Пример #1
0
 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);
   }
 }
Пример #3
0
  @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);
      }
    }
  }