private static ImageIcon makeRolloverIcon(ImageIcon srcIcon) {
RescaleOp op =
new RescaleOp(new float[] {1.2f, 1.2f, 1.2f, 1f}, new float[] {0f, 0f, 0f, 0f}, null);
BufferedImage img =
new BufferedImage(
srcIcon.getIconWidth(), srcIcon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics g = img.getGraphics();
// g.drawImage(srcIcon.getImage(), 0, 0, null);
srcIcon.paintIcon(null, g, 0, 0);
g.dispose();
return new ImageIcon(op.filter(img, null));
}
private static ImageIcon scale(ImageIcon src) {
// System.out.println(scaleFactor);
if (scaleFactor > 1) {
int w = (int) (scaleFactor * src.getIconWidth());
int h = (int) (scaleFactor * src.getIconHeight());
int type = BufferedImage.TYPE_INT_ARGB;
BufferedImage dst = new BufferedImage(w, h, type);
Graphics2D g2 = dst.createGraphics();
g2.drawImage(src.getImage(), 0, 0, w, h, null);
g2.dispose();
return new ImageIcon(dst);
} else return src;
}
public MainPanel() {
super(new BorderLayout());
ActionListener al =
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JComponent c = (JComponent) e.getSource();
if (ra.equals(c)) {
label.setIcon(iia);
} else if (rb.equals(c)) {
label.setIcon(iib);
} else {
label.setIcon(new ImageIcon(createImage(source)));
}
}
};
JPanel p = new JPanel();
ButtonGroup bg = new ButtonGroup();
for (JRadioButton r : Arrays.asList(ra, rb, rr)) {
r.addActionListener(al);
bg.add(r);
p.add(r);
}
ra.setSelected(true);
add(label);
add(p, BorderLayout.SOUTH);
int w = iia.getIconWidth();
int h = iia.getIconHeight();
int[] pixelsA = getData(iia, w, h);
int[] pixelsB = getData(iib, w, h);
source = new MemoryImageSource(w, h, pixelsA, 0, w);
for (int i = 0; i < pixelsA.length; i++) {
if (pixelsA[i] == pixelsB[i]) {
pixelsA[i] = pixelsA[i] & 0x44FFFFFF;
}
}
setPreferredSize(new Dimension(320, 240));
}
private JLabel makeLabelIcon() {
ImageIcon i = new ImageIcon(getClass().getResource("duke.gif"));
Dimension d = new Dimension(i.getIconWidth(), i.getIconHeight());
final BufferedImage image = new BufferedImage(d.width, d.height, BufferedImage.TYPE_INT_ARGB);
Graphics g = image.createGraphics();
i.paintIcon(null, g, 0, 0);
g.dispose();
final JLabel icon =
new JLabel(i) {
@Override
public boolean contains(int x, int y) {
return super.contains(x, y) && ((image.getRGB(x, y) >> 24) & 0xff) != 0;
}
};
icon.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
MouseAdapter l =
new MouseAdapter() {
private final transient Point start = new Point();
private Point loc;
@Override
public void mousePressed(MouseEvent me) {
start.setLocation(me.getPoint());
}
@Override
public void mouseDragged(MouseEvent me) {
loc = icon.getLocation(loc);
int x = loc.x - start.x + me.getX();
int y = loc.y - start.y + me.getY();
icon.setLocation(x, y);
}
};
icon.addMouseListener(l);
icon.addMouseMotionListener(l);
icon.setBounds(new Rectangle(22, 22, d.width, d.height));
return icon;
}