public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(BACKGROUND);
g2.fill(
new Rectangle2D.Float(
0f, 0f, (float) g2.getClipBounds().width, (float) g2.getClipBounds().height));
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
canvas.paint(g2);
}
public void draw(Graphics2D g) {
Rectangle2D clipBounds = g.getClipBounds();
if (clipBounds != null) {
Collection<Figure> c = quadTree.findIntersects(clipBounds);
Collection<Figure> toDraw = sort(c);
draw(g, toDraw);
} else {
draw(g, children);
}
}
@Override
public void draw(Graphics2D g) {
double opacity = get(OPACITY);
opacity = Math.min(Math.max(0d, opacity), 1d);
if (opacity != 0d) {
if (opacity != 1d) {
Rectangle2D.Double drawingArea = getDrawingArea();
Rectangle2D clipBounds = g.getClipBounds();
if (clipBounds != null) {
Rectangle2D.intersect(drawingArea, clipBounds, drawingArea);
}
if (!drawingArea.isEmpty()) {
BufferedImage buf =
new BufferedImage(
(int) ((2 + drawingArea.width) * g.getTransform().getScaleX()),
(int) ((2 + drawingArea.height) * g.getTransform().getScaleY()),
BufferedImage.TYPE_INT_ARGB);
Graphics2D gr = buf.createGraphics();
gr.scale(g.getTransform().getScaleX(), g.getTransform().getScaleY());
gr.translate((int) -drawingArea.x, (int) -drawingArea.y);
gr.setRenderingHints(g.getRenderingHints());
drawFigure(gr);
gr.dispose();
Composite savedComposite = g.getComposite();
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) opacity));
g.drawImage(
buf,
(int) drawingArea.x,
(int) drawingArea.y,
2 + (int) drawingArea.width,
2 + (int) drawingArea.height,
null);
g.setComposite(savedComposite);
}
} else {
drawFigure(g);
}
}
}