Transform Reader

Thursday, 21 July 2011 12:35
// description of your code here


// ScalingReader transformReader = new ScalingReader() {

 Component component = new JPanel();

 MediaTracker mediaTracker = new MediaTracker(component);

 public Image create(Dimension originalSize,Dimension maxSize) throws Throwable {

   Dimension newSize = Scaling.scaleDimensionsProportionally(originalSize, maxSize);



   URL url = getImageURL();

   Image image = Toolkit.getDefaultToolkit().createImage(url);

   mediaTracker.addImage(image, 0);

   mediaTracker.waitForAll();



   BufferedImage thumbnail = new BufferedImage(newSize.width, newSize.height, BufferedImage.TYPE_INT_ARGB);

   Graphics2D g = thumbnail.createGraphics();

   double scale = ((double)newSize.width)/((double)originalSize.width);

   g.scale(scale, scale);

   g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

   g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

   g.drawImage(image, 0, 0, null);

   g.dispose();



   mediaTracker.removeImage(image);

   image.flush();



   return thumbnail;

 }



 public String getName() {

   return "transformReader";

 }

};
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