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21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_svgio.hxx"
24 
25 #include <svgio/svgreader/svgstyleattributes.hxx>
26 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
27 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
28 #include <svgio/svgreader/svgnode.hxx>
29 #include <svgio/svgreader/svgdocument.hxx>
30 #include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>
31 #include <svgio/svgreader/svggradientnode.hxx>
32 #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
33 #include <basegfx/vector/b2enums.hxx>
34 #include <drawinglayer/processor2d/linegeometryextractor2d.hxx>
35 #include <drawinglayer/processor2d/textaspolygonextractor2d.hxx>
36 #include <basegfx/polygon/b2dpolypolygoncutter.hxx>
37 #include <svgio/svgreader/svgclippathnode.hxx>
38 #include <svgio/svgreader/svgmasknode.hxx>
39 #include <basegfx/polygon/b2dpolypolygoncutter.hxx>
40 #include <basegfx/polygon/b2dpolypolygontools.hxx>
41 #include <svgio/svgreader/svgmarkernode.hxx>
42 #include <basegfx/curve/b2dcubicbezier.hxx>
43 #include <svgio/svgreader/svgpatternnode.hxx>
44 #include <drawinglayer/primitive2d/patternfillprimitive2d.hxx>
45 #include <basegfx/polygon/b2dpolygontools.hxx>
46 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
47 
48 //////////////////////////////////////////////////////////////////////////////
49 
50 namespace svgio
51 {
52     namespace svgreader
53     {
54         basegfx::B2DLineJoin StrokeLinejoinToB2DLineJoin(StrokeLinejoin aStrokeLinejoin)
55         {
56             if(StrokeLinejoin_round == aStrokeLinejoin)
57             {
58                 return basegfx::B2DLINEJOIN_ROUND;
59             }
60             else if(StrokeLinejoin_bevel == aStrokeLinejoin)
61             {
62                 return basegfx::B2DLINEJOIN_BEVEL;
63             }
64 
65             return basegfx::B2DLINEJOIN_MITER;
66         }
67 
68         com::sun::star::drawing::LineCap StrokeLinecapToDrawingLineCap(StrokeLinecap aStrokeLinecap)
69         {
70             switch(aStrokeLinecap)
71             {
72                 default: /* StrokeLinecap_notset, StrokeLinecap_butt */
73                 {
74                     return com::sun::star::drawing::LineCap_BUTT;
75                     break;
76                 }
77                 case StrokeLinecap_round:
78                 {
79                     return com::sun::star::drawing::LineCap_ROUND;
80                     break;
81                 }
82                 case StrokeLinecap_square:
83                 {
84                     return com::sun::star::drawing::LineCap_SQUARE;
85                     break;
86                 }
87             }
88         }
89 
90         FontStretch getWider(FontStretch aSource)
91         {
92             switch(aSource)
93             {
94                 case FontStretch_ultra_condensed: aSource = FontStretch_extra_condensed; break;
95                 case FontStretch_extra_condensed: aSource = FontStretch_condensed; break;
96                 case FontStretch_condensed: aSource = FontStretch_semi_condensed; break;
97                 case FontStretch_semi_condensed: aSource = FontStretch_normal; break;
98                 case FontStretch_normal: aSource = FontStretch_semi_expanded; break;
99                 case FontStretch_semi_expanded: aSource = FontStretch_expanded; break;
100                 case FontStretch_expanded: aSource = FontStretch_extra_expanded; break;
101                 case FontStretch_extra_expanded: aSource = FontStretch_ultra_expanded; break;
102                 default: break;
103             }
104 
105             return aSource;
106         }
107 
108         FontStretch getNarrower(FontStretch aSource)
109         {
110             switch(aSource)
111             {
112                 case FontStretch_extra_condensed: aSource = FontStretch_ultra_condensed; break;
113                 case FontStretch_condensed: aSource = FontStretch_extra_condensed; break;
114                 case FontStretch_semi_condensed: aSource = FontStretch_condensed; break;
115                 case FontStretch_normal: aSource = FontStretch_semi_condensed; break;
116                 case FontStretch_semi_expanded: aSource = FontStretch_normal; break;
117                 case FontStretch_expanded: aSource = FontStretch_semi_expanded; break;
118                 case FontStretch_extra_expanded: aSource = FontStretch_expanded; break;
119                 case FontStretch_ultra_expanded: aSource = FontStretch_extra_expanded; break;
120                 default: break;
121             }
122 
123             return aSource;
124         }
125 
126         FontWeight getBolder(FontWeight aSource)
127         {
128             switch(aSource)
129             {
130                 case FontWeight_100: aSource = FontWeight_200; break;
131                 case FontWeight_200: aSource = FontWeight_300; break;
132                 case FontWeight_300: aSource = FontWeight_400; break;
133                 case FontWeight_400: aSource = FontWeight_500; break;
134                 case FontWeight_500: aSource = FontWeight_600; break;
135                 case FontWeight_600: aSource = FontWeight_700; break;
136                 case FontWeight_700: aSource = FontWeight_800; break;
137                 case FontWeight_800: aSource = FontWeight_900; break;
138                 default: break;
139             }
140 
141             return aSource;
142         }
143 
144         FontWeight getLighter(FontWeight aSource)
145         {
146             switch(aSource)
147             {
148                 case FontWeight_200: aSource = FontWeight_100; break;
149                 case FontWeight_300: aSource = FontWeight_200; break;
150                 case FontWeight_400: aSource = FontWeight_300; break;
151                 case FontWeight_500: aSource = FontWeight_400; break;
152                 case FontWeight_600: aSource = FontWeight_500; break;
153                 case FontWeight_700: aSource = FontWeight_600; break;
154                 case FontWeight_800: aSource = FontWeight_700; break;
155                 case FontWeight_900: aSource = FontWeight_800; break;
156                 default: break;
157             }
158 
159             return aSource;
160         }
161 
162         ::FontWeight getVclFontWeight(FontWeight aSource)
163         {
164             ::FontWeight nRetval(WEIGHT_NORMAL);
165 
166             switch(aSource)
167             {
168                 case FontWeight_100: nRetval = WEIGHT_ULTRALIGHT; break;
169                 case FontWeight_200: nRetval = WEIGHT_LIGHT; break;
170                 case FontWeight_300: nRetval = WEIGHT_SEMILIGHT; break;
171                 case FontWeight_400: nRetval = WEIGHT_NORMAL; break;
172                 case FontWeight_500: nRetval = WEIGHT_MEDIUM; break;
173                 case FontWeight_600: nRetval = WEIGHT_SEMIBOLD; break;
174                 case FontWeight_700: nRetval = WEIGHT_BOLD; break;
175                 case FontWeight_800: nRetval = WEIGHT_ULTRABOLD; break;
176                 case FontWeight_900: nRetval = WEIGHT_BLACK; break;
177                 default: break;
178             }
179 
180             return nRetval;
181         }
182 
183         void SvgStyleAttributes::readStyle(const rtl::OUString& rCandidate)
184         {
185             const sal_Int32 nLen(rCandidate.getLength());
186             sal_Int32 nPos(0);
187 
188             while(nPos < nLen)
189             {
190                 const sal_Int32 nInitPos(nPos);
191                 skip_char(rCandidate, sal_Unicode(' '), nPos, nLen);
192                 rtl::OUStringBuffer aTokenName;
193                 copyString(rCandidate, nPos, aTokenName, nLen);
194 
195                 if(aTokenName.getLength())
196                 {
197                     skip_char(rCandidate, sal_Unicode(' '), sal_Unicode(':'), nPos, nLen);
198                     rtl::OUStringBuffer aTokenValue;
199                     copyToLimiter(rCandidate, sal_Unicode(';'), nPos, aTokenValue, nLen);
200                     skip_char(rCandidate, sal_Unicode(' '), sal_Unicode(';'), nPos, nLen);
201                     const rtl::OUString aOUTokenName(aTokenName.makeStringAndClear());
202                     const rtl::OUString aOUTokenValue(aTokenValue.makeStringAndClear());
203 
204                     parseStyleAttribute(aOUTokenName, StrToSVGToken(aOUTokenName), aOUTokenValue);
205                 }
206 
207                 if(nInitPos == nPos)
208                 {
209                     OSL_ENSURE(false, "Could not interpret on current position (!)");
210                     nPos++;
211                 }
212             }
213         }
214 
215         const SvgStyleAttributes* SvgStyleAttributes::getParentStyle() const
216         {
217             if(getCssStyleParent())
218             {
219                 return getCssStyleParent();
220             }
221 
222             if(mrOwner.getParent())
223             {
224                 return mrOwner.getParent()->getSvgStyleAttributes();
225             }
226 
227             return 0;
228         }
229 
230         void SvgStyleAttributes::add_text(
231             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
232             drawinglayer::primitive2d::Primitive2DSequence& rSource) const
233         {
234             if(rSource.hasElements())
235             {
236                 // at this point the primitives in rSource are of type TextSimplePortionPrimitive2D
237                 // or TextDecoratedPortionPrimitive2D and have the Fill Color (pAttributes->getFill())
238                 // set. When another fill is used and also evtl. stroke is set it gets necessary to
239                 // dismantle to geometry and add needed primitives
240                 const basegfx::BColor* pFill = getFill();
241                 const SvgGradientNode* pFillGradient = getSvgGradientNodeFill();
242                 const SvgPatternNode* pFillPattern = getSvgPatternNodeFill();
243                 const basegfx::BColor* pStroke = getStroke();
244                 const SvgGradientNode* pStrokeGradient = getSvgGradientNodeStroke();
245                 const SvgPatternNode* pStrokePattern = getSvgPatternNodeStroke();
246                 basegfx::B2DPolyPolygon aMergedArea;
247 
248                 if(pFillGradient || pFillPattern || pStroke || pStrokeGradient || pStrokePattern)
249                 {
250                     // text geometry is needed, create
251                     // use neutral ViewInformation and create LineGeometryExtractor2D
252                     const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
253                     drawinglayer::processor2d::TextAsPolygonExtractor2D aExtractor(aViewInformation2D);
254 
255                     // process
256                     aExtractor.process(rSource);
257 
258                     // get results
259                     const drawinglayer::processor2d::TextAsPolygonDataNodeVector& rResult = aExtractor.getTarget();
260                     const sal_uInt32 nResultCount(rResult.size());
261                     basegfx::B2DPolyPolygonVector aTextFillVector;
262                     aTextFillVector.reserve(nResultCount);
263 
264                     for(sal_uInt32 a(0); a < nResultCount; a++)
265                     {
266                         const drawinglayer::processor2d::TextAsPolygonDataNode& rCandidate = rResult[a];
267 
268                         if(rCandidate.getIsFilled())
269                         {
270                             aTextFillVector.push_back(rCandidate.getB2DPolyPolygon());
271                         }
272                     }
273 
274                     if(!aTextFillVector.empty())
275                     {
276                         aMergedArea = basegfx::tools::mergeToSinglePolyPolygon(aTextFillVector);
277                     }
278                 }
279 
280                 const bool bStrokeUsed(pStroke || pStrokeGradient || pStrokePattern);
281 
282                 // add fill. Use geometry even for simple color fill when stroke
283                 // is used, else text rendering and the geometry-based stroke will
284                 // normally not really match optically due to divrese system text
285                 // renderers
286                 if(aMergedArea.count() && (pFillGradient || pFillPattern || bStrokeUsed))
287                 {
288                     // create text fill content based on geometry
289                     add_fill(aMergedArea, rTarget, aMergedArea.getB2DRange());
290                 }
291                 else if(pFill)
292                 {
293                     // add the already prepared primitives for single color fill
294                     drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, rSource);
295                 }
296 
297                 // add stroke
298                 if(aMergedArea.count() && bStrokeUsed)
299                 {
300                     // create text stroke content
301                     add_stroke(aMergedArea, rTarget, aMergedArea.getB2DRange());
302                 }
303             }
304         }
305 
306         void SvgStyleAttributes::add_fillGradient(
307             const basegfx::B2DPolyPolygon& rPath,
308             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
309             const SvgGradientNode& rFillGradient,
310             const basegfx::B2DRange& rGeoRange) const
311         {
312             // create fill content
313             drawinglayer::primitive2d::SvgGradientEntryVector aSvgGradientEntryVector;
314 
315             // get the color stops
316             rFillGradient.collectGradientEntries(aSvgGradientEntryVector);
317 
318             if(!aSvgGradientEntryVector.empty())
319             {
320                 basegfx::B2DHomMatrix aGeoToUnit;
321                 basegfx::B2DHomMatrix aGradientTransform;
322 
323                 if(rFillGradient.getGradientTransform())
324                 {
325                     aGradientTransform = *rFillGradient.getGradientTransform();
326                 }
327 
328                 if(userSpaceOnUse == rFillGradient.getGradientUnits())
329                 {
330                     aGeoToUnit.translate(-rGeoRange.getMinX(), -rGeoRange.getMinY());
331                     aGeoToUnit.scale(1.0 / rGeoRange.getWidth(), 1.0 / rGeoRange.getHeight());
332                 }
333 
334                 if(SVGTokenLinearGradient == rFillGradient.getType())
335                 {
336                     basegfx::B2DPoint aStart(0.0, 0.0);
337                     basegfx::B2DPoint aEnd(1.0, 0.0);
338 
339                     if(userSpaceOnUse == rFillGradient.getGradientUnits())
340                     {
341                         // all possible units
342                         aStart.setX(rFillGradient.getX1().solve(mrOwner, xcoordinate));
343                         aStart.setY(rFillGradient.getY1().solve(mrOwner, ycoordinate));
344                         aEnd.setX(rFillGradient.getX2().solve(mrOwner, xcoordinate));
345                         aEnd.setY(rFillGradient.getY2().solve(mrOwner, ycoordinate));
346                     }
347                     else
348                     {
349                         // fractions or percent relative to object bounds
350                         const SvgNumber X1(rFillGradient.getX1());
351                         const SvgNumber Y1(rFillGradient.getY1());
352                         const SvgNumber X2(rFillGradient.getX2());
353                         const SvgNumber Y2(rFillGradient.getY2());
354 
355                         aStart.setX(Unit_percent == X1.getUnit() ? X1.getNumber() * 0.01 : X1.getNumber());
356                         aStart.setY(Unit_percent == Y1.getUnit() ? Y1.getNumber() * 0.01 : Y1.getNumber());
357                         aEnd.setX(Unit_percent == X2.getUnit() ? X2.getNumber() * 0.01 : X2.getNumber());
358                         aEnd.setY(Unit_percent == Y2.getUnit() ? Y2.getNumber() * 0.01 : Y2.getNumber());
359                     }
360 
361                     if(!aGeoToUnit.isIdentity())
362                     {
363                         aStart *= aGeoToUnit;
364                         aEnd *= aGeoToUnit;
365                     }
366 
367                     drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(
368                         rTarget,
369                         new drawinglayer::primitive2d::SvgLinearGradientPrimitive2D(
370                             aGradientTransform,
371                             rPath,
372                             aSvgGradientEntryVector,
373                             aStart,
374                             aEnd,
375                             userSpaceOnUse != rFillGradient.getGradientUnits(),
376                             rFillGradient.getSpreadMethod()));
377                 }
378                 else
379                 {
380                     basegfx::B2DPoint aStart(0.5, 0.5);
381                     basegfx::B2DPoint aFocal;
382                     double fRadius(0.5);
383                     const SvgNumber* pFx = rFillGradient.getFx();
384                     const SvgNumber* pFy = rFillGradient.getFy();
385                     const bool bFocal(pFx || pFy);
386 
387                     if(userSpaceOnUse == rFillGradient.getGradientUnits())
388                     {
389                         // all possible units
390                         aStart.setX(rFillGradient.getCx().solve(mrOwner, xcoordinate));
391                         aStart.setY(rFillGradient.getCy().solve(mrOwner, ycoordinate));
392                         fRadius = rFillGradient.getR().solve(mrOwner, length);
393 
394                         if(bFocal)
395                         {
396                             aFocal.setX(pFx ? pFx->solve(mrOwner, xcoordinate) : aStart.getX());
397                             aFocal.setY(pFy ? pFy->solve(mrOwner, ycoordinate) : aStart.getY());
398                         }
399                     }
400                     else
401                     {
402                         // fractions or percent relative to object bounds
403                         const SvgNumber Cx(rFillGradient.getCx());
404                         const SvgNumber Cy(rFillGradient.getCy());
405                         const SvgNumber R(rFillGradient.getR());
406 
407                         aStart.setX(Unit_percent == Cx.getUnit() ? Cx.getNumber() * 0.01 : Cx.getNumber());
408                         aStart.setY(Unit_percent == Cy.getUnit() ? Cy.getNumber() * 0.01 : Cy.getNumber());
409                         fRadius = (Unit_percent == R.getUnit()) ? R.getNumber() * 0.01 : R.getNumber();
410 
411                         if(bFocal)
412                         {
413                             aFocal.setX(pFx ? (Unit_percent == pFx->getUnit() ? pFx->getNumber() * 0.01 : pFx->getNumber()) : aStart.getX());
414                             aFocal.setY(pFy ? (Unit_percent == pFy->getUnit() ? pFy->getNumber() * 0.01 : pFy->getNumber()) : aStart.getY());
415                         }
416                     }
417 
418                     if(!aGeoToUnit.isIdentity())
419                     {
420                         aStart *= aGeoToUnit;
421                         fRadius = (aGeoToUnit * basegfx::B2DVector(fRadius, 0.0)).getLength();
422 
423                         if(bFocal)
424                         {
425                             aFocal *= aGeoToUnit;
426                         }
427                     }
428 
429                     drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(
430                         rTarget,
431                         new drawinglayer::primitive2d::SvgRadialGradientPrimitive2D(
432                             aGradientTransform,
433                             rPath,
434                             aSvgGradientEntryVector,
435                             aStart,
436                             fRadius,
437                             userSpaceOnUse != rFillGradient.getGradientUnits(),
438                             rFillGradient.getSpreadMethod(),
439                             bFocal ? &aFocal : 0));
440                 }
441             }
442         }
443 
444         void SvgStyleAttributes::add_fillPatternTransform(
445             const basegfx::B2DPolyPolygon& rPath,
446             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
447             const SvgPatternNode& rFillPattern,
448             const basegfx::B2DRange& rGeoRange) const
449         {
450             // prepare fill polyPolygon with given pattern, check for patternTransform
451             if(rFillPattern.getPatternTransform() && !rFillPattern.getPatternTransform()->isIdentity())
452             {
453                 // PatternTransform is active; Handle by filling the inverse transformed
454                 // path and back-transforming the result
455                 basegfx::B2DPolyPolygon aPath(rPath);
456                 basegfx::B2DHomMatrix aInv(*rFillPattern.getPatternTransform());
457                 drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
458 
459                 aInv.invert();
460                 aPath.transform(aInv);
461                 add_fillPattern(aPath, aNewTarget, rFillPattern, aPath.getB2DRange());
462 
463                 if(aNewTarget.hasElements())
464                 {
465                     drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(
466                         rTarget,
467                         new drawinglayer::primitive2d::TransformPrimitive2D(
468                             *rFillPattern.getPatternTransform(),
469                             aNewTarget));
470                 }
471             }
472             else
473             {
474                 // no patternTransform, create fillPattern directly
475                 add_fillPattern(rPath, rTarget, rFillPattern, rGeoRange);
476             }
477         }
478 
479         void SvgStyleAttributes::add_fillPattern(
480             const basegfx::B2DPolyPolygon& rPath,
481             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
482             const SvgPatternNode& rFillPattern,
483             const basegfx::B2DRange& rGeoRange) const
484         {
485             // fill polyPolygon with given pattern
486             const drawinglayer::primitive2d::Primitive2DSequence& rPrimitives = rFillPattern.getPatternPrimitives();
487 
488             if(rPrimitives.hasElements())
489             {
490                 double fTargetWidth(rGeoRange.getWidth());
491                 double fTargetHeight(rGeoRange.getHeight());
492 
493                 if(fTargetWidth > 0.0 && fTargetHeight > 0.0)
494                 {
495                     // get relative values from pattern
496                     double fX(0.0);
497                     double fY(0.0);
498                     double fW(0.0);
499                     double fH(0.0);
500 
501                     rFillPattern.getValuesRelative(fX, fY, fW, fH, rGeoRange, mrOwner);
502 
503                     if(fW > 0.0 && fH > 0.0)
504                     {
505                         // build the reference range relative to the rGeoRange
506                         const basegfx::B2DRange aReferenceRange(fX, fY, fX + fW, fY + fH);
507 
508                         // find out how the content is mapped to the reference range
509                         basegfx::B2DHomMatrix aMapPrimitivesToUnitRange;
510                         const basegfx::B2DRange* pViewBox = rFillPattern.getViewBox();
511 
512                         if(pViewBox)
513                         {
514                             // use viewBox/preserveAspectRatio
515                             const SvgAspectRatio& rRatio = rFillPattern.getSvgAspectRatio();
516                             const basegfx::B2DRange aUnitRange(0.0, 0.0, 1.0, 1.0);
517 
518                             if(rRatio.isSet())
519                             {
520                                 // let mapping be created from SvgAspectRatio
521                                 aMapPrimitivesToUnitRange = rRatio.createMapping(aUnitRange, *pViewBox);
522                             }
523                             else
524                             {
525                                 // choose default mapping
526                                 aMapPrimitivesToUnitRange = rRatio.createLinearMapping(aUnitRange, *pViewBox);
527                             }
528                         }
529                         else
530                         {
531                             // use patternContentUnits
532                             const SvgUnits aPatternContentUnits(rFillPattern.getPatternContentUnits() ? *rFillPattern.getPatternContentUnits() : userSpaceOnUse);
533 
534                             if(userSpaceOnUse == aPatternContentUnits)
535                             {
536                                 // create relative mapping to unit coordinates
537                                 aMapPrimitivesToUnitRange.scale(1.0 / (fW * fTargetWidth), 1.0 / (fH * fTargetHeight));
538                             }
539                             else
540                             {
541                                 aMapPrimitivesToUnitRange.scale(1.0 / fW, 1.0 / fH);
542                             }
543                         }
544 
545                         // apply aMapPrimitivesToUnitRange to content when used
546                         drawinglayer::primitive2d::Primitive2DSequence aPrimitives(rPrimitives);
547 
548                         if(!aMapPrimitivesToUnitRange.isIdentity())
549                         {
550                             const drawinglayer::primitive2d::Primitive2DReference xRef(
551                                 new drawinglayer::primitive2d::TransformPrimitive2D(
552                                     aMapPrimitivesToUnitRange,
553                                     aPrimitives));
554 
555                             aPrimitives = drawinglayer::primitive2d::Primitive2DSequence(&xRef, 1);
556                         }
557 
558                         // embed in PatternFillPrimitive2D
559                         drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(
560                             rTarget,
561                             new drawinglayer::primitive2d::PatternFillPrimitive2D(
562                                 rPath,
563                                 aPrimitives,
564                                 aReferenceRange));
565                     }
566                 }
567             }
568         }
569 
570         void SvgStyleAttributes::add_fill(
571             const basegfx::B2DPolyPolygon& rPath,
572             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
573             const basegfx::B2DRange& rGeoRange) const
574         {
575             const basegfx::BColor* pFill = getFill();
576             const SvgGradientNode* pFillGradient = getSvgGradientNodeFill();
577             const SvgPatternNode* pFillPattern = getSvgPatternNodeFill();
578 
579             if(pFill || pFillGradient || pFillPattern)
580             {
581                 const double fFillOpacity(getFillOpacity().solve(mrOwner, length));
582 
583                 if(basegfx::fTools::more(fFillOpacity, 0.0))
584                 {
585                     drawinglayer::primitive2d::Primitive2DSequence aNewFill;
586 
587                     if(pFillGradient)
588                     {
589                         // create fill content with SVG gradient primitive
590                         add_fillGradient(rPath, aNewFill, *pFillGradient, rGeoRange);
591                     }
592                     else if(pFillPattern)
593                     {
594                         // create fill content with SVG pattern primitive
595                         add_fillPatternTransform(rPath, aNewFill, *pFillPattern, rGeoRange);
596                     }
597                     else // if(pFill)
598                     {
599                         // create fill content
600                         aNewFill.realloc(1);
601                         aNewFill[0] = new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
602                             rPath,
603                             *pFill);
604                     }
605 
606                     if(aNewFill.hasElements())
607                     {
608                         if(basegfx::fTools::less(fFillOpacity, 1.0))
609                         {
610                             // embed in UnifiedTransparencePrimitive2D
611                             drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(
612                                 rTarget,
613                                 new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(
614                                     aNewFill,
615                                     1.0 - fFillOpacity));
616                         }
617                         else
618                         {
619                             // append
620                             drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewFill);
621                         }
622                     }
623                 }
624             }
625         }
626 
627         void SvgStyleAttributes::add_stroke(
628             const basegfx::B2DPolyPolygon& rPath,
629             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
630             const basegfx::B2DRange& rGeoRange) const
631         {
632             const basegfx::BColor* pStroke = getStroke();
633             const SvgGradientNode* pStrokeGradient = getSvgGradientNodeStroke();
634             const SvgPatternNode* pStrokePattern = getSvgPatternNodeStroke();
635 
636             if(pStroke || pStrokeGradient || pStrokePattern)
637             {
638                 drawinglayer::primitive2d::Primitive2DSequence aNewStroke;
639                 const double fStrokeOpacity(getStrokeOpacity().solve(mrOwner, length));
640 
641                 if(basegfx::fTools::more(fStrokeOpacity, 0.0))
642                 {
643                     // get stroke width; SVG does not use 0.0 == hairline, so 0.0 is no line at all
644                     const double fStrokeWidth(getStrokeWidth().isSet() ? getStrokeWidth().solve(mrOwner, length) : 1.0);
645 
646                     if(basegfx::fTools::more(fStrokeWidth, 0.0))
647                     {
648                         // get LineJoin, LineCap and stroke array
649                         const basegfx::B2DLineJoin aB2DLineJoin(StrokeLinejoinToB2DLineJoin(getStrokeLinejoin()));
650                         const com::sun::star::drawing::LineCap aLineCap(StrokeLinecapToDrawingLineCap(getStrokeLinecap()));
651                         ::std::vector< double > aDashArray;
652 
653                         if(!getStrokeDasharray().empty())
654                         {
655                             aDashArray = solveSvgNumberVector(getStrokeDasharray(), mrOwner, length);
656                         }
657 
658                         // todo: Handle getStrokeDashOffset()
659 
660                         // prepare line attribute
661                         drawinglayer::primitive2d::Primitive2DReference aNewLinePrimitive;
662                         const drawinglayer::attribute::LineAttribute aLineAttribute(
663                             pStroke ? *pStroke : basegfx::BColor(0.0, 0.0, 0.0),
664                             fStrokeWidth,
665                             aB2DLineJoin,
666                             aLineCap);
667 
668                         if(aDashArray.empty())
669                         {
670                             aNewLinePrimitive = new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
671                                 rPath,
672                                 aLineAttribute);
673                         }
674                         else
675                         {
676                             const drawinglayer::attribute::StrokeAttribute aStrokeAttribute(aDashArray);
677 
678                             aNewLinePrimitive = new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
679                                 rPath,
680                                 aLineAttribute,
681                                 aDashArray);
682                         }
683 
684                         if(pStrokeGradient || pStrokePattern)
685                         {
686                             // put primitive into Primitive2DReference and Primitive2DSequence
687                             const drawinglayer::primitive2d::Primitive2DSequence aSeq(&aNewLinePrimitive, 1);
688 
689                             // use neutral ViewInformation and create LineGeometryExtractor2D
690                             const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
691                             drawinglayer::processor2d::LineGeometryExtractor2D aExtractor(aViewInformation2D);
692 
693                             // process
694                             aExtractor.process(aSeq);
695 
696                             // check for fill rsults
697                             const basegfx::B2DPolyPolygonVector& rLineFillVector(aExtractor.getExtractedLineFills());
698 
699                             if(!rLineFillVector.empty())
700                             {
701                                 const basegfx::B2DPolyPolygon aMergedArea(
702                                     basegfx::tools::mergeToSinglePolyPolygon(
703                                         rLineFillVector));
704 
705                                 if(aMergedArea.count())
706                                 {
707                                     if(pStrokeGradient)
708                                     {
709                                         // create fill content with SVG gradient primitive. Use original GeoRange,
710                                         // e.g. from circle without LineWidth
711                                         add_fillGradient(aMergedArea, aNewStroke, *pStrokeGradient, rGeoRange);
712                                     }
713                                     else // if(pStrokePattern)
714                                     {
715                                         // create fill content with SVG pattern primitive. Use GeoRange
716                                         // from the expanded data, e.g. circle with extended geo by half linewidth
717                                         add_fillPatternTransform(aMergedArea, aNewStroke, *pStrokePattern, aMergedArea.getB2DRange());
718                                     }
719                                 }
720                             }
721                         }
722                         else // if(pStroke)
723                         {
724                             drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(aNewStroke, aNewLinePrimitive);
725                         }
726 
727                         if(aNewStroke.hasElements())
728                         {
729                             if(basegfx::fTools::less(fStrokeOpacity, 1.0))
730                             {
731                                 // embed in UnifiedTransparencePrimitive2D
732                                 drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(
733                                     rTarget,
734                                     new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(
735                                         aNewStroke,
736                                         1.0 - fStrokeOpacity));
737                             }
738                             else
739                             {
740                                 // append
741                                 drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewStroke);
742                             }
743                         }
744                     }
745                 }
746             }
747         }
748 
749         bool SvgStyleAttributes::prepare_singleMarker(
750             drawinglayer::primitive2d::Primitive2DSequence& rMarkerPrimitives,
751             basegfx::B2DHomMatrix& rMarkerTransform,
752             basegfx::B2DRange& rClipRange,
753             const SvgMarkerNode& rMarker) const
754         {
755             // reset return values
756             rMarkerTransform.identity();
757             rClipRange.reset();
758 
759             // get marker primitive representation
760             rMarkerPrimitives = rMarker.getMarkerPrimitives();
761 
762             if(rMarkerPrimitives.hasElements())
763             {
764                 basegfx::B2DRange aPrimitiveRange(0.0, 0.0, 1.0, 1.0);
765                 const basegfx::B2DRange* pViewBox = rMarker.getViewBox();
766 
767                 if(pViewBox)
768                 {
769                     aPrimitiveRange = *pViewBox;
770                 }
771 
772                 if(aPrimitiveRange.getWidth() > 0.0 && aPrimitiveRange.getHeight() > 0.0)
773                 {
774                     double fTargetWidth(rMarker.getMarkerWidth().isSet() ? rMarker.getMarkerWidth().solve(mrOwner, xcoordinate) : 3.0);
775                     double fTargetHeight(rMarker.getMarkerHeight().isSet() ? rMarker.getMarkerHeight().solve(mrOwner, xcoordinate) : 3.0);
776                     const bool bStrokeWidth(SvgMarkerNode::strokeWidth == rMarker.getMarkerUnits());
777                     const double fStrokeWidth(getStrokeWidth().isSet() ? getStrokeWidth().solve(mrOwner, length) : 1.0);
778 
779                     if(bStrokeWidth)
780                     {
781                         // relative to strokeWidth
782                         fTargetWidth *= fStrokeWidth;
783                         fTargetHeight *= fStrokeWidth;
784                     }
785 
786                     if(fTargetWidth > 0.0 && fTargetHeight > 0.0)
787                     {
788                         // create mapping
789                         const basegfx::B2DRange aTargetRange(0.0, 0.0, fTargetWidth, fTargetHeight);
790                         const SvgAspectRatio& rRatio = rMarker.getSvgAspectRatio();
791 
792                         if(rRatio.isSet())
793                         {
794                             // let mapping be created from SvgAspectRatio
795                             rMarkerTransform = rRatio.createMapping(aTargetRange, aPrimitiveRange);
796 
797                             if(rRatio.isMeetOrSlice())
798                             {
799                                 // need to clip
800                                 rClipRange = aPrimitiveRange;
801                             }
802                         }
803                         else
804                         {
805                             if(!pViewBox)
806                             {
807                                 if(bStrokeWidth)
808                                 {
809                                     // adapt to strokewidth if needed
810                                     rMarkerTransform.scale(fStrokeWidth, fStrokeWidth);
811                                 }
812                             }
813                             else
814                             {
815                                 // choose default mapping
816                                 rMarkerTransform = rRatio.createLinearMapping(aTargetRange, aPrimitiveRange);
817                             }
818                         }
819 
820                         // get and apply reference point. Initially it's in marker local coordinate system
821                         basegfx::B2DPoint aRefPoint(
822                             rMarker.getRefX().isSet() ? rMarker.getRefX().solve(mrOwner, xcoordinate) : 0.0,
823                             rMarker.getRefY().isSet() ? rMarker.getRefY().solve(mrOwner, ycoordinate) : 0.0);
824 
825                         // apply MarkerTransform to have it in mapped coordinates
826                         aRefPoint *= rMarkerTransform;
827 
828                         // apply by moving RepPoint to (0.0)
829                         rMarkerTransform.translate(-aRefPoint.getX(), -aRefPoint.getY());
830 
831                         return true;
832                     }
833                 }
834             }
835 
836             return false;
837         }
838 
839         void SvgStyleAttributes::add_markers(
840             const basegfx::B2DPolyPolygon& rPath,
841             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
842             const basegfx::tools::PointIndexSet* pHelpPointIndices) const
843         {
844             // try to access linked markers
845             const SvgMarkerNode* pStart = accessMarkerStartXLink();
846             const SvgMarkerNode* pMid = accessMarkerMidXLink();
847             const SvgMarkerNode* pEnd = accessMarkerEndXLink();
848 
849             if(pStart || pMid || pEnd)
850             {
851                 const sal_uInt32 nSubPathCount(rPath.count());
852 
853                 if(nSubPathCount)
854                 {
855                     // remember prepared marker; pStart, pMid and pEnd may all be equal when
856                     // only 'marker' was used instead of 'marker-start', 'marker-mid' or 'marker-end',
857                     // see 'case SVGTokenMarker' in this file; thus in this case only one common
858                     // marker in primitive form will be prepared
859                     const SvgMarkerNode* pPrepared = 0;
860 
861                     // values for the prepared marker, results of prepare_singleMarker
862                     drawinglayer::primitive2d::Primitive2DSequence aPreparedMarkerPrimitives;
863                     basegfx::B2DHomMatrix aPreparedMarkerTransform;
864                     basegfx::B2DRange aPreparedMarkerClipRange;
865 
866                     for (sal_uInt32 a(0); a < nSubPathCount; a++)
867                     {
868                         // iterate over sub-paths
869                         const basegfx::B2DPolygon aSubPolygonPath(rPath.getB2DPolygon(a));
870                         const sal_uInt32 nSubPolygonPointCount(aSubPolygonPath.count());
871                         const bool bSubPolygonPathIsClosed(aSubPolygonPath.isClosed());
872 
873                         if(nSubPolygonPointCount)
874                         {
875                             // for each sub-path, create one marker per point (when closed, two markers
876                             // need to pe created for the 1st point)
877                             const sal_uInt32 nTargetMarkerCount(bSubPolygonPathIsClosed ? nSubPolygonPointCount + 1 : nSubPolygonPointCount);
878 
879                             for (sal_uInt32 b(0); b < nTargetMarkerCount; b++)
880                             {
881                                 const bool bIsFirstMarker(!a && !b);
882                                 const bool bIsLastMarker(nSubPathCount - 1 == a && nTargetMarkerCount - 1 == b);
883                                 const SvgMarkerNode* pNeeded = 0;
884 
885                                 if(bIsFirstMarker)
886                                 {
887                                     // 1st point in 1st sub-polygon, use pStart
888                                     pNeeded = pStart;
889                                 }
890                                 else if(bIsLastMarker)
891                                 {
892                                     // last point in last sub-polygon, use pEnd
893                                     pNeeded = pEnd;
894                                 }
895                                 else
896                                 {
897                                     // anything in-between, use pMid
898                                     pNeeded = pMid;
899                                 }
900 
901                                 if(pHelpPointIndices && !pHelpPointIndices->empty())
902                                 {
903                                     const basegfx::tools::PointIndexSet::const_iterator aFound(
904                                         pHelpPointIndices->find(basegfx::tools::PointIndex(a, b)));
905 
906                                     if(aFound != pHelpPointIndices->end())
907                                     {
908                                         // this point is a pure helper point; do not create a marker for it
909                                         continue;
910                                     }
911                                 }
912 
913                                 if(!pNeeded)
914                                 {
915                                     // no marker needs to be created for this point
916                                     continue;
917                                 }
918 
919                                 if(pPrepared != pNeeded)
920                                 {
921                                     // if needed marker is not yet prepared, do it now
922                                     if(prepare_singleMarker(aPreparedMarkerPrimitives, aPreparedMarkerTransform, aPreparedMarkerClipRange, *pNeeded))
923                                     {
924                                         pPrepared = pNeeded;
925                                     }
926                                     else
927                                     {
928                                         // error: could not prepare given marker
929                                         OSL_ENSURE(false, "OOps, could not prepare given marker as primitives (!)");
930                                         pPrepared = 0;
931                                         continue;
932                                     }
933                                 }
934 
935                                 // prepare complete transform
936                                 basegfx::B2DHomMatrix aCombinedTransform(aPreparedMarkerTransform);
937 
938                                 // get rotation
939                                 if(pPrepared->getOrientAuto())
940                                 {
941                                     const sal_uInt32 nPointIndex(b % nSubPolygonPointCount);
942 
943                                     // get entering and leaving tangents; this will search backward/froward
944                                     // in the polygon to find tangents unequal to zero, skipping empty edges
945                                     // see basegfx descriptions)
946                                     // Hint: Mozilla, Inkscape and others use only leaving tangent for start marker
947                                     // and entering tangent for end marker. To achieve this (if wanted) it is possibe
948                                     // to make the fetch of aEntering/aLeaving dependent on bIsFirstMarker/bIsLastMarker.
949                                     // This is not done here, see comment 14 in task #1232379#
950                                     // or http://www.w3.org/TR/SVG/painting.html#OrientAttribute
951                                     basegfx::B2DVector aEntering(
952                                         basegfx::tools::getTangentEnteringPoint(
953                                             aSubPolygonPath,
954                                             nPointIndex));
955                                     basegfx::B2DVector aLeaving(
956                                         basegfx::tools::getTangentLeavingPoint(
957                                             aSubPolygonPath,
958                                             nPointIndex));
959                                     const bool bEntering(!aEntering.equalZero());
960                                     const bool bLeaving(!aLeaving.equalZero());
961 
962                                     if(bEntering || bLeaving)
963                                     {
964                                         basegfx::B2DVector aSum(0.0, 0.0);
965 
966                                         if(bEntering)
967                                         {
968                                             aSum += aEntering.normalize();
969                                         }
970 
971                                         if(bLeaving)
972                                         {
973                                             aSum += aLeaving.normalize();
974                                         }
975 
976                                         if(!aSum.equalZero())
977                                         {
978                                             const double fAngle(atan2(aSum.getY(), aSum.getX()));
979 
980                                             // apply rotation
981                                             aCombinedTransform.rotate(fAngle);
982                                         }
983                                     }
984                                 }
985                                 else
986                                 {
987                                     // apply rotation
988                                     aCombinedTransform.rotate(pPrepared->getAngle());
989                                 }
990 
991                                 // get and apply target position
992                                 const basegfx::B2DPoint aPoint(aSubPolygonPath.getB2DPoint(b % nSubPolygonPointCount));
993 
994                                 aCombinedTransform.translate(aPoint.getX(), aPoint.getY());
995 
996                                 // prepare marker
997                                 drawinglayer::primitive2d::Primitive2DReference xMarker(
998                                     new drawinglayer::primitive2d::TransformPrimitive2D(
999                                         aCombinedTransform,
1000                                         aPreparedMarkerPrimitives));
1001 
1002                                 if(!aPreparedMarkerClipRange.isEmpty())
1003                                 {
1004                                     // marker needs to be clipped, it's bigger as the mapping
1005                                     basegfx::B2DPolyPolygon aClipPolygon(basegfx::tools::createPolygonFromRect(aPreparedMarkerClipRange));
1006 
1007                                     aClipPolygon.transform(aCombinedTransform);
1008                                     xMarker = new drawinglayer::primitive2d::MaskPrimitive2D(
1009                                         aClipPolygon,
1010                                         drawinglayer::primitive2d::Primitive2DSequence(&xMarker, 1));
1011                                 }
1012 
1013                                 // add marker
1014                                 drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(rTarget, xMarker);
1015                             }
1016                         }
1017                     }
1018                 }
1019             }
1020         }
1021 
1022         void SvgStyleAttributes::add_path(
1023             const basegfx::B2DPolyPolygon& rPath,
1024             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
1025             const basegfx::tools::PointIndexSet* pHelpPointIndices) const
1026         {
1027             if(!rPath.count())
1028             {
1029                 // no geometry at all
1030                 return;
1031             }
1032 
1033             const basegfx::B2DRange aGeoRange(rPath.getB2DRange());
1034 
1035             if(aGeoRange.isEmpty())
1036             {
1037                 // no geometry range
1038                 return;
1039             }
1040 
1041             const double fOpacity(getOpacity().getNumber());
1042 
1043             if(basegfx::fTools::equalZero(fOpacity))
1044             {
1045                 // not visible
1046                 return;
1047             }
1048 
1049             // check if it's a line
1050             const bool bNoWidth(basegfx::fTools::equalZero(aGeoRange.getWidth()));
1051             const bool bNoHeight(basegfx::fTools::equalZero(aGeoRange.getHeight()));
1052             const bool bIsTwoPointLine(1 == rPath.count()
1053                 && !rPath.areControlPointsUsed()
1054                 && 2 == rPath.getB2DPolygon(0).count());
1055             const bool bIsLine(bIsTwoPointLine || bNoWidth || bNoHeight);
1056 
1057             if(!bIsLine)
1058             {
1059                 // create fill
1060                 basegfx::B2DPolyPolygon aPath(rPath);
1061                 const bool bNeedToCheckClipRule(SVGTokenPath == mrOwner.getType() || SVGTokenPolygon == mrOwner.getType());
1062                 const bool bClipPathIsNonzero(!bIsLine && bNeedToCheckClipRule && mbIsClipPathContent && FillRule_nonzero == maClipRule);
1063                 const bool bFillRuleIsNonzero(!bIsLine && bNeedToCheckClipRule && !mbIsClipPathContent && FillRule_nonzero == getFillRule());
1064 
1065                 if(bClipPathIsNonzero || bFillRuleIsNonzero)
1066                 {
1067                     // nonzero is wanted, solve geometrically (see description on basegfx)
1068                     aPath = basegfx::tools::createNonzeroConform(aPath);
1069                 }
1070 
1071                 add_fill(aPath, rTarget, aGeoRange);
1072             }
1073 
1074             // create stroke
1075             add_stroke(rPath, rTarget, aGeoRange);
1076 
1077             // Svg supports markers for path, polygon, polyline and line
1078             if(SVGTokenPath == mrOwner.getType() ||         // path
1079                 SVGTokenPolygon == mrOwner.getType() ||     // polygon, polyline
1080                 SVGTokenLine == mrOwner.getType())          // line
1081             {
1082                 // try to add markers
1083                 add_markers(rPath, rTarget, pHelpPointIndices);
1084             }
1085         }
1086 
1087         void SvgStyleAttributes::add_postProcess(
1088             drawinglayer::primitive2d::Primitive2DSequence& rTarget,
1089             const drawinglayer::primitive2d::Primitive2DSequence& rSource,
1090             const basegfx::B2DHomMatrix* pTransform) const
1091         {
1092             if(rSource.hasElements())
1093             {
1094                 const double fOpacity(getOpacity().getNumber());
1095 
1096                 if(basegfx::fTools::equalZero(fOpacity))
1097                 {
1098                     return;
1099                 }
1100 
1101                 drawinglayer::primitive2d::Primitive2DSequence aSource(rSource);
1102 
1103                 if(basegfx::fTools::less(fOpacity, 1.0))
1104                 {
1105                     // embed in UnifiedTransparencePrimitive2D
1106                     const drawinglayer::primitive2d::Primitive2DReference xRef(
1107                         new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(
1108                             aSource,
1109                             1.0 - fOpacity));
1110 
1111                     aSource = drawinglayer::primitive2d::Primitive2DSequence(&xRef, 1);
1112                 }
1113 
1114                 if(pTransform)
1115                 {
1116                     // create embedding group element with transformation. This applies the given
1117                     // transformation to the graphical content, but *not* to mask and/or clip (as needed)
1118                     const drawinglayer::primitive2d::Primitive2DReference xRef(
1119                         new drawinglayer::primitive2d::TransformPrimitive2D(
1120                             *pTransform,
1121                             aSource));
1122 
1123                     aSource = drawinglayer::primitive2d::Primitive2DSequence(&xRef, 1);
1124                 }
1125 
1126                 if(getClipPathXLink().getLength())
1127                 {
1128                     // try to access linked ClipPath
1129                     const SvgClipPathNode* mpClip = dynamic_cast< const SvgClipPathNode* >(mrOwner.getDocument().findSvgNodeById(getClipPathXLink()));
1130 
1131                     if(mpClip)
1132                     {
1133                         mpClip->apply(aSource);
1134                     }
1135                 }
1136 
1137                 if(aSource.hasElements()) // test again, applied clipPath may have lead to empty geometry
1138                 {
1139                     if(getMaskXLink().getLength())
1140                     {
1141                         // try to access linked Mask
1142                         const SvgMaskNode* mpMask = dynamic_cast< const SvgMaskNode* >(mrOwner.getDocument().findSvgNodeById(getMaskXLink()));
1143 
1144                         if(mpMask)
1145                         {
1146                             mpMask->apply(aSource);
1147                         }
1148                     }
1149 
1150                     if(aSource.hasElements()) // test again, applied mask may have lead to empty geometry
1151                     {
1152                         // append to current target
1153                         drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aSource);
1154                     }
1155                 }
1156             }
1157         }
1158 
1159         SvgStyleAttributes::SvgStyleAttributes(SvgNode& rOwner)
1160         :   mrOwner(rOwner),
1161             mpCssStyleParent(0),
1162             maFill(),
1163             maStroke(),
1164             maStopColor(basegfx::BColor(0.0, 0.0, 0.0), true),
1165             maStrokeWidth(),
1166             maStopOpacity(),
1167             mpSvgGradientNodeFill(0),
1168             mpSvgGradientNodeStroke(0),
1169             mpSvgPatternNodeFill(0),
1170             mpSvgPatternNodeStroke(0),
1171             maFillOpacity(),
1172             maStrokeDasharray(),
1173             maStrokeDashOffset(),
1174             maStrokeLinecap(StrokeLinecap_notset),
1175             maStrokeLinejoin(StrokeLinejoin_notset),
1176             maStrokeMiterLimit(),
1177             maStrokeOpacity(),
1178             maFontFamily(),
1179             maFontSize(),
1180             maFontStretch(FontStretch_notset),
1181             maFontStyle(FontStyle_notset),
1182             maFontVariant(FontVariant_notset),
1183             maFontWeight(FontWeight_notset),
1184             maTextAlign(TextAlign_notset),
1185             maTextDecoration(TextDecoration_notset),
1186             maTextAnchor(TextAnchor_notset),
1187             maColor(),
1188             maOpacity(1.0),
1189             maTitle(),
1190             maDesc(),
1191             maClipPathXLink(),
1192             maMaskXLink(),
1193             maMarkerStartXLink(),
1194             mpMarkerStartXLink(0),
1195             maMarkerMidXLink(),
1196             mpMarkerMidXLink(0),
1197             maMarkerEndXLink(),
1198             mpMarkerEndXLink(0),
1199             maFillRule(FillRule_notset),
1200             maClipRule(FillRule_nonzero),
1201             maBaselineShift(BaselineShift_Baseline),
1202             maBaselineShiftNumber(0),
1203             mbIsClipPathContent(SVGTokenClipPathNode == mrOwner.getType()),
1204             mbStrokeDasharraySet(false)
1205         {
1206             if(!mbIsClipPathContent)
1207             {
1208                 const SvgStyleAttributes* pParentStyle = getParentStyle();
1209 
1210                 if(pParentStyle)
1211                 {
1212                     mbIsClipPathContent = pParentStyle->mbIsClipPathContent;
1213                 }
1214             }
1215         }
1216 
1217         SvgStyleAttributes::~SvgStyleAttributes()
1218         {
1219         }
1220 
1221         void SvgStyleAttributes::parseStyleAttribute(const rtl::OUString& /* rTokenName */, SVGToken aSVGToken, const rtl::OUString& aContent)
1222         {
1223             switch(aSVGToken)
1224             {
1225                 case SVGTokenFill:
1226                 {
1227                     SvgPaint aSvgPaint;
1228                     rtl::OUString aURL;
1229 
1230                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1231                     {
1232                         setFill(aSvgPaint);
1233                     }
1234                     else if(aURL.getLength())
1235                     {
1236                         const SvgNode* pNode = mrOwner.getDocument().findSvgNodeById(aURL);
1237 
1238                         if(pNode)
1239                         {
1240                             if(SVGTokenLinearGradient == pNode->getType() || SVGTokenRadialGradient  == pNode->getType())
1241                             {
1242                                 setSvgGradientNodeFill(static_cast< const SvgGradientNode* >(pNode));
1243                             }
1244                             else if(SVGTokenPattern == pNode->getType())
1245                             {
1246                                 setSvgPatternNodeFill(static_cast< const SvgPatternNode* >(pNode));
1247                             }
1248                         }
1249                     }
1250                     break;
1251                 }
1252                 case SVGTokenFillOpacity:
1253                 {
1254                     SvgNumber aNum;
1255 
1256                     if(readSingleNumber(aContent, aNum))
1257                     {
1258                         if(aNum.isPositive())
1259                         {
1260                             setFillOpacity(aNum);
1261                         }
1262                     }
1263                     break;
1264                 }
1265                 case SVGTokenFillRule:
1266                 {
1267                     if(aContent.getLength())
1268                     {
1269                         if(aContent.match(commonStrings::aStrNonzero))
1270                         {
1271                             maFillRule = FillRule_nonzero;
1272                         }
1273                         else if(aContent.match(commonStrings::aStrEvenOdd))
1274                         {
1275                             maFillRule = FillRule_evenodd;
1276                         }
1277                     }
1278                     break;
1279                 }
1280                 case SVGTokenStroke:
1281                 {
1282                     SvgPaint aSvgPaint;
1283                     rtl::OUString aURL;
1284 
1285                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1286                     {
1287                         setStroke(aSvgPaint);
1288                     }
1289                     else if(aURL.getLength())
1290                     {
1291                         const SvgNode* pNode = mrOwner.getDocument().findSvgNodeById(aURL);
1292 
1293                         if(pNode)
1294                         {
1295                             if(SVGTokenLinearGradient == pNode->getType() || SVGTokenRadialGradient  == pNode->getType())
1296                             {
1297                                 setSvgGradientNodeStroke(static_cast< const SvgGradientNode* >(pNode));
1298                             }
1299                             else if(SVGTokenPattern == pNode->getType())
1300                             {
1301                                 setSvgPatternNodeStroke(static_cast< const SvgPatternNode* >(pNode));
1302                             }
1303                         }
1304                     }
1305                     break;
1306                 }
1307                 case SVGTokenStrokeDasharray:
1308                 {
1309                     if(aContent.getLength())
1310                     {
1311                         static rtl::OUString aStrNone(rtl::OUString::createFromAscii("none"));
1312                         SvgNumberVector aVector;
1313 
1314                         if(aContent.match(aStrNone))
1315                         {
1316                             // #121221# The special value 'none' needs to be handled
1317                             // in the sense that *when* it is set, the parent shall not
1318                             // be used. Before this was only dependent on the array being
1319                             // empty
1320                             setStrokeDasharraySet(true);
1321                         }
1322                         else if(readSvgNumberVector(aContent, aVector))
1323                         {
1324                             setStrokeDasharray(aVector);
1325                         }
1326                     }
1327                     break;
1328                 }
1329                 case SVGTokenStrokeDashoffset:
1330                 {
1331                     SvgNumber aNum;
1332 
1333                     if(readSingleNumber(aContent, aNum))
1334                     {
1335                         if(aNum.isPositive())
1336                         {
1337                             setStrokeDashOffset(aNum);
1338                         }
1339                     }
1340                     break;
1341                 }
1342                 case SVGTokenStrokeLinecap:
1343                 {
1344                     if(aContent.getLength())
1345                     {
1346                         static rtl::OUString aStrButt(rtl::OUString::createFromAscii("butt"));
1347                         static rtl::OUString aStrRound(rtl::OUString::createFromAscii("round"));
1348                         static rtl::OUString aStrSquare(rtl::OUString::createFromAscii("square"));
1349 
1350                         if(aContent.match(aStrButt))
1351                         {
1352                             setStrokeLinecap(StrokeLinecap_butt);
1353                         }
1354                         else if(aContent.match(aStrRound))
1355                         {
1356                             setStrokeLinecap(StrokeLinecap_round);
1357                         }
1358                         else if(aContent.match(aStrSquare))
1359                         {
1360                             setStrokeLinecap(StrokeLinecap_square);
1361                         }
1362                     }
1363                     break;
1364                 }
1365                 case SVGTokenStrokeLinejoin:
1366                 {
1367                     if(aContent.getLength())
1368                     {
1369                         static rtl::OUString aStrMiter(rtl::OUString::createFromAscii("miter"));
1370                         static rtl::OUString aStrRound(rtl::OUString::createFromAscii("round"));
1371                         static rtl::OUString aStrBevel(rtl::OUString::createFromAscii("bevel"));
1372 
1373                         if(aContent.match(aStrMiter))
1374                         {
1375                             setStrokeLinejoin(StrokeLinejoin_miter);
1376                         }
1377                         else if(aContent.match(aStrRound))
1378                         {
1379                             setStrokeLinejoin(StrokeLinejoin_round);
1380                         }
1381                         else if(aContent.match(aStrBevel))
1382                         {
1383                             setStrokeLinejoin(StrokeLinejoin_bevel);
1384                         }
1385                     }
1386                     break;
1387                 }
1388                 case SVGTokenStrokeMiterlimit:
1389                 {
1390                     SvgNumber aNum;
1391 
1392                     if(readSingleNumber(aContent, aNum))
1393                     {
1394                         if(aNum.isPositive())
1395                         {
1396                             setStrokeMiterLimit(aNum);
1397                         }
1398                     }
1399                     break;
1400                 }
1401                 case SVGTokenStrokeOpacity:
1402                 {
1403                     SvgNumber aNum;
1404 
1405                     if(readSingleNumber(aContent, aNum))
1406                     {
1407                         if(aNum.isPositive())
1408                         {
1409                             setStrokeOpacity(aNum);
1410                         }
1411                     }
1412                     break;
1413                 }
1414                 case SVGTokenStrokeWidth:
1415                 {
1416                     SvgNumber aNum;
1417 
1418                     if(readSingleNumber(aContent, aNum))
1419                     {
1420                         if(aNum.isPositive())
1421                         {
1422                             setStrokeWidth(aNum);
1423                         }
1424                     }
1425                     break;
1426                 }
1427                 case SVGTokenStopColor:
1428                 {
1429                     SvgPaint aSvgPaint;
1430                     rtl::OUString aURL;
1431 
1432                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1433                     {
1434                         setStopColor(aSvgPaint);
1435                     }
1436                     break;
1437                 }
1438                 case SVGTokenStopOpacity:
1439                 {
1440                     SvgNumber aNum;
1441 
1442                     if(readSingleNumber(aContent, aNum))
1443                     {
1444                         if(aNum.isPositive())
1445                         {
1446                             setStopOpacity(aNum);
1447                         }
1448                     }
1449                     break;
1450                 }
1451                 case SVGTokenFont:
1452                 {
1453                     break;
1454                 }
1455                 case SVGTokenFontFamily:
1456                 {
1457                     SvgStringVector aSvgStringVector;
1458 
1459                     if(readSvgStringVector(aContent, aSvgStringVector))
1460                     {
1461                         setFontFamily(aSvgStringVector);
1462                     }
1463                     break;
1464                 }
1465                 case SVGTokenFontSize:
1466                 {
1467                     SvgNumber aNum;
1468 
1469                     if(readSingleNumber(aContent, aNum))
1470                     {
1471                         setFontSize(aNum);
1472                     }
1473                     break;
1474                 }
1475                 case SVGTokenFontSizeAdjust:
1476                 {
1477                     break;
1478                 }
1479                 case SVGTokenFontStretch:
1480                 {
1481                     if(aContent.getLength())
1482                     {
1483                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1484                         static rtl::OUString aStrWider(rtl::OUString::createFromAscii("wider"));
1485                         static rtl::OUString aStrNarrower(rtl::OUString::createFromAscii("narrower"));
1486                         static rtl::OUString aStrUltra_condensed(rtl::OUString::createFromAscii("ultra-condensed"));
1487                         static rtl::OUString aStrExtra_condensed(rtl::OUString::createFromAscii("extra-condensed"));
1488                         static rtl::OUString aStrCondensed(rtl::OUString::createFromAscii("condensed"));
1489                         static rtl::OUString aStrSemi_condensed(rtl::OUString::createFromAscii("semi-condensed"));
1490                         static rtl::OUString aStrSemi_expanded(rtl::OUString::createFromAscii("semi-expanded"));
1491                         static rtl::OUString aStrExpanded(rtl::OUString::createFromAscii("expanded"));
1492                         static rtl::OUString aStrExtra_expanded(rtl::OUString::createFromAscii("extra-expanded"));
1493                         static rtl::OUString aStrUltra_expanded(rtl::OUString::createFromAscii("ultra-expanded"));
1494 
1495                         if(aContent.match(aStrNormal))
1496                         {
1497                             setFontStretch(FontStretch_normal);
1498                         }
1499                         else if(aContent.match(aStrWider))
1500                         {
1501                             setFontStretch(FontStretch_wider);
1502                         }
1503                         else if(aContent.match(aStrNarrower))
1504                         {
1505                             setFontStretch(FontStretch_narrower);
1506                         }
1507                         else if(aContent.match(aStrUltra_condensed))
1508                         {
1509                             setFontStretch(FontStretch_ultra_condensed);
1510                         }
1511                         else if(aContent.match(aStrExtra_condensed))
1512                         {
1513                             setFontStretch(FontStretch_extra_condensed);
1514                         }
1515                         else if(aContent.match(aStrCondensed))
1516                         {
1517                             setFontStretch(FontStretch_condensed);
1518                         }
1519                         else if(aContent.match(aStrSemi_condensed))
1520                         {
1521                             setFontStretch(FontStretch_semi_condensed);
1522                         }
1523                         else if(aContent.match(aStrSemi_expanded))
1524                         {
1525                             setFontStretch(FontStretch_semi_expanded);
1526                         }
1527                         else if(aContent.match(aStrExpanded))
1528                         {
1529                             setFontStretch(FontStretch_expanded);
1530                         }
1531                         else if(aContent.match(aStrExtra_expanded))
1532                         {
1533                             setFontStretch(FontStretch_extra_expanded);
1534                         }
1535                         else if(aContent.match(aStrUltra_expanded))
1536                         {
1537                             setFontStretch(FontStretch_ultra_expanded);
1538                         }
1539                     }
1540                     break;
1541                 }
1542                 case SVGTokenFontStyle:
1543                 {
1544                     if(aContent.getLength())
1545                     {
1546                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1547                         static rtl::OUString aStrItalic(rtl::OUString::createFromAscii("italic"));
1548                         static rtl::OUString aStrOblique(rtl::OUString::createFromAscii("oblique"));
1549 
1550                         if(aContent.match(aStrNormal))
1551                         {
1552                             setFontStyle(FontStyle_normal);
1553                         }
1554                         else if(aContent.match(aStrItalic))
1555                         {
1556                             setFontStyle(FontStyle_italic);
1557                         }
1558                         else if(aContent.match(aStrOblique))
1559                         {
1560                             setFontStyle(FontStyle_oblique);
1561                         }
1562                     }
1563                     break;
1564                 }
1565                 case SVGTokenFontVariant:
1566                 {
1567                     if(aContent.getLength())
1568                     {
1569                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1570                         static rtl::OUString aStrSmallCaps(rtl::OUString::createFromAscii("small-caps"));
1571 
1572                         if(aContent.match(aStrNormal))
1573                         {
1574                             setFontVariant(FontVariant_normal);
1575                         }
1576                         else if(aContent.match(aStrSmallCaps))
1577                         {
1578                             setFontVariant(FontVariant_small_caps);
1579                         }
1580                     }
1581                     break;
1582                 }
1583                 case SVGTokenFontWeight:
1584                 {
1585                     if(aContent.getLength())
1586                     {
1587                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1588                         static rtl::OUString aStrBold(rtl::OUString::createFromAscii("bold"));
1589                         static rtl::OUString aStrBolder(rtl::OUString::createFromAscii("bolder"));
1590                         static rtl::OUString aStrLighter(rtl::OUString::createFromAscii("lighter"));
1591                         static rtl::OUString aStr100(rtl::OUString::createFromAscii("100"));
1592                         static rtl::OUString aStr200(rtl::OUString::createFromAscii("200"));
1593                         static rtl::OUString aStr300(rtl::OUString::createFromAscii("300"));
1594                         static rtl::OUString aStr400(rtl::OUString::createFromAscii("400"));
1595                         static rtl::OUString aStr500(rtl::OUString::createFromAscii("500"));
1596                         static rtl::OUString aStr600(rtl::OUString::createFromAscii("600"));
1597                         static rtl::OUString aStr700(rtl::OUString::createFromAscii("700"));
1598                         static rtl::OUString aStr800(rtl::OUString::createFromAscii("800"));
1599                         static rtl::OUString aStr900(rtl::OUString::createFromAscii("900"));
1600 
1601                         if(aContent.match(aStr100))
1602                         {
1603                             setFontWeight(FontWeight_100);
1604                         }
1605                         else if(aContent.match(aStr200))
1606                         {
1607                             setFontWeight(FontWeight_200);
1608                         }
1609                         else if(aContent.match(aStr300))
1610                         {
1611                             setFontWeight(FontWeight_300);
1612                         }
1613                         else if(aContent.match(aStr400) || aContent.match(aStrNormal))
1614                         {
1615                             setFontWeight(FontWeight_400);
1616                         }
1617                         else if(aContent.match(aStr500))
1618                         {
1619                             setFontWeight(FontWeight_500);
1620                         }
1621                         else if(aContent.match(aStr600))
1622                         {
1623                             setFontWeight(FontWeight_600);
1624                         }
1625                         else if(aContent.match(aStr700) || aContent.match(aStrBold))
1626                         {
1627                             setFontWeight(FontWeight_700);
1628                         }
1629                         else if(aContent.match(aStr800))
1630                         {
1631                             setFontWeight(FontWeight_800);
1632                         }
1633                         else if(aContent.match(aStr900))
1634                         {
1635                             setFontWeight(FontWeight_900);
1636                         }
1637                         else if(aContent.match(aStrBolder))
1638                         {
1639                             setFontWeight(FontWeight_bolder);
1640                         }
1641                         else if(aContent.match(aStrLighter))
1642                         {
1643                             setFontWeight(FontWeight_lighter);
1644                         }
1645                     }
1646                     break;
1647                 }
1648                 case SVGTokenDirection:
1649                 {
1650                     break;
1651                 }
1652                 case SVGTokenLetterSpacing:
1653                 {
1654                     break;
1655                 }
1656                 case SVGTokenTextDecoration:
1657                 {
1658                     if(aContent.getLength())
1659                     {
1660                         static rtl::OUString aStrNone(rtl::OUString::createFromAscii("none"));
1661                         static rtl::OUString aStrUnderline(rtl::OUString::createFromAscii("underline"));
1662                         static rtl::OUString aStrOverline(rtl::OUString::createFromAscii("overline"));
1663                         static rtl::OUString aStrLineThrough(rtl::OUString::createFromAscii("line-through"));
1664                         static rtl::OUString aStrBlink(rtl::OUString::createFromAscii("blink"));
1665 
1666                         if(aContent.match(aStrNone))
1667                         {
1668                             setTextDecoration(TextDecoration_none);
1669                         }
1670                         else if(aContent.match(aStrUnderline))
1671                         {
1672                             setTextDecoration(TextDecoration_underline);
1673                         }
1674                         else if(aContent.match(aStrOverline))
1675                         {
1676                             setTextDecoration(TextDecoration_overline);
1677                         }
1678                         else if(aContent.match(aStrLineThrough))
1679                         {
1680                             setTextDecoration(TextDecoration_line_through);
1681                         }
1682                         else if(aContent.match(aStrBlink))
1683                         {
1684                             setTextDecoration(TextDecoration_blink);
1685                         }
1686                     }
1687                     break;
1688                 }
1689                 case SVGTokenUnicodeBidi:
1690                 {
1691                     break;
1692                 }
1693                 case SVGTokenWordSpacing:
1694                 {
1695                     break;
1696                 }
1697                 case SVGTokenTextAnchor:
1698                 {
1699                     if(aContent.getLength())
1700                     {
1701                         static rtl::OUString aStrStart(rtl::OUString::createFromAscii("start"));
1702                         static rtl::OUString aStrMiddle(rtl::OUString::createFromAscii("middle"));
1703                         static rtl::OUString aStrEnd(rtl::OUString::createFromAscii("end"));
1704 
1705                         if(aContent.match(aStrStart))
1706                         {
1707                             setTextAnchor(TextAnchor_start);
1708                         }
1709                         else if(aContent.match(aStrMiddle))
1710                         {
1711                             setTextAnchor(TextAnchor_middle);
1712                         }
1713                         else if(aContent.match(aStrEnd))
1714                         {
1715                             setTextAnchor(TextAnchor_end);
1716                         }
1717                     }
1718                     break;
1719                 }
1720                 case SVGTokenTextAlign:
1721                 {
1722                     if(aContent.getLength())
1723                     {
1724                         static rtl::OUString aStrLeft(rtl::OUString::createFromAscii("left"));
1725                         static rtl::OUString aStrRight(rtl::OUString::createFromAscii("right"));
1726                         static rtl::OUString aStrCenter(rtl::OUString::createFromAscii("center"));
1727                         static rtl::OUString aStrJustify(rtl::OUString::createFromAscii("justify"));
1728 
1729                         if(aContent.match(aStrLeft))
1730                         {
1731                             setTextAlign(TextAlign_left);
1732                         }
1733                         else if(aContent.match(aStrRight))
1734                         {
1735                             setTextAlign(TextAlign_right);
1736                         }
1737                         else if(aContent.match(aStrCenter))
1738                         {
1739                             setTextAlign(TextAlign_center);
1740                         }
1741                         else if(aContent.match(aStrJustify))
1742                         {
1743                             setTextAlign(TextAlign_justify);
1744                         }
1745                     }
1746                     break;
1747                 }
1748                 case SVGTokenColor:
1749                 {
1750                     SvgPaint aSvgPaint;
1751                     rtl::OUString aURL;
1752 
1753                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1754                     {
1755                         setColor(aSvgPaint);
1756                     }
1757                     break;
1758                 }
1759                 case SVGTokenOpacity:
1760                 {
1761                     SvgNumber aNum;
1762 
1763                     if(readSingleNumber(aContent, aNum))
1764                     {
1765                         setOpacity(SvgNumber(basegfx::clamp(aNum.getNumber(), 0.0, 1.0), aNum.getUnit(), aNum.isSet()));
1766                     }
1767                     break;
1768                 }
1769                 case SVGTokenTitle:
1770                 {
1771                     setTitle(aContent);
1772                     break;
1773                 }
1774                 case SVGTokenDesc:
1775                 {
1776                     setDesc(aContent);
1777                     break;
1778                 }
1779                 case SVGTokenClipPathProperty:
1780                 {
1781                     readLocalUrl(aContent, maClipPathXLink);
1782                     break;
1783                 }
1784                 case SVGTokenMask:
1785                 {
1786                     readLocalUrl(aContent, maMaskXLink);
1787                     break;
1788                 }
1789                 case SVGTokenClipRule:
1790                 {
1791                     if(aContent.getLength())
1792                     {
1793                         if(aContent.match(commonStrings::aStrNonzero))
1794                         {
1795                             maClipRule = FillRule_nonzero;
1796                         }
1797                         else if(aContent.match(commonStrings::aStrEvenOdd))
1798                         {
1799                             maClipRule = FillRule_evenodd;
1800                         }
1801                     }
1802                     break;
1803                 }
1804                 case SVGTokenMarker:
1805                 {
1806                     readLocalUrl(aContent, maMarkerEndXLink);
1807                     maMarkerStartXLink = maMarkerMidXLink = maMarkerEndXLink;
1808                     break;
1809                 }
1810                 case SVGTokenMarkerStart:
1811                 {
1812                     readLocalUrl(aContent, maMarkerStartXLink);
1813                     break;
1814                 }
1815                 case SVGTokenMarkerMid:
1816                 {
1817                     readLocalUrl(aContent, maMarkerMidXLink);
1818                     break;
1819                 }
1820                 case SVGTokenMarkerEnd:
1821                 {
1822                     readLocalUrl(aContent, maMarkerEndXLink);
1823                     break;
1824                 }
1825                 case SVGTokenDisplay:
1826                 {
1827                     // There may be display:none statements inside of style defines, e.g. the following line:
1828                     // style="display:none"
1829                     // taken from a svg example; this needs to be parsed and set at the owning node. Do not call
1830                     // mrOwner.parseAttribute(...) here, this would lead to a recursion
1831                     if(aContent.getLength())
1832                     {
1833                         mrOwner.setDisplay(getDisplayFromContent(aContent));
1834                     }
1835                     break;
1836                 }
1837                 case SVGTokenBaselineShift:
1838                 {
1839                     if(aContent.getLength())
1840                     {
1841                         static rtl::OUString aStrSub(rtl::OUString::createFromAscii("sub"));
1842                         static rtl::OUString aStrSuper(rtl::OUString::createFromAscii("super"));
1843                         SvgNumber aNum;
1844 
1845                         if(aContent.match(aStrSub))
1846                         {
1847                             setBaselineShift(BaselineShift_Sub);
1848                         }
1849                         else if(aContent.match(aStrSuper))
1850                         {
1851                             setBaselineShift(BaselineShift_Super);
1852                         }
1853                         else if(readSingleNumber(aContent, aNum))
1854                         {
1855                             setBaselineShiftNumber(aNum);
1856 
1857                             if(Unit_percent == aNum.getUnit())
1858                             {
1859                                 setBaselineShift(BaselineShift_Percentage);
1860                             }
1861                             else
1862                             {
1863                                 setBaselineShift(BaselineShift_Length);
1864                             }
1865                         }
1866                         else
1867                         {
1868                             // no BaselineShift or inherit (which is automatically)
1869                             setBaselineShift(BaselineShift_Baseline);
1870                         }
1871                     }
1872                     break;
1873                 }
1874                 default:
1875                 {
1876                     break;
1877                 }
1878             }
1879         }
1880 
1881         const basegfx::BColor* SvgStyleAttributes::getFill() const
1882         {
1883             if(mbIsClipPathContent)
1884             {
1885                 static basegfx::BColor aBlack(0.0, 0.0, 0.0);
1886 
1887                 return &aBlack;
1888             }
1889             else if(maFill.isSet())
1890             {
1891                 if(maFill.isCurrent())
1892                 {
1893                     return getColor();
1894                 }
1895                 else if(maFill.isOn())
1896                 {
1897                     return &maFill.getBColor();
1898                 }
1899             }
1900             else
1901             {
1902                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1903 
1904                 if(pSvgStyleAttributes)
1905                 {
1906                     return pSvgStyleAttributes->getFill();
1907                 }
1908             }
1909 
1910             return 0;
1911         }
1912 
1913         const basegfx::BColor* SvgStyleAttributes::getStroke() const
1914         {
1915             if(mbIsClipPathContent)
1916             {
1917                 return 0;
1918             }
1919             else if(maStroke.isSet())
1920             {
1921                 if(maStroke.isCurrent())
1922                 {
1923                     return getColor();
1924                 }
1925                 else if(maStroke.isOn())
1926                 {
1927                     return &maStroke.getBColor();
1928                 }
1929             }
1930             else
1931             {
1932                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1933 
1934                 if(pSvgStyleAttributes)
1935                 {
1936                     return pSvgStyleAttributes->getStroke();
1937                 }
1938             }
1939 
1940             return 0;
1941         }
1942 
1943         const basegfx::BColor& SvgStyleAttributes::getStopColor() const
1944         {
1945             if(maStopColor.isCurrent())
1946             {
1947                 return *getColor();
1948             }
1949             else
1950             {
1951                 return maStopColor.getBColor();
1952             }
1953         }
1954 
1955         const SvgGradientNode* SvgStyleAttributes::getSvgGradientNodeFill() const
1956         {
1957             if(mbIsClipPathContent)
1958             {
1959                 return 0;
1960             }
1961             else if(mpSvgGradientNodeFill)
1962             {
1963                 return mpSvgGradientNodeFill;
1964             }
1965             else
1966             {
1967                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1968 
1969                 if(pSvgStyleAttributes)
1970                 {
1971                     return pSvgStyleAttributes->getSvgGradientNodeFill();
1972                 }
1973             }
1974 
1975             return 0;
1976         }
1977 
1978         const SvgGradientNode* SvgStyleAttributes::getSvgGradientNodeStroke() const
1979         {
1980             if(mbIsClipPathContent)
1981             {
1982                 return 0;
1983             }
1984             else if(mpSvgGradientNodeStroke)
1985             {
1986                 return mpSvgGradientNodeStroke;
1987             }
1988             else
1989             {
1990                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1991 
1992                 if(pSvgStyleAttributes)
1993                 {
1994                     return pSvgStyleAttributes->getSvgGradientNodeStroke();
1995                 }
1996             }
1997 
1998             return 0;
1999         }
2000 
2001         const SvgPatternNode* SvgStyleAttributes::getSvgPatternNodeFill() const
2002         {
2003             if(mbIsClipPathContent)
2004             {
2005                 return 0;
2006             }
2007             else if(mpSvgPatternNodeFill)
2008             {
2009                 return mpSvgPatternNodeFill;
2010             }
2011             else
2012             {
2013                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2014 
2015                 if(pSvgStyleAttributes)
2016                 {
2017                     return pSvgStyleAttributes->getSvgPatternNodeFill();
2018                 }
2019             }
2020 
2021             return 0;
2022         }
2023 
2024         const SvgPatternNode* SvgStyleAttributes::getSvgPatternNodeStroke() const
2025         {
2026             if(mbIsClipPathContent)
2027             {
2028                 return 0;
2029             }
2030             else if(mpSvgPatternNodeStroke)
2031             {
2032                 return mpSvgPatternNodeStroke;
2033             }
2034             else
2035             {
2036                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2037 
2038                 if(pSvgStyleAttributes)
2039                 {
2040                     return pSvgStyleAttributes->getSvgPatternNodeStroke();
2041                 }
2042             }
2043 
2044             return 0;
2045         }
2046 
2047         SvgNumber SvgStyleAttributes::getStrokeWidth() const
2048         {
2049             if(mbIsClipPathContent)
2050             {
2051                 return SvgNumber(0.0);
2052             }
2053             else if(maStrokeWidth.isSet())
2054             {
2055                 return maStrokeWidth;
2056             }
2057 
2058             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2059 
2060             if(pSvgStyleAttributes)
2061             {
2062                 return pSvgStyleAttributes->getStrokeWidth();
2063             }
2064 
2065             // default is 1
2066             return SvgNumber(1.0);
2067         }
2068 
2069         SvgNumber SvgStyleAttributes::getStopOpacity() const
2070         {
2071             if(maStopOpacity.isSet())
2072             {
2073                 return maStopOpacity;
2074             }
2075 
2076             // default is 1
2077             return SvgNumber(1.0);
2078         }
2079 
2080         SvgNumber SvgStyleAttributes::getFillOpacity() const
2081         {
2082             if(mbIsClipPathContent)
2083             {
2084                 return SvgNumber(1.0);
2085             }
2086             else if(maFillOpacity.isSet())
2087             {
2088                 return maFillOpacity;
2089             }
2090 
2091             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2092 
2093             if(pSvgStyleAttributes)
2094             {
2095                 return pSvgStyleAttributes->getFillOpacity();
2096             }
2097 
2098             // default is 1
2099             return SvgNumber(1.0);
2100         }
2101 
2102         FillRule SvgStyleAttributes::getFillRule() const
2103         {
2104             if(FillRule_notset != maFillRule)
2105             {
2106                 return maFillRule;
2107             }
2108 
2109             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2110 
2111             if(pSvgStyleAttributes)
2112             {
2113                 return pSvgStyleAttributes->getFillRule();
2114             }
2115 
2116             // default is NonZero
2117             return FillRule_nonzero;
2118         }
2119 
2120         const SvgNumberVector& SvgStyleAttributes::getStrokeDasharray() const
2121         {
2122             if(!maStrokeDasharray.empty())
2123             {
2124                 return maStrokeDasharray;
2125             }
2126             else if(getStrokeDasharraySet())
2127             {
2128                 // #121221# is set to empty *by purpose*, do not visit parent styles
2129                 return maStrokeDasharray;
2130             }
2131 
2132             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2133 
2134             if(pSvgStyleAttributes)
2135             {
2136                 return pSvgStyleAttributes->getStrokeDasharray();
2137             }
2138 
2139             // default empty
2140             return maStrokeDasharray;
2141         }
2142 
2143         SvgNumber SvgStyleAttributes::getStrokeDashOffset() const
2144         {
2145             if(maStrokeDashOffset.isSet())
2146             {
2147                 return maStrokeDashOffset;
2148             }
2149 
2150             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2151 
2152             if(pSvgStyleAttributes)
2153             {
2154                 return pSvgStyleAttributes->getStrokeDashOffset();
2155             }
2156 
2157             // default is 0
2158             return SvgNumber(0.0);
2159         }
2160 
2161         StrokeLinecap SvgStyleAttributes::getStrokeLinecap() const
2162         {
2163             if(maStrokeLinecap != StrokeLinecap_notset)
2164             {
2165                 return maStrokeLinecap;
2166             }
2167 
2168             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2169 
2170             if(pSvgStyleAttributes)
2171             {
2172                 return pSvgStyleAttributes->getStrokeLinecap();
2173             }
2174 
2175             // default is StrokeLinecap_butt
2176             return StrokeLinecap_butt;
2177         }
2178 
2179         StrokeLinejoin SvgStyleAttributes::getStrokeLinejoin() const
2180         {
2181             if(maStrokeLinejoin != StrokeLinejoin_notset)
2182             {
2183                 return maStrokeLinejoin;
2184             }
2185 
2186             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2187 
2188             if(pSvgStyleAttributes)
2189             {
2190                 return pSvgStyleAttributes->getStrokeLinejoin();
2191             }
2192 
2193             // default is StrokeLinejoin_butt
2194             return StrokeLinejoin_miter;
2195         }
2196 
2197         SvgNumber SvgStyleAttributes::getStrokeMiterLimit() const
2198         {
2199             if(maStrokeMiterLimit.isSet())
2200             {
2201                 return maStrokeMiterLimit;
2202             }
2203 
2204             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2205 
2206             if(pSvgStyleAttributes)
2207             {
2208                 return pSvgStyleAttributes->getStrokeMiterLimit();
2209             }
2210 
2211             // default is 4
2212             return SvgNumber(4.0);
2213         }
2214 
2215         SvgNumber SvgStyleAttributes::getStrokeOpacity() const
2216         {
2217             if(maStrokeOpacity.isSet())
2218             {
2219                 return maStrokeOpacity;
2220             }
2221 
2222             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2223 
2224             if(pSvgStyleAttributes)
2225             {
2226                 return pSvgStyleAttributes->getStrokeOpacity();
2227             }
2228 
2229             // default is 1
2230             return SvgNumber(1.0);
2231         }
2232 
2233         const SvgStringVector& SvgStyleAttributes::getFontFamily() const
2234         {
2235             if(!maFontFamily.empty())
2236             {
2237                 return maFontFamily;
2238             }
2239 
2240             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2241 
2242             if(pSvgStyleAttributes)
2243             {
2244                 return pSvgStyleAttributes->getFontFamily();
2245             }
2246 
2247             // default is empty
2248             return maFontFamily;
2249         }
2250 
2251         SvgNumber SvgStyleAttributes::getFontSize() const
2252         {
2253             if(maFontSize.isSet())
2254             {
2255                 // #122524# Handle Unit_percent realtive to parent FontSize (see SVG1.1
2256                 // spec 10.10 Font selection properties �font-size�, lastline (klick 'normative
2257                 // definition of the property')
2258                 if(Unit_percent == maFontSize.getUnit())
2259                 {
2260                     const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2261 
2262                     if(pSvgStyleAttributes)
2263                     {
2264                         const SvgNumber aParentNumber = pSvgStyleAttributes->getFontSize();
2265 
2266                         return SvgNumber(
2267                             aParentNumber.getNumber() * maFontSize.getNumber() * 0.01,
2268                             aParentNumber.getUnit(),
2269                             true);
2270                     }
2271                 }
2272 
2273                 return maFontSize;
2274             }
2275 
2276             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2277 
2278             if(pSvgStyleAttributes)
2279             {
2280                 return pSvgStyleAttributes->getFontSize();
2281             }
2282 
2283             // default is 'medium'
2284             return SvgNumber(12.0);
2285         }
2286 
2287         FontStretch SvgStyleAttributes::getFontStretch() const
2288         {
2289             if(maFontStretch != FontStretch_notset)
2290             {
2291                 if(FontStretch_wider != maFontStretch && FontStretch_narrower != maFontStretch)
2292                 {
2293                     return maFontStretch;
2294                 }
2295             }
2296 
2297             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2298 
2299             if(pSvgStyleAttributes)
2300             {
2301                 FontStretch aInherited = pSvgStyleAttributes->getFontStretch();
2302 
2303                 if(FontStretch_wider == maFontStretch)
2304                 {
2305                     aInherited = getWider(aInherited);
2306                 }
2307                 else if(FontStretch_narrower == maFontStretch)
2308                 {
2309                     aInherited = getNarrower(aInherited);
2310                 }
2311 
2312                 return aInherited;
2313             }
2314 
2315             // default is FontStretch_normal
2316             return FontStretch_normal;
2317         }
2318 
2319         FontStyle SvgStyleAttributes::getFontStyle() const
2320         {
2321             if(maFontStyle != FontStyle_notset)
2322             {
2323                 return maFontStyle;
2324             }
2325 
2326             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2327 
2328             if(pSvgStyleAttributes)
2329             {
2330                 return pSvgStyleAttributes->getFontStyle();
2331             }
2332 
2333             // default is FontStyle_normal
2334             return FontStyle_normal;
2335         }
2336 
2337         FontWeight SvgStyleAttributes::getFontWeight() const
2338         {
2339             if(maFontWeight != FontWeight_notset)
2340             {
2341                 if(FontWeight_bolder != maFontWeight && FontWeight_lighter != maFontWeight)
2342                 {
2343                     return maFontWeight;
2344                 }
2345             }
2346 
2347             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2348 
2349             if(pSvgStyleAttributes)
2350             {
2351                 FontWeight aInherited = pSvgStyleAttributes->getFontWeight();
2352 
2353                 if(FontWeight_bolder == maFontWeight)
2354                 {
2355                     aInherited = getBolder(aInherited);
2356                 }
2357                 else if(FontWeight_lighter == maFontWeight)
2358                 {
2359                     aInherited = getLighter(aInherited);
2360                 }
2361 
2362                 return aInherited;
2363             }
2364 
2365             // default is FontWeight_400 (FontWeight_normal)
2366             return FontWeight_400;
2367         }
2368 
2369         TextAlign SvgStyleAttributes::getTextAlign() const
2370         {
2371             if(maTextAlign != TextAlign_notset)
2372             {
2373                 return maTextAlign;
2374             }
2375 
2376             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2377 
2378             if(pSvgStyleAttributes)
2379             {
2380                 return pSvgStyleAttributes->getTextAlign();
2381             }
2382 
2383             // default is TextAlign_left
2384             return TextAlign_left;
2385         }
2386 
2387         const SvgStyleAttributes* SvgStyleAttributes::getTextDecorationDefiningSvgStyleAttributes() const
2388         {
2389             if(maTextDecoration != TextDecoration_notset)
2390             {
2391                 return this;
2392             }
2393 
2394             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2395 
2396             if(pSvgStyleAttributes)
2397             {
2398                 return pSvgStyleAttributes->getTextDecorationDefiningSvgStyleAttributes();
2399             }
2400 
2401             // default is 0
2402             return 0;
2403         }
2404 
2405         TextDecoration SvgStyleAttributes::getTextDecoration() const
2406         {
2407             const SvgStyleAttributes* pDefining = getTextDecorationDefiningSvgStyleAttributes();
2408 
2409             if(pDefining)
2410             {
2411                 return pDefining->maTextDecoration;
2412             }
2413             else
2414             {
2415                 // default is TextDecoration_none
2416                 return TextDecoration_none;
2417             }
2418         }
2419 
2420         TextAnchor SvgStyleAttributes::getTextAnchor() const
2421         {
2422             if(maTextAnchor != TextAnchor_notset)
2423             {
2424                 return maTextAnchor;
2425             }
2426 
2427             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2428 
2429             if(pSvgStyleAttributes)
2430             {
2431                 return pSvgStyleAttributes->getTextAnchor();
2432             }
2433 
2434             // default is TextAnchor_start
2435             return TextAnchor_start;
2436         }
2437 
2438         const basegfx::BColor* SvgStyleAttributes::getColor() const
2439         {
2440             if(maColor.isSet())
2441             {
2442                 if(maColor.isCurrent())
2443                 {
2444                     OSL_ENSURE(false, "Svg error: current color uses current color (!)");
2445                     return 0;
2446                 }
2447                 else if(maColor.isOn())
2448                 {
2449                     return &maColor.getBColor();
2450                 }
2451             }
2452             else
2453             {
2454                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2455 
2456                 if(pSvgStyleAttributes)
2457                 {
2458                     return pSvgStyleAttributes->getColor();
2459                 }
2460             }
2461 
2462             return 0;
2463         }
2464 
2465         rtl::OUString SvgStyleAttributes::getMarkerStartXLink() const
2466         {
2467             if(maMarkerStartXLink.getLength())
2468             {
2469                 return maMarkerStartXLink;
2470             }
2471 
2472             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2473 
2474             if(pSvgStyleAttributes)
2475             {
2476                 return pSvgStyleAttributes->getMarkerStartXLink();
2477             }
2478 
2479             return rtl::OUString();
2480         }
2481 
2482         const SvgMarkerNode* SvgStyleAttributes::accessMarkerStartXLink() const
2483         {
2484             if(!mpMarkerStartXLink)
2485             {
2486                 const rtl::OUString aMarker(getMarkerStartXLink());
2487 
2488                 if(aMarker.getLength())
2489                 {
2490                     const_cast< SvgStyleAttributes* >(this)->mpMarkerStartXLink = dynamic_cast< const SvgMarkerNode* >(mrOwner.getDocument().findSvgNodeById(getMarkerStartXLink()));
2491                 }
2492             }
2493 
2494             return mpMarkerStartXLink;
2495         }
2496 
2497         rtl::OUString SvgStyleAttributes::getMarkerMidXLink() const
2498         {
2499             if(maMarkerMidXLink.getLength())
2500             {
2501                 return maMarkerMidXLink;
2502             }
2503 
2504             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2505 
2506             if(pSvgStyleAttributes)
2507             {
2508                 return pSvgStyleAttributes->getMarkerMidXLink();
2509             }
2510 
2511             return rtl::OUString();
2512         }
2513 
2514         const SvgMarkerNode* SvgStyleAttributes::accessMarkerMidXLink() const
2515         {
2516             if(!mpMarkerMidXLink)
2517             {
2518                 const rtl::OUString aMarker(getMarkerMidXLink());
2519 
2520                 if(aMarker.getLength())
2521                 {
2522                     const_cast< SvgStyleAttributes* >(this)->mpMarkerMidXLink = dynamic_cast< const SvgMarkerNode* >(mrOwner.getDocument().findSvgNodeById(getMarkerMidXLink()));
2523                 }
2524             }
2525 
2526             return mpMarkerMidXLink;
2527         }
2528 
2529         rtl::OUString SvgStyleAttributes::getMarkerEndXLink() const
2530         {
2531             if(maMarkerEndXLink.getLength())
2532             {
2533                 return maMarkerEndXLink;
2534             }
2535 
2536             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2537 
2538             if(pSvgStyleAttributes)
2539             {
2540                 return pSvgStyleAttributes->getMarkerEndXLink();
2541             }
2542 
2543             return rtl::OUString();
2544         }
2545 
2546         const SvgMarkerNode* SvgStyleAttributes::accessMarkerEndXLink() const
2547         {
2548             if(!mpMarkerEndXLink)
2549             {
2550                 const rtl::OUString aMarker(getMarkerEndXLink());
2551 
2552                 if(aMarker.getLength())
2553                 {
2554                     const_cast< SvgStyleAttributes* >(this)->mpMarkerEndXLink = dynamic_cast< const SvgMarkerNode* >(mrOwner.getDocument().findSvgNodeById(getMarkerEndXLink()));
2555                 }
2556             }
2557 
2558             return mpMarkerEndXLink;
2559         }
2560 
2561         SvgNumber SvgStyleAttributes::getBaselineShiftNumber() const
2562         {
2563             // #122524# Handle Unit_percent realtive to parent BaselineShift
2564             if(Unit_percent == maBaselineShiftNumber.getUnit())
2565             {
2566                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2567 
2568                 if(pSvgStyleAttributes)
2569                 {
2570                     const SvgNumber aParentNumber = pSvgStyleAttributes->getBaselineShiftNumber();
2571 
2572                     return SvgNumber(
2573                         aParentNumber.getNumber() * maBaselineShiftNumber.getNumber() * 0.01,
2574                         aParentNumber.getUnit(),
2575                         true);
2576                 }
2577             }
2578 
2579             return maBaselineShiftNumber;
2580         }
2581     } // end of namespace svgreader
2582 } // end of namespace svgio
2583 
2584 //////////////////////////////////////////////////////////////////////////////
2585 // eof
2586