arx-convert/dist/common/Color.js

Converts various Arx Fatalis formats to JSON or YAML and back

import { BinaryIO } from './BinaryIO.js';
export class Color {
    static readFrom(binary, mode) {
        if (mode === 'bgra') {
            const [b, g, r, a] = binary.readUint8Array(4);
            return { r, g, b, a: a / 255 };
        }
        if (mode === 'abgr') {
            const [a, b, g, r] = binary.readUint8Array(4);
            return { r, g, b, a: a / 255 };
        }
        const [r, g, b] = binary.readFloat32Array(3);
        return { r: r * 255, g: g * 255, b: b * 255, a: 1 };
    }
    static accumulateFrom({ r, g, b, a }, mode) {
        const buffer = new ArrayBuffer(Color.sizeOf(mode));
        const binary = new BinaryIO(buffer);
        if (mode === 'bgra') {
            binary.writeUint8Array([b, g, r, a * 255]);
        }
        else if (mode === 'abgr') {
            binary.writeUint8Array([a * 255, b, g, r]);
        }
        else {
            binary.writeFloat32Array([r / 255, g / 255, b / 255]);
        }
        return buffer;
    }
    static sizeOf(mode) {
        if (mode === 'rgb') {
            return BinaryIO.sizeOfFloat32Array(3);
        }
        return BinaryIO.sizeOfUint8Array(4);
    }
    static get black() {
        return { r: 0, g: 0, b: 0, a: 1 };
    }
    static get transparent() {
        return { r: 0, g: 0, b: 0, a: 0 };
    }
}
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