fabric
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Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.
5 lines (3 loc) • 439 B
JavaScript
const fragmentSource = "\n precision highp float;\n uniform sampler2D uTexture;\n uniform float uContrast;\n varying vec2 vTexCoord;\n void main() {\n vec4 color = texture2D(uTexture, vTexCoord);\n float contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\n color.rgb = contrastF * (color.rgb - 0.5) + 0.5;\n gl_FragColor = color;\n }";
export { fragmentSource };
//# sourceMappingURL=constrast.mjs.map