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| package timeflow.util;
|
| import java.awt.*;
| import java.awt.image.*;
|
| public class ColorUtils
| {
|
| public static Color alpha(Color c, int a)
| {
| return new Color(c.getRed(), c.getGreen(), c.getBlue(),a);
| }
|
| public static Color interpolate(Color x, Color y, double u)
| {
| return new Color(interp(x.getRed(), y.getRed(), u),
| interp(x.getGreen(), y.getGreen(), u),
| interp(x.getBlue(), y.getBlue(), u));
| }
|
| private static int interp(int x, int y, double u)
| {
| return (int)(y*u+x*(1-u));
| }
|
| public static float[] hsb(Color c)
| {
| return Color.RGBtoHSB(c.getRed(), c.getGreen(), c.getBlue(), new float[3]);
| }
|
| }
|
|
