Merge WebKit at r75993: Initial merge by git.

Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3

1 files changed, 53 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/svg/SVGImageBufferTools.h b/Source/WebCore/rendering/svg/SVGImageBufferTools.h
new file mode 100644
index 0000000..cfb15b2
--- /dev/null
+++ b/Source/WebCore/rendering/svg/SVGImageBufferTools.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef SVGImageBufferTools_h
+#define SVGImageBufferTools_h
+
+#if ENABLE(SVG)
+#include "ImageBuffer.h"
+#include <wtf/Noncopyable.h>
+
+namespace WebCore {
+
+class AffineTransform;
+class FloatRect;
+class FloatSize;
+class GraphicsContext;
+class RenderObject;
+
+class SVGImageBufferTools : public Noncopyable {
+public:
+    static bool createImageBuffer(const FloatRect& absoluteTargetRect, const FloatRect& clampedAbsoluteTargetRect, OwnPtr<ImageBuffer>&, ColorSpace);
+    static void renderSubtreeToImageBuffer(ImageBuffer*, RenderObject*, const AffineTransform&);
+    static void clipToImageBuffer(GraphicsContext*, const AffineTransform& absoluteTransform, const FloatRect& clampedAbsoluteTargetRect, OwnPtr<ImageBuffer>&);
+
+    static void calculateTransformationToOutermostSVGCoordinateSystem(const RenderObject*, AffineTransform& absoluteTransform);
+    static FloatRect clampedAbsoluteTargetRectForRenderer(const RenderObject*, const FloatRect& absoluteTargetRect);
+    static IntSize roundedImageBufferSize(const FloatSize&);
+
+private:
+    SVGImageBufferTools() { }
+    ~SVGImageBufferTools() { }
+};
+
+}
+
+#endif
+#endif