Cache the GdkSkia object in PlatformContextSkia so that we aren't creating

webkit/port/platform/graphics/PlatformContextSkia.cpp

 // Copyright (c) 2008, Google Inc. All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 // 
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
@@ skipping 25 matching lines @@
 
 #include "base/gfx/image_operations.h"
 #include "base/gfx/platform_canvas.h"
 #include "base/gfx/skia_utils.h"
 
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
 #include "SkShader.h"
 #include "SkDashPathEffect.h"
 
+#if defined(OS_LINUX)
+#include "GdkSkia.h"
+#endif
+
 // State -----------------------------------------------------------------------
 
 // Encapsulates the additional painting state information we store for each
 // pushed graphics state.
 struct PlatformContextSkia::State {
     State();
     State(const State&);
     ~State();
 
     // Common shader state.
@@ skipping 82 matching lines @@
 
 // PlatformContextSkia ---------------------------------------------------------
 
 // Danger: canvas can be NULL.
 PlatformContextSkia::PlatformContextSkia(gfx::PlatformCanvas* canvas)
     : m_canvas(canvas)
     , m_stateStack(sizeof(State))
 {
     m_stateStack.append(State());
     m_state = &m_stateStack.last();
+#if defined(OS_LINUX)
+    m_gdkskia = m_canvas ? gdk_skia_new(m_canvas) : NULL;
+#endif
 }
 
 PlatformContextSkia::~PlatformContextSkia()
 {
+#if defined(OS_LINUX)
+    if (m_gdkskia) {
+        g_object_unref(m_gdkskia);
+        m_gdkskia = NULL;
+    }
+#endif
 }
 
 void PlatformContextSkia::setCanvas(gfx::PlatformCanvas* canvas)
 {
     m_canvas = canvas;
 }
 
 void PlatformContextSkia::save()
 {
     m_stateStack.append(*m_state);
@@ skipping 240 matching lines @@
 
 const SkBitmap* PlatformContextSkia::bitmap() const
 {
     return &m_canvas->getDevice()->accessBitmap(false);
 }
 
 bool PlatformContextSkia::IsPrinting()
 {
     return m_canvas->getTopPlatformDevice().IsVectorial();
 }