| 1 | import { ALPHA_MODES } from '@pixi/constants';
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| 2 | import { determineCrossOrigin } from '@pixi/utils';
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| 3 | import { Resource } from './Resource.mjs';
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| 4 |
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| 5 | class BaseImageResource extends Resource {
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| 6 | constructor(source) {
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| 7 | const sourceAny = source;
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| 8 | const width = sourceAny.naturalWidth || sourceAny.videoWidth || sourceAny.width;
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| 9 | const height = sourceAny.naturalHeight || sourceAny.videoHeight || sourceAny.height;
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| 10 | super(width, height);
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| 11 | this.source = source;
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| 12 | this.noSubImage = false;
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| 13 | }
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| 14 | static crossOrigin(element, url, crossorigin) {
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| 15 | if (crossorigin === void 0 && !url.startsWith("data:")) {
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| 16 | element.crossOrigin = determineCrossOrigin(url);
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| 17 | } else if (crossorigin !== false) {
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| 18 | element.crossOrigin = typeof crossorigin === "string" ? crossorigin : "anonymous";
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| 19 | }
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| 20 | }
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| 21 | upload(renderer, baseTexture, glTexture, source) {
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| 22 | const gl = renderer.gl;
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| 23 | const width = baseTexture.realWidth;
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| 24 | const height = baseTexture.realHeight;
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| 25 | source = source || this.source;
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| 26 | if (typeof HTMLImageElement !== "undefined" && source instanceof HTMLImageElement) {
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| 27 | if (!source.complete || source.naturalWidth === 0) {
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| 28 | return false;
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| 29 | }
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| 30 | } else if (typeof HTMLVideoElement !== "undefined" && source instanceof HTMLVideoElement) {
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| 31 | if (source.readyState <= 1 && source.buffered.length === 0) {
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| 32 | return false;
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| 33 | }
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| 34 | }
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| 35 | gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, baseTexture.alphaMode === ALPHA_MODES.UNPACK);
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| 36 | if (!this.noSubImage && baseTexture.target === gl.TEXTURE_2D && glTexture.width === width && glTexture.height === height) {
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| 37 | gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, baseTexture.format, glTexture.type, source);
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| 38 | } else {
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| 39 | glTexture.width = width;
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| 40 | glTexture.height = height;
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| 41 | gl.texImage2D(baseTexture.target, 0, glTexture.internalFormat, baseTexture.format, glTexture.type, source);
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| 42 | }
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| 43 | return true;
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| 44 | }
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| 45 | update() {
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| 46 | if (this.destroyed) {
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| 47 | return;
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| 48 | }
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| 49 | const source = this.source;
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| 50 | const width = source.naturalWidth || source.videoWidth || source.width;
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| 51 | const height = source.naturalHeight || source.videoHeight || source.height;
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| 52 | this.resize(width, height);
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| 53 | super.update();
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| 54 | }
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| 55 | dispose() {
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| 56 | this.source = null;
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| 57 | }
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| 58 | }
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| 59 |
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| 60 | export { BaseImageResource };
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| 61 |
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