[cp-patches] RFC: The big Java2D cleanup

[Sven de Marothy]

Hello all,
So here it is, the big cleanup of GdkGraphics2D, which is no more.
Summary of changes: Methods not needing to be in Graphics2D were moved
to their respective classes.
CairoGraphics2D now implements Graphics2D on an arbitrary cairo_t.

CairoSurface wraps a Cairo surface which can be used as a BufferedImage.

CairoSurfaceGraphics implements Graphics2D on that.

ComponentGraphics implements Graphics2D on component contexts.

BufferedImageGraphics implements it on BufferedImage contexts
(except BufferedImages which are CairoSurfaces).

The GdkPixmap (on-screen drawing) functionality of GtkImage has been
removed. GtkImage now only wraps a GdkPixbuf, and is still used here and
there.

Basically it's all abit simpler and cleaner. The main drawback is that
there are probably some lurking regressions, most notably I know there's
no ComponentGraphics implemented yet for non-xrender systems.

File modifications:
* gnu/java/awt/peer/gtk/BufferedImageGraphics.java
* gnu/java/awt/peer/gtk/CairoGraphics2D.java
* gnu/java/awt/peer/gtk/CairoSurface.java
* gnu/java/awt/peer/gtk/CairoSurfaceGraphics.java
* gnu/java/awt/peer/gtk/ComponentGraphics.java
* include/gnu_java_awt_peer_gtk_CairoGraphics2D.h
* include/gnu_java_awt_peer_gtk_CairoSurface.h
* include/gnu_java_awt_peer_gtk_ComponentGraphics.h
* native/jni/gtk-peer/cairographics2d.h
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoGraphics2D.c
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoSurface.c
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphics.c
New files.

* gnu/java/awt/peer/gtk/GdkFontPeer.java
* gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java
* gnu/java/awt/peer/gtk/GdkPixbufDecoder.java
* gnu/java/awt/peer/gtk/GdkTextLayout.java
* gnu/java/awt/peer/gtk/GtkComponentPeer.java
* gnu/java/awt/peer/gtk/GtkImage.java
* gnu/java/awt/print/JavaPrinterGraphics.java
* include/Makefile.am
* include/gnu_java_awt_peer_gtk_GdkFontPeer.h
* include/gnu_java_awt_peer_gtk_GdkTextLayout.h
* include/gnu_java_awt_peer_gtk_GtkImage.h
* native/jni/gtk-peer/Makefile.am
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontPeer.c
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkClipboard.c
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkFramePeer.c
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImage.c
* native/jni/gtk-peer/gtkpeer.h
Modified.

* gnu/java/awt/peer/gtk/GdkGraphics2D.java
* native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c
* include/gnu_java_awt_peer_gtk_GdkGraphics2D.h
Removed

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