1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, '__esModule', { value: true });
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4 |
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5 | var constants = require('@pixi/constants');
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6 | var settings = require('@pixi/settings');
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7 | var BaseImageResource = require('./BaseImageResource.js');
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8 |
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9 | class ImageBitmapResource extends BaseImageResource.BaseImageResource {
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10 | constructor(source, options) {
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11 | options = options || {};
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12 | let baseSource;
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13 | let url;
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14 | if (typeof source === "string") {
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15 | baseSource = ImageBitmapResource.EMPTY;
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16 | url = source;
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17 | } else {
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18 | baseSource = source;
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19 | url = null;
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20 | }
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21 | super(baseSource);
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22 | this.url = url;
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23 | this.crossOrigin = options.crossOrigin ?? true;
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24 | this.alphaMode = typeof options.alphaMode === "number" ? options.alphaMode : null;
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25 | this._load = null;
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26 | if (options.autoLoad !== false) {
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27 | this.load();
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28 | }
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29 | }
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30 | load() {
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31 | if (this._load) {
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32 | return this._load;
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33 | }
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34 | this._load = new Promise(async (resolve, reject) => {
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35 | if (this.url === null) {
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36 | resolve(this);
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37 | return;
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38 | }
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39 | try {
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40 | const response = await settings.settings.ADAPTER.fetch(this.url, {
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41 | mode: this.crossOrigin ? "cors" : "no-cors"
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42 | });
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43 | if (this.destroyed)
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44 | return;
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45 | const imageBlob = await response.blob();
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46 | if (this.destroyed)
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47 | return;
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48 | const imageBitmap = await createImageBitmap(imageBlob, {
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49 | premultiplyAlpha: this.alphaMode === null || this.alphaMode === constants.ALPHA_MODES.UNPACK ? "premultiply" : "none"
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50 | });
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51 | if (this.destroyed)
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52 | return;
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53 | this.source = imageBitmap;
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54 | this.update();
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55 | resolve(this);
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56 | } catch (e) {
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57 | if (this.destroyed)
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58 | return;
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59 | reject(e);
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60 | this.onError.emit(e);
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61 | }
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62 | });
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63 | return this._load;
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64 | }
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65 | upload(renderer, baseTexture, glTexture) {
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66 | if (!(this.source instanceof ImageBitmap)) {
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67 | this.load();
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68 | return false;
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69 | }
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70 | if (typeof this.alphaMode === "number") {
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71 | baseTexture.alphaMode = this.alphaMode;
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72 | }
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73 | return super.upload(renderer, baseTexture, glTexture);
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74 | }
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75 | dispose() {
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76 | if (this.source instanceof ImageBitmap) {
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77 | this.source.close();
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78 | }
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79 | super.dispose();
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80 | this._load = null;
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81 | }
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82 | static test(source) {
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83 | return !!globalThis.createImageBitmap && typeof ImageBitmap !== "undefined" && (typeof source === "string" || source instanceof ImageBitmap);
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84 | }
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85 | static get EMPTY() {
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86 | ImageBitmapResource._EMPTY = ImageBitmapResource._EMPTY ?? settings.settings.ADAPTER.createCanvas(0, 0);
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87 | return ImageBitmapResource._EMPTY;
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88 | }
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89 | }
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90 |
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91 | exports.ImageBitmapResource = ImageBitmapResource;
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92 |
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