Mega Code Archive
Returns blue-yellow-red color scale
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/**
* Utilities for GUI work.
* @author Alex Kurzhanskiy
* @version $Id: UtilGUI.java 38 2010-02-08 22:59:00Z akurzhan $
*/
import java.awt.Color;
public class Util {
/**
* Returns blue-yellow-red color scale.
*/
public static Color[] byrColorScale() {
int[][] rgb = {
{0, 0, 0},
{0, 0, 159},
{0, 0, 191},
{0, 0, 223},
{0, 0, 255},
{0, 32, 255},
{0, 64, 255},
{0, 96, 255},
{0, 128, 255},
{0, 159, 255},
{0, 191, 255},
{0, 223, 255},
{0, 255, 255},
{32, 255, 223},
{64, 255, 191},
{96, 255, 159},
{128, 255, 128},
{159, 255, 96},
{191, 255, 64},
{223, 255, 32},
{255, 255, 0},
{255, 223, 0},
{255, 191, 0},
{255, 159, 0},
{255, 128, 0},
{255, 96, 0},
{255, 64, 0},
{255, 32, 0},
{255, 0, 0},
{223, 0, 0},
{191, 0, 0},
};
return getColorScale(rgb);
}
/**
* Returns n-dimensional array of colors for given nx3 integer array of RGB values.
*/
public static Color[] getColorScale(int[][] rgb) {
if (rgb == null)
return null;
Color[] clr = new Color[rgb.length];
for (int i = 0; i < rgb.length; i++) {
float[] hsb = Color.RGBtoHSB(rgb[i][0], rgb[i][1], rgb[i][2], null);
clr[i] = Color.getHSBColor(hsb[0], hsb[1], hsb[2]);
}
return clr;
}
}
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