| 1 | import { ALPHA_MODES } from '@pixi/constants';
|
| 2 | import { settings } from '@pixi/settings';
|
| 3 | import { BaseImageResource } from './BaseImageResource.mjs';
|
| 4 |
|
| 5 | class ImageResource extends BaseImageResource {
|
| 6 | constructor(source, options) {
|
| 7 | options = options || {};
|
| 8 | if (typeof source === "string") {
|
| 9 | const imageElement = new Image();
|
| 10 | BaseImageResource.crossOrigin(imageElement, source, options.crossorigin);
|
| 11 | imageElement.src = source;
|
| 12 | source = imageElement;
|
| 13 | }
|
| 14 | super(source);
|
| 15 | if (!source.complete && !!this._width && !!this._height) {
|
| 16 | this._width = 0;
|
| 17 | this._height = 0;
|
| 18 | }
|
| 19 | this.url = source.src;
|
| 20 | this._process = null;
|
| 21 | this.preserveBitmap = false;
|
| 22 | this.createBitmap = (options.createBitmap ?? settings.CREATE_IMAGE_BITMAP) && !!globalThis.createImageBitmap;
|
| 23 | this.alphaMode = typeof options.alphaMode === "number" ? options.alphaMode : null;
|
| 24 | this.bitmap = null;
|
| 25 | this._load = null;
|
| 26 | if (options.autoLoad !== false) {
|
| 27 | this.load();
|
| 28 | }
|
| 29 | }
|
| 30 | load(createBitmap) {
|
| 31 | if (this._load) {
|
| 32 | return this._load;
|
| 33 | }
|
| 34 | if (createBitmap !== void 0) {
|
| 35 | this.createBitmap = createBitmap;
|
| 36 | }
|
| 37 | this._load = new Promise((resolve, reject) => {
|
| 38 | const source = this.source;
|
| 39 | this.url = source.src;
|
| 40 | const completed = () => {
|
| 41 | if (this.destroyed) {
|
| 42 | return;
|
| 43 | }
|
| 44 | source.onload = null;
|
| 45 | source.onerror = null;
|
| 46 | this.resize(source.width, source.height);
|
| 47 | this._load = null;
|
| 48 | if (this.createBitmap) {
|
| 49 | resolve(this.process());
|
| 50 | } else {
|
| 51 | resolve(this);
|
| 52 | }
|
| 53 | };
|
| 54 | if (source.complete && source.src) {
|
| 55 | completed();
|
| 56 | } else {
|
| 57 | source.onload = completed;
|
| 58 | source.onerror = (event) => {
|
| 59 | reject(event);
|
| 60 | this.onError.emit(event);
|
| 61 | };
|
| 62 | }
|
| 63 | });
|
| 64 | return this._load;
|
| 65 | }
|
| 66 | process() {
|
| 67 | const source = this.source;
|
| 68 | if (this._process !== null) {
|
| 69 | return this._process;
|
| 70 | }
|
| 71 | if (this.bitmap !== null || !globalThis.createImageBitmap) {
|
| 72 | return Promise.resolve(this);
|
| 73 | }
|
| 74 | const createImageBitmap = globalThis.createImageBitmap;
|
| 75 | const cors = !source.crossOrigin || source.crossOrigin === "anonymous";
|
| 76 | this._process = fetch(source.src, {
|
| 77 | mode: cors ? "cors" : "no-cors"
|
| 78 | }).then((r) => r.blob()).then((blob) => createImageBitmap(blob, 0, 0, source.width, source.height, {
|
| 79 | premultiplyAlpha: this.alphaMode === null || this.alphaMode === ALPHA_MODES.UNPACK ? "premultiply" : "none"
|
| 80 | })).then((bitmap) => {
|
| 81 | if (this.destroyed) {
|
| 82 | return Promise.reject();
|
| 83 | }
|
| 84 | this.bitmap = bitmap;
|
| 85 | this.update();
|
| 86 | this._process = null;
|
| 87 | return Promise.resolve(this);
|
| 88 | });
|
| 89 | return this._process;
|
| 90 | }
|
| 91 | upload(renderer, baseTexture, glTexture) {
|
| 92 | if (typeof this.alphaMode === "number") {
|
| 93 | baseTexture.alphaMode = this.alphaMode;
|
| 94 | }
|
| 95 | if (!this.createBitmap) {
|
| 96 | return super.upload(renderer, baseTexture, glTexture);
|
| 97 | }
|
| 98 | if (!this.bitmap) {
|
| 99 | this.process();
|
| 100 | if (!this.bitmap) {
|
| 101 | return false;
|
| 102 | }
|
| 103 | }
|
| 104 | super.upload(renderer, baseTexture, glTexture, this.bitmap);
|
| 105 | if (!this.preserveBitmap) {
|
| 106 | let flag = true;
|
| 107 | const glTextures = baseTexture._glTextures;
|
| 108 | for (const key in glTextures) {
|
| 109 | const otherTex = glTextures[key];
|
| 110 | if (otherTex !== glTexture && otherTex.dirtyId !== baseTexture.dirtyId) {
|
| 111 | flag = false;
|
| 112 | break;
|
| 113 | }
|
| 114 | }
|
| 115 | if (flag) {
|
| 116 | if (this.bitmap.close) {
|
| 117 | this.bitmap.close();
|
| 118 | }
|
| 119 | this.bitmap = null;
|
| 120 | }
|
| 121 | }
|
| 122 | return true;
|
| 123 | }
|
| 124 | dispose() {
|
| 125 | this.source.onload = null;
|
| 126 | this.source.onerror = null;
|
| 127 | super.dispose();
|
| 128 | if (this.bitmap) {
|
| 129 | this.bitmap.close();
|
| 130 | this.bitmap = null;
|
| 131 | }
|
| 132 | this._process = null;
|
| 133 | this._load = null;
|
| 134 | }
|
| 135 | static test(source) {
|
| 136 | return typeof HTMLImageElement !== "undefined" && (typeof source === "string" || source instanceof HTMLImageElement);
|
| 137 | }
|
| 138 | }
|
| 139 |
|
| 140 | export { ImageResource };
|
| 141 |
|