tav-media/lib/libpag/src/wechat/web-mask.js

Cross platform media editing framework

import { WebMask as NativeWebMask } from '../core/web-mask';
import { getCanvas2D, releaseCanvas2D } from './canvas';
export class WebMask extends NativeWebMask {
    static create(width, height) {
        const webMask = new WebMask(getCanvas2D(), width, height);
        return webMask;
    }
    update(GL) {
        var _a;
        const gl = (_a = GL.currentContext) === null || _a === void 0 ? void 0 : _a.GLctx;
        const ctx = this.canvas.getContext('2d');
        const imgData = ctx.getImageData(0, 0, this.canvas.width, this.canvas.height);
        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, imgData.width, imgData.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(imgData.data));
    }
    onDestroy() {
        releaseCanvas2D(this.canvas);
    }
}