Java Utililty Methods Color Blend

List of utility methods to do Color Blend

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Description

The list of methods to do Color Blend are organized into topic(s).

Method

ColorblendColorKeepAlpha(Color source, Color dest)
blend Color Keep Alpha 
return new Color(
        (int) (source.getRed() + (float) (dest.getRed() - source.getRed()) * (dest.getAlpha() / 255.0f)),
        (int) (source.getGreen()
                + (float) (dest.getGreen() - source.getGreen()) * (dest.getAlpha() / 255.0f)),
        (int) (source.getBlue() + (float) (dest.getBlue() - source.getBlue()) * (dest.getAlpha() / 255.0f)),
        source.getAlpha());
ColorblendColors(Color color, Color color1, double d)
blend Colors 
if (color == null || color1 == null) {
    return null;
} else {
    int i = (int) ((double) color1.getRed() * d + (double) color.getRed() * (1.0D - d));
    int j = (int) ((double) color1.getGreen() * d + (double) color.getGreen() * (1.0D - d));
    int k = (int) ((double) color1.getBlue() * d + (double) color.getBlue() * (1.0D - d));
    int l = color.getAlpha();
    return new Color(i, j, k, l);
...
ColorblendColors(Color from, Color to, double toFraction)
blend Colors 
toFraction = Math.min(1.0, toFraction);
double fromFraction = 1 - toFraction;
return new Color((int) (from.getRed() * fromFraction + to.getRed() * toFraction),
        (int) (from.getGreen() * fromFraction + to.getGreen() * toFraction),
        (int) (from.getBlue() * fromFraction + to.getBlue() * toFraction));
ColorblendColorsUnsafe(final float[] fractions, final Color[] colors, final float progress)
Unchecked version of #blendColors(float[],Color[],float) 
final Color color;
final int[] indicies = getFractionIndicies(fractions, progress);
final float[] range = new float[] { fractions[indicies[0]], fractions[indicies[1]] };
final Color[] colorRange = new Color[] { colors[indicies[0]], colors[indicies[1]] };
final float max = range[1] - range[0];
final float value = progress - range[0];
final float weight = value / max;
color = blend(colorRange[0], colorRange[1], 1f - weight);
...