package ij.gui;
import ij.*;
import ij.process.*;
import ij.util.*;
import ij.plugin.Colors;
import java.awt.*;
import java.util.Vector;
import java.awt.event.*;
public class ColorChooser implements TextListener, AdjustmentListener {
Vector colors, sliders;
ColorPanel panel;
Color initialColor;
int red, green, blue;
boolean useHSB;
String title;
Frame frame;
public ColorChooser(String title, Color initialColor, boolean useHSB) {
this(title, initialColor, useHSB, null);
}
public ColorChooser(String title, Color initialColor, boolean useHSB, Frame frame) {
this.title = title;
if (initialColor==null) initialColor = Color.black;
this.initialColor = initialColor;
red = initialColor.getRed();
green = initialColor.getGreen();
blue = initialColor.getBlue();
this.useHSB = useHSB;
this.frame = frame;
}
public Color getColor() {
GenericDialog gd = frame!=null?new GenericDialog(title, frame):new GenericDialog(title);
gd.addSlider("Red:", 0, 255, red);
gd.addSlider("Green:", 0, 255, green);
gd.addSlider("Blue:", 0, 255, blue);
panel = new ColorPanel(initialColor);
gd.addPanel(panel, GridBagConstraints.CENTER, new Insets(10, 0, 0, 0));
colors = gd.getNumericFields();
for (int i=0; i<colors.size(); i++)
((TextField)colors.elementAt(i)).addTextListener(this);
sliders = gd.getSliders();
for (int i=0; i<sliders.size(); i++)
((Scrollbar)sliders.elementAt(i)).addAdjustmentListener(this);
gd.showDialog();
if (gd.wasCanceled()) return null;
int red = (int)gd.getNextNumber();
int green = (int)gd.getNextNumber();
int blue = (int)gd.getNextNumber();
return new Color(red, green, blue);
}
public void textValueChanged(TextEvent e) {
int red = (int)Tools.parseDouble(((TextField)colors.elementAt(0)).getText());
int green = (int)Tools.parseDouble(((TextField)colors.elementAt(1)).getText());
int blue = (int)Tools.parseDouble(((TextField)colors.elementAt(2)).getText());
if (red<0) red=0; if (red>255) red=255;
if (green<0) green=0; if (green>255) green=255;
if (blue<0) blue=0; if (blue>255) blue=255;
panel.setColor(new Color(red, green, blue));
panel.repaint();
}
public synchronized void adjustmentValueChanged(AdjustmentEvent e) {
Object source = e.getSource();
for (int i=0; i<sliders.size(); i++) {
if (source==sliders.elementAt(i)) {
Scrollbar sb = (Scrollbar)source;
TextField tf = (TextField)colors.elementAt(i);
}
}
}
}
class ColorPanel extends Panel {
static final int WIDTH=150, HEIGHT=50;
static Font font = new Font("Monospaced", Font.PLAIN, 18);
Color c;
ColorPanel(Color c) {
this.c = c;
}
public Dimension getPreferredSize() {
return new Dimension(WIDTH, HEIGHT);
}
void setColor(Color c) {
this.c = c;
}
public Dimension getMinimumSize() {
return new Dimension(WIDTH, HEIGHT);
}
public void paint(Graphics g) {
g.setColor(c);
g.fillRect(0, 0, WIDTH, HEIGHT);
int intensity = (c.getRed()+c.getGreen()+c.getBlue())/3;
Color c2 = intensity<128?Color.white:Color.black;
g.setColor(c2);
g.setFont(font);
Java2.setAntialiasedText(g, true);
String s = Colors.colorToString(c);
g.drawString(s, 5, HEIGHT-5);
g.setColor(Color.black);
g.drawRect(0, 0, WIDTH-1, HEIGHT-1);
}
}