{"version":3,"file":"Brightness.mjs","sources":["../../../src/filters/Brightness.ts"],"sourcesContent":["import type { TClassProperties } from '../typedefs';\nimport { BaseFilter } from './BaseFilter';\nimport type { T2DPipelineState, TWebGLUniformLocationMap } from './typedefs';\nimport { classRegistry } from '../ClassRegistry';\nimport { fragmentSource } from './shaders/brightness';\nexport const brightnessDefaultValues: Partial<TClassProperties<Brightness>> = {\n  brightness: 0,\n  mainParameter: 'brightness',\n};\n\n/**\n * Brightness filter class\n * @example\n * const filter = new Brightness({\n *   brightness: 0.05\n * });\n * object.filters.push(filter);\n * object.applyFilters();\n */\nexport class Brightness extends BaseFilter {\n  /**\n   * Brightness value, from -1 to 1.\n   * translated to -255 to 255 for 2d\n   * 0.0039215686 is the part of 1 that get translated to 1 in 2d\n   * @param {Number} brightness\n   * @default\n   */\n  declare brightness: number;\n\n  static type = 'Brightness';\n\n  static defaults = brightnessDefaultValues;\n\n  getFragmentSource() {\n    return fragmentSource;\n  }\n\n  /**\n   * Apply the Brightness 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    if (this.brightness === 0) {\n      return;\n    }\n    const brightness = Math.round(this.brightness * 255);\n    for (let i = 0; i < data.length; i += 4) {\n      data[i] = data[i] + brightness;\n      data[i + 1] = data[i + 1] + brightness;\n      data[i + 2] = data[i + 2] + brightness;\n    }\n  }\n\n  /**\n   * Return WebGL uniform locations for this filter's shader.\n   *\n   * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n   * @param {WebGLShaderProgram} program This filter's compiled shader program.\n   */\n  getUniformLocations(\n    gl: WebGLRenderingContext,\n    program: WebGLProgram\n  ): TWebGLUniformLocationMap {\n    return {\n      uBrightness: gl.getUniformLocation(program, 'uBrightness'),\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 {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n   */\n  sendUniformData(\n    gl: WebGLRenderingContext,\n    uniformLocations: TWebGLUniformLocationMap\n  ) {\n    gl.uniform1f(uniformLocations.uBrightness, this.brightness);\n  }\n}\n\nclassRegistry.setClass(Brightness);\n"],"names":["brightnessDefaultValues","brightness","mainParameter","Brightness","BaseFilter","getFragmentSource","fragmentSource","applyTo2d","_ref","imageData","data","Math","round","i","length","getUniformLocations","gl","program","uBrightness","getUniformLocation","sendUniformData","uniformLocations","uniform1f","_defineProperty","classRegistry","setClass"],"mappings":";;;;;AAKO,MAAMA,uBAA8D,GAAG;AAC5EC,EAAAA,UAAU,EAAE,CAAC;AACbC,EAAAA,aAAa,EAAE,YAAA;AACjB,EAAC;;AAED;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,MAAMC,UAAU,SAASC,UAAU,CAAC;AAczCC,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,IAAI,IAAI,CAACP,UAAU,KAAK,CAAC,EAAE;AACzB,MAAA,OAAA;AACF,KAAA;IACA,MAAMA,UAAU,GAAGU,IAAI,CAACC,KAAK,CAAC,IAAI,CAACX,UAAU,GAAG,GAAG,CAAC,CAAA;AACpD,IAAA,KAAK,IAAIY,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGH,IAAI,CAACI,MAAM,EAAED,CAAC,IAAI,CAAC,EAAE;MACvCH,IAAI,CAACG,CAAC,CAAC,GAAGH,IAAI,CAACG,CAAC,CAAC,GAAGZ,UAAU,CAAA;AAC9BS,MAAAA,IAAI,CAACG,CAAC,GAAG,CAAC,CAAC,GAAGH,IAAI,CAACG,CAAC,GAAG,CAAC,CAAC,GAAGZ,UAAU,CAAA;AACtCS,MAAAA,IAAI,CAACG,CAAC,GAAG,CAAC,CAAC,GAAGH,IAAI,CAACG,CAAC,GAAG,CAAC,CAAC,GAAGZ,UAAU,CAAA;AACxC,KAAA;AACF,GAAA;;AAEA;AACF;AACA;AACA;AACA;AACA;AACEc,EAAAA,mBAAmBA,CACjBC,EAAyB,EACzBC,OAAqB,EACK;IAC1B,OAAO;AACLC,MAAAA,WAAW,EAAEF,EAAE,CAACG,kBAAkB,CAACF,OAAO,EAAE,aAAa,CAAA;KAC1D,CAAA;AACH,GAAA;;AAEA;AACF;AACA;AACA;AACA;AACA;AACEG,EAAAA,eAAeA,CACbJ,EAAyB,EACzBK,gBAA0C,EAC1C;IACAL,EAAE,CAACM,SAAS,CAACD,gBAAgB,CAACH,WAAW,EAAE,IAAI,CAACjB,UAAU,CAAC,CAAA;AAC7D,GAAA;AACF,CAAA;AA9DE;AACF;AACA;AACA;AACA;AACA;AACA;AANEsB,eAAA,CADWpB,UAAU,EAAA,MAAA,EAUP,YAAY,CAAA,CAAA;AAAAoB,eAAA,CAVfpB,UAAU,EAAA,UAAA,EAYHH,uBAAuB,CAAA,CAAA;AAqD3CwB,aAAa,CAACC,QAAQ,CAACtB,UAAU,CAAC;;;;"}