前端开发

pixijs-html-source

pixijs/pixijs-skills

Use this skill when rendering live HTML/DOM elements (or frozen snapshots of them) as PixiJS v8 textures via the EXPERIMENTAL HTML-in-Canvas browser APIs. Covers the pixi.js/html-source import, feature detection with canvas.requestPaint, HTMLSource for a live, repainting, still-interactive element (autoLayout/autoUpdate/autoRequestPaint, requestPaint, isReady, HTMLSource.defaultOptions, the direct-child-of-canvas + layoutsubtree requirement), ElementImageSource for an immutable captureElementImage() snapshot (autoClose, ready immediately), using the source on a Sprite/Texture/Mesh, fallback-only auto-detection via Texture.from at priority -10, uploader error messages, and destroy/cleanup. Triggers on: HTMLSource, ElementImageSource, ElementImage, HTML in canvas, render DOM to texture, render HTML to texture, texElementImage2D, copyElementImageToTexture, HTMLSourceOptions, ElementImageSourceOptions, HTMLSourceCanvas.

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安装命令

npx skills add https://github.com/pixijs/pixijs-skills --skill pixijs-html-source

SKILL.md

HTMLSource and ElementImageSource turn a DOM element into a TextureSource you can use anywhere a normal texture works: on a Sprite, as a Texture frame, or mapped onto a Mesh. HTMLSource mirrors a live element's pixels into the GPU (the element stays editable and clickable in the browser); ElementImageSource wraps an immutable snapshot that never repaints. Both live in pixi.js/html-source; importing from that path registers their extensions.

These sources rely on the experimental HTML-in-Canvas browser proposal and are marked EXPERIMENTAL in PixiJS v8. The browser API must be enabled or the texture uploader throws on first render; feature-detect with canvas.requestPaint before relying on it. The API may change between minor releases.

Assumes familiarity with pixijs-scene-sprite and textures. These are texture sources, not display objects: wrap them in a Sprite (or Texture/Mesh) to put them on screen. Not available in Web Workers; a worker has no DOM to capture.

Quick Start

import { Application, Sprite } from "pixi.js";
import { HTMLSource } from "pixi.js/html-source";

const app = new Application();
await app.init({ resizeTo: window });
document.body.appendChild(app.canvas);