import org.pentaho.di.ui.util.ImageUtil; //导入依赖的package包/类
/**
 * Loads an image from a location once.  The second time, the image comes from a cache.
 * Because of this, it's important to never dispose of the image you get from here. (easy!)
 * The images are automatically disposed when the application ends.
 * 
 * @param location
 * @return
 */
public Image getImage(String location) {
 Image image = imageMap.get(location);
 if (image==null) {
  image = ImageUtil.getImage(display, location);
  imageMap.put(location, image);
 }
 return image;
}
 

import org.pentaho.di.ui.util.ImageUtil; //导入依赖的package包/类
@Override
public void drawImage(BufferedImage image, int x, int y) {
  ImageData imageData = ImageUtil.convertToSWT(image);
  Image swtImage = new Image(gc.getDevice(), imageData);
  gc.drawImage(swtImage, x,  y);
  swtImage.dispose();
}
 

import org.pentaho.di.ui.util.ImageUtil; //导入依赖的package包/类
@Override
public void drawImage( BufferedImage image, int x, int y ) {
  ImageData imageData = ImageUtil.convertToSWT( image );
  Image swtImage = new Image( gc.getDevice(), imageData );
  gc.drawImage( swtImage, x, y );
  swtImage.dispose();
}
 

import org.pentaho.di.ui.util.ImageUtil; //导入依赖的package包/类
public Splash(Display display) throws KettleException
{
	Rectangle displayBounds = display.getPrimaryMonitor().getBounds();

	final Image kettle_image = ImageUtil.getImageAsResource(display, BasePropertyHandler.getProperty("splash_image")); // "kettle_splash.png"
       final Image kettle_icon  = ImageUtil.getImageAsResource(display, BasePropertyHandler.getProperty("splash_icon")); // "spoon.ico");
       
       splash = new Shell(display, SWT.NONE /*SWT.ON_TOP*/);
       splash.setImage(kettle_icon);
       //TODO: move to BaseMessage to track i18n
       splash.setText(BasePropertyHandler.getProperty("splash_text")); // "Pentaho Data Integration"
       
	FormLayout splashLayout = new FormLayout();
	splash.setLayout(splashLayout);
       
	Canvas canvas = new Canvas(splash, SWT.NO_BACKGROUND);
	
	FormData fdCanvas = new FormData();
	fdCanvas.left   = new FormAttachment(0,0);
	fdCanvas.top    = new FormAttachment(0,0);
	fdCanvas.right  = new FormAttachment(100,0);
	fdCanvas.bottom = new FormAttachment(100,0);
	canvas.setLayoutData(fdCanvas);

	canvas.addPaintListener(new PaintListener()
		{
			public void paintControl(PaintEvent e)
			{
				e.gc.drawImage(kettle_image, 0, 0);
			}
		}
	);
	
	splash.addDisposeListener(new DisposeListener()
		{
			public void widgetDisposed(DisposeEvent arg0)
			{
				kettle_image.dispose();
			}
		}
	);
	Rectangle bounds = kettle_image.getBounds();
	int x = (displayBounds.width - bounds.width)/2;
	int y = (displayBounds.height - bounds.height)/2;
	
	splash.setSize(bounds.width, bounds.height);
	splash.setLocation(x,y);
	
	splash.open();
}
 

import org.pentaho.di.ui.util.ImageUtil; //导入依赖的package包/类
@Override
public InputStream getPerspectiveIcon() {
  return ImageUtil.getImageInputStream( Display.getCurrent(), "ui/images/transformation.png" );
}