Merge ReferenceFilter into Filter

Source/core/svg/graphics/filters/SVGFilter.cpp

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. 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.
  */
 
 #include "config.h"
-
 #include "core/svg/graphics/filters/SVGFilter.h"
 
 namespace blink {
 
-SVGFilter::SVGFilter(const IntRect& absoluteSourceDrawingRegion, const FloatRect& targetBoundingBox, const FloatRect& filterRegion, bool effectBBoxMode)
-    : Filter(targetBoundingBox, filterRegion, 1.0f)
+SVGFilter::SVGFilter(const IntRect& absoluteSourceDrawingRegion, const FloatRect& referenceBox, const FloatRect& filterRegion, bool effectBBoxMode)
+    : Filter(referenceBox, filterRegion, 1.0f)
     , m_absoluteSourceDrawingRegion(absoluteSourceDrawingRegion)
     , m_effectBBoxMode(effectBBoxMode)
 {
 }
 
 float SVGFilter::applyHorizontalScale(float value) const
 {
     if (m_effectBBoxMode)
-        value *= targetBoundingBox().width();
+        value *= referenceBox().width();
     return Filter::applyHorizontalScale(value);
 }
 
 float SVGFilter::applyVerticalScale(float value) const
 {
     if (m_effectBBoxMode)
-        value *= targetBoundingBox().height();
+        value *= referenceBox().height();
     return Filter::applyVerticalScale(value);
 }
 
 FloatPoint3D SVGFilter::resolve3dPoint(const FloatPoint3D& point) const
 {
     if (!m_effectBBoxMode)
         return point;
-    return FloatPoint3D(point.x() * targetBoundingBox().width() + targetBoundingBox().x(),
-        point.y() * targetBoundingBox().height() + targetBoundingBox().y(),
-        point.z() * sqrtf(targetBoundingBox().size().diagonalLengthSquared() / 2));
+    return FloatPoint3D(point.x() * referenceBox().width() + referenceBox().x(),
+        point.y() * referenceBox().height() + referenceBox().y(),
+        point.z() * sqrtf(referenceBox().size().diagonalLengthSquared() / 2));
 }
 
-PassRefPtrWillBeRawPtr<SVGFilter> SVGFilter::create(const IntRect& absoluteSourceDrawingRegion, const FloatRect& targetBoundingBox, const FloatRect& filterRegion, bool effectBBoxMode)
+PassRefPtrWillBeRawPtr<SVGFilter> SVGFilter::create(const IntRect& absoluteSourceDrawingRegion, const FloatRect& referenceBox, const FloatRect& filterRegion, bool effectBBoxMode)
 {
-    return adoptRefWillBeNoop(new SVGFilter(absoluteSourceDrawingRegion, targetBoundingBox, filterRegion, effectBBoxMode));
+    return adoptRefWillBeNoop(new SVGFilter(absoluteSourceDrawingRegion, referenceBox, filterRegion, effectBBoxMode));
 }
 
 } // namespace blink