Util.java Source code

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Here is the source code for Util.java

Source

/**
 * 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 color based on 0-9 scale ranging from green to yellow.
     */
    public static Color gyColor(int i) {
        int[][] rgb = { { 0, 164, 0 }, { 19, 174, 0 }, { 41, 184, 0 }, { 65, 194, 0 }, { 91, 204, 0 },
                { 119, 215, 0 }, { 150, 225, 0 }, { 183, 235, 0 }, { 218, 245, 0 }, { 255, 255, 0 } };
        int ii = 0;
        if (i > 9)
            ii = 9;
        else
            ii = Math.max(i, ii);
        float[] hsb = Color.RGBtoHSB(rgb[ii][0], rgb[ii][1], rgb[ii][2], null);
        return Color.getHSBColor(hsb[0], hsb[1], hsb[2]);
    }

    /**
     * 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;
    }
}