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| 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 SVGComputedStyle_h | |
| 24 #define SVGComputedStyle_h | |
| 25 | |
| 26 #include "core/layout/style/DataRef.h" | |
| 27 #include "core/layout/style/ComputedStyleConstants.h" | |
| 28 #include "core/layout/style/SVGComputedStyleDefs.h" | |
| 29 #include "core/layout/style/StyleDifference.h" | |
| 30 #include "platform/Length.h" | |
| 31 #include "platform/graphics/GraphicsTypes.h" | |
| 32 #include "platform/graphics/Path.h" | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 class SVGComputedStyle : public RefCounted<SVGComputedStyle> { | |
| 37 public: | |
| 38 static PassRefPtr<SVGComputedStyle> create() { return adoptRef(new SVGComput
edStyle); } | |
| 39 PassRefPtr<SVGComputedStyle> copy() const { return adoptRef(new SVGComputedS
tyle(*this));} | |
| 40 ~SVGComputedStyle(); | |
| 41 | |
| 42 bool inheritedNotEqual(const SVGComputedStyle*) const; | |
| 43 void inheritFrom(const SVGComputedStyle*); | |
| 44 void copyNonInheritedFromCached(const SVGComputedStyle*); | |
| 45 | |
| 46 StyleDifference diff(const SVGComputedStyle*) const; | |
| 47 | |
| 48 bool operator==(const SVGComputedStyle&) const; | |
| 49 bool operator!=(const SVGComputedStyle& o) const { return !(*this == o); } | |
| 50 | |
| 51 // Initial values for all the properties | |
| 52 static EAlignmentBaseline initialAlignmentBaseline() { return AB_AUTO; } | |
| 53 static EDominantBaseline initialDominantBaseline() { return DB_AUTO; } | |
| 54 static EBaselineShift initialBaselineShift() { return BS_LENGTH; } | |
| 55 static Length initialBaselineShiftValue() { return Length(Fixed); } | |
| 56 static EVectorEffect initialVectorEffect() { return VE_NONE; } | |
| 57 static EBufferedRendering initialBufferedRendering() { return BR_AUTO; } | |
| 58 static LineCap initialCapStyle() { return ButtCap; } | |
| 59 static WindRule initialClipRule() { return RULE_NONZERO; } | |
| 60 static EColorInterpolation initialColorInterpolation() { return CI_SRGB; } | |
| 61 static EColorInterpolation initialColorInterpolationFilters() { return CI_LI
NEARRGB; } | |
| 62 static EColorRendering initialColorRendering() { return CR_AUTO; } | |
| 63 static WindRule initialFillRule() { return RULE_NONZERO; } | |
| 64 static LineJoin initialJoinStyle() { return MiterJoin; } | |
| 65 static EShapeRendering initialShapeRendering() { return SR_AUTO; } | |
| 66 static ETextAnchor initialTextAnchor() { return TA_START; } | |
| 67 static SVGWritingMode initialWritingMode() { return WM_LRTB; } | |
| 68 static EGlyphOrientation initialGlyphOrientationHorizontal() { return GO_0DE
G; } | |
| 69 static EGlyphOrientation initialGlyphOrientationVertical() { return GO_AUTO;
} | |
| 70 static float initialFillOpacity() { return 1; } | |
| 71 static SVGPaintType initialFillPaintType() { return SVG_PAINTTYPE_RGBCOLOR;
} | |
| 72 static Color initialFillPaintColor() { return Color::black; } | |
| 73 static String initialFillPaintUri() { return String(); } | |
| 74 static float initialStrokeOpacity() { return 1; } | |
| 75 static SVGPaintType initialStrokePaintType() { return SVG_PAINTTYPE_NONE; } | |
| 76 static Color initialStrokePaintColor() { return Color(); } | |
| 77 static String initialStrokePaintUri() { return String(); } | |
| 78 static PassRefPtr<SVGDashArray> initialStrokeDashArray(); | |
| 79 static Length initialStrokeDashOffset() { return Length(Fixed); } | |
| 80 static float initialStrokeMiterLimit() { return 4; } | |
| 81 static UnzoomedLength initialStrokeWidth() { return UnzoomedLength(Length(1,
Fixed)); } | |
| 82 static float initialStopOpacity() { return 1; } | |
| 83 static Color initialStopColor() { return Color(0, 0, 0); } | |
| 84 static float initialFloodOpacity() { return 1; } | |
| 85 static Color initialFloodColor() { return Color(0, 0, 0); } | |
| 86 static Color initialLightingColor() { return Color(255, 255, 255); } | |
| 87 static const AtomicString& initialClipperResource() { return nullAtom; } | |
| 88 static const AtomicString& initialFilterResource() { return nullAtom; } | |
| 89 static const AtomicString& initialMaskerResource() { return nullAtom; } | |
| 90 static const AtomicString& initialMarkerStartResource() { return nullAtom; } | |
| 91 static const AtomicString& initialMarkerMidResource() { return nullAtom; } | |
| 92 static const AtomicString& initialMarkerEndResource() { return nullAtom; } | |
| 93 static EMaskType initialMaskType() { return MT_LUMINANCE; } | |
| 94 static EPaintOrder initialPaintOrder() { return PO_NORMAL; } | |
| 95 static Length initialCx() { return Length(Fixed); } | |
| 96 static Length initialCy() { return Length(Fixed); } | |
| 97 static Length initialX() { return Length(Fixed); } | |
| 98 static Length initialY() { return Length(Fixed); } | |
| 99 static Length initialR() { return Length(Fixed); } | |
| 100 static Length initialRx() { return Length(Fixed); } | |
| 101 static Length initialRy() { return Length(Fixed); } | |
| 102 | |
| 103 // SVG CSS Property setters | |
| 104 void setAlignmentBaseline(EAlignmentBaseline val) { svg_noninherited_flags.f
._alignmentBaseline = val; } | |
| 105 void setDominantBaseline(EDominantBaseline val) { svg_noninherited_flags.f._
dominantBaseline = val; } | |
| 106 void setBaselineShift(EBaselineShift val) { svg_noninherited_flags.f._baseli
neShift = val; } | |
| 107 void setVectorEffect(EVectorEffect val) { svg_noninherited_flags.f._vectorEf
fect = val; } | |
| 108 void setBufferedRendering(EBufferedRendering val) { svg_noninherited_flags.f
.bufferedRendering = val; } | |
| 109 void setCapStyle(LineCap val) { svg_inherited_flags._capStyle = val; } | |
| 110 void setClipRule(WindRule val) { svg_inherited_flags._clipRule = val; } | |
| 111 void setColorInterpolation(EColorInterpolation val) { svg_inherited_flags._c
olorInterpolation = val; } | |
| 112 void setColorInterpolationFilters(EColorInterpolation val) { svg_inherited_f
lags._colorInterpolationFilters = val; } | |
| 113 void setColorRendering(EColorRendering val) { svg_inherited_flags._colorRend
ering = val; } | |
| 114 void setFillRule(WindRule val) { svg_inherited_flags._fillRule = val; } | |
| 115 void setJoinStyle(LineJoin val) { svg_inherited_flags._joinStyle = val; } | |
| 116 void setShapeRendering(EShapeRendering val) { svg_inherited_flags._shapeRend
ering = val; } | |
| 117 void setTextAnchor(ETextAnchor val) { svg_inherited_flags._textAnchor = val;
} | |
| 118 void setWritingMode(SVGWritingMode val) { svg_inherited_flags._writingMode =
val; } | |
| 119 void setGlyphOrientationHorizontal(EGlyphOrientation val) { svg_inherited_fl
ags._glyphOrientationHorizontal = val; } | |
| 120 void setGlyphOrientationVertical(EGlyphOrientation val) { svg_inherited_flag
s._glyphOrientationVertical = val; } | |
| 121 void setMaskType(EMaskType val) { svg_noninherited_flags.f.maskType = val; } | |
| 122 void setPaintOrder(EPaintOrder val) { svg_inherited_flags._paintOrder = (int
)val; } | |
| 123 void setCx(const Length& obj) | |
| 124 { | |
| 125 if (!(layout->cx == obj)) | |
| 126 layout.access()->cx = obj; | |
| 127 } | |
| 128 void setCy(const Length& obj) | |
| 129 { | |
| 130 if (!(layout->cy == obj)) | |
| 131 layout.access()->cy = obj; | |
| 132 } | |
| 133 void setX(const Length& obj) | |
| 134 { | |
| 135 if (!(layout->x == obj)) | |
| 136 layout.access()->x = obj; | |
| 137 } | |
| 138 void setY(const Length& obj) | |
| 139 { | |
| 140 if (!(layout->y == obj)) | |
| 141 layout.access()->y = obj; | |
| 142 } | |
| 143 void setR(const Length& obj) | |
| 144 { | |
| 145 if (!(layout->r == obj)) | |
| 146 layout.access()->r = obj; | |
| 147 } | |
| 148 void setRx(const Length& obj) | |
| 149 { | |
| 150 if (!(layout->rx == obj)) | |
| 151 layout.access()->rx = obj; | |
| 152 } | |
| 153 void setRy(const Length& obj) | |
| 154 { | |
| 155 if (!(layout->ry == obj)) | |
| 156 layout.access()->ry = obj; | |
| 157 } | |
| 158 void setFillOpacity(float obj) | |
| 159 { | |
| 160 if (!(fill->opacity == obj)) | |
| 161 fill.access()->opacity = obj; | |
| 162 } | |
| 163 | |
| 164 void setFillPaint(SVGPaintType type, const Color& color, const String& uri,
bool applyToRegularStyle = true, bool applyToVisitedLinkStyle = false) | |
| 165 { | |
| 166 if (applyToRegularStyle) { | |
| 167 if (!(fill->paintType == type)) | |
| 168 fill.access()->paintType = type; | |
| 169 if (!(fill->paintColor == color)) | |
| 170 fill.access()->paintColor = color; | |
| 171 if (!(fill->paintUri == uri)) | |
| 172 fill.access()->paintUri = uri; | |
| 173 } | |
| 174 if (applyToVisitedLinkStyle) { | |
| 175 if (!(fill->visitedLinkPaintType == type)) | |
| 176 fill.access()->visitedLinkPaintType = type; | |
| 177 if (!(fill->visitedLinkPaintColor == color)) | |
| 178 fill.access()->visitedLinkPaintColor = color; | |
| 179 if (!(fill->visitedLinkPaintUri == uri)) | |
| 180 fill.access()->visitedLinkPaintUri = uri; | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 void setStrokeOpacity(float obj) | |
| 185 { | |
| 186 if (!(stroke->opacity == obj)) | |
| 187 stroke.access()->opacity = obj; | |
| 188 } | |
| 189 | |
| 190 void setStrokePaint(SVGPaintType type, const Color& color, const String& uri
, bool applyToRegularStyle = true, bool applyToVisitedLinkStyle = false) | |
| 191 { | |
| 192 if (applyToRegularStyle) { | |
| 193 if (!(stroke->paintType == type)) | |
| 194 stroke.access()->paintType = type; | |
| 195 if (!(stroke->paintColor == color)) | |
| 196 stroke.access()->paintColor = color; | |
| 197 if (!(stroke->paintUri == uri)) | |
| 198 stroke.access()->paintUri = uri; | |
| 199 } | |
| 200 if (applyToVisitedLinkStyle) { | |
| 201 if (!(stroke->visitedLinkPaintType == type)) | |
| 202 stroke.access()->visitedLinkPaintType = type; | |
| 203 if (!(stroke->visitedLinkPaintColor == color)) | |
| 204 stroke.access()->visitedLinkPaintColor = color; | |
| 205 if (!(stroke->visitedLinkPaintUri == uri)) | |
| 206 stroke.access()->visitedLinkPaintUri = uri; | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 void setStrokeDashArray(PassRefPtr<SVGDashArray> dashArray) | |
| 211 { | |
| 212 if (*stroke->dashArray != *dashArray) | |
| 213 stroke.access()->dashArray = dashArray; | |
| 214 } | |
| 215 | |
| 216 void setStrokeMiterLimit(float obj) | |
| 217 { | |
| 218 if (!(stroke->miterLimit == obj)) | |
| 219 stroke.access()->miterLimit = obj; | |
| 220 } | |
| 221 | |
| 222 void setStrokeWidth(const UnzoomedLength& strokeWidth) | |
| 223 { | |
| 224 if (!(stroke->width == strokeWidth)) | |
| 225 stroke.access()->width = strokeWidth; | |
| 226 } | |
| 227 | |
| 228 void setStrokeDashOffset(const Length& dashOffset) | |
| 229 { | |
| 230 if (!(stroke->dashOffset == dashOffset)) | |
| 231 stroke.access()->dashOffset = dashOffset; | |
| 232 } | |
| 233 | |
| 234 void setStopOpacity(float obj) | |
| 235 { | |
| 236 if (!(stops->opacity == obj)) | |
| 237 stops.access()->opacity = obj; | |
| 238 } | |
| 239 | |
| 240 void setStopColor(const Color& obj) | |
| 241 { | |
| 242 if (!(stops->color == obj)) | |
| 243 stops.access()->color = obj; | |
| 244 } | |
| 245 | |
| 246 void setFloodOpacity(float obj) | |
| 247 { | |
| 248 if (!(misc->floodOpacity == obj)) | |
| 249 misc.access()->floodOpacity = obj; | |
| 250 } | |
| 251 | |
| 252 void setFloodColor(const Color& obj) | |
| 253 { | |
| 254 if (!(misc->floodColor == obj)) | |
| 255 misc.access()->floodColor = obj; | |
| 256 } | |
| 257 | |
| 258 void setLightingColor(const Color& obj) | |
| 259 { | |
| 260 if (!(misc->lightingColor == obj)) | |
| 261 misc.access()->lightingColor = obj; | |
| 262 } | |
| 263 | |
| 264 void setBaselineShiftValue(const Length& baselineShiftValue) | |
| 265 { | |
| 266 if (!(misc->baselineShiftValue == baselineShiftValue)) | |
| 267 misc.access()->baselineShiftValue = baselineShiftValue; | |
| 268 } | |
| 269 | |
| 270 // Setters for non-inherited resources | |
| 271 void setClipperResource(const AtomicString& obj) | |
| 272 { | |
| 273 if (!(resources->clipper == obj)) | |
| 274 resources.access()->clipper = obj; | |
| 275 } | |
| 276 | |
| 277 void setFilterResource(const AtomicString& obj) | |
| 278 { | |
| 279 if (!(resources->filter == obj)) | |
| 280 resources.access()->filter = obj; | |
| 281 } | |
| 282 | |
| 283 void setMaskerResource(const AtomicString& obj) | |
| 284 { | |
| 285 if (!(resources->masker == obj)) | |
| 286 resources.access()->masker = obj; | |
| 287 } | |
| 288 | |
| 289 // Setters for inherited resources | |
| 290 void setMarkerStartResource(const AtomicString& obj) | |
| 291 { | |
| 292 if (!(inheritedResources->markerStart == obj)) | |
| 293 inheritedResources.access()->markerStart = obj; | |
| 294 } | |
| 295 | |
| 296 void setMarkerMidResource(const AtomicString& obj) | |
| 297 { | |
| 298 if (!(inheritedResources->markerMid == obj)) | |
| 299 inheritedResources.access()->markerMid = obj; | |
| 300 } | |
| 301 | |
| 302 void setMarkerEndResource(const AtomicString& obj) | |
| 303 { | |
| 304 if (!(inheritedResources->markerEnd == obj)) | |
| 305 inheritedResources.access()->markerEnd = obj; | |
| 306 } | |
| 307 | |
| 308 // Read accessors for all the properties | |
| 309 EAlignmentBaseline alignmentBaseline() const { return (EAlignmentBaseline) s
vg_noninherited_flags.f._alignmentBaseline; } | |
| 310 EDominantBaseline dominantBaseline() const { return (EDominantBaseline) svg_
noninherited_flags.f._dominantBaseline; } | |
| 311 EBaselineShift baselineShift() const { return (EBaselineShift) svg_noninheri
ted_flags.f._baselineShift; } | |
| 312 EVectorEffect vectorEffect() const { return (EVectorEffect) svg_noninherited
_flags.f._vectorEffect; } | |
| 313 EBufferedRendering bufferedRendering() const { return (EBufferedRendering) s
vg_noninherited_flags.f.bufferedRendering; } | |
| 314 LineCap capStyle() const { return (LineCap) svg_inherited_flags._capStyle; } | |
| 315 WindRule clipRule() const { return (WindRule) svg_inherited_flags._clipRule;
} | |
| 316 EColorInterpolation colorInterpolation() const { return (EColorInterpolation
) svg_inherited_flags._colorInterpolation; } | |
| 317 EColorInterpolation colorInterpolationFilters() const { return (EColorInterp
olation) svg_inherited_flags._colorInterpolationFilters; } | |
| 318 EColorRendering colorRendering() const { return (EColorRendering) svg_inheri
ted_flags._colorRendering; } | |
| 319 WindRule fillRule() const { return (WindRule) svg_inherited_flags._fillRule;
} | |
| 320 LineJoin joinStyle() const { return (LineJoin) svg_inherited_flags._joinStyl
e; } | |
| 321 EShapeRendering shapeRendering() const { return (EShapeRendering) svg_inheri
ted_flags._shapeRendering; } | |
| 322 ETextAnchor textAnchor() const { return (ETextAnchor) svg_inherited_flags._t
extAnchor; } | |
| 323 SVGWritingMode writingMode() const { return (SVGWritingMode) svg_inherited_f
lags._writingMode; } | |
| 324 EGlyphOrientation glyphOrientationHorizontal() const { return (EGlyphOrienta
tion) svg_inherited_flags._glyphOrientationHorizontal; } | |
| 325 EGlyphOrientation glyphOrientationVertical() const { return (EGlyphOrientati
on) svg_inherited_flags._glyphOrientationVertical; } | |
| 326 float fillOpacity() const { return fill->opacity; } | |
| 327 const SVGPaintType& fillPaintType() const { return fill->paintType; } | |
| 328 const Color& fillPaintColor() const { return fill->paintColor; } | |
| 329 const String& fillPaintUri() const { return fill->paintUri; } | |
| 330 float strokeOpacity() const { return stroke->opacity; } | |
| 331 const SVGPaintType& strokePaintType() const { return stroke->paintType; } | |
| 332 const Color& strokePaintColor() const { return stroke->paintColor; } | |
| 333 const String& strokePaintUri() const { return stroke->paintUri; } | |
| 334 SVGDashArray* strokeDashArray() const { return stroke->dashArray.get(); } | |
| 335 float strokeMiterLimit() const { return stroke->miterLimit; } | |
| 336 const UnzoomedLength& strokeWidth() const { return stroke->width; } | |
| 337 const Length& strokeDashOffset() const { return stroke->dashOffset; } | |
| 338 float stopOpacity() const { return stops->opacity; } | |
| 339 const Color& stopColor() const { return stops->color; } | |
| 340 float floodOpacity() const { return misc->floodOpacity; } | |
| 341 const Color& floodColor() const { return misc->floodColor; } | |
| 342 const Color& lightingColor() const { return misc->lightingColor; } | |
| 343 const Length& baselineShiftValue() const { return misc->baselineShiftValue;
} | |
| 344 const Length& cx() const { return layout->cx; } | |
| 345 const Length& cy() const { return layout->cy; } | |
| 346 const Length& x() const { return layout->x; } | |
| 347 const Length& y() const { return layout->y; } | |
| 348 const Length& r() const { return layout->r; } | |
| 349 const Length& rx() const { return layout->rx; } | |
| 350 const Length& ry() const { return layout->ry; } | |
| 351 const AtomicString& clipperResource() const { return resources->clipper; } | |
| 352 const AtomicString& filterResource() const { return resources->filter; } | |
| 353 const AtomicString& maskerResource() const { return resources->masker; } | |
| 354 const AtomicString& markerStartResource() const { return inheritedResources-
>markerStart; } | |
| 355 const AtomicString& markerMidResource() const { return inheritedResources->m
arkerMid; } | |
| 356 const AtomicString& markerEndResource() const { return inheritedResources->m
arkerEnd; } | |
| 357 EMaskType maskType() const { return (EMaskType) svg_noninherited_flags.f.mas
kType; } | |
| 358 EPaintOrder paintOrder() const { return (EPaintOrder) svg_inherited_flags._p
aintOrder; } | |
| 359 EPaintOrderType paintOrderType(unsigned index) const; | |
| 360 | |
| 361 const SVGPaintType& visitedLinkFillPaintType() const { return fill->visitedL
inkPaintType; } | |
| 362 const Color& visitedLinkFillPaintColor() const { return fill->visitedLinkPai
ntColor; } | |
| 363 const String& visitedLinkFillPaintUri() const { return fill->visitedLinkPain
tUri; } | |
| 364 const SVGPaintType& visitedLinkStrokePaintType() const { return stroke->visi
tedLinkPaintType; } | |
| 365 const Color& visitedLinkStrokePaintColor() const { return stroke->visitedLin
kPaintColor; } | |
| 366 const String& visitedLinkStrokePaintUri() const { return stroke->visitedLink
PaintUri; } | |
| 367 | |
| 368 // convenience | |
| 369 bool hasClipper() const { return !clipperResource().isEmpty(); } | |
| 370 bool hasMasker() const { return !maskerResource().isEmpty(); } | |
| 371 bool hasFilter() const { return !filterResource().isEmpty(); } | |
| 372 bool hasMarkers() const { return !markerStartResource().isEmpty() || !marker
MidResource().isEmpty() || !markerEndResource().isEmpty(); } | |
| 373 bool hasStroke() const { return strokePaintType() != SVG_PAINTTYPE_NONE; } | |
| 374 bool hasVisibleStroke() const { return hasStroke() && !strokeWidth().isZero(
); } | |
| 375 bool hasFill() const { return fillPaintType() != SVG_PAINTTYPE_NONE; } | |
| 376 bool isVerticalWritingMode() const { return writingMode() == WM_TBRL || writ
ingMode() == WM_TB; } | |
| 377 | |
| 378 protected: | |
| 379 // inherit | |
| 380 struct InheritedFlags { | |
| 381 bool operator==(const InheritedFlags& other) const | |
| 382 { | |
| 383 return (_colorRendering == other._colorRendering) | |
| 384 && (_shapeRendering == other._shapeRendering) | |
| 385 && (_clipRule == other._clipRule) | |
| 386 && (_fillRule == other._fillRule) | |
| 387 && (_capStyle == other._capStyle) | |
| 388 && (_joinStyle == other._joinStyle) | |
| 389 && (_textAnchor == other._textAnchor) | |
| 390 && (_colorInterpolation == other._colorInterpolation) | |
| 391 && (_colorInterpolationFilters == other._colorInterpolationFilte
rs) | |
| 392 && (_writingMode == other._writingMode) | |
| 393 && (_glyphOrientationHorizontal == other._glyphOrientationHorizo
ntal) | |
| 394 && (_glyphOrientationVertical == other._glyphOrientationVertical
) | |
| 395 && (_paintOrder == other._paintOrder); | |
| 396 } | |
| 397 | |
| 398 bool operator!=(const InheritedFlags& other) const | |
| 399 { | |
| 400 return !(*this == other); | |
| 401 } | |
| 402 | |
| 403 unsigned _colorRendering : 2; // EColorRendering | |
| 404 unsigned _shapeRendering : 2; // EShapeRendering | |
| 405 unsigned _clipRule : 1; // WindRule | |
| 406 unsigned _fillRule : 1; // WindRule | |
| 407 unsigned _capStyle : 2; // LineCap | |
| 408 unsigned _joinStyle : 2; // LineJoin | |
| 409 unsigned _textAnchor : 2; // ETextAnchor | |
| 410 unsigned _colorInterpolation : 2; // EColorInterpolation | |
| 411 unsigned _colorInterpolationFilters : 2; // EColorInterpolation | |
| 412 unsigned _writingMode : 3; // SVGWritingMode | |
| 413 unsigned _glyphOrientationHorizontal : 3; // EGlyphOrientation | |
| 414 unsigned _glyphOrientationVertical : 3; // EGlyphOrientation | |
| 415 unsigned _paintOrder : 6; // EPaintOrder | |
| 416 } svg_inherited_flags; | |
| 417 | |
| 418 // don't inherit | |
| 419 struct NonInheritedFlags { | |
| 420 // 32 bit non-inherited, don't add to the struct, or the operator will b
reak. | |
| 421 bool operator==(const NonInheritedFlags &other) const { return _niflags
== other._niflags; } | |
| 422 bool operator!=(const NonInheritedFlags &other) const { return _niflags
!= other._niflags; } | |
| 423 | |
| 424 union { | |
| 425 struct { | |
| 426 unsigned _alignmentBaseline : 4; // EAlignmentBaseline | |
| 427 unsigned _dominantBaseline : 4; // EDominantBaseline | |
| 428 unsigned _baselineShift : 2; // EBaselineShift | |
| 429 unsigned _vectorEffect: 1; // EVectorEffect | |
| 430 unsigned bufferedRendering: 2; // EBufferedRendering | |
| 431 unsigned maskType: 1; // EMaskType | |
| 432 // 18 bits unused | |
| 433 } f; | |
| 434 uint32_t _niflags; | |
| 435 }; | |
| 436 } svg_noninherited_flags; | |
| 437 | |
| 438 // inherited attributes | |
| 439 DataRef<StyleFillData> fill; | |
| 440 DataRef<StyleStrokeData> stroke; | |
| 441 DataRef<StyleInheritedResourceData> inheritedResources; | |
| 442 | |
| 443 // non-inherited attributes | |
| 444 DataRef<StyleStopData> stops; | |
| 445 DataRef<StyleMiscData> misc; | |
| 446 DataRef<StyleLayoutData> layout; | |
| 447 DataRef<StyleResourceData> resources; | |
| 448 | |
| 449 private: | |
| 450 enum CreateInitialType { CreateInitial }; | |
| 451 | |
| 452 SVGComputedStyle(); | |
| 453 SVGComputedStyle(const SVGComputedStyle&); | |
| 454 SVGComputedStyle(CreateInitialType); // Used to create the initial style sin
gleton. | |
| 455 | |
| 456 bool diffNeedsLayoutAndPaintInvalidation(const SVGComputedStyle* other) cons
t; | |
| 457 bool diffNeedsPaintInvalidation(const SVGComputedStyle* other) const; | |
| 458 | |
| 459 void setBitDefaults() | |
| 460 { | |
| 461 svg_inherited_flags._clipRule = initialClipRule(); | |
| 462 svg_inherited_flags._colorRendering = initialColorRendering(); | |
| 463 svg_inherited_flags._fillRule = initialFillRule(); | |
| 464 svg_inherited_flags._shapeRendering = initialShapeRendering(); | |
| 465 svg_inherited_flags._textAnchor = initialTextAnchor(); | |
| 466 svg_inherited_flags._capStyle = initialCapStyle(); | |
| 467 svg_inherited_flags._joinStyle = initialJoinStyle(); | |
| 468 svg_inherited_flags._colorInterpolation = initialColorInterpolation(); | |
| 469 svg_inherited_flags._colorInterpolationFilters = initialColorInterpolati
onFilters(); | |
| 470 svg_inherited_flags._writingMode = initialWritingMode(); | |
| 471 svg_inherited_flags._glyphOrientationHorizontal = initialGlyphOrientatio
nHorizontal(); | |
| 472 svg_inherited_flags._glyphOrientationVertical = initialGlyphOrientationV
ertical(); | |
| 473 svg_inherited_flags._paintOrder = initialPaintOrder(); | |
| 474 | |
| 475 svg_noninherited_flags._niflags = 0; | |
| 476 svg_noninherited_flags.f._alignmentBaseline = initialAlignmentBaseline()
; | |
| 477 svg_noninherited_flags.f._dominantBaseline = initialDominantBaseline(); | |
| 478 svg_noninherited_flags.f._baselineShift = initialBaselineShift(); | |
| 479 svg_noninherited_flags.f._vectorEffect = initialVectorEffect(); | |
| 480 svg_noninherited_flags.f.bufferedRendering = initialBufferedRendering(); | |
| 481 svg_noninherited_flags.f.maskType = initialMaskType(); | |
| 482 } | |
| 483 }; | |
| 484 | |
| 485 } // namespace blink | |
| 486 | |
| 487 #endif // SVGComputedStyle_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1045723009:
Move core/layout/style to core/style (Closed)
Base URL: svn://svn.chromium.org/blink/trunk