fabric
Version:
Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.
1 lines • 4.09 kB
Source Map (JSON)
{"version":3,"file":"HueRotation.mjs","sources":["../../../src/filters/HueRotation.ts"],"sourcesContent":["import { cos } from '../util/misc/cos';\nimport { sin } from '../util/misc/sin';\nimport {\n ColorMatrix,\n type ColorMatrixOwnProps,\n colorMatrixDefaultValues,\n} from './ColorMatrix';\nimport type { TWebGLPipelineState, T2DPipelineState } from './typedefs';\nimport { classRegistry } from '../ClassRegistry';\n\nexport type HueRotationOwnProps = ColorMatrixOwnProps & {\n rotation: number;\n};\n\nexport type HueRotationSerializedProps = {\n rotation: number;\n};\n\nexport const hueRotationDefaultValues: HueRotationOwnProps = {\n ...colorMatrixDefaultValues,\n rotation: 0,\n};\n\n/**\n * HueRotation filter class\n * @example\n * const filter = new HueRotation({\n * rotation: -0.5\n * });\n * object.filters.push(filter);\n * object.applyFilters();\n */\nexport class HueRotation extends ColorMatrix<\n 'HueRotation',\n HueRotationOwnProps,\n HueRotationSerializedProps\n> {\n /**\n * HueRotation value, from -1 to 1.\n */\n declare rotation: HueRotationOwnProps['rotation'];\n\n static type = 'HueRotation';\n\n static defaults = hueRotationDefaultValues;\n\n calculateMatrix() {\n const rad = this.rotation * Math.PI,\n cosine = cos(rad),\n sine = sin(rad),\n aThird = 1 / 3,\n aThirdSqtSin = Math.sqrt(aThird) * sine,\n OneMinusCos = 1 - cosine;\n this.matrix = [\n cosine + OneMinusCos / 3,\n aThird * OneMinusCos - aThirdSqtSin,\n aThird * OneMinusCos + aThirdSqtSin,\n 0,\n 0,\n aThird * OneMinusCos + aThirdSqtSin,\n cosine + aThird * OneMinusCos,\n aThird * OneMinusCos - aThirdSqtSin,\n 0,\n 0,\n aThird * OneMinusCos - aThirdSqtSin,\n aThird * OneMinusCos + aThirdSqtSin,\n cosine + aThird * OneMinusCos,\n 0,\n 0,\n 0,\n 0,\n 0,\n 1,\n 0,\n ];\n }\n\n isNeutralState() {\n return this.rotation === 0;\n }\n\n applyTo(options: TWebGLPipelineState | T2DPipelineState) {\n this.calculateMatrix();\n super.applyTo(options);\n }\n\n toObject() {\n return {\n type: this.type,\n rotation: this.rotation,\n };\n }\n}\n\nclassRegistry.setClass(HueRotation);\n"],"names":["hueRotationDefaultValues","_objectSpread","colorMatrixDefaultValues","rotation","HueRotation","ColorMatrix","calculateMatrix","rad","Math","PI","cosine","cos","sine","sin","aThird","aThirdSqtSin","sqrt","OneMinusCos","matrix","isNeutralState","applyTo","options","toObject","type","_defineProperty","classRegistry","setClass"],"mappings":";;;;;;MAkBaA,wBAA6C,GAAAC,cAAA,CAAAA,cAAA,KACrDC,wBAAwB,CAAA,EAAA,EAAA,EAAA;AAC3BC,EAAAA,QAAQ,EAAE,CAAA;AAAC,CACZ,EAAA;;AAED;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,MAAMC,WAAW,SAASC,WAAW,CAI1C;AAUAC,EAAAA,eAAeA,GAAG;IAChB,MAAMC,GAAG,GAAG,IAAI,CAACJ,QAAQ,GAAGK,IAAI,CAACC,EAAE;AACjCC,MAAAA,MAAM,GAAGC,GAAG,CAACJ,GAAG,CAAC;AACjBK,MAAAA,IAAI,GAAGC,GAAG,CAACN,GAAG,CAAC;MACfO,MAAM,GAAG,CAAC,GAAG,CAAC;MACdC,YAAY,GAAGP,IAAI,CAACQ,IAAI,CAACF,MAAM,CAAC,GAAGF,IAAI;MACvCK,WAAW,GAAG,CAAC,GAAGP,MAAM,CAAA;AAC1B,IAAA,IAAI,CAACQ,MAAM,GAAG,CACZR,MAAM,GAAGO,WAAW,GAAG,CAAC,EACxBH,MAAM,GAAGG,WAAW,GAAGF,YAAY,EACnCD,MAAM,GAAGG,WAAW,GAAGF,YAAY,EACnC,CAAC,EACD,CAAC,EACDD,MAAM,GAAGG,WAAW,GAAGF,YAAY,EACnCL,MAAM,GAAGI,MAAM,GAAGG,WAAW,EAC7BH,MAAM,GAAGG,WAAW,GAAGF,YAAY,EACnC,CAAC,EACD,CAAC,EACDD,MAAM,GAAGG,WAAW,GAAGF,YAAY,EACnCD,MAAM,GAAGG,WAAW,GAAGF,YAAY,EACnCL,MAAM,GAAGI,MAAM,GAAGG,WAAW,EAC7B,CAAC,EACD,CAAC,EACD,CAAC,EACD,CAAC,EACD,CAAC,EACD,CAAC,EACD,CAAC,CACF,CAAA;AACH,GAAA;AAEAE,EAAAA,cAAcA,GAAG;AACf,IAAA,OAAO,IAAI,CAAChB,QAAQ,KAAK,CAAC,CAAA;AAC5B,GAAA;EAEAiB,OAAOA,CAACC,OAA+C,EAAE;IACvD,IAAI,CAACf,eAAe,EAAE,CAAA;AACtB,IAAA,KAAK,CAACc,OAAO,CAACC,OAAO,CAAC,CAAA;AACxB,GAAA;AAEAC,EAAAA,QAAQA,GAAG;IACT,OAAO;MACLC,IAAI,EAAE,IAAI,CAACA,IAAI;MACfpB,QAAQ,EAAE,IAAI,CAACA,QAAAA;KAChB,CAAA;AACH,GAAA;AACF,CAAA;AAvDE;AACF;AACA;AAFEqB,eAAA,CALWpB,WAAW,EAAA,MAAA,EAUR,aAAa,CAAA,CAAA;AAAAoB,eAAA,CAVhBpB,WAAW,EAAA,UAAA,EAYJJ,wBAAwB,CAAA,CAAA;AAkD5CyB,aAAa,CAACC,QAAQ,CAACtB,WAAW,CAAC;;;;"}