fabric/dist/src/filters/shaders/convolute.min.mjs

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

const o={Convolute_3_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[9];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 3.0; h+=1.0) {\n        for (float w = 0.0; w < 3.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_3_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[9];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 3.0; h+=1.0) {\n        for (float w = 0.0; w < 3.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    ",Convolute_5_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[25];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 5.0; h+=1.0) {\n        for (float w = 0.0; w < 5.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_5_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[25];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 5.0; h+=1.0) {\n        for (float w = 0.0; w < 5.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    ",Convolute_7_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[49];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 7.0; h+=1.0) {\n        for (float w = 0.0; w < 7.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_7_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[49];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 7.0; h+=1.0) {\n        for (float w = 0.0; w < 7.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    ",Convolute_9_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[81];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 9.0; h+=1.0) {\n        for (float w = 0.0; w < 9.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_9_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[81];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 9.0; h+=1.0) {\n        for (float w = 0.0; w < 9.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    "};export{o as fragmentSource};
//# sourceMappingURL=convolute.min.mjs.map