ColorUtils.java 文件源码

public static void XYZToLAB(@FloatRange(from = 0.0d, to = 95.047d) double x, @FloatRange(from = 0.0d, to = 100.0d) double y, @FloatRange(from = 0.0d, to = 108.883d) double z, @NonNull double[] outLab) {
    if (outLab.length != 3) {
        throw new IllegalArgumentException("outLab must have a length of 3.");
    }
    x = pivotXyzComponent(x / XYZ_WHITE_REFERENCE_X);
    y = pivotXyzComponent(y / XYZ_WHITE_REFERENCE_Y);
    z = pivotXyzComponent(z / XYZ_WHITE_REFERENCE_Z);
    outLab[0] = Math.max(0.0d, (116.0d * y) - 16.0d);
    outLab[1] = 500.0d * (x - y);
    outLab[2] = 200.0d * (y - z);
}