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/*
* BioJava development code
*
* This code may be freely distributed and modified under the
* terms of the GNU Lesser General Public Licence. This should
* be distributed with the code. If you do not have a copy,
* see:
*
* http://www.gnu.org/copyleft/lesser.html
*
* Copyright for this code is held jointly by the individual
* authors. These should be listed in @author doc comments.
*
* For more information on the BioJava project and its aims,
* or to join the biojava-l mailing list, visit the home page
* at:
*
* http://www.biojava.org/
*
* Created on Mar 9, 2014
* Author: andreas
*
*/
package demo;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.RenderingHints;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import org.jcolorbrewer.ColorBrewer;
public class GetColorGradient extends JPanel{
/**
*
*/
private static final long serialVersionUID = -4954397192682351367L;
private static Color[] getMyGradient() {
boolean colorBlindSave = true;
ColorBrewer[] sequentialPalettes = ColorBrewer.getSequentialColorPalettes(colorBlindSave);
ColorBrewer myBrewer = sequentialPalettes[0];
System.out.println( "Name of this color brewer: " + myBrewer);
// I want a gradient of 8 colors:
Color[] myGradient = myBrewer.getColorPalette(8);
// These are the color codes:
for (Color color: myGradient){
// convert to hex for web display:
String hex = Integer.toHexString(color.getRGB() & 0xffffff);
System.out.println("#"+hex+";");
}
return myGradient;
}
Color[] colors ;
public GetColorGradient(Color[] colors){
super(new GridLayout(colors.length,1)); //3 rows, 1 column
this.colors = colors;
setPreferredSize(new Dimension(15,(colors.length+1)*15));
}
public static void main(String[] args){
SwingUtilities.invokeLater(new Runnable() {
public void run() {
//Turn off metal's use of bold fonts
UIManager.put("swing.boldMetal", Boolean.FALSE);
createAndShowGUI();
}
});
}
/**
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event dispatch thread.
*/
private static void createAndShowGUI() {
Color[] colors = getMyGradient();
//Create and set up the window.
JFrame frame = new JFrame("Color Palette Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Add content to the window.
frame.add(new GetColorGradient(colors));
//Display the window.
frame.pack();
frame.setVisible(true);
}
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
int x = 5;
int y = 7;
int width = 15;
int height = 15;
int colorCount = colors.length;
for (int i = 0; i < colorCount; i++) {
g.setColor(colors[i]);
g.fillRect(x, y+i*height, width, height);
g.setColor(Color.BLACK);
g.drawRect(x, y+i*height, width, height);
}
}
}
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