Wrote a handy little tool for fiddling with the image recoloring routines.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1071 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2002-02-25 07:28:34 +00:00
parent adf80275ca
commit 7729f290be
@@ -0,0 +1,263 @@
//
// $Id: RecolorImage.java,v 1.1 2002/02/25 07:28:34 mdb Exp $
package com.threerings.media.tools;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import java.io.File;
import java.io.IOException;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import com.samskivert.swing.HGroupLayout;
import com.samskivert.swing.VGroupLayout;
import com.samskivert.swing.util.SwingUtil;
import com.threerings.media.Log;
import com.threerings.media.util.ImageUtil;
/**
* Tests the image recoloring code.
*/
public class RecolorImage extends JPanel
implements ActionListener
{
public RecolorImage ()
{
setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
VGroupLayout vlay = new VGroupLayout(VGroupLayout.STRETCH);
vlay.setOffAxisPolicy(VGroupLayout.STRETCH);
setLayout(vlay);
JPanel images = new JPanel(new HGroupLayout());
images.add(_oldImage = new JLabel());
images.add(_newImage = new JLabel());
add(new JScrollPane(images));
JPanel file = new JPanel(new HGroupLayout(HGroupLayout.STRETCH));
file.add(new JLabel("Image file:"), HGroupLayout.FIXED);
file.add(_imagePath = new JTextField());
_imagePath.setEditable(false);
JButton browse = new JButton("Browse...");
browse.setActionCommand("browse");
browse.addActionListener(this);
file.add(browse, HGroupLayout.FIXED);
add(file, VGroupLayout.FIXED);
JPanel controls = new JPanel(new HGroupLayout(HGroupLayout.STRETCH));
controls.add(new JLabel("Source color:"), HGroupLayout.FIXED);
controls.add(_source = new JTextField());
_colorLabel = new JPanel();
_colorLabel.setSize(48, 48);
_colorLabel.setOpaque(true);
controls.add(_colorLabel, HGroupLayout.FIXED);
controls.add(new JLabel("Target color:"), HGroupLayout.FIXED);
controls.add(_target = new JTextField());
JButton update = new JButton("Update");
update.setActionCommand("update");
update.addActionListener(this);
controls.add(update, HGroupLayout.FIXED);
add(controls, VGroupLayout.FIXED);
HGroupLayout hlay = new HGroupLayout(HGroupLayout.STRETCH);
JPanel dists = new JPanel(hlay);
dists.add(new JLabel("HSV distances:"), HGroupLayout.FIXED);
dists.add(_hueD = new JTextField("0.05"));
dists.add(_saturationD = new JTextField("0.8"));
dists.add(_valueD = new JTextField("0.6"));
add(dists, VGroupLayout.FIXED);
hlay = new HGroupLayout(HGroupLayout.STRETCH);
JPanel offsets = new JPanel(hlay);
offsets.add(new JLabel("HSV offsets:"), HGroupLayout.FIXED);
offsets.add(_hueO = new JTextField("0.1"));
offsets.add(_saturationO = new JTextField("0.0"));
offsets.add(_valueO = new JTextField("0.0"));
add(offsets, VGroupLayout.FIXED);
add(_status = new JTextField(), VGroupLayout.FIXED);
_status.setEditable(false);
hlay = new HGroupLayout();
hlay.setJustification(HGroupLayout.CENTER);
JPanel buttons = new JPanel(hlay);
JButton convert = new JButton("Convert");
convert.setActionCommand("convert");
convert.addActionListener(this);
buttons.add(convert);
add(buttons, VGroupLayout.FIXED);
// listen for mouse clicks
images.addMouseListener(new MouseAdapter() {
public void mousePressed (MouseEvent event) {
RecolorImage.this.mousePressed(event);
}
});
// we'll be using a file chooser
String cwd = System.getProperty("user.dir");
if (cwd == null) {
_chooser = new JFileChooser();
} else {
_chooser = new JFileChooser(cwd);
}
}
public void actionPerformed (ActionEvent event)
{
String cmd = event.getActionCommand();
if (cmd.equals("convert")) {
// obtain the target color and offset
try {
int color = Integer.parseInt(_source.getText(), 16);
float hueD = Float.parseFloat(_hueD.getText());
float satD = Float.parseFloat(_saturationD.getText());
float valD = Float.parseFloat(_valueD.getText());
float[] dists = new float[] { hueD, satD, valD };
float hueO = Float.parseFloat(_hueO.getText());
float satO = Float.parseFloat(_saturationO.getText());
float valO = Float.parseFloat(_valueO.getText());
float[] offsets = new float[] { hueO, satO, valO };
BufferedImage image =
ImageUtil.recolorImage(_image, color, dists, offsets);
_newImage.setIcon(new ImageIcon(image));
_status.setText("Recolored image.");
repaint();
} catch (NumberFormatException nfe) {
_status.setText("Invalid value: " + nfe.getMessage());
}
} else if (cmd.equals("update")) {
// obtain the target color and offset
try {
int source = Integer.parseInt(_source.getText(), 16);
int target = Integer.parseInt(_target.getText(), 16);
float[] shsv = rgbToHSV(source);
float[] thsv = rgbToHSV(target);
// set the offsets based on the differences
_hueO.setText("" + (thsv[0] - shsv[0]));
_saturationO.setText("" + (thsv[1] - shsv[1]));
_valueO.setText("" + (thsv[2] - shsv[2]));
} catch (NumberFormatException nfe) {
_status.setText("Invalid value: " + nfe.getMessage());
}
} else if (cmd.equals("browse")) {
int result = _chooser.showOpenDialog(this);
if (result == JFileChooser.APPROVE_OPTION) {
setImage(_chooser.getSelectedFile());
}
}
}
public void setImage (File path)
{
try {
_image = ImageIO.read(path);
_imagePath.setText(path.getPath());
_oldImage.setIcon(new ImageIcon(_image));
} catch (IOException ioe) {
_status.setText("Error opening image file: " + ioe);
}
}
protected static float[] rgbToHSV (int rgb)
{
float[] hsv = new float[3];
Color color = new Color(rgb);
Color.RGBtoHSB(color.getRed(), color.getGreen(),
color.getBlue(), hsv);
return hsv;
}
public void mousePressed (MouseEvent event)
{
// if the click was in the bounds of the source image, grab the
// pixel color and use that to set the "source" color
int x = event.getX(), y = event.getY();
Rectangle ibounds = _oldImage.getBounds();
if (ibounds.contains(x, y)) {
int argb = _image.getRGB(x - ibounds.x, y - ibounds.y);
String cstr = Integer.toString(argb & 0xFFFFFF, 16);
_source.setText(cstr.toUpperCase());
_colorLabel.setBackground(new Color(argb));
_colorLabel.repaint();
}
}
public static void main (String[] args)
{
try {
JFrame frame = new JFrame("Image recoloring test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
RecolorImage panel = new RecolorImage();
// load up the image from the command line if one was
// specified
if (args.length > 0) {
panel.setImage(new File(args[0]));
}
frame.getContentPane().add(panel, BorderLayout.CENTER);
frame.setSize(600, 600);
SwingUtil.centerWindow(frame);
frame.show();
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
protected BufferedImage _image;
protected JFileChooser _chooser;
protected JTextField _imagePath;
protected JLabel _oldImage;
protected JLabel _newImage;
protected JPanel _colorLabel;
protected JTextField _source;
protected JTextField _target;
protected JTextField _hueO;
protected JTextField _saturationO;
protected JTextField _valueO;
protected JTextField _hueD;
protected JTextField _saturationD;
protected JTextField _valueD;
protected JTextField _status;
protected static final String IMAGE_PATH =
// "bundles/components/pirate/torso/regular/standing.png";
"bundles/components/pirate/head/regular/standing.png";
}