Examples of org.eclipse.swt.graphics.Region.dispose()

org.eclipse.swt.graphics.Region.dispose()
Disposes of the operating system resources associated with the region. Applications must dispose of all regions which they allocate.

      data = ((ImageSkin) Window.this.getSkin(IContainer.BORDER_NE)).getImage()
          .getImageData();
      opaqueRegion = ImageRegion.calculateOpaquePath(data, data.transparentPixel,
          rect.width - data.width, 0);
      region.subtract(opaqueRegion);
      opaqueRegion.dispose();
      data = ((ImageSkin) Window.this.getSkin(IContainer.BORDER_SW)).getImage()
          .getImageData();
      opaqueRegion = ImageRegion.calculateOpaquePath(data, data.transparentPixel, 0,
          rect.height - data.height);
      region.subtract(opaqueRegion);

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      data = ((ImageSkin) Window.this.getSkin(IContainer.BORDER_SW)).getImage()
          .getImageData();
      opaqueRegion = ImageRegion.calculateOpaquePath(data, data.transparentPixel, 0,
          rect.height - data.height);
      region.subtract(opaqueRegion);
      opaqueRegion.dispose();


      data = ((ImageSkin) Window.this.getSkin(IContainer.BORDER_SE)).getImage()
          .getImageData();
      opaqueRegion = ImageRegion.calculateOpaquePath(data, data.transparentPixel,
          rect.width - data.width, rect.height - data.height);

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      data = ((ImageSkin) Window.this.getSkin(IContainer.BORDER_SE)).getImage()
          .getImageData();
      opaqueRegion = ImageRegion.calculateOpaquePath(data, data.transparentPixel,
          rect.width - data.width, rect.height - data.height);
      region.subtract(opaqueRegion);
      opaqueRegion.dispose();
    }


    int hRegion = 0;
    hRegion = Extension.CreateRectRgn(0, 0, 0, 0);
    Extension.CombineRgn(hRegion, region.handle, hRegion, Win32.RGN_OR);

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    shell.setRegion(region);
    shell.addListener(SWT.Dispose, new Listener()
    {
      public void handleEvent(Event event)
      {
        region.dispose();
      }
    });


    final int[] outline = createOutline(shellSize, anchor, false);
    shell.addListener(SWT.Paint, new Listener()

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    shell.setRegion(region);
    shell.addListener(SWT.Dispose, new Listener()
    {
      public void handleEvent(Event event)
      {
        region.dispose();
      }
    });


    final int[] outline = createOutline(shellSize, anchor, false);
    shell.addListener(SWT.Paint, new Listener()

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    gc.getClipping(clipping);
    region.intersect(clipping);
    gc.setClipping(region);
    gc.fillRectangle(region.getBounds());
    gc.setClipping(clipping);
    clipping.dispose();
  }
  
  public void addCTabFolder2Listener(CTabFolder2Listener listener) {
    checkWidget();
    if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);

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        gc.fillRectangle(x, y, width, height);
      }
    }
    gc.setClipping(clipping);
    clipping.dispose();
    region.dispose();
  }
  void drawBody(Event event) {
    GC gc = event.gc;
    Point size = getSize();

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    Region r = new Region();
    r.add(new Rectangle(x, y, width + 1, height + 1));
    r.subtract(shape);
    gc.setBackground(getParent().getBackground());
    fillRegion(gc, r);
    r.dispose();
    
    // Draw the unselected tabs.
    if (!single) {
      for (int i=0; i < items.length; i++) {
        if (i != selectedIndex && event.getBounds().intersects(items[i].getBounds())) {

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            gc.setClipping(reg);
            
            getGroup().drawBackground(gc, 0, 0, getGroup().getSize().x,5); 
            
            gc.setClipping((Region)null);
            reg.dispose();
        }
        
        Point imagePoint = new Point(0, 0);


        if (getGroup().getToggleRenderer() != null)

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        gc.setForeground(borderColor);
        GraphicUtils.drawRoundRectangle(gc, 0, 0, getGroup().getSize().x - 1, titleHeight, null,
                                        true, false);
        
        reg.dispose();
        gc.setClipping((Region)null);


        gc.setForeground(getGroup().getParent().getBackground());


//        if (getGroup().getExpanded())

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