| 1 | {"version":3,"file":"ImageBitmapResource.js","sources":["../../../src/textures/resources/ImageBitmapResource.ts"],"sourcesContent":["import { ALPHA_MODES } from '@pixi/constants';\nimport { settings } from '@pixi/settings';\nimport { BaseImageResource } from './BaseImageResource';\n\nimport type { ICanvas } from '@pixi/settings';\nimport type { Renderer } from '../../Renderer';\nimport type { BaseTexture } from '../BaseTexture';\nimport type { GLTexture } from '../GLTexture';\n\n/**\n * Options for ImageBitmapResource.\n * @memberof PIXI\n */\nexport interface IImageBitmapResourceOptions\n{\n /** Start loading process automatically when constructed. */\n autoLoad?: boolean;\n\n /** Load image using cross origin. */\n crossOrigin?: boolean;\n\n /** Alpha mode used when creating the ImageBitmap. */\n alphaMode?: ALPHA_MODES;\n\n /**\n * Whether the underlying ImageBitmap is owned by the {@link PIXI.ImageBitmapResource}. When set to `true`,\n * the underlying ImageBitmap will be disposed automatically when disposing {@link PIXI.ImageBitmapResource}.\n * If this option is not set, whether it owns the underlying ImageBitmap is determained by the type of `source`\n * used when constructing {@link PIXI.ImageBitmapResource}:\n * - When `source` is `ImageBitmap`, the underlying ImageBitmap is not owned by default.\n * - When `source` is `string` (a URL), the underlying ImageBitmap is owned by default.\n * @see PIXI.ImageBitmapResource.ownsImageBitmap\n */\n ownsImageBitmap?: boolean;\n}\n\n/**\n * Resource type for ImageBitmap.\n * @memberof PIXI\n */\nexport class ImageBitmapResource extends BaseImageResource\n{\n /** URL of the image source. */\n url: string | null;\n\n /**\n * Load image using cross origin.\n * @default false\n */\n crossOrigin: boolean;\n\n /**\n * Controls texture alphaMode field\n * Copies from options\n * Default is `null`, copies option from baseTexture\n * @readonly\n */\n alphaMode: ALPHA_MODES | null;\n\n /**\n * Whether the underlying ImageBitmap is owned by the ImageBitmapResource.\n * @see PIXI.IImageBitmapResourceOptions.ownsImageBitmap\n */\n private ownsImageBitmap: boolean;\n\n /**\n * Promise when loading.\n * @default null\n */\n private _load: Promise<this>;\n\n /**\n * @param source - ImageBitmap or URL to use.\n * @param options - Options to use.\n */\n constructor(source: ImageBitmap | string, options?: IImageBitmapResourceOptions)\n {\n options = options || {};\n\n let baseSource;\n let url;\n let ownsImageBitmap;\n\n if (typeof source === 'string')\n {\n baseSource = ImageBitmapResource.EMPTY;\n url = source;\n ownsImageBitmap = true;\n }\n else\n {\n baseSource = source;\n url = null;\n ownsImageBitmap = false;\n }\n // Using super() in if() can cause transpilation problems in some cases, so take it out of if().\n // See https://github.com/pixijs/pixijs/pull/9093 for details.\n super(baseSource);\n this.url = url;\n\n this.crossOrigin = options.crossOrigin ?? true;\n this.alphaMode = typeof options.alphaMode === 'number' ? options.alphaMode : null;\n this.ownsImageBitmap = options.ownsImageBitmap ?? ownsImageBitmap;\n\n this._load = null;\n\n if (options.autoLoad !== false)\n {\n this.load();\n }\n }\n\n load(): Promise<this>\n {\n if (this._load)\n {\n return this._load;\n }\n\n this._load = new Promise(async (resolve, reject) =>\n {\n if (this.url === null)\n {\n resolve(this);\n\n return;\n }\n\n try\n {\n const response = await settings.ADAPTER.fetch(this.url, {\n mode: this.crossOrigin ? 'cors' : 'no-cors'\n });\n\n if (this.destroyed) return;\n\n const imageBlob = await response.blob();\n\n if (this.destroyed) return;\n\n const imageBitmap = await createImageBitmap(imageBlob, {\n premultiplyAlpha: this.alphaMode === null || this.alphaMode === ALPHA_MODES.UNPACK\n ? 'premultiply' : 'none',\n });\n\n if (this.destroyed)\n {\n imageBitmap.close();\n\n return;\n }\n\n this.source = imageBitmap;\n this.update();\n\n resolve(this);\n }\n catch (e)\n {\n if (this.destroyed) return;\n\n reject(e);\n this.onError.emit(e);\n }\n });\n\n return this._load;\n }\n\n /**\n * Upload the image bitmap resource to GPU.\n * @param renderer - Renderer to upload to\n * @param baseTexture - BaseTexture for this resource\n * @param glTexture - GLTexture to use\n * @returns {boolean} true is success\n */\n override upload(renderer: Renderer, baseTexture: BaseTexture, glTexture: GLTexture): boolean\n {\n if (!(this.source instanceof ImageBitmap))\n {\n this.load();\n\n return false;\n }\n\n if (typeof this.alphaMode === 'number')\n {\n baseTexture.alphaMode = this.alphaMode;\n }\n\n return super.upload(renderer, baseTexture, glTexture);\n }\n\n /** Destroys this resource. */\n override dispose(): void\n {\n if (this.ownsImageBitmap && this.source instanceof ImageBitmap)\n {\n this.source.close();\n }\n\n super.dispose();\n\n this._load = null;\n }\n\n /**\n * Used to auto-detect the type of resource.\n * @param {*} source - The source object\n * @returns {boolean} `true` if current environment support ImageBitmap, and source is string or ImageBitmap\n */\n static override test(source: unknown): source is string | ImageBitmap\n {\n return !!globalThis.createImageBitmap && typeof ImageBitmap !== 'undefined'\n && (typeof source === 'string' || source instanceof ImageBitmap);\n }\n\n /**\n * Cached empty placeholder canvas.\n * @see EMPTY\n */\n private static _EMPTY: ICanvas;\n\n /**\n * ImageBitmap cannot be created synchronously, so a empty placeholder canvas is needed when loading from URLs.\n * Only for internal usage.\n * @returns The cached placeholder canvas.\n */\n private static get EMPTY(): ICanvas\n {\n ImageBitmapResource._EMPTY = ImageBitmapResource._EMPTY ?? settings.ADAPTER.createCanvas(0, 0);\n\n return ImageBitmapResource._EMPTY;\n }\n}\n"],"names":["BaseImageResource","settings","ALPHA_MODES"],"mappings":";;AAwCO,MAAM,4BAA4BA,kBAAAA,kBACzC;AAAA;AAAA;AAAA;AAAA;AAAA,EAkCI,YAAY,QAA8B,SAC1C;AACI,cAAU,WAAW;AAErB,QAAI,YACA,KACA;AAEA,WAAO,UAAW,YAElB,aAAa,oBAAoB,OACjC,MAAM,QACN,kBAAkB,OAIlB,aAAa,QACb,MAAM,MACN,kBAAkB,KAItB,MAAM,UAAU,GAChB,KAAK,MAAM,KAEX,KAAK,cAAc,QAAQ,eAAe,IAC1C,KAAK,YAAY,OAAO,QAAQ,aAAc,WAAW,QAAQ,YAAY,MAC7E,KAAK,kBAAkB,QAAQ,mBAAmB,iBAElD,KAAK,QAAQ,MAET,QAAQ,aAAa,MAErB,KAAK;EAEb;AAAA,EAEA,OACA;AACQ,WAAA,KAAK,QAEE,KAAK,SAGhB,KAAK,QAAQ,IAAI,QAAQ,OAAO,SAAS,WACzC;AACQ,UAAA,KAAK,QAAQ,MACjB;AACI,gBAAQ,IAAI;AAEZ;AAAA,MACJ;AAGA,UAAA;AACI,cAAM,WAAW,MAAMC,SAAA,SAAS,QAAQ,MAAM,KAAK,KAAK;AAAA,UACpD,MAAM,KAAK,cAAc,SAAS;AAAA,QAAA,CACrC;AAED,YAAI,KAAK;AAAW;AAEd,cAAA,YAAY,MAAM,SAAS;AAEjC,YAAI,KAAK;AAAW;AAEd,cAAA,cAAc,MAAM,kBAAkB,WAAW;AAAA,UACnD,kBAAkB,KAAK,cAAc,QAAQ,KAAK,cAAcC,UAAA,YAAY,SACtE,gBAAgB;AAAA,QAAA,CACzB;AAED,YAAI,KAAK,WACT;AACI,sBAAY,MAAM;AAElB;AAAA,QACJ;AAEA,aAAK,SAAS,aACd,KAAK,UAEL,QAAQ,IAAI;AAAA,eAET,GACP;AACI,YAAI,KAAK;AAAW;AAEpB,eAAO,CAAC,GACR,KAAK,QAAQ,KAAK,CAAC;AAAA,MACvB;AAAA,IAAA,CACH,GAEM,KAAK;AAAA,EAChB;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EASS,OAAO,UAAoB,aAA0B,WAC9D;AACI,WAAM,KAAK,kBAAkB,eAOzB,OAAO,KAAK,aAAc,aAE1B,YAAY,YAAY,KAAK,YAG1B,MAAM,OAAO,UAAU,aAAa,SAAS,MAVhD,KAAK,QAEE;AAAA,EASf;AAAA;AAAA,EAGS,UACT;AACQ,SAAK,mBAAmB,KAAK,kBAAkB,eAE/C,KAAK,OAAO,MAGhB,GAAA,MAAM,QAAQ,GAEd,KAAK,QAAQ;AAAA,EACjB;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAOA,OAAgB,KAAK,QACrB;AACW,WAAA,CAAC,CAAC,WAAW,qBAAqB,OAAO,cAAgB,QACxD,OAAO,UAAW,YAAY,kBAAkB;AAAA,EAC5D;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAaA,WAAmB,QACnB;AACwB,WAAA,oBAAA,SAAS,oBAAoB,UAAUD,SAAA,SAAS,QAAQ,aAAa,GAAG,CAAC,GAEtF,oBAAoB;AAAA,EAC/B;AACJ;;"} |