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/*
* DecoratedIcon.java
*
* Created on 25 February 2003, 20:47
*/
package org.tigris.toolbutton;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import javax.swing.ImageIcon;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.plaf.metal.MetalLookAndFeel;
/**
* The base class for any decorated icon. The icon to decorate is supplied
* as the constructor and the decoration defined as a pattern buffer in
* the concrete class.
*
* @author Bob Tarling
*/
abstract public class DecoratedIcon extends ImageIcon {
public static final int ROLLOVER = 0;
public static final int STANDARD = 1;
// Sprite buffer for the arrow image of the left button
protected int[][] _buffer;
protected int _popupIconWidth = 11;
protected int _popupIconHeight = 16;
private int _popupIconOffset = 5;
private ImageIcon _imageIcon;
/** Construct an dropdown icon pointing in the given direction
* @param direction the direction the arrow will point, this being one of the constants NORTH, SOUTH, EAST, WEST
*/
DecoratedIcon(ImageIcon imageIcon) {
_imageIcon = imageIcon;
}
protected void init(int[][] buffer) {
_buffer = buffer;
_popupIconWidth = _buffer[0].length;
_popupIconHeight = _buffer.length;
//System.out.println("DecoratedIcon::image " + _imageIcon);
int newWidth = _imageIcon.getIconWidth() + _popupIconOffset + _popupIconWidth;
int newHeight = _imageIcon.getIconHeight();
BufferedImage mergedImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = mergedImage.createGraphics();
g2.drawImage(_imageIcon.getImage(), null, null);
setImage(mergedImage);
}
/** Paints the icon. The top-left corner of the icon is drawn at the point
* (x, y) in the coordinate space of the graphics context g. If this icon has
* no image observer, this method uses the c component as the observer.
*
* @param c the component to be used as the observer if this icon has no image observer
* @param g the graphics context
* @param x the X coordinate of the icon's top-left corner
* @param y the Y coordinate of the icon's top-left corner
*/
public void paintIcon(Component c, Graphics g, int x, int y) {
super.paintIcon(c, g, x, y);
int xOffset = x + _imageIcon.getIconWidth() + _popupIconOffset;
// Initialize the color array
Color[] colors = {
c.getBackground(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlHighlight()};
for (int i=0; i < _popupIconWidth; i++) {
for (int j=0; j < _popupIconHeight; j++) {
if (_buffer[j][i] != 0) {
g.setColor(colors[_buffer[j][i]]);
g.drawLine(xOffset + i, y + j, xOffset + i, y + j);
}
}
}
}
}
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