libjava/

2008-06-28  Matthias Klose  <doko@ubuntu.com>

        Import GNU Classpath (classpath-0_97_2-release).

        * Regenerate class and header files.
        * Regenerate auto* files.
        * gcj/javaprims.h: Define jobjectRefType.
        * jni.cc (_Jv_JNI_GetObjectRefType): New (stub only).
        (_Jv_JNIFunctions): Initialize GetObjectRefType.
        * gnu/classpath/jdwp/VMVirtualMachine.java,
        java/security/VMSecureRandom.java: Merge from classpath.
        * HACKING: Fix typo.
        * ChangeLog-2007: New file.
        * configure.ac: Set JAVAC, pass --disable-regen-headers to classpath.

libjava/classpath/

2008-06-28  Matthias Klose  <doko@ubuntu.com>

        * m4/ac_prog_javac.m4: Disable check for JAVAC, when
        not configured with --enable-java-maintainer-mode.
        * aclocal.m4, configure: Regenerate.
        * native/jni/gstreamer-peer/Makefile.am: Do not link with
        libclasspathnative.
        * native/jni/gstreamer-peer/Makefile.in: Regenerate.
        * tools/Makefile.am, lib/Makefile.am: Use JAVAC for setting
        JCOMPILER, drop flags not understood by gcj.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137223 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 828 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/java/awt/image/AsyncImage.java b/libjava/classpath/gnu/java/awt/image/AsyncImage.java
new file mode 100644
index 00000000000..935601a8898
--- /dev/null
+++ b/libjava/classpath/gnu/java/awt/image/AsyncImage.java
@@ -0,0 +1,300 @@
+/* AsyncImage.java -- Loads images asynchronously
+   Copyright (C) 2008 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.awt.image;
+
+
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.image.ImageConsumer;
+import java.awt.image.ImageObserver;
+import java.awt.image.ImageProducer;
+import java.util.HashSet;
+import java.util.Iterator;
+
+/**
+ * Supports asynchronous loading of images.
+ */
+public class AsyncImage
+  extends Image
+{
+
+  /**
+   * The image source for AsyncImages.
+   */
+  private class AsyncImageSource
+    implements ImageProducer
+  {
+    /**
+     * The real image source, if already present, or <code>null</code>
+     * otherwise.
+     */
+    private ImageProducer realSource;
+
+    public void addConsumer(ImageConsumer ic)
+    {
+      startProduction(ic);
+    }
+
+    public boolean isConsumer(ImageConsumer ic)
+    {
+      return false;
+    }
+
+    public void removeConsumer(ImageConsumer ic)
+    {
+      // Nothing to do here.
+    }
+
+    public void requestTopDownLeftRightResend(ImageConsumer ic)
+    {
+      startProduction(ic);
+    }
+
+    public void startProduction(ImageConsumer ic)
+    {
+      ImageProducer ip = getRealSource();
+      if (ip == null)
+        {
+          ic.setDimensions(1, 1);
+          ic.imageComplete(ImageConsumer.SINGLEFRAMEDONE);
+        }
+      else
+        {
+          ip.startProduction(ic);
+        }
+    }
+
+    /**
+     * Returns the real image source, if already present. Otherwise, this
+     * returns <code>null</code>.
+     *
+     * @return the real image source, or <code>null</code> if not present
+     */
+    private ImageProducer getRealSource()
+    {
+      synchronized (AsyncImage.this)
+        {
+          ImageProducer source = realSource;
+          if (source == null)
+            {
+              Image ri = realImage;
+              if (ri != null)
+                {
+                  realSource = source = ri.getSource();
+                }
+            }
+          return source;
+        }
+    }
+  }
+
+  /**
+   * The real image. This is null as long as the image is not complete.
+   */
+  private volatile Image realImage;
+
+  /**
+   * The image observers.
+   *
+   * This is package private to avoid accessor methods.
+   */
+  HashSet<ImageObserver> observers;
+
+  private volatile boolean complete = false;
+
+  /**
+   * Creates a new AsyncImage.
+   */
+  AsyncImage()
+  {
+    observers = new HashSet<ImageObserver>();
+  }
+
+  public void flush()
+  {
+    // Nothing to do here.
+  }
+
+  public Graphics getGraphics()
+  {
+    Image r = realImage;
+    Graphics g = null;
+    if (r != null)
+      g = r.getGraphics(); // Should we return some dummy graphics instead?
+    return g;
+  }
+  
+  public boolean isComplete() {
+  	return complete;
+  }
+
+  public int getHeight(ImageObserver observer)
+  {
+    addObserver(observer);
+    int height = -1;
+    waitForImage(observer);
+    Image r = realImage;
+    if (r != null)
+      height = r.getHeight(observer);
+    return height;
+  }
+
+  public Object getProperty(String name, ImageObserver observer)
+  {
+    addObserver(observer);
+    Image r = realImage;
+    Object prop = null;
+    if (r != null)
+      prop = r.getProperty(name, observer);
+    return prop;
+  }
+
+  public ImageProducer getSource()
+  {
+    return new AsyncImageSource();
+  }
+
+  public int getWidth(ImageObserver observer)
+  {
+    addObserver(observer);
+    int width = -1;
+    waitForImage(observer);
+    Image r = realImage;
+    if (r != null)
+      width = r.getWidth(observer);
+    return width;
+  }
+
+  public void addObserver(ImageObserver obs)
+  {
+    if (obs != null)
+      {
+        synchronized (this)
+          {
+            // This field gets null when image loading is complete and we don't
+            // need to store any more observers.
+            HashSet<ImageObserver> observs = observers;
+            if (observs != null)
+              {
+                observs.add(obs);
+              }
+          }
+      }
+  }
+
+  public boolean prepareImage(int w, int h, ImageObserver obs)
+  {
+    addObserver(obs);
+    return realImage != null;
+  }
+
+  public int checkImage(int w, int h, ImageObserver obs)
+  {
+    addObserver(obs);
+    int flags = 0;
+    if (realImage != null)
+      flags = ImageObserver.ALLBITS | ImageObserver.WIDTH
+              | ImageObserver.HEIGHT | ImageObserver.PROPERTIES;
+    return flags;
+  }
+
+  public Image getRealImage()
+  {
+    return realImage;
+  }
+
+  public void setRealImage(Image im)
+  {
+    realImage = im;
+    int status = ImageObserver.HEIGHT | ImageObserver.WIDTH;
+    notifyObservers(status, 0, 0, im.getWidth(null), im.getHeight(null));
+  }
+
+  public void notifyObservers(int status, int x, int y, int w, int h)
+  {
+    synchronized (this)
+    {
+      HashSet observs = observers;
+      if (observs != null)
+        {
+          Iterator i = observs.iterator();
+          while (i.hasNext())
+            {
+              ImageObserver obs = (ImageObserver) i.next();
+              boolean complete = obs.imageUpdate(this, status, x, y, realImage.getWidth(obs), realImage.getHeight(obs));
+              if (complete) // Remove completed observers.
+                i.remove();
+            }
+        }
+      if ((status & ImageObserver.ALLBITS) != 0)
+        {
+          complete = true;
+          notifyAll();
+        }
+    }
+  }
+
+  /**
+   * Waits for the image to be loaded completely, if the image observer
+   * is <code>null</code>. Otherwise this is not necessary, because the
+   * image observer can be notified about later completion.
+   *
+   * @param observer the image observer
+   */
+  public void waitForImage(ImageObserver observer)
+  {
+    if (!complete && observer == null)
+      {
+        synchronized (this)
+          {
+            while (! complete)
+              {
+                try
+                  {
+                    wait();
+                  }
+                catch (InterruptedException ex)
+                  {
+                    Thread.currentThread().interrupt();
+                  }
+              }
+          }
+      }
+  }
+}
diff --git a/libjava/classpath/gnu/java/awt/image/ImageConverter.java b/libjava/classpath/gnu/java/awt/image/ImageConverter.java
new file mode 100644
index 00000000000..f607b349630
--- /dev/null
+++ b/libjava/classpath/gnu/java/awt/image/ImageConverter.java
@@ -0,0 +1,528 @@
+/* ImageConverter.java -- Loads images asynchronously
+   Copyright (C) 2008 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.awt.image;
+
+import gnu.java.awt.image.AsyncImage;
+
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Transparency;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.DataBuffer;
+import java.awt.image.ImageConsumer;
+import java.awt.image.IndexColorModel;
+import java.awt.image.ImageObserver;
+import java.awt.image.SinglePixelPackedSampleModel;
+import java.awt.image.WritableRaster;
+import java.util.Hashtable;
+
+/**
+ * Convert an Image to a BufferedImage.
+ * 
+ * @author Roman Kennke (kennke@aicas.com)
+ */
+public class ImageConverter implements ImageConsumer
+{
+
+  public static final String IMAGE_TRANSPARENCY_PROPERTY =
+    "gnu.awt.image.transparency";
+
+  public static final String IMAGE_PROPERTIES_PROPERTY =
+    "gnu.awt.image.properties";
+
+  private AsyncImage image;
+  private BufferedImage bImage;
+  private Hashtable imageProperties;
+  private int width, height;
+  private ColorModel colorModel;
+  private ColorModel targetColorModel;
+
+  public ImageConverter()
+  {
+    width = 0;
+    height = 0;
+    image = new AsyncImage();
+  }
+
+  public void setDimensions(int w, int h)
+  {
+    width = w;
+    height = h;
+  }
+
+  public void setProperties(Hashtable props)
+  {
+    // Ignore for now.
+  }
+
+  public void setColorModel(ColorModel model)
+  {
+    colorModel = model;
+  }
+
+  public void setHints(int flags)
+  {
+    // Ignore for now.
+  }
+
+  public void setPixels(int x, int y, int w, int h, ColorModel model,
+                        byte[] pixels, int offset, int scansize)
+  {
+    model = setupColorModel(model);
+
+    if (bImage == null)
+      {
+        createImage();
+      }
+
+    Integer t = (Integer) imageProperties.get("gnu.awt.image.transparency");
+    int transparency = t.intValue();
+
+    if(targetColorModel.equals(model))
+      {
+        transparency = transferPixels(x, y, w, h, model, pixels, offset,
+                                      scansize, transparency);
+      }
+    else if (model instanceof IndexColorModel
+             && targetColorModel.equals(ColorModel.getRGBdefault())) 
+      {
+        transparency = convertIndexColorModelToSRGB(x, y, w, h,
+                                                    (IndexColorModel) model,
+                                                    pixels, offset, scansize,
+                                                    transparency);
+      }
+    else
+      {
+        transparency = convertPixels(x, y, w, h, model, pixels, offset,
+                                     scansize, transparency);
+      }
+
+    imageProperties.put("gnu.awt.image.transparency",
+                        Integer.valueOf(transparency));
+  }
+
+  public void setPixels(int x, int y, int w, int h, ColorModel model,
+                        int[] pixels, int offset, int scansize)
+  {
+    model = setupColorModel(model);
+    if (bImage == null)
+      {
+        createImage();
+      }
+
+    Integer t = (Integer) imageProperties.get(IMAGE_TRANSPARENCY_PROPERTY);
+    int transparency= t.intValue();
+
+    if (targetColorModel.equals(model))
+      {
+        transparency = transferPixels(x, y, w, h, model, pixels, offset,
+                                      scansize, transparency);
+      }
+    else if (model instanceof IndexColorModel
+             && targetColorModel.equals(ColorModel.getRGBdefault()))
+      {
+        transparency = convertIndexColorModelToSRGB(x, y, w, h,
+                                                    (IndexColorModel) model,
+                                                    pixels, offset, scansize,
+                                                    transparency);
+      }
+    else
+      {
+        transparency = convertPixels(x, y, w, h, model, pixels, offset,
+                                     scansize, transparency);
+      }
+
+    imageProperties.put(IMAGE_TRANSPARENCY_PROPERTY,
+                        Integer.valueOf(transparency));
+
+  }
+
+  /**
+   * Initialize the color model for this setPixels run: <br/>
+   * 1. if no color model was given use the hinted color model <br/>
+   * 2. if no color model was given and non was hinted use the default sRGB color model. <br/>
+   * Also:<br/>
+   * If no target color model was set use the color model of the given pixels.
+   * @param model
+   * @return
+   */
+  private ColorModel setupColorModel(ColorModel model)
+  {
+    // If the given color model is null use the previously hinted color model.
+    if (model == null)
+      model = colorModel;
+
+    // If no color model was given or hinted use default sRGB.
+    if (model == null)
+      model = ColorModel.getRGBdefault();
+
+    // If no specific color model was requested for the target use the current
+    // pixels model.
+    if (targetColorModel == null)
+      targetColorModel = model;
+    targetColorModel = ColorModel.getRGBdefault();
+    return model;
+  }
+
+  /**
+   * Creates the image instance into which the pixel data is converted.
+   */
+  private void createImage()
+  {
+    if (imageProperties == null)
+      {
+        imageProperties = new Hashtable();
+      }
+
+    imageProperties.put(IMAGE_TRANSPARENCY_PROPERTY,
+                        Integer.valueOf(Transparency.OPAQUE));
+    imageProperties.put(IMAGE_PROPERTIES_PROPERTY, imageProperties);
+
+    // For the sRGB case let the GraphicsEnvironment create an image for us.
+    if (ColorModel.getRGBdefault().equals(targetColorModel))
+      {
+        bImage = GraphicsEnvironment.getLocalGraphicsEnvironment()
+                                    .getDefaultScreenDevice()
+                                    .getDefaultConfiguration()
+             .createCompatibleImage(width, height, Transparency.TRANSLUCENT);
+      }
+    else
+      {
+        WritableRaster raster =
+          targetColorModel.createCompatibleWritableRaster(width, height);
+        bImage = new BufferedImage(targetColorModel, raster, false,
+                                   imageProperties);
+      }
+    image.setRealImage(bImage);
+    return;
+  }
+
+  /**
+   * Transfers pixels into a raster of the same color model.
+   *
+   * @param x the X coordinate of the source pixel rectangle
+   * @param y the Y coordinate of the source pixel rectangle
+   * @param w the width of the source pixel rectangle
+   * @param h the height of the source pixel rectangle
+   * @param model the color model of the source pixels
+   * @param pixels the pixel data
+   * @param offset the offset in the pixel array
+   * @param scansize the scanline size
+   * @param transparency the assumed transparency
+   * 
+   * @return the determined transparency
+   */
+  private int transferPixels(int x, int y, int w, int h, ColorModel model,
+                             byte[] pixels, int offset, int scansize,
+                             int transparency)
+  {
+    // If we have the same color model, then we can simply drop
+    // the pixel value into the target raster.
+    bImage.getRaster().setDataElements(x, y, w, h, pixels);
+
+    for (int yy = 0; yy < h; yy++)
+      {
+        for (int xx = 0; xx < w; xx++)
+          {
+            int pixel = 0xFF & pixels[yy * scansize + xx + offset];
+            int alpha = model.getAlpha(pixel);
+            transparency = updateTransparency(alpha, transparency);
+          }
+      }
+    return transparency;
+  }
+
+  /**
+   * Transfers pixels into a raster of the same color model.
+   *
+   * @param x the X coordinate of the source pixel rectangle
+   * @param y the Y coordinate of the source pixel rectangle
+   * @param w the width of the source pixel rectangle
+   * @param h the height of the source pixel rectangle
+   * @param model the color model of the source pixels
+   * @param pixels the pixel data
+   * @param offset the offset in the pixel array
+   * @param scansize the scanline size
+   * @param transparency the assumed transparency
+   * 
+   * @return the determined transparency
+   */
+  private int transferPixels(int x, int y, int w, int h, ColorModel model,
+                             int[] pixels, int offset, int scansize,
+                             int transparency)
+  {
+    // If we have the same color model, then we can simply drop
+    // the pixel value into the target raster.
+    bImage.getRaster().setDataElements(x, y, w, h, pixels);
+
+    for (int yy = 0; yy < h; yy++)
+      {
+        for (int xx = 0; xx < w; xx++)
+          {
+            int pixel = pixels[yy * scansize + xx + offset];
+            int alpha = model.getAlpha(pixel);
+            transparency = updateTransparency(alpha, transparency);
+          }
+      }
+    return transparency;
+  }
+
+  /**
+   * Converts pixel from one color model to another, and stores them in the
+   * target image.
+   *
+   * @param x the X coordinate of the source pixel rectangle
+   * @param y the Y coordinate of the source pixel rectangle
+   * @param w the width of the source pixel rectangle
+   * @param h the height of the source pixel rectangle
+   * @param model the color model of the source pixels
+   * @param pixels the pixel data
+   * @param offset the offset in the pixel array
+   * @param scansize the scanline size
+   * @param transparency the assumed transparency
+   * 
+   * @return the determined transparency
+   */
+  private int convertPixels(int x, int y, int w, int h, ColorModel model,
+                            byte[] pixels, int offset, int scansize,
+                            int transparency)
+  {
+    // If the color models are not the same, we must convert the
+    // pixel values from one model to the other.
+    Object dataEl = null;
+    // Convert pixels to the destination color model.
+    for (int yy = 0; yy < h; yy++)
+      {
+        for (int xx = 0; xx < w; xx++)
+          {
+            int pixel = 0xFF & pixels[yy * scansize + xx + offset];
+            int rgb = model.getRGB(pixel);
+            int alpha = model.getAlpha(pixel);
+            transparency = updateTransparency(alpha, transparency);
+            dataEl = targetColorModel.getDataElements(rgb, dataEl);
+            bImage.getRaster().setDataElements(x + xx, y + yy, dataEl);
+          }
+      }
+    return transparency;
+  }
+
+  /**
+   * Converts pixel from one color model to another, and stores them in the
+   * target image.
+   *
+   * @param x the X coordinate of the source pixel rectangle
+   * @param y the Y coordinate of the source pixel rectangle
+   * @param w the width of the source pixel rectangle
+   * @param h the height of the source pixel rectangle
+   * @param model the color model of the source pixels
+   * @param pixels the pixel data
+   * @param offset the offset in the pixel array
+   * @param scansize the scanline size
+   * @param transparency the assumed transparency
+   * 
+   * @return the determined transparency
+   */
+  private int convertPixels(int x, int y, int w, int h, ColorModel model,
+                            int[] pixels, int offset, int scansize,
+                            int transparency)
+  {
+    // If the color models are not the same, we must convert the
+    // pixel values from one model to the other.
+    Object dataEl = null;
+    // Convert pixels to the destination color model.
+    for (int yy = 0; yy < h; yy++)
+      {
+        for (int xx = 0; xx < w; xx++)
+          {
+            int pixel = pixels[yy * scansize + xx + offset];
+            int rgb = model.getRGB(pixel);
+            int alpha = model.getAlpha(pixel);
+            transparency = updateTransparency(alpha, transparency);
+            dataEl = targetColorModel.getDataElements(rgb, dataEl);
+            bImage.getRaster().setDataElements(x + xx, y + yy, dataEl);
+          }
+      }
+    return transparency;
+  }
+
+  /**
+   * Converts pixels from an index color model to the target image.
+   *
+   * @param x the X coordinate of the source pixel rectangle
+   * @param y the Y coordinate of the source pixel rectangle
+   * @param w the width of the source pixel rectangle
+   * @param h the height of the source pixel rectangle
+   * @param model the color model of the source pixels
+   * @param pixels the pixel data
+   * @param offset the offset in the pixel array
+   * @param scansize the scanline size
+   * @param transparency the assumed transparency
+   * 
+   * @return the determined transparency
+   */
+  private int convertIndexColorModelToSRGB(int x, int y, int w, int h,
+                                           IndexColorModel model,
+                                           byte[] pixels, int offset,
+                                           int scansize, int transparency)
+  {
+
+    int mapSize = model.getMapSize();
+    int[] colorMap = new int[mapSize];
+    for(int i=0; i < mapSize; i++)
+      {
+        colorMap[i] = model.getRGB(i);
+      }
+
+    WritableRaster raster = bImage.getRaster();
+    SinglePixelPackedSampleModel sampleMode =
+      (SinglePixelPackedSampleModel) raster.getSampleModel();
+    DataBuffer dataBuffer = (DataBuffer) raster.getDataBuffer();
+
+    int rasterOffset = sampleMode.getOffset(x,y)+dataBuffer.getOffset();
+    int rasterScanline = sampleMode.getScanlineStride();
+
+    for (int yy = 0; yy < h; yy++)
+      {
+        int xoffset = offset;
+        for (int xx = 0; xx < w; xx++)
+          {
+            int argb  = colorMap[(pixels[xoffset++] & 0xFF)];
+            dataBuffer.setElem(rasterOffset+xx, argb);
+            int alpha = (argb >>> 24);
+            transparency = updateTransparency(alpha, transparency);
+          }
+        offset += scansize;
+        rasterOffset += rasterScanline;
+      }
+
+    return transparency;
+  }
+
+  /**
+   * Converts pixels from an index color model to the target image.
+   *
+   * @param x the X coordinate of the source pixel rectangle
+   * @param y the Y coordinate of the source pixel rectangle
+   * @param w the width of the source pixel rectangle
+   * @param h the height of the source pixel rectangle
+   * @param model the color model of the source pixels
+   * @param pixels the pixel data
+   * @param offset the offset in the pixel array
+   * @param scansize the scanline size
+   * @param transparency the assumed transparency
+   * 
+   * @return the determined transparency
+   */
+  private int convertIndexColorModelToSRGB(int x, int y, int w, int h,
+                                           IndexColorModel model, int[] pixels,
+                                           int offset, int scansize,
+                                           int transparency)
+  {
+    int mapSize = model.getMapSize();
+    int[] colorMap = new int[mapSize];
+    for(int i=0; i < mapSize; i++)
+      {
+        colorMap[i] = model.getRGB(i);
+      }
+
+    WritableRaster raster = bImage.getRaster();
+    SinglePixelPackedSampleModel sampleMode =
+      (SinglePixelPackedSampleModel) raster.getSampleModel();
+    DataBuffer dataBuffer = (DataBuffer)raster.getDataBuffer();
+
+    int rasterOffset = sampleMode.getOffset(x, y) + dataBuffer.getOffset();
+    int rasterScanline = sampleMode.getScanlineStride();
+
+    for (int yy = 0; yy < h; yy++)
+      {
+        int xoffset = offset;
+        for (int xx = 0; xx < w; xx++)
+          {
+            int argb  = colorMap[pixels[xoffset++]];
+            dataBuffer.setElem(rasterOffset + xx, argb);
+            int alpha = (argb >>> 24);
+            transparency = updateTransparency(alpha, transparency);
+          }
+        offset += scansize;
+        rasterOffset += rasterScanline;
+      }
+
+    return transparency;
+  }
+
+  /**
+   * Updates the transparency information according to the alpha pixel value.
+   *
+   * @param alpha the alpha pixel value
+   * @param transparency the old transparency
+   *
+   * @return the updated transparency
+   */
+  private int updateTransparency(int alpha, int transparency)
+  {
+    if (alpha != 0xFF)
+      {
+        if (alpha == 0x00 && transparency <= Transparency.BITMASK)
+          {
+            transparency = Transparency.BITMASK;
+          }
+        else if (transparency < Transparency.TRANSLUCENT)
+          {
+            transparency = Transparency.TRANSLUCENT;
+          }
+      }
+    return transparency;
+  }
+
+  public void imageComplete(int status)
+  {
+    image.notifyObservers(ImageObserver.ALLBITS, 0, 0, width, height);
+  }
+
+  public void setTargetColorModel(ColorModel model)
+  {
+    targetColorModel = model;
+  }
+
+  public Image getImage()
+  {
+    return image;
+  }
+}