Code
ImageIcon icon = new ImageIcon(getClass().getResource("test.png"));
Component beforeCanvas = new JComponent() {
@Override protected void paintComponent(Graphics g) {
super.paintComponent(g);
int iw = icon.getIconWidth();
int ih = icon.getIconHeight();
g.drawImage(icon.getImage(), 0, 0, iw, ih, this);
}
};
split.setLeftComponent(beforeCanvas);
Component afterCanvas = new JComponent() {
@Override protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g.create();
int iw = icon.getIconWidth();
int ih = icon.getIconHeight();
if (check.isSelected()) {
g2.setColor(getBackground());
g2.setXORMode(Color.BLUE);
} else {
g2.setPaintMode();
}
Point pt = getLocation();
Insets ins = split.getBorder().getBorderInsets(split);
g2.translate(-pt.x + ins.left, 0);
g2.drawImage(icon.getImage(), 0, 0, iw, ih, this);
g2.dispose();
}
};
split.setRightComponent(afterCanvas);
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