Method readColor

packages/fairygui/src/utils/ByteBuffer.ts:250–256

* Read color as packed u32 (0xRRGGBBAA format) * 读取颜色为打包的 u32（0xRRGGBBAA 格式）

(bHasAlpha: boolean = false)

     * 读取颜色为打包的 u32（0xRRGGBBAA 格式）
     */
    public readColor(bHasAlpha: boolean = false): number {
        const r = this.getUint8();
        const g = this.getUint8();
        const b = this.getUint8();
        const a = this.getUint8();
        return ((r << 24) | (g << 16) | (b << 8) | (bHasAlpha ? a : 0xFF)) >>> 0;
    }

    /**
     * Read color as CSS string (always reads 4 bytes: r, g, b, a)