JLayeredPane.java: Rewrite to accomodate djee@redhat.com's recent inverse ordering of Container...

2004-01-08  Graydon Hoare  <graydon@redhat.com>

	* javax/swing/JLayeredPane.java: Rewrite to accomodate
	djee@redhat.com's recent inverse ordering of Container elements.

From-SVN: r75745

libjava/ChangeLog

+2004-01-12  Graydon Hoare  <graydon@redhat.com>
+
+	* gnu/java/awt/gtk/GdkGraphics2D.java
+	(static): Check GtkToolkit before initializing static state.
+	(Graphics2D): Don't construct transform with 0.5 unit offset.
+
+2003-11-06  Sascha Brawer  <brawer@dandelis.ch>
+
+	* gnu/java/awt/BitwiseXORComposite.java: Add.
+	* gnu/java/awt/peer/gtk/GdkGraphics2D.java
+	(setXORMode): Switch to gnu.java.awt.BitwiseXORComposite.
+	(BitwiseXORComposite): Remove inner class.
+
 2004-01-11  Michael Koch  <konqueror@gmx.de>
 
 	* gnu/java/lang/reflect/TypeSignature.java

libjava/gnu/java/awt/peer/gtk/GdkGraphics2D.java

@@ -66,6 +66,8 @@ public class GdkGraphics2D extends Graphics2D
       {
         System.loadLibrary("gtkpeer");
       }
+
+    if (GtkToolkit.useGraphics2D ())
       initStaticState ();
   }
   native static void initStaticState ();
@@ -125,7 +127,7 @@ public class GdkGraphics2D extends Graphics2D
       clip = new Rectangle (g.getClipBounds ());
 
     if (g.transform == null)
-      transform = AffineTransform.getTranslateInstance (0.5, 0.5);
+      transform = new AffineTransform ();
     else
       transform = new AffineTransform (g.transform);
 
@@ -150,7 +152,7 @@ public class GdkGraphics2D extends Graphics2D
     setBackground (Color.black);
     setPaint (getColor());
     setFont (new Font("SansSerif", Font.PLAIN, 12));
-    setTransform (AffineTransform.getTranslateInstance (0.5, 0.5));
+    setTransform (new AffineTransform ());
     setStroke (new BasicStroke ());
 
     stateStack = new Stack();
@@ -165,7 +167,7 @@ public class GdkGraphics2D extends Graphics2D
     setBackground (new Color (rgb[3], rgb[4], rgb[5]));
     setPaint (getColor());
     setFont (new Font("SansSerif", Font.PLAIN, 12));
-    setTransform (AffineTransform.getTranslateInstance (0.5, 0.5));
+    setTransform (new AffineTransform ());
     setStroke (new BasicStroke ());
 
     stateStack = new Stack ();
@@ -546,7 +548,7 @@ public class GdkGraphics2D extends Graphics2D
 
   public void setXORMode (Color c) 
   { 
-    setComposite (new BitwiseXorComposite (c)); 
+    setComposite (new gnu.java.awt.BitwiseXORComposite(c)); 
   }
 
   public void setColor (Color c)
@@ -978,76 +980,6 @@ public class GdkGraphics2D extends Graphics2D
   }
 
 
-  private class BitwiseXorComposite implements Composite
-  {
-    // this is a special class which does a bitwise XOR composite, for
-    // backwards compatibility sake. it does *not* implement the
-    // porter-duff XOR operator.  the porter-duff XOR is unrelated to
-    // bitwise XOR; it just happens to have a similar name but it
-    // represents a desire to composite the exclusive or of overlapping
-    // subpixel regions. bitwise XOR is for drawing "highlights" such as
-    // cursors (in a cheap oldskool bitblit fashion) by inverting colors
-    // temporarily and then inverting them back.
-
-    Color xorColor;
-    
-    class BitwiseXorCompositeContext implements CompositeContext
-    {
-      ColorModel srcColorModel;
-      ColorModel dstColorModel;
-      
-      public BitwiseXorCompositeContext (ColorModel s,
-                                         ColorModel d)
-      {
-        srcColorModel = s;
-        dstColorModel = d;
-      }
-
-      public void dispose () 
-      {
-      }
-
-      public void compose (Raster src,
-                           Raster dstIn,
-                           WritableRaster dstOut)
-      {
-        Rectangle srcRect = src.getBounds ();
-        Rectangle dstInRect = dstIn.getBounds ();
-        Rectangle dstOutRect = dstOut.getBounds ();
-        
-        int xp = xorColor.getRGB ();
-        int x = 0, y = 0;
-        int w = Math.min (Math.min (srcRect.width, dstOutRect.width), dstInRect.width);
-        int h = Math.min (Math.min (srcRect.height, dstOutRect.height), dstInRect.height);
-        Object srcPix = null, dstPix = null;
-
-        for (y = 0; y < h; y++)
-          for (x = 0; x < w; x++)
-            {
-              srcPix = src.getDataElements (x + srcRect.x, y + srcRect.y, srcPix);
-              dstPix = dstIn.getDataElements (x + dstInRect.x, y + dstInRect.y, dstPix);
-              int sp = srcColorModel.getRGB (srcPix);
-              int dp = dstColorModel.getRGB (dstPix);
-              int rp = sp ^ xp ^ dp;
-              dstOut.setDataElements (x + dstOutRect.x, y + dstOutRect.y, 
-                                      dstColorModel.getDataElements (rp, null));
-            }
-      }
-    }
-    
-    public BitwiseXorComposite (Color c)
-    {
-      xorColor = c;
-    }
-    
-    public CompositeContext createContext (ColorModel srcColorModel, 
-                                           ColorModel dstColorModel, 
-                                           RenderingHints hints) 
-    {
-      return new BitwiseXorCompositeContext (srcColorModel, dstColorModel);
-    }
-  }  
-
 
   ///////////////////////////////////////////////
   ////// Unimplemented Stubs and Overloads //////