/**
* Java Modular Image Synthesis Toolkit (JMIST)
* Copyright (C) 2008-2013 Bradley W. Kimmel
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package ca.eandb.jmist.framework.tone.swing;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import ca.eandb.jmist.framework.color.CIEXYZ;
import ca.eandb.jmist.framework.tone.ReinhardToneMapper;
import ca.eandb.jmist.framework.tone.ToneMapper;
import ca.eandb.util.ui.JNumberLine;
/**
* @author brad
*
*/
public final class JReinhardToneMapperPanel extends JToneMapperPanel {
/** Serialization version ID. */
private static final long serialVersionUID = 3820623449350636976L;
private static final double DELTA = 1.0;
private static final double MIN_STOP = -10.0;
private static final double MAX_STOP = 10.0;
private final JCheckBox autoCheckBox;
private final JNumberLine whiteSlider;
private final JNumberLine scaleSlider;
private boolean suspendChangeEvents = false;
/**
*
*/
public JReinhardToneMapperPanel() {
autoCheckBox = new JCheckBox("Automatic", true);
whiteSlider = new JNumberLine(MIN_STOP, MAX_STOP, 0);
scaleSlider = new JNumberLine(MIN_STOP, MAX_STOP, 0);
whiteSlider.setEnabled(false);
scaleSlider.setEnabled(false);
autoCheckBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
autoCheckBox_OnActionPerformed(e);
}
});
whiteSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
whiteSlider_OnStateChanged(e);
}
});
scaleSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
scaleSlider_OnStateChanged(e);
}
});
setLayout(new GridBagLayout());
JLabel label;
GridBagConstraints c;
c = new GridBagConstraints();
c.gridy = 0;
c.gridx = 0;
label = new JLabel("");
label.setPreferredSize(new Dimension(100, 25));
add(label, c);
c = new GridBagConstraints();
c.gridy = 0;
c.gridx = 1;
c.weightx = 1.0;
c.anchor = GridBagConstraints.LINE_START;
add(autoCheckBox, c);
c = new GridBagConstraints();
c.gridy = 1;
c.gridx = 0;
c.anchor = GridBagConstraints.LINE_START;
label = new JLabel("White");
label.setPreferredSize(new Dimension(100, 25));
add(label, c);
c = new GridBagConstraints();
c.gridy = 1;
c.gridx = 1;
c.weightx = 1.0;
c.fill = GridBagConstraints.HORIZONTAL;
add(whiteSlider, c);
c = new GridBagConstraints();
c.gridy = 2;
c.gridx = 0;
c.anchor = GridBagConstraints.LINE_START;
label = new JLabel("Scale");
label.setPreferredSize(new Dimension(100, 25));
add(label, c);
c = new GridBagConstraints();
c.gridy = 2;
c.gridx = 1;
c.weighty = 1.0;
c.fill = GridBagConstraints.HORIZONTAL;
add(scaleSlider, c);
JPanel panel = new JPanel();
panel.setPreferredSize(new Dimension(0, 0));
c = new GridBagConstraints();
c.gridy = 3;
c.gridx = 0;
c.gridwidth = GridBagConstraints.REMAINDER;
c.fill = GridBagConstraints.BOTH;
c.weighty = 1.0;
add(panel, c);
}
private void whiteSlider_OnStateChanged(ChangeEvent e) {
if (!whiteSlider.getValueIsAdjusting()) {
fireStateChanged();
}
}
protected void scaleSlider_OnStateChanged(ChangeEvent e) {
if (!scaleSlider.getValueIsAdjusting()) {
fireStateChanged();
}
}
private void autoCheckBox_OnActionPerformed(ActionEvent e) {
boolean custom = !autoCheckBox.isSelected();
whiteSlider.setEnabled(custom);
scaleSlider.setEnabled(custom);
if (!custom) {
fireStateChanged();
}
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.tone.swing.JToneMapperPanel#fireStateChanged()
*/
@Override
protected void fireStateChanged() {
if (!suspendChangeEvents) {
super.fireStateChanged();
}
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.tone.ToneMapperFactory#createToneMapper(java.lang.Iterable)
*/
@Override
public ToneMapper createToneMapper(Iterable<CIEXYZ> samples) {
double yWhite;
double yScale;
if (autoCheckBox.isSelected()) {
double Yavg = 0.0;
double Ymax = 0.0;
int n = 0;
for (CIEXYZ sample : samples) {
if (sample != null) {
double Y = sample.Y();
if (Y > Ymax) {
Ymax = Y;
}
Yavg += Math.log(DELTA + Y);
n++;
}
}
Yavg /= (double) n;
Yavg = Math.exp(Yavg) - DELTA;
double Ymid = 1.03 - 2.0 / (2.0 + Math.log10(Yavg + 1.0));
yWhite = Ymax;
yScale = Ymid / Yavg;
double whiteSliderValue = Math.log(yWhite) / Math.log(2.0);
double scaleSliderValue = Math.log(yScale) / Math.log(2.0);
suspendChangeEvents = true;
whiteSlider.setValue(whiteSliderValue);
scaleSlider.setValue(scaleSliderValue);
suspendChangeEvents = false;
} else {
yWhite = Math.pow(2.0, whiteSlider.getValue());
yScale = Math.pow(2.0, scaleSlider.getValue());
}
return new ReinhardToneMapper(yScale, yWhite);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
JReinhardToneMapperPanel factory = new JReinhardToneMapperPanel();
frame.add(factory);
frame.pack();
frame.setVisible(true);
}
}