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      1 /*
      2  * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
      6  * Copyright (C) 2006 Graham Dennis (graham.dennis (at) gmail.com)
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #ifndef RenderStyle_h
     26 #define RenderStyle_h
     27 
     28 #include "CSSPropertyNames.h"
     29 #include "core/css/CSSLineBoxContainValue.h"
     30 #include "core/css/CSSPrimitiveValue.h"
     31 #include "core/css/LengthFunctions.h"
     32 #include "core/css/StyleColor.h"
     33 #include "core/platform/Length.h"
     34 #include "core/platform/LengthBox.h"
     35 #include "core/platform/LengthSize.h"
     36 #include "core/platform/ThemeTypes.h"
     37 #include "core/platform/animation/CSSAnimationDataList.h"
     38 #include "core/platform/graphics/Color.h"
     39 #include "core/platform/graphics/FontBaseline.h"
     40 #include "core/platform/graphics/FontDescription.h"
     41 #include "core/platform/graphics/GraphicsTypes.h"
     42 #include "core/platform/graphics/LayoutBoxExtent.h"
     43 #include "core/platform/graphics/RoundedRect.h"
     44 #include "core/platform/graphics/transforms/TransformOperations.h"
     45 #include "core/platform/text/TextDirection.h"
     46 #include "core/platform/text/UnicodeBidi.h"
     47 #include "core/rendering/style/BorderValue.h"
     48 #include "core/rendering/style/CounterDirectives.h"
     49 #include "core/rendering/style/DataRef.h"
     50 #include "core/rendering/style/LineClampValue.h"
     51 #include "core/rendering/style/NinePieceImage.h"
     52 #include "core/rendering/style/OutlineValue.h"
     53 #include "core/rendering/style/RenderStyleConstants.h"
     54 #include "core/rendering/style/SVGRenderStyle.h"
     55 #include "core/rendering/style/ShadowData.h"
     56 #include "core/rendering/style/ShapeValue.h"
     57 #include "core/rendering/style/StyleBackgroundData.h"
     58 #include "core/rendering/style/StyleBoxData.h"
     59 #include "core/rendering/style/StyleDeprecatedFlexibleBoxData.h"
     60 #include "core/rendering/style/StyleFilterData.h"
     61 #include "core/rendering/style/StyleFlexibleBoxData.h"
     62 #include "core/rendering/style/StyleGridData.h"
     63 #include "core/rendering/style/StyleGridItemData.h"
     64 #include "core/rendering/style/StyleMarqueeData.h"
     65 #include "core/rendering/style/StyleMultiColData.h"
     66 #include "core/rendering/style/StyleRareInheritedData.h"
     67 #include "core/rendering/style/StyleRareNonInheritedData.h"
     68 #include "core/rendering/style/StyleReflection.h"
     69 #include "core/rendering/style/StyleSurroundData.h"
     70 #include "core/rendering/style/StyleTransformData.h"
     71 #include "core/rendering/style/StyleVisualData.h"
     72 #include "core/svg/SVGPaint.h"
     73 #include "wtf/Forward.h"
     74 #include "wtf/OwnPtr.h"
     75 #include "wtf/RefCounted.h"
     76 #include "wtf/StdLibExtras.h"
     77 #include "wtf/Vector.h"
     78 
     79 template<typename T, typename U> inline bool compareEqual(const T& t, const U& u) { return t == static_cast<T>(u); }
     80 
     81 #define SET_VAR(group, variable, value) \
     82     if (!compareEqual(group->variable, value)) \
     83         group.access()->variable = value
     84 
     85 #define SET_BORDERVALUE_COLOR(group, variable, value) \
     86     if (!compareEqual(group->variable.color(), value)) \
     87         group.access()->variable.setColor(value)
     88 
     89 namespace WebCore {
     90 
     91 using std::max;
     92 
     93 class FilterOperations;
     94 
     95 class BorderData;
     96 class CounterContent;
     97 class CursorList;
     98 class Font;
     99 class FontMetrics;
    100 class IntRect;
    101 class Pair;
    102 class ShadowData;
    103 class StyleImage;
    104 class StyleInheritedData;
    105 class StyleResolver;
    106 class TransformationMatrix;
    107 
    108 class ContentData;
    109 
    110 typedef Vector<RefPtr<RenderStyle>, 4> PseudoStyleCache;
    111 
    112 class RenderStyle: public RefCounted<RenderStyle> {
    113     friend class CSSPropertyAnimation; // Used by CSS animations. We can't allow them to animate based off visited colors.
    114     friend class ApplyStyleCommand; // Editing has to only reveal unvisited info.
    115     friend class EditingStyle; // Editing has to only reveal unvisited info.
    116     friend class CSSComputedStyleDeclaration; // Ignores visited styles, so needs to be able to see unvisited info.
    117     friend class PropertyWrapperMaybeInvalidColor; // Used by CSS animations. We can't allow them to animate based off visited colors.
    118     friend class StyleBuilderFunctions; // Sets color styles
    119     friend class StyleBuilder; // FIXME: Revove this! StyleBuilder::oldApplyProperty reads color().
    120     friend class StyleResolver; // Sets members directly.
    121     friend class CachedUAStyle; // Saves Border/Background information for later comparison.
    122 protected:
    123 
    124     // non-inherited attributes
    125     DataRef<StyleBoxData> m_box;
    126     DataRef<StyleVisualData> visual;
    127     DataRef<StyleBackgroundData> m_background;
    128     DataRef<StyleSurroundData> surround;
    129     DataRef<StyleRareNonInheritedData> rareNonInheritedData;
    130 
    131     // inherited attributes
    132     DataRef<StyleRareInheritedData> rareInheritedData;
    133     DataRef<StyleInheritedData> inherited;
    134 
    135     // list of associated pseudo styles
    136     OwnPtr<PseudoStyleCache> m_cachedPseudoStyles;
    137 
    138     DataRef<SVGRenderStyle> m_svgStyle;
    139 
    140 // !START SYNC!: Keep this in sync with the copy constructor in RenderStyle.cpp and implicitlyInherited() in StyleResolver.cpp
    141 
    142     // inherit
    143     struct InheritedFlags {
    144         bool operator==(const InheritedFlags& other) const
    145         {
    146             return (_empty_cells == other._empty_cells)
    147                 && (_caption_side == other._caption_side)
    148                 && (_list_style_type == other._list_style_type)
    149                 && (_list_style_position == other._list_style_position)
    150                 && (_visibility == other._visibility)
    151                 && (_text_align == other._text_align)
    152                 && (_text_transform == other._text_transform)
    153                 && (_text_decorations == other._text_decorations)
    154                 && (_cursor_style == other._cursor_style)
    155                 && (_direction == other._direction)
    156                 && (_white_space == other._white_space)
    157                 && (_border_collapse == other._border_collapse)
    158                 && (_box_direction == other._box_direction)
    159                 && (m_rtlOrdering == other.m_rtlOrdering)
    160                 && (m_printColorAdjust == other.m_printColorAdjust)
    161                 && (_pointerEvents == other._pointerEvents)
    162                 && (_insideLink == other._insideLink)
    163                 && (m_writingMode == other.m_writingMode);
    164         }
    165 
    166         bool operator!=(const InheritedFlags& other) const { return !(*this == other); }
    167 
    168         unsigned _empty_cells : 1; // EEmptyCell
    169         unsigned _caption_side : 2; // ECaptionSide
    170         unsigned _list_style_type : 7; // EListStyleType
    171         unsigned _list_style_position : 1; // EListStylePosition
    172         unsigned _visibility : 2; // EVisibility
    173         unsigned _text_align : 4; // ETextAlign
    174         unsigned _text_transform : 2; // ETextTransform
    175         unsigned _text_decorations : TextDecorationBits;
    176         unsigned _cursor_style : 6; // ECursor
    177         unsigned _direction : 1; // TextDirection
    178         unsigned _white_space : 3; // EWhiteSpace
    179         // 32 bits
    180         unsigned _border_collapse : 1; // EBorderCollapse
    181         unsigned _box_direction : 1; // EBoxDirection (CSS3 box_direction property, flexible box layout module)
    182 
    183         // non CSS2 inherited
    184         unsigned m_rtlOrdering : 1; // Order
    185         unsigned m_printColorAdjust : PrintColorAdjustBits;
    186         unsigned _pointerEvents : 4; // EPointerEvents
    187         unsigned _insideLink : 2; // EInsideLink
    188         // 43 bits
    189 
    190         // CSS Text Layout Module Level 3: Vertical writing support
    191         unsigned m_writingMode : 2; // WritingMode
    192         // 45 bits
    193     } inherited_flags;
    194 
    195 // don't inherit
    196     struct NonInheritedFlags {
    197         bool operator==(const NonInheritedFlags& other) const
    198         {
    199             return _effectiveDisplay == other._effectiveDisplay
    200                 && _originalDisplay == other._originalDisplay
    201                 && _overflowX == other._overflowX
    202                 && _overflowY == other._overflowY
    203                 && _vertical_align == other._vertical_align
    204                 && _clear == other._clear
    205                 && _position == other._position
    206                 && _floating == other._floating
    207                 && _table_layout == other._table_layout
    208                 && _page_break_before == other._page_break_before
    209                 && _page_break_after == other._page_break_after
    210                 && _page_break_inside == other._page_break_inside
    211                 && _styleType == other._styleType
    212                 && _affectedByHover == other._affectedByHover
    213                 && _affectedByActive == other._affectedByActive
    214                 && _affectedByDrag == other._affectedByDrag
    215                 && _pseudoBits == other._pseudoBits
    216                 && _unicodeBidi == other._unicodeBidi
    217                 && explicitInheritance == other.explicitInheritance
    218                 && unique == other.unique
    219                 && emptyState == other.emptyState
    220                 && firstChildState == other.firstChildState
    221                 && lastChildState == other.lastChildState
    222                 && _isLink == other._isLink;
    223         }
    224 
    225         bool operator!=(const NonInheritedFlags& other) const { return !(*this == other); }
    226 
    227         unsigned _effectiveDisplay : 5; // EDisplay
    228         unsigned _originalDisplay : 5; // EDisplay
    229         unsigned _overflowX : 3; // EOverflow
    230         unsigned _overflowY : 3; // EOverflow
    231         unsigned _vertical_align : 4; // EVerticalAlign
    232         unsigned _clear : 2; // EClear
    233         unsigned _position : 3; // EPosition
    234         unsigned _floating : 2; // EFloat
    235         unsigned _table_layout : 1; // ETableLayout
    236 
    237         unsigned _unicodeBidi : 3; // EUnicodeBidi
    238         // 31 bits
    239         unsigned _page_break_before : 2; // EPageBreak
    240         unsigned _page_break_after : 2; // EPageBreak
    241         unsigned _page_break_inside : 2; // EPageBreak
    242 
    243         unsigned _styleType : 6; // PseudoId
    244         unsigned _pseudoBits : 8;
    245         unsigned explicitInheritance : 1; // Explicitly inherits a non-inherited property
    246         unsigned unique : 1; // Style can not be shared.
    247         unsigned emptyState : 1;
    248         unsigned firstChildState : 1;
    249         unsigned lastChildState : 1;
    250 
    251         bool affectedByHover() const { return _affectedByHover; }
    252         void setAffectedByHover(bool value) { _affectedByHover = value; }
    253         bool affectedByActive() const { return _affectedByActive; }
    254         void setAffectedByActive(bool value) { _affectedByActive = value; }
    255         bool affectedByDrag() const { return _affectedByDrag; }
    256         void setAffectedByDrag(bool value) { _affectedByDrag = value; }
    257         bool isLink() const { return _isLink; }
    258         void setIsLink(bool value) { _isLink = value; }
    259     private:
    260         unsigned _affectedByHover : 1;
    261         unsigned _affectedByActive : 1;
    262         unsigned _affectedByDrag : 1;
    263         unsigned _isLink : 1;
    264         // If you add more style bits here, you will also need to update RenderStyle::copyNonInheritedFrom()
    265         // 61 bits
    266     } noninherited_flags;
    267 
    268 // !END SYNC!
    269 
    270 protected:
    271     void setBitDefaults()
    272     {
    273         inherited_flags._empty_cells = initialEmptyCells();
    274         inherited_flags._caption_side = initialCaptionSide();
    275         inherited_flags._list_style_type = initialListStyleType();
    276         inherited_flags._list_style_position = initialListStylePosition();
    277         inherited_flags._visibility = initialVisibility();
    278         inherited_flags._text_align = initialTextAlign();
    279         inherited_flags._text_transform = initialTextTransform();
    280         inherited_flags._text_decorations = initialTextDecoration();
    281         inherited_flags._cursor_style = initialCursor();
    282         inherited_flags._direction = initialDirection();
    283         inherited_flags._white_space = initialWhiteSpace();
    284         inherited_flags._border_collapse = initialBorderCollapse();
    285         inherited_flags.m_rtlOrdering = initialRTLOrdering();
    286         inherited_flags._box_direction = initialBoxDirection();
    287         inherited_flags.m_printColorAdjust = initialPrintColorAdjust();
    288         inherited_flags._pointerEvents = initialPointerEvents();
    289         inherited_flags._insideLink = NotInsideLink;
    290         inherited_flags.m_writingMode = initialWritingMode();
    291 
    292         noninherited_flags._effectiveDisplay = noninherited_flags._originalDisplay = initialDisplay();
    293         noninherited_flags._overflowX = initialOverflowX();
    294         noninherited_flags._overflowY = initialOverflowY();
    295         noninherited_flags._vertical_align = initialVerticalAlign();
    296         noninherited_flags._clear = initialClear();
    297         noninherited_flags._position = initialPosition();
    298         noninherited_flags._floating = initialFloating();
    299         noninherited_flags._table_layout = initialTableLayout();
    300         noninherited_flags._unicodeBidi = initialUnicodeBidi();
    301         noninherited_flags._page_break_before = initialPageBreak();
    302         noninherited_flags._page_break_after = initialPageBreak();
    303         noninherited_flags._page_break_inside = initialPageBreak();
    304         noninherited_flags._styleType = NOPSEUDO;
    305         noninherited_flags._pseudoBits = 0;
    306         noninherited_flags.explicitInheritance = false;
    307         noninherited_flags.unique = false;
    308         noninherited_flags.emptyState = false;
    309         noninherited_flags.firstChildState = false;
    310         noninherited_flags.lastChildState = false;
    311         noninherited_flags.setAffectedByHover(false);
    312         noninherited_flags.setAffectedByActive(false);
    313         noninherited_flags.setAffectedByDrag(false);
    314         noninherited_flags.setIsLink(false);
    315     }
    316 
    317 private:
    318     ALWAYS_INLINE RenderStyle();
    319     // used to create the default style.
    320     ALWAYS_INLINE RenderStyle(bool);
    321     ALWAYS_INLINE RenderStyle(const RenderStyle&);
    322 
    323 public:
    324     static PassRefPtr<RenderStyle> create();
    325     static PassRefPtr<RenderStyle> createDefaultStyle();
    326     static PassRefPtr<RenderStyle> createAnonymousStyleWithDisplay(const RenderStyle* parentStyle, EDisplay);
    327     static PassRefPtr<RenderStyle> clone(const RenderStyle*);
    328 
    329     enum IsAtShadowBoundary {
    330         AtShadowBoundary,
    331         NotAtShadowBoundary,
    332     };
    333 
    334     void inheritFrom(const RenderStyle* inheritParent, IsAtShadowBoundary = NotAtShadowBoundary);
    335     void copyNonInheritedFrom(const RenderStyle*);
    336 
    337     PseudoId styleType() const { return static_cast<PseudoId>(noninherited_flags._styleType); }
    338     void setStyleType(PseudoId styleType) { noninherited_flags._styleType = styleType; }
    339 
    340     RenderStyle* getCachedPseudoStyle(PseudoId) const;
    341     RenderStyle* addCachedPseudoStyle(PassRefPtr<RenderStyle>);
    342     void removeCachedPseudoStyle(PseudoId);
    343 
    344     const PseudoStyleCache* cachedPseudoStyles() const { return m_cachedPseudoStyles.get(); }
    345 
    346     void setVariable(const AtomicString& name, const String& value) { rareInheritedData.access()->m_variables.access()->setVariable(name, value); }
    347     const HashMap<AtomicString, String>* variables() { return &(rareInheritedData->m_variables->m_data); }
    348 
    349     bool affectedByHover() const { return noninherited_flags.affectedByHover(); }
    350     bool affectedByActive() const { return noninherited_flags.affectedByActive(); }
    351     bool affectedByDrag() const { return noninherited_flags.affectedByDrag(); }
    352 
    353     void setAffectedByHover() { noninherited_flags.setAffectedByHover(true); }
    354     void setAffectedByActive() { noninherited_flags.setAffectedByActive(true); }
    355     void setAffectedByDrag() { noninherited_flags.setAffectedByDrag(true); }
    356 
    357     bool operator==(const RenderStyle& other) const;
    358     bool operator!=(const RenderStyle& other) const { return !(*this == other); }
    359     bool isFloating() const { return noninherited_flags._floating != NoFloat; }
    360     bool hasMargin() const { return surround->margin.nonZero(); }
    361     bool hasBorder() const { return surround->border.hasBorder(); }
    362     bool hasPadding() const { return surround->padding.nonZero(); }
    363     bool hasOffset() const { return surround->offset.nonZero(); }
    364     bool hasMarginBeforeQuirk() const { return marginBefore().quirk(); }
    365     bool hasMarginAfterQuirk() const { return marginAfter().quirk(); }
    366 
    367     bool hasBackgroundImage() const { return m_background->background().hasImage(); }
    368     bool hasFixedBackgroundImage() const { return m_background->background().hasFixedImage(); }
    369 
    370     bool hasEntirelyFixedBackground() const;
    371 
    372     bool hasAppearance() const { return appearance() != NoControlPart; }
    373 
    374     bool hasBackground() const
    375     {
    376         StyleColor color = visitedDependentColor(CSSPropertyBackgroundColor);
    377         if ((color.isValid() && color.alpha()) || color.isCurrentColor())
    378             return true;
    379         return hasBackgroundImage();
    380     }
    381 
    382     LayoutBoxExtent imageOutsets(const NinePieceImage&) const;
    383     bool hasBorderImageOutsets() const
    384     {
    385         return borderImage().hasImage() && borderImage().outset().nonZero();
    386     }
    387     LayoutBoxExtent borderImageOutsets() const
    388     {
    389         return imageOutsets(borderImage());
    390     }
    391 
    392     LayoutBoxExtent maskBoxImageOutsets() const
    393     {
    394         return imageOutsets(maskBoxImage());
    395     }
    396 
    397     bool hasFilterOutsets() const { return hasFilter() && filter().hasOutsets(); }
    398     FilterOutsets filterOutsets() const { return hasFilter() ? filter().outsets() : FilterOutsets(); }
    399 
    400     Order rtlOrdering() const { return static_cast<Order>(inherited_flags.m_rtlOrdering); }
    401     void setRTLOrdering(Order o) { inherited_flags.m_rtlOrdering = o; }
    402 
    403     bool isStyleAvailable() const;
    404 
    405     bool hasAnyPublicPseudoStyles() const;
    406     bool hasPseudoStyle(PseudoId pseudo) const;
    407     void setHasPseudoStyle(PseudoId pseudo);
    408     bool hasUniquePseudoStyle() const;
    409 
    410     // attribute getter methods
    411 
    412     EDisplay display() const { return static_cast<EDisplay>(noninherited_flags._effectiveDisplay); }
    413     EDisplay originalDisplay() const { return static_cast<EDisplay>(noninherited_flags._originalDisplay); }
    414 
    415     Length left() const { return surround->offset.left(); }
    416     Length right() const { return surround->offset.right(); }
    417     Length top() const { return surround->offset.top(); }
    418     Length bottom() const { return surround->offset.bottom(); }
    419 
    420     // Accessors for positioned object edges that take into account writing mode.
    421     Length logicalLeft() const { return surround->offset.logicalLeft(writingMode()); }
    422     Length logicalRight() const { return surround->offset.logicalRight(writingMode()); }
    423     Length logicalTop() const { return surround->offset.before(writingMode()); }
    424     Length logicalBottom() const { return surround->offset.after(writingMode()); }
    425 
    426     // Whether or not a positioned element requires normal flow x/y to be computed
    427     // to determine its position.
    428     bool hasAutoLeftAndRight() const { return left().isAuto() && right().isAuto(); }
    429     bool hasAutoTopAndBottom() const { return top().isAuto() && bottom().isAuto(); }
    430     bool hasStaticInlinePosition(bool horizontal) const { return horizontal ? hasAutoLeftAndRight() : hasAutoTopAndBottom(); }
    431     bool hasStaticBlockPosition(bool horizontal) const { return horizontal ? hasAutoTopAndBottom() : hasAutoLeftAndRight(); }
    432 
    433     EPosition position() const { return static_cast<EPosition>(noninherited_flags._position); }
    434     bool hasOutOfFlowPosition() const { return position() == AbsolutePosition || position() == FixedPosition; }
    435     bool hasInFlowPosition() const { return position() == RelativePosition || position() == StickyPosition; }
    436     bool hasViewportConstrainedPosition() const { return position() == FixedPosition || position() == StickyPosition; }
    437     EFloat floating() const { return static_cast<EFloat>(noninherited_flags._floating); }
    438 
    439     Length width() const { return m_box->width(); }
    440     Length height() const { return m_box->height(); }
    441     Length minWidth() const { return m_box->minWidth(); }
    442     Length maxWidth() const { return m_box->maxWidth(); }
    443     Length minHeight() const { return m_box->minHeight(); }
    444     Length maxHeight() const { return m_box->maxHeight(); }
    445 
    446     Length logicalWidth() const { return isHorizontalWritingMode() ? width() : height(); }
    447     Length logicalHeight() const { return isHorizontalWritingMode() ? height() : width(); }
    448     Length logicalMinWidth() const { return isHorizontalWritingMode() ? minWidth() : minHeight(); }
    449     Length logicalMaxWidth() const { return isHorizontalWritingMode() ? maxWidth() : maxHeight(); }
    450     Length logicalMinHeight() const { return isHorizontalWritingMode() ? minHeight() : minWidth(); }
    451     Length logicalMaxHeight() const { return isHorizontalWritingMode() ? maxHeight() : maxWidth(); }
    452 
    453     const BorderData& border() const { return surround->border; }
    454     const BorderValue& borderLeft() const { return surround->border.left(); }
    455     const BorderValue& borderRight() const { return surround->border.right(); }
    456     const BorderValue& borderTop() const { return surround->border.top(); }
    457     const BorderValue& borderBottom() const { return surround->border.bottom(); }
    458 
    459     const BorderValue& borderBefore() const;
    460     const BorderValue& borderAfter() const;
    461     const BorderValue& borderStart() const;
    462     const BorderValue& borderEnd() const;
    463 
    464     const NinePieceImage& borderImage() const { return surround->border.image(); }
    465     StyleImage* borderImageSource() const { return surround->border.image().image(); }
    466     LengthBox borderImageSlices() const { return surround->border.image().imageSlices(); }
    467     LengthBox borderImageWidth() const { return surround->border.image().borderSlices(); }
    468     LengthBox borderImageOutset() const { return surround->border.image().outset(); }
    469 
    470     LengthSize borderTopLeftRadius() const { return surround->border.topLeft(); }
    471     LengthSize borderTopRightRadius() const { return surround->border.topRight(); }
    472     LengthSize borderBottomLeftRadius() const { return surround->border.bottomLeft(); }
    473     LengthSize borderBottomRightRadius() const { return surround->border.bottomRight(); }
    474     bool hasBorderRadius() const { return surround->border.hasBorderRadius(); }
    475 
    476     unsigned borderLeftWidth() const { return surround->border.borderLeftWidth(); }
    477     EBorderStyle borderLeftStyle() const { return surround->border.left().style(); }
    478     bool borderLeftIsTransparent() const { return surround->border.left().isTransparent(); }
    479     unsigned borderRightWidth() const { return surround->border.borderRightWidth(); }
    480     EBorderStyle borderRightStyle() const { return surround->border.right().style(); }
    481     bool borderRightIsTransparent() const { return surround->border.right().isTransparent(); }
    482     unsigned borderTopWidth() const { return surround->border.borderTopWidth(); }
    483     EBorderStyle borderTopStyle() const { return surround->border.top().style(); }
    484     bool borderTopIsTransparent() const { return surround->border.top().isTransparent(); }
    485     unsigned borderBottomWidth() const { return surround->border.borderBottomWidth(); }
    486     EBorderStyle borderBottomStyle() const { return surround->border.bottom().style(); }
    487     bool borderBottomIsTransparent() const { return surround->border.bottom().isTransparent(); }
    488 
    489     unsigned short borderBeforeWidth() const;
    490     unsigned short borderAfterWidth() const;
    491     unsigned short borderStartWidth() const;
    492     unsigned short borderEndWidth() const;
    493 
    494     unsigned short outlineSize() const { return max(0, outlineWidth() + outlineOffset()); }
    495     unsigned short outlineWidth() const
    496     {
    497         if (m_background->outline().style() == BNONE)
    498             return 0;
    499         return m_background->outline().width();
    500     }
    501     bool hasOutline() const { return outlineWidth() > 0 && outlineStyle() > BHIDDEN; }
    502     EBorderStyle outlineStyle() const { return m_background->outline().style(); }
    503     OutlineIsAuto outlineStyleIsAuto() const { return static_cast<OutlineIsAuto>(m_background->outline().isAuto()); }
    504 
    505     EOverflow overflowX() const { return static_cast<EOverflow>(noninherited_flags._overflowX); }
    506     EOverflow overflowY() const { return static_cast<EOverflow>(noninherited_flags._overflowY); }
    507 
    508     EVisibility visibility() const { return static_cast<EVisibility>(inherited_flags._visibility); }
    509     EVerticalAlign verticalAlign() const { return static_cast<EVerticalAlign>(noninherited_flags._vertical_align); }
    510     Length verticalAlignLength() const { return m_box->verticalAlign(); }
    511 
    512     Length clipLeft() const { return visual->clip.left(); }
    513     Length clipRight() const { return visual->clip.right(); }
    514     Length clipTop() const { return visual->clip.top(); }
    515     Length clipBottom() const { return visual->clip.bottom(); }
    516     LengthBox clip() const { return visual->clip; }
    517     bool hasClip() const { return visual->hasClip; }
    518 
    519     EUnicodeBidi unicodeBidi() const { return static_cast<EUnicodeBidi>(noninherited_flags._unicodeBidi); }
    520 
    521     EClear clear() const { return static_cast<EClear>(noninherited_flags._clear); }
    522     ETableLayout tableLayout() const { return static_cast<ETableLayout>(noninherited_flags._table_layout); }
    523 
    524     const Font& font() const;
    525     const FontMetrics& fontMetrics() const;
    526     const FontDescription& fontDescription() const;
    527     float specifiedFontSize() const;
    528     float computedFontSize() const;
    529     int fontSize() const;
    530 
    531     float textAutosizingMultiplier() const { return visual->m_textAutosizingMultiplier; }
    532 
    533     Length textIndent() const { return rareInheritedData->indent; }
    534 #if ENABLE(CSS3_TEXT)
    535     TextIndentLine textIndentLine() const { return static_cast<TextIndentLine>(rareInheritedData->m_textIndentLine); }
    536 #endif
    537     ETextAlign textAlign() const { return static_cast<ETextAlign>(inherited_flags._text_align); }
    538     TextAlignLast textAlignLast() const { return static_cast<TextAlignLast>(rareInheritedData->m_textAlignLast); }
    539     ETextTransform textTransform() const { return static_cast<ETextTransform>(inherited_flags._text_transform); }
    540     TextDecoration textDecorationsInEffect() const { return static_cast<TextDecoration>(inherited_flags._text_decorations); }
    541     TextDecoration textDecoration() const { return static_cast<TextDecoration>(visual->textDecoration); }
    542 #if ENABLE(CSS3_TEXT)
    543     TextUnderlinePosition textUnderlinePosition() const { return static_cast<TextUnderlinePosition>(rareInheritedData->m_textUnderlinePosition); }
    544 #endif // CSS3_TEXT
    545     TextDecorationStyle textDecorationStyle() const { return static_cast<TextDecorationStyle>(rareNonInheritedData->m_textDecorationStyle); }
    546     float wordSpacing() const;
    547     float letterSpacing() const;
    548 
    549     float zoom() const { return visual->m_zoom; }
    550     float effectiveZoom() const { return rareInheritedData->m_effectiveZoom; }
    551 
    552     TextDirection direction() const { return static_cast<TextDirection>(inherited_flags._direction); }
    553     bool isLeftToRightDirection() const { return direction() == LTR; }
    554 
    555     Length specifiedLineHeight() const;
    556     Length lineHeight() const;
    557     int computedLineHeight(RenderView* = 0) const;
    558 
    559     EWhiteSpace whiteSpace() const { return static_cast<EWhiteSpace>(inherited_flags._white_space); }
    560     static bool autoWrap(EWhiteSpace ws)
    561     {
    562         // Nowrap and pre don't automatically wrap.
    563         return ws != NOWRAP && ws != PRE;
    564     }
    565 
    566     bool autoWrap() const
    567     {
    568         return autoWrap(whiteSpace());
    569     }
    570 
    571     static bool preserveNewline(EWhiteSpace ws)
    572     {
    573         // Normal and nowrap do not preserve newlines.
    574         return ws != NORMAL && ws != NOWRAP;
    575     }
    576 
    577     bool preserveNewline() const
    578     {
    579         return preserveNewline(whiteSpace());
    580     }
    581 
    582     static bool collapseWhiteSpace(EWhiteSpace ws)
    583     {
    584         // Pre and prewrap do not collapse whitespace.
    585         return ws != PRE && ws != PRE_WRAP;
    586     }
    587 
    588     bool collapseWhiteSpace() const
    589     {
    590         return collapseWhiteSpace(whiteSpace());
    591     }
    592 
    593     bool isCollapsibleWhiteSpace(UChar c) const
    594     {
    595         switch (c) {
    596             case ' ':
    597             case '\t':
    598                 return collapseWhiteSpace();
    599             case '\n':
    600                 return !preserveNewline();
    601         }
    602         return false;
    603     }
    604 
    605     bool breakOnlyAfterWhiteSpace() const
    606     {
    607         return whiteSpace() == PRE_WRAP || lineBreak() == LineBreakAfterWhiteSpace;
    608     }
    609 
    610     bool breakWords() const
    611     {
    612         return wordBreak() == BreakWordBreak || overflowWrap() == BreakOverflowWrap;
    613     }
    614 
    615     EFillRepeat backgroundRepeatX() const { return static_cast<EFillRepeat>(m_background->background().repeatX()); }
    616     EFillRepeat backgroundRepeatY() const { return static_cast<EFillRepeat>(m_background->background().repeatY()); }
    617     CompositeOperator backgroundComposite() const { return static_cast<CompositeOperator>(m_background->background().composite()); }
    618     EFillAttachment backgroundAttachment() const { return static_cast<EFillAttachment>(m_background->background().attachment()); }
    619     EFillBox backgroundClip() const { return static_cast<EFillBox>(m_background->background().clip()); }
    620     EFillBox backgroundOrigin() const { return static_cast<EFillBox>(m_background->background().origin()); }
    621     Length backgroundXPosition() const { return m_background->background().xPosition(); }
    622     Length backgroundYPosition() const { return m_background->background().yPosition(); }
    623     EFillSizeType backgroundSizeType() const { return m_background->background().sizeType(); }
    624     LengthSize backgroundSizeLength() const { return m_background->background().sizeLength(); }
    625     FillLayer* accessBackgroundLayers() { return &(m_background.access()->m_background); }
    626     const FillLayer* backgroundLayers() const { return &(m_background->background()); }
    627 
    628     StyleImage* maskImage() const { return rareNonInheritedData->m_mask.image(); }
    629     EFillRepeat maskRepeatX() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.repeatX()); }
    630     EFillRepeat maskRepeatY() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.repeatY()); }
    631     CompositeOperator maskComposite() const { return static_cast<CompositeOperator>(rareNonInheritedData->m_mask.composite()); }
    632     EFillBox maskClip() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.clip()); }
    633     EFillBox maskOrigin() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.origin()); }
    634     Length maskXPosition() const { return rareNonInheritedData->m_mask.xPosition(); }
    635     Length maskYPosition() const { return rareNonInheritedData->m_mask.yPosition(); }
    636     EFillSizeType maskSizeType() const { return rareNonInheritedData->m_mask.sizeType(); }
    637     LengthSize maskSizeLength() const { return rareNonInheritedData->m_mask.sizeLength(); }
    638     FillLayer* accessMaskLayers() { return &(rareNonInheritedData.access()->m_mask); }
    639     const FillLayer* maskLayers() const { return &(rareNonInheritedData->m_mask); }
    640     const NinePieceImage& maskBoxImage() const { return rareNonInheritedData->m_maskBoxImage; }
    641     StyleImage* maskBoxImageSource() const { return rareNonInheritedData->m_maskBoxImage.image(); }
    642 
    643     EBorderCollapse borderCollapse() const { return static_cast<EBorderCollapse>(inherited_flags._border_collapse); }
    644     short horizontalBorderSpacing() const;
    645     short verticalBorderSpacing() const;
    646     EEmptyCell emptyCells() const { return static_cast<EEmptyCell>(inherited_flags._empty_cells); }
    647     ECaptionSide captionSide() const { return static_cast<ECaptionSide>(inherited_flags._caption_side); }
    648 
    649     EListStyleType listStyleType() const { return static_cast<EListStyleType>(inherited_flags._list_style_type); }
    650     StyleImage* listStyleImage() const;
    651     EListStylePosition listStylePosition() const { return static_cast<EListStylePosition>(inherited_flags._list_style_position); }
    652 
    653     Length marginTop() const { return surround->margin.top(); }
    654     Length marginBottom() const { return surround->margin.bottom(); }
    655     Length marginLeft() const { return surround->margin.left(); }
    656     Length marginRight() const { return surround->margin.right(); }
    657     Length marginBefore() const { return surround->margin.before(writingMode()); }
    658     Length marginAfter() const { return surround->margin.after(writingMode()); }
    659     Length marginStart() const { return surround->margin.start(writingMode(), direction()); }
    660     Length marginEnd() const { return surround->margin.end(writingMode(), direction()); }
    661     Length marginStartUsing(const RenderStyle* otherStyle) const { return surround->margin.start(otherStyle->writingMode(), otherStyle->direction()); }
    662     Length marginEndUsing(const RenderStyle* otherStyle) const { return surround->margin.end(otherStyle->writingMode(), otherStyle->direction()); }
    663     Length marginBeforeUsing(const RenderStyle* otherStyle) const { return surround->margin.before(otherStyle->writingMode()); }
    664     Length marginAfterUsing(const RenderStyle* otherStyle) const { return surround->margin.after(otherStyle->writingMode()); }
    665 
    666     LengthBox paddingBox() const { return surround->padding; }
    667     Length paddingTop() const { return surround->padding.top(); }
    668     Length paddingBottom() const { return surround->padding.bottom(); }
    669     Length paddingLeft() const { return surround->padding.left(); }
    670     Length paddingRight() const { return surround->padding.right(); }
    671     Length paddingBefore() const { return surround->padding.before(writingMode()); }
    672     Length paddingAfter() const { return surround->padding.after(writingMode()); }
    673     Length paddingStart() const { return surround->padding.start(writingMode(), direction()); }
    674     Length paddingEnd() const { return surround->padding.end(writingMode(), direction()); }
    675 
    676     ECursor cursor() const { return static_cast<ECursor>(inherited_flags._cursor_style); }
    677     CursorList* cursors() const { return rareInheritedData->cursorData.get(); }
    678 
    679     EInsideLink insideLink() const { return static_cast<EInsideLink>(inherited_flags._insideLink); }
    680     bool isLink() const { return noninherited_flags.isLink(); }
    681 
    682     short widows() const { return rareInheritedData->widows; }
    683     short orphans() const { return rareInheritedData->orphans; }
    684     bool hasAutoWidows() const { return rareInheritedData->m_hasAutoWidows; }
    685     bool hasAutoOrphans() const { return rareInheritedData->m_hasAutoOrphans; }
    686     EPageBreak pageBreakInside() const { return static_cast<EPageBreak>(noninherited_flags._page_break_inside); }
    687     EPageBreak pageBreakBefore() const { return static_cast<EPageBreak>(noninherited_flags._page_break_before); }
    688     EPageBreak pageBreakAfter() const { return static_cast<EPageBreak>(noninherited_flags._page_break_after); }
    689 
    690     // CSS3 Getter Methods
    691 
    692     int outlineOffset() const
    693     {
    694         if (m_background->outline().style() == BNONE)
    695             return 0;
    696         return m_background->outline().offset();
    697     }
    698 
    699     const ShadowData* textShadow() const { return rareInheritedData->textShadow.get(); }
    700     void getTextShadowExtent(LayoutUnit& top, LayoutUnit& right, LayoutUnit& bottom, LayoutUnit& left) const { getShadowExtent(textShadow(), top, right, bottom, left); }
    701     void getTextShadowHorizontalExtent(LayoutUnit& left, LayoutUnit& right) const { getShadowHorizontalExtent(textShadow(), left, right); }
    702     void getTextShadowVerticalExtent(LayoutUnit& top, LayoutUnit& bottom) const { getShadowVerticalExtent(textShadow(), top, bottom); }
    703     void getTextShadowInlineDirectionExtent(LayoutUnit& logicalLeft, LayoutUnit& logicalRight) { getShadowInlineDirectionExtent(textShadow(), logicalLeft, logicalRight); }
    704     void getTextShadowBlockDirectionExtent(LayoutUnit& logicalTop, LayoutUnit& logicalBottom) { getShadowBlockDirectionExtent(textShadow(), logicalTop, logicalBottom); }
    705 
    706     float textStrokeWidth() const { return rareInheritedData->textStrokeWidth; }
    707     float opacity() const { return rareNonInheritedData->opacity; }
    708     ControlPart appearance() const { return static_cast<ControlPart>(rareNonInheritedData->m_appearance); }
    709     // aspect ratio convenience method
    710     bool hasAspectRatio() const { return rareNonInheritedData->m_hasAspectRatio; }
    711     float aspectRatio() const { return aspectRatioNumerator() / aspectRatioDenominator(); }
    712     float aspectRatioDenominator() const { return rareNonInheritedData->m_aspectRatioDenominator; }
    713     float aspectRatioNumerator() const { return rareNonInheritedData->m_aspectRatioNumerator; }
    714     EBoxAlignment boxAlign() const { return static_cast<EBoxAlignment>(rareNonInheritedData->m_deprecatedFlexibleBox->align); }
    715     EBoxDirection boxDirection() const { return static_cast<EBoxDirection>(inherited_flags._box_direction); }
    716     float boxFlex() const { return rareNonInheritedData->m_deprecatedFlexibleBox->flex; }
    717     unsigned int boxFlexGroup() const { return rareNonInheritedData->m_deprecatedFlexibleBox->flex_group; }
    718     EBoxLines boxLines() const { return static_cast<EBoxLines>(rareNonInheritedData->m_deprecatedFlexibleBox->lines); }
    719     unsigned int boxOrdinalGroup() const { return rareNonInheritedData->m_deprecatedFlexibleBox->ordinal_group; }
    720     EBoxOrient boxOrient() const { return static_cast<EBoxOrient>(rareNonInheritedData->m_deprecatedFlexibleBox->orient); }
    721     EBoxPack boxPack() const { return static_cast<EBoxPack>(rareNonInheritedData->m_deprecatedFlexibleBox->pack); }
    722 
    723     int order() const { return rareNonInheritedData->m_order; }
    724     float flexGrow() const { return rareNonInheritedData->m_flexibleBox->m_flexGrow; }
    725     float flexShrink() const { return rareNonInheritedData->m_flexibleBox->m_flexShrink; }
    726     Length flexBasis() const { return rareNonInheritedData->m_flexibleBox->m_flexBasis; }
    727     EAlignContent alignContent() const { return static_cast<EAlignContent>(rareNonInheritedData->m_alignContent); }
    728     EAlignItems alignItems() const { return static_cast<EAlignItems>(rareNonInheritedData->m_alignItems); }
    729     EAlignItems alignSelf() const { return static_cast<EAlignItems>(rareNonInheritedData->m_alignSelf); }
    730     EFlexDirection flexDirection() const { return static_cast<EFlexDirection>(rareNonInheritedData->m_flexibleBox->m_flexDirection); }
    731     bool isColumnFlexDirection() const { return flexDirection() == FlowColumn || flexDirection() == FlowColumnReverse; }
    732     bool isReverseFlexDirection() const { return flexDirection() == FlowRowReverse || flexDirection() == FlowColumnReverse; }
    733     EFlexWrap flexWrap() const { return static_cast<EFlexWrap>(rareNonInheritedData->m_flexibleBox->m_flexWrap); }
    734     EJustifyContent justifyContent() const { return static_cast<EJustifyContent>(rareNonInheritedData->m_justifyContent); }
    735 
    736     const Vector<GridTrackSize>& gridDefinitionColumns() const { return rareNonInheritedData->m_grid->m_gridDefinitionColumns; }
    737     const Vector<GridTrackSize>& gridDefinitionRows() const { return rareNonInheritedData->m_grid->m_gridDefinitionRows; }
    738     const NamedGridLinesMap& namedGridColumnLines() const { return rareNonInheritedData->m_grid->m_namedGridColumnLines; }
    739     const NamedGridLinesMap& namedGridRowLines() const { return rareNonInheritedData->m_grid->m_namedGridRowLines; }
    740     const NamedGridAreaMap& namedGridArea() const { return rareNonInheritedData->m_grid->m_namedGridArea; }
    741     size_t namedGridAreaRowCount() const { return rareNonInheritedData->m_grid->m_namedGridAreaRowCount; }
    742     size_t namedGridAreaColumnCount() const { return rareNonInheritedData->m_grid->m_namedGridAreaColumnCount; }
    743     GridAutoFlow gridAutoFlow() const { return rareNonInheritedData->m_grid->m_gridAutoFlow; }
    744     const GridTrackSize& gridAutoColumns() const { return rareNonInheritedData->m_grid->m_gridAutoColumns; }
    745     const GridTrackSize& gridAutoRows() const { return rareNonInheritedData->m_grid->m_gridAutoRows; }
    746 
    747     const GridPosition& gridColumnStart() const { return rareNonInheritedData->m_gridItem->m_gridColumnStart; }
    748     const GridPosition& gridColumnEnd() const { return rareNonInheritedData->m_gridItem->m_gridColumnEnd; }
    749     const GridPosition& gridRowStart() const { return rareNonInheritedData->m_gridItem->m_gridRowStart; }
    750     const GridPosition& gridRowEnd() const { return rareNonInheritedData->m_gridItem->m_gridRowEnd; }
    751 
    752     const ShadowData* boxShadow() const { return rareNonInheritedData->m_boxShadow.get(); }
    753     void getBoxShadowExtent(LayoutUnit& top, LayoutUnit& right, LayoutUnit& bottom, LayoutUnit& left) const { getShadowExtent(boxShadow(), top, right, bottom, left); }
    754     LayoutBoxExtent getBoxShadowInsetExtent() const { return getShadowInsetExtent(boxShadow()); }
    755     void getBoxShadowHorizontalExtent(LayoutUnit& left, LayoutUnit& right) const { getShadowHorizontalExtent(boxShadow(), left, right); }
    756     void getBoxShadowVerticalExtent(LayoutUnit& top, LayoutUnit& bottom) const { getShadowVerticalExtent(boxShadow(), top, bottom); }
    757     void getBoxShadowInlineDirectionExtent(LayoutUnit& logicalLeft, LayoutUnit& logicalRight) { getShadowInlineDirectionExtent(boxShadow(), logicalLeft, logicalRight); }
    758     void getBoxShadowBlockDirectionExtent(LayoutUnit& logicalTop, LayoutUnit& logicalBottom) { getShadowBlockDirectionExtent(boxShadow(), logicalTop, logicalBottom); }
    759 
    760     EBoxDecorationBreak boxDecorationBreak() const { return m_box->boxDecorationBreak(); }
    761     StyleReflection* boxReflect() const { return rareNonInheritedData->m_boxReflect.get(); }
    762     EBoxSizing boxSizing() const { return m_box->boxSizing(); }
    763     Length marqueeIncrement() const { return rareNonInheritedData->m_marquee->increment; }
    764     int marqueeSpeed() const { return rareNonInheritedData->m_marquee->speed; }
    765     int marqueeLoopCount() const { return rareNonInheritedData->m_marquee->loops; }
    766     EMarqueeBehavior marqueeBehavior() const { return static_cast<EMarqueeBehavior>(rareNonInheritedData->m_marquee->behavior); }
    767     EMarqueeDirection marqueeDirection() const { return static_cast<EMarqueeDirection>(rareNonInheritedData->m_marquee->direction); }
    768     EUserModify userModify() const { return static_cast<EUserModify>(rareInheritedData->userModify); }
    769     EUserDrag userDrag() const { return static_cast<EUserDrag>(rareNonInheritedData->userDrag); }
    770     EUserSelect userSelect() const { return static_cast<EUserSelect>(rareInheritedData->userSelect); }
    771     TextOverflow textOverflow() const { return static_cast<TextOverflow>(rareNonInheritedData->textOverflow); }
    772     EMarginCollapse marginBeforeCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginBeforeCollapse); }
    773     EMarginCollapse marginAfterCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginAfterCollapse); }
    774     EWordBreak wordBreak() const { return static_cast<EWordBreak>(rareInheritedData->wordBreak); }
    775     EOverflowWrap overflowWrap() const { return static_cast<EOverflowWrap>(rareInheritedData->overflowWrap); }
    776     LineBreak lineBreak() const { return static_cast<LineBreak>(rareInheritedData->lineBreak); }
    777     const AtomicString& highlight() const { return rareInheritedData->highlight; }
    778     const AtomicString& hyphenationString() const { return rareInheritedData->hyphenationString; }
    779     const AtomicString& locale() const { return rareInheritedData->locale; }
    780     EBorderFit borderFit() const { return static_cast<EBorderFit>(rareNonInheritedData->m_borderFit); }
    781     EResize resize() const { return static_cast<EResize>(rareInheritedData->resize); }
    782     ColumnAxis columnAxis() const { return static_cast<ColumnAxis>(rareNonInheritedData->m_multiCol->m_axis); }
    783     bool hasInlineColumnAxis() const {
    784         ColumnAxis axis = columnAxis();
    785         return axis == AutoColumnAxis || isHorizontalWritingMode() == (axis == HorizontalColumnAxis);
    786     }
    787     ColumnProgression columnProgression() const { return static_cast<ColumnProgression>(rareNonInheritedData->m_multiCol->m_progression); }
    788     float columnWidth() const { return rareNonInheritedData->m_multiCol->m_width; }
    789     bool hasAutoColumnWidth() const { return rareNonInheritedData->m_multiCol->m_autoWidth; }
    790     unsigned short columnCount() const { return rareNonInheritedData->m_multiCol->m_count; }
    791     bool hasAutoColumnCount() const { return rareNonInheritedData->m_multiCol->m_autoCount; }
    792     bool specifiesColumns() const { return !hasAutoColumnCount() || !hasAutoColumnWidth() || !hasInlineColumnAxis(); }
    793     float columnGap() const { return rareNonInheritedData->m_multiCol->m_gap; }
    794     bool hasNormalColumnGap() const { return rareNonInheritedData->m_multiCol->m_normalGap; }
    795     EBorderStyle columnRuleStyle() const { return rareNonInheritedData->m_multiCol->m_rule.style(); }
    796     unsigned short columnRuleWidth() const { return rareNonInheritedData->m_multiCol->ruleWidth(); }
    797     bool columnRuleIsTransparent() const { return rareNonInheritedData->m_multiCol->m_rule.isTransparent(); }
    798     ColumnSpan columnSpan() const { return static_cast<ColumnSpan>(rareNonInheritedData->m_multiCol->m_columnSpan); }
    799     EPageBreak columnBreakBefore() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakBefore); }
    800     EPageBreak columnBreakInside() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakInside); }
    801     EPageBreak columnBreakAfter() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakAfter); }
    802     EPageBreak regionBreakBefore() const { return static_cast<EPageBreak>(rareNonInheritedData->m_regionBreakBefore); }
    803     EPageBreak regionBreakInside() const { return static_cast<EPageBreak>(rareNonInheritedData->m_regionBreakInside); }
    804     EPageBreak regionBreakAfter() const { return static_cast<EPageBreak>(rareNonInheritedData->m_regionBreakAfter); }
    805     const TransformOperations& transform() const { return rareNonInheritedData->m_transform->m_operations; }
    806     Length transformOriginX() const { return rareNonInheritedData->m_transform->m_x; }
    807     Length transformOriginY() const { return rareNonInheritedData->m_transform->m_y; }
    808     float transformOriginZ() const { return rareNonInheritedData->m_transform->m_z; }
    809     bool hasTransform() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
    810 
    811     TextEmphasisFill textEmphasisFill() const { return static_cast<TextEmphasisFill>(rareInheritedData->textEmphasisFill); }
    812     TextEmphasisMark textEmphasisMark() const;
    813     const AtomicString& textEmphasisCustomMark() const { return rareInheritedData->textEmphasisCustomMark; }
    814     TextEmphasisPosition textEmphasisPosition() const { return static_cast<TextEmphasisPosition>(rareInheritedData->textEmphasisPosition); }
    815     const AtomicString& textEmphasisMarkString() const;
    816 
    817     RubyPosition rubyPosition() const { return static_cast<RubyPosition>(rareInheritedData->m_rubyPosition); }
    818 
    819     TextOrientation textOrientation() const { return static_cast<TextOrientation>(rareInheritedData->m_textOrientation); }
    820 
    821     // Return true if any transform related property (currently transform, transformStyle3D or perspective)
    822     // indicates that we are transforming
    823     bool hasTransformRelatedProperty() const { return hasTransform() || preserves3D() || hasPerspective(); }
    824 
    825     enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
    826     void applyTransform(TransformationMatrix&, const LayoutSize& borderBoxSize, ApplyTransformOrigin = IncludeTransformOrigin) const;
    827     void applyTransform(TransformationMatrix&, const FloatRect& boundingBox, ApplyTransformOrigin = IncludeTransformOrigin) const;
    828 
    829     bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
    830 
    831     TextCombine textCombine() const { return static_cast<TextCombine>(rareNonInheritedData->m_textCombine); }
    832     bool hasTextCombine() const { return textCombine() != TextCombineNone; }
    833 
    834     unsigned tabSize() const { return rareInheritedData->m_tabSize; }
    835 
    836     // End CSS3 Getters
    837 
    838     const AtomicString& flowThread() const { return rareNonInheritedData->m_flowThread; }
    839     const AtomicString& regionThread() const { return rareNonInheritedData->m_regionThread; }
    840     RegionFragment regionFragment() const { return static_cast<RegionFragment>(rareNonInheritedData->m_regionFragment); }
    841 
    842     const AtomicString& lineGrid() const { return rareInheritedData->m_lineGrid; }
    843     LineSnap lineSnap() const { return static_cast<LineSnap>(rareInheritedData->m_lineSnap); }
    844     LineAlign lineAlign() const { return static_cast<LineAlign>(rareInheritedData->m_lineAlign); }
    845 
    846     WrapFlow wrapFlow() const { return static_cast<WrapFlow>(rareNonInheritedData->m_wrapFlow); }
    847     WrapThrough wrapThrough() const { return static_cast<WrapThrough>(rareNonInheritedData->m_wrapThrough); }
    848 
    849     // Apple-specific property getter methods
    850     EPointerEvents pointerEvents() const { return static_cast<EPointerEvents>(inherited_flags._pointerEvents); }
    851     const CSSAnimationDataList* animations() const { return rareNonInheritedData->m_animations.get(); }
    852     const CSSAnimationDataList* transitions() const { return rareNonInheritedData->m_transitions.get(); }
    853 
    854     CSSAnimationDataList* accessAnimations();
    855     CSSAnimationDataList* accessTransitions();
    856 
    857     bool hasAnimations() const { return rareNonInheritedData->m_animations && rareNonInheritedData->m_animations->size() > 0; }
    858 
    859     // return the first found Animation (including 'all' transitions)
    860     const CSSAnimationData* transitionForProperty(CSSPropertyID) const;
    861 
    862     ETransformStyle3D transformStyle3D() const { return static_cast<ETransformStyle3D>(rareNonInheritedData->m_transformStyle3D); }
    863     bool preserves3D() const { return rareNonInheritedData->m_transformStyle3D == TransformStyle3DPreserve3D; }
    864 
    865     EBackfaceVisibility backfaceVisibility() const { return static_cast<EBackfaceVisibility>(rareNonInheritedData->m_backfaceVisibility); }
    866     float perspective() const { return rareNonInheritedData->m_perspective; }
    867     bool hasPerspective() const { return rareNonInheritedData->m_perspective > 0; }
    868     Length perspectiveOriginX() const { return rareNonInheritedData->m_perspectiveOriginX; }
    869     Length perspectiveOriginY() const { return rareNonInheritedData->m_perspectiveOriginY; }
    870     LengthSize pageSize() const { return rareNonInheritedData->m_pageSize; }
    871     PageSizeType pageSizeType() const { return static_cast<PageSizeType>(rareNonInheritedData->m_pageSizeType); }
    872 
    873     // When set, this ensures that styles compare as different. Used during accelerated animations.
    874     bool isRunningAcceleratedAnimation() const { return rareNonInheritedData->m_runningAcceleratedAnimation; }
    875 
    876     LineBoxContain lineBoxContain() const { return rareInheritedData->m_lineBoxContain; }
    877     const LineClampValue& lineClamp() const { return rareNonInheritedData->lineClamp; }
    878     StyleColor tapHighlightColor() const { return rareInheritedData->tapHighlightColor; }
    879     ETextSecurity textSecurity() const { return static_cast<ETextSecurity>(rareInheritedData->textSecurity); }
    880 
    881     WritingMode writingMode() const { return static_cast<WritingMode>(inherited_flags.m_writingMode); }
    882     bool isHorizontalWritingMode() const { return WebCore::isHorizontalWritingMode(writingMode()); }
    883     bool isFlippedLinesWritingMode() const { return WebCore::isFlippedLinesWritingMode(writingMode()); }
    884     bool isFlippedBlocksWritingMode() const { return WebCore::isFlippedBlocksWritingMode(writingMode()); }
    885 
    886     EImageRendering imageRendering() const { return static_cast<EImageRendering>(rareInheritedData->m_imageRendering); }
    887 
    888     ESpeak speak() const { return static_cast<ESpeak>(rareInheritedData->speak); }
    889 
    890     FilterOperations& mutableFilter() { return rareNonInheritedData.access()->m_filter.access()->m_operations; }
    891     const FilterOperations& filter() const { return rareNonInheritedData->m_filter->m_operations; }
    892     bool hasFilter() const { return !rareNonInheritedData->m_filter->m_operations.operations().isEmpty(); }
    893 
    894     BlendMode blendMode() const;
    895     void setBlendMode(BlendMode v);
    896     bool hasBlendMode() const;
    897 
    898     bool shouldPlaceBlockDirectionScrollbarOnLogicalLeft() const { return !isLeftToRightDirection() && isHorizontalWritingMode(); }
    899 
    900     TouchAction touchAction() const { return static_cast<TouchAction>(rareNonInheritedData->m_touchAction); }
    901 
    902 // attribute setter methods
    903 
    904     void setDisplay(EDisplay v) { noninherited_flags._effectiveDisplay = v; }
    905     void setOriginalDisplay(EDisplay v) { noninherited_flags._originalDisplay = v; }
    906     void setPosition(EPosition v) { noninherited_flags._position = v; }
    907     void setFloating(EFloat v) { noninherited_flags._floating = v; }
    908 
    909     void setLeft(Length v) { SET_VAR(surround, offset.m_left, v); }
    910     void setRight(Length v) { SET_VAR(surround, offset.m_right, v); }
    911     void setTop(Length v) { SET_VAR(surround, offset.m_top, v); }
    912     void setBottom(Length v) { SET_VAR(surround, offset.m_bottom, v); }
    913 
    914     void setWidth(Length v) { SET_VAR(m_box, m_width, v); }
    915     void setHeight(Length v) { SET_VAR(m_box, m_height, v); }
    916 
    917     void setLogicalWidth(Length v)
    918     {
    919         if (isHorizontalWritingMode()) {
    920             SET_VAR(m_box, m_width, v);
    921         } else {
    922             SET_VAR(m_box, m_height, v);
    923         }
    924     }
    925 
    926     void setLogicalHeight(Length v)
    927     {
    928         if (isHorizontalWritingMode()) {
    929             SET_VAR(m_box, m_height, v);
    930         } else {
    931             SET_VAR(m_box, m_width, v);
    932         }
    933     }
    934 
    935     void setMinWidth(Length v) { SET_VAR(m_box, m_minWidth, v); }
    936     void setMaxWidth(Length v) { SET_VAR(m_box, m_maxWidth, v); }
    937     void setMinHeight(Length v) { SET_VAR(m_box, m_minHeight, v); }
    938     void setMaxHeight(Length v) { SET_VAR(m_box, m_maxHeight, v); }
    939 
    940     DraggableRegionMode getDraggableRegionMode() const { return rareNonInheritedData->m_draggableRegionMode; }
    941     void setDraggableRegionMode(DraggableRegionMode v) { SET_VAR(rareNonInheritedData, m_draggableRegionMode, v); }
    942 
    943     void resetBorder() { resetBorderImage(); resetBorderTop(); resetBorderRight(); resetBorderBottom(); resetBorderLeft(); resetBorderRadius(); }
    944     void resetBorderTop() { SET_VAR(surround, border.m_top, BorderValue()); }
    945     void resetBorderRight() { SET_VAR(surround, border.m_right, BorderValue()); }
    946     void resetBorderBottom() { SET_VAR(surround, border.m_bottom, BorderValue()); }
    947     void resetBorderLeft() { SET_VAR(surround, border.m_left, BorderValue()); }
    948     void resetBorderImage() { SET_VAR(surround, border.m_image, NinePieceImage()); }
    949     void resetBorderRadius() { resetBorderTopLeftRadius(); resetBorderTopRightRadius(); resetBorderBottomLeftRadius(); resetBorderBottomRightRadius(); }
    950     void resetBorderTopLeftRadius() { SET_VAR(surround, border.m_topLeft, initialBorderRadius()); }
    951     void resetBorderTopRightRadius() { SET_VAR(surround, border.m_topRight, initialBorderRadius()); }
    952     void resetBorderBottomLeftRadius() { SET_VAR(surround, border.m_bottomLeft, initialBorderRadius()); }
    953     void resetBorderBottomRightRadius() { SET_VAR(surround, border.m_bottomRight, initialBorderRadius()); }
    954 
    955     void setBackgroundColor(const StyleColor& v) { SET_VAR(m_background, m_color, v); }
    956 
    957     void setBackgroundXPosition(Length length) { SET_VAR(m_background, m_background.m_xPosition, length); }
    958     void setBackgroundYPosition(Length length) { SET_VAR(m_background, m_background.m_yPosition, length); }
    959     void setBackgroundSize(EFillSizeType b) { SET_VAR(m_background, m_background.m_sizeType, b); }
    960     void setBackgroundSizeLength(LengthSize s) { SET_VAR(m_background, m_background.m_sizeLength, s); }
    961 
    962     void setBorderImage(const NinePieceImage& b) { SET_VAR(surround, border.m_image, b); }
    963     void setBorderImageSource(PassRefPtr<StyleImage>);
    964     void setBorderImageSlices(LengthBox);
    965     void setBorderImageWidth(LengthBox);
    966     void setBorderImageOutset(LengthBox);
    967 
    968     void setBorderTopLeftRadius(LengthSize s) { SET_VAR(surround, border.m_topLeft, s); }
    969     void setBorderTopRightRadius(LengthSize s) { SET_VAR(surround, border.m_topRight, s); }
    970     void setBorderBottomLeftRadius(LengthSize s) { SET_VAR(surround, border.m_bottomLeft, s); }
    971     void setBorderBottomRightRadius(LengthSize s) { SET_VAR(surround, border.m_bottomRight, s); }
    972 
    973     void setBorderRadius(LengthSize s)
    974     {
    975         setBorderTopLeftRadius(s);
    976         setBorderTopRightRadius(s);
    977         setBorderBottomLeftRadius(s);
    978         setBorderBottomRightRadius(s);
    979     }
    980     void setBorderRadius(const IntSize& s)
    981     {
    982         setBorderRadius(LengthSize(Length(s.width(), Fixed), Length(s.height(), Fixed)));
    983     }
    984 
    985     RoundedRect getRoundedBorderFor(const LayoutRect& borderRect, RenderView* = 0, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
    986     RoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
    987 
    988     RoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect,
    989         int topWidth, int bottomWidth, int leftWidth, int rightWidth, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) const;
    990 
    991     void setBorderLeftWidth(unsigned v) { SET_VAR(surround, border.m_left.m_width, v); }
    992     void setBorderLeftStyle(EBorderStyle v) { SET_VAR(surround, border.m_left.m_style, v); }
    993     void setBorderLeftColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_left, v); }
    994     void setBorderRightWidth(unsigned v) { SET_VAR(surround, border.m_right.m_width, v); }
    995     void setBorderRightStyle(EBorderStyle v) { SET_VAR(surround, border.m_right.m_style, v); }
    996     void setBorderRightColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_right, v); }
    997     void setBorderTopWidth(unsigned v) { SET_VAR(surround, border.m_top.m_width, v); }
    998     void setBorderTopStyle(EBorderStyle v) { SET_VAR(surround, border.m_top.m_style, v); }
    999     void setBorderTopColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_top, v); }
   1000     void setBorderBottomWidth(unsigned v) { SET_VAR(surround, border.m_bottom.m_width, v); }
   1001     void setBorderBottomStyle(EBorderStyle v) { SET_VAR(surround, border.m_bottom.m_style, v); }
   1002     void setBorderBottomColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_bottom, v); }
   1003 
   1004     void setOutlineWidth(unsigned short v) { SET_VAR(m_background, m_outline.m_width, v); }
   1005     void setOutlineStyleIsAuto(OutlineIsAuto isAuto) { SET_VAR(m_background, m_outline.m_isAuto, isAuto); }
   1006     void setOutlineStyle(EBorderStyle v) { SET_VAR(m_background, m_outline.m_style, v); }
   1007     void setOutlineColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(m_background, m_outline, v); }
   1008 
   1009     void setOverflowX(EOverflow v) { noninherited_flags._overflowX = v; }
   1010     void setOverflowY(EOverflow v) { noninherited_flags._overflowY = v; }
   1011     void setVisibility(EVisibility v) { inherited_flags._visibility = v; }
   1012     void setVerticalAlign(EVerticalAlign v) { noninherited_flags._vertical_align = v; }
   1013     void setVerticalAlignLength(Length length) { setVerticalAlign(LENGTH); SET_VAR(m_box, m_verticalAlign, length); }
   1014 
   1015     void setHasClip(bool b = true) { SET_VAR(visual, hasClip, b); }
   1016     void setClipLeft(Length v) { SET_VAR(visual, clip.m_left, v); }
   1017     void setClipRight(Length v) { SET_VAR(visual, clip.m_right, v); }
   1018     void setClipTop(Length v) { SET_VAR(visual, clip.m_top, v); }
   1019     void setClipBottom(Length v) { SET_VAR(visual, clip.m_bottom, v); }
   1020     void setClip(Length top, Length right, Length bottom, Length left);
   1021     void setClip(LengthBox box) { SET_VAR(visual, clip, box); }
   1022 
   1023     void setUnicodeBidi(EUnicodeBidi b) { noninherited_flags._unicodeBidi = b; }
   1024 
   1025     void setClear(EClear v) { noninherited_flags._clear = v; }
   1026     void setTableLayout(ETableLayout v) { noninherited_flags._table_layout = v; }
   1027 
   1028     bool setFontDescription(const FontDescription&);
   1029     // Only used for blending font sizes when animating, for MathML anonymous blocks, and for text autosizing.
   1030     void setFontSize(float);
   1031 
   1032     void setTextAutosizingMultiplier(float v)
   1033     {
   1034         SET_VAR(visual, m_textAutosizingMultiplier, v);
   1035         setFontSize(fontDescription().specifiedSize());
   1036     }
   1037 
   1038     void setColor(const StyleColor&);
   1039     void setTextIndent(Length v) { SET_VAR(rareInheritedData, indent, v); }
   1040 #if ENABLE(CSS3_TEXT)
   1041     void setTextIndentLine(TextIndentLine v) { SET_VAR(rareInheritedData, m_textIndentLine, v); }
   1042 #endif
   1043     void setTextAlign(ETextAlign v) { inherited_flags._text_align = v; }
   1044     void setTextAlignLast(TextAlignLast v) { SET_VAR(rareInheritedData, m_textAlignLast, v); }
   1045     void setTextTransform(ETextTransform v) { inherited_flags._text_transform = v; }
   1046     void addToTextDecorationsInEffect(TextDecoration v) { inherited_flags._text_decorations |= v; }
   1047     void setTextDecorationsInEffect(TextDecoration v) { inherited_flags._text_decorations = v; }
   1048     void setTextDecoration(TextDecoration v) { SET_VAR(visual, textDecoration, v); }
   1049 #if ENABLE(CSS3_TEXT)
   1050     void setTextUnderlinePosition(TextUnderlinePosition v) { SET_VAR(rareInheritedData, m_textUnderlinePosition, v); }
   1051 #endif // CSS3_TEXT
   1052     void setTextDecorationStyle(TextDecorationStyle v) { SET_VAR(rareNonInheritedData, m_textDecorationStyle, v); }
   1053     void setDirection(TextDirection v) { inherited_flags._direction = v; }
   1054     void setLineHeight(Length specifiedLineHeight);
   1055     bool setZoom(float);
   1056     void setZoomWithoutReturnValue(float f) { setZoom(f); }
   1057     bool setEffectiveZoom(float);
   1058 
   1059     void setImageRendering(EImageRendering v) { SET_VAR(rareInheritedData, m_imageRendering, v); }
   1060 
   1061     void setWhiteSpace(EWhiteSpace v) { inherited_flags._white_space = v; }
   1062 
   1063     void setWordSpacing(float);
   1064     void setLetterSpacing(float);
   1065 
   1066     void clearBackgroundLayers() { m_background.access()->m_background = FillLayer(BackgroundFillLayer); }
   1067     void inheritBackgroundLayers(const FillLayer& parent) { m_background.access()->m_background = parent; }
   1068 
   1069     void adjustBackgroundLayers()
   1070     {
   1071         if (backgroundLayers()->next()) {
   1072             accessBackgroundLayers()->cullEmptyLayers();
   1073             accessBackgroundLayers()->fillUnsetProperties();
   1074         }
   1075     }
   1076 
   1077     void clearMaskLayers() { rareNonInheritedData.access()->m_mask = FillLayer(MaskFillLayer); }
   1078     void inheritMaskLayers(const FillLayer& parent) { rareNonInheritedData.access()->m_mask = parent; }
   1079 
   1080     void adjustMaskLayers()
   1081     {
   1082         if (maskLayers()->next()) {
   1083             accessMaskLayers()->cullEmptyLayers();
   1084             accessMaskLayers()->fillUnsetProperties();
   1085         }
   1086     }
   1087 
   1088     void setMaskImage(PassRefPtr<StyleImage> v) { rareNonInheritedData.access()->m_mask.setImage(v); }
   1089 
   1090     void setMaskBoxImage(const NinePieceImage& b) { SET_VAR(rareNonInheritedData, m_maskBoxImage, b); }
   1091     void setMaskBoxImageSource(PassRefPtr<StyleImage> v) { rareNonInheritedData.access()->m_maskBoxImage.setImage(v); }
   1092     void setMaskXPosition(Length length) { SET_VAR(rareNonInheritedData, m_mask.m_xPosition, length); }
   1093     void setMaskYPosition(Length length) { SET_VAR(rareNonInheritedData, m_mask.m_yPosition, length); }
   1094     void setMaskSize(LengthSize s) { SET_VAR(rareNonInheritedData, m_mask.m_sizeLength, s); }
   1095 
   1096     void setBorderCollapse(EBorderCollapse collapse) { inherited_flags._border_collapse = collapse; }
   1097     void setHorizontalBorderSpacing(short);
   1098     void setVerticalBorderSpacing(short);
   1099     void setEmptyCells(EEmptyCell v) { inherited_flags._empty_cells = v; }
   1100     void setCaptionSide(ECaptionSide v) { inherited_flags._caption_side = v; }
   1101 
   1102     void setHasAspectRatio(bool b) { SET_VAR(rareNonInheritedData, m_hasAspectRatio, b); }
   1103     void setAspectRatioDenominator(float v) { SET_VAR(rareNonInheritedData, m_aspectRatioDenominator, v); }
   1104     void setAspectRatioNumerator(float v) { SET_VAR(rareNonInheritedData, m_aspectRatioNumerator, v); }
   1105 
   1106     void setListStyleType(EListStyleType v) { inherited_flags._list_style_type = v; }
   1107     void setListStyleImage(PassRefPtr<StyleImage>);
   1108     void setListStylePosition(EListStylePosition v) { inherited_flags._list_style_position = v; }
   1109 
   1110     void resetMargin() { SET_VAR(surround, margin, LengthBox(Fixed)); }
   1111     void setMarginTop(Length v) { SET_VAR(surround, margin.m_top, v); }
   1112     void setMarginBottom(Length v) { SET_VAR(surround, margin.m_bottom, v); }
   1113     void setMarginLeft(Length v) { SET_VAR(surround, margin.m_left, v); }
   1114     void setMarginRight(Length v) { SET_VAR(surround, margin.m_right, v); }
   1115     void setMarginStart(Length);
   1116     void setMarginEnd(Length);
   1117 
   1118     void resetPadding() { SET_VAR(surround, padding, LengthBox(Auto)); }
   1119     void setPaddingBox(const LengthBox& b) { SET_VAR(surround, padding, b); }
   1120     void setPaddingTop(Length v) { SET_VAR(surround, padding.m_top, v); }
   1121     void setPaddingBottom(Length v) { SET_VAR(surround, padding.m_bottom, v); }
   1122     void setPaddingLeft(Length v) { SET_VAR(surround, padding.m_left, v); }
   1123     void setPaddingRight(Length v) { SET_VAR(surround, padding.m_right, v); }
   1124 
   1125     void setCursor(ECursor c) { inherited_flags._cursor_style = c; }
   1126     void addCursor(PassRefPtr<StyleImage>, const IntPoint& hotSpot = IntPoint());
   1127     void setCursorList(PassRefPtr<CursorList>);
   1128     void clearCursorList();
   1129 
   1130     void setInsideLink(EInsideLink insideLink) { inherited_flags._insideLink = insideLink; }
   1131     void setIsLink(bool b) { noninherited_flags.setIsLink(b); }
   1132 
   1133     PrintColorAdjust printColorAdjust() const { return static_cast<PrintColorAdjust>(inherited_flags.m_printColorAdjust); }
   1134     void setPrintColorAdjust(PrintColorAdjust value) { inherited_flags.m_printColorAdjust = value; }
   1135 
   1136     bool hasAutoZIndex() const { return m_box->hasAutoZIndex(); }
   1137     void setHasAutoZIndex() { SET_VAR(m_box, m_hasAutoZIndex, true); SET_VAR(m_box, m_zIndex, 0); }
   1138     int zIndex() const { return m_box->zIndex(); }
   1139     void setZIndex(int v) { SET_VAR(m_box, m_hasAutoZIndex, false); SET_VAR(m_box, m_zIndex, v); }
   1140 
   1141     void setHasAutoWidows() { SET_VAR(rareInheritedData, m_hasAutoWidows, true); SET_VAR(rareInheritedData, widows, initialWidows()); }
   1142     void setWidows(short w) { SET_VAR(rareInheritedData, m_hasAutoWidows, false); SET_VAR(rareInheritedData, widows, w); }
   1143 
   1144     void setHasAutoOrphans() { SET_VAR(rareInheritedData, m_hasAutoOrphans, true); SET_VAR(rareInheritedData, orphans, initialOrphans()); }
   1145     void setOrphans(short o) { SET_VAR(rareInheritedData, m_hasAutoOrphans, false); SET_VAR(rareInheritedData, orphans, o); }
   1146 
   1147     // For valid values of page-break-inside see http://www.w3.org/TR/CSS21/page.html#page-break-props
   1148     void setPageBreakInside(EPageBreak b) { ASSERT(b == PBAUTO || b == PBAVOID); noninherited_flags._page_break_inside = b; }
   1149     void setPageBreakBefore(EPageBreak b) { noninherited_flags._page_break_before = b; }
   1150     void setPageBreakAfter(EPageBreak b) { noninherited_flags._page_break_after = b; }
   1151 
   1152     // CSS3 Setters
   1153     void setOutlineOffset(int v) { SET_VAR(m_background, m_outline.m_offset, v); }
   1154     void setTextShadow(PassOwnPtr<ShadowData>, bool add = false);
   1155     void setTextStrokeColor(const StyleColor& c) { SET_VAR(rareInheritedData, textStrokeColor, c); }
   1156     void setTextStrokeWidth(float w) { SET_VAR(rareInheritedData, textStrokeWidth, w); }
   1157     void setTextFillColor(const StyleColor& c) { SET_VAR(rareInheritedData, textFillColor, c); }
   1158     void setOpacity(float f) { float v = clampTo<float>(f, 0, 1); SET_VAR(rareNonInheritedData, opacity, v); }
   1159     void setAppearance(ControlPart a) { SET_VAR(rareNonInheritedData, m_appearance, a); }
   1160     // For valid values of box-align see http://www.w3.org/TR/2009/WD-css3-flexbox-20090723/#alignment
   1161     void setBoxAlign(EBoxAlignment a) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, align, a); }
   1162     void setBoxDecorationBreak(EBoxDecorationBreak b) { SET_VAR(m_box, m_boxDecorationBreak, b); }
   1163     void setBoxDirection(EBoxDirection d) { inherited_flags._box_direction = d; }
   1164     void setBoxFlex(float f) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, flex, f); }
   1165     void setBoxFlexGroup(unsigned int fg) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, flex_group, fg); }
   1166     void setBoxLines(EBoxLines l) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, lines, l); }
   1167     void setBoxOrdinalGroup(unsigned int og) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, ordinal_group, og); }
   1168     void setBoxOrient(EBoxOrient o) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, orient, o); }
   1169     void setBoxPack(EBoxPack p) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, pack, p); }
   1170     void setBoxShadow(PassOwnPtr<ShadowData>, bool add = false);
   1171     void setBoxReflect(PassRefPtr<StyleReflection> reflect) { if (rareNonInheritedData->m_boxReflect != reflect) rareNonInheritedData.access()->m_boxReflect = reflect; }
   1172     void setBoxSizing(EBoxSizing s) { SET_VAR(m_box, m_boxSizing, s); }
   1173     void setFlexGrow(float f) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexGrow, f); }
   1174     void setFlexShrink(float f) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexShrink, f); }
   1175     void setFlexBasis(Length length) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexBasis, length); }
   1176     void setOrder(int o) { SET_VAR(rareNonInheritedData, m_order, o); }
   1177     void setAlignContent(EAlignContent p) { SET_VAR(rareNonInheritedData, m_alignContent, p); }
   1178     void setAlignItems(EAlignItems a) { SET_VAR(rareNonInheritedData, m_alignItems, a); }
   1179     void setAlignSelf(EAlignItems a) { SET_VAR(rareNonInheritedData, m_alignSelf, a); }
   1180     void setFlexDirection(EFlexDirection direction) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexDirection, direction); }
   1181     void setFlexWrap(EFlexWrap w) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexWrap, w); }
   1182     void setJustifyContent(EJustifyContent p) { SET_VAR(rareNonInheritedData, m_justifyContent, p); }
   1183     void setGridAutoColumns(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoColumns, length); }
   1184     void setGridAutoRows(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoRows, length); }
   1185     void setGridDefinitionColumns(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridDefinitionColumns, lengths); }
   1186     void setGridDefinitionRows(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridDefinitionRows, lengths); }
   1187     void setNamedGridColumnLines(const NamedGridLinesMap& namedGridColumnLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridColumnLines, namedGridColumnLines); }
   1188     void setNamedGridRowLines(const NamedGridLinesMap& namedGridRowLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridRowLines, namedGridRowLines); }
   1189     void setNamedGridArea(const NamedGridAreaMap& namedGridArea) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridArea, namedGridArea); }
   1190     void setNamedGridAreaRowCount(size_t rowCount) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridAreaRowCount, rowCount); }
   1191     void setNamedGridAreaColumnCount(size_t columnCount) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridAreaColumnCount, columnCount); }
   1192     void setGridAutoFlow(GridAutoFlow flow) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoFlow, flow); }
   1193 
   1194     void setGridColumnStart(const GridPosition& columnStartPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridColumnStart, columnStartPosition); }
   1195     void setGridColumnEnd(const GridPosition& columnEndPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridColumnEnd, columnEndPosition); }
   1196     void setGridRowStart(const GridPosition& rowStartPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridRowStart, rowStartPosition); }
   1197     void setGridRowEnd(const GridPosition& rowEndPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridRowEnd, rowEndPosition); }
   1198 
   1199     void setMarqueeIncrement(Length f) { SET_VAR(rareNonInheritedData.access()->m_marquee, increment, f); }
   1200     void setMarqueeSpeed(int f) { SET_VAR(rareNonInheritedData.access()->m_marquee, speed, f); }
   1201     void setMarqueeDirection(EMarqueeDirection d) { SET_VAR(rareNonInheritedData.access()->m_marquee, direction, d); }
   1202     void setMarqueeBehavior(EMarqueeBehavior b) { SET_VAR(rareNonInheritedData.access()->m_marquee, behavior, b); }
   1203     void setMarqueeLoopCount(int i) { SET_VAR(rareNonInheritedData.access()->m_marquee, loops, i); }
   1204     void setUserModify(EUserModify u) { SET_VAR(rareInheritedData, userModify, u); }
   1205     void setUserDrag(EUserDrag d) { SET_VAR(rareNonInheritedData, userDrag, d); }
   1206     void setUserSelect(EUserSelect s) { SET_VAR(rareInheritedData, userSelect, s); }
   1207     void setTextOverflow(TextOverflow overflow) { SET_VAR(rareNonInheritedData, textOverflow, overflow); }
   1208     void setMarginBeforeCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginBeforeCollapse, c); }
   1209     void setMarginAfterCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginAfterCollapse, c); }
   1210     void setWordBreak(EWordBreak b) { SET_VAR(rareInheritedData, wordBreak, b); }
   1211     void setOverflowWrap(EOverflowWrap b) { SET_VAR(rareInheritedData, overflowWrap, b); }
   1212     void setLineBreak(LineBreak b) { SET_VAR(rareInheritedData, lineBreak, b); }
   1213     void setHighlight(const AtomicString& h) { SET_VAR(rareInheritedData, highlight, h); }
   1214     void setHyphens(Hyphens h) { SET_VAR(rareInheritedData, hyphens, h); }
   1215     void setHyphenationString(const AtomicString& h) { SET_VAR(rareInheritedData, hyphenationString, h); }
   1216     void setLocale(const AtomicString& locale) { SET_VAR(rareInheritedData, locale, locale); }
   1217     void setBorderFit(EBorderFit b) { SET_VAR(rareNonInheritedData, m_borderFit, b); }
   1218     void setResize(EResize r) { SET_VAR(rareInheritedData, resize, r); }
   1219     void setColumnAxis(ColumnAxis axis) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_axis, axis); }
   1220     void setColumnProgression(ColumnProgression progression) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_progression, progression); }
   1221     void setColumnWidth(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, f); }
   1222     void setHasAutoColumnWidth() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, 0); }
   1223     void setColumnCount(unsigned short c) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, c); }
   1224     void setHasAutoColumnCount() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, 0); }
   1225     void setColumnGap(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, f); }
   1226     void setHasNormalColumnGap() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, 0); }
   1227     void setColumnRuleColor(const StyleColor& c) { SET_BORDERVALUE_COLOR(rareNonInheritedData.access()->m_multiCol, m_rule, c); }
   1228     void setColumnRuleStyle(EBorderStyle b) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_style, b); }
   1229     void setColumnRuleWidth(unsigned short w) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_width, w); }
   1230     void resetColumnRule() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule, BorderValue()); }
   1231     void setColumnSpan(ColumnSpan columnSpan) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_columnSpan, columnSpan); }
   1232     void setColumnBreakBefore(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakBefore, p); }
   1233     // For valid values of column-break-inside see http://www.w3.org/TR/css3-multicol/#break-before-break-after-break-inside
   1234     void setColumnBreakInside(EPageBreak p) { ASSERT(p == PBAUTO || p == PBAVOID); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakInside, p); }
   1235     void setColumnBreakAfter(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakAfter, p); }
   1236     void setRegionBreakBefore(EPageBreak p) { SET_VAR(rareNonInheritedData, m_regionBreakBefore, p); }
   1237     void setRegionBreakInside(EPageBreak p) { ASSERT(p == PBAUTO || p == PBAVOID); SET_VAR(rareNonInheritedData, m_regionBreakInside, p); }
   1238     void setRegionBreakAfter(EPageBreak p) { SET_VAR(rareNonInheritedData, m_regionBreakAfter, p); }
   1239     void inheritColumnPropertiesFrom(RenderStyle* parent) { rareNonInheritedData.access()->m_multiCol = parent->rareNonInheritedData->m_multiCol; }
   1240     void setTransform(const TransformOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_transform, m_operations, ops); }
   1241     void setTransformOriginX(Length l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_x, l); }
   1242     void setTransformOriginY(Length l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_y, l); }
   1243     void setTransformOriginZ(float f) { SET_VAR(rareNonInheritedData.access()->m_transform, m_z, f); }
   1244     void setSpeak(ESpeak s) { SET_VAR(rareInheritedData, speak, s); }
   1245     void setTextCombine(TextCombine v) { SET_VAR(rareNonInheritedData, m_textCombine, v); }
   1246     void setTextDecorationColor(const StyleColor& c) { SET_VAR(rareNonInheritedData, m_textDecorationColor, c); }
   1247     void setTextEmphasisColor(const StyleColor& c) { SET_VAR(rareInheritedData, textEmphasisColor, c); }
   1248     void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(rareInheritedData, textEmphasisFill, fill); }
   1249     void setTextEmphasisMark(TextEmphasisMark mark) { SET_VAR(rareInheritedData, textEmphasisMark, mark); }
   1250     void setTextEmphasisCustomMark(const AtomicString& mark) { SET_VAR(rareInheritedData, textEmphasisCustomMark, mark); }
   1251     void setTextEmphasisPosition(TextEmphasisPosition position) { SET_VAR(rareInheritedData, textEmphasisPosition, position); }
   1252     bool setTextOrientation(TextOrientation);
   1253 
   1254     void setRubyPosition(RubyPosition position) { SET_VAR(rareInheritedData, m_rubyPosition, position); }
   1255 
   1256     void setFilter(const FilterOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_filter, m_operations, ops); }
   1257 
   1258     void setTabSize(unsigned size) { SET_VAR(rareInheritedData, m_tabSize, size); }
   1259 
   1260     // End CSS3 Setters
   1261 
   1262     void setLineGrid(const AtomicString& lineGrid) { SET_VAR(rareInheritedData, m_lineGrid, lineGrid); }
   1263     void setLineSnap(LineSnap lineSnap) { SET_VAR(rareInheritedData, m_lineSnap, lineSnap); }
   1264     void setLineAlign(LineAlign lineAlign) { SET_VAR(rareInheritedData, m_lineAlign, lineAlign); }
   1265 
   1266     void setFlowThread(const AtomicString& flowThread) { SET_VAR(rareNonInheritedData, m_flowThread, flowThread); }
   1267     void setRegionThread(const AtomicString& regionThread) { SET_VAR(rareNonInheritedData, m_regionThread, regionThread); }
   1268     void setRegionFragment(RegionFragment regionFragment) { SET_VAR(rareNonInheritedData, m_regionFragment, regionFragment); }
   1269 
   1270     void setWrapFlow(WrapFlow wrapFlow) { SET_VAR(rareNonInheritedData, m_wrapFlow, wrapFlow); }
   1271     void setWrapThrough(WrapThrough wrapThrough) { SET_VAR(rareNonInheritedData, m_wrapThrough, wrapThrough); }
   1272 
   1273     // Apple-specific property setters
   1274     void setPointerEvents(EPointerEvents p) { inherited_flags._pointerEvents = p; }
   1275 
   1276     void clearAnimations()
   1277     {
   1278         rareNonInheritedData.access()->m_animations.clear();
   1279     }
   1280 
   1281     void clearTransitions()
   1282     {
   1283         rareNonInheritedData.access()->m_transitions.clear();
   1284     }
   1285 
   1286     void adjustAnimations();
   1287     void adjustTransitions();
   1288 
   1289     void setTransformStyle3D(ETransformStyle3D b) { SET_VAR(rareNonInheritedData, m_transformStyle3D, b); }
   1290     void setBackfaceVisibility(EBackfaceVisibility b) { SET_VAR(rareNonInheritedData, m_backfaceVisibility, b); }
   1291     void setPerspective(float p) { SET_VAR(rareNonInheritedData, m_perspective, p); }
   1292     void setPerspectiveOriginX(Length l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginX, l); }
   1293     void setPerspectiveOriginY(Length l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginY, l); }
   1294     void setPageSize(LengthSize s) { SET_VAR(rareNonInheritedData, m_pageSize, s); }
   1295     void setPageSizeType(PageSizeType t) { SET_VAR(rareNonInheritedData, m_pageSizeType, t); }
   1296     void resetPageSizeType() { SET_VAR(rareNonInheritedData, m_pageSizeType, PAGE_SIZE_AUTO); }
   1297 
   1298     void setIsRunningAcceleratedAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_runningAcceleratedAnimation, b); }
   1299 
   1300     void setLineBoxContain(LineBoxContain c) { SET_VAR(rareInheritedData, m_lineBoxContain, c); }
   1301     void setLineClamp(LineClampValue c) { SET_VAR(rareNonInheritedData, lineClamp, c); }
   1302     void setTapHighlightColor(const StyleColor& c) { SET_VAR(rareInheritedData, tapHighlightColor, c); }
   1303     void setTextSecurity(ETextSecurity aTextSecurity) { SET_VAR(rareInheritedData, textSecurity, aTextSecurity); }
   1304     void setTouchAction(TouchAction t) { SET_VAR(rareNonInheritedData, m_touchAction, t); }
   1305 
   1306     const SVGRenderStyle* svgStyle() const { return m_svgStyle.get(); }
   1307     SVGRenderStyle* accessSVGStyle() { return m_svgStyle.access(); }
   1308 
   1309     const SVGPaint::SVGPaintType& fillPaintType() const { return svgStyle()->fillPaintType(); }
   1310     StyleColor fillPaintColor() const { return svgStyle()->fillPaintColor(); }
   1311     void setFillPaintColor(const StyleColor& c) { accessSVGStyle()->setFillPaint(SVGPaint::SVG_PAINTTYPE_RGBCOLOR, c.color(), ""); }
   1312     float fillOpacity() const { return svgStyle()->fillOpacity(); }
   1313     void setFillOpacity(float f) { accessSVGStyle()->setFillOpacity(f); }
   1314 
   1315     const SVGPaint::SVGPaintType& strokePaintType() const { return svgStyle()->strokePaintType(); }
   1316     StyleColor strokePaintColor() const { return svgStyle()->strokePaintColor(); }
   1317     void setStrokePaintColor(const StyleColor& c) { accessSVGStyle()->setStrokePaint(SVGPaint::SVG_PAINTTYPE_RGBCOLOR, c.color(), ""); }
   1318     float strokeOpacity() const { return svgStyle()->strokeOpacity(); }
   1319     void setStrokeOpacity(float f) { accessSVGStyle()->setStrokeOpacity(f); }
   1320     SVGLength strokeWidth() const { return svgStyle()->strokeWidth(); }
   1321     void setStrokeWidth(SVGLength w) { accessSVGStyle()->setStrokeWidth(w); }
   1322     Vector<SVGLength> strokeDashArray() const { return svgStyle()->strokeDashArray(); }
   1323     void setStrokeDashArray(Vector<SVGLength> array) { accessSVGStyle()->setStrokeDashArray(array); }
   1324     SVGLength strokeDashOffset() const { return svgStyle()->strokeDashOffset(); }
   1325     void setStrokeDashOffset(SVGLength d) { accessSVGStyle()->setStrokeDashOffset(d); }
   1326     float strokeMiterLimit() const { return svgStyle()->strokeMiterLimit(); }
   1327     void setStrokeMiterLimit(float f) { accessSVGStyle()->setStrokeMiterLimit(f); }
   1328 
   1329     float floodOpacity() const { return svgStyle()->floodOpacity(); }
   1330     void setFloodOpacity(float f) { accessSVGStyle()->setFloodOpacity(f); }
   1331 
   1332     float stopOpacity() const { return svgStyle()->stopOpacity(); }
   1333     void setStopOpacity(float f) { accessSVGStyle()->setStopOpacity(f); }
   1334 
   1335     void setStopColor(const StyleColor& c) { accessSVGStyle()->setStopColor(c.color()); }
   1336     void setFloodColor(const StyleColor& c) { accessSVGStyle()->setFloodColor(c.color()); }
   1337     void setLightingColor(const StyleColor& c) { accessSVGStyle()->setLightingColor(c.color()); }
   1338 
   1339     SVGLength baselineShiftValue() const { return svgStyle()->baselineShiftValue(); }
   1340     void setBaselineShiftValue(SVGLength s) { accessSVGStyle()->setBaselineShiftValue(s); }
   1341     SVGLength kerning() const { return svgStyle()->kerning(); }
   1342     void setKerning(SVGLength k) { accessSVGStyle()->setKerning(k); }
   1343 
   1344     void setShapeInside(PassRefPtr<ShapeValue> value)
   1345     {
   1346         if (rareNonInheritedData->m_shapeInside == value)
   1347             return;
   1348         rareNonInheritedData.access()->m_shapeInside = value;
   1349     }
   1350     ShapeValue* shapeInside() const { return rareNonInheritedData->m_shapeInside.get(); }
   1351     ShapeValue* resolvedShapeInside() const
   1352     {
   1353         ShapeValue* shapeInside = this->shapeInside();
   1354         if (shapeInside && shapeInside->type() == ShapeValue::Outside)
   1355             return shapeOutside();
   1356         return shapeInside;
   1357     }
   1358 
   1359     void setShapeOutside(PassRefPtr<ShapeValue> value)
   1360     {
   1361         if (rareNonInheritedData->m_shapeOutside == value)
   1362             return;
   1363         rareNonInheritedData.access()->m_shapeOutside = value;
   1364     }
   1365     ShapeValue* shapeOutside() const { return rareNonInheritedData->m_shapeOutside.get(); }
   1366 
   1367     static ShapeValue* initialShapeInside();
   1368     static ShapeValue* initialShapeOutside() { return 0; }
   1369 
   1370     void setClipPath(PassRefPtr<ClipPathOperation> operation)
   1371     {
   1372         if (rareNonInheritedData->m_clipPath != operation)
   1373             rareNonInheritedData.access()->m_clipPath = operation;
   1374     }
   1375     ClipPathOperation* clipPath() const { return rareNonInheritedData->m_clipPath.get(); }
   1376 
   1377     static ClipPathOperation* initialClipPath() { return 0; }
   1378 
   1379     Length shapePadding() const { return rareNonInheritedData->m_shapePadding; }
   1380     void setShapePadding(Length shapePadding) { SET_VAR(rareNonInheritedData, m_shapePadding, shapePadding); }
   1381     static Length initialShapePadding() { return Length(0, Fixed); }
   1382 
   1383     Length shapeMargin() const { return rareNonInheritedData->m_shapeMargin; }
   1384     void setShapeMargin(Length shapeMargin) { SET_VAR(rareNonInheritedData, m_shapeMargin, shapeMargin); }
   1385     static Length initialShapeMargin() { return Length(0, Fixed); }
   1386 
   1387     bool hasContent() const { return contentData(); }
   1388     const ContentData* contentData() const { return rareNonInheritedData->m_content.get(); }
   1389     bool contentDataEquivalent(const RenderStyle* otherStyle) const { return const_cast<RenderStyle*>(this)->rareNonInheritedData->contentDataEquivalent(*const_cast<RenderStyle*>(otherStyle)->rareNonInheritedData); }
   1390     void clearContent();
   1391     void setContent(const String&, bool add = false);
   1392     void setContent(PassRefPtr<StyleImage>, bool add = false);
   1393     void setContent(PassOwnPtr<CounterContent>, bool add = false);
   1394     void setContent(QuoteType, bool add = false);
   1395 
   1396     const CounterDirectiveMap* counterDirectives() const;
   1397     CounterDirectiveMap& accessCounterDirectives();
   1398     const CounterDirectives getCounterDirectives(const AtomicString& identifier) const;
   1399 
   1400     QuotesData* quotes() const { return rareInheritedData->quotes.get(); }
   1401     void setQuotes(PassRefPtr<QuotesData>);
   1402 
   1403     const AtomicString& hyphenString() const;
   1404 
   1405     bool inheritedNotEqual(const RenderStyle*) const;
   1406     bool inheritedDataShared(const RenderStyle*) const;
   1407 
   1408     StyleDifference diff(const RenderStyle*, unsigned& changedContextSensitiveProperties) const;
   1409 
   1410     bool isDisplayReplacedType() const { return isDisplayReplacedType(display()); }
   1411     bool isDisplayInlineType() const { return isDisplayInlineType(display()); }
   1412     bool isOriginalDisplayInlineType() const { return isDisplayInlineType(originalDisplay()); }
   1413     bool isDisplayRegionType() const
   1414     {
   1415         return display() == BLOCK || display() == INLINE_BLOCK
   1416             || display() == TABLE_CELL || display() == TABLE_CAPTION
   1417             || display() == LIST_ITEM;
   1418     }
   1419 
   1420     bool setWritingMode(WritingMode v)
   1421     {
   1422         if (v == writingMode())
   1423             return false;
   1424 
   1425         inherited_flags.m_writingMode = v;
   1426         return true;
   1427     }
   1428 
   1429     // A unique style is one that has matches something that makes it impossible to share.
   1430     bool unique() const { return noninherited_flags.unique; }
   1431     void setUnique() { noninherited_flags.unique = true; }
   1432 
   1433     bool emptyState() const { return noninherited_flags.emptyState; }
   1434     void setEmptyState(bool b) { setUnique(); noninherited_flags.emptyState = b; }
   1435     bool firstChildState() const { return noninherited_flags.firstChildState; }
   1436     void setFirstChildState() { setUnique(); noninherited_flags.firstChildState = true; }
   1437     bool lastChildState() const { return noninherited_flags.lastChildState; }
   1438     void setLastChildState() { setUnique(); noninherited_flags.lastChildState = true; }
   1439 
   1440     StyleColor visitedDependentColor(int colorProperty) const;
   1441 
   1442     void setHasExplicitlyInheritedProperties() { noninherited_flags.explicitInheritance = true; }
   1443     bool hasExplicitlyInheritedProperties() const { return noninherited_flags.explicitInheritance; }
   1444 
   1445     // Initial values for all the properties
   1446     static EBorderCollapse initialBorderCollapse() { return BSEPARATE; }
   1447     static EBorderStyle initialBorderStyle() { return BNONE; }
   1448     static OutlineIsAuto initialOutlineStyleIsAuto() { return AUTO_OFF; }
   1449     static NinePieceImage initialNinePieceImage() { return NinePieceImage(); }
   1450     static LengthSize initialBorderRadius() { return LengthSize(Length(0, Fixed), Length(0, Fixed)); }
   1451     static ECaptionSide initialCaptionSide() { return CAPTOP; }
   1452     static EClear initialClear() { return CNONE; }
   1453     static ColumnAxis initialColumnAxis() { return AutoColumnAxis; }
   1454     static ColumnProgression initialColumnProgression() { return NormalColumnProgression; }
   1455     static TextDirection initialDirection() { return LTR; }
   1456     static WritingMode initialWritingMode() { return TopToBottomWritingMode; }
   1457     static TextCombine initialTextCombine() { return TextCombineNone; }
   1458     static TextOrientation initialTextOrientation() { return TextOrientationVerticalRight; }
   1459     static EDisplay initialDisplay() { return INLINE; }
   1460     static EEmptyCell initialEmptyCells() { return SHOW; }
   1461     static EFloat initialFloating() { return NoFloat; }
   1462     static EListStylePosition initialListStylePosition() { return OUTSIDE; }
   1463     static EListStyleType initialListStyleType() { return Disc; }
   1464     static EOverflow initialOverflowX() { return OVISIBLE; }
   1465     static EOverflow initialOverflowY() { return OVISIBLE; }
   1466     static EPageBreak initialPageBreak() { return PBAUTO; }
   1467     static EPosition initialPosition() { return StaticPosition; }
   1468     static ETableLayout initialTableLayout() { return TAUTO; }
   1469     static EUnicodeBidi initialUnicodeBidi() { return UBNormal; }
   1470     static ETextTransform initialTextTransform() { return TTNONE; }
   1471     static EVisibility initialVisibility() { return VISIBLE; }
   1472     static EWhiteSpace initialWhiteSpace() { return NORMAL; }
   1473     static short initialHorizontalBorderSpacing() { return 0; }
   1474     static short initialVerticalBorderSpacing() { return 0; }
   1475     static ECursor initialCursor() { return CURSOR_AUTO; }
   1476     static Color initialColor() { return Color::black; }
   1477     static StyleImage* initialListStyleImage() { return 0; }
   1478     static unsigned initialBorderWidth() { return 3; }
   1479     static unsigned short initialColumnRuleWidth() { return 3; }
   1480     static unsigned short initialOutlineWidth() { return 3; }
   1481     static float initialLetterWordSpacing() { return 0.0f; }
   1482     static Length initialSize() { return Length(); }
   1483     static Length initialMinSize() { return Length(Fixed); }
   1484     static Length initialMaxSize() { return Length(Undefined); }
   1485     static Length initialOffset() { return Length(); }
   1486     static Length initialMargin() { return Length(Fixed); }
   1487     static Length initialPadding() { return Length(Fixed); }
   1488     static Length initialTextIndent() { return Length(Fixed); }
   1489 #if ENABLE(CSS3_TEXT)
   1490     static TextIndentLine initialTextIndentLine() { return TextIndentFirstLine; }
   1491 #endif
   1492     static EVerticalAlign initialVerticalAlign() { return BASELINE; }
   1493     static short initialWidows() { return 2; }
   1494     static short initialOrphans() { return 2; }
   1495     static Length initialLineHeight() { return Length(-100.0, Percent); }
   1496     static ETextAlign initialTextAlign() { return TASTART; }
   1497     static TextAlignLast initialTextAlignLast() { return TextAlignLastAuto; }
   1498     static TextDecoration initialTextDecoration() { return TextDecorationNone; }
   1499 #if ENABLE(CSS3_TEXT)
   1500     static TextUnderlinePosition initialTextUnderlinePosition() { return TextUnderlinePositionAuto; }
   1501 #endif // CSS3_TEXT
   1502     static TextDecorationStyle initialTextDecorationStyle() { return TextDecorationStyleSolid; }
   1503     static float initialZoom() { return 1.0f; }
   1504     static int initialOutlineOffset() { return 0; }
   1505     static float initialOpacity() { return 1.0f; }
   1506     static EBoxAlignment initialBoxAlign() { return BSTRETCH; }
   1507     static EBoxDecorationBreak initialBoxDecorationBreak() { return DSLICE; }
   1508     static EBoxDirection initialBoxDirection() { return BNORMAL; }
   1509     static EBoxLines initialBoxLines() { return SINGLE; }
   1510     static EBoxOrient initialBoxOrient() { return HORIZONTAL; }
   1511     static EBoxPack initialBoxPack() { return Start; }
   1512     static float initialBoxFlex() { return 0.0f; }
   1513     static unsigned int initialBoxFlexGroup() { return 1; }
   1514     static unsigned int initialBoxOrdinalGroup() { return 1; }
   1515     static EBoxSizing initialBoxSizing() { return CONTENT_BOX; }
   1516     static StyleReflection* initialBoxReflect() { return 0; }
   1517     static float initialFlexGrow() { return 0; }
   1518     static float initialFlexShrink() { return 1; }
   1519     static Length initialFlexBasis() { return Length(Auto); }
   1520     static int initialOrder() { return 0; }
   1521     static EAlignContent initialAlignContent() { return AlignContentStretch; }
   1522     static EAlignItems initialAlignItems() { return AlignStretch; }
   1523     static EAlignItems initialAlignSelf() { return AlignAuto; }
   1524     static EFlexDirection initialFlexDirection() { return FlowRow; }
   1525     static EFlexWrap initialFlexWrap() { return FlexNoWrap; }
   1526     static EJustifyContent initialJustifyContent() { return JustifyFlexStart; }
   1527     static int initialMarqueeLoopCount() { return -1; }
   1528     static int initialMarqueeSpeed() { return 85; }
   1529     static Length initialMarqueeIncrement() { return Length(6, Fixed); }
   1530     static EMarqueeBehavior initialMarqueeBehavior() { return MSCROLL; }
   1531     static EMarqueeDirection initialMarqueeDirection() { return MAUTO; }
   1532     static EUserModify initialUserModify() { return READ_ONLY; }
   1533     static EUserDrag initialUserDrag() { return DRAG_AUTO; }
   1534     static EUserSelect initialUserSelect() { return SELECT_TEXT; }
   1535     static TextOverflow initialTextOverflow() { return TextOverflowClip; }
   1536     static EMarginCollapse initialMarginBeforeCollapse() { return MCOLLAPSE; }
   1537     static EMarginCollapse initialMarginAfterCollapse() { return MCOLLAPSE; }
   1538     static EWordBreak initialWordBreak() { return NormalWordBreak; }
   1539     static EOverflowWrap initialOverflowWrap() { return NormalOverflowWrap; }
   1540     static LineBreak initialLineBreak() { return LineBreakAuto; }
   1541     static const AtomicString& initialHighlight() { return nullAtom; }
   1542     static ESpeak initialSpeak() { return SpeakNormal; }
   1543     static const AtomicString& initialHyphenationString() { return nullAtom; }
   1544     static const AtomicString& initialLocale() { return nullAtom; }
   1545     static EBorderFit initialBorderFit() { return BorderFitBorder; }
   1546     static EResize initialResize() { return RESIZE_NONE; }
   1547     static ControlPart initialAppearance() { return NoControlPart; }
   1548     static bool initialHasAspectRatio() { return false; }
   1549     static float initialAspectRatioDenominator() { return 1; }
   1550     static float initialAspectRatioNumerator() { return 1; }
   1551     static Order initialRTLOrdering() { return LogicalOrder; }
   1552     static float initialTextStrokeWidth() { return 0; }
   1553     static unsigned short initialColumnCount() { return 1; }
   1554     static ColumnSpan initialColumnSpan() { return ColumnSpanNone; }
   1555     static const TransformOperations& initialTransform() { DEFINE_STATIC_LOCAL(TransformOperations, ops, ()); return ops; }
   1556     static Length initialTransformOriginX() { return Length(50.0, Percent); }
   1557     static Length initialTransformOriginY() { return Length(50.0, Percent); }
   1558     static EPointerEvents initialPointerEvents() { return PE_AUTO; }
   1559     static float initialTransformOriginZ() { return 0; }
   1560     static ETransformStyle3D initialTransformStyle3D() { return TransformStyle3DFlat; }
   1561     static EBackfaceVisibility initialBackfaceVisibility() { return BackfaceVisibilityVisible; }
   1562     static float initialPerspective() { return 0; }
   1563     static Length initialPerspectiveOriginX() { return Length(50.0, Percent); }
   1564     static Length initialPerspectiveOriginY() { return Length(50.0, Percent); }
   1565     static Color initialBackgroundColor() { return Color::transparent; }
   1566     static Color initialTextEmphasisColor() { return TextEmphasisFillFilled; }
   1567     static TextEmphasisFill initialTextEmphasisFill() { return TextEmphasisFillFilled; }
   1568     static TextEmphasisMark initialTextEmphasisMark() { return TextEmphasisMarkNone; }
   1569     static const AtomicString& initialTextEmphasisCustomMark() { return nullAtom; }
   1570     static TextEmphasisPosition initialTextEmphasisPosition() { return TextEmphasisPositionOver; }
   1571     static RubyPosition initialRubyPosition() { return RubyPositionBefore; }
   1572     static LineBoxContain initialLineBoxContain() { return LineBoxContainBlock | LineBoxContainInline | LineBoxContainReplaced; }
   1573     static ImageOrientationEnum initialImageOrientation() { return OriginTopLeft; }
   1574     static EImageRendering initialImageRendering() { return ImageRenderingAuto; }
   1575     static ImageResolutionSource initialImageResolutionSource() { return ImageResolutionSpecified; }
   1576     static ImageResolutionSnap initialImageResolutionSnap() { return ImageResolutionNoSnap; }
   1577     static float initialImageResolution() { return 1; }
   1578     static StyleImage* initialBorderImageSource() { return 0; }
   1579     static StyleImage* initialMaskBoxImageSource() { return 0; }
   1580     static PrintColorAdjust initialPrintColorAdjust() { return PrintColorAdjustEconomy; }
   1581     static TouchAction initialTouchAction() { return TouchActionAuto; }
   1582 
   1583     // The initial value is 'none' for grid tracks.
   1584     static Vector<GridTrackSize> initialGridDefinitionColumns() { return Vector<GridTrackSize>(); }
   1585     static Vector<GridTrackSize> initialGridDefinitionRows() { return Vector<GridTrackSize>(); }
   1586 
   1587     static GridAutoFlow initialGridAutoFlow() { return AutoFlowNone; }
   1588 
   1589     static GridTrackSize initialGridAutoColumns() { return GridTrackSize(Auto); }
   1590     static GridTrackSize initialGridAutoRows() { return GridTrackSize(Auto); }
   1591 
   1592     static NamedGridLinesMap initialNamedGridColumnLines() { return NamedGridLinesMap(); }
   1593     static NamedGridLinesMap initialNamedGridRowLines() { return NamedGridLinesMap(); }
   1594 
   1595     static NamedGridAreaMap initialNamedGridArea() { return NamedGridAreaMap(); }
   1596     static size_t initialNamedGridAreaCount() { return 0; }
   1597 
   1598     // 'auto' is the default.
   1599     static GridPosition initialGridColumnStart() { return GridPosition(); }
   1600     static GridPosition initialGridColumnEnd() { return GridPosition(); }
   1601     static GridPosition initialGridRowStart() { return GridPosition(); }
   1602     static GridPosition initialGridRowEnd() { return GridPosition(); }
   1603 
   1604     static unsigned initialTabSize() { return 8; }
   1605 
   1606     static const AtomicString& initialLineGrid() { return nullAtom; }
   1607     static LineSnap initialLineSnap() { return LineSnapNone; }
   1608     static LineAlign initialLineAlign() { return LineAlignNone; }
   1609 
   1610     static const AtomicString& initialFlowThread() { return nullAtom; }
   1611     static const AtomicString& initialRegionThread() { return nullAtom; }
   1612     static RegionFragment initialRegionFragment() { return AutoRegionFragment; }
   1613 
   1614     static WrapFlow initialWrapFlow() { return WrapFlowAuto; }
   1615     static WrapThrough initialWrapThrough() { return WrapThroughWrap; }
   1616 
   1617     static QuotesData* initialQuotes() { return 0; }
   1618 
   1619     // Keep these at the end.
   1620     // FIXME: Why? Seems these should all be one big sorted list.
   1621     static LineClampValue initialLineClamp() { return LineClampValue(); }
   1622     static ETextSecurity initialTextSecurity() { return TSNONE; }
   1623     static Color initialTapHighlightColor();
   1624     static const FilterOperations& initialFilter() { DEFINE_STATIC_LOCAL(FilterOperations, ops, ()); return ops; }
   1625     static BlendMode initialBlendMode() { return BlendModeNormal; }
   1626 private:
   1627     void setVisitedLinkColor(const StyleColor&);
   1628     void setVisitedLinkBackgroundColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBackgroundColor, v); }
   1629     void setVisitedLinkBorderLeftColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderLeftColor, v); }
   1630     void setVisitedLinkBorderRightColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderRightColor, v); }
   1631     void setVisitedLinkBorderBottomColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderBottomColor, v); }
   1632     void setVisitedLinkBorderTopColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderTopColor, v); }
   1633     void setVisitedLinkOutlineColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkOutlineColor, v); }
   1634     void setVisitedLinkColumnRuleColor(const StyleColor& v) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_visitedLinkColumnRuleColor, v); }
   1635     void setVisitedLinkTextDecorationColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkTextDecorationColor, v); }
   1636     void setVisitedLinkTextEmphasisColor(const StyleColor& v) { SET_VAR(rareInheritedData, visitedLinkTextEmphasisColor, v); }
   1637     void setVisitedLinkTextFillColor(const StyleColor& v) { SET_VAR(rareInheritedData, visitedLinkTextFillColor, v); }
   1638     void setVisitedLinkTextStrokeColor(const StyleColor& v) { SET_VAR(rareInheritedData, visitedLinkTextStrokeColor, v); }
   1639 
   1640     void inheritUnicodeBidiFrom(const RenderStyle* parent) { noninherited_flags._unicodeBidi = parent->noninherited_flags._unicodeBidi; }
   1641     void getShadowExtent(const ShadowData*, LayoutUnit& top, LayoutUnit& right, LayoutUnit& bottom, LayoutUnit& left) const;
   1642     LayoutBoxExtent getShadowInsetExtent(const ShadowData*) const;
   1643     void getShadowHorizontalExtent(const ShadowData*, LayoutUnit& left, LayoutUnit& right) const;
   1644     void getShadowVerticalExtent(const ShadowData*, LayoutUnit& top, LayoutUnit& bottom) const;
   1645     void getShadowInlineDirectionExtent(const ShadowData* shadow, LayoutUnit& logicalLeft, LayoutUnit& logicalRight) const
   1646     {
   1647         return isHorizontalWritingMode() ? getShadowHorizontalExtent(shadow, logicalLeft, logicalRight) : getShadowVerticalExtent(shadow, logicalLeft, logicalRight);
   1648     }
   1649     void getShadowBlockDirectionExtent(const ShadowData* shadow, LayoutUnit& logicalTop, LayoutUnit& logicalBottom) const
   1650     {
   1651         return isHorizontalWritingMode() ? getShadowVerticalExtent(shadow, logicalTop, logicalBottom) : getShadowHorizontalExtent(shadow, logicalTop, logicalBottom);
   1652     }
   1653 
   1654     bool isDisplayReplacedType(EDisplay display) const
   1655     {
   1656         return display == INLINE_BLOCK || display == INLINE_BOX || display == INLINE_FLEX
   1657             || display == INLINE_TABLE || display == INLINE_GRID;
   1658     }
   1659 
   1660     bool isDisplayInlineType(EDisplay display) const
   1661     {
   1662         return display == INLINE || isDisplayReplacedType(display);
   1663     }
   1664 
   1665     // Color accessors are all private to make sure callers use visitedDependentColor instead to access them.
   1666     StyleColor invalidColor() const { static Color invalid; return invalid; }
   1667     StyleColor borderLeftColor() const { return surround->border.left().color(); }
   1668     StyleColor borderRightColor() const { return surround->border.right().color(); }
   1669     StyleColor borderTopColor() const { return surround->border.top().color(); }
   1670     StyleColor borderBottomColor() const { return surround->border.bottom().color(); }
   1671     StyleColor backgroundColor() const { return m_background->color(); }
   1672     StyleColor color() const;
   1673     StyleColor columnRuleColor() const { return rareNonInheritedData->m_multiCol->m_rule.color(); }
   1674     StyleColor outlineColor() const { return m_background->outline().color(); }
   1675     StyleColor textEmphasisColor() const { return rareInheritedData->textEmphasisColor; }
   1676     StyleColor textFillColor() const { return rareInheritedData->textFillColor; }
   1677     StyleColor textStrokeColor() const { return rareInheritedData->textStrokeColor; }
   1678     StyleColor visitedLinkColor() const;
   1679     StyleColor visitedLinkBackgroundColor() const { return rareNonInheritedData->m_visitedLinkBackgroundColor; }
   1680     StyleColor visitedLinkBorderLeftColor() const { return rareNonInheritedData->m_visitedLinkBorderLeftColor; }
   1681     StyleColor visitedLinkBorderRightColor() const { return rareNonInheritedData->m_visitedLinkBorderRightColor; }
   1682     StyleColor visitedLinkBorderBottomColor() const { return rareNonInheritedData->m_visitedLinkBorderBottomColor; }
   1683     StyleColor visitedLinkBorderTopColor() const { return rareNonInheritedData->m_visitedLinkBorderTopColor; }
   1684     StyleColor visitedLinkOutlineColor() const { return rareNonInheritedData->m_visitedLinkOutlineColor; }
   1685     StyleColor visitedLinkColumnRuleColor() const { return rareNonInheritedData->m_multiCol->m_visitedLinkColumnRuleColor; }
   1686     StyleColor textDecorationColor() const { return rareNonInheritedData->m_textDecorationColor; }
   1687     StyleColor visitedLinkTextDecorationColor() const { return rareNonInheritedData->m_visitedLinkTextDecorationColor; }
   1688     StyleColor visitedLinkTextEmphasisColor() const { return rareInheritedData->visitedLinkTextEmphasisColor; }
   1689     StyleColor visitedLinkTextFillColor() const { return rareInheritedData->visitedLinkTextFillColor; }
   1690     StyleColor visitedLinkTextStrokeColor() const { return rareInheritedData->visitedLinkTextStrokeColor; }
   1691 
   1692     StyleColor colorIncludingFallback(int colorProperty, bool visitedLink) const;
   1693 
   1694     StyleColor stopColor() const { return svgStyle()->stopColor(); }
   1695     StyleColor floodColor() const { return svgStyle()->floodColor(); }
   1696     StyleColor lightingColor() const { return svgStyle()->lightingColor(); }
   1697 
   1698     void appendContent(PassOwnPtr<ContentData>);
   1699 };
   1700 
   1701 inline int adjustForAbsoluteZoom(int value, const RenderStyle* style)
   1702 {
   1703     double zoomFactor = style->effectiveZoom();
   1704     if (zoomFactor == 1)
   1705         return value;
   1706     // Needed because computeLengthInt truncates (rather than rounds) when scaling up.
   1707     if (zoomFactor > 1) {
   1708         if (value < 0)
   1709             value--;
   1710         else
   1711             value++;
   1712     }
   1713 
   1714     return roundForImpreciseConversion<int>(value / zoomFactor);
   1715 }
   1716 
   1717 inline float adjustFloatForAbsoluteZoom(float value, const RenderStyle* style)
   1718 {
   1719     return value / style->effectiveZoom();
   1720 }
   1721 
   1722 inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, const RenderStyle* style)
   1723 {
   1724     return value / style->effectiveZoom();
   1725 }
   1726 
   1727 inline bool RenderStyle::setZoom(float f)
   1728 {
   1729     if (compareEqual(visual->m_zoom, f))
   1730         return false;
   1731     visual.access()->m_zoom = f;
   1732     setEffectiveZoom(effectiveZoom() * zoom());
   1733     return true;
   1734 }
   1735 
   1736 inline bool RenderStyle::setEffectiveZoom(float f)
   1737 {
   1738     if (compareEqual(rareInheritedData->m_effectiveZoom, f))
   1739         return false;
   1740     rareInheritedData.access()->m_effectiveZoom = f;
   1741     return true;
   1742 }
   1743 
   1744 inline bool RenderStyle::setTextOrientation(TextOrientation textOrientation)
   1745 {
   1746     if (compareEqual(rareInheritedData->m_textOrientation, textOrientation))
   1747         return false;
   1748 
   1749     rareInheritedData.access()->m_textOrientation = textOrientation;
   1750     return true;
   1751 }
   1752 
   1753 } // namespace WebCore
   1754 
   1755 #endif // RenderStyle_h
   1756