From e6b426c06016fe3f2c5ad814caf42d486564b9a0 Mon Sep 17 00:00:00 2001
From: Mario Torre <neugens@limasoftware.net>
Date: Mon, 1 Sep 2008 16:07:30 +0000
Subject: 2008-09-01  Mario Torre  <neugens@aicas.com>

	* gnu/java/awt/peer/x/XGraphicsDevice.java (getDisplay): fix to support
	new Escher API.
	* gnu/java/awt/peer/x/XImage.java (getSource): method implemented.
	* gnu/java/awt/peer/x/XImage.java (XImageProducer): implement ImageProducer
	for getSource.
---
 ChangeLog                                |  8 ++++
 gnu/java/awt/peer/x/XGraphicsDevice.java | 27 +++++++++---
 gnu/java/awt/peer/x/XImage.java          | 76 +++++++++++++++++++++++++++++++-
 3 files changed, 104 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1c9a12aa8..89d32d24a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-09-01  Mario Torre  <neugens@aicas.com>
+
+	* gnu/java/awt/peer/x/XGraphicsDevice.java (getDisplay): fix to support
+	new Escher API.
+	* gnu/java/awt/peer/x/XImage.java (getSource): method implemented.
+	* gnu/java/awt/peer/x/XImage.java (XImageProducer): implement ImageProducer
+	for getSource.
+	 
 2008-09-01  Andrew John Hughes  <gnu_andrew@member.fsf.org>
 
 	* gnu/java/util/regex/RETokenStart.java:
diff --git a/gnu/java/awt/peer/x/XGraphicsDevice.java b/gnu/java/awt/peer/x/XGraphicsDevice.java
index eff5902d2..ca37f3adb 100644
--- a/gnu/java/awt/peer/x/XGraphicsDevice.java
+++ b/gnu/java/awt/peer/x/XGraphicsDevice.java
@@ -39,6 +39,7 @@ package gnu.java.awt.peer.x;
 
 import gnu.classpath.SystemProperties;
 import gnu.x11.Display;
+import gnu.x11.EscherServerConnectionException;
 
 import java.awt.GraphicsConfiguration;
 import java.awt.GraphicsDevice;
@@ -127,9 +128,16 @@ public class XGraphicsDevice
             Socket socket = createLocalSocket();
             if (socket != null)
               {
-                display = new Display(socket, "localhost",
-                                      displayName.display_no,
-                                      displayName.screen_no);
+                try
+                  {
+                    display = new Display(socket, "localhost",
+                                          displayName.display_no,
+                                          displayName.screen_no);
+                  }
+                catch (EscherServerConnectionException e)
+                  {
+                    throw new RuntimeException(e.getCause()); 
+                  }
               }
           }
 
@@ -137,8 +145,17 @@ public class XGraphicsDevice
         // when the connection is probably remote or when we couldn't load
         // the LocalSocket class stuff.
         if (display == null)
-          display = new Display(displayName);
-
+          {
+            try
+              {
+                display = new Display(displayName);
+              }
+            catch (EscherServerConnectionException e)
+              {
+                throw new RuntimeException(e.getCause());
+              }
+          }
+        
         eventPump = new XEventPump(display);
       }
     return display;
diff --git a/gnu/java/awt/peer/x/XImage.java b/gnu/java/awt/peer/x/XImage.java
index 7d4636b95..0db5ae3dd 100644
--- a/gnu/java/awt/peer/x/XImage.java
+++ b/gnu/java/awt/peer/x/XImage.java
@@ -39,13 +39,19 @@ 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
@@ -75,8 +81,7 @@ public class XImage
 
   public ImageProducer getSource()
   {
-    // TODO: Implement this.
-    throw new UnsupportedOperationException("Not yet implemented.");
+    return new XImageProducer(); 
   }
 
   /**
@@ -108,4 +113,71 @@ public class XImage
   {
     pixmap.free();
   }
+  
+  protected class XImageProducer implements ImageProducer
+  {
+    private Vector<ImageConsumer> consumers = new Vector<ImageConsumer>();
+    
+    @Override
+    public void addConsumer(ImageConsumer ic)
+    {
+      if (ic != null && !isConsumer(ic))
+        this.consumers.add(ic);
+    }
+
+    @Override
+    public boolean isConsumer(ImageConsumer ic)
+    {
+      return this.consumers.contains(ic);
+    }
+
+    @Override
+    public void removeConsumer(ImageConsumer ic)
+    {
+      if (ic != null)
+        this.consumers.remove(ic);
+    }
+
+    @Override
+    public void requestTopDownLeftRightResend(ImageConsumer ic)
+    {
+      /* just ignore the call */
+    }
+
+    @Override
+    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!");
+    }
+  }
 }
-- 
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