Let the paint-server client compute and pass any additional transform

Source/core/rendering/svg/SVGRenderSupport.h

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * 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 SVGRenderSupport_h
 #define SVGRenderSupport_h
 
+#include "core/rendering/svg/RenderSVGResource.h"
+
 namespace blink {
 
 class AffineTransform;
 class FloatPoint;
 class FloatRect;
 class GraphicsContext;
 class GraphicsContextStateSaver;
 class PaintInvalidationState;
 class LayoutRect;
 struct PaintInfo;
@@ skipping 42 matching lines @@
     static LayoutRect clippedOverflowRectForPaintInvalidation(const RenderObject*, const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState*);
     static void computeFloatRectForPaintInvalidation(const RenderObject*, const RenderLayerModelObject* paintInvalidationContainer, FloatRect&, const PaintInvalidationState*);
     static void mapLocalToContainer(const RenderObject*, const RenderLayerModelObject* paintInvalidationContainer, TransformState&, bool* wasFixed = 0, const PaintInvalidationState* = 0);
     static const RenderObject* pushMappingToContainer(const RenderObject*, const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&);
 
     // Shared between SVG renderers and resources.
     static void applyStrokeStyleToContext(GraphicsContext*, const RenderStyle*, const RenderObject*);
     static void applyStrokeStyleToStrokeData(StrokeData*, const RenderStyle*, const RenderObject*);
 
     // Update the GC state (on |stateSaver.context()|) for painting |renderer|
-    // using |style|. |resourceModeFlags| is used to decide between fill/stroke.
+    // using |style|. |resourceMode| is used to decide between fill/stroke.
     // Previous state will be saved (if needed) using |stateSaver|.
-    static bool updateGraphicsContext(GraphicsContextStateSaver&, RenderStyle*, RenderObject&, unsigned resourceModeFlags);
+    static bool updateGraphicsContext(GraphicsContextStateSaver&, RenderStyle*, RenderObject&, RenderSVGResourceMode, const AffineTransform* additionalPaintServerTransform = 0);
 
     // Determines if any ancestor's transform has changed.
     static bool transformToRootChanged(RenderObject*);
 
     // FIXME: These methods do not belong here.
     static const RenderSVGRoot* findTreeRootObject(const RenderObject*);
 
     // Helper method for determining if a RenderObject marked as text (isText()== true)
     // can/will be rendered as part of a <text>.
     static bool isRenderableTextNode(const RenderObject*);
 
 private:
     static void updateObjectBoundingBox(FloatRect& objectBoundingBox, bool& objectBoundingBoxValid, RenderObject* other, FloatRect otherBoundingBox);
     static bool layoutSizeOfNearestViewportChanged(const RenderObject* start);
 };
 
 } // namespace blink
 
 #endif // SVGRenderSupport_h