@woosh/meep-engine/src/engine/graphics/texture/html_canvas_to_sampler2d.js

Pure JavaScript game engine. Fully featured and production ready.

import { html_canvas_to_rendering_context2d_cached } from "./html_canvas_to_rendering_context2d_cached.js";
import { Sampler2D } from './sampler/Sampler2D.js';


/**
 *
 * @param {HTMLCanvasElement} canvas
 * @returns {Sampler2D}
 */
function html_canvas_to_sampler2d(canvas) {
    const width = canvas.width;
    const height = canvas.height;

    const context = html_canvas_to_rendering_context2d_cached(canvas);

    const imageData = context.getImageData(0, 0, width, height);

    const data = imageData.data;

    return new Sampler2D(data, 4, width, height);

}

export default html_canvas_to_sampler2d;