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.*;


 /** Displays a dialog that allows the user to select a color using three sliders. */
public class ColorChooser implements TextListener, AdjustmentListener {
	Vector colors, sliders;
	ColorPanel panel;
	Color initialColor;
	int red, green, blue;
	boolean useHSB;
	String title;
	Frame frame;

	/** Constructs a ColorChooser using the specified title and initial color. */
	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;
	}

	/** Displays a color selection dialog and returns the color selected by the user. */
	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; i255) 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