: Attach<'gl>,
+    ppi_data: CachedData<Data>,
+}
+
+impl<'gl> PPIPackage<'gl> {
+    fn new(
+        ppi_config: PPIModuleConfig,
+        ppi_attach: Attach<'gl>,
+        line_attach: Attach<'gl>,
+        tick_attach: Attach<'gl>,
+        data: &CachedData<Data>,
+    ) -> Self {
+        Self {
+            draw_helper: true,
+            ppi_config,
+            ppi_attach,
+            line_attach,
+            tick_attach,
+            ppi_data: Rc::clone(data),
+        }
+    }
+}
+
+impl<'gl> ModuleCursor for PPIPackage<'gl> {
+    type Module = PPIModule<'gl, 'gl>;
+    type Data = Data;
+    type Config = PPIModuleConfig;
+
+    fn set_config<F>(&mut self, f: F)
+    where
+        F: FnOnce(&mut Self::Config),
+    {
+        f(&mut self.ppi_config);
+    }
+
+    fn ui_build(&mut self, ui: &imgui::Ui) -> bool {
+        let mut layer = self.ppi_config.layer;
+        let mut is_three_d = self.ppi_config.is_three_d;
+
+        ui.text("PPI Data Config");
+        ui.slider("Layer", 0, self.ppi_config.max_layer - 1, &mut layer);
+        ui.checkbox("three d?", &mut is_three_d);
+        ui.separator();
+
+        let mut line_width = self.ppi_config.line_width;
+        let mut line_antialias = self.ppi_config.line_antialias;
+        let mut range_line_num = self.ppi_config.range_line_num;
+        let mut ath_line_num = self.ppi_config.ath_line_num;
+
+        ui.text("PPI Line Config");
+        ui.slider("line width", 0.1, 10.0, &mut line_width);
+        ui.slider("line ana", 0.1, 10.0, &mut line_antialias);
+        ui.slider("Range Line Num", 0, 10, &mut range_line_num);
+        ui.slider("Ath Line Num", 0, 10, &mut ath_line_num);
+
+        ui.separator();
+
+        let mut value = self.ppi_config.vertical_axis;
+        ui.checkbox("Axis?", &mut value);
+
+        self.ppi_config.set_layer(layer);
+        self.ppi_config.set_is_three_d(is_three_d);
+        self.ppi_config.set_line_width(line_width);
+        self.ppi_config.set_line_antialias(line_antialias);
+        self.ppi_config.set_range_line_num(range_line_num);
+        self.ppi_config.set_ath_line_num(ath_line_num);
+        self.ppi_config.set_vertical_axis(value);
+        self.ppi_config.changed_any()
+    }
+
+    fn helper_layer(&self, canvas: &mut femtovg::Canvas<femtovg::renderer::OpenGl>) -> bool {
+        colorbar(canvas, &self.ppi_config.colors, &vec![]);
+        true
+    }
+}
+
+#[track]
+#[derive(PartialEq)]
+pub struct PPIModuleConfig {
+    pub ticks: bool,
+    pub line_color: [f32; 4],
+    pub line_width: f32,
+    pub line_antialias: f32,
+    pub range_line_num: usize,
+    pub ath_line_num: usize,
+    pub vertical_axis: bool,
+    pub layer: usize,
+    pub colors: Vec<[u8; 4]>,
+    pub color_range: [f32; 2],
+    pub is_three_d: bool,
+
+    pub tick_label_color: [f32; 4],
+    pub tick_label_size: f32,
+    #[do_not_track]
+    pub unvalid_value: f32,
+    #[do_not_track]
+    pub max_layer: usize,
+    #[do_not_track]
+    pub rdpi: f32,
+    #[do_not_track]
+    pub adpi: f32,
+}
+
+impl Default for PPIModuleConfig {
+    fn default() -> Self {
+        Self {
+            ticks: true,
+            line_color: [1.0, 1.0, 1.0, 1.0],
+            line_width: 1.5,
+            line_antialias: 0.5,
+            layer: 0,
+            vertical_axis: false,
+            range_line_num: 5,
+            ath_line_num: 6,
+            colors: vec![],
+            color_range: [0.0, 0.0],
+            is_three_d: true,
+            unvalid_value: 0.0,
+            tick_label_color: [1.0, 1.0, 1.0, 1.0],
+            tick_label_size: 24.0,
+            max_layer: 0,
+            rdpi: 0.0,
+            adpi: 0.0,
+            tracker: 0,
+        }
+    }
+}
+
+impl PPIModuleConfig {
+    fn to_ppi_config(&self) -> PPIConfig {
+        PPIConfig {
+            unvalid_value: self.unvalid_value,
+            color_range: self.color_range,
+            colors: self.colors.clone(),
+            layer: self.layer,
+            rdpi: self.rdpi,
+            adpi: self.adpi,
+            three_d: self.is_three_d,
+        }
+    }
+
+    fn to_line_config(&self) -> AggFastPathConfig {
+        AggFastPathConfig {
+            color: self.line_color,
+            linewidth: self.line_width,
+            antialias: self.line_antialias,
+        }
+    }
+
+    fn to_font_config(&self) -> FontConfig {
+        let line_style = LineStyle::default();
+        let mut font_style = FontStyle::default();
+        font_style.size = FontSize::Absolute(self.tick_label_size);
+        font_style.color = self.tick_label_color;
+        FontConfig::Textline(line_style, font_style)
+    }
+}

src/setting.rs

@@ -0,0 +1,114 @@
+use crate::{errors::*, Asset};
+use serde::{Deserialize, Serialize};
+use std::{env, fs::{read, read_to_string}, io::Write};
+
+use crate::{data_loader::DataType, utils::color_tools::hex_to_rgba_u8};
+
+macro_rules! find_cmap {
+    ($c:ident,$find_on:ident,$({$b:tt => $name:literal}),*) => {
+
+        {
+            let mut cmap = None;
+            match $c {
+                $(
+                    $b => {
+                        let find_v = $find_on.iter().find(|cb| cb.type_name == $name).map(|cb| cb);
+                        cmap = find_v;
+                    }
+                )*
+                _ => {}
+            }
+            cmap
+        }
+
+
+    };
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct Setting {
+    pub cmap: Vec<CB>,
+}
+
+impl Setting {
+    pub fn find(&self, name: &DataType) -> Option<&CB> {
+        let cmap = &self.cmap;
+        use DataType::*;
+        find_cmap!(
+            name, cmap,
+            {DBZ => "DBZ"},
+            {VEl => "VEL"},
+            {VIL => "VIL"}
+        )
+    }
+}
+
+impl Setting {
+    pub fn new() -> Self {
+        let current_dir = env::current_dir().unwrap();
+
+        if !current_dir.join("radar.toml").exists() {
+
+            let default_config = Asset::get("radar.toml").unwrap();
+
+            let mut folder_path = current_dir.clone();
+            let mut conf = folder_path.join("radar.toml");
+
+            let mut file = std::fs::File::create_new(&conf).unwrap();
+            file.write_all(&default_config.data).unwrap();
+        }
+
+        let file = read_to_string(current_dir.join("radar.toml")).unwrap();
+        let setting: Setting = toml::from_str(&file).unwrap();
+        setting
+    }
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct CB {
+    #[serde(rename = "type")]
+    pub type_name: String,
+    pub colors: Vec<String>,
+    pub levels: Vec<f32>,
+}
+
+impl CB {
+    pub fn value_range(&self) -> [f32; 2] {
+        let mut range = [0.0, 0.0];
+        let levels = &self.levels;
+        range[0] = levels[0];
+        range[1] = levels[levels.len() - 1];
+        range
+    }
+
+    pub fn color(&self) -> Result<Vec<[u8; 4]>> {
+        if self.colors.len() != self.levels.len() - 1 {
+            return Err(Error::SettingError("Color and level mismatch".to_string()));
+        }
+
+        let mut result = self
+            .colors
+            .iter()
+            .map(|v| hex_to_rgba_u8(v))
+            .collect::<std::result::Result<Vec<_>, String>>()
+            .map_err(|v| Error::SettingError(v.to_string()))?;
+
+        let mut span = Vec::with_capacity(self.levels.len() - 1);
+
+        for idx in 0..self.levels.len() - 1 {
+            let start = self.levels[idx];
+            let end = self.levels[idx + 1];
+            let range = end - start;
+            span.push(range);
+        }
+
+        let range = self.value_range();
+        let all_range = range[1] - range[0];
+
+        for (level, r) in span.iter().zip(result.iter_mut()) {
+            r[3] = ((*level / all_range) * 255.0) as u8;
+        }
+
+        Ok(result)
+    }
+}

src/shaders/agg_path.rs

@@ -0,0 +1,126 @@
+use glsl::syntax::ShaderStage;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+use glsl_quasiquote::glsl;
+
+use crate::impl_code_piece;
+
+use super::{trackball::Trackball, CodePiece};
+
+pub struct AggPathVertex(ShaderStage);
+
+pub struct AggPathFragment(ShaderStage);
+
+impl AggPathVertex {
+    pub fn new() -> Self {
+        let mut transform = Trackball::new().0;
+        let raw = glsl! {
+
+            layout(location = 0) in vec3 prev;
+            layout(location = 1) in vec3 curr;
+            layout(location = 2) in vec3 next;
+            layout(location = 3) in float id;
+
+            uniform float antialias;
+            uniform float thickness;
+            uniform vec2 viewport;
+            uniform vec4 color;
+
+            out float v_distance;
+            out vec4 v_color;
+
+            void main() {
+                vec4 ndc_prev = transform(position(prev));
+                vec4 ndc_curr = transform(position(curr));
+                vec4 ndc_next = transform(position(next));
+
+                // screen space
+                vec2 screen_prev = viewport * ((ndc_prev.xy/ndc_prev.w) + 1.0)/2.0;
+                vec2 screen_curr = viewport * ((ndc_curr.xy/ndc_curr.w) + 1.0)/2.0;
+                vec2 screen_next = viewport * ((ndc_next.xy/ndc_next.w) + 1.0)/2.0;
+
+
+                vec2 P;
+                float w = thickness/2.0 + antialias;
+
+                if (prev.xy == curr.xy) {
+                    vec2 v = normalize(screen_next.xy - screen_curr.xy);
+                    vec2 normal = normalize(vec2(-v.y, v.x));
+                    P = screen_curr.xy + w*normal*id;
+                } else if (curr.xy == next.xy) {
+                    vec2 v = normalize(screen_curr.xy - screen_prev.xy);
+                    vec2 normal = normalize(vec2(-v.y, v.x));
+                    P = screen_curr.xy + w*normal*id;
+                } else {
+
+                    vec2 v0 = normalize(screen_curr.xy - screen_prev.xy);
+                    vec2 v1 = normalize(screen_next.xy - screen_curr.xy);
+                    vec2 normal = normalize(vec2(-v0.y, v0.x));
+                    vec2 tangent = normalize(v0 + v1);
+
+                    vec2 miter = vec2(-tangent.y, tangent.x);
+
+                    float l = abs(w/dot(miter,normal));
+                    P = screen_curr.xy + l*miter*sign(id);
+                }
+
+                v_color = color;
+
+                if (abs(id) > 1.5) v_color.a = 0.0;
+                v_distance = w * id;
+
+                // Back to NDC coordinates
+                gl_Position = vec4(2.0*P/viewport-1.0, ndc_curr.z / ndc_curr.w, 1.0);
+            }
+        };
+
+        transform.extend(raw);
+
+        Self(transform)
+    }
+}
+
+impl AggPathFragment {
+    pub fn new() -> Self {
+        let raw = glsl! {
+            uniform float antialias;
+            uniform float thickness;
+
+            in float v_distance;
+            in vec4 v_color;
+            out vec4 fragColor;
+
+
+            vec4 stroke(float distance, float linewidth, float antialias, vec4 fg_color)
+            {
+                vec4 frag_color;
+                float t = linewidth/2.0 - antialias;
+                float signed_distance = distance;
+                float border_distance = abs(signed_distance) - t;
+                float alpha = border_distance/antialias;
+                alpha = exp(-alpha*alpha);
+
+                if( border_distance < 0.0 )
+                    frag_color = fg_color;
+                else
+                    frag_color = vec4(fg_color.rgb, fg_color.a * alpha);
+
+                return frag_color;
+            }
+
+            vec4 stroke(float distance, float linewidth, float antialias, vec4 fg_color, vec4 bg_color)
+            {
+                return stroke(distance, linewidth, antialias, fg_color);
+            }
+
+            void main() {
+                if (v_color.a == 0) {discard;}
+                fragColor = stroke(v_distance, thickness, antialias, v_color);
+            }
+        };
+        Self(raw)
+    }
+}
+
+impl_code_piece!(AggPathVertex, 0);
+impl_code_piece!(AggPathFragment, 0);

src/shaders/colormap.rs

@@ -0,0 +1,50 @@
+use super::CodePiece;
+use crate::impl_code_piece;
+use glsl::syntax::ShaderStage;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+use glsl_quasiquote::glsl;
+
+pub struct ColorMap(pub ShaderStage);
+
+impl ColorMap {
+    pub fn new() -> Self {
+        let raw = glsl! {
+            uniform sampler1D colormap;
+            uniform vec4 colormap_conf;
+
+            float find_idx(float ratio) {
+                float i = 0;
+                float count = colormap_conf.z - 1.0;
+                float sum = 0.0;
+
+                while (ratio > sum) {
+                    sum += texture(colormap, float(i++) / count).w;
+                }
+                return i / count;
+            }
+
+            vec4 linear_colormap(float value)
+            {
+                float vmin = colormap_conf.x;
+                float vmax = colormap_conf.y;
+                float count = colormap_conf.z - 1.0;
+
+                float invalid = colormap_conf.w;
+
+                if (abs(value - invalid) < 0.0001) {
+                    return vec4(0.0, 0.0, 0.0, 0.0);
+                }
+
+                float v = clamp((value - vmin), vmin, vmax) / (vmax - vmin);
+                float idx = find_idx(v);
+                vec4 result = texture(colormap, idx);
+                return result;
+            }
+        };
+
+        Self(raw)
+    }
+}
+
+impl_code_piece!(ColorMap, 0);

src/shaders/font.rs

@@ -0,0 +1,213 @@
+use super::trackball::Trackball;
+use super::CodePiece;
+use crate::impl_code_piece;
+use glsl::syntax::ShaderStage;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+use glsl_quasiquote::glsl;
+
+pub struct FontVertex(pub ShaderStage);
+
+pub struct FontFragment(pub ShaderStage);
+
+pub struct FontGeometry(pub ShaderStage);
+
+impl FontVertex {
+    pub fn new() -> Self {
+        let raw = glsl! {
+
+            // texcoord (left top, right bottom)
+            layout(location = 0) in vec4 texcoord;
+            // Relative position (x, y, width, height)
+            layout(location = 1) in vec4 relative_position;
+
+            out VS_OUT {
+                vec4 texcoord;
+                vec4 pos;
+            } vs_out;
+
+
+            void main() {
+                vs_out.texcoord = texcoord;
+                vs_out.pos = relative_position;
+            }
+        };
+
+        Self(raw)
+    }
+}
+
+impl FontGeometry {
+    pub fn new() -> Self {
+        let mut transform = Trackball::new().0;
+        let raw = glsl! {
+
+            layout(points) in;
+            layout(triangle_strip, max_vertices = 4) out;
+
+            // Uniforms
+            uniform vec3 location;
+            uniform vec3 anchor;
+            uniform vec2 viewport;
+
+            // Texture Shape
+            uniform vec2 atlas_shape;
+
+            out vec2 v_texCoord;
+            out vec2 UV_coord;
+
+            in VS_OUT {
+                vec4 texcoord;
+                vec4 pos;
+            } gs_in[];
+
+        void main() {
+
+            vec4 pos = gs_in[0].pos;
+            float x, y, width, hgt;
+
+            // Char position and size
+            x = pos.x;
+            y = pos.y;
+            width = pos.z;
+            hgt = pos.w;
+
+            // texcoord
+            vec2 tex_coord_lt = gs_in[0].texcoord.xy / atlas_shape;
+            vec2 tex_coord_rb = gs_in[0].texcoord.zw / atlas_shape;
+
+            // uv_coord
+            vec2 uv_coord_lt = gs_in[0].texcoord.xy;
+            vec2 uv_coord_rb = gs_in[0].texcoord.zw;
+
+            // Char Size
+            vec2 size = vec2(width, hgt);
+
+            // Base Text Location
+            vec3 base_pos = location + anchor;
+
+            // base_pos in NDC
+            vec4 ndc_base_pos = transform(position(base_pos));
+
+            // Screen Space
+            vec2 screen_base_pos = viewport * ((ndc_base_pos.xy / ndc_base_pos.w) + 1.0) / 2.0;
+
+            // Billboard Type
+            vec2 left_top = screen_base_pos + vec2(x, y);
+            vec2 right_bottom = left_top + size;
+
+            vec2 ndc_left_top = (2.0 * left_top / viewport - 1.0);
+            vec2 ndc_right_bottom = (2.0 * right_bottom / viewport - 1.0);
+
+            // Emit vertices
+            gl_Position = vec4(ndc_left_top.x, ndc_right_bottom.y, ndc_base_pos.z / ndc_base_pos.w, 1.0);
+            v_texCoord = vec2(tex_coord_lt.x, tex_coord_rb.y);
+            UV_coord = vec2(uv_coord_lt.x, uv_coord_rb.y);
+            EmitVertex();
+
+            gl_Position = vec4(ndc_right_bottom.xy, ndc_base_pos.z / ndc_base_pos.w, 1.0);
+            v_texCoord = tex_coord_rb;
+            UV_coord = uv_coord_rb;
+            EmitVertex();
+
+            gl_Position = vec4(ndc_left_top.xy, ndc_base_pos.z / ndc_base_pos.w, 1.0);
+            v_texCoord = tex_coord_lt;
+            UV_coord = uv_coord_lt;
+            EmitVertex();
+
+            gl_Position = vec4(ndc_right_bottom.x, ndc_left_top.y, ndc_base_pos.z / ndc_base_pos.w, 1.0);
+            v_texCoord = vec2(tex_coord_rb.x, tex_coord_lt.y);
+            UV_coord = vec2(uv_coord_rb.x, uv_coord_lt.y);
+            EmitVertex();
+
+            EndPrimitive();
+            }
+
+        };
+
+        transform.extend(raw);
+
+        Self(transform)
+    }
+}
+
+impl FontFragment {
+    pub fn new() -> Self {
+        let raw = glsl! {
+            uniform sampler2D atlas_data;
+            in vec2 v_texCoord;
+            in vec2 UV_coord;
+
+            uniform vec4 uClipUV;
+            uniform vec4 uSdfConfig;
+            uniform int uMode;
+            uniform vec4 uBorder;
+            uniform vec4 uStroke;
+            uniform vec4 uFill;
+
+            float getUVScale(vec2 sdfUV) {
+                float dx = dFdx(sdfUV.x);
+                float dy = dFdy(sdfUV.y);
+                return (sqrt(dx * dx + dy * dy) + sqrt(dy * dy + dx * dx)) * 0.5;
+            }
+
+            struct SDF {
+                float outer;
+                float inner;
+            };
+
+            vec4 getTexture(vec2 uv) {
+                return texture(atlas_data, uv);
+            }
+
+            vec4 getMask(vec4 color, vec2 uv, vec2 st) {
+                return color; // 默认不修改颜色
+            }
+
+            out vec4 fragColor;
+
+            void main() {
+                vec4 fillColor = uFill;
+                vec4 strokeColor = uStroke;
+
+                float scale = getUVScale(UV_coord);
+
+                vec4 texture = getTexture(v_texCoord);
+
+                float dis = texture.r;
+
+                // float sdfRaw = 0.0;
+                // float mark = 0.0;
+                // float sdf;
+
+                // float sdfRadius = uSdfConfig.x;
+                // float expand = uBorder.x;
+                // float bleed = uBorder.y;
+
+                // float d = (texture.r - 0.75) * sdfRadius;
+                // float s = (d + expand / uSdfConfig.y) / scale + 0.5 + bleed;
+                // sdf = s; // Assuming SDF returns a single float, adjust as necessary
+
+                // if (uMode == -2) {
+                //     fillColor = vec4(texture.rgb, fillColor.a);
+                // }
+
+                // // Compute mask based on SDF
+                // float mask = clamp(sdf, 0.0, 1.0);
+                // Final color blending logic here
+
+                // fragColor = vec4(fillColor.rgb + mark, mask + mark);
+
+                fragColor = vec4(dis,dis,dis,dis);
+
+
+            }
+        };
+
+        Self(raw)
+    }
+}
+
+impl_code_piece!(FontVertex, 0);
+impl_code_piece!(FontGeometry, 0);
+impl_code_piece!(FontFragment, 0);

src/shaders/math.rs

@@ -0,0 +1,73 @@
+use glsl::syntax::ShaderStage;
+use glsl_quasiquote::glsl;
+
+use super::CodePiece;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+
+use crate::impl_code_piece;
+
+pub struct Constants {
+    pub raw: ShaderStage,
+}
+
+impl Constants {
+    pub fn new() -> Constants {
+        let raw = glsl! {
+
+            #ifndef _GLUMPY__CONSTANTS__
+            #define _GLUMPY__CONSTANTS__
+
+            // The base of natural logarithms (e)
+            const float M_E = 2.71828182845904523536028747135266250;
+
+            // The logarithm to base 2 of M_E (log2(e))
+            const float M_LOG2E = 1.44269504088896340735992468100189214;
+
+            // The logarithm to base 10 of M_E (log10(e))
+            const float M_LOG10E = 0.434294481903251827651128918916605082;
+
+            // The natural logarithm of 2 (loge(2))
+            const float M_LN2 = 0.693147180559945309417232121458176568;
+
+            // The natural logarithm of 10 (loge(10))
+            const float M_LN10 = 2.30258509299404568401799145468436421;
+
+            // Pi, the ratio of a circle's circumference to its diameter.
+            const float M_PI = 3.14159265358979323846264338327950288;
+
+            // Pi divided by two (pi/2)
+            const float M_PI_2 = 1.57079632679489661923132169163975144;
+
+            // Pi divided by four  (pi/4)
+            const float M_PI_4 = 0.785398163397448309615660845819875721;
+
+            // The reciprocal of pi (1/pi)
+            const float M_1_PI = 0.318309886183790671537767526745028724;
+
+            // Two times the reciprocal of pi (2/pi)
+            const float M_2_PI = 0.636619772367581343075535053490057448;
+
+            // Two times the reciprocal of the square root of pi (2/sqrt(pi))
+            const float M_2_SQRTPI = 1.12837916709551257389615890312154517;
+
+            // The square root of two (sqrt(2))
+            const float M_SQRT2 = 1.41421356237309504880168872420969808;
+
+            // The reciprocal of the square root of two (1/sqrt(2))
+            const float M_SQRT1_2 = 0.707106781186547524400844362104849039;
+
+            // 1 degree in radians
+            const float degree = 180.0/M_PI;
+
+            // 1 radian in degrees
+            const float radian = M_PI/180.0;
+
+            #endif
+        };
+
+        Constants { raw }
+    }
+}
+
+impl_code_piece!(Constants, raw);

src/shaders/mod.rs

@@ -0,0 +1,99 @@
+pub mod agg_path;
+pub mod colormap;
+pub mod font;
+pub mod math;
+pub mod polar;
+pub mod ppi;
+pub mod trackball;
+use glsl::{
+    syntax::{ShaderStage, TranslationUnit},
+    transpiler::glsl::{show_struct, show_translation_unit},
+};
+use glsl_quasiquote::glsl;
+
+use crate::components::Shader;
+
+struct PPI {
+    vertex: ShaderStage,
+}
+
+impl PPI {
+    fn new() -> Self {
+        let vertex: ShaderStage = glsl! {
+            layout(location = 0) in vec3 position;
+            out float in_value;
+
+            void main() {
+                gl_Position = vec4(position.x, position.y, 0.5, 1.0);
+                in_value = position.z;
+            }
+        };
+
+        Self { vertex }
+    }
+}
+
+impl std::fmt::Display for PPI {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        show_translation_unit(f, &self.vertex);
+        Ok(())
+    }
+}
+
+#[derive(std::fmt::Debug)]
+pub struct EmptyPiece(pub TranslationUnit);
+
+pub trait CodePiece: std::fmt::Display {
+    fn raw(&self) -> &TranslationUnit;
+
+    fn include<T: CodePiece>(i: T, raw: TranslationUnit) -> TranslationUnit {
+        let mut s = i.raw().clone();
+        s.extend(raw);
+        s
+    }
+}
+
+impl CodePiece for EmptyPiece {
+    fn raw(&self) -> &TranslationUnit {
+        &self.0
+    }
+}
+
+impl std::fmt::Display for EmptyPiece {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        Ok(())
+    }
+}
+
+#[macro_export]
+macro_rules! impl_code_piece {
+    ($t:ty, $c:tt) => {
+        impl CodePiece for $t {
+            fn raw(&self) -> &TranslationUnit {
+                &self.$c
+            }
+        }
+
+        impl std::fmt::Display for $t {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                show_translation_unit(f, &self.$c);
+                Ok(())
+            }
+        }
+    };
+}
+
+mod test {
+
+    use glsl::transpiler::glsl::show_translation_unit;
+
+    use super::math::Constants;
+    use super::polar::PolarTransform;
+    use super::PPI;
+
+    #[test]
+    fn test() {
+        let polar = PolarTransform::new();
+        println!("{}", polar);
+    }
+}

src/shaders/polar.rs

@@ -0,0 +1,58 @@
+use super::CodePiece;
+use crate::impl_code_piece;
+use glsl::syntax::ShaderStage;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+
+use super::math::Constants;
+use glsl_quasiquote::glsl;
+
+pub struct PolarTransform {
+    pub raw: ShaderStage,
+}
+
+impl PolarTransform {
+    pub fn new() -> PolarTransform {
+        let raw = glsl! {
+
+            uniform float polar_origin;
+
+            vec4 forward(float rho, float theta, float z, float w)
+            {
+                return vec4(rho * cos(theta + polar_origin),
+                            rho * sin(theta + polar_origin),
+                            rho * sin(z), w);
+            }
+
+            vec4 forward(float x, float y) {return forward(x, y, 0.0, 1.0);}
+            vec4 forward(float x, float y, float z) {return forward(x, y, z, 1.0);}
+            vec4 forward(vec2 P) { return forward(P.x, P.y); }
+            vec4 forward(vec3 P) { return forward(P.x, P.y, P.z, 1.0); }
+            vec4 forward(vec4 P) { return forward(P.x, P.y, P.z, P.w); }
+
+            vec4 inverse(float x, float y, float z, float w)
+            {
+                float rho = length(vec2(x,y));
+                float theta = atan(y,x);
+                if( theta < 0.0 )
+                    theta = 2.0*M_PI+theta;
+                return vec4(rho, theta-polar_origin, z, w);
+            }
+
+
+            vec4 inverse(float x, float y) {return inverse(x,y,0.0,1.0); }
+            vec4 inverse(float x, float y, float z) {return inverse(x,y,z,1.0); }
+            vec4 inverse(vec2 P) { return inverse(P.x, P.y, 0.0, 1.0); }
+            vec4 inverse(vec3 P) { return inverse(P.x, P.y, P.z, 1.0); }
+            vec4 inverse(vec4 P) { return inverse(P.x, P.y, P.z, P.w); }
+        };
+
+        let mut constant = Constants::new().raw;
+
+        constant.extend(raw);
+
+        PolarTransform { raw: constant }
+    }
+}
+
+impl_code_piece!(PolarTransform, raw);

src/shaders/ppi.rs

@@ -0,0 +1,147 @@
+use super::trackball::Trackball;
+use super::CodePiece;
+use crate::impl_code_piece;
+use glsl::syntax::ShaderStage;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+use glsl_quasiquote::glsl;
+
+pub struct PPIVertex(pub ShaderStage);
+pub struct PPIGeom(pub ShaderStage);
+pub struct PPIFragment(pub ShaderStage);
+
+impl PPIVertex {
+    pub fn new() -> Self {
+        let raw = glsl! {
+            layout(location = 0) in vec4 position;
+            out float in_value;
+
+            void main() {
+                gl_Position = vec4(position.x * 10.0, position.y, position.z, 1.0);
+                in_value = position.w;
+            }
+        };
+
+        Self(raw)
+    }
+}
+
+impl PPIGeom {
+    pub fn new() -> Self {
+        let mut trackball = Trackball::new().0;
+        let polar = super::polar::PolarTransform::new().raw;
+        let raw = glsl! {
+            layout(points) in;
+            layout(triangle_strip, max_vertices = 4) out;
+
+            // conf: Range, Elevation,  Resolution, mode
+            uniform vec4 conf;
+            in float in_value[];
+
+            out float x;
+            out float y;
+            out float value;
+
+            flat out vec4 vrange;
+
+
+            void main() {
+                float rdpi = conf.x * 10.0;
+                float mode = conf.w;
+                vec4 reso = vec4(rdpi/2.0, conf.y/2.0 * radian, 0.0, 0.0);
+                vec4 loc;
+                float c = cos(reso.y);
+
+                vec4 po = gl_in[0].gl_Position;
+                po.y *= radian;
+                po.z *= radian * mode;
+
+                vrange = vec4(po.x - reso.x, po.y - reso.y, po.x + reso.x, po.y + reso.y);
+                value = in_value[0];
+
+                gl_Position = po - reso;
+                loc = forward(gl_Position);
+                x = loc.x;
+                y = loc.y;
+                gl_Position = transform(loc);
+                EmitVertex();
+
+                gl_Position = po + vec4(reso.x, -reso.y, 0.0, 0.0);
+                gl_Position.x = gl_Position.x / c;
+                loc = forward(gl_Position);
+                x = loc.x;
+                y = loc.y;
+                gl_Position = transform(loc);
+                EmitVertex();
+
+                gl_Position = po + vec4(-reso.x, reso.y, 0.0, 0.0);
+                loc = forward(gl_Position);
+                x = loc.x;
+                y = loc.y;
+                gl_Position = transform(loc);
+                EmitVertex();
+
+                gl_Position = po + reso;
+                gl_Position.x = gl_Position.x / c;
+                loc = forward(gl_Position);
+                x = loc.x;
+                y = loc.y;
+                gl_Position = transform(loc);
+                EmitVertex();
+
+                EndPrimitive();
+
+            }
+
+        };
+
+        trackball.extend(polar);
+        trackball.extend(raw);
+
+        Self(trackball)
+    }
+}
+
+impl PPIFragment {
+    pub fn new() -> Self {
+        use super::polar::PolarTransform;
+        let mut include = PolarTransform::new().raw;
+        let mut colormap = super::colormap::ColorMap::new().0;
+        let raw = glsl! {
+                in float x;
+                in float y;
+
+                in float value;
+                flat in vec4 vrange;
+
+                out vec4 FragColor;
+
+                void main() {
+
+                    vec4 inversed = inverse(x, y);
+
+
+                    if (inversed.x < vrange.x || inversed.x > vrange.z) {
+                        discard;
+                    }
+
+                    vec4 result = linear_colormap(value);
+
+                    if (result.w == 0.0) {
+                        discard;
+                    }
+
+                    FragColor = result;
+                }
+        };
+
+        include.extend(colormap);
+        include.extend(raw);
+
+        Self(include)
+    }
+}
+
+impl_code_piece!(PPIVertex, 0);
+impl_code_piece!(PPIGeom, 0);
+impl_code_piece!(PPIFragment, 0);

src/shaders/trackball.rs

@@ -0,0 +1,70 @@
+use super::CodePiece;
+use glsl::syntax::ShaderStage;
+use glsl::syntax::TranslationUnit;
+use glsl::transpiler::glsl::show_translation_unit;
+
+use crate::impl_code_piece;
+
+pub struct Trackball(pub ShaderStage);
+
+impl Trackball {
+    pub fn new() -> Self {
+        let raw = glsl_quasiquote::glsl! {
+            uniform mat4 trackball_view;
+            uniform mat4 trackball_model;
+            uniform mat4 trackball_projection;
+
+            vec4 transform(vec4 position)
+            {
+                return trackball_projection
+                       * trackball_view
+                       * trackball_model
+                       * position;
+            }
+
+            vec4 position(float x)
+            {
+                return vec4(x, 0.0, 0.0, 1.0);
+            }
+
+            vec4 position(float x, float y)
+            {
+                return vec4(x, y, 0.0, 1.0);
+            }
+
+            vec4 position(vec2 xy)
+            {
+                return vec4(xy, 0.0, 1.0);
+            }
+
+            vec4 position(float x, float y, float z)
+            {
+                return vec4(x, y, z, 1.0);
+            }
+
+            vec4 position(vec3 xyz)
+            {
+                return vec4(xyz, 1.0);
+            }
+
+            vec4 position(vec4 xyzw)
+            {
+                return xyzw;
+            }
+
+            vec4 position(vec2 xy, float z)
+            {
+                return vec4(xy, z, 1.0);
+            }
+
+            vec4 position(float x, vec2 yz)
+            {
+                return vec4(x, yz, 1.0);
+            }
+        };
+
+        Self(raw)
+    }
+}
+
+impl_code_piece!(Trackball, 0);

src/support/_s.rs

@@ -0,0 +1,215 @@
+use std::num::NonZeroU32;
+
+use glow::HasContext;
+use glutin::{
+    config::ConfigTemplateBuilder,
+    context::{ContextApi, ContextAttributesBuilder, NotCurrentGlContext, PossiblyCurrentContext},
+    display::{GetGlDisplay, GlDisplay},
+    surface::{GlSurface, Surface, SurfaceAttributesBuilder, SwapInterval, WindowSurface},
+};
+use imgui_winit_support::WinitPlatform;
+use raw_window_handle::HasRawWindowHandle;
+use winit::{
+    dpi::LogicalSize,
+    event_loop::EventLoop,
+    window::{Window, WindowBuilder},
+};
+
+pub fn create_window(
+    title: &str,
+    context_api: Option<ContextApi>,
+) -> (
+    EventLoop<()>,
+    Window,
+    Surface<WindowSurface>,
+    PossiblyCurrentContext,
+) {
+    let event_loop = EventLoop::new().unwrap();
+
+    let window_builder = WindowBuilder::new()
+        .with_title(title)
+        .with_inner_size(LogicalSize::new(1024, 768));
+    let (window, cfg) = glutin_winit::DisplayBuilder::new()
+        .with_window_builder(Some(window_builder))
+        .build(&event_loop, ConfigTemplateBuilder::new(), |mut configs| {
+            configs.next().unwrap()
+        })
+        .expect("Failed to create OpenGL window");
+
+    let window = window.unwrap();
+
+    let mut context_attribs = ContextAttributesBuilder::new();
+    if let Some(context_api) = context_api {
+        context_attribs = context_attribs.with_context_api(context_api);
+    }
+    let context_attribs = context_attribs.build(Some(window.raw_window_handle()));
+    let context = unsafe {
+        cfg.display()
+            .create_context(&cfg, &context_attribs)
+            .expect("Failed to create OpenGL context")
+    };
+
+    let surface_attribs = SurfaceAttributesBuilder::<WindowSurface>::new()
+        .with_srgb(Some(true))
+        .build(
+            window.raw_window_handle(),
+            NonZeroU32::new(1024).unwrap(),
+            NonZeroU32::new(768).unwrap(),
+        );
+    let surface = unsafe {
+        cfg.display()
+            .create_window_surface(&cfg, &surface_attribs)
+            .expect("Failed to create OpenGL surface")
+    };
+
+    let context = context
+        .make_current(&surface)
+        .expect("Failed to make OpenGL context current");
+
+    surface
+        .set_swap_interval(&context, SwapInterval::Wait(NonZeroU32::new(1).unwrap()))
+        .expect("Failed to set swap interval");
+
+    (event_loop, window, surface, context)
+}
+
+pub fn glow_context(context: &PossiblyCurrentContext) -> glow::Context {
+    unsafe {
+        glow::Context::from_loader_function_cstr(|s| context.display().get_proc_address(s).cast())
+    }
+}
+
+pub fn imgui_init(window: &Window) -> (WinitPlatform, imgui::Context) {
+    let mut imgui_context = imgui::Context::create();
+    imgui_context.set_ini_filename(None);
+
+    let mut winit_platform = WinitPlatform::init(&mut imgui_context);
+    winit_platform.attach_window(
+        imgui_context.io_mut(),
+        window,
+        imgui_winit_support::HiDpiMode::Rounded,
+    );
+
+    imgui_context
+        .fonts()
+        .add_font(&[imgui::FontSource::DefaultFontData { config: None }]);
+
+    imgui_context.io_mut().font_global_scale = (1.0 / winit_platform.hidpi_factor()) as f32;
+
+    (winit_platform, imgui_context)
+}
+
+pub struct Triangler {
+    pub program: <glow::Context as HasContext>::Program,
+    pub vertex_array: <glow::Context as HasContext>::VertexArray,
+}
+
+impl Triangler {
+    pub fn new(gl: &glow::Context, shader_header: &str) -> Self {
+        const VERTEX_SHADER_SOURCE: &str = r#"
+const vec2 verts[3] = vec2[3](
+    vec2(0.5f, 1.0f),
+    vec2(0.0f, 0.0f),
+    vec2(1.0f, 0.0f)
+);
+
+out vec2 vert;
+out vec4 color;
+
+vec4 srgb_to_linear(vec4 srgb_color) {
+    // Calcuation as documented by OpenGL
+    vec3 srgb = srgb_color.rgb;
+    vec3 selector = ceil(srgb - 0.04045);
+    vec3 less_than_branch = srgb / 12.92;
+    vec3 greater_than_branch = pow((srgb + 0.055) / 1.055, vec3(2.4));
+    return vec4(
+        mix(less_than_branch, greater_than_branch, selector),
+        srgb_color.a
+    );
+}
+
+void main() {
+    vert = verts[gl_VertexID];
+    color = srgb_to_linear(vec4(vert, 0.5, 1.0));
+    gl_Position = vec4(vert - 0.5, 0.0, 1.0);
+}
+"#;
+        const FRAGMENT_SHADER_SOURCE: &str = r#"
+in vec2 vert;
+in vec4 color;
+
+out vec4 frag_color;
+
+vec4 linear_to_srgb(vec4 linear_color) {
+    vec3 linear = linear_color.rgb;
+    vec3 selector = ceil(linear - 0.0031308);
+    vec3 less_than_branch = linear * 12.92;
+    vec3 greater_than_branch = pow(linear, vec3(1.0/2.4)) * 1.055 - 0.055;
+    return vec4(
+        mix(less_than_branch, greater_than_branch, selector),
+        linear_color.a
+    );
+}
+
+void main() {
+    frag_color = linear_to_srgb(color);
+}
+"#;
+
+        let mut shaders = [
+            (glow::VERTEX_SHADER, VERTEX_SHADER_SOURCE, None),
+            (glow::FRAGMENT_SHADER, FRAGMENT_SHADER_SOURCE, None),
+        ];
+
+        unsafe {
+            let vertex_array = gl
+                .create_vertex_array()
+                .expect("Cannot create vertex array");
+
+            let program = gl.create_program().expect("Cannot create program");
+
+            for (kind, source, handle) in &mut shaders {
+                let shader = gl.create_shader(*kind).expect("Cannot create shader");
+                gl.shader_source(shader, &format!("{}\n{}", shader_header, *source));
+                gl.compile_shader(shader);
+                if !gl.get_shader_compile_status(shader) {
+                    panic!("{}", gl.get_shader_info_log(shader));
+                }
+                gl.attach_shader(program, shader);
+                *handle = Some(shader);
+            }
+
+            gl.link_program(program);
+            if !gl.get_program_link_status(program) {
+                panic!("{}", gl.get_program_info_log(program));
+            }
+
+            for &(_, _, shader) in &shaders {
+                gl.detach_shader(program, shader.unwrap());
+                gl.delete_shader(shader.unwrap());
+            }
+
+            Self {
+                program,
+                vertex_array,
+            }
+        }
+    }
+
+    pub fn render(&self, gl: &glow::Context) {
+        unsafe {
+            gl.clear_color(0.05, 0.05, 0.1, 1.0);
+            gl.clear(glow::COLOR_BUFFER_BIT);
+            gl.use_program(Some(self.program));
+            gl.bind_vertex_array(Some(self.vertex_array));
+            gl.draw_arrays(glow::TRIANGLES, 0, 3);
+        }
+    }
+
+    pub fn destroy(&self, gl: &glow::Context) {
+        unsafe {
+            gl.delete_program(self.program);
+            gl.delete_vertex_array(self.vertex_array);
+        }
+    }
+}

src/support/supporter.rs

@@ -1,18 +1,6 @@
-use crate::camera::Camera;
-use crate::graphics::colormap::linear::LinearColormap;
-use crate::graphics::ppi::PPI;
-use crate::graphics::transforms::{position, ChainedTransform};
-use crate::graphics::{hello, AttaWithBuffer, AttaWithProgram, Graphics};
-use crate::{
-    graphics::{
-        collections::agg_fast_path::AggFastPath,
-        transforms::{
-            polar::Polar, position::Position, trackball::Trackball, viewport::Viewport, Transform,
-        },
-    },
-    utils::Triangler,
-};
-use cgmath::InnerSpace;
+use crate::{graphics::font, pg::App, ui::helper::Helper, utils::resources::GL};
+
+use femtovg::renderer::OpenGl;
 use glow::HasContext;
 use glutin::{
     config::ConfigTemplateBuilder,
@@ -20,46 +8,46 @@ use glutin::{
     display::{GetGlDisplay, GlDisplay},
     surface::{GlSurface, Surface, SurfaceAttributesBuilder, WindowSurface},
 };
-use imgui::Ui;
+use imgui::FontConfig;
 use imgui_winit_support::{
     winit::{
-        dpi::{LogicalSize, PhysicalPosition},
+        dpi::LogicalSize,
         event_loop::EventLoop,
         window::{Window, WindowBuilder},
     },
     HiDpiMode, WinitPlatform,
 };
-use nalgebra_glm::perspective;
-use nalgebra_glm::Vec3;
 use raw_window_handle::HasRawWindowHandle;
-use std::cell::RefCell;
 use std::num::NonZeroU32;
-use std::rc::Rc;
 use std::time::Instant;
 
-pub fn init<FUi>(mut run_ui: FUi,  mut register: Vec<Rc<RefCell<dyn Graphics>>>)
+pub fn run<F>(mut app: F)
 where
-    FUi: FnMut(&mut bool, &mut Ui, &Window, &glow::Context) + 'static,
+    F: for<'b> FnMut(&'b GL, Helper) -> App<'b>,
 {
+    // Create Window
     let (event_loop, window, surface, context) = create_window();
     let (mut winit_platform, mut imgui_context) = imgui_init(&window);
 
-    let gl = unsafe {
+    // OpenGL context
     let gl = glow_context(&context);
-        gl.enable(glow::DEPTH_TEST);
-        gl.enable(glow::BLEND);
-        gl.blend_func(glow::SRC_ALPHA, glow::ONE_MINUS_SRC_ALPHA);
-        gl
-    };
 
     // OpenGL renderer from this crate
     let mut ig_renderer = imgui_glow_renderer::AutoRenderer::initialize(gl, &mut imgui_context)
         .expect("failed to create renderer");
-    let gl_context = ig_renderer.gl_context().clone();
 
-    for r in register.iter_mut() {
-        r.borrow_mut().compile(&gl_context).unwrap();
-    }
+    let gl_app = ig_renderer.gl_context().clone();
+    let gl_context = ig_renderer.gl_context().clone();
+    let gl = GL::new(gl_app);
+
+    let helper = helper(&gl, &context);
+
+    // App instance
+    let mut app = app(&gl, helper);
+    let mut run = true;
+
+    // Prepare
+    app.prepare();
 
     let mut last_frame = Instant::now();
 
@@ -86,32 +74,19 @@ where
                 } => {
                     // Render your custom scene, note we need to borrow the OpenGL
                     // context from the `AutoRenderer`, which takes ownership of it.
-
                     unsafe {
-                        gl_context.clear(glow::DEPTH_BUFFER_BIT);
+                        gl_context.clear_color(0.0, 0.0, 0.0, 1.0);
+                        gl_context.clear(glow::COLOR_BUFFER_BIT);
                         gl_context.clear(glow::COLOR_BUFFER_BIT);
                     }
 
+                    // Render Offscreen
+                    app.render();
+
                     let ui = imgui_context.frame();
+                    app.render_ui(&ui, &window, &mut run);
 
-                    if ui.is_mouse_pos_valid(ui.io().mouse_pos) {
-                        let mouse_pos = ui.io().mouse_pos;
-                        if ui.is_mouse_dragging(imgui::MouseButton::Right) {
-                        }
-                    }
-
-                    for r in register.iter_mut() {
-                        r.borrow_mut().draw(&gl_context).unwrap();
-                    }
-
-                    let mut run = true;
-
-                    run_ui(&mut run, ui, &window, ig_renderer.gl_context());
-
-                    if !run {
-                        window_target.exit();
-                    }
-
+                    winit_platform.prepare_render(ui, &window);
                     let draw_data = imgui_context.render();
 
                     // Render imgui on top of it
@@ -140,16 +115,12 @@ where
                             NonZeroU32::new(new_size.width).unwrap(),
                             NonZeroU32::new(new_size.height).unwrap(),
                         );
-
                     }
                     winit_platform.handle_event(imgui_context.io_mut(), &window, &event);
+                    app.resize([new_size.width as f32, new_size.height as f32]);
                 }
                 winit::event::Event::LoopExiting => {
-
-                    for r in register.iter_mut() {
-                        r.borrow_mut().destroy(&gl_context).unwrap();
-                    }
-
+                    app.destroy();
                 }
                 event => {
                     winit_platform.handle_event(imgui_context.io_mut(), &window, &event);
@@ -159,51 +130,6 @@ where
         .unwrap()
 }
 
-fn mouse_callback(
-    last_position: &mut Option<PhysicalPosition<f64>>,
-    current_position: PhysicalPosition<f64>,
-    sensitivity: f64,
-    pitch: &mut f64,
-    yaw: &mut f64,
-    camera: &mut Camera,
-) {
-    use cgmath::{Deg, Euler, Quaternion};
-
-    let xpos = current_position.x;
-    let ypos = current_position.y;
-
-    if last_position.is_none() {
-        *last_position = Some(PhysicalPosition::new(xpos, ypos));
-    }
-
-    let _last_position = last_position.unwrap();
-
-    let mut xoffset = xpos - _last_position.x;
-    let mut yoffset = _last_position.y - ypos; // reversed since y-coordinates go from bottom to top
-
-    *last_position = Some(PhysicalPosition::new(xpos, ypos));
-
-    xoffset *= sensitivity;
-    yoffset *= sensitivity;
-
-    *yaw += xoffset;
-    *pitch += yoffset;
-
-    if *pitch > 89.0 {
-        *pitch = 89.0;
-    }
-
-    if *pitch < -89.0 {
-        *pitch = -89.0;
-    }
-
-    let euler_deg = Euler::new(Deg(*pitch), Deg(*yaw), Deg(0.0));
-
-    let c = Quaternion::from(euler_deg).normalize();
-
-    camera.set_front(Vec3::new(c.v.x as f32, c.v.y as f32, c.v.z as f32));
-}
-
 fn create_window() -> (
     EventLoop<()>,
     Window,
@@ -214,6 +140,7 @@ fn create_window() -> (
 
     let window_builder = WindowBuilder::new()
         .with_title("TEST")
+        .with_maximized(true)
         .with_inner_size(LogicalSize::new(1024, 768));
 
     let (window, cfg) = glutin_winit::DisplayBuilder::new()
@@ -259,6 +186,14 @@ fn glow_context(context: &PossiblyCurrentContext) -> glow::Context {
     }
 }
 
+fn helper<'a>(gl: &'a GL, context: &PossiblyCurrentContext) -> Helper {
+    let renderer = unsafe {
+        OpenGl::new_from_function_cstr(|s| context.display().get_proc_address(s).cast()).unwrap()
+    };
+
+    Helper::new(gl, renderer)
+}
+
 fn imgui_init(window: &Window) -> (WinitPlatform, imgui::Context) {
     let mut imgui_context = imgui::Context::create();
     imgui_context.set_ini_filename(None);
@@ -279,11 +214,18 @@ fn imgui_init(window: &Window) -> (WinitPlatform, imgui::Context) {
         winit_platform.attach_window(imgui_context.io_mut(), &window, dpi_mode);
     }
 
+    let mut font_conf = FontConfig::default();
+    font_conf.size_pixels = 16.0;
+
     imgui_context
         .fonts()
-        .add_font(&[imgui::FontSource::DefaultFontData { config: None }]);
+        .add_font(&[imgui::FontSource::DefaultFontData {
+            config: Some(font_conf),
+        }]);
 
-    imgui_context.io_mut().font_global_scale = (1.0 / winit_platform.hidpi_factor()) as f32;
+    // println!("imgui global scale: {}", winit_platform.hidpi_factor());
+
+    imgui_context.io_mut().font_global_scale = (1.0 / 1.5) as f32;
 
     (winit_platform, imgui_context)
 }

src/ui/helper.rs

@@ -0,0 +1,52 @@
+use crate::{
+    pg::{layout_type::ViewPort, ModulePackage},
+    utils::resources::GL,
+};
+use femtovg::{renderer::OpenGl, Canvas};
+use glow::{NativeRenderbuffer, NativeTexture};
+
+pub struct Helper {
+    canvas: Canvas<OpenGl>,
+    viewport: ViewPort<NativeTexture>,
+}
+
+impl Helper {
+    pub fn new(gl: &GL, mut renderer: OpenGl) -> Self {
+        let mut viewport = ViewPort::<NativeTexture>::new(gl, false);
+        renderer.set_screen_target(Some(viewport.fbo().native()));
+        let mut canvas = Canvas::new(renderer).expect("Cannot create canvas");
+
+        viewport.set_size([3840.0, 2160.0]);
+        canvas.set_size(3840, 2160, 1.0);
+
+        Self { canvas, viewport }
+    }
+
+    pub fn canvas(&mut self) -> &mut Canvas<OpenGl> {
+        &mut self.canvas
+    }
+
+    pub fn set_size(&mut self, size: [f32; 2], dpi: f32) {
+        self.viewport.set_size([size[0] * dpi, size[1] * dpi]);
+        self.canvas.set_size(size[0] as u32, size[1] as u32, dpi);
+    }
+
+    pub fn render_task(&mut self, gl: &glow::Context, f: impl FnOnce(&mut Canvas<OpenGl>)) {
+        self.viewport.bind(gl);
+        f(&mut self.canvas);
+        self.canvas.flush();
+        self.viewport.unbind();
+    }
+
+    pub fn viewport(&self) -> &ViewPort<NativeTexture> {
+        &self.viewport
+    }
+
+    pub fn draw_modules(&mut self, gl: &glow::Context, modules: &Vec<ModulePackage>) {
+        self.render_task(gl, |canvas| {
+            for module in modules {
+                module.helper_task(canvas);
+            }
+        });
+    }
+}

src/ui/helper_components/colorbar.rs

@@ -0,0 +1,25 @@
+use femtovg::{renderer::OpenGl, Canvas, Color, Paint, Path};
+
+pub fn colorbar(canvas: &mut Canvas<OpenGl>, colors: &Vec<[u8; 4]>, ticks: &Vec<String>) {
+    let width = canvas.width();
+    let height = canvas.height();
+
+    let mut path = Path::new();
+
+    path.rect(0.0, 200.0, (width / 2) as f32, 200.0);
+
+    let paint = Paint::color(femtovg::Color::from(Color::rgba(255, 0, 0, 255)));
+    canvas.fill_path(&mut path, &paint);
+
+    // for (i, color) in colors.iter().enumerate() {
+    //     let y = i as f32 * 100.0 / colors.len() as f32;
+    //     let y1 = (i + 1) as f32 * 100.0 / colors.len() as f32;
+
+    //     let color = femtovg::Color::from(Color::rgba(color[0], color[1], color[2], color[3]));
+    //     let paint = Paint::color(color);
+
+    //     path.rect(20.0, y1, 50.0, 100.0 / colors.len() as f32);
+    //     let paint = Paint::color(color);
+    //     canvas.fill_path(&mut path, &paint);
+    // }
+}

src/ui/helper_components/mod.rs

@@ -0,0 +1 @@
+pub mod colorbar;

src/ui/io.rs

@@ -0,0 +1,53 @@
+use imgui::Ui;
+
+pub struct MouseIO {
+    pub position: [f32; 2],           // 鼠标当前位置
+    pub drag_delta: Option<[f32; 2]>, // 拖动开始时的鼠标位置
+    pub is_dragging: bool,            // 是否正在拖动
+    pub left_button_pressed: bool,    // 左键是否被按下
+    pub right_button_pressed: bool,   // 右键是否被按下
+    pub wheel_delta: f32,             // 鼠标滚轮变化值
+}
+
+pub struct KeyboardIO {
+    pub keys: [bool; 652], // 键盘按键状态
+}
+
+pub struct IO {
+    pub mouse: MouseIO,
+    pub keyboard: KeyboardIO,
+}
+
+impl IO {
+    pub fn new(ui: &Ui) -> Self {
+        let io = ui.io();
+
+        let delta = if ui.is_mouse_dragging(imgui::MouseButton::Left) {
+            // let delta = ui.mouse_drag_delta_with_threshold(imgui::MouseButton::Left, 5.0);
+            let delta = ui.mouse_drag_delta_with_button(imgui::MouseButton::Left);
+            ui.reset_mouse_drag_delta(imgui::MouseButton::Left);
+            Some(delta)
+        } else {
+            None
+        };
+
+        let windows_position = ui.window_pos();
+        let inner_pad = ui.window_content_region_min();
+        let position = [
+            io.mouse_pos[0] - windows_position[0] - inner_pad[0],
+            io.mouse_pos[1] - windows_position[1] - inner_pad[1],
+        ];
+
+        IO {
+            mouse: MouseIO {
+                position: position,
+                drag_delta: delta,
+                is_dragging: ui.is_mouse_dragging(imgui::MouseButton::Left),
+                left_button_pressed: io.mouse_down[0],
+                right_button_pressed: io.mouse_down[1],
+                wheel_delta: io.mouse_wheel,
+            },
+            keyboard: KeyboardIO { keys: io.keys_down },
+        }
+    }
+}

src/ui/layout.rs

@@ -0,0 +1,165 @@
+use imgui::{Condition, Ui};
+
+pub struct Layout {
+    size: [f32; 2],
+    origin: [f32; 2],
+}
+
+impl Layout {
+    pub(super) fn new() -> Self {
+        Layout {
+            size: [0.0, 0.0],
+            origin: [0.0, 0.0],
+        }
+    }
+
+    pub(super) fn set_size(&mut self, size: [f32; 2]) {
+        self.size = size;
+    }
+
+    pub(super) fn set_origin(&mut self, origin: [f32; 2]) {
+        self.origin = origin;
+    }
+
+    pub(super) fn grid(&self, cols: usize, rows: usize, gap: [f32; 2]) -> GridLayout {
+        GridLayout::new(self.size, self.origin, cols, rows, gap)
+    }
+}
+
+pub enum Size {
+    Percent(f32),
+    Fixed(f32),
+    Fill,
+}
+
+#[macro_export]
+macro_rules! size {
+    ($float:literal %) => {
+        Size::Percent($float)
+    };
+
+    ($float:literal px) => {
+        Size::Fixed($float)
+    };
+
+    (fill) => {
+        Size::Fill
+    };
+}
+
+pub struct GridLayout {
+    size: [f32; 2],
+    origin: [f32; 2],
+    cols: usize,
+    rows: usize,
+    gap: [f32; 2],
+    cursor: Vec<[f32; 2]>,
+    widths: Vec<f32>,
+    hgts: Vec<f32>,
+}
+
+impl GridLayout {
+    fn new(size: [f32; 2], origin: [f32; 2], cols: usize, rows: usize, gap: [f32; 2]) -> Self {
+        GridLayout {
+            size,
+            origin,
+            cols,
+            rows,
+            gap,
+            cursor: vec![[0.0, 0.0]; cols * rows],
+            widths: vec![0.0; cols],
+            hgts: vec![0.0; rows],
+        }
+    }
+
+    fn build(&mut self, sizes: &[Size], idx: usize) {
+        let mut start = 0.0;
+        let s = sizes
+            .iter()
+            .filter(|v| !matches!(v, Size::Fill))
+            .fold(0.0, |start, v| match v {
+                Size::Percent(p) => start + self.size[idx] * p / 100.0,
+                Size::Fixed(f) => start + *f,
+                _ => start,
+            });
+
+        let fill = self.size[idx] - s;
+
+        for (i, v) in sizes.iter().enumerate() {
+            let hgt = match v {
+                Size::Percent(p) => self.size[idx] * p / 100.0,
+                Size::Fixed(f) => *f,
+                Size::Fill => fill,
+            };
+
+            if idx == 0 {
+                for j in 0..self.rows {
+                    self.cursor[j * self.cols + i][0] = start;
+                }
+
+                self.widths[i] = hgt;
+            } else {
+                self.cursor[i * self.cols..(i + 1) * self.cols]
+                    .iter_mut()
+                    .for_each(|v| {
+                        v[1] = start;
+                    });
+
+                self.hgts[i] = hgt;
+            }
+
+            start += hgt;
+        }
+    }
+
+    pub(super) fn set_row_size(&mut self, sizes: &[Size]) {
+        assert_eq!(sizes.len(), self.rows);
+        assert!(sizes.iter().filter(|v| matches!(v, Size::Fill)).count() <= 1);
+        self.build(sizes, 1);
+    }
+
+    pub(super) fn set_col_size(&mut self, sizes: &[Size]) {
+        assert_eq!(sizes.len(), self.cols);
+        assert!(sizes.iter().filter(|v| matches!(v, Size::Fill)).count() <= 1);
+        self.build(sizes, 0);
+    }
+
+    pub(super) fn with(&mut self, row: usize, col: usize, span: [usize; 2]) -> GridBlock {
+        let curr = self.cursor[row * self.cols + col];
+        let width: f32 = self.widths.iter().skip(col).take(span[1]).sum();
+        let hgt: f32 = self.hgts.iter().skip(row).take(span[0]).sum();
+
+        GridBlock {
+            size: [width, hgt],
+            origin: [curr[0] + self.origin[0], curr[1] + self.origin[1]],
+        }
+    }
+}
+
+pub struct GridBlock {
+    size: [f32; 2],
+    origin: [f32; 2],
+}
+
+impl GridBlock {
+    fn pos(&self, x: f32, y: f32) -> [f32; 2] {
+        [self.origin[0] + x, self.origin[1] + y]
+    }
+
+    pub fn build<F>(&self, ui: &Ui, f: F)
+    where
+        F: FnOnce(&Ui, [f32; 2], [f32; 2]),
+    {
+        f(ui, self.size, self.origin);
+    }
+
+    pub fn start_window<'a, Label: AsRef<str>>(
+        &self,
+        ui: &'a Ui,
+        title: Label,
+    ) -> imgui::Window<'a, 'a, Label> {
+        ui.window(title)
+            .size(self.size, Condition::Always)
+            .position(self.origin, Condition::Always)
+    }
+}

src/ui/mod.rs

@@ -0,0 +1,105 @@
+use std::path::PathBuf;
+
+use log::*;
+
+use crate::data_loader::Data;
+use crate::errors::*;
+use crate::pg::layout_type::Layout;
+use crate::pg::{ModulePackage, Programs};
+use crate::utils::cache::Cache;
+use crate::utils::resources::{RcGlRcFramebuffer, RcGlRcRenderbuffer, RcGlRcResource, GL};
+use glow::HasContext;
+use glow::{NativeFramebuffer, NativeRenderbuffer};
+use imgui::*;
+#[macro_use]
+mod layout;
+pub mod helper;
+pub mod io;
+mod state;
+pub mod typ;
+pub use layout::*;
+pub use state::State;
+pub mod helper_components;
+pub mod operation;
+
+pub struct GUI {
+    state: State,
+    layout_manager: layout::Layout,
+    renderer_size: [f32; 2],
+}
+
+impl GUI {
+    pub fn new(state: State) -> Self {
+        GUI {
+            state,
+            layout_manager: layout::Layout::new(),
+            renderer_size: [0.0, 0.0],
+        }
+    }
+
+    pub fn layout<'a, 'gl>(&'a mut self, gl: &'gl GL) -> Layout<'gl> {
+        self.state.app_type.init_apptype(gl)
+    }
+
+    pub fn render<'b, 'gl>(
+        &mut self,
+        ui: &Ui,
+        context: &'b mut crate::pg::Context<'gl>,
+        layout_atta: &'b mut Layout<'gl>,
+    ) -> bool {
+        // Menu bar
+        self.menu_bar(ui, context, layout_atta);
+        let menu_bar_height = ui.frame_height();
+        let display_size = ui.io().display_size;
+
+        // Layout Size Reset
+        self.layout_manager.set_origin([0.0, menu_bar_height]);
+        self.layout_manager
+            .set_size([display_size[0], display_size[1] - menu_bar_height]);
+
+        // Render
+        self.state
+            .app_type
+            .render(ui, context, &mut self.layout_manager, layout_atta);
+
+        true
+    }
+
+    fn menu_bar<'b, 'gl>(
+        &self,
+        ui: &Ui,
+        context: &'b mut crate::pg::Context<'gl>,
+        layout_atta: &mut Layout<'gl>,
+    ) {
+        if let Some(top_menu) = ui.begin_main_menu_bar() {
+            if let Some(menu) = ui.begin_menu("File") {
+                if ui.menu_item("Open") {
+                    match tinyfiledialogs::open_file_dialog("Open", "password.txt", None) {
+                        Some(file) => match context.load_data(file.clone()) {
+                            Ok(data) => {
+                                info!("Data loaded: {:?}", file);
+                                layout_atta.append_package(data);
+                            }
+                            Err(e) => {
+                                error!("Failed to get or insert data: {:?}", e);
+                            }
+                        },
+                        None => {
+                            error!("No file selected");
+                        }
+                    }
+                }
+
+                if ui.menu_item("Save") {
+                    println!("Save clicked");
+                }
+
+                if ui.menu_item("Exit") {}
+
+                menu.end();
+            }
+
+            top_menu.end();
+        }
+    }
+}

src/ui/operation.rs

@@ -0,0 +1,137 @@
+use super::typ::CameraOP;
+use crate::{
+    camera::Camera,
+    components::Program,
+    graphics::{AttaWithProgram, AttachWithIO},
+    pg::layout_type::ViewPort,
+};
+
+pub struct Operation<T: AttachWithIO> {
+    camera: Camera,
+    projection: Projection,
+    operation: T,
+    need_update: bool,
+}
+
+impl<T: AttachWithIO + AttaWithProgram> Operation<T> {
+    pub fn new(operation: T, aspect: f32, fov: f32, z_near: f32, z_far: f32) -> Self {
+        let projection = Projection::new(aspect, fov, z_near, z_far);
+        Self {
+            projection,
+            camera: operation.init_camera(),
+            operation,
+            need_update: true,
+        }
+    }
+
+    pub fn deal_io(&mut self, viewport: &ViewPort, io: &super::io::IO) {
+        self.need_update = self.operation.attach_with_mouse(
+            &T::State::from_context(io),
+            &mut self.camera,
+            &mut self.projection,
+            viewport,
+        );
+    }
+
+    pub fn set_camera(&mut self, f: impl Fn(&mut Camera)) {
+        f(&mut self.camera);
+        self.need_update = true;
+    }
+
+    pub fn set_projection(&mut self, f: impl Fn(&mut Projection)) {
+        f(&mut self.projection);
+        self.need_update = true;
+    }
+
+    pub fn attach_with_program(&self, gl: &glow::Context, program: &mut Program) {
+        use glow::HasContext;
+        unsafe {
+            let projection = program.get_uniform_location(gl, "trackball_projection");
+            gl.uniform_matrix_4_f32_slice(projection.as_ref(), false, self.projection.as_slice());
+            let view = program.get_uniform_location(gl, "trackball_view");
+            gl.uniform_matrix_4_f32_slice(
+                view.as_ref(),
+                false,
+                self.camera.get_view_matrix().as_slice(),
+            );
+        }
+        self.operation.attach_with_program(gl, program);
+    }
+
+    pub fn is_need_update(&self) -> bool {
+        self.need_update
+    }
+
+    pub fn reset(&mut self) {
+        self.operation.reset();
+        self.need_update = true;
+    }
+
+    pub fn clean(&mut self) {
+        self.need_update = false;
+    }
+}
+
+pub struct Projection {
+    fov: f32,
+    z_near: f32,
+    z_far: f32,
+    aspect: f32,
+    projection: nalgebra_glm::Mat4,
+}
+
+impl Projection {
+    fn new(aspect: f32, fov: f32, z_near: f32, z_far: f32) -> Self {
+        let projection = nalgebra_glm::perspective(aspect, fov.to_radians(), z_near, z_far);
+        Self {
+            aspect,
+            fov,
+            z_far,
+            z_near,
+            projection,
+        }
+    }
+    fn new_perspective(&self) -> nalgebra_glm::Mat4 {
+        nalgebra_glm::perspective(self.aspect, self.fov.to_radians(), self.z_near, self.z_far)
+    }
+
+    pub fn set_aspect(&mut self, aspect: f32) {
+        self.aspect = aspect;
+        self.projection = self.new_perspective();
+    }
+
+    pub fn set_fov(&mut self, fov: f32) {
+        self.fov = fov;
+        self.projection = self.new_perspective();
+    }
+
+    pub fn set_z_near(&mut self, z_near: f32) {
+        self.z_near = z_near;
+        self.projection = self.new_perspective();
+    }
+
+    pub fn set_z_far(&mut self, z_far: f32) {
+        self.z_far = z_far;
+        self.projection = self.new_perspective();
+    }
+
+    pub fn fov(&self) -> f32 {
+        self.fov
+    }
+
+    pub fn z_far(&self) -> f32 {
+        self.z_far
+    }
+
+    pub fn z_near(&self) -> f32 {
+        self.z_near
+    }
+
+    pub fn aspect(&self) -> f32 {
+        self.aspect
+    }
+
+    fn as_slice(&self) -> &[f32] {
+        self.projection.as_slice()
+    }
+}

src/ui/state.rs

@@ -0,0 +1,60 @@
+use super::typ::{LayoutMod, MainLoad};
+use crate::pg::ModulePackage;
+use crate::utils::resources::GL;
+
+macro_rules! uit {
+    ($s:ident,$({$b: tt => $exp:ident($($gl: ident),+)},)*) => {
+        {
+            match $s {
+                $(
+                    Self::$b(v) => v.$exp($($gl),+),
+                )*
+                _ => {
+                    panic!("UiType not found");
+                }
+            }
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct State {
+    pub example: u32,
+    pub i32_value: i32,
+    pub u8_value: u8,
+    pub f32_value: f32,
+    pub f64_formatted: f64,
+    pub array: [u8; 4],
+    pub render_closable: bool,
+    pub notify_text: &'static str,
+    pub app_type: UiType,
+}
+
+pub enum UiType {
+    Mainload(MainLoad),
+    Other,
+}
+
+impl UiType {
+    pub(super) fn render<'b, 'gl: 'b>(
+        &mut self,
+        ui: &imgui::Ui,
+        context: &mut crate::pg::Context<'gl>,
+        layout: &mut crate::ui::layout::Layout,
+        app_typ: &mut crate::pg::layout_type::Layout<'gl>,
+    ) {
+        let gl = context.gl;
+        let app_typ = app_typ.into();
+        uit!(self,  {Mainload => render(ui,context,layout,app_typ)},);
+    }
+
+    pub fn init_apptype<'gl>(&mut self, gl: &'gl GL) -> crate::pg::layout_type::Layout<'gl> {
+        uit!(self,  {Mainload => init(gl)},).into()
+    }
+}
+
+impl Default for UiType {
+    fn default() -> Self {
+        Self::Mainload(MainLoad::new())
+    }
+}

src/ui/typ/main_load.rs

@@ -0,0 +1,233 @@
+use std::thread::panicking;
+
+use super::{CameraOP, Layout, LayoutAttach, LayoutMod, Size};
+use crate::camera::Camera;
+use crate::graphics::threed::Trackball;
+use crate::graphics::transforms::plane::PlaneTrans;
+use crate::graphics::{AttaWithProgram, AttachWithIO, MouseKeyboardState, MouseState};
+use crate::pg::ModulePackage;
+use crate::pg::{_ModulePackage, layout_type::ViewPort};
+use crate::ui::helper::Helper;
+use crate::ui::io::IO;
+use crate::ui::operation::Operation;
+use crate::utils::resources::GL;
+use bytemuck::Contiguous;
+use glow::{HasContext, NativeRenderbuffer};
+use imgui::{Condition, TextureId, Ui, WindowFlags};
+use nalgebra_glm::Vec3;
+
+pub struct MainLoad {}
+
+impl LayoutMod for MainLoad {
+    type Attach<'gl> = MainLoadAttach<'gl>;
+    fn render<'b, 'gl>(
+        &mut self,
+        ui: &imgui::Ui,
+        context: &mut crate::pg::Context<'gl>,
+        layout: &mut Layout,
+        apptyp: &mut Self::Attach<'gl>,
+    ) where
+        'gl: 'b,
+    {
+        let mut changed = true;
+        let mut grid = layout.grid(2, 1, [0.0, 0.0]);
+        grid.set_col_size(&[size!(20.0%), size!(fill)]);
+        grid.set_row_size(&[size!(fill)]);
+        let io = ui.io();
+
+        let window_flag = WindowFlags::empty()
+            | WindowFlags::NO_MOVE
+            | WindowFlags::NO_RESIZE
+            | WindowFlags::NO_COLLAPSE
+            | WindowFlags::NO_TITLE_BAR;
+
+        grid.with(0, 0, [1, 1])
+            .start_window(ui, "MainLoad")
+            .build(|| {
+                for package in 0..apptyp.packages.len() {
+                    if ui.button(format!("Delete Package {}", package)) {
+                        apptyp.packages.remove(package);
+                    }
+                }
+
+                ui.separator();
+
+                for package in apptyp.packages.iter_mut() {
+                    if package.ui_build(ui).unwrap() {
+                        package.dirty();
+                    }
+                }
+
+                ui.separator();
+
+                if ui.button("ON TOP") {
+                    apptyp
+                        .operation
+                        .set_camera(|c| c.set_position(Vec3::new(0.0, 0.0, 20.0)));
+                    apptyp.operation.reset();
+                }
+            });
+
+        grid.with(0, 1, [1, 1])
+            .build(ui, |ui, window_size, origin| {
+                let window_size = [window_size[0], window_size[0] / 16.0 * 9.0];
+                ui.window("Renderer")
+                    .size(window_size, Condition::Always)
+                    .flags(window_flag)
+                    .position(origin, Condition::Always)
+                    .build(|| {
+                        let gl = context.gl.gl_rc();
+                        let scale = ui.io().display_framebuffer_scale;
+                        let pos = ui.cursor_screen_pos();
+                        let dsp_size = ui.io().display_size;
+
+                        let content_size = ui.content_region_avail();
+
+                        // Change the size of the viewport
+                        apptyp.main_viewport.set_size(content_size);
+                        // context.helper.set_size(content_size, scale[0]);
+
+                        let draws = ui.get_window_draw_list();
+                        draws.channels_split(2, |channels| {
+                            channels.set_current(0);
+                            let fbo = apptyp.main_viewport.fbo();
+                            let main_fbo = fbo.native();
+
+                            draws
+                                .add_callback({
+                                    move || unsafe {
+                                        let x = pos[0] * scale[0];
+                                        let y = (dsp_size[1] - pos[1]) * scale[1];
+
+                                        gl.bind_framebuffer(glow::READ_FRAMEBUFFER, Some(main_fbo));
+                                        gl.blit_framebuffer(
+                                            0,
+                                            0,
+                                            (content_size[0]) as i32,
+                                            (content_size[1]) as i32,
+                                            x as i32,
+                                            y as i32,
+                                            (x + content_size[0] * scale[0]) as i32,
+                                            (y - content_size[1] * scale[1]) as i32,
+                                            glow::COLOR_BUFFER_BIT,
+                                            glow::NEAREST,
+                                        );
+                                        gl.bind_framebuffer(glow::READ_FRAMEBUFFER, None);
+                                    }
+                                })
+                                .build();
+
+                            channels.set_current(1);
+
+                            let helper = context.helper.viewport();
+                            let texture = helper.texture().native();
+                            let gl = context.gl.gl_rc();
+
+                            draws
+                                .add_image(
+                                    TextureId::new(texture.0.into_integer() as usize),
+                                    pos,
+                                    [
+                                        pos[0] + content_size[0] * scale[0],
+                                        pos[1] + content_size[1] * scale[1],
+                                    ],
+                                )
+                                .build();
+                        });
+
+                        if ui.is_window_hovered() {
+                            let cio = IO::new(ui);
+                            apptyp.operation.deal_io(&apptyp.main_viewport, &cio);
+                        }
+                    });
+            });
+    }
+
+    fn init<'gl>(&mut self, gl: &'gl GL) -> Self::Attach<'gl> {
+        let typ = MainLoadAttach {
+            main_viewport: ViewPort::<NativeRenderbuffer>::new(gl, true),
+            packages: Vec::new(),
+            operation: Operation::new(PlaneTrans::default(), 16.0 / 9.0, 45.0, 0.1, 1000.0),
+        };
+        typ
+    }
+}
+
+impl MainLoad {
+    pub fn new() -> Self {
+        MainLoad {}
+    }
+}
+
+pub struct MainLoadAttach<'gl> {
+    operation: Operation<PlaneTrans>,
+    main_viewport: ViewPort,
+    packages: Vec<ModulePackage<'gl>>,
+}
+
+impl CameraOP for MouseState {
+    fn from_context(context: &IO) -> Self {
+        if context.mouse.is_dragging {
+            Self::Drag {
+                from: context.mouse.position,
+                delta: context.mouse.drag_delta.unwrap(),
+            }
+        } else {
+            if context.mouse.wheel_delta != 0.0 {
+                Self::Wheel(context.mouse.wheel_delta)
+            } else {
+                Self::None
+            }
+        }
+    }
+}
+
+impl CameraOP for MouseKeyboardState {
+    fn from_context(context: &IO) -> Self {
+        Self {
+            mouse_state: MouseState::from_context(context),
+            keyboard_state: context.keyboard.keys,
+        }
+    }
+}
+
+impl<'gl> LayoutAttach<'gl> for MainLoadAttach<'gl> {
+    fn append(&mut self, package: ModulePackage<'gl>) {
+        self.packages.push(package);
+    }
+
+    fn render_task(
+        &mut self,
+        gl: &glow::Context,
+        programs: &mut crate::pg::Programs<'gl>,
+        helper: &mut Helper,
+    ) -> crate::errors::Result<()> {
+        // helper.draw_modules(gl, &self.packages);
+
+        let need_launch =
+            self.packages.iter().any(|v| v.need_update) || self.operation.is_need_update();
+        if need_launch {
+            // Helper task
+            self.main_viewport.bind(gl);
+
+            unsafe {
+                gl.clear(glow::COLOR_BUFFER_BIT | glow::DEPTH_BUFFER_BIT);
+            }
+
+            for package in self.packages.iter_mut() {
+                programs.draw_modules(package, &self.operation, &self.main_viewport)?;
+            }
+
+            self.operation.clean();
+        }
+
+        if self.packages.is_empty() {
+            unsafe {
+                gl.clear(glow::COLOR_BUFFER_BIT);
+            }
+        }
+        self.main_viewport.unbind();
+
+        Ok(())
+    }
+}

src/ui/typ/mod.rs

@@ -0,0 +1,81 @@
+use std::fmt::Debug;
+
+use super::helper;
+use super::io::IO;
+use super::layout::{Layout, Size};
+mod main_load;
+use crate::pg::layout_type::Layout as _Layout;
+use crate::pg::{self, ModuleCursor, ModulePackage, Programs};
+use crate::utils::resources::GL;
+pub use main_load::*;
+
+macro_rules! app_type_into {
+    ($({$t: ty => $b:tt},)+) => {
+        $(
+            impl<'gl> From<$t> for _Layout<'gl> {
+                fn from(t: $t) -> Self {
+                    Self::$b(t)
+                }
+            }
+
+            impl<'a,'gl> From<&'a _Layout<'gl>> for &'a $t {
+                fn from(t: &'a _Layout<'gl>) -> Self {
+                    if let _Layout::$b(t) = t {
+                        t
+                    } else {
+                        panic!("_Layout is not {}", stringify!($b));
+                    }
+                }
+            }
+
+            impl<'a,'gl> From<&'a mut _Layout<'gl>> for &'a mut $t {
+                fn from(t: &'a mut _Layout<'gl>) -> Self {
+                    if let _Layout::$b(t) = t {
+                        t
+                    } else {
+                        panic!("_Layout is not {}", stringify!($b));
+                    }
+                }
+            }
+
+        )+
+    };
+}
+
+pub trait LayoutMod {
+    type Attach<'gl>: Into<_Layout<'gl>> + LayoutAttach<'gl>;
+    fn render<'dt, 'b, 'gl>(
+        &mut self,
+        ui: &imgui::Ui,
+        context: &mut crate::pg::Context<'gl>,
+        layout: &mut Layout,
+        apptyp: &mut Self::Attach<'gl>,
+    ) where
+        'gl: 'b;
+    fn init<'dt, 'gl>(&mut self, gl: &'gl GL) -> Self::Attach<'gl>;
+}
+
+pub trait LayoutAttach<'gl> {
+    fn append(&mut self, package: ModulePackage<'gl>);
+
+    fn render_task(
+        &mut self,
+        gl: &glow::Context,
+        programs: &mut Programs<'gl>,
+        helper: &mut helper::Helper,
+    ) -> crate::errors::Result<()>;
+}
+
+pub trait CameraOP {
+    fn from_context(context: &IO) -> Self;
+}
+
+impl CameraOP for () {
+    fn from_context(context: &IO) -> Self {
+        ()
+    }
+}
+
+app_type_into!({
+    MainLoadAttach<'gl> => MainLoad
+},);

src/utils/cache.rs

@@ -0,0 +1,61 @@
+use crate::errors::*;
+use std::{cell::RefCell, hash::Hash, num::NonZeroUsize, rc::Rc};
+
+use lru::LruCache;
+
+use crate::data_loader::Data;
+pub struct Cache<K: Hash + Eq, V> {
+    cache: LruCache<K, V>,
+}
+
+impl<K: Hash + Eq, V> Cache<K, V> {
+    pub fn new() -> Self {
+        Self {
+            cache: LruCache::new(NonZeroUsize::new(10).unwrap()),
+        }
+    }
+    pub fn get(&mut self, key: &K) -> Option<&V> {
+        self.cache.get(key)
+    }
+
+    pub fn get_mut(&mut self, key: &K) -> Option<&mut V> {
+        self.cache.get_mut(key)
+    }
+}
+
+impl<K, V> Cache<K, V>
+where
+    K: AsRef<std::path::Path> + Hash + Eq + Clone,
+    V: CacheData,
+{
+    pub fn insert(&mut self, key: K) -> Result<()> {
+        let value = V::from_path(&key)?;
+        self.cache.put(key, value);
+        Ok(())
+    }
+
+    pub fn get_or_insert(&mut self, key: K) -> Result<&V> {
+        if !self.cache.contains(&key) {
+            self.insert(key.clone())?;
+        }
+        Ok(self.cache.get(&key).unwrap())
+    }
+}
+
+pub type CachedData<T> = Rc<RefCell<T>>;
+
+pub trait CacheData: Sized {
+    fn from_path(path: impl AsRef<std::path::Path>) -> Result<Self>;
+}
+
+impl CacheData for Data {
+    fn from_path(path: impl AsRef<std::path::Path>) -> Result<Self> {
+        Data::from_path(path)
+    }
+}
+
+impl<T: CacheData> CacheData for CachedData<T> {
+    fn from_path(path: impl AsRef<std::path::Path>) -> Result<Self> {
+        Ok(Rc::new(RefCell::new(T::from_path(path)?)))
+    }
+}

src/utils/color_tools.rs

@@ -0,0 +1,18 @@
+pub fn hex_to_rgba_u8(hex: &str) -> Result<[u8; 4], String> {
+    let hex = hex.trim_start_matches('#');
+
+    if hex.len() != 6 && hex.len() != 8 {
+        return Err("Hex color should be in #RRGGBB or #RRGGBBAA format".to_string());
+    }
+
+    let r = u8::from_str_radix(&hex[0..2], 16).map_err(|e| e.to_string())?;
+    let g = u8::from_str_radix(&hex[2..4], 16).map_err(|e| e.to_string())?;
+    let b = u8::from_str_radix(&hex[4..6], 16).map_err(|e| e.to_string())?;
+    let a = if hex.len() == 8 {
+        u8::from_str_radix(&hex[6..8], 16).map_err(|e| e.to_string())?
+    } else {
+        255 // 默认不透明
+    };
+
+    Ok([r, g, b, a])
+}

src/utils/mod.rs

@@ -1,7 +1,10 @@
+pub mod color_tools;
 mod parser;
+pub mod resources;
 use include_dir::{include_dir, Dir};
 pub use parser::*;
 use std::{num::NonZeroU32, path::Path};
+pub mod cache;
 pub mod geo_tools;
 
 use glow::HasContext;

src/utils/parser.rs

@@ -514,6 +514,9 @@ impl Code {
                     Code::PreprocessorDirective(Rc::new(RefCell::new(pre)), Box::new(inner))
                 },
             ),
+            map(terminated(parse_struct, pair(space0, char(';'))), |v| {
+                Code::Struct(Rc::new(RefCell::new(v)))
+            }),
             map(parse_macro, |v| Code::Macro(Rc::new(RefCell::new(v)))),
             map(include, |v| Code::Include(Rc::new(RefCell::new(v)))),
             map(function, |v| Code::Function(Rc::new(RefCell::new(v)))),
@@ -1037,6 +1040,7 @@ fn parse_struct_member_access(input: &str) -> IResult<&str, Expression> {
                 // parse_struct_pointer_access,
                 map(hook, Expression::Hook),
                 parse_array_access,
+                parse_function_call,
                 map(identifier, |v| Expression::Variable(v.to_string())),
             )),
             char('.'),
@@ -1244,6 +1248,7 @@ pub struct SnippetCode {
     pub includes: Vec<RFC<Include>>,
     pub variables: Vec<RFC<ShareVariable>>,
     pub functions: Vec<RFC<Function>>,
+    pub structs: Vec<RFC<Struct>>,
     pub preprocessor_directives: HashMap<SnippetPreprocessorKey, Box<SnippetCode>>,
 }
 
@@ -1562,6 +1567,14 @@ impl SnippetCode {
             })
             .collect();
 
+        let structs = codes
+            .iter()
+            .filter_map(|v| match v {
+                Code::Struct(v) => Some(v.clone()),
+                _ => None,
+            })
+            .collect();
+
         let mut preprocessor_directives = vec![];
 
         for code in codes.into_iter() {
@@ -1579,6 +1592,7 @@ impl SnippetCode {
             includes: includes,
             variables: variables,
             functions: functions,
+            structs: structs,
             preprocessor_directives: preprocessor_directives.into_iter().collect(),
         })
     }
@@ -1838,60 +1852,173 @@ impl SnippetCode {
 #[test]
 fn test() {
     let input = r#"
-    #include "transform/polar.glsl"
+    uniform sampler2D atlas_data;
+uniform vec2 v_texCoord;
 
-    layout(points) in;
-    layout(triangle_strip, max_vertices = 4) out;
-
-    // conf: Elevation, Range, Resolution, 0.0
-    uniform vec4 conf;
-
-    out float eth;
-    out float rng;
-
-    out vec4 vrange;
-
-
-    void main() {
-
-        // Resolution
-        vec4 reso = vec4(conf.x/2.0, conf.y/2.0, 0.0, 0.0);
-        float c = cos(reso.x);
-
-        vec4 po = gl_in[0].gl_Position;
-
-        vrange = vec4(po.x - reso.x, po.y - reso.y, po.x + reso.x, po.y + reso.y);
-
-        gl_Position = po - reso;
-        eth = gl_Position.x;
-        rng = gl_Position.y;
-        gl_Position = <transform(forward(gl_Position))>;
-        EmitVertex();
-
-        gl_Position = po + vec4(-reso.x, reso.y, 0.0, 0.0);   
-        gl_Position.y = gl_Position.y / c;
-        eth = gl_Position.x;
-        rng = gl_Position.y;
-        gl_Position = <transform(forward(gl_Position))>;
-        EmitVertex();
-
-        gl_Position = po + reso;
-        gl_Position.y = gl_Position.y / c;
-        eth = gl_Position.x;
-        rng = gl_Position.y;
-        gl_Position = <transform(forward(gl_Position))>;
-        EmitVertex();
-
-        gl_Position = po + vec4(reso.x, -reso.y, 0.0, 0.0);
-        eth = gl_Position.x;
-        rng = gl_Position.y;
-        gl_Position = <transform(forward(gl_Position))>;
-        EmitVertex();
-
-        EndPrimitive();
+uniform vec4 uClipUV;
+uniform vec2 uSdfUV;
+uniform vec4 uSdfConfig;
+uniform int uRepeat;
+uniform int uMode;
+uniform vec4 uShape;
+uniform vec4 uRadius;
+uniform vec4 uBorder;
+uniform vec4 uStroke;
+uniform vec4 uFill;
 
+float getUVScale(vec2 sdfUV) {
+    float dx = dFdx(sdfUV.x);
+    float dy = dFdy(sdfUV.y);
+    return (sqrt(dx * dx + dy * dy) + sqrt(dy * dy + dx * dx)) * 0.5;
 }
 
+struct SDF {
+    float outer;
+    float inner;
+};
+
+float getBoxCorner(vec2 xy, vec2 offset) {
+    vec2 clip = xy - offset;
+    return min(clip.x, clip.y);
+}
+
+float getCircleCorner(vec2 xy, float r) {
+    vec2 clip = max(vec2(0.0), r - xy);
+    float neg = min(0.0, max(-xy.x, -xy.y) + r);
+    return r - length(clip) - neg;
+}
+
+SDF getBoxSDF(vec2 box, vec2 uv, float scale) {
+    vec2 nearest = round(uv);
+    vec2 xy = (abs(uv - 0.5) - 0.5) * box;
+    float d1 = max(xy.x, xy.y);
+    float outer = -d1;
+    float o = outer / scale;
+    return SDF(o, o);
+}
+
+SDF getBorderBoxSDF(vec2 box, vec4 border, vec2 uv, float scale) {
+    vec2 nearest = round(uv);
+    vec2 xy = (abs(uv - 0.5) - 0.5) * box;
+    float d1 = max(xy.x, xy.y);
+    float outer = -d1;
+
+    vec4 flipUV = vec4(uv, 1.0 - uv);
+    vec2 tl = flipUV.xy * box;
+    vec2 tr = flipUV.zy * box;
+    vec2 bl = flipUV.xw * box;
+    vec2 br = flipUV.zw * box;
+
+    vec4 i4 = vec4(
+        getBoxCorner(tl, vec2(border.x, border.y)),
+        getBoxCorner(tr, vec2(border.z, border.y)),
+        getBoxCorner(bl, vec2(border.x, border.w)),
+        getBoxCorner(br, vec2(border.z, border.w))
+    );
+    float inner = min(min(i4.x, i4.y), min(i4.z, i4.w));
+
+    return SDF(outer / scale, inner / scale);
+}
+
+SDF getRoundedBorderBoxSDF(vec2 box, vec4 border, vec4 radius, vec2 uv, float scale) {
+    vec4 flipUV = vec4(uv, 1.0 - uv);
+    vec2 tl = flipUV.xy * box;
+    vec2 tr = flipUV.zy * box;
+    vec2 bl = flipUV.xw * box;
+    vec2 br = flipUV.zw * box;
+
+    vec4 o4 = vec4(
+        getCircleCorner(tl, radius.x),
+        getCircleCorner(tr, radius.y),
+        getCircleCorner(bl, radius.w),
+        getCircleCorner(br, radius.z)
+    );
+    float outer = min(min(o4.x, o4.y), min(o4.z, o4.w));
+
+    tl = tl - border.xy;
+    tr = tl - border.zy;
+    bl = tl - border.xw;
+    br = tl - border.zw;
+
+    vec4 innerRadius = max(
+        vec4(0.0),
+        radius - vec4(
+            max(border.x, border.y),
+            max(border.z, border.y),
+            max(border.x, border.w),
+            max(border.z, border.w)
+        )
+    );
+
+    vec4 i4 = vec4(
+        getCircleCorner(tl, innerRadius.x),
+        getCircleCorner(tr, innerRadius.y),
+        getCircleCorner(bl, innerRadius.w),
+        getCircleCorner(br, innerRadius.z)
+    );
+    float inner = min(min(i4.x, i4.y), min(i4.z, i4.w));
+
+    return SDF(outer / scale, inner / scale);
+}
+
+vec4 getTexture(vec2 uv) {
+    return texture(uTexture, uv);
+}
+
+vec4 getMask(vec4 color, vec2 uv, vec2 st) {
+    return color; // 默认不修改颜色
+}
+
+out vec4 fragColor;
+
+void main() {
+    vec4 fillColor = uFill;
+    vec4 strokeColor = uStroke;
+
+    float scale = getUVScale(uSdfUV);
+
+    vec4 texture = getTexture(uTextureUV);
+    float sdfRaw = 0.0;
+    float mark = 0.0;
+
+    if (uMode == -1 || uMode == -2) {
+        float sdfRadius = uSdfConfig.x;
+        float expand = uBorder.x;
+        float bleed = uBorder.y;
+
+        float d = (texture.a - 0.75) * sdfRadius;
+        float s = (d + expand / uSdfConfig.y) / scale + 0.5 + bleed;
+        float sdf = s; // Assuming SDF returns a single float, adjust as necessary
+
+        if (uMode == -2) {
+            fillColor = vec4(texture.rgb, fillColor.a);
+        }
+    } else {
+        // More complex logic for other modes
+        if (texture.a > 0.0) {
+            if (((uRepeat == 0 || uRepeat == 1) && (uTextureUV.x < 0.0 || uTextureUV.x > 1.0)) ||
+                ((uRepeat == 0 || uRepeat == 2) && (uTextureUV.y < 0.0 || uTextureUV.y > 1.0))) {
+                texture.a = 0.0;
+            }
+
+            if (texture.a > 0.0) {
+                fillColor = vec4(mix(fillColor.rgb * (1.0 - texture.a), texture.rgb, texture.a), mix(fillColor.a, 1.0, texture.a));
+            }
+        } else {
+            fillColor = fillColor; // Use premultiply function if needed
+        }
+    }
+
+    if (gl_FragCoord.x < uClipUV.x || gl_FragCoord.y < uClipUV.y || gl_FragCoord.x > uClipUV.z || gl_FragCoord.y > uClipUV.w) {
+        discard;
+    }
+
+    // Compute mask based on SDF
+    float mask = clamp(sdf, 0.0, 1.0);
+
+    // Final color blending logic here
+    fragColor = vec4(fillColor.rgb + mark, fillColor.a * mask + mark); // Simplified for clarity
+}
     "#;
 
     let result = CodeBlock::new(input).unwrap();
@@ -1974,14 +2101,48 @@ fn test_shared_variable() {
 #[test]
 fn test_function() {
     let input = r#"
-    float norm_rad(float rad) {
-    float result = mod(angle, M_2_PI);
-    if(result < 0.0) {
-        result = M_2_PI + result;
+
+    SDF getRoundedBorderBoxSDF(vec2 box, vec4 border, vec4 radius, vec2 uv, float scale) {
+    vec4 flipUV = vec4(uv, 1.0 - uv);
+    vec2 tl = flipUV.xy * box;
+    vec2 tr = flipUV.zy * box;
+    vec2 bl = flipUV.xw * box;
+    vec2 br = flipUV.zw * box;
+
+    vec4 o4 = vec4(
+        getCircleCorner(tl, radius.x),
+        getCircleCorner(tr, radius.y),
+        getCircleCorner(bl, radius.w),
+        getCircleCorner(br, radius.z)
+    );
+    float outer = min(min(o4.x, o4.y), min(o4.z, o4.w));
+
+    tl = tl - border.xy;
+    tr = tl - border.zy;
+    bl = tl - border.xw;
+    br = tl - border.zw;
+
+    vec4 innerRadius = max(
+        vec4(0.0),
+        radius - vec4(
+            max(border.x, border.y),
+            max(border.z, border.y),
+            max(border.x, border.w),
+            max(border.z, border.w)
+        )
+    );
+
+    vec4 i4 = vec4(
+        getCircleCorner(tl, innerRadius.x),
+        getCircleCorner(tr, innerRadius.y),
+        getCircleCorner(bl, innerRadius.w),
+        getCircleCorner(br, innerRadius.z)
+    );
+    float inner = min(min(i4.x, i4.y), min(i4.z, i4.w));
+
+    return SDF(outer / scale, inner / scale);
 }
 
-    return result;
-}
 
     "#;
 

src/utils/resources.rs

@@ -0,0 +1,314 @@
+use glow::{
+    HasContext, NativeBuffer, NativeFramebuffer, NativeRenderbuffer, NativeTexture,
+    NativeVertexArray,
+};
+use log::info;
+use std::{borrow::Borrow, ops::Deref, rc::Rc};
+
+pub type RcGlFramebuffer<'a> = RcGlResource<'a, NativeFramebuffer>;
+pub type RcGlRenderbuffer<'a> = RcGlResource<'a, NativeRenderbuffer>;
+pub type RcGlRcFramebuffer = RcGlRcResource<NativeFramebuffer>;
+pub type RcGlRcRenderbuffer = RcGlRcResource<NativeRenderbuffer>;
+pub type RcGlTexture<'a> = RcGlResource<'a, NativeTexture>;
+pub type RcGlVertexArray<'a> = RcGlResource<'a, NativeVertexArray>;
+pub type RcGlBuffer<'a> = RcGlResource<'a, NativeBuffer>;
+
+// pub type RcGlResource<'a, T> = Rc<GlResource<'a, T>>;
+pub trait ManagedResource {
+    fn bind(&self, target: u32);
+    fn unbind(&self, target: u32);
+}
+#[derive(Debug, Clone)]
+pub struct RcGlResource<'a, T: Resource>(Rc<GlResource<'a, T>>);
+
+#[derive(Clone)]
+pub struct RcGlRcResource<T: Resource>(Rc<GlRcResource<T>>);
+
+impl<'a, T: Resource> RcGlResource<'a, T> {
+    pub fn new(gl: &'a glow::Context, resource: T) -> Self {
+        Self(Rc::new(GlResource::new(resource, gl)))
+    }
+
+    pub fn native(&self) -> T {
+        self.0.resource.clone()
+    }
+}
+
+impl<'a, T> From<&'a GlRcResource<T>> for GlResource<'a, T>
+where
+    T: Resource,
+{
+    fn from(value: &'a GlRcResource<T>) -> Self {
+        GlResource::new(value.resource.clone(), &value.gl)
+    }
+}
+
+impl<'a, T: Resource> Deref for RcGlResource<'a, T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        self.0.deref()
+    }
+}
+
+impl<T: Resource> RcGlRcResource<T> {
+    pub fn new(gl: Rc<glow::Context>, resource: T) -> Self {
+        Self(Rc::new(GlRcResource::new(resource, gl)))
+    }
+
+    pub fn native(&self) -> T {
+        self.0.resource.clone()
+    }
+}
+
+impl<T: Resource> Deref for RcGlRcResource<T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        self.0.deref()
+    }
+}
+
+pub trait Resource: Clone + std::fmt::Debug {
+    fn drop_self(&self, gl: &glow::Context);
+
+    fn create(gl: &glow::Context) -> Self;
+
+    fn bind(&self, gl: &glow::Context, target: u32);
+
+    fn unbind(&self, gl: &glow::Context, target: u32);
+}
+
+impl Resource for NativeVertexArray {
+    fn drop_self(&self, gl: &glow::Context) {
+        unsafe {
+            gl.delete_vertex_array(*self);
+        }
+    }
+
+    fn create(gl: &glow::Context) -> Self {
+        unsafe { gl.create_vertex_array().unwrap() }
+    }
+
+    fn bind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_vertex_array(Some(*self));
+        }
+    }
+
+    fn unbind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_vertex_array(Some(*self));
+        }
+    }
+}
+
+impl Resource for NativeBuffer {
+    fn drop_self(&self, gl: &glow::Context) {
+        unsafe {
+            gl.delete_buffer(*self);
+        }
+    }
+
+    fn create(gl: &glow::Context) -> Self {
+        unsafe { gl.create_buffer().unwrap() }
+    }
+
+    fn bind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_buffer(target, Some(*self));
+        }
+    }
+
+    fn unbind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_buffer(target, None);
+        }
+    }
+}
+
+impl Resource for NativeFramebuffer {
+    fn drop_self(&self, gl: &glow::Context) {
+        unsafe {
+            gl.delete_framebuffer(*self);
+        }
+    }
+
+    fn create(gl: &glow::Context) -> Self {
+        unsafe { gl.create_framebuffer().unwrap() }
+    }
+    fn bind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_framebuffer(target, Some(*self));
+        }
+    }
+    fn unbind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_framebuffer(target, None);
+        }
+    }
+}
+
+impl Resource for NativeRenderbuffer {
+    fn drop_self(&self, gl: &glow::Context) {
+        unsafe {
+            gl.delete_renderbuffer(*self);
+        }
+    }
+
+    fn create(gl: &glow::Context) -> Self {
+        unsafe { gl.create_renderbuffer().unwrap() }
+    }
+
+    fn bind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_renderbuffer(target, Some(*self));
+        }
+    }
+    fn unbind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_renderbuffer(target, None);
+        }
+    }
+}
+
+impl Resource for NativeTexture {
+    fn drop_self(&self, gl: &glow::Context) {
+        unsafe {
+            gl.delete_texture(*self);
+        }
+    }
+
+    fn create(gl: &glow::Context) -> Self {
+        unsafe { gl.create_texture().unwrap() }
+    }
+
+    fn bind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_texture(target, Some(*self));
+        }
+    }
+
+    fn unbind(&self, gl: &glow::Context, target: u32) {
+        unsafe {
+            gl.bind_texture(target, None);
+        }
+    }
+}
+
+#[derive(Debug)]
+struct GlResource<'a, T: Resource> {
+    gl: &'a glow::Context,
+    resource: T,
+}
+
+struct GlRcResource<T: Resource> {
+    gl: Rc<glow::Context>,
+    resource: T,
+}
+impl<T: Resource> Deref for GlRcResource<T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        &self.resource
+    }
+}
+
+impl<'a, T> AsRef<GlResource<'a, T>> for RcGlResource<'a, T>
+where
+    T: Resource,
+{
+    fn as_ref(&self) -> &GlResource<'a, T> {
+        &self.0
+    }
+}
+
+impl<T: Resource> GlRcResource<T> {
+    pub fn new(resource: T, gl: Rc<glow::Context>) -> Self {
+        Self { resource, gl }
+    }
+}
+
+impl<T: Resource> Drop for GlRcResource<T> {
+    fn drop(&mut self) {
+        self.resource.drop_self(&*self.gl);
+        info!("Dropping resource: {:?}", self.resource);
+    }
+}
+
+impl<T: Resource> Deref for GlResource<'_, T> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        &self.resource
+    }
+}
+
+impl<'a, T: Resource> GlResource<'a, T> {
+    pub fn new(resource: T, gl: &'a glow::Context) -> Self {
+        Self { resource, gl }
+    }
+}
+
+impl<T: Resource> Drop for GlResource<'_, T> {
+    fn drop(&mut self) {
+        self.resource.drop_self(self.gl);
+        info!("Dropping resource: {:?}", self.resource);
+    }
+}
+
+impl<'a> RcGlResource<'a, NativeTexture> {
+    pub fn native2imguiid(&self) -> imgui::TextureId {
+        imgui::TextureId::new(self.native().0.get() as usize)
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct GL {
+    gl: Rc<glow::Context>,
+}
+
+impl GL {
+    pub fn new(gl: Rc<glow::Context>) -> Self {
+        Self { gl }
+    }
+    pub fn gl<'a>(&'a self) -> &'a glow::Context {
+        &self.gl
+    }
+
+    pub fn gl_rc(&self) -> Rc<glow::Context> {
+        Rc::clone(&self.gl)
+    }
+
+    pub fn create_resource<'a, T: Resource>(&'a self) -> RcGlResource<'a, T> {
+        RcGlResource::new(self.gl(), T::create(self.gl()))
+    }
+
+    pub fn create_resource_rc<T: Resource>(&self) -> RcGlRcResource<T> {
+        RcGlRcResource::new(self.gl_rc(), T::create(self.gl()))
+    }
+}
+
+impl Deref for GL {
+    type Target = glow::Context;
+
+    fn deref(&self) -> &Self::Target {
+        &self.gl
+    }
+}
+
+impl<T: Resource> ManagedResource for RcGlResource<'_, T> {
+    fn bind(&self, target: u32) {
+        self.0.resource.bind(self.0.gl, target);
+    }
+
+    fn unbind(&self, target: u32) {
+        self.0.resource.unbind(&self.0.gl, target);
+    }
+}
+
+impl<T: Resource> ManagedResource for RcGlRcResource<T> {
+    fn bind(&self, target: u32) {
+        self.0.resource.bind(&self.0.gl, target);
+    }
+
+    fn unbind(&self, target: u32) {
+        self.0.resource.unbind(&self.0.gl, target);
+    }
+}

test.wgsl

@@ -0,0 +1,138 @@
+use '@use-gpu/wgsl/fragment/sdf-2d'::{ SDF, getUVScale, getBoxSDF, getBorderBoxSDF, getRoundedBorderBoxSDF };
+use '@use-gpu/wgsl/use/color'::{ premultiply };
+
+@optional @link fn getTexture(uv: vec2<f32>) -> vec4<f32> { return vec4<f32>(0.0, 0.0, 0.0, 0.0); };
+@optional @link fn getMask(color: vec4<f32>, uv: vec4<f32>, st: vec4<f32>) -> vec4<f32> { return color; }
+
+@export fn getSDFRectangleFragment(
+  uv: vec2<f32>,
+  textureUV: vec2<f32>,
+  textureST: vec2<f32>,
+  clipUV: vec4<f32>,
+  sdfUV: vec2<f32>,
+  sdfConfig: vec4<f32>,
+  repeat: i32,
+  mode: i32,
+  shape: vec4<f32>,
+  radius: vec4<f32>,
+  border: vec4<f32>,
+  stroke: vec4<f32>,
+  fill: vec4<f32>,
+) -> vec4<f32> {
+  var fillColor = fill;
+  var strokeColor = stroke;
+
+  var scale = getUVScale(sdfUV);
+
+  var sdf: SDF;
+  var texture = getTexture(textureUV);
+  var sdfRaw = 0.0;
+  var mark = 0.0;
+
+  if (mode == -1 || mode == -2) {
+    // SDF Glyph
+    let sdfRadius = sdfConfig.x;
+    var expand = border.x;
+    var bleed = border.y;
+
+    var d = (texture.a - 0.75) * sdfRadius;
+    var s = (d + expand / sdfConfig.y) / scale + 0.5 + bleed;
+    sdf = SDF(s, s);
+
+    if (mode == -2) {
+      fillColor = vec4<f32>(texture.rgb, fillColor.a);
+    }
+  }
+  else {
+    // Textured box
+    if (texture.a > 0.0) {
+      if (
+        ((repeat == 0 || repeat == 1) && (textureUV.x < 0.0 || textureUV.x > 1.0)) ||
+        ((repeat == 0 || repeat == 2) && (textureUV.y < 0.0 || textureUV.y > 1.0))
+      ) {
+        texture.a = 0.0;
+      }
+
+      if (texture.a > 0.0) {
+        fillColor = vec4<f32>(
+          premultiply(fillColor).rgb * (1.0 - texture.a) + texture.rgb,
+          mix(fillColor.a, 1.0, texture.a),
+        );
+      }
+    }
+    else {
+      fillColor = premultiply(fillColor);
+    }
+
+    // Get appropriate SDF
+    if (mode == 0) {
+      if (fillColor.a <= 0.0) { discard; }
+      sdf = getBoxSDF(shape.xy, uv, scale);
+    }
+    else if (mode == 1) { sdf = getBorderBoxSDF(shape.xy, border, uv, scale); }
+    else { sdf = getRoundedBorderBoxSDF(shape.xy, border, radius, uv, scale); }
+
+    // Bleed by 0.5px to account for filter radius
+    let bleed = 0.5;
+    sdf.outer += bleed;
+    sdf.inner += bleed;
+  }
+
+  // Clipping this late because sooner than this causes issues in edge pixels
+  if (uv.x < clipUV.x || uv.y < clipUV.y || uv.x > clipUV.z || uv.y > clipUV.w) { discard; }
+
+  var mask = clamp(sdf.outer, 0.0, 1.0);
+
+  // SDF iso-contours
+  if (DEBUG_SDF) {
+    var s = 4.0;
+    var b = 0.0;
+    if (mode == -1 || mode == -2) {
+      s = 1.0;
+      b = 6.0;
+    }
+
+    let o = (sdf.outer - 0.5) * scale / s;
+    var m = (max(0.0, o + 0.5 + b) % 1.0) - 0.5;
+    if (o < -b) { m = 1.0 + (o + b - 1.0); }
+    mark = clamp(1.0 - abs(m / scale) * s, 0.0, 1.0);
+
+    if ((border.x != border.y) || (border.z != border.w) || (border.x != border.z)) {
+      let o = (sdf.inner - 0.5) * scale / s;
+      let m = ((o + 0.5 + b) % 1.0) - 0.5;
+      let mark2 = 1.0 * clamp(1.0 - abs(m / scale) * s, 0.0, 1.0);
+
+      if (sdf.inner > -0.5) { mark = mark2 + mark * 0.5; }
+    }
+  }
+  if (mask == 0.0 && mark == 0.0) { discard; }
+
+  // Blend stroke/fill
+  var color = fillColor;
+  if (sdf.outer != sdf.inner) {
+    // If less than 1px border, render 1px with opacity instead
+    var reduce = 1.0;
+    if (sdf.outer - sdf.inner < 1.0) {
+      reduce = sdf.outer - sdf.inner;
+      sdf.inner = sdf.outer - 1.0;
+    }
+    color = mix(fillColor, strokeColor, reduce * clamp(1.0 - sdf.inner, 0.0, 1.0));
+  }
+
+  if (HAS_MASK) {
+    color = getMask(color, vec4<f32>(textureUV, 0.0, 0.0), vec4<f32>(textureST, 0.0, 0.0));
+  }
+
+  if (!HAS_ALPHA_TO_COVERAGE) {
+    color = vec4<f32>((color.rgb + mark) * color.a * mask, color.a * mask + mark);
+  }
+  else {
+    color = vec4<f32>(color.rgb + mark, color.a * mask);
+  }
+
+  if (DEBUG_SDF) {
+    return vec4<f32>(mix(color.rgb, vec3<f32>(mark), 0.5), color.a);
+  }
+
+  return color;
+}