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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                         // #i124852# transform may be needed when userSpaceOnUse
1134                         mpClip->apply(aSource, pTransform);
1135                     }
1136                 }
1137 
1138                 if(aSource.hasElements()) // test again, applied clipPath may have lead to empty geometry
1139                 {
1140                     if(getMaskXLink().getLength())
1141                     {
1142                         // try to access linked Mask
1143                         const SvgMaskNode* mpMask = dynamic_cast< const SvgMaskNode* >(mrOwner.getDocument().findSvgNodeById(getMaskXLink()));
1144 
1145                         if(mpMask)
1146                         {
1147                             // #i124852# transform may be needed when userSpaceOnUse
1148                             mpMask->apply(aSource, pTransform);
1149                         }
1150                     }
1151 
1152                     if(aSource.hasElements()) // test again, applied mask may have lead to empty geometry
1153                     {
1154                         // append to current target
1155                         drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aSource);
1156                     }
1157                 }
1158             }
1159         }
1160 
1161         SvgStyleAttributes::SvgStyleAttributes(SvgNode& rOwner)
1162         :   mrOwner(rOwner),
1163             mpCssStyleParent(0),
1164             maFill(),
1165             maStroke(),
1166             maStopColor(basegfx::BColor(0.0, 0.0, 0.0), true),
1167             maStrokeWidth(),
1168             maStopOpacity(),
1169             mpSvgGradientNodeFill(0),
1170             mpSvgGradientNodeStroke(0),
1171             mpSvgPatternNodeFill(0),
1172             mpSvgPatternNodeStroke(0),
1173             maFillOpacity(),
1174             maStrokeDasharray(),
1175             maStrokeDashOffset(),
1176             maStrokeLinecap(StrokeLinecap_notset),
1177             maStrokeLinejoin(StrokeLinejoin_notset),
1178             maStrokeMiterLimit(),
1179             maStrokeOpacity(),
1180             maFontFamily(),
1181             maFontSize(),
1182             maFontStretch(FontStretch_notset),
1183             maFontStyle(FontStyle_notset),
1184             maFontVariant(FontVariant_notset),
1185             maFontWeight(FontWeight_notset),
1186             maTextAlign(TextAlign_notset),
1187             maTextDecoration(TextDecoration_notset),
1188             maTextAnchor(TextAnchor_notset),
1189             maColor(),
1190             maOpacity(1.0),
1191             maTitle(),
1192             maDesc(),
1193             maClipPathXLink(),
1194             maMaskXLink(),
1195             maMarkerStartXLink(),
1196             mpMarkerStartXLink(0),
1197             maMarkerMidXLink(),
1198             mpMarkerMidXLink(0),
1199             maMarkerEndXLink(),
1200             mpMarkerEndXLink(0),
1201             maFillRule(FillRule_notset),
1202             maClipRule(FillRule_nonzero),
1203             maBaselineShift(BaselineShift_Baseline),
1204             maBaselineShiftNumber(0),
1205             mbIsClipPathContent(SVGTokenClipPathNode == mrOwner.getType()),
1206             mbStrokeDasharraySet(false)
1207         {
1208             if(!mbIsClipPathContent)
1209             {
1210                 const SvgStyleAttributes* pParentStyle = getParentStyle();
1211 
1212                 if(pParentStyle)
1213                 {
1214                     mbIsClipPathContent = pParentStyle->mbIsClipPathContent;
1215                 }
1216             }
1217         }
1218 
1219         SvgStyleAttributes::~SvgStyleAttributes()
1220         {
1221         }
1222 
1223         void SvgStyleAttributes::parseStyleAttribute(const rtl::OUString& /* rTokenName */, SVGToken aSVGToken, const rtl::OUString& aContent)
1224         {
1225             switch(aSVGToken)
1226             {
1227                 case SVGTokenFill:
1228                 {
1229                     SvgPaint aSvgPaint;
1230                     rtl::OUString aURL;
1231 
1232                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1233                     {
1234                         setFill(aSvgPaint);
1235                     }
1236                     else if(aURL.getLength())
1237                     {
1238                         const SvgNode* pNode = mrOwner.getDocument().findSvgNodeById(aURL);
1239 
1240                         if(pNode)
1241                         {
1242                             if(SVGTokenLinearGradient == pNode->getType() || SVGTokenRadialGradient  == pNode->getType())
1243                             {
1244                                 setSvgGradientNodeFill(static_cast< const SvgGradientNode* >(pNode));
1245                             }
1246                             else if(SVGTokenPattern == pNode->getType())
1247                             {
1248                                 setSvgPatternNodeFill(static_cast< const SvgPatternNode* >(pNode));
1249                             }
1250                         }
1251                     }
1252                     break;
1253                 }
1254                 case SVGTokenFillOpacity:
1255                 {
1256                     SvgNumber aNum;
1257 
1258                     if(readSingleNumber(aContent, aNum))
1259                     {
1260                         if(aNum.isPositive())
1261                         {
1262                             setFillOpacity(aNum);
1263                         }
1264                     }
1265                     break;
1266                 }
1267                 case SVGTokenFillRule:
1268                 {
1269                     if(aContent.getLength())
1270                     {
1271                         if(aContent.match(commonStrings::aStrNonzero))
1272                         {
1273                             maFillRule = FillRule_nonzero;
1274                         }
1275                         else if(aContent.match(commonStrings::aStrEvenOdd))
1276                         {
1277                             maFillRule = FillRule_evenodd;
1278                         }
1279                     }
1280                     break;
1281                 }
1282                 case SVGTokenStroke:
1283                 {
1284                     SvgPaint aSvgPaint;
1285                     rtl::OUString aURL;
1286 
1287                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1288                     {
1289                         setStroke(aSvgPaint);
1290                     }
1291                     else if(aURL.getLength())
1292                     {
1293                         const SvgNode* pNode = mrOwner.getDocument().findSvgNodeById(aURL);
1294 
1295                         if(pNode)
1296                         {
1297                             if(SVGTokenLinearGradient == pNode->getType() || SVGTokenRadialGradient  == pNode->getType())
1298                             {
1299                                 setSvgGradientNodeStroke(static_cast< const SvgGradientNode* >(pNode));
1300                             }
1301                             else if(SVGTokenPattern == pNode->getType())
1302                             {
1303                                 setSvgPatternNodeStroke(static_cast< const SvgPatternNode* >(pNode));
1304                             }
1305                         }
1306                     }
1307                     break;
1308                 }
1309                 case SVGTokenStrokeDasharray:
1310                 {
1311                     if(aContent.getLength())
1312                     {
1313                         static rtl::OUString aStrNone(rtl::OUString::createFromAscii("none"));
1314                         SvgNumberVector aVector;
1315 
1316                         if(aContent.match(aStrNone))
1317                         {
1318                             // #121221# The special value 'none' needs to be handled
1319                             // in the sense that *when* it is set, the parent shall not
1320                             // be used. Before this was only dependent on the array being
1321                             // empty
1322                             setStrokeDasharraySet(true);
1323                         }
1324                         else if(readSvgNumberVector(aContent, aVector))
1325                         {
1326                             setStrokeDasharray(aVector);
1327                         }
1328                     }
1329                     break;
1330                 }
1331                 case SVGTokenStrokeDashoffset:
1332                 {
1333                     SvgNumber aNum;
1334 
1335                     if(readSingleNumber(aContent, aNum))
1336                     {
1337                         if(aNum.isPositive())
1338                         {
1339                             setStrokeDashOffset(aNum);
1340                         }
1341                     }
1342                     break;
1343                 }
1344                 case SVGTokenStrokeLinecap:
1345                 {
1346                     if(aContent.getLength())
1347                     {
1348                         static rtl::OUString aStrButt(rtl::OUString::createFromAscii("butt"));
1349                         static rtl::OUString aStrRound(rtl::OUString::createFromAscii("round"));
1350                         static rtl::OUString aStrSquare(rtl::OUString::createFromAscii("square"));
1351 
1352                         if(aContent.match(aStrButt))
1353                         {
1354                             setStrokeLinecap(StrokeLinecap_butt);
1355                         }
1356                         else if(aContent.match(aStrRound))
1357                         {
1358                             setStrokeLinecap(StrokeLinecap_round);
1359                         }
1360                         else if(aContent.match(aStrSquare))
1361                         {
1362                             setStrokeLinecap(StrokeLinecap_square);
1363                         }
1364                     }
1365                     break;
1366                 }
1367                 case SVGTokenStrokeLinejoin:
1368                 {
1369                     if(aContent.getLength())
1370                     {
1371                         static rtl::OUString aStrMiter(rtl::OUString::createFromAscii("miter"));
1372                         static rtl::OUString aStrRound(rtl::OUString::createFromAscii("round"));
1373                         static rtl::OUString aStrBevel(rtl::OUString::createFromAscii("bevel"));
1374 
1375                         if(aContent.match(aStrMiter))
1376                         {
1377                             setStrokeLinejoin(StrokeLinejoin_miter);
1378                         }
1379                         else if(aContent.match(aStrRound))
1380                         {
1381                             setStrokeLinejoin(StrokeLinejoin_round);
1382                         }
1383                         else if(aContent.match(aStrBevel))
1384                         {
1385                             setStrokeLinejoin(StrokeLinejoin_bevel);
1386                         }
1387                     }
1388                     break;
1389                 }
1390                 case SVGTokenStrokeMiterlimit:
1391                 {
1392                     SvgNumber aNum;
1393 
1394                     if(readSingleNumber(aContent, aNum))
1395                     {
1396                         if(aNum.isPositive())
1397                         {
1398                             setStrokeMiterLimit(aNum);
1399                         }
1400                     }
1401                     break;
1402                 }
1403                 case SVGTokenStrokeOpacity:
1404                 {
1405                     SvgNumber aNum;
1406 
1407                     if(readSingleNumber(aContent, aNum))
1408                     {
1409                         if(aNum.isPositive())
1410                         {
1411                             setStrokeOpacity(aNum);
1412                         }
1413                     }
1414                     break;
1415                 }
1416                 case SVGTokenStrokeWidth:
1417                 {
1418                     SvgNumber aNum;
1419 
1420                     if(readSingleNumber(aContent, aNum))
1421                     {
1422                         if(aNum.isPositive())
1423                         {
1424                             setStrokeWidth(aNum);
1425                         }
1426                     }
1427                     break;
1428                 }
1429                 case SVGTokenStopColor:
1430                 {
1431                     SvgPaint aSvgPaint;
1432                     rtl::OUString aURL;
1433 
1434                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1435                     {
1436                         setStopColor(aSvgPaint);
1437                     }
1438                     break;
1439                 }
1440                 case SVGTokenStopOpacity:
1441                 {
1442                     SvgNumber aNum;
1443 
1444                     if(readSingleNumber(aContent, aNum))
1445                     {
1446                         if(aNum.isPositive())
1447                         {
1448                             setStopOpacity(aNum);
1449                         }
1450                     }
1451                     break;
1452                 }
1453                 case SVGTokenFont:
1454                 {
1455                     break;
1456                 }
1457                 case SVGTokenFontFamily:
1458                 {
1459                     SvgStringVector aSvgStringVector;
1460 
1461                     if(readSvgStringVector(aContent, aSvgStringVector))
1462                     {
1463                         setFontFamily(aSvgStringVector);
1464                     }
1465                     break;
1466                 }
1467                 case SVGTokenFontSize:
1468                 {
1469                     SvgNumber aNum;
1470 
1471                     if(readSingleNumber(aContent, aNum))
1472                     {
1473                         setFontSize(aNum);
1474                     }
1475                     break;
1476                 }
1477                 case SVGTokenFontSizeAdjust:
1478                 {
1479                     break;
1480                 }
1481                 case SVGTokenFontStretch:
1482                 {
1483                     if(aContent.getLength())
1484                     {
1485                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1486                         static rtl::OUString aStrWider(rtl::OUString::createFromAscii("wider"));
1487                         static rtl::OUString aStrNarrower(rtl::OUString::createFromAscii("narrower"));
1488                         static rtl::OUString aStrUltra_condensed(rtl::OUString::createFromAscii("ultra-condensed"));
1489                         static rtl::OUString aStrExtra_condensed(rtl::OUString::createFromAscii("extra-condensed"));
1490                         static rtl::OUString aStrCondensed(rtl::OUString::createFromAscii("condensed"));
1491                         static rtl::OUString aStrSemi_condensed(rtl::OUString::createFromAscii("semi-condensed"));
1492                         static rtl::OUString aStrSemi_expanded(rtl::OUString::createFromAscii("semi-expanded"));
1493                         static rtl::OUString aStrExpanded(rtl::OUString::createFromAscii("expanded"));
1494                         static rtl::OUString aStrExtra_expanded(rtl::OUString::createFromAscii("extra-expanded"));
1495                         static rtl::OUString aStrUltra_expanded(rtl::OUString::createFromAscii("ultra-expanded"));
1496 
1497                         if(aContent.match(aStrNormal))
1498                         {
1499                             setFontStretch(FontStretch_normal);
1500                         }
1501                         else if(aContent.match(aStrWider))
1502                         {
1503                             setFontStretch(FontStretch_wider);
1504                         }
1505                         else if(aContent.match(aStrNarrower))
1506                         {
1507                             setFontStretch(FontStretch_narrower);
1508                         }
1509                         else if(aContent.match(aStrUltra_condensed))
1510                         {
1511                             setFontStretch(FontStretch_ultra_condensed);
1512                         }
1513                         else if(aContent.match(aStrExtra_condensed))
1514                         {
1515                             setFontStretch(FontStretch_extra_condensed);
1516                         }
1517                         else if(aContent.match(aStrCondensed))
1518                         {
1519                             setFontStretch(FontStretch_condensed);
1520                         }
1521                         else if(aContent.match(aStrSemi_condensed))
1522                         {
1523                             setFontStretch(FontStretch_semi_condensed);
1524                         }
1525                         else if(aContent.match(aStrSemi_expanded))
1526                         {
1527                             setFontStretch(FontStretch_semi_expanded);
1528                         }
1529                         else if(aContent.match(aStrExpanded))
1530                         {
1531                             setFontStretch(FontStretch_expanded);
1532                         }
1533                         else if(aContent.match(aStrExtra_expanded))
1534                         {
1535                             setFontStretch(FontStretch_extra_expanded);
1536                         }
1537                         else if(aContent.match(aStrUltra_expanded))
1538                         {
1539                             setFontStretch(FontStretch_ultra_expanded);
1540                         }
1541                     }
1542                     break;
1543                 }
1544                 case SVGTokenFontStyle:
1545                 {
1546                     if(aContent.getLength())
1547                     {
1548                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1549                         static rtl::OUString aStrItalic(rtl::OUString::createFromAscii("italic"));
1550                         static rtl::OUString aStrOblique(rtl::OUString::createFromAscii("oblique"));
1551 
1552                         if(aContent.match(aStrNormal))
1553                         {
1554                             setFontStyle(FontStyle_normal);
1555                         }
1556                         else if(aContent.match(aStrItalic))
1557                         {
1558                             setFontStyle(FontStyle_italic);
1559                         }
1560                         else if(aContent.match(aStrOblique))
1561                         {
1562                             setFontStyle(FontStyle_oblique);
1563                         }
1564                     }
1565                     break;
1566                 }
1567                 case SVGTokenFontVariant:
1568                 {
1569                     if(aContent.getLength())
1570                     {
1571                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1572                         static rtl::OUString aStrSmallCaps(rtl::OUString::createFromAscii("small-caps"));
1573 
1574                         if(aContent.match(aStrNormal))
1575                         {
1576                             setFontVariant(FontVariant_normal);
1577                         }
1578                         else if(aContent.match(aStrSmallCaps))
1579                         {
1580                             setFontVariant(FontVariant_small_caps);
1581                         }
1582                     }
1583                     break;
1584                 }
1585                 case SVGTokenFontWeight:
1586                 {
1587                     if(aContent.getLength())
1588                     {
1589                         static rtl::OUString aStrNormal(rtl::OUString::createFromAscii("normal"));
1590                         static rtl::OUString aStrBold(rtl::OUString::createFromAscii("bold"));
1591                         static rtl::OUString aStrBolder(rtl::OUString::createFromAscii("bolder"));
1592                         static rtl::OUString aStrLighter(rtl::OUString::createFromAscii("lighter"));
1593                         static rtl::OUString aStr100(rtl::OUString::createFromAscii("100"));
1594                         static rtl::OUString aStr200(rtl::OUString::createFromAscii("200"));
1595                         static rtl::OUString aStr300(rtl::OUString::createFromAscii("300"));
1596                         static rtl::OUString aStr400(rtl::OUString::createFromAscii("400"));
1597                         static rtl::OUString aStr500(rtl::OUString::createFromAscii("500"));
1598                         static rtl::OUString aStr600(rtl::OUString::createFromAscii("600"));
1599                         static rtl::OUString aStr700(rtl::OUString::createFromAscii("700"));
1600                         static rtl::OUString aStr800(rtl::OUString::createFromAscii("800"));
1601                         static rtl::OUString aStr900(rtl::OUString::createFromAscii("900"));
1602 
1603                         if(aContent.match(aStr100))
1604                         {
1605                             setFontWeight(FontWeight_100);
1606                         }
1607                         else if(aContent.match(aStr200))
1608                         {
1609                             setFontWeight(FontWeight_200);
1610                         }
1611                         else if(aContent.match(aStr300))
1612                         {
1613                             setFontWeight(FontWeight_300);
1614                         }
1615                         else if(aContent.match(aStr400) || aContent.match(aStrNormal))
1616                         {
1617                             setFontWeight(FontWeight_400);
1618                         }
1619                         else if(aContent.match(aStr500))
1620                         {
1621                             setFontWeight(FontWeight_500);
1622                         }
1623                         else if(aContent.match(aStr600))
1624                         {
1625                             setFontWeight(FontWeight_600);
1626                         }
1627                         else if(aContent.match(aStr700) || aContent.match(aStrBold))
1628                         {
1629                             setFontWeight(FontWeight_700);
1630                         }
1631                         else if(aContent.match(aStr800))
1632                         {
1633                             setFontWeight(FontWeight_800);
1634                         }
1635                         else if(aContent.match(aStr900))
1636                         {
1637                             setFontWeight(FontWeight_900);
1638                         }
1639                         else if(aContent.match(aStrBolder))
1640                         {
1641                             setFontWeight(FontWeight_bolder);
1642                         }
1643                         else if(aContent.match(aStrLighter))
1644                         {
1645                             setFontWeight(FontWeight_lighter);
1646                         }
1647                     }
1648                     break;
1649                 }
1650                 case SVGTokenDirection:
1651                 {
1652                     break;
1653                 }
1654                 case SVGTokenLetterSpacing:
1655                 {
1656                     break;
1657                 }
1658                 case SVGTokenTextDecoration:
1659                 {
1660                     if(aContent.getLength())
1661                     {
1662                         static rtl::OUString aStrNone(rtl::OUString::createFromAscii("none"));
1663                         static rtl::OUString aStrUnderline(rtl::OUString::createFromAscii("underline"));
1664                         static rtl::OUString aStrOverline(rtl::OUString::createFromAscii("overline"));
1665                         static rtl::OUString aStrLineThrough(rtl::OUString::createFromAscii("line-through"));
1666                         static rtl::OUString aStrBlink(rtl::OUString::createFromAscii("blink"));
1667 
1668                         if(aContent.match(aStrNone))
1669                         {
1670                             setTextDecoration(TextDecoration_none);
1671                         }
1672                         else if(aContent.match(aStrUnderline))
1673                         {
1674                             setTextDecoration(TextDecoration_underline);
1675                         }
1676                         else if(aContent.match(aStrOverline))
1677                         {
1678                             setTextDecoration(TextDecoration_overline);
1679                         }
1680                         else if(aContent.match(aStrLineThrough))
1681                         {
1682                             setTextDecoration(TextDecoration_line_through);
1683                         }
1684                         else if(aContent.match(aStrBlink))
1685                         {
1686                             setTextDecoration(TextDecoration_blink);
1687                         }
1688                     }
1689                     break;
1690                 }
1691                 case SVGTokenUnicodeBidi:
1692                 {
1693                     break;
1694                 }
1695                 case SVGTokenWordSpacing:
1696                 {
1697                     break;
1698                 }
1699                 case SVGTokenTextAnchor:
1700                 {
1701                     if(aContent.getLength())
1702                     {
1703                         static rtl::OUString aStrStart(rtl::OUString::createFromAscii("start"));
1704                         static rtl::OUString aStrMiddle(rtl::OUString::createFromAscii("middle"));
1705                         static rtl::OUString aStrEnd(rtl::OUString::createFromAscii("end"));
1706 
1707                         if(aContent.match(aStrStart))
1708                         {
1709                             setTextAnchor(TextAnchor_start);
1710                         }
1711                         else if(aContent.match(aStrMiddle))
1712                         {
1713                             setTextAnchor(TextAnchor_middle);
1714                         }
1715                         else if(aContent.match(aStrEnd))
1716                         {
1717                             setTextAnchor(TextAnchor_end);
1718                         }
1719                     }
1720                     break;
1721                 }
1722                 case SVGTokenTextAlign:
1723                 {
1724                     if(aContent.getLength())
1725                     {
1726                         static rtl::OUString aStrLeft(rtl::OUString::createFromAscii("left"));
1727                         static rtl::OUString aStrRight(rtl::OUString::createFromAscii("right"));
1728                         static rtl::OUString aStrCenter(rtl::OUString::createFromAscii("center"));
1729                         static rtl::OUString aStrJustify(rtl::OUString::createFromAscii("justify"));
1730 
1731                         if(aContent.match(aStrLeft))
1732                         {
1733                             setTextAlign(TextAlign_left);
1734                         }
1735                         else if(aContent.match(aStrRight))
1736                         {
1737                             setTextAlign(TextAlign_right);
1738                         }
1739                         else if(aContent.match(aStrCenter))
1740                         {
1741                             setTextAlign(TextAlign_center);
1742                         }
1743                         else if(aContent.match(aStrJustify))
1744                         {
1745                             setTextAlign(TextAlign_justify);
1746                         }
1747                     }
1748                     break;
1749                 }
1750                 case SVGTokenColor:
1751                 {
1752                     SvgPaint aSvgPaint;
1753                     rtl::OUString aURL;
1754 
1755                     if(readSvgPaint(aContent, aSvgPaint, aURL))
1756                     {
1757                         setColor(aSvgPaint);
1758                     }
1759                     break;
1760                 }
1761                 case SVGTokenOpacity:
1762                 {
1763                     SvgNumber aNum;
1764 
1765                     if(readSingleNumber(aContent, aNum))
1766                     {
1767                         setOpacity(SvgNumber(basegfx::clamp(aNum.getNumber(), 0.0, 1.0), aNum.getUnit(), aNum.isSet()));
1768                     }
1769                     break;
1770                 }
1771                 case SVGTokenTitle:
1772                 {
1773                     setTitle(aContent);
1774                     break;
1775                 }
1776                 case SVGTokenDesc:
1777                 {
1778                     setDesc(aContent);
1779                     break;
1780                 }
1781                 case SVGTokenClipPathProperty:
1782                 {
1783                     readLocalUrl(aContent, maClipPathXLink);
1784                     break;
1785                 }
1786                 case SVGTokenMask:
1787                 {
1788                     readLocalUrl(aContent, maMaskXLink);
1789                     break;
1790                 }
1791                 case SVGTokenClipRule:
1792                 {
1793                     if(aContent.getLength())
1794                     {
1795                         if(aContent.match(commonStrings::aStrNonzero))
1796                         {
1797                             maClipRule = FillRule_nonzero;
1798                         }
1799                         else if(aContent.match(commonStrings::aStrEvenOdd))
1800                         {
1801                             maClipRule = FillRule_evenodd;
1802                         }
1803                     }
1804                     break;
1805                 }
1806                 case SVGTokenMarker:
1807                 {
1808                     readLocalUrl(aContent, maMarkerEndXLink);
1809                     maMarkerStartXLink = maMarkerMidXLink = maMarkerEndXLink;
1810                     break;
1811                 }
1812                 case SVGTokenMarkerStart:
1813                 {
1814                     readLocalUrl(aContent, maMarkerStartXLink);
1815                     break;
1816                 }
1817                 case SVGTokenMarkerMid:
1818                 {
1819                     readLocalUrl(aContent, maMarkerMidXLink);
1820                     break;
1821                 }
1822                 case SVGTokenMarkerEnd:
1823                 {
1824                     readLocalUrl(aContent, maMarkerEndXLink);
1825                     break;
1826                 }
1827                 case SVGTokenDisplay:
1828                 {
1829                     // There may be display:none statements inside of style defines, e.g. the following line:
1830                     // style="display:none"
1831                     // taken from a svg example; this needs to be parsed and set at the owning node. Do not call
1832                     // mrOwner.parseAttribute(...) here, this would lead to a recursion
1833                     if(aContent.getLength())
1834                     {
1835                         mrOwner.setDisplay(getDisplayFromContent(aContent));
1836                     }
1837                     break;
1838                 }
1839                 case SVGTokenBaselineShift:
1840                 {
1841                     if(aContent.getLength())
1842                     {
1843                         static rtl::OUString aStrSub(rtl::OUString::createFromAscii("sub"));
1844                         static rtl::OUString aStrSuper(rtl::OUString::createFromAscii("super"));
1845                         SvgNumber aNum;
1846 
1847                         if(aContent.match(aStrSub))
1848                         {
1849                             setBaselineShift(BaselineShift_Sub);
1850                         }
1851                         else if(aContent.match(aStrSuper))
1852                         {
1853                             setBaselineShift(BaselineShift_Super);
1854                         }
1855                         else if(readSingleNumber(aContent, aNum))
1856                         {
1857                             setBaselineShiftNumber(aNum);
1858 
1859                             if(Unit_percent == aNum.getUnit())
1860                             {
1861                                 setBaselineShift(BaselineShift_Percentage);
1862                             }
1863                             else
1864                             {
1865                                 setBaselineShift(BaselineShift_Length);
1866                             }
1867                         }
1868                         else
1869                         {
1870                             // no BaselineShift or inherit (which is automatically)
1871                             setBaselineShift(BaselineShift_Baseline);
1872                         }
1873                     }
1874                     break;
1875                 }
1876                 default:
1877                 {
1878                     break;
1879                 }
1880             }
1881         }
1882 
1883         const basegfx::BColor* SvgStyleAttributes::getFill() const
1884         {
1885             if(mbIsClipPathContent)
1886             {
1887                 static basegfx::BColor aBlack(0.0, 0.0, 0.0);
1888 
1889                 return &aBlack;
1890             }
1891             else if(maFill.isSet())
1892             {
1893                 if(maFill.isCurrent())
1894                 {
1895                     return getColor();
1896                 }
1897                 else if(maFill.isOn())
1898                 {
1899                     return &maFill.getBColor();
1900                 }
1901             }
1902             else
1903             {
1904                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1905 
1906                 if(pSvgStyleAttributes)
1907                 {
1908                     return pSvgStyleAttributes->getFill();
1909                 }
1910             }
1911 
1912             return 0;
1913         }
1914 
1915         const basegfx::BColor* SvgStyleAttributes::getStroke() const
1916         {
1917             if(mbIsClipPathContent)
1918             {
1919                 return 0;
1920             }
1921             else if(maStroke.isSet())
1922             {
1923                 if(maStroke.isCurrent())
1924                 {
1925                     return getColor();
1926                 }
1927                 else if(maStroke.isOn())
1928                 {
1929                     return &maStroke.getBColor();
1930                 }
1931             }
1932             else
1933             {
1934                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1935 
1936                 if(pSvgStyleAttributes)
1937                 {
1938                     return pSvgStyleAttributes->getStroke();
1939                 }
1940             }
1941 
1942             return 0;
1943         }
1944 
1945         const basegfx::BColor& SvgStyleAttributes::getStopColor() const
1946         {
1947             if(maStopColor.isCurrent())
1948             {
1949                 return *getColor();
1950             }
1951             else
1952             {
1953                 return maStopColor.getBColor();
1954             }
1955         }
1956 
1957         const SvgGradientNode* SvgStyleAttributes::getSvgGradientNodeFill() const
1958         {
1959             if(mbIsClipPathContent)
1960             {
1961                 return 0;
1962             }
1963             else if(mpSvgGradientNodeFill)
1964             {
1965                 return mpSvgGradientNodeFill;
1966             }
1967             else
1968             {
1969                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1970 
1971                 if(pSvgStyleAttributes)
1972                 {
1973                     return pSvgStyleAttributes->getSvgGradientNodeFill();
1974                 }
1975             }
1976 
1977             return 0;
1978         }
1979 
1980         const SvgGradientNode* SvgStyleAttributes::getSvgGradientNodeStroke() const
1981         {
1982             if(mbIsClipPathContent)
1983             {
1984                 return 0;
1985             }
1986             else if(mpSvgGradientNodeStroke)
1987             {
1988                 return mpSvgGradientNodeStroke;
1989             }
1990             else
1991             {
1992                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
1993 
1994                 if(pSvgStyleAttributes)
1995                 {
1996                     return pSvgStyleAttributes->getSvgGradientNodeStroke();
1997                 }
1998             }
1999 
2000             return 0;
2001         }
2002 
2003         const SvgPatternNode* SvgStyleAttributes::getSvgPatternNodeFill() const
2004         {
2005             if(mbIsClipPathContent)
2006             {
2007                 return 0;
2008             }
2009             else if(mpSvgPatternNodeFill)
2010             {
2011                 return mpSvgPatternNodeFill;
2012             }
2013             else
2014             {
2015                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2016 
2017                 if(pSvgStyleAttributes)
2018                 {
2019                     return pSvgStyleAttributes->getSvgPatternNodeFill();
2020                 }
2021             }
2022 
2023             return 0;
2024         }
2025 
2026         const SvgPatternNode* SvgStyleAttributes::getSvgPatternNodeStroke() const
2027         {
2028             if(mbIsClipPathContent)
2029             {
2030                 return 0;
2031             }
2032             else if(mpSvgPatternNodeStroke)
2033             {
2034                 return mpSvgPatternNodeStroke;
2035             }
2036             else
2037             {
2038                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2039 
2040                 if(pSvgStyleAttributes)
2041                 {
2042                     return pSvgStyleAttributes->getSvgPatternNodeStroke();
2043                 }
2044             }
2045 
2046             return 0;
2047         }
2048 
2049         SvgNumber SvgStyleAttributes::getStrokeWidth() const
2050         {
2051             if(mbIsClipPathContent)
2052             {
2053                 return SvgNumber(0.0);
2054             }
2055             else if(maStrokeWidth.isSet())
2056             {
2057                 return maStrokeWidth;
2058             }
2059 
2060             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2061 
2062             if(pSvgStyleAttributes)
2063             {
2064                 return pSvgStyleAttributes->getStrokeWidth();
2065             }
2066 
2067             // default is 1
2068             return SvgNumber(1.0);
2069         }
2070 
2071         SvgNumber SvgStyleAttributes::getStopOpacity() const
2072         {
2073             if(maStopOpacity.isSet())
2074             {
2075                 return maStopOpacity;
2076             }
2077 
2078             // default is 1
2079             return SvgNumber(1.0);
2080         }
2081 
2082         SvgNumber SvgStyleAttributes::getFillOpacity() const
2083         {
2084             if(mbIsClipPathContent)
2085             {
2086                 return SvgNumber(1.0);
2087             }
2088             else if(maFillOpacity.isSet())
2089             {
2090                 return maFillOpacity;
2091             }
2092 
2093             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2094 
2095             if(pSvgStyleAttributes)
2096             {
2097                 return pSvgStyleAttributes->getFillOpacity();
2098             }
2099 
2100             // default is 1
2101             return SvgNumber(1.0);
2102         }
2103 
2104         FillRule SvgStyleAttributes::getFillRule() const
2105         {
2106             if(FillRule_notset != maFillRule)
2107             {
2108                 return maFillRule;
2109             }
2110 
2111             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2112 
2113             if(pSvgStyleAttributes)
2114             {
2115                 return pSvgStyleAttributes->getFillRule();
2116             }
2117 
2118             // default is NonZero
2119             return FillRule_nonzero;
2120         }
2121 
2122         const SvgNumberVector& SvgStyleAttributes::getStrokeDasharray() const
2123         {
2124             if(!maStrokeDasharray.empty())
2125             {
2126                 return maStrokeDasharray;
2127             }
2128             else if(getStrokeDasharraySet())
2129             {
2130                 // #121221# is set to empty *by purpose*, do not visit parent styles
2131                 return maStrokeDasharray;
2132             }
2133 
2134             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2135 
2136             if(pSvgStyleAttributes)
2137             {
2138                 return pSvgStyleAttributes->getStrokeDasharray();
2139             }
2140 
2141             // default empty
2142             return maStrokeDasharray;
2143         }
2144 
2145         SvgNumber SvgStyleAttributes::getStrokeDashOffset() const
2146         {
2147             if(maStrokeDashOffset.isSet())
2148             {
2149                 return maStrokeDashOffset;
2150             }
2151 
2152             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2153 
2154             if(pSvgStyleAttributes)
2155             {
2156                 return pSvgStyleAttributes->getStrokeDashOffset();
2157             }
2158 
2159             // default is 0
2160             return SvgNumber(0.0);
2161         }
2162 
2163         StrokeLinecap SvgStyleAttributes::getStrokeLinecap() const
2164         {
2165             if(maStrokeLinecap != StrokeLinecap_notset)
2166             {
2167                 return maStrokeLinecap;
2168             }
2169 
2170             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2171 
2172             if(pSvgStyleAttributes)
2173             {
2174                 return pSvgStyleAttributes->getStrokeLinecap();
2175             }
2176 
2177             // default is StrokeLinecap_butt
2178             return StrokeLinecap_butt;
2179         }
2180 
2181         StrokeLinejoin SvgStyleAttributes::getStrokeLinejoin() const
2182         {
2183             if(maStrokeLinejoin != StrokeLinejoin_notset)
2184             {
2185                 return maStrokeLinejoin;
2186             }
2187 
2188             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2189 
2190             if(pSvgStyleAttributes)
2191             {
2192                 return pSvgStyleAttributes->getStrokeLinejoin();
2193             }
2194 
2195             // default is StrokeLinejoin_butt
2196             return StrokeLinejoin_miter;
2197         }
2198 
2199         SvgNumber SvgStyleAttributes::getStrokeMiterLimit() const
2200         {
2201             if(maStrokeMiterLimit.isSet())
2202             {
2203                 return maStrokeMiterLimit;
2204             }
2205 
2206             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2207 
2208             if(pSvgStyleAttributes)
2209             {
2210                 return pSvgStyleAttributes->getStrokeMiterLimit();
2211             }
2212 
2213             // default is 4
2214             return SvgNumber(4.0);
2215         }
2216 
2217         SvgNumber SvgStyleAttributes::getStrokeOpacity() const
2218         {
2219             if(maStrokeOpacity.isSet())
2220             {
2221                 return maStrokeOpacity;
2222             }
2223 
2224             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2225 
2226             if(pSvgStyleAttributes)
2227             {
2228                 return pSvgStyleAttributes->getStrokeOpacity();
2229             }
2230 
2231             // default is 1
2232             return SvgNumber(1.0);
2233         }
2234 
2235         const SvgStringVector& SvgStyleAttributes::getFontFamily() const
2236         {
2237             if(!maFontFamily.empty())
2238             {
2239                 return maFontFamily;
2240             }
2241 
2242             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2243 
2244             if(pSvgStyleAttributes)
2245             {
2246                 return pSvgStyleAttributes->getFontFamily();
2247             }
2248 
2249             // default is empty
2250             return maFontFamily;
2251         }
2252 
2253         SvgNumber SvgStyleAttributes::getFontSize() const
2254         {
2255             if(maFontSize.isSet())
2256             {
2257                 // #122524# Handle Unit_percent realtive to parent FontSize (see SVG1.1
2258                 // spec 10.10 Font selection properties �font-size�, lastline (klick 'normative
2259                 // definition of the property')
2260                 if(Unit_percent == maFontSize.getUnit())
2261                 {
2262                     const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2263 
2264                     if(pSvgStyleAttributes)
2265                     {
2266                         const SvgNumber aParentNumber = pSvgStyleAttributes->getFontSize();
2267 
2268                         return SvgNumber(
2269                             aParentNumber.getNumber() * maFontSize.getNumber() * 0.01,
2270                             aParentNumber.getUnit(),
2271                             true);
2272                     }
2273                 }
2274 
2275                 return maFontSize;
2276             }
2277 
2278             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2279 
2280             if(pSvgStyleAttributes)
2281             {
2282                 return pSvgStyleAttributes->getFontSize();
2283             }
2284 
2285             // default is 'medium'
2286             return SvgNumber(12.0);
2287         }
2288 
2289         FontStretch SvgStyleAttributes::getFontStretch() const
2290         {
2291             if(maFontStretch != FontStretch_notset)
2292             {
2293                 if(FontStretch_wider != maFontStretch && FontStretch_narrower != maFontStretch)
2294                 {
2295                     return maFontStretch;
2296                 }
2297             }
2298 
2299             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2300 
2301             if(pSvgStyleAttributes)
2302             {
2303                 FontStretch aInherited = pSvgStyleAttributes->getFontStretch();
2304 
2305                 if(FontStretch_wider == maFontStretch)
2306                 {
2307                     aInherited = getWider(aInherited);
2308                 }
2309                 else if(FontStretch_narrower == maFontStretch)
2310                 {
2311                     aInherited = getNarrower(aInherited);
2312                 }
2313 
2314                 return aInherited;
2315             }
2316 
2317             // default is FontStretch_normal
2318             return FontStretch_normal;
2319         }
2320 
2321         FontStyle SvgStyleAttributes::getFontStyle() const
2322         {
2323             if(maFontStyle != FontStyle_notset)
2324             {
2325                 return maFontStyle;
2326             }
2327 
2328             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2329 
2330             if(pSvgStyleAttributes)
2331             {
2332                 return pSvgStyleAttributes->getFontStyle();
2333             }
2334 
2335             // default is FontStyle_normal
2336             return FontStyle_normal;
2337         }
2338 
2339         FontWeight SvgStyleAttributes::getFontWeight() const
2340         {
2341             if(maFontWeight != FontWeight_notset)
2342             {
2343                 if(FontWeight_bolder != maFontWeight && FontWeight_lighter != maFontWeight)
2344                 {
2345                     return maFontWeight;
2346                 }
2347             }
2348 
2349             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2350 
2351             if(pSvgStyleAttributes)
2352             {
2353                 FontWeight aInherited = pSvgStyleAttributes->getFontWeight();
2354 
2355                 if(FontWeight_bolder == maFontWeight)
2356                 {
2357                     aInherited = getBolder(aInherited);
2358                 }
2359                 else if(FontWeight_lighter == maFontWeight)
2360                 {
2361                     aInherited = getLighter(aInherited);
2362                 }
2363 
2364                 return aInherited;
2365             }
2366 
2367             // default is FontWeight_400 (FontWeight_normal)
2368             return FontWeight_400;
2369         }
2370 
2371         TextAlign SvgStyleAttributes::getTextAlign() const
2372         {
2373             if(maTextAlign != TextAlign_notset)
2374             {
2375                 return maTextAlign;
2376             }
2377 
2378             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2379 
2380             if(pSvgStyleAttributes)
2381             {
2382                 return pSvgStyleAttributes->getTextAlign();
2383             }
2384 
2385             // default is TextAlign_left
2386             return TextAlign_left;
2387         }
2388 
2389         const SvgStyleAttributes* SvgStyleAttributes::getTextDecorationDefiningSvgStyleAttributes() const
2390         {
2391             if(maTextDecoration != TextDecoration_notset)
2392             {
2393                 return this;
2394             }
2395 
2396             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2397 
2398             if(pSvgStyleAttributes)
2399             {
2400                 return pSvgStyleAttributes->getTextDecorationDefiningSvgStyleAttributes();
2401             }
2402 
2403             // default is 0
2404             return 0;
2405         }
2406 
2407         TextDecoration SvgStyleAttributes::getTextDecoration() const
2408         {
2409             const SvgStyleAttributes* pDefining = getTextDecorationDefiningSvgStyleAttributes();
2410 
2411             if(pDefining)
2412             {
2413                 return pDefining->maTextDecoration;
2414             }
2415             else
2416             {
2417                 // default is TextDecoration_none
2418                 return TextDecoration_none;
2419             }
2420         }
2421 
2422         TextAnchor SvgStyleAttributes::getTextAnchor() const
2423         {
2424             if(maTextAnchor != TextAnchor_notset)
2425             {
2426                 return maTextAnchor;
2427             }
2428 
2429             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2430 
2431             if(pSvgStyleAttributes)
2432             {
2433                 return pSvgStyleAttributes->getTextAnchor();
2434             }
2435 
2436             // default is TextAnchor_start
2437             return TextAnchor_start;
2438         }
2439 
2440         const basegfx::BColor* SvgStyleAttributes::getColor() const
2441         {
2442             if(maColor.isSet())
2443             {
2444                 if(maColor.isCurrent())
2445                 {
2446                     OSL_ENSURE(false, "Svg error: current color uses current color (!)");
2447                     return 0;
2448                 }
2449                 else if(maColor.isOn())
2450                 {
2451                     return &maColor.getBColor();
2452                 }
2453             }
2454             else
2455             {
2456                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2457 
2458                 if(pSvgStyleAttributes)
2459                 {
2460                     return pSvgStyleAttributes->getColor();
2461                 }
2462             }
2463 
2464             return 0;
2465         }
2466 
2467         rtl::OUString SvgStyleAttributes::getMarkerStartXLink() const
2468         {
2469             if(maMarkerStartXLink.getLength())
2470             {
2471                 return maMarkerStartXLink;
2472             }
2473 
2474             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2475 
2476             if(pSvgStyleAttributes)
2477             {
2478                 return pSvgStyleAttributes->getMarkerStartXLink();
2479             }
2480 
2481             return rtl::OUString();
2482         }
2483 
2484         const SvgMarkerNode* SvgStyleAttributes::accessMarkerStartXLink() const
2485         {
2486             if(!mpMarkerStartXLink)
2487             {
2488                 const rtl::OUString aMarker(getMarkerStartXLink());
2489 
2490                 if(aMarker.getLength())
2491                 {
2492                     const_cast< SvgStyleAttributes* >(this)->mpMarkerStartXLink = dynamic_cast< const SvgMarkerNode* >(mrOwner.getDocument().findSvgNodeById(getMarkerStartXLink()));
2493                 }
2494             }
2495 
2496             return mpMarkerStartXLink;
2497         }
2498 
2499         rtl::OUString SvgStyleAttributes::getMarkerMidXLink() const
2500         {
2501             if(maMarkerMidXLink.getLength())
2502             {
2503                 return maMarkerMidXLink;
2504             }
2505 
2506             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2507 
2508             if(pSvgStyleAttributes)
2509             {
2510                 return pSvgStyleAttributes->getMarkerMidXLink();
2511             }
2512 
2513             return rtl::OUString();
2514         }
2515 
2516         const SvgMarkerNode* SvgStyleAttributes::accessMarkerMidXLink() const
2517         {
2518             if(!mpMarkerMidXLink)
2519             {
2520                 const rtl::OUString aMarker(getMarkerMidXLink());
2521 
2522                 if(aMarker.getLength())
2523                 {
2524                     const_cast< SvgStyleAttributes* >(this)->mpMarkerMidXLink = dynamic_cast< const SvgMarkerNode* >(mrOwner.getDocument().findSvgNodeById(getMarkerMidXLink()));
2525                 }
2526             }
2527 
2528             return mpMarkerMidXLink;
2529         }
2530 
2531         rtl::OUString SvgStyleAttributes::getMarkerEndXLink() const
2532         {
2533             if(maMarkerEndXLink.getLength())
2534             {
2535                 return maMarkerEndXLink;
2536             }
2537 
2538             const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2539 
2540             if(pSvgStyleAttributes)
2541             {
2542                 return pSvgStyleAttributes->getMarkerEndXLink();
2543             }
2544 
2545             return rtl::OUString();
2546         }
2547 
2548         const SvgMarkerNode* SvgStyleAttributes::accessMarkerEndXLink() const
2549         {
2550             if(!mpMarkerEndXLink)
2551             {
2552                 const rtl::OUString aMarker(getMarkerEndXLink());
2553 
2554                 if(aMarker.getLength())
2555                 {
2556                     const_cast< SvgStyleAttributes* >(this)->mpMarkerEndXLink = dynamic_cast< const SvgMarkerNode* >(mrOwner.getDocument().findSvgNodeById(getMarkerEndXLink()));
2557                 }
2558             }
2559 
2560             return mpMarkerEndXLink;
2561         }
2562 
2563         SvgNumber SvgStyleAttributes::getBaselineShiftNumber() const
2564         {
2565             // #122524# Handle Unit_percent realtive to parent BaselineShift
2566             if(Unit_percent == maBaselineShiftNumber.getUnit())
2567             {
2568                 const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
2569 
2570                 if(pSvgStyleAttributes)
2571                 {
2572                     const SvgNumber aParentNumber = pSvgStyleAttributes->getBaselineShiftNumber();
2573 
2574                     return SvgNumber(
2575                         aParentNumber.getNumber() * maBaselineShiftNumber.getNumber() * 0.01,
2576                         aParentNumber.getUnit(),
2577                         true);
2578                 }
2579             }
2580 
2581             return maBaselineShiftNumber;
2582         }
2583     } // end of namespace svgreader
2584 } // end of namespace svgio
2585 
2586 //////////////////////////////////////////////////////////////////////////////
2587 // eof
2588