@pixi/compressed-textures/lib/resources/BlobResource.mjs.map

Loaders for compressed texture file formats

{"version":3,"file":"BlobResource.mjs","sources":["../../src/resources/BlobResource.ts"],"sourcesContent":["import { BufferResource, ViewableBuffer } from '@pixi/core';\n\nimport type { BufferType, IBufferResourceOptions } from '@pixi/core';\n\n/**\n * Constructor options for BlobResource.\n * @memberof PIXI\n */\nexport interface IBlobResourceOptions extends IBufferResourceOptions\n{\n    autoLoad?: boolean;\n}\n\n/**\n * Resource that fetches texture data over the network and stores it in a buffer.\n * @class\n * @extends PIXI.Resource\n * @memberof PIXI\n */\nexport abstract class BlobResource extends BufferResource\n{\n    /** The URL of the texture file. */\n    protected origin: string | null;\n\n    /** The viewable buffer on the data. */\n    protected buffer: ViewableBuffer | null;\n\n    protected loaded: boolean;\n\n    /**\n     * Promise when loading.\n     * @default null\n     */\n    private _load: Promise<this>;\n\n    /**\n     * @param source - The buffer/URL of the texture file.\n     * @param {PIXI.IBlobResourceOptions} [options]\n     * @param {boolean} [options.autoLoad=false] - Whether to fetch the data immediately;\n     *  you can fetch it later via {@link PIXI.BlobResource#load}.\n     * @param {number} [options.width=1] - The width in pixels.\n     * @param {number} [options.height=1] - The height in pixels.\n     * @param {1|2|4|8} [options.unpackAlignment=4] - The alignment of the pixel rows.\n     */\n    constructor(source: string | BufferType, options: IBlobResourceOptions = { width: 1, height: 1, autoLoad: true })\n    {\n        let origin: string | null;\n        let data: BufferType;\n\n        if (typeof source === 'string')\n        {\n            origin = source;\n            data = new Uint8Array();\n        }\n        else\n        {\n            origin = null;\n            data = source;\n        }\n\n        super(data, options);\n\n        this.origin = origin;\n        this.buffer = data ? new ViewableBuffer(data) : null;\n\n        this._load = null;\n        this.loaded = false;\n\n        // Allow autoLoad = \"undefined\" still load the resource by default\n        if (this.origin !== null && options.autoLoad !== false)\n        {\n            this.load();\n        }\n        if (this.origin === null && this.buffer)\n        {\n            this._load = Promise.resolve(this);\n            this.loaded = true;\n            this.onBlobLoaded(this.buffer.rawBinaryData);\n        }\n    }\n\n    protected onBlobLoaded(_data: ArrayBuffer): void\n    {\n        // TODO: Override this method\n    }\n\n    /** Loads the blob */\n    load(): Promise<this>\n    {\n        if (this._load)\n        {\n            return this._load;\n        }\n\n        this._load = fetch(this.origin)\n            .then((response) => response.blob())\n            .then((blob) => blob.arrayBuffer())\n            .then((arrayBuffer) =>\n            {\n                this.data = new Uint32Array(arrayBuffer);\n                this.buffer = new ViewableBuffer(arrayBuffer);\n                this.loaded = true;\n\n                this.onBlobLoaded(arrayBuffer);\n                this.update();\n\n                return this;\n            });\n\n        return this._load;\n    }\n}\n"],"names":[],"mappings":";AAmBO,MAAe,qBAAqB,eAC3C;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAwBI,YAAY,QAA6B,UAAgC,EAAE,OAAO,GAAG,QAAQ,GAAG,UAAU,MAC1G;AACI,QAAI,QACA;AAEA,WAAO,UAAW,YAElB,SAAS,QACT,OAAO,IAAI,WAAW,MAItB,SAAS,MACT,OAAO,SAGX,MAAM,MAAM,OAAO,GAEnB,KAAK,SAAS,QACd,KAAK,SAAS,OAAO,IAAI,eAAe,IAAI,IAAI,MAEhD,KAAK,QAAQ,MACb,KAAK,SAAS,IAGV,KAAK,WAAW,QAAQ,QAAQ,aAAa,MAE7C,KAAK,KAAA,GAEL,KAAK,WAAW,QAAQ,KAAK,WAE7B,KAAK,QAAQ,QAAQ,QAAQ,IAAI,GACjC,KAAK,SAAS,IACd,KAAK,aAAa,KAAK,OAAO,aAAa;AAAA,EAEnD;AAAA,EAEU,aAAa,OACvB;AAAA,EAEA;AAAA;AAAA,EAGA,OACA;AACQ,WAAA,KAAK,QAEE,KAAK,SAGhB,KAAK,QAAQ,MAAM,KAAK,MAAM,EACzB,KAAK,CAAC,aAAa,SAAS,MAAM,EAClC,KAAK,CAAC,SAAS,KAAK,YAAY,CAAC,EACjC,KAAK,CAAC,iBAEH,KAAK,OAAO,IAAI,YAAY,WAAW,GACvC,KAAK,SAAS,IAAI,eAAe,WAAW,GAC5C,KAAK,SAAS,IAEd,KAAK,aAAa,WAAW,GAC7B,KAAK,OAAO,GAEL,KACV,GAEE,KAAK;AAAA,EAChB;AACJ;"}