Esempio n. 1
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 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));
 }
Esempio n. 2
0
  private static int[] makeGradientPallet() {
    BufferedImage image = new BufferedImage(100, 1, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    Point2D start = new Point2D.Float(0f, 0f);
    Point2D end = new Point2D.Float(99f, 0f);
    float[] dist = {0f, .5f, 1f};
    Color[] colors = {Color.RED, Color.YELLOW, Color.GREEN};
    g2.setPaint(new LinearGradientPaint(start, end, dist, colors));
    g2.fillRect(0, 0, 100, 1);
    g2.dispose();

    int width = image.getWidth(null);
    int[] pallet = new int[width];
    PixelGrabber pg = new PixelGrabber(image, 0, 0, width, 1, pallet, 0, width);
    try {
      pg.grabPixels();
    } catch (InterruptedException ex) {
      ex.printStackTrace();
    }
    return pallet;
  }
  private void internalPaintTabBackground(
      Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h, boolean isSelected) {
    BufferedImage leftImg = null;
    BufferedImage middleImg = null;
    BufferedImage rightImg = null;

    Graphics2D g2 = (Graphics2D) g;

    AntialiasingManager.activateAntialiasing(g2);

    int tabOverlap = 0;

    if (isSelected) {
      if (tabPane.isEnabledAt(tabIndex)) {
        leftImg = DesktopUtilActivator.getImage(SELECTED_TAB_LEFT_BG);
        middleImg = DesktopUtilActivator.getImage(SELECTED_TAB_MIDDLE_BG);
        rightImg = DesktopUtilActivator.getImage(SELECTED_TAB_RIGHT_BG);

        tabOverlap = TAB_OVERLAP;
      } else {
        leftImg = DesktopUtilActivator.getImage(TAB_LEFT_BG);
        middleImg = DesktopUtilActivator.getImage(TAB_MIDDLE_BG);
        rightImg = DesktopUtilActivator.getImage(TAB_RIGHT_BG);
      }
    } else {
      leftImg = DesktopUtilActivator.getImage(TAB_LEFT_BG);
      middleImg = DesktopUtilActivator.getImage(TAB_MIDDLE_BG);
      rightImg = DesktopUtilActivator.getImage(TAB_RIGHT_BG);
    }

    // Remove the existing gap between the tabs and the panel, which is due
    // to the removal of the tabbed pane border.
    y++;
    // If the current tab is not the selected tab we paint it 2 more pixels
    // to the bottom in order to create the disabled look.
    if (!isSelected) y += 2;

    g2.drawImage(leftImg, x, y, null);
    g2.drawImage(
        middleImg,
        x + leftImg.getWidth(),
        y,
        w - leftImg.getWidth() - rightImg.getWidth() + tabOverlap,
        leftImg.getHeight(),
        null);
    g2.drawImage(rightImg, x + w - rightImg.getWidth() + tabOverlap, y, null);
  }