Examples of java.awt.image.BufferedImage

java.awt.image.BufferedImage
The BufferedImage subclass describes an {@link java.awt.Image Image} with an accessible buffer of image data.A BufferedImage is comprised of a {@link ColorModel} and a{@link Raster} of image data.The number and types of bands in the {@link SampleModel} of theRaster must match the number and types required by the ColorModel to represent its color and alpha components. All BufferedImage objects have an upper left corner coordinate of (0, 0). Any Raster used to construct a BufferedImage must therefore have minX=0 and minY=0.
This class relies on the data fetching and setting methods of Raster, and on the color characterization methods of ColorModel. @see ColorModel @see Raster @see WritableRaster @version 10 Feb 1997

    final double transx = sx1 * scalex;
    final double transy = sy1 * scaley;
    final AffineTransform tx = AffineTransform.getTranslateInstance(dx1 - transx, dy1 - transy);
    tx.scale(scalex, scaley);


    final BufferedImage mask = new BufferedImage(img.getWidth(observer), img.getHeight(observer),
        BufferedImage.TYPE_BYTE_BINARY);
    final Graphics g = mask.getGraphics();
    g.fillRect(sx1, sy1, (int) swidth, (int) sheight);
    drawImage(img, mask, tx, null, observer);
    g.dispose();
    return true;
  }

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    else if (paint instanceof TexturePaint)
    {
      try
      {
        final TexturePaint tp = (TexturePaint)paint;
        final BufferedImage img = tp.getImage();
        final Rectangle2D rect = tp.getAnchorRect();
        final com.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
        final PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
        final AffineTransform inverse = this.normalizeMatrix();
        inverse.translate(rect.getX(), rect.getY());
        inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
        final double[] mx = new double[6];
        inverse.getMatrix(mx);
        pattern.setPatternMatrix((float)mx[0], (float)mx[1], (float)mx[2], (float)mx[3], (float)mx[4], (float)mx[5]) ;
        image.setAbsolutePosition(0,0);
        pattern.addImage(image);
        if (fill)
            cb.setPatternFill(pattern);
        else
            cb.setPatternStroke(pattern);


      }
      catch (Exception ex)
      {
        if (fill)
        {
          cb.setColorFill(Color.gray);
        }
        else
        {
          cb.setColorStroke(Color.gray);
        }
      }
    }
    else
    {
      try
      {
        int type = BufferedImage.TYPE_4BYTE_ABGR;
        if (paint.getTransparency() == Transparency.OPAQUE)
        {
          type = BufferedImage.TYPE_3BYTE_BGR;
        }
        final BufferedImage img = new BufferedImage((int) width, (int) height, type);
        final Graphics2D g = (Graphics2D) img.getGraphics();
        g.transform(transform);
        final AffineTransform inv = transform.createInverse();
        Shape fillRect = new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight());
        fillRect = inv.createTransformedShape(fillRect);
        g.setPaint(paint);
        g.fill(fillRect);
        if (invert)
        {

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    final Dimension dim = drawable.getSize();


    final int width = Math.max(1, (int) (scale * dim.width));
    final int height = Math.max(1, (int) (scale * dim.height));


    final BufferedImage bi = ImageUtils.createTransparentImage(width, height);
    final Graphics2D graph = bi.createGraphics();
    graph.setBackground(new Color(0, 0, 0, 0));
    graph.setTransform(AffineTransform.getScaleInstance(scale, scale));
    drawable.draw(graph, new Rectangle2D.Float(0, 0, dim.width, dim.height));
    graph.dispose();

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      final ContentLocation contentLocation = getBodyContentLocation();
      final NameGenerator nameGenerator = getBodyNameGenerator();
      final ContentItem contentItem =
          contentLocation.createItem(nameGenerator.generateName(null, mimeType));
      final BufferedImage image = interceptor.getImage();
      final ImageEncoder imageEncoder = ImageEncoderRegistry.getInstance().createEncoder(mimeType);
      final OutputStream outputStream = contentItem.getOutputStream();
      imageEncoder.encodeImage(image, outputStream, quality, alphaChannel);
      outputStream.close();
    }

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    }


    public void processLogicalPage(final LogicalPageKey key, final PageDrawable page)
    {
      final Dimension preferredSize = page.getPreferredSize();
      image = new BufferedImage(preferredSize.width, preferredSize.height, BufferedImage.TYPE_INT_ARGB);
      final Graphics2D g2 = image.createGraphics();
      page.draw(g2, new Rectangle2D.Double(0, 0, preferredSize.width, preferredSize.height));
      g2.dispose();
    }

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   *
   * @param event the report event.
   */
  public void pageStarted(final ReportEvent event)
  {
    final BufferedImage image = new BufferedImage(150, 50, BufferedImage.TYPE_INT_ARGB);
    final Graphics2D g2 = image.createGraphics();
    final JButton bt = new JButton("A Button");
    bt.setSize(90, 20);
    final JRadioButton radio = new JRadioButton("A radio button");
    radio.setSize(100, 20);

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      final int numberOfPages = prc.getNumberOfPages();
      for (int i = 0; i < numberOfPages; i++)
      {
        final String fileNameFormated =
            MessageFormat.format(fileName, new Object[]{new Integer(i)});
        final BufferedImage image = createImage(report.getPageDefinition());


        final Rectangle rect = new Rectangle(0, 0, image.getWidth(), image.getHeight());
        // prepare the image by filling it ...
        final Graphics2D g2 = image.createGraphics();
        g2.setPaint(Color.white);
        g2.fill(rect);


        final PageDrawable pageDrawable = prc.getPageDrawable(i);
        pageDrawable.draw(g2, rect);

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    final PageFormat pf = pd.getPageFormat(0);


    final double width = pf.getWidth();
    final double height = pf.getHeight();
    //write the report to the temp file
    return new BufferedImage
        ((int) width, (int) height, BufferedImage.TYPE_BYTE_INDEXED);
  }

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    {
      final Icon errorIcon = getErrorIcon();
      final int width = errorIcon.getIconWidth();
      final int height = errorIcon.getIconHeight();


      final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
      emptyIcon = new ImageIcon(bi);
    }
    return emptyIcon;
  }

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    final double height = 400;


    final WaitingImageObserver obs = new WaitingImageObserver(source);
    obs.waitImageLoaded();


    final BufferedImage bImage = new BufferedImage((int) (width * scale), (int) (height * scale), BufferedImage.TYPE_INT_ARGB);


    final Graphics2D graph = bImage.createGraphics();
    graph.setTransform(AffineTransform.getScaleInstance(scale, scale));
    graph.drawImage(source, AffineTransform.getScaleInstance(scale, scale), null);
    graph.dispose();
    return bImage;
  }

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