Clip Image : Image « SWT JFace Eclipse « Java

Clip Image



/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on 2004-4-19 15:03:55 by JACK
 * $Id$
 * 
 *****************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Region;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

/**
 * 
 */
public class Clipping {
  Display display = new Display();
  Shell shell = new Shell(display);

  public Clipping() {
    shell.setLayout(new FillLayout());
    
    final Canvas canvas = new Canvas(shell, SWT.NULL);
    final Image image = new Image(display, "java2s.gif");
    canvas.addPaintListener(new PaintListener() {
      public void paintControl(PaintEvent e) {
        Region region = new Region();
        region.add(new int[]{60, 10, 10, 100, 110, 100});
        e.gc.setClipping(region);
        
        e.gc.drawImage(image, 0, 0);
      }
    });

    shell.setSize(200, 140);
    shell.open();
    //textUser.forceFocus();

    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }

    display.dispose();
  }

  private void init() {

  }

  public static void main(String[] args) {
    new Clipping();
  }
}

1.	Image Analyzer in SWT
2.	Set icons with different resolutions
3.	Capture a widget image with a GC
4.	Create an icon (in memory)
5.	Display an animated GIF
6.	Rotate and flip an image
7.	Display an image in a group
8.	SWT and Image
9.	Draw Images Example
10.	Double Buffer
11.	Image Basics
12.	File Icon Util
13.	Demonstrates how to draw images
14.	scroll an image (flicker free, no double buffering)
15.	Transfer type to transfer SWT ImageData objects.

Clip Image : Image « SWT JFace Eclipse « Java

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