@beetpx/beetpx/dist/canvas/CanvasSnapshotForProduction.js

A TypeScript framework for pixel art browser games.

import { BpxRgbColor } from "../color/RgbColor";
export class CanvasSnapshotForProduction {
    #imageDataData;
    #canvasWidth;
    constructor(imageDataData, canvasWidth) {
        this.#imageDataData = imageDataData;
        this.#canvasWidth = canvasWidth;
    }
    getColorAt(x, y) {
        const index = y * this.#canvasWidth + x;
        if (index >= this.#imageDataData.length / 4) {
            throw Error(`index out of bounds: index = ${index}, max allowed index = ${this.#imageDataData.length / 4 - 1}`);
        }
        const dataIndex = index * 4;
        return BpxRgbColor.of(this.#imageDataData[dataIndex], this.#imageDataData[dataIndex + 1], this.#imageDataData[dataIndex + 2]);
    }
}
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