Esempio n. 1
0
    private BufferedImage createThumbNailImage(Dimension imgSize, ProgressMonitor pm) {
      Assert.notNull(pm, "pm");

      String thumbNailBandName = getThumbnailBandName();
      Band thumbNailBand = product.getBand(thumbNailBandName);

      Debug.trace(
          "ProductSubsetDialog: Reading thumbnail data for band '" + thumbNailBandName + "'...");
      pm.beginTask("Creating thumbnail image", 5);
      BufferedImage image = null;
      try {
        MultiLevelSource multiLevelSource =
            BandImageMultiLevelSource.create(thumbNailBand, SubProgressMonitor.create(pm, 1));
        final ImageLayer imageLayer = new ImageLayer(multiLevelSource);
        final int imageWidth = imgSize.width;
        final int imageHeight = imgSize.height;
        final int imageType = BufferedImage.TYPE_3BYTE_BGR;
        image = new BufferedImage(imageWidth, imageHeight, imageType);
        Viewport snapshotVp = new DefaultViewport(isModelYAxisDown(imageLayer));
        final BufferedImageRendering imageRendering = new BufferedImageRendering(image, snapshotVp);

        final Graphics2D graphics = imageRendering.getGraphics();
        graphics.setColor(getBackground());
        graphics.fillRect(0, 0, imageWidth, imageHeight);

        snapshotVp.zoom(imageLayer.getModelBounds());
        snapshotVp.moveViewDelta(snapshotVp.getViewBounds().x, snapshotVp.getViewBounds().y);
        imageLayer.render(imageRendering);

        pm.worked(4);
      } finally {
        pm.done();
      }
      return image;
    }
Esempio n. 2
0
 @Override
 public final void draw(Rendering rendering) {
   final Viewport vp = rendering.getViewport();
   final AffineTransform m2v = vp.getModelToViewTransform();
   final Point2D locationInView = m2v.transform(getLocation(), null);
   final Graphics2D g = rendering.getGraphics();
   try {
     g.translate(locationInView.getX(), locationInView.getY());
     drawPoint(rendering);
   } finally {
     g.translate(-locationInView.getX(), -locationInView.getY());
   }
 }