• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3                   2004, 2005 Rob Buis <buis@kde.org>
4     Copyright (C) 2005, 2006 Apple Computer, Inc.
5     Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 
7     This library is free software; you can redistribute it and/or
8     modify it under the terms of the GNU Library General Public
9     License as published by the Free Software Foundation; either
10     version 2 of the License, or (at your option) any later version.
11 
12     This library is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15     Library General Public License for more details.
16 
17     You should have received a copy of the GNU Library General Public License
18     along with this library; see the file COPYING.LIB.  If not, write to
19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20     Boston, MA 02110-1301, USA.
21 */
22 
23 #ifndef SVGRenderStyle_h
24 #define SVGRenderStyle_h
25 
26 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
27 #include "core/css/CSSValueList.h"
28 #include "core/rendering/style/DataRef.h"
29 #include "core/rendering/style/RenderStyleConstants.h"
30 #include "core/rendering/style/SVGRenderStyleDefs.h"
31 #include "core/rendering/style/StyleDifference.h"
32 #include "platform/graphics/GraphicsTypes.h"
33 #include "platform/graphics/Path.h"
34 
35 namespace blink {
36 
37 class SVGRenderStyle : public RefCounted<SVGRenderStyle> {
38 public:
create()39     static PassRefPtr<SVGRenderStyle> create() { return adoptRef(new SVGRenderStyle); }
copy()40     PassRefPtr<SVGRenderStyle> copy() const { return adoptRef(new SVGRenderStyle(*this));}
41     ~SVGRenderStyle();
42 
43     bool inheritedNotEqual(const SVGRenderStyle*) const;
44     void inheritFrom(const SVGRenderStyle*);
45     void copyNonInheritedFrom(const SVGRenderStyle*);
46 
47     StyleDifference diff(const SVGRenderStyle*) const;
48 
49     bool operator==(const SVGRenderStyle&) const;
50     bool operator!=(const SVGRenderStyle& o) const { return !(*this == o); }
51 
52     // Initial values for all the properties
initialAlignmentBaseline()53     static EAlignmentBaseline initialAlignmentBaseline() { return AB_AUTO; }
initialDominantBaseline()54     static EDominantBaseline initialDominantBaseline() { return DB_AUTO; }
initialBaselineShift()55     static EBaselineShift initialBaselineShift() { return BS_BASELINE; }
initialVectorEffect()56     static EVectorEffect initialVectorEffect() { return VE_NONE; }
initialBufferedRendering()57     static EBufferedRendering initialBufferedRendering() { return BR_AUTO; }
initialCapStyle()58     static LineCap initialCapStyle() { return ButtCap; }
initialClipRule()59     static WindRule initialClipRule() { return RULE_NONZERO; }
initialColorInterpolation()60     static EColorInterpolation initialColorInterpolation() { return CI_SRGB; }
initialColorInterpolationFilters()61     static EColorInterpolation initialColorInterpolationFilters() { return CI_LINEARRGB; }
initialColorRendering()62     static EColorRendering initialColorRendering() { return CR_AUTO; }
initialFillRule()63     static WindRule initialFillRule() { return RULE_NONZERO; }
initialJoinStyle()64     static LineJoin initialJoinStyle() { return MiterJoin; }
initialShapeRendering()65     static EShapeRendering initialShapeRendering() { return SR_AUTO; }
initialTextAnchor()66     static ETextAnchor initialTextAnchor() { return TA_START; }
initialWritingMode()67     static SVGWritingMode initialWritingMode() { return WM_LRTB; }
initialGlyphOrientationHorizontal()68     static EGlyphOrientation initialGlyphOrientationHorizontal() { return GO_0DEG; }
initialGlyphOrientationVertical()69     static EGlyphOrientation initialGlyphOrientationVertical() { return GO_AUTO; }
initialFillOpacity()70     static float initialFillOpacity() { return 1; }
initialFillPaintType()71     static SVGPaintType initialFillPaintType() { return SVG_PAINTTYPE_RGBCOLOR; }
initialFillPaintColor()72     static Color initialFillPaintColor() { return Color::black; }
initialFillPaintUri()73     static String initialFillPaintUri() { return String(); }
initialStrokeOpacity()74     static float initialStrokeOpacity() { return 1; }
initialStrokePaintType()75     static SVGPaintType initialStrokePaintType() { return SVG_PAINTTYPE_NONE; }
initialStrokePaintColor()76     static Color initialStrokePaintColor() { return Color(); }
initialStrokePaintUri()77     static String initialStrokePaintUri() { return String(); }
initialStrokeDashArray()78     static PassRefPtr<SVGLengthList> initialStrokeDashArray() { return SVGLengthList::create(); }
initialStrokeMiterLimit()79     static float initialStrokeMiterLimit() { return 4; }
initialStopOpacity()80     static float initialStopOpacity() { return 1; }
initialStopColor()81     static Color initialStopColor() { return Color(0, 0, 0); }
initialFloodOpacity()82     static float initialFloodOpacity() { return 1; }
initialFloodColor()83     static Color initialFloodColor() { return Color(0, 0, 0); }
initialLightingColor()84     static Color initialLightingColor() { return Color(255, 255, 255); }
initialClipperResource()85     static const AtomicString& initialClipperResource() { return nullAtom; }
initialFilterResource()86     static const AtomicString& initialFilterResource() { return nullAtom; }
initialMaskerResource()87     static const AtomicString& initialMaskerResource() { return nullAtom; }
initialMarkerStartResource()88     static const AtomicString& initialMarkerStartResource() { return nullAtom; }
initialMarkerMidResource()89     static const AtomicString& initialMarkerMidResource() { return nullAtom; }
initialMarkerEndResource()90     static const AtomicString& initialMarkerEndResource() { return nullAtom; }
initialMaskType()91     static EMaskType initialMaskType() { return MT_LUMINANCE; }
initialPaintOrder()92     static EPaintOrder initialPaintOrder() { return PO_NORMAL; }
93 
initialBaselineShiftValue()94     static PassRefPtr<SVGLength> initialBaselineShiftValue()
95     {
96         RefPtr<SVGLength> length = SVGLength::create();
97         length->newValueSpecifiedUnits(LengthTypeNumber, 0);
98         return length.release();
99     }
100 
initialStrokeDashOffset()101     static PassRefPtr<SVGLength> initialStrokeDashOffset()
102     {
103         RefPtr<SVGLength> length = SVGLength::create();
104         length->newValueSpecifiedUnits(LengthTypeNumber, 0);
105         return length.release();
106     }
107 
initialStrokeWidth()108     static PassRefPtr<SVGLength> initialStrokeWidth()
109     {
110         RefPtr<SVGLength> length = SVGLength::create();
111         length->newValueSpecifiedUnits(LengthTypeNumber, 1);
112         return length.release();
113     }
114 
115     // SVG CSS Property setters
setAlignmentBaseline(EAlignmentBaseline val)116     void setAlignmentBaseline(EAlignmentBaseline val) { svg_noninherited_flags.f._alignmentBaseline = val; }
setDominantBaseline(EDominantBaseline val)117     void setDominantBaseline(EDominantBaseline val) { svg_noninherited_flags.f._dominantBaseline = val; }
setBaselineShift(EBaselineShift val)118     void setBaselineShift(EBaselineShift val) { svg_noninherited_flags.f._baselineShift = val; }
setVectorEffect(EVectorEffect val)119     void setVectorEffect(EVectorEffect val) { svg_noninherited_flags.f._vectorEffect = val; }
setBufferedRendering(EBufferedRendering val)120     void setBufferedRendering(EBufferedRendering val) { svg_noninherited_flags.f.bufferedRendering = val; }
setCapStyle(LineCap val)121     void setCapStyle(LineCap val) { svg_inherited_flags._capStyle = val; }
setClipRule(WindRule val)122     void setClipRule(WindRule val) { svg_inherited_flags._clipRule = val; }
setColorInterpolation(EColorInterpolation val)123     void setColorInterpolation(EColorInterpolation val) { svg_inherited_flags._colorInterpolation = val; }
setColorInterpolationFilters(EColorInterpolation val)124     void setColorInterpolationFilters(EColorInterpolation val) { svg_inherited_flags._colorInterpolationFilters = val; }
setColorRendering(EColorRendering val)125     void setColorRendering(EColorRendering val) { svg_inherited_flags._colorRendering = val; }
setFillRule(WindRule val)126     void setFillRule(WindRule val) { svg_inherited_flags._fillRule = val; }
setJoinStyle(LineJoin val)127     void setJoinStyle(LineJoin val) { svg_inherited_flags._joinStyle = val; }
setShapeRendering(EShapeRendering val)128     void setShapeRendering(EShapeRendering val) { svg_inherited_flags._shapeRendering = val; }
setTextAnchor(ETextAnchor val)129     void setTextAnchor(ETextAnchor val) { svg_inherited_flags._textAnchor = val; }
setWritingMode(SVGWritingMode val)130     void setWritingMode(SVGWritingMode val) { svg_inherited_flags._writingMode = val; }
setGlyphOrientationHorizontal(EGlyphOrientation val)131     void setGlyphOrientationHorizontal(EGlyphOrientation val) { svg_inherited_flags._glyphOrientationHorizontal = val; }
setGlyphOrientationVertical(EGlyphOrientation val)132     void setGlyphOrientationVertical(EGlyphOrientation val) { svg_inherited_flags._glyphOrientationVertical = val; }
setMaskType(EMaskType val)133     void setMaskType(EMaskType val) { svg_noninherited_flags.f.maskType = val; }
setPaintOrder(EPaintOrder val)134     void setPaintOrder(EPaintOrder val) { svg_inherited_flags._paintOrder = (int)val; }
135 
setFillOpacity(float obj)136     void setFillOpacity(float obj)
137     {
138         if (!(fill->opacity == obj))
139             fill.access()->opacity = obj;
140     }
141 
142     void setFillPaint(SVGPaintType type, const Color& color, const String& uri, bool applyToRegularStyle = true, bool applyToVisitedLinkStyle = false)
143     {
144         if (applyToRegularStyle) {
145             if (!(fill->paintType == type))
146                 fill.access()->paintType = type;
147             if (!(fill->paintColor == color))
148                 fill.access()->paintColor = color;
149             if (!(fill->paintUri == uri))
150                 fill.access()->paintUri = uri;
151         }
152         if (applyToVisitedLinkStyle) {
153             if (!(fill->visitedLinkPaintType == type))
154                 fill.access()->visitedLinkPaintType = type;
155             if (!(fill->visitedLinkPaintColor == color))
156                 fill.access()->visitedLinkPaintColor = color;
157             if (!(fill->visitedLinkPaintUri == uri))
158                 fill.access()->visitedLinkPaintUri = uri;
159         }
160     }
161 
setStrokeOpacity(float obj)162     void setStrokeOpacity(float obj)
163     {
164         if (!(stroke->opacity == obj))
165             stroke.access()->opacity = obj;
166     }
167 
168     void setStrokePaint(SVGPaintType type, const Color& color, const String& uri, bool applyToRegularStyle = true, bool applyToVisitedLinkStyle = false)
169     {
170         if (applyToRegularStyle) {
171             if (!(stroke->paintType == type))
172                 stroke.access()->paintType = type;
173             if (!(stroke->paintColor == color))
174                 stroke.access()->paintColor = color;
175             if (!(stroke->paintUri == uri))
176                 stroke.access()->paintUri = uri;
177         }
178         if (applyToVisitedLinkStyle) {
179             if (!(stroke->visitedLinkPaintType == type))
180                 stroke.access()->visitedLinkPaintType = type;
181             if (!(stroke->visitedLinkPaintColor == color))
182                 stroke.access()->visitedLinkPaintColor = color;
183             if (!(stroke->visitedLinkPaintUri == uri))
184                 stroke.access()->visitedLinkPaintUri = uri;
185         }
186     }
187 
setStrokeDashArray(PassRefPtr<SVGLengthList> obj)188     void setStrokeDashArray(PassRefPtr<SVGLengthList> obj)
189     {
190         if (!(stroke->dashArray == obj))
191             stroke.access()->dashArray = obj;
192     }
193 
setStrokeMiterLimit(float obj)194     void setStrokeMiterLimit(float obj)
195     {
196         if (!(stroke->miterLimit == obj))
197             stroke.access()->miterLimit = obj;
198     }
199 
setStrokeWidth(PassRefPtr<SVGLength> obj)200     void setStrokeWidth(PassRefPtr<SVGLength> obj)
201     {
202         if (!(stroke->width == obj))
203             stroke.access()->width = obj;
204     }
205 
setStrokeDashOffset(PassRefPtr<SVGLength> obj)206     void setStrokeDashOffset(PassRefPtr<SVGLength> obj)
207     {
208         if (!(stroke->dashOffset == obj))
209             stroke.access()->dashOffset = obj;
210     }
211 
setStopOpacity(float obj)212     void setStopOpacity(float obj)
213     {
214         if (!(stops->opacity == obj))
215             stops.access()->opacity = obj;
216     }
217 
setStopColor(const Color & obj)218     void setStopColor(const Color& obj)
219     {
220         if (!(stops->color == obj))
221             stops.access()->color = obj;
222     }
223 
setFloodOpacity(float obj)224     void setFloodOpacity(float obj)
225     {
226         if (!(misc->floodOpacity == obj))
227             misc.access()->floodOpacity = obj;
228     }
229 
setFloodColor(const Color & obj)230     void setFloodColor(const Color& obj)
231     {
232         if (!(misc->floodColor == obj))
233             misc.access()->floodColor = obj;
234     }
235 
setLightingColor(const Color & obj)236     void setLightingColor(const Color& obj)
237     {
238         if (!(misc->lightingColor == obj))
239             misc.access()->lightingColor = obj;
240     }
241 
setBaselineShiftValue(PassRefPtr<SVGLength> obj)242     void setBaselineShiftValue(PassRefPtr<SVGLength> obj)
243     {
244         if (!(misc->baselineShiftValue == obj))
245             misc.access()->baselineShiftValue = obj;
246     }
247 
248     // Setters for non-inherited resources
setClipperResource(const AtomicString & obj)249     void setClipperResource(const AtomicString& obj)
250     {
251         if (!(resources->clipper == obj))
252             resources.access()->clipper = obj;
253     }
254 
setFilterResource(const AtomicString & obj)255     void setFilterResource(const AtomicString& obj)
256     {
257         if (!(resources->filter == obj))
258             resources.access()->filter = obj;
259     }
260 
setMaskerResource(const AtomicString & obj)261     void setMaskerResource(const AtomicString& obj)
262     {
263         if (!(resources->masker == obj))
264             resources.access()->masker = obj;
265     }
266 
267     // Setters for inherited resources
setMarkerStartResource(const AtomicString & obj)268     void setMarkerStartResource(const AtomicString& obj)
269     {
270         if (!(inheritedResources->markerStart == obj))
271             inheritedResources.access()->markerStart = obj;
272     }
273 
setMarkerMidResource(const AtomicString & obj)274     void setMarkerMidResource(const AtomicString& obj)
275     {
276         if (!(inheritedResources->markerMid == obj))
277             inheritedResources.access()->markerMid = obj;
278     }
279 
setMarkerEndResource(const AtomicString & obj)280     void setMarkerEndResource(const AtomicString& obj)
281     {
282         if (!(inheritedResources->markerEnd == obj))
283             inheritedResources.access()->markerEnd = obj;
284     }
285 
286     // Read accessors for all the properties
alignmentBaseline()287     EAlignmentBaseline alignmentBaseline() const { return (EAlignmentBaseline) svg_noninherited_flags.f._alignmentBaseline; }
dominantBaseline()288     EDominantBaseline dominantBaseline() const { return (EDominantBaseline) svg_noninherited_flags.f._dominantBaseline; }
baselineShift()289     EBaselineShift baselineShift() const { return (EBaselineShift) svg_noninherited_flags.f._baselineShift; }
vectorEffect()290     EVectorEffect vectorEffect() const { return (EVectorEffect) svg_noninherited_flags.f._vectorEffect; }
bufferedRendering()291     EBufferedRendering bufferedRendering() const { return (EBufferedRendering) svg_noninherited_flags.f.bufferedRendering; }
capStyle()292     LineCap capStyle() const { return (LineCap) svg_inherited_flags._capStyle; }
clipRule()293     WindRule clipRule() const { return (WindRule) svg_inherited_flags._clipRule; }
colorInterpolation()294     EColorInterpolation colorInterpolation() const { return (EColorInterpolation) svg_inherited_flags._colorInterpolation; }
colorInterpolationFilters()295     EColorInterpolation colorInterpolationFilters() const { return (EColorInterpolation) svg_inherited_flags._colorInterpolationFilters; }
colorRendering()296     EColorRendering colorRendering() const { return (EColorRendering) svg_inherited_flags._colorRendering; }
fillRule()297     WindRule fillRule() const { return (WindRule) svg_inherited_flags._fillRule; }
joinStyle()298     LineJoin joinStyle() const { return (LineJoin) svg_inherited_flags._joinStyle; }
shapeRendering()299     EShapeRendering shapeRendering() const { return (EShapeRendering) svg_inherited_flags._shapeRendering; }
textAnchor()300     ETextAnchor textAnchor() const { return (ETextAnchor) svg_inherited_flags._textAnchor; }
writingMode()301     SVGWritingMode writingMode() const { return (SVGWritingMode) svg_inherited_flags._writingMode; }
glyphOrientationHorizontal()302     EGlyphOrientation glyphOrientationHorizontal() const { return (EGlyphOrientation) svg_inherited_flags._glyphOrientationHorizontal; }
glyphOrientationVertical()303     EGlyphOrientation glyphOrientationVertical() const { return (EGlyphOrientation) svg_inherited_flags._glyphOrientationVertical; }
fillOpacity()304     float fillOpacity() const { return fill->opacity; }
fillPaintType()305     const SVGPaintType& fillPaintType() const { return fill->paintType; }
fillPaintColor()306     const Color& fillPaintColor() const { return fill->paintColor; }
fillPaintUri()307     const String& fillPaintUri() const { return fill->paintUri; }
strokeOpacity()308     float strokeOpacity() const { return stroke->opacity; }
strokePaintType()309     const SVGPaintType& strokePaintType() const { return stroke->paintType; }
strokePaintColor()310     const Color& strokePaintColor() const { return stroke->paintColor; }
strokePaintUri()311     const String& strokePaintUri() const { return stroke->paintUri; }
strokeDashArray()312     SVGLengthList* strokeDashArray() const { return stroke->dashArray.get(); }
strokeMiterLimit()313     float strokeMiterLimit() const { return stroke->miterLimit; }
strokeWidth()314     SVGLength* strokeWidth() const { return stroke->width.get(); }
strokeDashOffset()315     SVGLength* strokeDashOffset() const { return stroke->dashOffset.get(); }
stopOpacity()316     float stopOpacity() const { return stops->opacity; }
stopColor()317     const Color& stopColor() const { return stops->color; }
floodOpacity()318     float floodOpacity() const { return misc->floodOpacity; }
floodColor()319     const Color& floodColor() const { return misc->floodColor; }
lightingColor()320     const Color& lightingColor() const { return misc->lightingColor; }
baselineShiftValue()321     SVGLength* baselineShiftValue() const { return misc->baselineShiftValue.get(); }
clipperResource()322     const AtomicString& clipperResource() const { return resources->clipper; }
filterResource()323     const AtomicString& filterResource() const { return resources->filter; }
maskerResource()324     const AtomicString& maskerResource() const { return resources->masker; }
markerStartResource()325     const AtomicString& markerStartResource() const { return inheritedResources->markerStart; }
markerMidResource()326     const AtomicString& markerMidResource() const { return inheritedResources->markerMid; }
markerEndResource()327     const AtomicString& markerEndResource() const { return inheritedResources->markerEnd; }
maskType()328     EMaskType maskType() const { return (EMaskType) svg_noninherited_flags.f.maskType; }
paintOrder()329     EPaintOrder paintOrder() const { return (EPaintOrder) svg_inherited_flags._paintOrder; }
330     EPaintOrderType paintOrderType(unsigned index) const;
331 
visitedLinkFillPaintType()332     const SVGPaintType& visitedLinkFillPaintType() const { return fill->visitedLinkPaintType; }
visitedLinkFillPaintColor()333     const Color& visitedLinkFillPaintColor() const { return fill->visitedLinkPaintColor; }
visitedLinkFillPaintUri()334     const String& visitedLinkFillPaintUri() const { return fill->visitedLinkPaintUri; }
visitedLinkStrokePaintType()335     const SVGPaintType& visitedLinkStrokePaintType() const { return stroke->visitedLinkPaintType; }
visitedLinkStrokePaintColor()336     const Color& visitedLinkStrokePaintColor() const { return stroke->visitedLinkPaintColor; }
visitedLinkStrokePaintUri()337     const String& visitedLinkStrokePaintUri() const { return stroke->visitedLinkPaintUri; }
338 
339     // convenience
hasClipper()340     bool hasClipper() const { return !clipperResource().isEmpty(); }
hasMasker()341     bool hasMasker() const { return !maskerResource().isEmpty(); }
hasFilter()342     bool hasFilter() const { return !filterResource().isEmpty(); }
hasMarkers()343     bool hasMarkers() const { return !markerStartResource().isEmpty() || !markerMidResource().isEmpty() || !markerEndResource().isEmpty(); }
hasStroke()344     bool hasStroke() const { return strokePaintType() != SVG_PAINTTYPE_NONE; }
hasVisibleStroke()345     bool hasVisibleStroke() const { return hasStroke() && !strokeWidth()->isZero(); }
hasFill()346     bool hasFill() const { return fillPaintType() != SVG_PAINTTYPE_NONE; }
isVerticalWritingMode()347     bool isVerticalWritingMode() const { return writingMode() == WM_TBRL || writingMode() == WM_TB; }
348 
349 protected:
350     // inherit
351     struct InheritedFlags {
352         bool operator==(const InheritedFlags& other) const
353         {
354             return (_colorRendering == other._colorRendering)
355                 && (_shapeRendering == other._shapeRendering)
356                 && (_clipRule == other._clipRule)
357                 && (_fillRule == other._fillRule)
358                 && (_capStyle == other._capStyle)
359                 && (_joinStyle == other._joinStyle)
360                 && (_textAnchor == other._textAnchor)
361                 && (_colorInterpolation == other._colorInterpolation)
362                 && (_colorInterpolationFilters == other._colorInterpolationFilters)
363                 && (_writingMode == other._writingMode)
364                 && (_glyphOrientationHorizontal == other._glyphOrientationHorizontal)
365                 && (_glyphOrientationVertical == other._glyphOrientationVertical)
366                 && (_paintOrder == other._paintOrder);
367         }
368 
369         bool operator!=(const InheritedFlags& other) const
370         {
371             return !(*this == other);
372         }
373 
374         unsigned _colorRendering : 2; // EColorRendering
375         unsigned _shapeRendering : 2; // EShapeRendering
376         unsigned _clipRule : 1; // WindRule
377         unsigned _fillRule : 1; // WindRule
378         unsigned _capStyle : 2; // LineCap
379         unsigned _joinStyle : 2; // LineJoin
380         unsigned _textAnchor : 2; // ETextAnchor
381         unsigned _colorInterpolation : 2; // EColorInterpolation
382         unsigned _colorInterpolationFilters : 2; // EColorInterpolation
383         unsigned _writingMode : 3; // SVGWritingMode
384         unsigned _glyphOrientationHorizontal : 3; // EGlyphOrientation
385         unsigned _glyphOrientationVertical : 3; // EGlyphOrientation
386         unsigned _paintOrder : 6; // EPaintOrder
387     } svg_inherited_flags;
388 
389     // don't inherit
390     struct NonInheritedFlags {
391         // 32 bit non-inherited, don't add to the struct, or the operator will break.
392         bool operator==(const NonInheritedFlags &other) const { return _niflags == other._niflags; }
393         bool operator!=(const NonInheritedFlags &other) const { return _niflags != other._niflags; }
394 
395         union {
396             struct {
397                 unsigned _alignmentBaseline : 4; // EAlignmentBaseline
398                 unsigned _dominantBaseline : 4; // EDominantBaseline
399                 unsigned _baselineShift : 2; // EBaselineShift
400                 unsigned _vectorEffect: 1; // EVectorEffect
401                 unsigned bufferedRendering: 2; // EBufferedRendering
402                 unsigned maskType: 1; // EMaskType
403                 // 18 bits unused
404             } f;
405             uint32_t _niflags;
406         };
407     } svg_noninherited_flags;
408 
409     // inherited attributes
410     DataRef<StyleFillData> fill;
411     DataRef<StyleStrokeData> stroke;
412     DataRef<StyleInheritedResourceData> inheritedResources;
413 
414     // non-inherited attributes
415     DataRef<StyleStopData> stops;
416     DataRef<StyleMiscData> misc;
417     DataRef<StyleResourceData> resources;
418 
419 private:
420     enum CreateDefaultType { CreateDefault };
421 
422     SVGRenderStyle();
423     SVGRenderStyle(const SVGRenderStyle&);
424     SVGRenderStyle(CreateDefaultType); // Used to create the default style.
425 
426     bool diffNeedsLayoutAndPaintInvalidation(const SVGRenderStyle* other) const;
427     bool diffNeedsPaintInvalidation(const SVGRenderStyle* other) const;
428 
setBitDefaults()429     void setBitDefaults()
430     {
431         svg_inherited_flags._clipRule = initialClipRule();
432         svg_inherited_flags._colorRendering = initialColorRendering();
433         svg_inherited_flags._fillRule = initialFillRule();
434         svg_inherited_flags._shapeRendering = initialShapeRendering();
435         svg_inherited_flags._textAnchor = initialTextAnchor();
436         svg_inherited_flags._capStyle = initialCapStyle();
437         svg_inherited_flags._joinStyle = initialJoinStyle();
438         svg_inherited_flags._colorInterpolation = initialColorInterpolation();
439         svg_inherited_flags._colorInterpolationFilters = initialColorInterpolationFilters();
440         svg_inherited_flags._writingMode = initialWritingMode();
441         svg_inherited_flags._glyphOrientationHorizontal = initialGlyphOrientationHorizontal();
442         svg_inherited_flags._glyphOrientationVertical = initialGlyphOrientationVertical();
443         svg_inherited_flags._paintOrder = initialPaintOrder();
444 
445         svg_noninherited_flags._niflags = 0;
446         svg_noninherited_flags.f._alignmentBaseline = initialAlignmentBaseline();
447         svg_noninherited_flags.f._dominantBaseline = initialDominantBaseline();
448         svg_noninherited_flags.f._baselineShift = initialBaselineShift();
449         svg_noninherited_flags.f._vectorEffect = initialVectorEffect();
450         svg_noninherited_flags.f.bufferedRendering = initialBufferedRendering();
451         svg_noninherited_flags.f.maskType = initialMaskType();
452     }
453 };
454 
455 } // namespace blink
456 
457 #endif // SVGRenderStyle_h
458