swt控件内容转换成图片

package tt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.ImageLoader;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.internal.win32.OS;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Test extends Shell {

	/**
	 * Launch the application
	 * @param args
	 */
	public static void main(String args[]) {
		try {
			Display display = Display.getDefault();
			Test shell = new Test(display, SWT.SHELL_TRIM);
			shell.open();
			shell.layout();
			while (!shell.isDisposed()) {
				if (!display.readAndDispatch())
					display.sleep();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * Create the shell
	 * @param display
	 * @param style
	 */
	public Test(Display display, int style) {
		super(display, style);
		createContents();
	}

	/**
	 * Create contents of the window
	 */
	protected void createContents() {
		setText("SWT Application");
		setSize(500, 375);

		final Browser browser = new Browser(this, SWT.NONE);
		browser.setUrl("www.google.com.hk");
		browser.setBounds(10, 10, 374, 216);

		final Button button = new Button(this, SWT.NONE);
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				test(Test.this,browser,0,0,400,300,"d:/test.jpg");
			}
		});
		button.setText("button");
		button.setBounds(33, 274, 48, 22);
		//
	}

	protected void test(Shell shell,Browser browser,int xDifference,int yDifference,int imageWidth, int imageHeight,String imgUrl) { 
    	
        GC gc = new GC(browser);
        //设置默认的宽度
        if(imageWidth<=0){
       	 imageWidth=1050;
        }
        
        //设置默认的高度
        if(imageWidth<=0){
       	 imageHeight=450;
        }
         
      
       //始终最前  (50:x轴,50:主轴,1050:图像的x轴的长度,450:图像的y轴的长度)
       OS.SetWindowPos(shell.handle , OS.HWND_TOPMOST, 50 , 50 ,imageWidth, imageHeight , SWT.NULL); 
       shell.setVisible(true); 
       shell.open();
       shell.layout();
       try {
			Thread.sleep(30);
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
       Point size = browser.getSize(); 
            
      
       Image image = new Image(shell.getDisplay(), size.x-xDifference, size.y-yDifference);  
       gc.copyArea(image, 0, 0); 
       shell.setVisible(false); 
       
      // BufferedImage bufferedImage=new BufferedImage(500,500,BufferedImage.TYPE_INT_RGB);
       
       ImageLoader imageLoader = new ImageLoader(); 
       imageLoader.data = new ImageData[] {image.getImageData()}; 
       imageLoader.save(imgUrl, SWT.IMAGE_JPEG); 
       gc.dispose(); 
       image.dispose(); 
       //display.dispose();
       
      
       //System.out.println("captured"); 
   }

	@Override
	protected void checkSubclass() {
		// Disable the check that prevents subclassing of SWT components
	}

}

 

评论

1 楼 nujiah001 2011-07-27  

rap中怎么转化？？？gc没gc.copyArea方法，谁知道，rap中怎么生成图片吗