1 files changed, 178 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/x/XImage.java b/libjava/classpath/gnu/java/awt/peer/x/XImage.java
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+++ b/libjava/classpath/gnu/java/awt/peer/x/XImage.java
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+/* XImage.java -- Image impl for X Pixmaps
+   Copyright (C) 2006 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.peer.x;
+
+import gnu.x11.Pixmap;
+import gnu.x11.image.ZPixmap;
+
+import java.awt.Graphics;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+
+import java.awt.image.ColorModel;
+import java.awt.image.ImageConsumer;
+import java.awt.image.ImageObserver;
+import java.awt.image.ImageProducer;
+
+import java.util.Hashtable;
+import java.util.Vector;
+
+public class XImage
+  extends Image
+{
+
+  Pixmap pixmap;
+
+  private Hashtable properties;
+
+  XImage(int w, int h)
+  {
+    GraphicsEnvironment env =
+      GraphicsEnvironment.getLocalGraphicsEnvironment();
+    XGraphicsDevice dev = (XGraphicsDevice) env.getDefaultScreenDevice();
+    pixmap = new Pixmap(dev.getDisplay(), w, h);
+  }
+
+  public int getWidth(ImageObserver observer)
+  {
+    return pixmap.width;
+  }
+
+  public int getHeight(ImageObserver observer)
+  {
+    return pixmap.height;
+  }
+
+  public ImageProducer getSource()
+  {
+    return new XImageProducer();
+  }
+
+  /**
+   * Creates an XGraphics for drawing on this XImage.
+   *
+   * @return an XGraphics for drawing on this XImage
+   */
+  public Graphics getGraphics()
+  {
+    XGraphics2D g = new XGraphics2D(pixmap);
+    return g;
+  }
+
+  public Object getProperty(String name, ImageObserver observer)
+  {
+    Object val = null;
+    if (properties != null)
+      val = properties.get(val);
+    return val;
+  }
+
+  public void flush()
+  {
+    // TODO: Implement this.
+    throw new UnsupportedOperationException("Not yet implemented.");
+  }
+
+  protected void finalize()
+  {
+    pixmap.free();
+  }
+
+  protected class XImageProducer implements ImageProducer
+  {
+    private Vector<ImageConsumer> consumers = new Vector<ImageConsumer>();
+
+    public void addConsumer(ImageConsumer ic)
+    {
+      if (ic != null && !isConsumer(ic))
+        this.consumers.add(ic);
+    }
+
+    public boolean isConsumer(ImageConsumer ic)
+    {
+      return this.consumers.contains(ic);
+    }
+
+    public void removeConsumer(ImageConsumer ic)
+    {
+      if (ic != null)
+        this.consumers.remove(ic);
+    }
+
+    public void requestTopDownLeftRightResend(ImageConsumer ic)
+    {
+      /* just ignore the call */
+    }
+
+    public void startProduction(ImageConsumer ic)
+    {
+      this.addConsumer(ic);
+
+      for (ImageConsumer consumer : this.consumers)
+        {
+          int width = XImage.this.getWidth(null);
+          int height = XImage.this.getHeight(null);
+
+          XGraphics2D graphics = (XGraphics2D) getGraphics();
+          ColorModel model = graphics.getColorModel();
+          graphics.dispose();
+
+          ZPixmap zpixmap = (ZPixmap)
+            XImage.this.pixmap.image(0, 0, width, height,
+                                     0xffffffff,
+                                     gnu.x11.image.Image.Format.ZPIXMAP);
+
+          int size = zpixmap.get_data_length();
+          System.out.println("size: " + size + ", w = " + width + ", h = " + height);
+
+          int [] pixel = new int[size];
+          for (int i = 0; i < size; i++)
+            pixel[i] = zpixmap.get_data_element(i);
+
+          consumer.setHints(ImageConsumer.SINGLEPASS);
+
+          consumer.setDimensions(width, height);
+          consumer.setPixels(0, 0, width, height, model, pixel, 0, width);
+          consumer.imageComplete(ImageConsumer.STATICIMAGEDONE);
+        }
+
+      System.out.println("done!");
+    }
+  }
+}