Merge Webkit at r58956: Initial merge by Git.

Change-Id: I1d9fb60ea2c3f2ddc04c17a871acdb39353be228

1 files changed, 75 insertions, 0 deletions

diff --git a/WebCore/rendering/RenderSVGResourceGradient.h b/WebCore/rendering/RenderSVGResourceGradient.h
new file mode 100644
index 0000000..2fd9cf4
--- /dev/null
+++ b/WebCore/rendering/RenderSVGResourceGradient.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
+ *               2008 Eric Seidel <eric@webkit.org>
+ * 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 RenderSVGResourceGradient_h
+#define RenderSVGResourceGradient_h
+
+#if ENABLE(SVG)
+#include "AffineTransform.h"
+#include "FloatRect.h"
+#include "Gradient.h"
+#include "ImageBuffer.h"
+#include "RenderSVGResourceContainer.h"
+#include "SVGGradientElement.h"
+
+#include <wtf/HashMap.h>
+
+namespace WebCore {
+
+struct GradientData {
+    RefPtr<Gradient> gradient;
+
+    bool boundingBoxMode;
+    AffineTransform transform;
+};
+
+class GraphicsContext;
+
+class RenderSVGResourceGradient : public RenderSVGResourceContainer {
+public:
+    RenderSVGResourceGradient(SVGGradientElement*);
+    virtual ~RenderSVGResourceGradient();
+
+    virtual void invalidateClients();
+    virtual void invalidateClient(RenderObject*);
+
+    virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode);
+    virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode);
+    virtual FloatRect resourceBoundingBox(const FloatRect&) const { return FloatRect(); }
+
+protected:
+    void addStops(GradientData*, const Vector<Gradient::ColorStop>&) const;
+    virtual void buildGradient(GradientData*, SVGGradientElement*) const = 0;
+
+private:
+    HashMap<RenderObject*, GradientData*> m_gradient;
+
+#if PLATFORM(CG)
+    GraphicsContext* m_savedContext;
+    OwnPtr<ImageBuffer> m_imageBuffer;
+#endif
+};
+
+}
+
+#endif
+#endif