Merge SVGFilter into Filter

Source/platform/graphics/filters/Filter.h

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * 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,
@@ skipping 15 matching lines @@
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/heap/Handle.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class SourceGraphic;
 class FilterEffect;
 
-class PLATFORM_EXPORT Filter : public RefCountedWillBeGarbageCollectedFinalized<Filter> {
+class PLATFORM_EXPORT Filter final : public RefCountedWillBeGarbageCollectedFinalized<Filter> {
 public:
-    static PassRefPtrWillBeRawPtr<Filter> create(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale)
-    {
-        return adoptRefWillBeNoop(new Filter(referenceBox, filterRegion, scale));
-    }
+    enum UnitScaling {
+        UserSpace,
+        BoundingBox
+    };
 
-    static PassRefPtrWillBeRawPtr<Filter> create(float scale)
-    {
-        return adoptRefWillBeNoop(new Filter(FloatRect(), FloatRect(), scale));
-    }
+    static PassRefPtrWillBeRawPtr<Filter> create(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale, UnitScaling = UserSpace);
+    static PassRefPtrWillBeRawPtr<Filter> create(float scale);
 
-    virtual ~Filter();
-    DECLARE_VIRTUAL_TRACE();
+    ~Filter();
+    DECLARE_TRACE();
 
     float scale() const { return m_scale; }
     FloatRect mapLocalRectToAbsoluteRect(const FloatRect&) const;
     FloatRect mapAbsoluteRectToLocalRect(const FloatRect&) const;
 
-    virtual float applyHorizontalScale(float value) const { return m_scale * value; }
-    virtual float applyVerticalScale(float value) const { return m_scale * value; }
+    float applyHorizontalScale(float value) const;
+    float applyVerticalScale(float value) const;
 
-    virtual FloatPoint3D resolve3dPoint(const FloatPoint3D& point) const { return point; }
+    FloatPoint3D resolve3dPoint(const FloatPoint3D&) const;
 
     FloatRect absoluteFilterRegion() const { return mapLocalRectToAbsoluteRect(m_filterRegion); }
 
     const FloatRect& filterRegion() const { return m_filterRegion; }
     const FloatRect& referenceBox() const { return m_referenceBox; }
 
     void setLastEffect(PassRefPtrWillBeRawPtr<FilterEffect>);
     FilterEffect* lastEffect() const { return m_lastEffect.get(); }
 
     SourceGraphic* sourceGraphic() const { return m_sourceGraphic.get(); }
 
-protected:
-    Filter(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale);
+private:
+    Filter(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale, UnitScaling);
 
-private:
     FloatRect m_referenceBox;
     FloatRect m_filterRegion;
     float m_scale;
+    UnitScaling m_unitScaling;
 
     RefPtrWillBeMember<SourceGraphic> m_sourceGraphic;
     RefPtrWillBeMember<FilterEffect> m_lastEffect;
 };
 
 } // namespace blink
 
 #endif // Filter_h