/*
* $Id: EyeDropperColorChooserPanel.java 3475 2009-08-28 08:30:47Z kleopatra $
*
* Copyright 2008 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jdesktop.swingx.color;
import java.awt.AWTException;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.MouseEvent;
import java.awt.geom.Point2D;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.colorchooser.AbstractColorChooserPanel;
import javax.swing.event.MouseInputAdapter;
import org.jdesktop.swingx.JXColorSelectionButton;
/**
* <p>EyeDropperColorChooserPanel is a pluggable panel for the
* {@link JColorChooser} which allows the user to grab any
* color from the screen using a magnifying glass.</p>
*
* <p>Example usage:</p>
* <pre><code>
* public static void main(String ... args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JColorChooser chooser = new JColorChooser();
chooser.addChooserPanel(new EyeDropperColorChooserPanel());
JFrame frame = new JFrame();
frame.add(chooser);
frame.pack();
frame.setVisible(true);
}
});
}
* </code></pre>
*
* @author joshua@marinacci.org
*/
public class EyeDropperColorChooserPanel extends AbstractColorChooserPanel {
/**
* Example usage
*/
public static void main(String ... args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JColorChooser chooser = new JColorChooser();
chooser.addChooserPanel(new EyeDropperColorChooserPanel());
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(chooser);
frame.pack();
frame.setVisible(true);
}
});
}
/**
* Creates new EyeDropperColorChooserPanel
*/
public EyeDropperColorChooserPanel() {
initComponents();
MouseInputAdapter mia = new MouseInputAdapter() {
@Override
public void mousePressed(MouseEvent evt) {
}
@Override
public void mouseDragged(MouseEvent evt) {
Point pt = evt.getPoint();
SwingUtilities.convertPointToScreen(pt,evt.getComponent());
((MagnifyingPanel)magPanel).setMagPoint(pt);
}
@Override
public void mouseReleased(MouseEvent evt) {
Color newColor = new Color(((MagnifyingPanel)magPanel).activeColor);
getColorSelectionModel().setSelectedColor(newColor);
}
};
eyeDropper.addMouseListener(mia);
eyeDropper.addMouseMotionListener(mia);
try {
eyeDropper.setIcon(new ImageIcon(
EyeDropperColorChooserPanel.class.getResource("mag.png")));
eyeDropper.setText("");
} catch (Exception ex) {
ex.printStackTrace();
}
magPanel.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
Color color = new Color(((MagnifyingPanel)magPanel).activeColor);
activeColor.setBackground(color);
hexColor.setText(ColorUtil.toHexString(color).substring(1));
rgbColor.setText(color.getRed() +"," + color.getGreen() + "," + color.getBlue());
}
});
}
private class MagnifyingPanel extends JPanel {
private Point2D point;
private int activeColor;
public void setMagPoint(Point2D point) {
this.point = point;
repaint();
}
@Override
public void paintComponent(Graphics g) {
if(point != null) {
Rectangle rect = new Rectangle((int)point.getX()-10,(int)point.getY()-10,20,20);
try {
BufferedImage img =new Robot().createScreenCapture(rect);
g.drawImage(img,0,0,getWidth(),getHeight(),null);
int oldColor = activeColor;
activeColor = img.getRGB(img.getWidth()/2,img.getHeight()/2);
firePropertyChange("activeColor", oldColor, activeColor);
} catch (AWTException ex) {
ex.printStackTrace();
}
}
g.setColor(Color.black);
g.drawRect(getWidth()/2 - 5, getHeight()/2 -5, 10,10);
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
private void initComponents() {
java.awt.GridBagConstraints gridBagConstraints;
eyeDropper = new javax.swing.JButton();
magPanel = new MagnifyingPanel();
activeColor = new JXColorSelectionButton();
hexColor = new javax.swing.JTextField();
JTextArea jTextArea1 = new JTextArea();
jLabel1 = new javax.swing.JLabel();
rgbColor = new javax.swing.JTextField();
JLabel jLabel2 = new JLabel();
setLayout(new java.awt.GridBagLayout());
eyeDropper.setText("eye");
add(eyeDropper, new java.awt.GridBagConstraints());
magPanel.setLayout(new java.awt.BorderLayout());
magPanel.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
magPanel.setMinimumSize(new java.awt.Dimension(100, 100));
magPanel.setPreferredSize(new java.awt.Dimension(100, 100));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 1;
gridBagConstraints.gridheight = 3;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.insets = new java.awt.Insets(0, 0, 0, 12);
add(magPanel, gridBagConstraints);
activeColor.setEnabled(false);
activeColor.setPreferredSize(new java.awt.Dimension(40, 40));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 2;
gridBagConstraints.gridy = 3;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.insets = new java.awt.Insets(2, 0, 2, 0);
add(activeColor, gridBagConstraints);
hexColor.setEditable(false);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 2;
gridBagConstraints.gridy = 1;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.insets = new java.awt.Insets(2, 0, 2, 0);
add(hexColor, gridBagConstraints);
jTextArea1.setColumns(20);
jTextArea1.setEditable(false);
jTextArea1.setLineWrap(true);
jTextArea1.setRows(5);
jTextArea1.setText("Drag the magnifying glass to select a color from the screen.");
jTextArea1.setWrapStyleWord(true);
jTextArea1.setOpaque(false);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridwidth = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTH;
gridBagConstraints.weightx = 10.0;
gridBagConstraints.weighty = 10.0;
gridBagConstraints.insets = new java.awt.Insets(0, 0, 7, 0);
add(jTextArea1, gridBagConstraints);
jLabel1.setText("#");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 1;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(0, 4, 0, 4);
add(jLabel1, gridBagConstraints);
rgbColor.setEditable(false);
rgbColor.setText("255,255,255");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 2;
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.insets = new java.awt.Insets(2, 0, 2, 0);
add(rgbColor, gridBagConstraints);
jLabel2.setText("RGB");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 2;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(0, 4, 0, 4);
add(jLabel2, gridBagConstraints);
}// </editor-fold>//GEN-END:initComponents
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton activeColor;
private javax.swing.JButton eyeDropper;
private javax.swing.JTextField hexColor;
private javax.swing.JLabel jLabel1;
private javax.swing.JPanel magPanel;
private javax.swing.JTextField rgbColor;
// End of variables declaration//GEN-END:variables
/**
* {@inheritDoc}
*/
@Override
public void updateChooser() {
}
/**
* {@inheritDoc}
*/
@Override
protected void buildChooser() {
}
/**
* {@inheritDoc}
*/
@Override
public String getDisplayName() {
return "Grab from Screen";
}
/**
* {@inheritDoc}
*/
@Override
public Icon getSmallDisplayIcon() {
return new ImageIcon();
}
/**
* {@inheritDoc}
*/
@Override
public Icon getLargeDisplayIcon() {
return new ImageIcon();
}
}