Store [-webkit-]perspective-origin as a LengthPoint.

Source/core/rendering/style/RenderStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 41 matching lines @@
 #include "core/rendering/style/StyleMultiColData.h"
 #include "core/rendering/style/StyleRareInheritedData.h"
 #include "core/rendering/style/StyleRareNonInheritedData.h"
 #include "core/rendering/style/StyleReflection.h"
 #include "core/rendering/style/StyleSurroundData.h"
 #include "core/rendering/style/StyleTransformData.h"
 #include "core/rendering/style/StyleVisualData.h"
 #include "core/rendering/style/StyleWillChangeData.h"
 #include "platform/Length.h"
 #include "platform/LengthBox.h"
+#include "platform/LengthPoint.h"
 #include "platform/LengthSize.h"
 #include "platform/ThemeTypes.h"
 #include "platform/fonts/FontBaseline.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/geometry/FloatRoundedRect.h"
 #include "platform/geometry/LayoutBoxExtent.h"
 #include "platform/geometry/RoundedRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/scroll/ScrollableArea.h"
@@ skipping 835 matching lines @@
 
     CSSAnimationData& accessAnimations();
     CSSTransitionData& accessTransitions();
 
     ETransformStyle3D transformStyle3D() const { return static_cast<ETransformStyle3D>(rareNonInheritedData->m_transformStyle3D); }
     bool preserves3D() const { return rareNonInheritedData->m_transformStyle3D == TransformStyle3DPreserve3D; }
 
     EBackfaceVisibility backfaceVisibility() const { return static_cast<EBackfaceVisibility>(rareNonInheritedData->m_backfaceVisibility); }
     float perspective() const { return rareNonInheritedData->m_perspective; }
     bool hasPerspective() const { return rareNonInheritedData->m_perspective > 0; }
-    const Length& perspectiveOriginX() const { return rareNonInheritedData->m_perspectiveOriginX; }
-    const Length& perspectiveOriginY() const { return rareNonInheritedData->m_perspectiveOriginY; }
+    const LengthPoint& perspectiveOrigin() const { return rareNonInheritedData->m_perspectiveOrigin; }
+    const Length& perspectiveOriginX() const { return perspectiveOrigin().x(); }
+    const Length& perspectiveOriginY() const { return perspectiveOrigin().y(); }
     const LengthSize& pageSize() const { return rareNonInheritedData->m_pageSize; }
     PageSizeType pageSizeType() const { return static_cast<PageSizeType>(rareNonInheritedData->m_pageSizeType); }
 
     bool hasCurrentOpacityAnimation() const { return rareNonInheritedData->m_hasCurrentOpacityAnimation; }
     bool hasCurrentTransformAnimation() const { return rareNonInheritedData->m_hasCurrentTransformAnimation; }
     bool hasCurrentFilterAnimation() const { return rareNonInheritedData->m_hasCurrentFilterAnimation; }
     bool shouldCompositeForCurrentAnimations() { return hasCurrentOpacityAnimation() || hasCurrentTransformAnimation() || hasCurrentFilterAnimation(); }
 
     bool isRunningOpacityAnimationOnCompositor() const { return rareNonInheritedData->m_runningOpacityAnimationOnCompositor; }
     bool isRunningTransformAnimationOnCompositor() const { return rareNonInheritedData->m_runningTransformAnimationOnCompositor; }
@@ skipping 447 matching lines @@
     }
 
     void clearTransitions()
     {
         rareNonInheritedData.access()->m_transitions.clear();
     }
 
     void setTransformStyle3D(ETransformStyle3D b) { SET_VAR(rareNonInheritedData, m_transformStyle3D, b); }
     void setBackfaceVisibility(EBackfaceVisibility b) { SET_VAR(rareNonInheritedData, m_backfaceVisibility, b); }
     void setPerspective(float p) { SET_VAR(rareNonInheritedData, m_perspective, p); }
-    void setPerspectiveOriginX(const Length& l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginX, l); }
-    void setPerspectiveOriginY(const Length& l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginY, l); }
+    void setPerspectiveOriginX(const Length& v) { setPerspectiveOrigin(LengthPoint(v, perspectiveOriginY())); }
+    void setPerspectiveOriginY(const Length& v) { setPerspectiveOrigin(LengthPoint(perspectiveOriginX(), v)); }
+    void setPerspectiveOrigin(const LengthPoint& p) { SET_VAR(rareNonInheritedData, m_perspectiveOrigin, p); }
     void setPageSize(const LengthSize& s) { SET_VAR(rareNonInheritedData, m_pageSize, s); }
     void setPageSizeType(PageSizeType t) { SET_VAR(rareNonInheritedData, m_pageSizeType, t); }
     void resetPageSizeType() { SET_VAR(rareNonInheritedData, m_pageSizeType, PAGE_SIZE_AUTO); }
 
     void setHasCurrentOpacityAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_hasCurrentOpacityAnimation, b); }
     void setHasCurrentTransformAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_hasCurrentTransformAnimation, b); }
     void setHasCurrentFilterAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_hasCurrentFilterAnimation, b); }
 
     void setIsRunningOpacityAnimationOnCompositor(bool b = true) { SET_VAR(rareNonInheritedData, m_runningOpacityAnimationOnCompositor, b); }
     void setIsRunningTransformAnimationOnCompositor(bool b = true) { SET_VAR(rareNonInheritedData, m_runningTransformAnimationOnCompositor, b); }
@@ skipping 261 matching lines @@
     static const TransformOperations& initialTransform() { DEFINE_STATIC_LOCAL(TransformOperations, ops, ()); return ops; }
     static Length initialTransformOriginX() { return Length(50.0, Percent); }
     static Length initialTransformOriginY() { return Length(50.0, Percent); }
     static EPointerEvents initialPointerEvents() { return PE_AUTO; }
     static float initialTransformOriginZ() { return 0; }
     static ETransformStyle3D initialTransformStyle3D() { return TransformStyle3DFlat; }
     static EBackfaceVisibility initialBackfaceVisibility() { return BackfaceVisibilityVisible; }
     static float initialPerspective() { return 0; }
     static Length initialPerspectiveOriginX() { return Length(50.0, Percent); }
     static Length initialPerspectiveOriginY() { return Length(50.0, Percent); }
+    static LengthPoint initialPerspectiveOrigin() { return LengthPoint(Length(50.0, Percent), Length(50.0, Percent)); }
     static Color initialBackgroundColor() { return Color::transparent; }
     static TextEmphasisFill initialTextEmphasisFill() { return TextEmphasisFillFilled; }
     static TextEmphasisMark initialTextEmphasisMark() { return TextEmphasisMarkNone; }
     static const AtomicString& initialTextEmphasisCustomMark() { return nullAtom; }
     static TextEmphasisPosition initialTextEmphasisPosition() { return TextEmphasisPositionOver; }
     static RubyPosition initialRubyPosition() { return RubyPositionBefore; }
     static LineBoxContain initialLineBoxContain() { return LineBoxContainBlock | LineBoxContainInline | LineBoxContainReplaced; }
     static ImageOrientationEnum initialImageOrientation() { return OriginTopLeft; }
     static EImageRendering initialImageRendering() { return ImageRenderingAuto; }
     static ImageResolutionSource initialImageResolutionSource() { return ImageResolutionSpecified; }
@@ skipping 243 matching lines @@
 inline bool RenderStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 float calcBorderRadiiConstraintScaleFor(const FloatRect&, const FloatRoundedRect::Radii&);
 
 } // namespace blink
 
 #endif // RenderStyle_h