text: /*
   * 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
   * 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 ComputedStyle_h
  #define ComputedStyle_h
  
  #include "core/CSSPropertyNames.h"
  #include "core/CoreExport.h"
  #include "core/animation/css/CSSAnimationData.h"
  #include "core/animation/css/CSSTransitionData.h"
  #include "core/css/CSSLineBoxContainValue.h"
  #include "core/css/CSSPrimitiveValue.h"
  #include "core/style/BorderValue.h"
  #include "core/style/CounterDirectives.h"
  #include "core/style/DataRef.h"
  #include "core/style/ComputedStyleConstants.h"
  #include "core/style/LineClampValue.h"
  #include "core/style/NinePieceImage.h"
  #include "core/style/OutlineValue.h"
  #include "core/style/SVGComputedStyle.h"
  #include "core/style/ShapeValue.h"
  #include "core/style/StyleBackgroundData.h"
  #include "core/style/StyleBoxData.h"
  #include "core/style/StyleContentAlignmentData.h"
  #include "core/style/StyleDeprecatedFlexibleBoxData.h"
  #include "core/style/StyleDifference.h"
  #include "core/style/StyleFilterData.h"
  #include "core/style/StyleFlexibleBoxData.h"
  #include "core/style/StyleGridData.h"
  #include "core/style/StyleGridItemData.h"
  #include "core/style/StyleInheritedData.h"
  #include "core/style/StyleMotionPath.h"
  #include "core/style/StyleMultiColData.h"
  #include "core/style/StyleRareInheritedData.h"
  #include "core/style/StyleRareNonInheritedData.h"
  #include "core/style/StyleReflection.h"
  #include "core/style/StyleScrollSnapData.h"
  #include "core/style/StyleSelfAlignmentData.h"
  #include "core/style/StyleSurroundData.h"
  #include "core/style/StyleTransformData.h"
  #include "core/style/StyleVisualData.h"
  #include "core/style/StyleWillChangeData.h"
  #include "core/style/TransformOrigin.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/LayoutRectOutsets.h"
  #include "platform/graphics/Color.h"
  #include "platform/graphics/GraphicsTypes.h"
  #include "platform/scroll/ScrollableArea.h"
  #include "platform/text/TextDirection.h"
  #include "platform/text/TextRun.h"
  #include "platform/text/UnicodeBidi.h"
  #include "platform/transforms/TransformOperations.h"
  #include "public/platform/WebScrollBlocksOn.h"
  #include "wtf/Forward.h"
  #include "wtf/OwnPtr.h"
  #include "wtf/RefCounted.h"
  #include "wtf/StdLibExtras.h"
  #include "wtf/Vector.h"
  
  template<typename T, typename U> inline bool compareEqual(const T& t, const U& u) { return t == static_cast<T>(u); }
  
  #define SET_VAR(group, variable, value) \
      if (!compareEqual(group->variable, value)) \
          group.access()->variable = value
  
  #define SET_VAR_WITH_SETTER(group, getter, setter, value)    \
      if (!compareEqual(group->getter(), value)) \
          group.access()->setter(value)
  
  #define SET_BORDERVALUE_COLOR(group, variable, value) \
      if (!compareEqual(group->variable.color(), value)) \
          group.access()->variable.setColor(value)
  
  namespace blink {
  
  using std::max;
  
  class FilterOperations;
  
  class AppliedTextDecoration;
  class BorderData;
  struct BorderEdge;
  class CounterContent;
  class Font;
  class FontMetrics;
  class RotateTransformOperation;
  class ScaleTransformOperation;
  class ShadowList;
  class StyleImage;
  class StyleInheritedData;
  class StyleResolver;
  class TransformationMatrix;
  class TranslateTransformOperation;
  
  class ContentData;
  
  typedef Vector<RefPtr<ComputedStyle>, 4> PseudoStyleCache;
  
  class CORE_EXPORT ComputedStyle: public RefCounted<ComputedStyle> {
      friend class AnimatedStyleBuilder; // Used by Web Animations CSS. Sets the color styles
      friend class CSSAnimatableValueFactory; // Used by Web Animations CSS. Gets visited and unvisited colors separately.
      friend class CSSPropertyEquality; // Used by CSS animations. We can't allow them to animate based off visited colors.
      friend class ApplyStyleCommand; // Editing has to only reveal unvisited info.
      friend class EditingStyle; // Editing has to only reveal unvisited info.
      friend class ComputedStyleCSSValueMapping; // Needs to be able to see visited and unvisited colors for devtools.
      friend class StyleBuilderFunctions; // Sets color styles
      friend class CachedUAStyle; // Saves Border/Background information for later comparison.
  
      // FIXME: When we stop resolving currentColor at style time, these can be removed.
      friend class CSSToStyleMap;
      friend class FilterOperationResolver;
      friend class StyleBuilderConverter;
      friend class StyleResolverState;
      friend class StyleResolver;
  protected:
  
      // non-inherited attributes
      DataRef<StyleBoxData> m_box;
      DataRef<StyleVisualData> visual;
      DataRef<StyleBackgroundData> m_background;
      DataRef<StyleSurroundData> surround;
      DataRef<StyleRareNonInheritedData> rareNonInheritedData;
  
      // inherited attributes
      DataRef<StyleRareInheritedData> rareInheritedData;
      DataRef<StyleInheritedData> inherited;
  
      // list of associated pseudo styles
      OwnPtr<PseudoStyleCache> m_cachedPseudoStyles;
  
      DataRef<SVGComputedStyle> m_svgStyle;
  
  // !START SYNC!: Keep this in sync with the copy constructor in ComputedStyle.cpp and implicitlyInherited() in StyleResolver.cpp
  
      // inherit
      struct InheritedFlags {
          bool operator==(const InheritedFlags& other) const
          {
              return (_empty_cells == other._empty_cells)
                  && (_caption_side == other._caption_side)
                  && (_list_style_type == other._list_style_type)
                  && (_list_style_position == other._list_style_position)
                  && (_visibility == other._visibility)
                  && (_text_align == other._text_align)
                  && (_text_transform == other._text_transform)
                  && (m_textUnderline == other.m_textUnderline)
                  && (_cursor_style == other._cursor_style)
                  && (_direction == other._direction)
                  && (_white_space == other._white_space)
                  && (_border_collapse == other._border_collapse)
                  && (_box_direction == other._box_direction)
                  && (m_rtlOrdering == other.m_rtlOrdering)
                  && (m_printColorAdjust == other.m_printColorAdjust)
                  && (_pointerEvents == other._pointerEvents)
                  && (_insideLink == other._insideLink)
                  && (m_writingMode == other.m_writingMode);
          }
  
          bool operator!=(const InheritedFlags& other) const { return !(*this == other); }
  
          unsigned _empty_cells : 1; // EEmptyCell
          unsigned _caption_side : 2; // ECaptionSide
          unsigned _list_style_type : 7; // EListStyleType
          unsigned _list_style_position : 1; // EListStylePosition
          unsigned _visibility : 2; // EVisibility
          unsigned _text_align : 4; // ETextAlign
          unsigned _text_transform : 2; // ETextTransform
          unsigned m_textUnderline : 1;
          unsigned _cursor_style : 6; // ECursor
          unsigned _direction : 1; // TextDirection
          unsigned _white_space : 3; // EWhiteSpace
          unsigned _border_collapse : 1; // EBorderCollapse
          unsigned _box_direction : 1; // EBoxDirection (CSS3 box_direction property, flexible box layout module)
          // 32 bits
  
          // non CSS2 inherited
          unsigned m_rtlOrdering : 1; // Order
          unsigned m_printColorAdjust : PrintColorAdjustBits;
          unsigned _pointerEvents : 4; // EPointerEvents
          unsigned _insideLink : 2; // EInsideLink
  
          // CSS Text Layout Module Level 3: Vertical writing support
          unsigned m_writingMode : 2; // WritingMode
          // 42 bits
      } inherited_flags;
  
  // don't inherit
      struct NonInheritedFlags {
          // Compare computed styles, differences in other flags should not cause an inequality.
          bool operator==(const NonInheritedFlags& other) const
          {
              return effectiveDisplay == other.effectiveDisplay
                  && originalDisplay == other.originalDisplay
                  && overflowX == other.overflowX
                  && overflowY == other.overflowY
                  && verticalAlign == other.verticalAlign
                  && clear == other.clear
                  && position == other.position
                  && floating == other.floating
                  && tableLayout == other.tableLayout
                  && unicodeBidi == other.unicodeBidi
                  // hasViewportUnits
                  && pageBreakBefore == other.pageBreakBefore
                  && pageBreakAfter == other.pageBreakAfter
                  && pageBreakInside == other.pageBreakInside;
                  // styleType
                  // pseudoBits
                  // explicitInheritance
                  // unique
                  // emptyState
                  // affectedByFocus
                  // affectedByHover
                  // affectedByActive
                  // affectedByDrag
                  // isLink
          }
  
          bool operator!=(const NonInheritedFlags& other) const { return !(*this == other); }
  
          unsigned effectiveDisplay : 5; // EDisplay
          unsigned originalDisplay : 5; // EDisplay
          unsigned overflowX : 3; // EOverflow
          unsigned overflowY : 3; // EOverflow
          unsigned verticalAlign : 4; // EVerticalAlign
          unsigned clear : 2; // EClear
          unsigned position : 3; // EPosition
          unsigned floating : 2; // EFloat
          unsigned tableLayout : 1; // ETableLayout
          unsigned unicodeBidi : 3; // EUnicodeBidi
  
          // This is set if we used viewport units when resolving a length.
          // It is mutable so we can pass around const ComputedStyles to resolve lengths.
          mutable unsigned hasViewportUnits : 1;
  
          // 32 bits
  
          unsigned pageBreakBefore : 2; // EPageBreak
          unsigned pageBreakAfter : 2; // EPageBreak
          unsigned pageBreakInside : 2; // EPageBreak
  
          unsigned styleType : 6; // PseudoId
          unsigned pseudoBits : 8;
          unsigned explicitInheritance : 1; // Explicitly inherits a non-inherited property
          unsigned unique : 1; // Style can not be shared.
  
          unsigned emptyState : 1;
  
          unsigned affectedByFocus : 1;
          unsigned affectedByHover : 1;
          unsigned affectedByActive : 1;
          unsigned affectedByDrag : 1;
  
          unsigned isLink : 1;
          // If you add more style bits here, you will also need to update ComputedStyle::copyNonInheritedFromCached()
          // 62 bits
      } noninherited_flags;
  
  // !END SYNC!
  
  protected:
      void setBitDefaults()
      {
          inherited_flags._empty_cells = initialEmptyCells();
          inherited_flags._caption_side = initialCaptionSide();
          inherited_flags._list_style_type = initialListStyleType();
          inherited_flags._list_style_position = initialListStylePosition();
          inherited_flags._visibility = initialVisibility();
          inherited_flags._text_align = initialTextAlign();
          inherited_flags._text_transform = initialTextTransform();
          inherited_flags.m_textUnderline = false;
          inherited_flags._cursor_style = initialCursor();
          inherited_flags._direction = initialDirection();
          inherited_flags._white_space = initialWhiteSpace();
          inherited_flags._border_collapse = initialBorderCollapse();
          inherited_flags.m_rtlOrdering = initialRTLOrdering();
          inherited_flags._box_direction = initialBoxDirection();
          inherited_flags.m_printColorAdjust = initialPrintColorAdjust();
          inherited_flags._pointerEvents = initialPointerEvents();
          inherited_flags._insideLink = NotInsideLink;
          inherited_flags.m_writingMode = initialWritingMode();
  
          noninherited_flags.effectiveDisplay = noninherited_flags.originalDisplay = initialDisplay();
          noninherited_flags.overflowX = initialOverflowX();
          noninherited_flags.overflowY = initialOverflowY();
          noninherited_flags.verticalAlign = initialVerticalAlign();
          noninherited_flags.clear = initialClear();
          noninherited_flags.position = initialPosition();
          noninherited_flags.floating = initialFloating();
          noninherited_flags.tableLayout = initialTableLayout();
          noninherited_flags.unicodeBidi = initialUnicodeBidi();
          noninherited_flags.pageBreakBefore = initialPageBreak();
          noninherited_flags.pageBreakAfter = initialPageBreak();
          noninherited_flags.pageBreakInside = initialPageBreak();
          noninherited_flags.styleType = NOPSEUDO;
          noninherited_flags.pseudoBits = 0;
          noninherited_flags.explicitInheritance = false;
          noninherited_flags.unique = false;
          noninherited_flags.emptyState = false;
          noninherited_flags.hasViewportUnits = false;
          noninherited_flags.affectedByFocus = false;
          noninherited_flags.affectedByHover = false;
          noninherited_flags.affectedByActive = false;
          noninherited_flags.affectedByDrag = false;
          noninherited_flags.isLink = false;
      }
  
  private:
      ALWAYS_INLINE ComputedStyle();
  
      enum InitialStyleTag {
          InitialStyle
      };
      ALWAYS_INLINE explicit ComputedStyle(InitialStyleTag);
      ALWAYS_INLINE ComputedStyle(const ComputedStyle&);
  
      static PassRefPtr<ComputedStyle> createInitialStyle();
      static inline ComputedStyle* initialStyle()
      {
          DEFINE_STATIC_REF(ComputedStyle, s_initialStyle, (ComputedStyle::createInitialStyle()));
          return s_initialStyle;
      }
  
  public:
      static PassRefPtr<ComputedStyle> create();
      static PassRefPtr<ComputedStyle> createAnonymousStyleWithDisplay(const ComputedStyle& parentStyle, EDisplay);
      static PassRefPtr<ComputedStyle> clone(const ComputedStyle&);
  
      // Computes how the style change should be propagated down the tree.
      static StyleRecalcChange stylePropagationDiff(const ComputedStyle* oldStyle, const ComputedStyle* newStyle);
  
      static ItemPosition resolveAlignment(const ComputedStyle& parentStyle, const ComputedStyle& childStyle, ItemPosition resolvedAutoPositionForLayoutObject);
      static ItemPosition resolveJustification(const ComputedStyle& parentStyle, const ComputedStyle& childStyle, ItemPosition resolvedAutoPositionForLayoutObject);
  
      StyleDifference visualInvalidationDiff(const ComputedStyle&) const;
  
      enum IsAtShadowBoundary {
          AtShadowBoundary,
          NotAtShadowBoundary,
      };
  
      void inheritFrom(const ComputedStyle& inheritParent, IsAtShadowBoundary = NotAtShadowBoundary);
      void copyNonInheritedFromCached(const ComputedStyle&);
  
      PseudoId styleType() const { return static_cast<PseudoId>(noninherited_flags.styleType); }
      void setStyleType(PseudoId styleType) { noninherited_flags.styleType = styleType; }
  
      ComputedStyle* getCachedPseudoStyle(PseudoId) const;
      ComputedStyle* addCachedPseudoStyle(PassRefPtr<ComputedStyle>);
      void removeCachedPseudoStyle(PseudoId);
  
      const PseudoStyleCache* cachedPseudoStyles() const { return m_cachedPseudoStyles.get(); }
  
      void setHasViewportUnits(bool hasViewportUnits = true) const { noninherited_flags.hasViewportUnits = hasViewportUnits; }
      bool hasViewportUnits() const { return noninherited_flags.hasViewportUnits; }
  
      bool affectedByFocus() const { return noninherited_flags.affectedByFocus; }
      bool affectedByHover() const { return noninherited_flags.affectedByHover; }
      bool affectedByActive() const { return noninherited_flags.affectedByActive; }
      bool affectedByDrag() const { return noninherited_flags.affectedByDrag; }
  
      void setAffectedByFocus() { noninherited_flags.affectedByFocus = true; }
      void setAffectedByHover() { noninherited_flags.affectedByHover = true; }
      void setAffectedByActive() { noninherited_flags.affectedByActive = true; }
      void setAffectedByDrag() { noninherited_flags.affectedByDrag = true; }
  
      bool operator==(const ComputedStyle& other) const;
      bool operator!=(const ComputedStyle& other) const { return !(*this == other); }
      bool isFloating() const { return noninherited_flags.floating != NoFloat; }
      bool hasMargin() const { return surround->margin.nonZero(); }
      bool hasBorderFill() const { return surround->border.hasBorderFill(); }
      bool hasBorder() const { return surround->border.hasBorder(); }
      bool hasBorderDecoration() const { return hasBorder() || hasBorderFill(); }
      bool hasPadding() const { return surround->padding.nonZero(); }
      bool hasMarginBeforeQuirk() const { return marginBefore().quirk(); }
      bool hasMarginAfterQuirk() const { return marginAfter().quirk(); }
  
      bool hasBackgroundImage() const { return m_background->background().hasImage(); }
      bool hasFixedBackgroundImage() const { return m_background->background().hasFixedImage(); }
  
      bool hasEntirelyFixedBackground() const;
  
      bool hasAppearance() const { return appearance() != NoControlPart; }
  
      bool hasBackground() const
      {
          Color color = visitedDependentColor(CSSPropertyBackgroundColor);
          if (color.alpha())
              return true;
          return hasBackgroundImage();
      }
  
      LayoutRectOutsets imageOutsets(const NinePieceImage&) const;
      bool hasBorderImageOutsets() const
      {
          return borderImage().hasImage() && borderImage().outset().nonZero();
      }
      LayoutRectOutsets borderImageOutsets() const
      {
          return imageOutsets(borderImage());
      }
  
      bool hasFilterOutsets() const { return hasFilter() && filter().hasOutsets(); }
      FilterOutsets filterOutsets() const { return hasFilter() ? filter().outsets() : FilterOutsets(); }
  
      Order rtlOrdering() const { return static_cast<Order>(inherited_flags.m_rtlOrdering); }
      void setRTLOrdering(Order o) { inherited_flags.m_rtlOrdering = o; }
  
      bool isStyleAvailable() const;
  
      bool hasAnyPublicPseudoStyles() const;
      bool hasPseudoStyle(PseudoId) const;
      void setHasPseudoStyle(PseudoId);
      bool hasUniquePseudoStyle() const;
      bool hasPseudoElementStyle() const;
  
      // attribute getter methods
  
      EDisplay display() const { return static_cast<EDisplay>(noninherited_flags.effectiveDisplay); }
      EDisplay originalDisplay() const { return static_cast<EDisplay>(noninherited_flags.originalDisplay); }
  
      const Length& left() const { return surround->offset.left(); }
      const Length& right() const { return surround->offset.right(); }
      const Length& top() const { return surround->offset.top(); }
      const Length& bottom() const { return surround->offset.bottom(); }
  
      // Accessors for positioned object edges that take into account writing mode.
      const Length& logicalLeft() const { return surround->offset.logicalLeft(writingMode()); }
      const Length& logicalRight() const { return surround->offset.logicalRight(writingMode()); }
      const Length& logicalTop() const { return surround->offset.before(writingMode()); }
      const Length& logicalBottom() const { return surround->offset.after(writingMode()); }
  
      // Whether or not a positioned element requires normal flow x/y to be computed
      // to determine its position.
      bool hasAutoLeftAndRight() const { return left().isAuto() && right().isAuto(); }
      bool hasAutoTopAndBottom() const { return top().isAuto() && bottom().isAuto(); }
      bool hasStaticInlinePosition(bool horizontal) const { return horizontal ? hasAutoLeftAndRight() : hasAutoTopAndBottom(); }
      bool hasStaticBlockPosition(bool horizontal) const { return horizontal ? hasAutoTopAndBottom() : hasAutoLeftAndRight(); }
  
      EPosition position() const { return static_cast<EPosition>(noninherited_flags.position); }
      bool hasOutOfFlowPosition() const { return position() == AbsolutePosition || position() == FixedPosition; }
      bool hasInFlowPosition() const { return position() == RelativePosition; }
      bool hasViewportConstrainedPosition() const { return position() == FixedPosition; }
      EFloat floating() const { return static_cast<EFloat>(noninherited_flags.floating); }
  
      const Length& width() const { return m_box->width(); }
      const Length& height() const { return m_box->height(); }
      const Length& minWidth() const { return m_box->minWidth(); }
      const Length& maxWidth() const { return m_box->maxWidth(); }
      const Length& minHeight() const { return m_box->minHeight(); }
      const Length& maxHeight() const { return m_box->maxHeight(); }
  
      const Length& logicalWidth() const { return isHorizontalWritingMode() ? width() : height(); }
      const Length& logicalHeight() const { return isHorizontalWritingMode() ? height() : width(); }
      const Length& logicalMinWidth() const { return isHorizontalWritingMode() ? minWidth() : minHeight(); }
      const Length& logicalMaxWidth() const { return isHorizontalWritingMode() ? maxWidth() : maxHeight(); }
      const Length& logicalMinHeight() const { return isHorizontalWritingMode() ? minHeight() : minWidth(); }
      const Length& logicalMaxHeight() const { return isHorizontalWritingMode() ? maxHeight() : maxWidth(); }
  
      const BorderData& border() const { return surround->border; }
      const BorderValue& borderLeft() const { return surround->border.left(); }
      const BorderValue& borderRight() const { return surround->border.right(); }
      const BorderValue& borderTop() const { return surround->border.top(); }
      const BorderValue& borderBottom() const { return surround->border.bottom(); }
  
      const BorderValue& borderBefore() const;
      const BorderValue& borderAfter() const;
      const BorderValue& borderStart() const;
      const BorderValue& borderEnd() const;
  
      const NinePieceImage& borderImage() const { return surround->border.image(); }
      StyleImage* borderImageSource() const { return surround->border.image().image(); }
      const LengthBox& borderImageSlices() const { return surround->border.image().imageSlices(); }
      bool borderImageSlicesFill() const { return surround->border.image().fill(); }
      const BorderImageLengthBox& borderImageWidth() const { return surround->border.image().borderSlices(); }
      const BorderImageLengthBox& borderImageOutset() const { return surround->border.image().outset(); }
  
      const LengthSize& borderTopLeftRadius() const { return surround->border.topLeft(); }
      const LengthSize& borderTopRightRadius() const { return surround->border.topRight(); }
      const LengthSize& borderBottomLeftRadius() const { return surround->border.bottomLeft(); }
      const LengthSize& borderBottomRightRadius() const { return surround->border.bottomRight(); }
      bool hasBorderRadius() const { return surround->border.hasBorderRadius(); }
  
      int borderLeftWidth() const { return surround->border.borderLeftWidth(); }
      EBorderStyle borderLeftStyle() const { return surround->border.left().style(); }
      int borderRightWidth() const { return surround->border.borderRightWidth(); }
      EBorderStyle borderRightStyle() const { return surround->border.right().style(); }
      int borderTopWidth() const { return surround->border.borderTopWidth(); }
      EBorderStyle borderTopStyle() const { return surround->border.top().style(); }
      int borderBottomWidth() const { return surround->border.borderBottomWidth(); }
      EBorderStyle borderBottomStyle() const { return surround->border.bottom().style(); }
  
      int borderBeforeWidth() const;
      int borderAfterWidth() const;
      int borderStartWidth() const;
      int borderEndWidth() const;
  
      int outlineSize() const { return max(0, outlineWidth() + outlineOffset()); }
      int outlineWidth() const
      {
          if (m_background->outline().style() == BNONE)
              return 0;
          return m_background->outline().width();
      }
      bool hasOutline() const { return outlineWidth() > 0 && outlineStyle() > BHIDDEN; }
      EBorderStyle outlineStyle() const { return m_background->outline().style(); }
      OutlineIsAuto outlineStyleIsAuto() const { return static_cast<OutlineIsAuto>(m_background->outline().isAuto()); }
      int outlineOutset() const;
  
      EOverflow overflowX() const { return static_cast<EOverflow>(noninherited_flags.overflowX); }
      EOverflow overflowY() const { return static_cast<EOverflow>(noninherited_flags.overflowY); }
      // It's sufficient to just check one direction, since it's illegal to have visible on only one overflow value.
      bool isOverflowVisible() const { ASSERT(overflowX() != OVISIBLE || overflowX() == overflowY()); return overflowX() == OVISIBLE; }
      bool isOverflowPaged() const { return overflowY() == OPAGEDX || overflowY() == OPAGEDY; }
  
      EVisibility visibility() const { return static_cast<EVisibility>(inherited_flags._visibility); }
      EVerticalAlign verticalAlign() const { return static_cast<EVerticalAlign>(noninherited_flags.verticalAlign); }
      const Length& verticalAlignLength() const { return m_box->verticalAlign(); }
  
      const Length& clipLeft() const { return visual->clip.left(); }
      const Length& clipRight() const { return visual->clip.right(); }
      const Length& clipTop() const { return visual->clip.top(); }
      const Length& clipBottom() const { return visual->clip.bottom(); }
      const LengthBox& clip() const { return visual->clip; }
      bool hasAutoClip() const { return visual->hasAutoClip; }
  
      EUnicodeBidi unicodeBidi() const { return static_cast<EUnicodeBidi>(noninherited_flags.unicodeBidi); }
  
      EClear clear() const { return static_cast<EClear>(noninherited_flags.clear); }
      ETableLayout tableLayout() const { return static_cast<ETableLayout>(noninherited_flags.tableLayout); }
      bool isFixedTableLayout() const { return tableLayout() == TFIXED && !logicalWidth().isAuto(); }
  
      const Font& font() const;
      const FontMetrics& fontMetrics() const;
      const FontDescription& fontDescription() const;
      float specifiedFontSize() const;
      float computedFontSize() const;
      int fontSize() const;
      float fontSizeAdjust() const;
      bool hasFontSizeAdjust() const;
      FontWeight fontWeight() const;
      FontStretch fontStretch() const;
  
      float textAutosizingMultiplier() const { return inherited->textAutosizingMultiplier; }
  
      const Length& textIndent() const { return rareInheritedData->indent; }
      TextIndentLine textIndentLine() const { return static_cast<TextIndentLine>(rareInheritedData->m_textIndentLine); }
      TextIndentType textIndentType() const { return static_cast<TextIndentType>(rareInheritedData->m_textIndentType); }
      ETextAlign textAlign() const { return static_cast<ETextAlign>(inherited_flags._text_align); }
      TextAlignLast textAlignLast() const { return static_cast<TextAlignLast>(rareInheritedData->m_textAlignLast); }
      TextJustify textJustify() const { return static_cast<TextJustify>(rareInheritedData->m_textJustify); }
      ETextTransform textTransform() const { return static_cast<ETextTransform>(inherited_flags._text_transform); }
      TextDecoration textDecorationsInEffect() const;
      const Vector<AppliedTextDecoration>& appliedTextDecorations() const;
      TextDecoration textDecoration() const { return static_cast<TextDecoration>(visual->textDecoration); }
      TextUnderlinePosition textUnderlinePosition() const { return static_cast<TextUnderlinePosition>(rareInheritedData->m_textUnderlinePosition); }
      TextDecorationStyle textDecorationStyle() const { return static_cast<TextDecorationStyle>(rareNonInheritedData->m_textDecorationStyle); }
      float wordSpacing() const;
      float letterSpacing() const;
  	StyleVariableData* variables() const;
  	
  	void setVariable(const AtomicString&, PassRefPtr<CSSVariableData>);
  	void removeVariable(const AtomicString&);
  
      float zoom() const { return visual->m_zoom; }
      float effectiveZoom() const { return rareInheritedData->m_effectiveZoom; }
  
      TextDirection direction() const { return static_cast<TextDirection>(inherited_flags._direction); }
      bool isLeftToRightDirection() const { return direction() == LTR; }
      bool selfOrAncestorHasDirAutoAttribute() const { return rareInheritedData->m_selfOrAncestorHasDirAutoAttribute; }
  
      const Length& specifiedLineHeight() const;
      Length lineHeight() const;
      int computedLineHeight() const;
  
      EWhiteSpace whiteSpace() const { return static_cast<EWhiteSpace>(inherited_flags._white_space); }
      static bool autoWrap(EWhiteSpace ws)
      {
          // Nowrap and pre don't automatically wrap.
          return ws != NOWRAP && ws != PRE;
      }
  
      bool autoWrap() const
      {
          return autoWrap(whiteSpace());
      }
  
      static bool preserveNewline(EWhiteSpace ws)
      {
          // Normal and nowrap do not preserve newlines.
          return ws != NORMAL && ws != NOWRAP;
      }
  
      bool preserveNewline() const
      {
          return preserveNewline(whiteSpace());
      }
  
      static bool collapseWhiteSpace(EWhiteSpace ws)
      {
          // Pre and prewrap do not collapse whitespace.
          return ws != PRE && ws != PRE_WRAP;
      }
  
      bool collapseWhiteSpace() const
      {
          return collapseWhiteSpace(whiteSpace());
      }
  
      bool isCollapsibleWhiteSpace(UChar c) const
      {
          switch (c) {
          case ' ':
          case '\t':
              return collapseWhiteSpace();
          case '\n':
              return !preserveNewline();
          }
          return false;
      }
  
      bool breakOnlyAfterWhiteSpace() const
      {
          return whiteSpace() == PRE_WRAP || lineBreak() == LineBreakAfterWhiteSpace;
      }
  
      bool breakWords() const
      {
          return wordBreak() == BreakWordBreak || overflowWrap() == BreakOverflowWrap;
      }
  
      EFillBox backgroundClip() const { return static_cast<EFillBox>(m_background->background().clip()); }
      FillLayer& accessBackgroundLayers() { return m_background.access()->m_background; }
      const FillLayer& backgroundLayers() const { return m_background->background(); }
  
      StyleImage* maskImage() const { return rareNonInheritedData->m_mask.image(); }
      FillLayer& accessMaskLayers() { return rareNonInheritedData.access()->m_mask; }
      const FillLayer& maskLayers() const { return rareNonInheritedData->m_mask; }
  
      const NinePieceImage& maskBoxImage() const { return rareNonInheritedData->m_maskBoxImage; }
      StyleImage* maskBoxImageSource() const { return rareNonInheritedData->m_maskBoxImage.image(); }
      const LengthBox& maskBoxImageSlices() const { return rareNonInheritedData->m_maskBoxImage.imageSlices(); }
      bool maskBoxImageSlicesFill() const { return rareNonInheritedData->m_maskBoxImage.fill(); }
      const BorderImageLengthBox& maskBoxImageWidth() const { return rareNonInheritedData->m_maskBoxImage.borderSlices(); }
      const BorderImageLengthBox& maskBoxImageOutset() const { return rareNonInheritedData->m_maskBoxImage.outset(); }
  
      EBorderCollapse borderCollapse() const { return static_cast<EBorderCollapse>(inherited_flags._border_collapse); }
      short horizontalBorderSpacing() const;
      short verticalBorderSpacing() const;
      EEmptyCell emptyCells() const { return static_cast<EEmptyCell>(inherited_flags._empty_cells); }
      ECaptionSide captionSide() const { return static_cast<ECaptionSide>(inherited_flags._caption_side); }
  
      EListStyleType listStyleType() const { return static_cast<EListStyleType>(inherited_flags._list_style_type); }
      StyleImage* listStyleImage() const;
      EListStylePosition listStylePosition() const { return static_cast<EListStylePosition>(inherited_flags._list_style_position); }
  
      const Length& marginTop() const { return surround->margin.top(); }
      const Length& marginBottom() const { return surround->margin.bottom(); }
      const Length& marginLeft() const { return surround->margin.left(); }
      const Length& marginRight() const { return surround->margin.right(); }
      const Length& marginBefore() const { return surround->margin.before(writingMode()); }
      const Length& marginAfter() const { return surround->margin.after(writingMode()); }
      const Length& marginStart() const { return surround->margin.start(writingMode(), direction()); }
      const Length& marginEnd() const { return surround->margin.end(writingMode(), direction()); }
      const Length& marginStartUsing(const ComputedStyle* otherStyle) const { return surround->margin.start(otherStyle->writingMode(), otherStyle->direction()); }
      const Length& marginEndUsing(const ComputedStyle* otherStyle) const { return surround->margin.end(otherStyle->writingMode(), otherStyle->direction()); }
      const Length& marginBeforeUsing(const ComputedStyle* otherStyle) const { return surround->margin.before(otherStyle->writingMode()); }
      const Length& marginAfterUsing(const ComputedStyle* otherStyle) const { return surround->margin.after(otherStyle->writingMode()); }
  
      const LengthBox& paddingBox() const { return surround->padding; }
      const Length& paddingTop() const { return surround->padding.top(); }
      const Length& paddingBottom() const { return surround->padding.bottom(); }
      const Length& paddingLeft() const { return surround->padding.left(); }
      const Length& paddingRight() const { return surround->padding.right(); }
      const Length& paddingBefore() const { return surround->padding.before(writingMode()); }
      const Length& paddingAfter() const { return surround->padding.after(writingMode()); }
      const Length& paddingStart() const { return surround->padding.start(writingMode(), direction()); }
      const Length& paddingEnd() const { return surround->padding.end(writingMode(), direction()); }
  
      ECursor cursor() const { return static_cast<ECursor>(inherited_flags._cursor_style); }
      CursorList* cursors() const { return rareInheritedData->cursorData.get(); }
  
      EInsideLink insideLink() const { return static_cast<EInsideLink>(inherited_flags._insideLink); }
      bool isLink() const { return noninherited_flags.isLink; }
  
      short widows() const { return rareInheritedData->widows; }
      short orphans() const { return rareInheritedData->orphans; }
      bool hasAutoWidows() const { return rareInheritedData->widows == 1; }
      bool hasAutoOrphans() const { return rareInheritedData->m_hasAutoOrphans; }
      EPageBreak pageBreakInside() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakInside); }
      EPageBreak pageBreakBefore() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakBefore); }
      EPageBreak pageBreakAfter() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakAfter); }
  
      // CSS3 Getter Methods
  
      int outlineOffset() const
      {
          if (m_background->outline().style() == BNONE)
              return 0;
          return m_background->outline().offset();
      }
  
      ShadowList* textShadow() const { return rareInheritedData->textShadow.get(); }
  
      float textStrokeWidth() const { return rareInheritedData->textStrokeWidth; }
      float opacity() const { return rareNonInheritedData->opacity; }
      bool hasOpacity() const { return opacity() < 1.0f; }
      ControlPart appearance() const { return static_cast<ControlPart>(rareNonInheritedData->m_appearance); }
      EBoxAlignment boxAlign() const { return static_cast<EBoxAlignment>(rareNonInheritedData->m_deprecatedFlexibleBox->align); }
      EBoxDirection boxDirection() const { return static_cast<EBoxDirection>(inherited_flags._box_direction); }
      float boxFlex() const { return rareNonInheritedData->m_deprecatedFlexibleBox->flex; }
      unsigned boxFlexGroup() const { return rareNonInheritedData->m_deprecatedFlexibleBox->flexGroup; }
      EBoxLines boxLines() const { return static_cast<EBoxLines>(rareNonInheritedData->m_deprecatedFlexibleBox->lines); }
      unsigned boxOrdinalGroup() const { return rareNonInheritedData->m_deprecatedFlexibleBox->ordinalGroup; }
      EBoxOrient boxOrient() const { return static_cast<EBoxOrient>(rareNonInheritedData->m_deprecatedFlexibleBox->orient); }
      EBoxPack boxPack() const { return static_cast<EBoxPack>(rareNonInheritedData->m_deprecatedFlexibleBox->pack); }
  
      int order() const { return rareNonInheritedData->m_order; }
      const Vector<String>& callbackSelectors() const { return rareNonInheritedData->m_callbackSelectors; }
      float flexGrow() const { return rareNonInheritedData->m_flexibleBox->m_flexGrow; }
      float flexShrink() const { return rareNonInheritedData->m_flexibleBox->m_flexShrink; }
      const Length& flexBasis() const { return rareNonInheritedData->m_flexibleBox->m_flexBasis; }
      const StyleContentAlignmentData& alignContent() const { return rareNonInheritedData->m_alignContent; }
      ContentPosition alignContentPosition() const { return rareNonInheritedData->m_alignContent.position(); }
      ContentDistributionType alignContentDistribution() const { return rareNonInheritedData->m_alignContent.distribution(); }
      OverflowAlignment alignContentOverflowAlignment() const { return rareNonInheritedData->m_alignContent.overflow(); }
      const StyleSelfAlignmentData& alignItems() const { return rareNonInheritedData->m_alignItems; }
      ItemPosition alignItemsPosition() const { return rareNonInheritedData->m_alignItems.position(); }
      OverflowAlignment alignItemsOverflowAlignment() const { return rareNonInheritedData->m_alignItems.overflow(); }
      const StyleSelfAlignmentData& alignSelf() const { return rareNonInheritedData->m_alignSelf; }
      ItemPosition alignSelfPosition() const { return rareNonInheritedData->m_alignSelf.position(); }
      OverflowAlignment alignSelfOverflowAlignment() const { return rareNonInheritedData->m_alignSelf.overflow(); }
      EFlexDirection flexDirection() const { return static_cast<EFlexDirection>(rareNonInheritedData->m_flexibleBox->m_flexDirection); }
      bool isColumnFlexDirection() const { return flexDirection() == FlowColumn || flexDirection() == FlowColumnReverse; }
      bool isReverseFlexDirection() const { return flexDirection() == FlowRowReverse || flexDirection() == FlowColumnReverse; }
      EFlexWrap flexWrap() const { return static_cast<EFlexWrap>(rareNonInheritedData->m_flexibleBox->m_flexWrap); }
      const StyleContentAlignmentData& justifyContent() const { return rareNonInheritedData->m_justifyContent; }
      ContentPosition justifyContentPosition() const { return rareNonInheritedData->m_justifyContent.position(); }
      ContentDistributionType justifyContentDistribution() const { return rareNonInheritedData->m_justifyContent.distribution(); }
      OverflowAlignment justifyContentOverflowAlignment() const { return rareNonInheritedData->m_justifyContent.overflow(); }
      const StyleSelfAlignmentData& justifyItems() const { return rareNonInheritedData->m_justifyItems; }
      ItemPosition justifyItemsPosition() const { return rareNonInheritedData->m_justifyItems.position(); }
      OverflowAlignment justifyItemsOverflowAlignment() const { return rareNonInheritedData->m_justifyItems.overflow(); }
      ItemPositionType justifyItemsPositionType() const { return rareNonInheritedData->m_justifyItems.positionType(); }
      const StyleSelfAlignmentData& justifySelf() const { return rareNonInheritedData->m_justifySelf; }
      ItemPosition justifySelfPosition() const { return rareNonInheritedData->m_justifySelf.position(); }
      OverflowAlignment justifySelfOverflowAlignment() const { return rareNonInheritedData->m_justifySelf.overflow(); }
  
      const Vector<GridTrackSize>& gridTemplateColumns() const { return rareNonInheritedData->m_grid->m_gridTemplateColumns; }
      const Vector<GridTrackSize>& gridTemplateRows() const { return rareNonInheritedData->m_grid->m_gridTemplateRows; }
      const NamedGridLinesMap& namedGridColumnLines() const { return rareNonInheritedData->m_grid->m_namedGridColumnLines; }
      const NamedGridLinesMap& namedGridRowLines() const { return rareNonInheritedData->m_grid->m_namedGridRowLines; }
      const OrderedNamedGridLines& orderedNamedGridColumnLines() const { return rareNonInheritedData->m_grid->m_orderedNamedGridColumnLines; }
      const OrderedNamedGridLines& orderedNamedGridRowLines() const { return rareNonInheritedData->m_grid->m_orderedNamedGridRowLines; }
      const NamedGridAreaMap& namedGridArea() const { return rareNonInheritedData->m_grid->m_namedGridArea; }
      size_t namedGridAreaRowCount() const { return rareNonInheritedData->m_grid->m_namedGridAreaRowCount; }
      size_t namedGridAreaColumnCount() const { return rareNonInheritedData->m_grid->m_namedGridAreaColumnCount; }
      GridAutoFlow gridAutoFlow() const { return static_cast<GridAutoFlow>(rareNonInheritedData->m_grid->m_gridAutoFlow); }
      bool isGridAutoFlowDirectionRow() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowDirectionRow) == InternalAutoFlowDirectionRow; }
      bool isGridAutoFlowDirectionColumn() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowDirectionColumn) == InternalAutoFlowDirectionColumn; }
      bool isGridAutoFlowAlgorithmSparse() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowAlgorithmSparse) == InternalAutoFlowAlgorithmSparse; }
      bool isGridAutoFlowAlgorithmDense() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowAlgorithmDense) == InternalAutoFlowAlgorithmDense; }
      const GridTrackSize& gridAutoColumns() const { return rareNonInheritedData->m_grid->m_gridAutoColumns; }
      const GridTrackSize& gridAutoRows() const { return rareNonInheritedData->m_grid->m_gridAutoRows; }
  
      const GridPosition& gridColumnStart() const { return rareNonInheritedData->m_gridItem->m_gridColumnStart; }
      const GridPosition& gridColumnEnd() const { return rareNonInheritedData->m_gridItem->m_gridColumnEnd; }
      const GridPosition& gridRowStart() const { return rareNonInheritedData->m_gridItem->m_gridRowStart; }
      const GridPosition& gridRowEnd() const { return rareNonInheritedData->m_gridItem->m_gridRowEnd; }
  
      ShadowList* boxShadow() const { return rareNonInheritedData->m_boxShadow.get(); }
  
      EBoxDecorationBreak boxDecorationBreak() const { return m_box->boxDecorationBreak(); }
      StyleReflection* boxReflect() const { return rareNonInheritedData->m_boxReflect.get(); }
      bool reflectionDataEquivalent(const ComputedStyle* otherStyle) const { return rareNonInheritedData->reflectionDataEquivalent(*otherStyle->rareNonInheritedData); }
  
      // FIXME: reflections should belong to this helper function but they are currently handled
      // through their self-painting layers. So the layout code doesn't account for them.
      bool hasVisualOverflowingEffect() const { return boxShadow() || hasBorderImageOutsets() || hasOutline(); }
  
      EBoxSizing boxSizing() const { return m_box->boxSizing(); }
      EUserModify userModify() const { return static_cast<EUserModify>(rareInheritedData->userModify); }
      EUserDrag userDrag() const { return static_cast<EUserDrag>(rareNonInheritedData->userDrag); }
      EUserSelect userSelect() const { return static_cast<EUserSelect>(rareInheritedData->userSelect); }
      TextOverflow textOverflow() const { return static_cast<TextOverflow>(rareNonInheritedData->textOverflow); }
      EMarginCollapse marginBeforeCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginBeforeCollapse); }
      EMarginCollapse marginAfterCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginAfterCollapse); }
      EWordBreak wordBreak() const { return static_cast<EWordBreak>(rareInheritedData->wordBreak); }
      EOverflowWrap overflowWrap() const { return static_cast<EOverflowWrap>(rareInheritedData->overflowWrap); }
      LineBreak lineBreak() const { return static_cast<LineBreak>(rareInheritedData->lineBreak); }
      const AtomicString& highlight() const { return rareInheritedData->highlight; }
      const AtomicString& hyphenationString() const { return rareInheritedData->hyphenationString; }
      const AtomicString& locale() const { return rareInheritedData->locale; }
      EResize resize() const { return static_cast<EResize>(rareNonInheritedData->m_resize); }
      bool hasInlinePaginationAxis() const
      {
          // If the pagination axis is parallel with the writing mode inline axis, columns may be laid
          // out along the inline axis, just like for regular multicol. Otherwise, we need to lay out
          // along the block axis.
          if (isOverflowPaged())
              return (overflowY() == OPAGEDX) == isHorizontalWritingMode();
          return false;
      }
      float columnWidth() const { return rareNonInheritedData->m_multiCol->m_width; }
      bool hasAutoColumnWidth() const { return rareNonInheritedData->m_multiCol->m_autoWidth; }
      unsigned short columnCount() const { return rareNonInheritedData->m_multiCol->m_count; }
      bool hasAutoColumnCount() const { return rareNonInheritedData->m_multiCol->m_autoCount; }
      bool specifiesColumns() const { return !hasAutoColumnCount() || !hasAutoColumnWidth(); }
      ColumnFill columnFill() const { return static_cast<ColumnFill>(rareNonInheritedData->m_multiCol->m_fill); }
      float columnGap() const { return rareNonInheritedData->m_multiCol->m_gap; }
      bool hasNormalColumnGap() const { return rareNonInheritedData->m_multiCol->m_normalGap; }
      EBorderStyle columnRuleStyle() const { return rareNonInheritedData->m_multiCol->m_rule.style(); }
      unsigned short columnRuleWidth() const { return rareNonInheritedData->m_multiCol->ruleWidth(); }
      bool columnRuleIsTransparent() const { return rareNonInheritedData->m_multiCol->m_rule.isTransparent(); }
      bool columnRuleEquivalent(const ComputedStyle* otherStyle) const;
      ColumnSpan columnSpan() const { return static_cast<ColumnSpan>(rareNonInheritedData->m_multiCol->m_columnSpan); }
      EPageBreak columnBreakBefore() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakBefore); }
      EPageBreak columnBreakInside() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakInside); }
      EPageBreak columnBreakAfter() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakAfter); }
      bool hasInlineTransform() const { return rareNonInheritedData->m_hasInlineTransform; }
      bool hasCompositorProxy() const { return rareNonInheritedData->m_hasCompositorProxy; }
      const TransformOperations& transform() const { return rareNonInheritedData->m_transform->m_operations; }
      const TransformOrigin& transformOrigin() const { return rareNonInheritedData->m_transform->m_origin; }
      const Length& transformOriginX() const { return transformOrigin().x(); }
      const Length& transformOriginY() const { return transformOrigin().y(); }
      TranslateTransformOperation* translate() const { return rareNonInheritedData->m_transform->m_translate.get(); }
      RotateTransformOperation* rotate() const { return rareNonInheritedData->m_transform->m_rotate.get(); }
      ScaleTransformOperation* scale() const { return rareNonInheritedData->m_transform->m_scale.get(); }
      float transformOriginZ() const { return transformOrigin().z(); }
      bool has3DTransform() const { return rareNonInheritedData->m_transform->has3DTransform(); }
      bool hasTransform() const { return hasTransformOperations() || hasMotionPath() || hasCurrentTransformAnimation() || translate() || rotate() || scale(); }
      bool hasTransformOperations() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
      bool transformDataEquivalent(const ComputedStyle& otherStyle) const { return rareNonInheritedData->m_transform == otherStyle.rareNonInheritedData->m_transform; }
  
      StyleMotionPath* motionPath() const { return rareNonInheritedData->m_transform->m_motion.m_path.get(); }
      bool hasMotionPath() const { return rareNonInheritedData->m_transform->m_motion.m_path; }
      const Length& motionOffset() const { return rareNonInheritedData->m_transform->m_motion.m_offset; }
      float motionRotation() const { return rareNonInheritedData->m_transform->m_motion.m_rotation; }
      MotionRotationType motionRotationType() const { return rareNonInheritedData->m_transform->m_motion.m_rotationType; }
  
      TextEmphasisFill textEmphasisFill() const { return static_cast<TextEmphasisFill>(rareInheritedData->textEmphasisFill); }
      TextEmphasisMark textEmphasisMark() const;
      const AtomicString& textEmphasisCustomMark() const { return rareInheritedData->textEmphasisCustomMark; }
      TextEmphasisPosition textEmphasisPosition() const { return static_cast<TextEmphasisPosition>(rareInheritedData->textEmphasisPosition); }
      const AtomicString& textEmphasisMarkString() const;
  
      RubyPosition rubyPosition() const { return static_cast<RubyPosition>(rareInheritedData->m_rubyPosition); }
  
      TextOrientation textOrientation() const { return static_cast<TextOrientation>(rareInheritedData->m_textOrientation); }
  
      ObjectFit objectFit() const { return static_cast<ObjectFit>(rareNonInheritedData->m_objectFit); }
      LengthPoint objectPosition() const { return rareNonInheritedData->m_objectPosition; }
  
      // Return true if any transform related property (currently transform/motionPath, transformStyle3D or perspective)
      // indicates that we are transforming
      bool hasTransformRelatedProperty() const { return hasTransform() || preserves3D() || hasPerspective(); }
  
      enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
      enum ApplyMotionPath { IncludeMotionPath, ExcludeMotionPath };
      enum ApplyIndependentTransformProperties { IncludeIndependentTransformProperties , ExcludeIndependentTransformProperties };
      void applyTransform(TransformationMatrix&, const LayoutSize& borderBoxSize, ApplyTransformOrigin, ApplyMotionPath, ApplyIndependentTransformProperties) const;
      void applyTransform(TransformationMatrix&, const FloatRect& boundingBox, ApplyTransformOrigin, ApplyMotionPath, ApplyIndependentTransformProperties) const;
      bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
  
      TextCombine textCombine() const { return static_cast<TextCombine>(rareInheritedData->m_textCombine); }
      bool hasTextCombine() const { return textCombine() != TextCombineNone; }
  
      TabSize tabSize() const { return rareInheritedData->m_tabSize; }
  
      // End CSS3 Getters
  
      // Apple-specific property getter methods
      EPointerEvents pointerEvents() const { return static_cast<EPointerEvents>(inherited_flags._pointerEvents); }
      const CSSAnimationData* animations() const { return rareNonInheritedData->m_animations.get(); }
      const CSSTransitionData* transitions() const { return rareNonInheritedData->m_transitions.get(); }
  
      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 LengthPoint& perspectiveOrigin() const { return rareNonInheritedData->m_perspectiveOrigin; }
      const Length& perspectiveOriginX() const { return perspectiveOrigin().x(); }
      const Length& perspectiveOriginY() const { return perspectiveOrigin().y(); }
      const FloatSize& 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() const { return hasCurrentOpacityAnimation() || hasCurrentTransformAnimation() || hasCurrentFilterAnimation(); }
  
      bool isRunningOpacityAnimationOnCompositor() const { return rareNonInheritedData->m_runningOpacityAnimationOnCompositor; }
      bool isRunningTransformAnimationOnCompositor() const { return rareNonInheritedData->m_runningTransformAnimationOnCompositor; }
      bool isRunningFilterAnimationOnCompositor() const { return rareNonInheritedData->m_runningFilterAnimationOnCompositor; }
      bool isRunningAnimationOnCompositor() const { return isRunningOpacityAnimationOnCompositor() || isRunningTransformAnimationOnCompositor() || isRunningFilterAnimationOnCompositor(); }
  
      LineBoxContain lineBoxContain() const { return rareInheritedData->m_lineBoxContain; }
      const LineClampValue& lineClamp() const { return rareNonInheritedData->lineClamp; }
      Color tapHighlightColor() const { return rareInheritedData->tapHighlightColor; }
      ETextSecurity textSecurity() const { return static_cast<ETextSecurity>(rareInheritedData->textSecurity); }
  
      WritingMode writingMode() const { return static_cast<WritingMode>(inherited_flags.m_writingMode); }
      bool isHorizontalWritingMode() const { return blink::isHorizontalWritingMode(writingMode()); }
      bool isFlippedLinesWritingMode() const { return blink::isFlippedLinesWritingMode(writingMode()); }
      bool isFlippedBlocksWritingMode() const { return blink::isFlippedBlocksWritingMode(writingMode()); }
  
      EImageRendering imageRendering() const { return static_cast<EImageRendering>(rareInheritedData->m_imageRendering); }
  
      ESpeak speak() const { return static_cast<ESpeak>(rareInheritedData->speak); }
  
      FilterOperations& mutableFilter() { return rareNonInheritedData.access()->m_filter.access()->m_operations; }
      const FilterOperations& filter() const { return rareNonInheritedData->m_filter->m_operations; }
      bool hasFilter() const { return !rareNonInheritedData->m_filter->m_operations.operations().isEmpty(); }
  
      WebBlendMode blendMode() const { return static_cast<WebBlendMode>(rareNonInheritedData->m_effectiveBlendMode); }
      void setBlendMode(WebBlendMode v) { rareNonInheritedData.access()->m_effectiveBlendMode = v; }
      bool hasBlendMode() const { return blendMode() != WebBlendModeNormal; }
  
      EIsolation isolation() const { return static_cast<EIsolation>(rareNonInheritedData->m_isolation); }
      void setIsolation(EIsolation v) { rareNonInheritedData.access()->m_isolation = v; }
      bool hasIsolation() const { return isolation() != IsolationAuto; }
  
      bool shouldPlaceBlockDirectionScrollbarOnLogicalLeft() const { return !isLeftToRightDirection() && isHorizontalWritingMode(); }
  
      TouchAction touchAction() const { return static_cast<TouchAction>(rareNonInheritedData->m_touchAction); }
  
      ScrollBehavior scrollBehavior() const { return static_cast<ScrollBehavior>(rareNonInheritedData->m_scrollBehavior); }
      WebScrollBlocksOn scrollBlocksOn() const { return static_cast<WebScrollBlocksOn>(rareNonInheritedData->m_scrollBlocksOn); }
      bool hasScrollBlocksOn() const { return scrollBlocksOn() != WebScrollBlocksOnNone; }
  
      ScrollSnapType scrollSnapType() const { return static_cast<ScrollSnapType>(rareNonInheritedData->m_scrollSnapType); }
      ScrollSnapPoints scrollSnapPointsX() const { return rareNonInheritedData->m_scrollSnap->m_xPoints; }
      ScrollSnapPoints scrollSnapPointsY() const { return rareNonInheritedData->m_scrollSnap->m_yPoints; }
      Vector<LengthPoint> scrollSnapCoordinate() const { return rareNonInheritedData->m_scrollSnap->m_coordinates; }
      LengthPoint scrollSnapDestination() const { return rareNonInheritedData->m_scrollSnap->m_destination; }
  
      const Vector<CSSPropertyID>& willChangeProperties() const { return rareNonInheritedData->m_willChange->m_properties; }
      bool willChangeContents() const { return rareNonInheritedData->m_willChange->m_contents; }
      bool willChangeScrollPosition() const { return rareNonInheritedData->m_willChange->m_scrollPosition; }
      bool hasWillChangeCompositingHint() const;
      bool subtreeWillChangeContents() const { return rareInheritedData->m_subtreeWillChangeContents; }
  
  // attribute setter methods
  
      void setDisplay(EDisplay v) { noninherited_flags.effectiveDisplay = v; }
      void setOriginalDisplay(EDisplay v) { noninherited_flags.originalDisplay = v; }
      void setPosition(EPosition v) { noninherited_flags.position = v; }
      void setFloating(EFloat v) { noninherited_flags.floating = v; }
  
  //     void setLeft(const Length& v) { SET_VAR(surround, offset.m_left, v); }
  //     void setRight(const Length& v) { SET_VAR(surround, offset.m_right, v); }
  //     void setTop(const Length& v) { SET_VAR(surround, offset.m_top, v); }
  //     void setBottom(const Length& v) { SET_VAR(surround, offset.m_bottom, v); }
  // 
  //     void setWidth(const Length& v) { SET_VAR(m_box, m_width, v); }
  //     void setHeight(const Length& v) { SET_VAR(m_box, m_height, v); }
  // 
  //     void setLogicalWidth(const Length& v)
  //     {
  //         if (isHorizontalWritingMode()) {
  //             SET_VAR(m_box, m_width, v);
  //         } else {
  //             SET_VAR(m_box, m_height, v);
  //         }
  //     }
  // 
  //     void setLogicalHeight(const Length& v)
  //     {
  //         if (isHorizontalWritingMode()) {
  //             SET_VAR(m_box, m_height, v);
  //         } else {
  //             SET_VAR(m_box, m_width, v);
  //         }
  //     }
  // 
  //     void setMinWidth(const Length& v) { SET_VAR(m_box, m_minWidth, v); }
  //     void setMaxWidth(const Length& v) { SET_VAR(m_box, m_maxWidth, v); }
  //     void setMinHeight(const Length& v) { SET_VAR(m_box, m_minHeight, v); }
  //     void setMaxHeight(const Length& v) { SET_VAR(m_box, m_maxHeight, v); }
  
      void setLeft(const Length& v);
      void setRight(const Length& v);
      void setTop(const Length& v);
      void setBottom(const Length& v);
  
      void setWidth(const Length& v);
      void setHeight(const Length& v);
  
      void setLogicalWidth(const Length& v);
  
      void setLogicalHeight(const Length& v);
  
      void setMinWidth(const Length& v);
      void setMaxWidth(const Length& v);
      void setMinHeight(const Length& v);
      void setMaxHeight(const Length& v);
  
      DraggableRegionMode getDraggableRegionMode() const { return rareNonInheritedData->m_draggableRegionMode; }
      void setDraggableRegionMode(DraggableRegionMode v) { SET_VAR(rareNonInheritedData, m_draggableRegionMode, v); }
  
      void resetBorder()
      {
          resetBorderImage();
          resetBorderTop();
          resetBorderRight();
          resetBorderBottom();
          resetBorderLeft();
          resetBorderTopLeftRadius();
          resetBorderTopRightRadius();
          resetBorderBottomLeftRadius();
          resetBorderBottomRightRadius();
      }
      void resetBorderTop() { SET_VAR(surround, border.m_top, BorderValue()); }
      void resetBorderRight() { SET_VAR(surround, border.m_right, BorderValue()); }
      void resetBorderBottom() { SET_VAR(surround, border.m_bottom, BorderValue()); }
      void resetBorderLeft() { SET_VAR(surround, border.m_left, BorderValue()); }
      void resetBorderImage() { SET_VAR(surround, border.m_image, NinePieceImage()); }
      void resetBorderTopLeftRadius() { SET_VAR(surround, border.m_topLeft, initialBorderRadius()); }
      void resetBorderTopRightRadius() { SET_VAR(surround, border.m_topRight, initialBorderRadius()); }
      void resetBorderBottomLeftRadius() { SET_VAR(surround, border.m_bottomLeft, initialBorderRadius()); }
      void resetBorderBottomRightRadius() { SET_VAR(surround, border.m_bottomRight, initialBorderRadius()); }
  
      void setBackgroundColor(const StyleColor& v) { SET_VAR(m_background, m_color, v); }
  
      void setBorderImage(const NinePieceImage& b) { SET_VAR(surround, border.m_image, b); }
      void setBorderImageSource(PassRefPtr<StyleImage>);
      void setBorderImageSlices(const LengthBox&);
      void setBorderImageSlicesFill(bool);
      void setBorderImageWidth(const BorderImageLengthBox&);
      void setBorderImageOutset(const BorderImageLengthBox&);
  
      void setBorderTopLeftRadius(const LengthSize& s) { SET_VAR(surround, border.m_topLeft, s); }
      void setBorderTopRightRadius(const LengthSize& s) { SET_VAR(surround, border.m_topRight, s); }
      void setBorderBottomLeftRadius(const LengthSize& s) { SET_VAR(surround, border.m_bottomLeft, s); }
      void setBorderBottomRightRadius(const LengthSize& s) { SET_VAR(surround, border.m_bottomRight, s); }
  
      void setBorderRadius(const LengthSize& s)
      {
          setBorderTopLeftRadius(s);
          setBorderTopRightRadius(s);
          setBorderBottomLeftRadius(s);
          setBorderBottomRightRadius(s);
      }
      void setBorderRadius(const IntSize& s)
      {
          setBorderRadius(LengthSize(Length(s.width(), Fixed), Length(s.height(), Fixed)));
      }
  
      FloatRoundedRect getRoundedBorderFor(const LayoutRect& borderRect, bool includeLogicalLeftEdge = true,
          bool includeLogicalRightEdge = true) const;
      FloatRoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
  
      FloatRoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect,
          const LayoutRectOutsets insets, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) const;
  
      void setBorderLeftWidth(unsigned v) { SET_VAR(surround, border.m_left.m_width, v); }
      void setBorderLeftStyle(EBorderStyle v) { SET_VAR(surround, border.m_left.m_style, v); }
      void setBorderLeftColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_left, v); }
      void setBorderRightWidth(unsigned v) { SET_VAR(surround, border.m_right.m_width, v); }
      void setBorderRightStyle(EBorderStyle v) { SET_VAR(surround, border.m_right.m_style, v); }
      void setBorderRightColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_right, v); }
      void setBorderTopWidth(unsigned v) { SET_VAR(surround, border.m_top.m_width, v); }
      void setBorderTopStyle(EBorderStyle v) { SET_VAR(surround, border.m_top.m_style, v); }
      void setBorderTopColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_top, v); }
      void setBorderBottomWidth(unsigned v) { SET_VAR(surround, border.m_bottom.m_width, v); }
      void setBorderBottomStyle(EBorderStyle v) { SET_VAR(surround, border.m_bottom.m_style, v); }
      void setBorderBottomColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_bottom, v); }
  
      void setOutlineWidth(unsigned short v) { SET_VAR(m_background, m_outline.m_width, v); }
      void setOutlineStyleIsAuto(OutlineIsAuto isAuto) { SET_VAR(m_background, m_outline.m_isAuto, isAuto); }
      void setOutlineStyle(EBorderStyle v) { SET_VAR(m_background, m_outline.m_style, v); }
      void setOutlineColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(m_background, m_outline, v); }
      bool isOutlineEquivalent(const ComputedStyle* otherStyle) const
      {
          // No other style, so we don't have an outline then we consider them to be the same.
          if (!otherStyle)
              return !hasOutline();
          return m_background->outline().visuallyEqual(otherStyle->m_background->outline());
      }
      void setOutlineFromStyle(const ComputedStyle& o)
      {
          ASSERT(!isOutlineEquivalent(&o));
          m_background.access()->m_outline = o.m_background->m_outline;
      }
  
      void setOverflowX(EOverflow v) { noninherited_flags.overflowX = v; }
      void setOverflowY(EOverflow v) { noninherited_flags.overflowY = v; }
      void setVisibility(EVisibility v) { inherited_flags._visibility = v; }
      void setVerticalAlign(EVerticalAlign v) { noninherited_flags.verticalAlign = v; }
      void setVerticalAlignLength(const Length& length) { setVerticalAlign(LENGTH); SET_VAR(m_box, m_verticalAlign, length); }
  
      void setHasAutoClip() { SET_VAR(visual, hasAutoClip, true); SET_VAR(visual, clip, ComputedStyle::initialClip()); }
      void setClip(const LengthBox& box) { SET_VAR(visual, hasAutoClip, false); SET_VAR(visual, clip, box); }
  
      void setUnicodeBidi(EUnicodeBidi b) { noninherited_flags.unicodeBidi = b; }
  
      void setClear(EClear v) { noninherited_flags.clear = v; }
      void setTableLayout(ETableLayout v) { noninherited_flags.tableLayout = v; }
  
      bool setFontDescription(const FontDescription&);
      void setFont(const Font&);
  
      void setTextAutosizingMultiplier(float);
  
      void setColor(const Color&);
      void setTextIndent(const Length& v) { SET_VAR(rareInheritedData, indent, v); }
      void setTextIndentLine(TextIndentLine v) { SET_VAR(rareInheritedData, m_textIndentLine, v); }
      void setTextIndentType(TextIndentType v) { SET_VAR(rareInheritedData, m_textIndentType, v); }
      void setTextAlign(ETextAlign v) { inherited_flags._text_align = v; }
      void setTextAlignLast(TextAlignLast v) { SET_VAR(rareInheritedData, m_textAlignLast, v); }
      void setTextJustify(TextJustify v) { SET_VAR(rareInheritedData, m_textJustify, v); }
      void setTextTransform(ETextTransform v) { inherited_flags._text_transform = v; }
      void applyTextDecorations();
      void clearAppliedTextDecorations();
      void setTextDecoration(TextDecoration v) { SET_VAR(visual, textDecoration, v); }
      void setTextUnderlinePosition(TextUnderlinePosition v) { SET_VAR(rareInheritedData, m_textUnderlinePosition, v); }
      void setTextDecorationStyle(TextDecorationStyle v) { SET_VAR(rareNonInheritedData, m_textDecorationStyle, v); }
      void setDirection(TextDirection v) { inherited_flags._direction = v; }
      void setSelfOrAncestorHasDirAutoAttribute(bool v) { SET_VAR(rareInheritedData, m_selfOrAncestorHasDirAutoAttribute, v); }
      void setLineHeight(const Length& specifiedLineHeight);
      bool setZoom(float);
      bool setEffectiveZoom(float);
      void clearMultiCol();
  
      void setImageRendering(EImageRendering v) { SET_VAR(rareInheritedData, m_imageRendering, v); }
  
      void setWhiteSpace(EWhiteSpace v) { inherited_flags._white_space = v; }
  
      // FIXME: Remove these two and replace them with respective FontBuilder calls.
      void setWordSpacing(float);
      void setLetterSpacing(float);
  
      void adjustBackgroundLayers()
      {
          if (backgroundLayers().next()) {
              accessBackgroundLayers().cullEmptyLayers();
              accessBackgroundLayers().fillUnsetProperties();
          }
      }
  
      void adjustMaskLayers()
      {
          if (maskLayers().next()) {
              accessMaskLayers().cullEmptyLayers();
              accessMaskLayers().fillUnsetProperties();
          }
      }
  
      void setMaskBoxImage(const NinePieceImage& b) { SET_VAR(rareNonInheritedData, m_maskBoxImage, b); }
      void setMaskBoxImageSource(PassRefPtr<StyleImage> v) { rareNonInheritedData.access()->m_maskBoxImage.setImage(v); }
      void setMaskBoxImageSlices(const LengthBox& slices)
      {
          rareNonInheritedData.access()->m_maskBoxImage.setImageSlices(slices);
      }
      void setMaskBoxImageSlicesFill(bool fill)
      {
          rareNonInheritedData.access()->m_maskBoxImage.setFill(fill);
      }
      void setMaskBoxImageWidth(const BorderImageLengthBox& slices)
      {
          rareNonInheritedData.access()->m_maskBoxImage.setBorderSlices(slices);
      }
      void setMaskBoxImageOutset(const BorderImageLengthBox& outset)
      {
          rareNonInheritedData.access()->m_maskBoxImage.setOutset(outset);
      }
  
      void setBorderCollapse(EBorderCollapse collapse) { inherited_flags._border_collapse = collapse; }
      void setHorizontalBorderSpacing(short);
      void setVerticalBorderSpacing(short);
      void setEmptyCells(EEmptyCell v) { inherited_flags._empty_cells = v; }
      void setCaptionSide(ECaptionSide v) { inherited_flags._caption_side = v; }
  
      void setListStyleType(EListStyleType v) { inherited_flags._list_style_type = v; }
      void setListStyleImage(PassRefPtr<StyleImage>);
      void setListStylePosition(EListStylePosition v) { inherited_flags._list_style_position = v; }
  
      void setMarginTop(const Length& v) { SET_VAR(surround, margin.m_top, v); }
      void setMarginBottom(const Length& v) { SET_VAR(surround, margin.m_bottom, v); }
      void setMarginLeft(const Length& v) { SET_VAR(surround, margin.m_left, v); }
      void setMarginRight(const Length& v) { SET_VAR(surround, margin.m_right, v); }
      void setMarginStart(const Length&);
      void setMarginEnd(const Length&);
  
      void resetPadding() { SET_VAR(surround, padding, LengthBox(Fixed)); }
      void setPaddingBox(const LengthBox& b) { SET_VAR(surround, padding, b); }
      void setPaddingTop(const Length& v) { SET_VAR(surround, padding.m_top, v); }
      void setPaddingBottom(const Length& v) { SET_VAR(surround, padding.m_bottom, v); }
      void setPaddingLeft(const Length& v) { SET_VAR(surround, padding.m_left, v); }
      void setPaddingRight(const Length& v) { SET_VAR(surround, padding.m_right, v); }
  
      void setCursor(ECursor c) { inherited_flags._cursor_style = c; }
      void addCursor(PassRefPtr<StyleImage>, bool hotSpotSpecified, const IntPoint& hotSpot = IntPoint());
      void setCursorList(PassRefPtr<CursorList>);
      void clearCursorList();
  
      void setInsideLink(EInsideLink insideLink) { inherited_flags._insideLink = insideLink; }
      void setIsLink(bool b) { noninherited_flags.isLink = b; }
  
      PrintColorAdjust printColorAdjust() const { return static_cast<PrintColorAdjust>(inherited_flags.m_printColorAdjust); }
      void setPrintColorAdjust(PrintColorAdjust value) { inherited_flags.m_printColorAdjust = value; }
  
      // A stacking context is painted atomically and defines a stacking order, whereas
      // a containing stacking context defines in which order the stacking contexts
      // below are painted. In Blink, a stacking context is defined by non-auto
      // z-index'. This invariant is enforced by the logic in StyleAdjuster
      // See CSS 2.1, Appendix E for more details.
      bool isStackingContext() const { return !hasAutoZIndex(); }
  
      // Some elements are "treated as if they create a new stacking context" for the purpose
      // of painting and hit testing. However they don't determine the stacking of the stacking
      // context underneath them. That means that they are painted atomically.
      bool isTreatedAsStackingContextForPainting() const
      {
          // FIXME: Floating objects are also considered stacking contexts for painting.
          return isStackingContext() || position() != StaticPosition;
      }
  
      bool hasAutoZIndex() const { return m_box->hasAutoZIndex(); }
      void setHasAutoZIndex() { SET_VAR(m_box, m_hasAutoZIndex, true); SET_VAR(m_box, m_zIndex, 0); }
      int zIndex() const { return m_box->zIndex(); }
      void setZIndex(int v) { SET_VAR(m_box, m_hasAutoZIndex, false); SET_VAR(m_box, m_zIndex, v); }
  
      void setHasAutoWidows() { SET_VAR(rareInheritedData, widows, initialWidows()); }
      void setWidows(short w) { SET_VAR(rareInheritedData, widows, w); }
  
      void setHasAutoOrphans() { SET_VAR(rareInheritedData, m_hasAutoOrphans, true); SET_VAR(rareInheritedData, orphans, initialOrphans()); }
      void setOrphans(short o) { SET_VAR(rareInheritedData, m_hasAutoOrphans, false); SET_VAR(rareInheritedData, orphans, o); }
  
      // For valid values of page-break-inside see http://www.w3.org/TR/CSS21/page.html#page-break-props
      void setPageBreakInside(EPageBreak b) { ASSERT(b == PBAUTO || b == PBAVOID); noninherited_flags.pageBreakInside = b; }
      void setPageBreakBefore(EPageBreak b) { noninherited_flags.pageBreakBefore = b; }
      void setPageBreakAfter(EPageBreak b) { noninherited_flags.pageBreakAfter = b; }
  
      // CSS3 Setters
      void setOutlineOffset(int v) { SET_VAR(m_background, m_outline.m_offset, v); }
      void setTextShadow(PassRefPtr<ShadowList>);
      void setTextStrokeColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textStrokeColor, setTextStrokeColor, c); }
      void setTextStrokeWidth(float w) { SET_VAR(rareInheritedData, textStrokeWidth, w); }
      void setTextFillColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textFillColor, setTextFillColor, c); }
      void setOpacity(float f) { float v = clampTo<float>(f, 0, 1); SET_VAR(rareNonInheritedData, opacity, v); }
      void setAppearance(ControlPart a) { SET_VAR(rareNonInheritedData, m_appearance, a); }
      // For valid values of box-align see http://www.w3.org/TR/2009/WD-css3-flexbox-20090723/#alignment
      void setBoxAlign(EBoxAlignment a) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, align, a); }
      void setBoxDecorationBreak(EBoxDecorationBreak b) { SET_VAR(m_box, m_boxDecorationBreak, b); }
      void setBoxDirection(EBoxDirection d) { inherited_flags._box_direction = d; }
      void setBoxFlex(float f) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, flex, f); }
      void setBoxFlexGroup(unsigned fg) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, flexGroup, fg); }
      void setBoxLines(EBoxLines l) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, lines, l); }
      void setBoxOrdinalGroup(unsigned og) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, ordinalGroup, og); }
      void setBoxOrient(EBoxOrient o) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, orient, o); }
      void setBoxPack(EBoxPack p) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, pack, p); }
      void setBoxShadow(PassRefPtr<ShadowList>);
      void setBoxReflect(PassRefPtr<StyleReflection> reflect) { if (rareNonInheritedData->m_boxReflect != reflect) rareNonInheritedData.access()->m_boxReflect = reflect; }
      void setBoxSizing(EBoxSizing s) { SET_VAR(m_box, m_boxSizing, s); }
      void setFlexGrow(float f) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexGrow, f); }
      void setFlexShrink(float f) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexShrink, f); }
      void setFlexBasis(const Length& length) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexBasis, length); }
      // We restrict the smallest value to int min + 2 because we use int min and int min + 1 as special values in a hash set.
      void setOrder(int o) { SET_VAR(rareNonInheritedData, m_order, max(std::numeric_limits<int>::min() + 2, o)); }
      void addCallbackSelector(const String& selector);
      void setAlignContent(const StyleContentAlignmentData& data) { SET_VAR(rareNonInheritedData, m_alignContent, data); }
      void setAlignContentPosition(ContentPosition position) { rareNonInheritedData.access()->m_alignContent.setPosition(position); }
      void setAlignContentDistribution(ContentDistributionType distribution) { rareNonInheritedData.access()->m_alignContent.setDistribution(distribution); }
      void setAlignContentOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()->m_alignContent.setOverflow(overflow); }
      void setAlignItems(const StyleSelfAlignmentData& data) { SET_VAR(rareNonInheritedData, m_alignItems, data); }
      void setAlignItemsPosition(ItemPosition position) { rareNonInheritedData.access()->m_alignItems.setPosition(position); }
      void setAlignItemsOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()->m_alignItems.setOverflow(overflow); }
      void setAlignSelf(const StyleSelfAlignmentData& data) { SET_VAR(rareNonInheritedData, m_alignSelf, data); }
      void setAlignSelfPosition(ItemPosition position) { rareNonInheritedData.access()->m_alignSelf.setPosition(position); }
      void setAlignSelfOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()->m_alignSelf.setOverflow(overflow); }
      void setFlexDirection(EFlexDirection direction) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexDirection, direction); }
      void setFlexWrap(EFlexWrap w) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexWrap, w); }
      void setJustifyContent(const StyleContentAlignmentData& data) { SET_VAR(rareNonInheritedData, m_justifyContent, data); }
      void setJustifyContentPosition(ContentPosition position) { rareNonInheritedData.access()->m_justifyContent.setPosition(position); }
      void setJustifyContentDistribution(ContentDistributionType distribution) { rareNonInheritedData.access()->m_justifyContent.setDistribution(distribution); }
      void setJustifyContentOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()->m_justifyContent.setOverflow(overflow); }
      void setJustifyItems(const StyleSelfAlignmentData& data) { SET_VAR(rareNonInheritedData, m_justifyItems, data); }
      void setJustifyItemsPosition(ItemPosition position) { rareNonInheritedData.access()->m_justifyItems.setPosition(position); }
      void setJustifyItemsOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()->m_justifyItems.setOverflow(overflow); }
      void setJustifyItemsPositionType(ItemPositionType positionType) { rareNonInheritedData.access()->m_justifyItems.setPositionType(positionType); }
      void setJustifySelf(const StyleSelfAlignmentData& data) { SET_VAR(rareNonInheritedData, m_justifySelf, data); }
      void setJustifySelfPosition(ItemPosition position) { rareNonInheritedData.access()->m_justifySelf.setPosition(position); }
      void setJustifySelfOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()->m_justifySelf.setOverflow(overflow); }
      void setGridAutoColumns(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoColumns, length); }
      void setGridAutoRows(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoRows, length); }
      void setGridTemplateColumns(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridTemplateColumns, lengths); }
      void setGridTemplateRows(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridTemplateRows, lengths); }
      void setNamedGridColumnLines(const NamedGridLinesMap& namedGridColumnLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridColumnLines, namedGridColumnLines); }
      void setNamedGridRowLines(const NamedGridLinesMap& namedGridRowLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridRowLines, namedGridRowLines); }
      void setOrderedNamedGridColumnLines(const OrderedNamedGridLines& orderedNamedGridColumnLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_orderedNamedGridColumnLines, orderedNamedGridColumnLines); }
      void setOrderedNamedGridRowLines(const OrderedNamedGridLines& orderedNamedGridRowLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_orderedNamedGridRowLines, orderedNamedGridRowLines); }
      void setNamedGridArea(const NamedGridAreaMap& namedGridArea) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridArea, namedGridArea); }
      void setNamedGridAreaRowCount(size_t rowCount) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridAreaRowCount, rowCount); }
      void setNamedGridAreaColumnCount(size_t columnCount) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridAreaColumnCount, columnCount); }
      void setGridAutoFlow(GridAutoFlow flow) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoFlow, flow); }
  
      void setGridColumnStart(const GridPosition& columnStartPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridColumnStart, columnStartPosition); }
      void setGridColumnEnd(const GridPosition& columnEndPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridColumnEnd, columnEndPosition); }
      void setGridRowStart(const GridPosition& rowStartPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridRowStart, rowStartPosition); }
      void setGridRowEnd(const GridPosition& rowEndPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridRowEnd, rowEndPosition); }
  
      void setUserModify(EUserModify u) { SET_VAR(rareInheritedData, userModify, u); }
      void setUserDrag(EUserDrag d) { SET_VAR(rareNonInheritedData, userDrag, d); }
      void setUserSelect(EUserSelect s) { SET_VAR(rareInheritedData, userSelect, s); }
      void setTextOverflow(TextOverflow overflow) { SET_VAR(rareNonInheritedData, textOverflow, overflow); }
      void setMarginBeforeCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginBeforeCollapse, c); }
      void setMarginAfterCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginAfterCollapse, c); }
      void setWordBreak(EWordBreak b) { SET_VAR(rareInheritedData, wordBreak, b); }
      void setOverflowWrap(EOverflowWrap b) { SET_VAR(rareInheritedData, overflowWrap, b); }
      void setLineBreak(LineBreak b) { SET_VAR(rareInheritedData, lineBreak, b); }
      void setHighlight(const AtomicString& h) { SET_VAR(rareInheritedData, highlight, h); }
      void setHyphenationString(const AtomicString& h) { SET_VAR(rareInheritedData, hyphenationString, h); }
      void setLocale(const AtomicString& locale) { SET_VAR(rareInheritedData, locale, locale); }
      void setResize(EResize r) { SET_VAR(rareNonInheritedData, m_resize, r); }
      void setColumnWidth(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, f); }
      void setHasAutoColumnWidth() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, 0); }
      void setColumnCount(unsigned short c) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, c); }
      void setHasAutoColumnCount() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, initialColumnCount()); }
      void setColumnFill(ColumnFill columnFill) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_fill, columnFill); }
      void setColumnGap(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, f); }
      void setHasNormalColumnGap() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, 0); }
      void setColumnRuleColor(const StyleColor& c) { SET_BORDERVALUE_COLOR(rareNonInheritedData.access()->m_multiCol, m_rule, c); }
      void setColumnRuleStyle(EBorderStyle b) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_style, b); }
      void setColumnRuleWidth(unsigned short w) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_width, w); }
      void setColumnSpan(ColumnSpan columnSpan) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_columnSpan, columnSpan); }
      void setColumnBreakBefore(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakBefore, p); }
      // For valid values of column-break-inside see http://www.w3.org/TR/css3-multicol/#break-before-break-after-break-inside
      void setColumnBreakInside(EPageBreak p) { ASSERT(p == PBAUTO || p == PBAVOID); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakInside, p); }
      void setColumnBreakAfter(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakAfter, p); }
      void inheritColumnPropertiesFrom(const ComputedStyle& parent) { rareNonInheritedData.access()->m_multiCol = parent.rareNonInheritedData->m_multiCol; }
      void setHasInlineTransform(bool b) { SET_VAR(rareNonInheritedData, m_hasInlineTransform, b); }
      void setHasCompositorProxy(bool b) { SET_VAR(rareNonInheritedData, m_hasCompositorProxy, b); }
      void setTransform(const TransformOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_transform, m_operations, ops); }
      void setTransformOriginX(const Length& v) { setTransformOrigin(TransformOrigin(v, transformOriginY(), transformOriginZ())); }
      void setTransformOriginY(const Length& v) { setTransformOrigin(TransformOrigin(transformOriginX(), v, transformOriginZ())); }
      void setTransformOriginZ(float f) { setTransformOrigin(TransformOrigin(transformOriginX(), transformOriginY(), f)); }
      void setTransformOrigin(const TransformOrigin& o) { SET_VAR(rareNonInheritedData.access()->m_transform, m_origin, o); }
      void setTranslate(PassRefPtr<TranslateTransformOperation> v) { rareNonInheritedData.access()->m_transform.access()->m_translate = v; }
      void setRotate(PassRefPtr<RotateTransformOperation> v) { rareNonInheritedData.access()->m_transform.access()->m_rotate = v; }
      void setScale(PassRefPtr<ScaleTransformOperation> v) { rareNonInheritedData.access()->m_transform.access()->m_scale = v; }
  
      void setSpeak(ESpeak s) { SET_VAR(rareInheritedData, speak, s); }
      void setTextCombine(TextCombine v) { SET_VAR(rareInheritedData, m_textCombine, v); }
      void setTextDecorationColor(const StyleColor& c) { SET_VAR(rareNonInheritedData, m_textDecorationColor, c); }
      void setTextEmphasisColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textEmphasisColor, setTextEmphasisColor, c); }
      void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(rareInheritedData, textEmphasisFill, fill); }
      void setTextEmphasisMark(TextEmphasisMark mark) { SET_VAR(rareInheritedData, textEmphasisMark, mark); }
      void setTextEmphasisCustomMark(const AtomicString& mark) { SET_VAR(rareInheritedData, textEmphasisCustomMark, mark); }
      void setTextEmphasisPosition(TextEmphasisPosition position) { SET_VAR(rareInheritedData, textEmphasisPosition, position); }
      bool setTextOrientation(TextOrientation);
  
      void setMotionPath(PassRefPtr<StyleMotionPath>);
      void resetMotionPath();
      void setMotionOffset(const Length& motionOffset) { SET_VAR(rareNonInheritedData.access()->m_transform, m_motion.m_offset, motionOffset); }
      void setMotionRotation(float motionRotation) { SET_VAR(rareNonInheritedData.access()->m_transform, m_motion.m_rotation, motionRotation); }
      void setMotionRotationType(MotionRotationType motionRotationType) { SET_VAR(rareNonInheritedData.access()->m_transform, m_motion.m_rotationType, motionRotationType); }
  
      void setObjectFit(ObjectFit f) { SET_VAR(rareNonInheritedData, m_objectFit, f); }
      void setObjectPosition(LengthPoint position) { SET_VAR(rareNonInheritedData, m_objectPosition, position); }
  
      void setRubyPosition(RubyPosition position) { SET_VAR(rareInheritedData, m_rubyPosition, position); }
  
      void setFilter(const FilterOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_filter, m_operations, ops); }
  
      void setTabSize(TabSize size) { SET_VAR(rareInheritedData, m_tabSize, size); }
  
      // End CSS3 Setters
  
      void setWrapFlow(WrapFlow wrapFlow) { SET_VAR(rareNonInheritedData, m_wrapFlow, wrapFlow); }
      void setWrapThrough(WrapThrough wrapThrough) { SET_VAR(rareNonInheritedData, m_wrapThrough, wrapThrough); }
  
      // Apple-specific property setters
      void setPointerEvents(EPointerEvents p) { inherited_flags._pointerEvents = p; }
  
      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& 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 FloatSize& 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); }
      void setIsRunningFilterAnimationOnCompositor(bool b = true) { SET_VAR(rareNonInheritedData, m_runningFilterAnimationOnCompositor, b); }
  
      void setLineBoxContain(LineBoxContain c) { SET_VAR(rareInheritedData, m_lineBoxContain, c); }
      void setLineClamp(LineClampValue c) { SET_VAR(rareNonInheritedData, lineClamp, c); }
      void setTapHighlightColor(const Color& c) { SET_VAR(rareInheritedData, tapHighlightColor, c); }
      void setTextSecurity(ETextSecurity aTextSecurity) { SET_VAR(rareInheritedData, textSecurity, aTextSecurity); }
      void setTouchAction(TouchAction t) { SET_VAR(rareNonInheritedData, m_touchAction, t); }
  
      void setScrollBehavior(ScrollBehavior b) { SET_VAR(rareNonInheritedData, m_scrollBehavior, b); }
      void setScrollBlocksOn(WebScrollBlocksOn b) { SET_VAR(rareNonInheritedData, m_scrollBlocksOn, b); }
  
      void setScrollSnapType(ScrollSnapType b) { SET_VAR(rareNonInheritedData, m_scrollSnapType, b); }
      void setScrollSnapPointsX(const ScrollSnapPoints& b) { SET_VAR(rareNonInheritedData.access()->m_scrollSnap, m_xPoints, b); }
      void setScrollSnapPointsY(const ScrollSnapPoints& b) { SET_VAR(rareNonInheritedData.access()->m_scrollSnap, m_yPoints, b); }
      void setScrollSnapDestination(const LengthPoint& b) { SET_VAR(rareNonInheritedData.access()->m_scrollSnap, m_destination, b); }
      void setScrollSnapCoordinate(const Vector<LengthPoint>& b) { SET_VAR(rareNonInheritedData.access()->m_scrollSnap, m_coordinates, b); }
  
      void setWillChangeProperties(const Vector<CSSPropertyID>& properties) { SET_VAR(rareNonInheritedData.access()->m_willChange, m_properties, properties); }
      void setWillChangeContents(bool b) { SET_VAR(rareNonInheritedData.access()->m_willChange, m_contents, b); }
      void setWillChangeScrollPosition(bool b) { SET_VAR(rareNonInheritedData.access()->m_willChange, m_scrollPosition, b); }
      void setSubtreeWillChangeContents(bool b) { SET_VAR(rareInheritedData, m_subtreeWillChangeContents, b); }
  
      bool requiresAcceleratedCompositingForExternalReasons(bool b) { return rareNonInheritedData->m_requiresAcceleratedCompositingForExternalReasons; }
      void setRequiresAcceleratedCompositingForExternalReasons(bool b) { SET_VAR(rareNonInheritedData, m_requiresAcceleratedCompositingForExternalReasons, b); }
  
      const SVGComputedStyle& svgStyle() const { return *m_svgStyle.get(); }
      SVGComputedStyle& accessSVGStyle() { return *m_svgStyle.access(); }
  
      const SVGPaintType& fillPaintType() const { return svgStyle().fillPaintType(); }
      Color fillPaintColor() const { return svgStyle().fillPaintColor(); }
      float fillOpacity() const { return svgStyle().fillOpacity(); }
      void setFillOpacity(float f) { accessSVGStyle().setFillOpacity(f); }
  
      const SVGPaintType& strokePaintType() const { return svgStyle().strokePaintType(); }
      Color strokePaintColor() const { return svgStyle().strokePaintColor(); }
      float strokeOpacity() const { return svgStyle().strokeOpacity(); }
      void setStrokeOpacity(float f) { accessSVGStyle().setStrokeOpacity(f); }
      const UnzoomedLength& strokeWidth() const { return svgStyle().strokeWidth(); }
      void setStrokeWidth(const UnzoomedLength& w) { accessSVGStyle().setStrokeWidth(w); }
      SVGDashArray* strokeDashArray() const { return svgStyle().strokeDashArray(); }
      void setStrokeDashArray(PassRefPtr<SVGDashArray> array) { accessSVGStyle().setStrokeDashArray(array); }
      const Length& strokeDashOffset() const { return svgStyle().strokeDashOffset(); }
      void setStrokeDashOffset(const Length& d) { accessSVGStyle().setStrokeDashOffset(d); }
      float strokeMiterLimit() const { return svgStyle().strokeMiterLimit(); }
      void setStrokeMiterLimit(float f) { accessSVGStyle().setStrokeMiterLimit(f); }
  
      void setCx(const Length& cx) { accessSVGStyle().setCx(cx); }
      void setCy(const Length& cy) { accessSVGStyle().setCy(cy); }
      void setX(const Length& x) { accessSVGStyle().setX(x); }
      void setY(const Length& y) { accessSVGStyle().setY(y); }
      void setR(const Length& r) { accessSVGStyle().setR(r); }
      void setRx(const Length& rx) { accessSVGStyle().setRx(rx); }
      void setRy(const Length& ry) { accessSVGStyle().setRy(ry); }
  
      float floodOpacity() const { return svgStyle().floodOpacity(); }
      void setFloodOpacity(float f) { accessSVGStyle().setFloodOpacity(f); }
  
      float stopOpacity() const { return svgStyle().stopOpacity(); }
      void setStopOpacity(float f) { accessSVGStyle().setStopOpacity(f); }
  
      void setStopColor(const Color& c) { accessSVGStyle().setStopColor(c); }
      void setFloodColor(const Color& c) { accessSVGStyle().setFloodColor(c); }
      void setLightingColor(const Color& c) { accessSVGStyle().setLightingColor(c); }
  
      const Length& baselineShiftValue() const { return svgStyle().baselineShiftValue(); }
      void setBaselineShiftValue(const Length& s) { accessSVGStyle().setBaselineShiftValue(s); }
  
      void setShapeOutside(PassRefPtr<ShapeValue> value)
      {
          if (rareNonInheritedData->m_shapeOutside == value)
              return;
          rareNonInheritedData.access()->m_shapeOutside = value;
      }
      ShapeValue* shapeOutside() const { return rareNonInheritedData->m_shapeOutside.get(); }
  
      static ShapeValue* initialShapeOutside() { return 0; }
  
      void setClipPath(PassRefPtr<ClipPathOperation> operation)
      {
          if (rareNonInheritedData->m_clipPath != operation)
              rareNonInheritedData.access()->m_clipPath = operation;
      }
      ClipPathOperation* clipPath() const { return rareNonInheritedData->m_clipPath.get(); }
  
      static ClipPathOperation* initialClipPath() { return 0; }
  
      const Length& shapeMargin() const { return rareNonInheritedData->m_shapeMargin; }
      void setShapeMargin(const Length& shapeMargin) { SET_VAR(rareNonInheritedData, m_shapeMargin, shapeMargin); }
      static Length initialShapeMargin() { return Length(0, Fixed); }
  
      float shapeImageThreshold() const { return rareNonInheritedData->m_shapeImageThreshold; }
      void setShapeImageThreshold(float shapeImageThreshold)
      {
          float clampedShapeImageThreshold = clampTo<float>(shapeImageThreshold, 0, 1);
          SET_VAR(rareNonInheritedData, m_shapeImageThreshold, clampedShapeImageThreshold);
      }
      static float initialShapeImageThreshold() { return 0; }
  
      bool hasContent() const { return contentData(); }
      const ContentData* contentData() const { return rareNonInheritedData->m_content.get(); }
      bool contentDataEquivalent(const ComputedStyle* otherStyle) const { return const_cast<ComputedStyle*>(this)->rareNonInheritedData->contentDataEquivalent(*const_cast<ComputedStyle*>(otherStyle)->rareNonInheritedData); }
      void clearContent();
      void setContent(const String&, bool add = false);
      void setContent(PassRefPtr<StyleImage>, bool add = false);
      void setContent(PassOwnPtr<CounterContent>, bool add = false);
      void setContent(QuoteType, bool add = false);
  
      const CounterDirectiveMap* counterDirectives() const;
      CounterDirectiveMap& accessCounterDirectives();
      const CounterDirectives getCounterDirectives(const AtomicString& identifier) const;
      void clearIncrementDirectives();
      void clearResetDirectives();
  
      QuotesData* quotes() const { return rareInheritedData->quotes.get(); }
      void setQuotes(PassRefPtr<QuotesData>);
  
      const AtomicString& hyphenString() const;
  
      bool inheritedNotEqual(const ComputedStyle&) const;
      bool inheritedDataShared(const ComputedStyle&) const;
  
      bool isDisplayReplacedType() const { return isDisplayReplacedType(display()); }
      bool isDisplayInlineType() const { return isDisplayInlineType(display()); }
      bool isOriginalDisplayInlineType() const { return isDisplayInlineType(originalDisplay()); }
      bool isDisplayFlexibleOrGridBox() const { return isDisplayFlexibleBox(display()) || isDisplayGridBox(display()); }
      bool isDisplayFlexibleBox() const { return isDisplayFlexibleBox(display()); }
  
  
      bool setWritingMode(WritingMode v)
      {
          if (v == writingMode())
              return false;
  
          inherited_flags.m_writingMode = v;
          return true;
      }
  
      // A unique style is one that has matches something that makes it impossible to share.
      bool unique() const { return noninherited_flags.unique; }
      void setUnique() { noninherited_flags.unique = true; }
  
      bool isSharable() const;
  
      bool emptyState() const { return noninherited_flags.emptyState; }
      void setEmptyState(bool b) { setUnique(); noninherited_flags.emptyState = b; }
  
      Color visitedDependentColor(int colorProperty) const;
  
      void setHasExplicitlyInheritedProperties() { noninherited_flags.explicitInheritance = true; }
      bool hasExplicitlyInheritedProperties() const { return noninherited_flags.explicitInheritance; }
  
      bool hasChildDependentFlags() const { return emptyState() || hasExplicitlyInheritedProperties(); }
      void copyChildDependentFlagsFrom(const ComputedStyle&);
  
      bool hasBoxDecorations() const { return hasBorderDecoration() || hasBorderRadius() || hasOutline() || hasAppearance() || boxShadow() || hasFilter() || resize() != RESIZE_NONE; }
  
      bool borderObscuresBackground() const;
      void getBorderEdgeInfo(BorderEdge edges[], bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
  
      // Initial values for all the properties
      static EBorderCollapse initialBorderCollapse() { return BSEPARATE; }
      static EBorderStyle initialBorderStyle() { return BNONE; }
      static OutlineIsAuto initialOutlineStyleIsAuto() { return AUTO_OFF; }
      static NinePieceImage initialNinePieceImage() { return NinePieceImage(); }
      static LengthSize initialBorderRadius() { return LengthSize(Length(0, Fixed), Length(0, Fixed)); }
      static ECaptionSide initialCaptionSide() { return CAPTOP; }
      static EClear initialClear() { return CNONE; }
      static LengthBox initialClip() { return LengthBox(); }
      static TextDirection initialDirection() { return LTR; }
      static WritingMode initialWritingMode() { return TopToBottomWritingMode; }
      static TextCombine initialTextCombine() { return TextCombineNone; }
      static TextOrientation initialTextOrientation() { return TextOrientationVerticalRight; }
      static ObjectFit initialObjectFit() { return ObjectFitFill; }
      static LengthPoint initialObjectPosition() { return LengthPoint(Length(50.0, Percent), Length(50.0, Percent)); }
      static EDisplay initialDisplay() { return INLINE; }
      static EEmptyCell initialEmptyCells() { return SHOW; }
      static EFloat initialFloating() { return NoFloat; }
      static EListStylePosition initialListStylePosition() { return OUTSIDE; }
      static EListStyleType initialListStyleType() { return Disc; }
      static EOverflow initialOverflowX() { return OVISIBLE; }
      static EOverflow initialOverflowY() { return OVISIBLE; }
      static EPageBreak initialPageBreak() { return PBAUTO; }
      static EPosition initialPosition() { return StaticPosition; }
      static ETableLayout initialTableLayout() { return TAUTO; }
      static EUnicodeBidi initialUnicodeBidi() { return UBNormal; }
      static ETextTransform initialTextTransform() { return TTNONE; }
      static EVisibility initialVisibility() { return VISIBLE; }
      static EWhiteSpace initialWhiteSpace() { return NORMAL; }
      static short initialHorizontalBorderSpacing() { return 0; }
      static short initialVerticalBorderSpacing() { return 0; }
      static ECursor initialCursor() { return CURSOR_AUTO; }
      static Color initialColor() { return Color::black; }
      static StyleImage* initialListStyleImage() { return 0; }
      static unsigned initialBorderWidth() { return 3; }
      static unsigned short initialColumnRuleWidth() { return 3; }
      static unsigned short initialOutlineWidth() { return 3; }
      static float initialLetterWordSpacing() { return 0.0f; }
      static Length initialSize() { return Length(); }
      static Length initialMinSize() { return Length(); }
      static Length initialMaxSize() { return Length(MaxSizeNone); }
      static Length initialOffset() { return Length(); }
      static Length initialMargin() { return Length(Fixed); }
      static Length initialPadding() { return Length(Fixed); }
      static Length initialTextIndent() { return Length(Fixed); }
      static TextIndentLine initialTextIndentLine() { return TextIndentFirstLine; }
      static TextIndentType initialTextIndentType() { return TextIndentNormal; }
      static EVerticalAlign initialVerticalAlign() { return BASELINE; }
      static short initialWidows() { return 1; }
      static short initialOrphans() { return 2; }
      static Length initialLineHeight() { return Length(-100.0, Percent); }
      static ETextAlign initialTextAlign() { return TASTART; }
      static TextAlignLast initialTextAlignLast() { return TextAlignLastAuto; }
      static TextJustify initialTextJustify() { return TextJustifyAuto; }
      static TextDecoration initialTextDecoration() { return TextDecorationNone; }
      static TextUnderlinePosition initialTextUnderlinePosition() { return TextUnderlinePositionAuto; }
      static TextDecorationStyle initialTextDecorationStyle() { return TextDecorationStyleSolid; }
      static float initialZoom() { return 1.0f; }
      static int initialOutlineOffset() { return 0; }
      static float initialOpacity() { return 1.0f; }
      static EBoxAlignment initialBoxAlign() { return BSTRETCH; }
      static EBoxDecorationBreak initialBoxDecorationBreak() { return DSLICE; }
      static EBoxDirection initialBoxDirection() { return BNORMAL; }
      static EBoxLines initialBoxLines() { return SINGLE; }
      static EBoxOrient initialBoxOrient() { return HORIZONTAL; }
      static EBoxPack initialBoxPack() { return Start; }
      static float initialBoxFlex() { return 0.0f; }
      static unsigned initialBoxFlexGroup() { return 1; }
      static unsigned initialBoxOrdinalGroup() { return 1; }
      static EBoxSizing initialBoxSizing() { return CONTENT_BOX; }
      static StyleReflection* initialBoxReflect() { return 0; }
      static float initialFlexGrow() { return 0; }
      static float initialFlexShrink() { return 1; }
      static Length initialFlexBasis() { return Length(Auto); }
      static int initialOrder() { return 0; }
      static StyleContentAlignmentData initialContentAlignment() { return StyleContentAlignmentData(ContentPositionAuto, ContentDistributionDefault, OverflowAlignmentDefault); }
      static StyleSelfAlignmentData initialSelfAlignment() { return StyleSelfAlignmentData(ItemPositionAuto, OverflowAlignmentDefault); }
      static EFlexDirection initialFlexDirection() { return FlowRow; }
      static EFlexWrap initialFlexWrap() { return FlexNoWrap; }
      static EUserModify initialUserModify() { return READ_ONLY; }
      static EUserDrag initialUserDrag() { return DRAG_AUTO; }
      static EUserSelect initialUserSelect() { return SELECT_TEXT; }
      static TextOverflow initialTextOverflow() { return TextOverflowClip; }
      static EMarginCollapse initialMarginBeforeCollapse() { return MCOLLAPSE; }
      static EMarginCollapse initialMarginAfterCollapse() { return MCOLLAPSE; }
      static EWordBreak initialWordBreak() { return NormalWordBreak; }
      static EOverflowWrap initialOverflowWrap() { return NormalOverflowWrap; }
      static LineBreak initialLineBreak() { return LineBreakAuto; }
      static const AtomicString& initialHighlight() { return nullAtom; }
      static ESpeak initialSpeak() { return SpeakNormal; }
      static const AtomicString& initialHyphenationString() { return nullAtom; }
      static const AtomicString& initialLocale() { return nullAtom; }
      static EResize initialResize() { return RESIZE_NONE; }
      static ControlPart initialAppearance() { return NoControlPart; }
      static Order initialRTLOrdering() { return LogicalOrder; }
      static float initialTextStrokeWidth() { return 0; }
      static unsigned short initialColumnCount() { return 1; }
      static ColumnFill initialColumnFill() { return ColumnFillBalance; }
      static ColumnSpan initialColumnSpan() { return ColumnSpanNone; }
      static const TransformOperations& initialTransform() { DEFINE_STATIC_LOCAL(TransformOperations, ops, ()); return ops; }
      static PassRefPtr<TranslateTransformOperation> initialTranslate() { return TranslateTransformOperation::create(Length(0, Fixed), Length(0, Fixed), 0, TransformOperation::Translate3D); }
      static PassRefPtr<RotateTransformOperation> initialRotate() { return RotateTransformOperation::create(0, 0, 1, 0, TransformOperation::Rotate3D); }
      static PassRefPtr<ScaleTransformOperation> initialScale() { return ScaleTransformOperation::create(1, 1, 1, TransformOperation::Scale3D); }
      static Length initialTransformOriginX() { return Length(50.0, Percent); }
      static Length initialTransformOriginY() { return Length(50.0, Percent); }
      static float initialTransformOriginZ() { return 0; }
      static TransformOrigin initialTransformOrigin() { return TransformOrigin(Length(50.0, Percent), Length(50.0, Percent), 0); }
      static EPointerEvents initialPointerEvents() { return PE_AUTO; }
      static ETransformStyle3D initialTransformStyle3D() { return TransformStyle3DFlat; }
      static const StyleMotionPath* initialMotionPath() { return nullptr; }
      static Length initialMotionOffset() { return Length(0, Fixed); }
      static float initialMotionRotation() { return 0; }
      static MotionRotationType initialMotionRotationType() { return MotionRotationAuto; }
      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; }
      static ImageResolutionSnap initialImageResolutionSnap() { return ImageResolutionNoSnap; }
      static float initialImageResolution() { return 1; }
      static StyleImage* initialBorderImageSource() { return 0; }
      static StyleImage* initialMaskBoxImageSource() { return 0; }
      static PrintColorAdjust initialPrintColorAdjust() { return PrintColorAdjustEconomy; }
      static TouchAction initialTouchAction() { return TouchActionAuto; }
      static ShadowList* initialBoxShadow() { return 0; }
      static ShadowList* initialTextShadow() { return 0; }
  	static StyleVariableData* initialVariables() { return nullptr; }
      static ScrollBehavior initialScrollBehavior() { return ScrollBehaviorAuto; }
      static WebScrollBlocksOn initialScrollBlocksOn() { return WebScrollBlocksOnNone; }
      static ScrollSnapType initialScrollSnapType() { return ScrollSnapTypeNone; }
      static ScrollSnapPoints initialScrollSnapPointsX() { return ScrollSnapPoints(); }
      static ScrollSnapPoints initialScrollSnapPointsY() { return ScrollSnapPoints(); }
      static LengthPoint initialScrollSnapDestination() { return LengthPoint(Length(0, Fixed), Length(0, Fixed)); }
      static Vector<LengthPoint> initialScrollSnapCoordinate() { return Vector<LengthPoint>(); }
  
      // The initial value is 'none' for grid tracks.
      static Vector<GridTrackSize> initialGridTemplateColumns() { return Vector<GridTrackSize>(); }
      static Vector<GridTrackSize> initialGridTemplateRows() { return Vector<GridTrackSize>(); }
  
      static GridAutoFlow initialGridAutoFlow() { return AutoFlowRow; }
  
      static GridTrackSize initialGridAutoColumns() { return GridTrackSize(Length(Auto)); }
      static GridTrackSize initialGridAutoRows() { return GridTrackSize(Length(Auto)); }
  
      static NamedGridLinesMap initialNamedGridColumnLines() { return NamedGridLinesMap(); }
      static NamedGridLinesMap initialNamedGridRowLines() { return NamedGridLinesMap(); }
  
      static OrderedNamedGridLines initialOrderedNamedGridColumnLines() { return OrderedNamedGridLines(); }
      static OrderedNamedGridLines initialOrderedNamedGridRowLines() { return OrderedNamedGridLines(); }
  
      static NamedGridAreaMap initialNamedGridArea() { return NamedGridAreaMap(); }
      static size_t initialNamedGridAreaCount() { return 0; }
  
      // 'auto' is the default.
      static GridPosition initialGridColumnStart() { return GridPosition(); }
      static GridPosition initialGridColumnEnd() { return GridPosition(); }
      static GridPosition initialGridRowStart() { return GridPosition(); }
      static GridPosition initialGridRowEnd() { return GridPosition(); }
  
      static TabSize initialTabSize() { return TabSize(8); }
  
      static WrapFlow initialWrapFlow() { return WrapFlowAuto; }
      static WrapThrough initialWrapThrough() { return WrapThroughWrap; }
  
      static QuotesData* initialQuotes() { return 0; }
  
      // Keep these at the end.
      // FIXME: Why? Seems these should all be one big sorted list.
      static LineClampValue initialLineClamp() { return LineClampValue(); }
      static ETextSecurity initialTextSecurity() { return TSNONE; }
      static Color initialTapHighlightColor();
  #if ENABLE(OILPAN)
      static const FilterOperations& initialFilter();
  #else
      static const FilterOperations& initialFilter() { DEFINE_STATIC_LOCAL(FilterOperations, ops, ()); return ops; }
  #endif
      static WebBlendMode initialBlendMode() { return WebBlendModeNormal; }
      static EIsolation initialIsolation() { return IsolationAuto; }
  private:
      void setVisitedLinkColor(const Color&);
      void setVisitedLinkBackgroundColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBackgroundColor, v); }
      void setVisitedLinkBorderLeftColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderLeftColor, v); }
      void setVisitedLinkBorderRightColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderRightColor, v); }
      void setVisitedLinkBorderBottomColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderBottomColor, v); }
      void setVisitedLinkBorderTopColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderTopColor, v); }
      void setVisitedLinkOutlineColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkOutlineColor, v); }
      void setVisitedLinkColumnRuleColor(const StyleColor& v) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_visitedLinkColumnRuleColor, v); }
      void setVisitedLinkTextDecorationColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkTextDecorationColor, v); }
      void setVisitedLinkTextEmphasisColor(const StyleColor& v) { SET_VAR_WITH_SETTER(rareInheritedData, visitedLinkTextEmphasisColor, setVisitedLinkTextEmphasisColor, v); }
      void setVisitedLinkTextFillColor(const StyleColor& v) { SET_VAR_WITH_SETTER(rareInheritedData, visitedLinkTextFillColor, setVisitedLinkTextFillColor, v); }
      void setVisitedLinkTextStrokeColor(const StyleColor& v) { SET_VAR_WITH_SETTER(rareInheritedData, visitedLinkTextStrokeColor, setVisitedLinkTextStrokeColor, v); }
  
      void inheritUnicodeBidiFrom(const ComputedStyle& parent) { noninherited_flags.unicodeBidi = parent.noninherited_flags.unicodeBidi; }
  
      bool isDisplayFlexibleBox(EDisplay display) const
      {
          return display == FLEX || display == INLINE_FLEX;
      }
  
      bool isDisplayGridBox(EDisplay display) const
      {
          return display == GRID || display == INLINE_GRID;
      }
  
      bool isDisplayReplacedType(EDisplay display) const
      {
          return display == INLINE_BLOCK || display == INLINE_BOX || display == INLINE_FLEX
              || display == INLINE_TABLE || display == INLINE_GRID;
      }
  
      bool isDisplayInlineType(EDisplay display) const
      {
          return display == INLINE || isDisplayReplacedType(display);
      }
  
      // Color accessors are all private to make sure callers use visitedDependentColor instead to access them.
      StyleColor borderLeftColor() const { return surround->border.left().color(); }
      StyleColor borderRightColor() const { return surround->border.right().color(); }
      StyleColor borderTopColor() const { return surround->border.top().color(); }
      StyleColor borderBottomColor() const { return surround->border.bottom().color(); }
      StyleColor backgroundColor() const { return m_background->color(); }
      Color color() const;
      StyleColor columnRuleColor() const { return rareNonInheritedData->m_multiCol->m_rule.color(); }
      StyleColor outlineColor() const { return m_background->outline().color(); }
      StyleColor textEmphasisColor() const { return rareInheritedData->textEmphasisColor(); }
      StyleColor textFillColor() const { return rareInheritedData->textFillColor(); }
      StyleColor textStrokeColor() const { return rareInheritedData->textStrokeColor(); }
      Color visitedLinkColor() const;
      StyleColor visitedLinkBackgroundColor() const { return rareNonInheritedData->m_visitedLinkBackgroundColor; }
      StyleColor visitedLinkBorderLeftColor() const { return rareNonInheritedData->m_visitedLinkBorderLeftColor; }
      StyleColor visitedLinkBorderRightColor() const { return rareNonInheritedData->m_visitedLinkBorderRightColor; }
      StyleColor visitedLinkBorderBottomColor() const { return rareNonInheritedData->m_visitedLinkBorderBottomColor; }
      StyleColor visitedLinkBorderTopColor() const { return rareNonInheritedData->m_visitedLinkBorderTopColor; }
      StyleColor visitedLinkOutlineColor() const { return rareNonInheritedData->m_visitedLinkOutlineColor; }
      StyleColor visitedLinkColumnRuleColor() const { return rareNonInheritedData->m_multiCol->m_visitedLinkColumnRuleColor; }
      StyleColor textDecorationColor() const { return rareNonInheritedData->m_textDecorationColor; }
      StyleColor visitedLinkTextDecorationColor() const { return rareNonInheritedData->m_visitedLinkTextDecorationColor; }
      StyleColor visitedLinkTextEmphasisColor() const { return rareInheritedData->visitedLinkTextEmphasisColor(); }
      StyleColor visitedLinkTextFillColor() const { return rareInheritedData->visitedLinkTextFillColor(); }
      StyleColor visitedLinkTextStrokeColor() const { return rareInheritedData->visitedLinkTextStrokeColor(); }
  
      StyleColor decorationColorIncludingFallback(bool visitedLink) const;
      Color colorIncludingFallback(int colorProperty, bool visitedLink) const;
  
      Color stopColor() const { return svgStyle().stopColor(); }
      Color floodColor() const { return svgStyle().floodColor(); }
      Color lightingColor() const { return svgStyle().lightingColor(); }
  
      void appendContent(PassOwnPtr<ContentData>);
      void addAppliedTextDecoration(const AppliedTextDecoration&);
      void applyMotionPathTransform(float originX, float originY, TransformationMatrix&) const;
  
      bool diffNeedsFullLayoutAndPaintInvalidation(const ComputedStyle& other) const;
      bool diffNeedsFullLayout(const ComputedStyle& other) const;
      bool diffNeedsPaintInvalidationLayer(const ComputedStyle& other) const;
      bool diffNeedsPaintInvalidationObject(const ComputedStyle& other) const;
      void updatePropertySpecificDifferences(const ComputedStyle& other, StyleDifference&) const;
  
      bool requireTransformOrigin(ApplyTransformOrigin applyOrigin, ApplyMotionPath) const;
  };
  
  // FIXME: Reduce/remove the dependency on zoom adjusted int values.
  // The float or LayoutUnit versions of layout values should be used.
  inline int adjustForAbsoluteZoom(int value, float zoomFactor)
  {
      if (zoomFactor == 1)
          return value;
      // Needed because computeLengthInt truncates (rather than rounds) when scaling up.
      float fvalue = value;
      if (zoomFactor > 1) {
          if (value < 0)
              fvalue -= 0.5f;
          else
              fvalue += 0.5f;
      }
  
      return roundForImpreciseConversion<int>(fvalue / zoomFactor);
  }
  
  inline int adjustForAbsoluteZoom(int value, const ComputedStyle* style)
  {
      return adjustForAbsoluteZoom(value, style->effectiveZoom());
  }
  
  inline float adjustFloatForAbsoluteZoom(float value, const ComputedStyle& style)
  {
      return value / style.effectiveZoom();
  }
  
  inline double adjustDoubleForAbsoluteZoom(double value, const ComputedStyle& style)
  {
      return value / style.effectiveZoom();
  }
  
  inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, const ComputedStyle& style)
  {
      return value / style.effectiveZoom();
  }
  
  inline double adjustScrollForAbsoluteZoom(double scrollOffset, float zoomFactor)
  {
      return scrollOffset / zoomFactor;
  }
  
  inline double adjustScrollForAbsoluteZoom(double scrollOffset, const ComputedStyle& style)
  {
      return adjustScrollForAbsoluteZoom(scrollOffset, style.effectiveZoom());
  }
  
  inline bool ComputedStyle::setZoom(float f)
  {
      if (compareEqual(visual->m_zoom, f))
          return false;
      visual.access()->m_zoom = f;
      setEffectiveZoom(effectiveZoom() * zoom());
      return true;
  }
  
  inline bool ComputedStyle::setEffectiveZoom(float f)
  {
      // Clamp the effective zoom value to a smaller (but hopeful still large
      // enough) range, to avoid overflow in derived computations.
      float clampedEffectiveZoom = clampTo<float>(f, 1e-6, 1e6);
      if (compareEqual(rareInheritedData->m_effectiveZoom, clampedEffectiveZoom))
          return false;
      rareInheritedData.access()->m_effectiveZoom = clampedEffectiveZoom;
      return true;
  }
  
  inline bool ComputedStyle::isSharable() const
  {
      if (unique())
          return false;
      if (hasUniquePseudoStyle())
          return false;
      return true;
  }
  
  inline bool ComputedStyle::setTextOrientation(TextOrientation textOrientation)
  {
      if (compareEqual(rareInheritedData->m_textOrientation, textOrientation))
          return false;
  
      rareInheritedData.access()->m_textOrientation = textOrientation;
      return true;
  }
  
  inline bool ComputedStyle::hasAnyPublicPseudoStyles() const
  {
      return PUBLIC_PSEUDOID_MASK & noninherited_flags.pseudoBits;
  }
  
  inline bool ComputedStyle::hasPseudoStyle(PseudoId pseudo) const
  {
      ASSERT(pseudo > NOPSEUDO);
      ASSERT(pseudo < FIRST_INTERNAL_PSEUDOID);
      return (1 << (pseudo - 1)) & noninherited_flags.pseudoBits;
  }
  
  inline void ComputedStyle::setHasPseudoStyle(PseudoId pseudo)
  {
      ASSERT(pseudo > NOPSEUDO);
      ASSERT(pseudo < FIRST_INTERNAL_PSEUDOID);
      noninherited_flags.pseudoBits |= 1 << (pseudo - 1);
  }
  
  inline bool ComputedStyle::hasPseudoElementStyle() const
  {
      return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
  }
  
  } // namespace blink
  
  #endif // ComputedStyle_h
  