fabric/dist/src/filters/Vibrance.mjs.map

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

{"version":3,"file":"Vibrance.mjs","sources":["../../../src/filters/Vibrance.ts"],"sourcesContent":["import { BaseFilter } from './BaseFilter';\nimport type { T2DPipelineState, TWebGLUniformLocationMap } from './typedefs';\nimport { classRegistry } from '../ClassRegistry';\nimport { fragmentSource } from './shaders/vibrance';\n\nexport type VibranceOwnProps = {\n  vibrance: number;\n};\n\nexport const vibranceDefaultValues: VibranceOwnProps = {\n  vibrance: 0,\n};\n\n/**\n * Vibrance filter class\n * @example\n * const filter = new Vibrance({\n *   vibrance: 1\n * });\n * object.filters.push(filter);\n * object.applyFilters();\n */\nexport class Vibrance extends BaseFilter<'Vibrance', VibranceOwnProps> {\n  /**\n   * Vibrance value, from -1 to 1.\n   * Increases/decreases the saturation of more muted colors with less effect on saturated colors.\n   * A value of 0 has no effect.\n   *\n   * @param {Number} vibrance\n   * @default\n   */\n  declare vibrance: VibranceOwnProps['vibrance'];\n\n  static type = 'Vibrance';\n\n  static defaults = vibranceDefaultValues;\n\n  static uniformLocations = ['uVibrance'];\n\n  getFragmentSource() {\n    return fragmentSource;\n  }\n\n  /**\n   * Apply the Vibrance operation to a Uint8ClampedArray representing the pixels of an image.\n   *\n   * @param {Object} options\n   * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n   */\n  applyTo2d({ imageData: { data } }: T2DPipelineState) {\n    const adjust = -this.vibrance;\n    for (let i = 0; i < data.length; i += 4) {\n      const r = data[i];\n      const g = data[i + 1];\n      const b = data[i + 2];\n      const max = Math.max(r, g, b);\n      const avg = (r + g + b) / 3;\n      const amt = ((Math.abs(max - avg) * 2) / 255) * adjust;\n      data[i] += max !== r ? (max - r) * amt : 0;\n      data[i + 1] += max !== g ? (max - g) * amt : 0;\n      data[i + 2] += max !== b ? (max - b) * amt : 0;\n    }\n  }\n\n  /**\n   * Send data from this filter to its shader program's uniforms.\n   *\n   * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n   * @param {TWebGLUniformLocationMap} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n   */\n  sendUniformData(\n    gl: WebGLRenderingContext,\n    uniformLocations: TWebGLUniformLocationMap,\n  ) {\n    gl.uniform1f(uniformLocations.uVibrance, -this.vibrance);\n  }\n\n  isNeutralState() {\n    return this.vibrance === 0;\n  }\n}\n\nclassRegistry.setClass(Vibrance);\n"],"names":["vibranceDefaultValues","vibrance","Vibrance","BaseFilter","getFragmentSource","fragmentSource","applyTo2d","_ref","imageData","data","adjust","i","length","r","g","b","max","Math","avg","amt","abs","sendUniformData","gl","uniformLocations","uniform1f","uVibrance","isNeutralState","_defineProperty","classRegistry","setClass"],"mappings":";;;;;AASO,MAAMA,qBAAuC,GAAG;AACrDC,EAAAA,QAAQ,EAAE,CAAA;AACZ,EAAC;;AAED;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,MAAMC,QAAQ,SAASC,UAAU,CAA+B;AAiBrEC,EAAAA,iBAAiBA,GAAG;AAClB,IAAA,OAAOC,cAAc,CAAA;AACvB,GAAA;;AAEA;AACF;AACA;AACA;AACA;AACA;EACEC,SAASA,CAAAC,IAAA,EAA4C;IAAA,IAA3C;AAAEC,MAAAA,SAAS,EAAE;AAAEC,QAAAA,IAAAA;AAAK,OAAA;AAAoB,KAAC,GAAAF,IAAA,CAAA;AACjD,IAAA,MAAMG,MAAM,GAAG,CAAC,IAAI,CAACT,QAAQ,CAAA;AAC7B,IAAA,KAAK,IAAIU,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGF,IAAI,CAACG,MAAM,EAAED,CAAC,IAAI,CAAC,EAAE;AACvC,MAAA,MAAME,CAAC,GAAGJ,IAAI,CAACE,CAAC,CAAC,CAAA;AACjB,MAAA,MAAMG,CAAC,GAAGL,IAAI,CAACE,CAAC,GAAG,CAAC,CAAC,CAAA;AACrB,MAAA,MAAMI,CAAC,GAAGN,IAAI,CAACE,CAAC,GAAG,CAAC,CAAC,CAAA;MACrB,MAAMK,GAAG,GAAGC,IAAI,CAACD,GAAG,CAACH,CAAC,EAAEC,CAAC,EAAEC,CAAC,CAAC,CAAA;MAC7B,MAAMG,GAAG,GAAG,CAACL,CAAC,GAAGC,CAAC,GAAGC,CAAC,IAAI,CAAC,CAAA;AAC3B,MAAA,MAAMI,GAAG,GAAKF,IAAI,CAACG,GAAG,CAACJ,GAAG,GAAGE,GAAG,CAAC,GAAG,CAAC,GAAI,GAAG,GAAIR,MAAM,CAAA;AACtDD,MAAAA,IAAI,CAACE,CAAC,CAAC,IAAIK,GAAG,KAAKH,CAAC,GAAG,CAACG,GAAG,GAAGH,CAAC,IAAIM,GAAG,GAAG,CAAC,CAAA;AAC1CV,MAAAA,IAAI,CAACE,CAAC,GAAG,CAAC,CAAC,IAAIK,GAAG,KAAKF,CAAC,GAAG,CAACE,GAAG,GAAGF,CAAC,IAAIK,GAAG,GAAG,CAAC,CAAA;AAC9CV,MAAAA,IAAI,CAACE,CAAC,GAAG,CAAC,CAAC,IAAIK,GAAG,KAAKD,CAAC,GAAG,CAACC,GAAG,GAAGD,CAAC,IAAII,GAAG,GAAG,CAAC,CAAA;AAChD,KAAA;AACF,GAAA;;AAEA;AACF;AACA;AACA;AACA;AACA;AACEE,EAAAA,eAAeA,CACbC,EAAyB,EACzBC,gBAA0C,EAC1C;IACAD,EAAE,CAACE,SAAS,CAACD,gBAAgB,CAACE,SAAS,EAAE,CAAC,IAAI,CAACxB,QAAQ,CAAC,CAAA;AAC1D,GAAA;AAEAyB,EAAAA,cAAcA,GAAG;AACf,IAAA,OAAO,IAAI,CAACzB,QAAQ,KAAK,CAAC,CAAA;AAC5B,GAAA;AACF,CAAA;AAzDE;AACF;AACA;AACA;AACA;AACA;AACA;AACA;AAPE0B,eAAA,CADWzB,QAAQ,EAAA,MAAA,EAWL,UAAU,CAAA,CAAA;AAAAyB,eAAA,CAXbzB,QAAQ,EAAA,UAAA,EAaDF,qBAAqB,CAAA,CAAA;AAAA2B,eAAA,CAb5BzB,QAAQ,EAeO,kBAAA,EAAA,CAAC,WAAW,CAAC,CAAA,CAAA;AA6CzC0B,aAAa,CAACC,QAAQ,CAAC3B,QAAQ,CAAC;;;;"}