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21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_drawinglayer.hxx"
24 
25 #include <drawinglayer/processor2d/vclmetafileprocessor2d.hxx>
26 #include <tools/gen.hxx>
27 #include <vcl/virdev.hxx>
28 #include <vcl/gdimtf.hxx>
29 #include <vcl/gradient.hxx>
30 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
31 #include <drawinglayer/primitive2d/textprimitive2d.hxx>
32 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
33 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
34 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
35 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
36 #include <basegfx/polygon/b2dpolygonclipper.hxx>
37 #include <basegfx/polygon/b2dpolypolygontools.hxx>
38 #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
39 #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
40 #include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
41 #include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
42 #include <drawinglayer/processor2d/vclpixelprocessor2d.hxx>
43 #include <tools/stream.hxx>
44 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
45 #include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
46 #include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
47 #include <vcl/graphictools.hxx>
48 #include <vcl/metaact.hxx>
49 #include <drawinglayer/primitive2d/texthierarchyprimitive2d.hxx>
50 #include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
51 #include <comphelper/processfactory.hxx>
52 #include <rtl/ustring.hxx>
53 #include <com/sun/star/i18n/CharacterIteratorMode.hdl>
54 #include <com/sun/star/i18n/WordType.hpp>
55 #include <drawinglayer/primitive2d/controlprimitive2d.hxx>
56 #include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
57 #include <basegfx/polygon/b2dpolygontools.hxx>
58 #include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
59 #include <drawinglayer/primitive2d/epsprimitive2d.hxx>
60 #include <basegfx/polygon/b2dlinegeometry.hxx>
61 #include <vcl/dibtools.hxx>
62 
63 //////////////////////////////////////////////////////////////////////////////
64 // for PDFExtOutDevData Graphic support
65 
66 #include <vcl/graph.hxx>
67 #include <vcl/svapp.hxx>
68 #include <toolkit/helper/formpdfexport.hxx>
69 
70 //////////////////////////////////////////////////////////////////////////////
71 // for Control printing
72 
73 #include <com/sun/star/beans/XPropertySet.hpp>
74 
75 //////////////////////////////////////////////////////////////////////////////
76 // for StructureTagPrimitive support in sd's unomodel.cxx
77 
78 #include <drawinglayer/primitive2d/structuretagprimitive2d.hxx>
79 
80 //////////////////////////////////////////////////////////////////////////////
81 
82 using namespace com::sun::star;
83 
84 //////////////////////////////////////////////////////////////////////////////
85 // #112245# definition for maximum allowed point count due to Metafile target.
86 // To be on the safe side with the old tools polygon, use slightly less then
87 // the theoretical maximum (bad experiences with tools polygon)
88 
89 #define MAX_POLYGON_POINT_COUNT_METAFILE    (0x0000fff0)
90 
91 //////////////////////////////////////////////////////////////////////////////
92 
93 namespace
94 {
95     // #112245# helper to split line polygon in half
96     void splitLinePolygon(
97         const basegfx::B2DPolygon& rBasePolygon,
98         basegfx::B2DPolygon& o_aLeft,
99         basegfx::B2DPolygon& o_aRight)
100     {
101         const sal_uInt32 nCount(rBasePolygon.count());
102 
103         if(nCount)
104         {
105             const sal_uInt32 nHalfCount((nCount - 1) >> 1);
106 
107             o_aLeft = basegfx::B2DPolygon(rBasePolygon, 0, nHalfCount + 1);
108             o_aLeft.setClosed(false);
109 
110             o_aRight = basegfx::B2DPolygon(rBasePolygon, nHalfCount, nCount - nHalfCount);
111             o_aRight.setClosed(false);
112 
113             if(rBasePolygon.isClosed())
114             {
115                 o_aRight.append(rBasePolygon.getB2DPoint(0));
116 
117                 if(rBasePolygon.areControlPointsUsed())
118                 {
119                     o_aRight.setControlPoints(
120                         o_aRight.count() - 1,
121                         rBasePolygon.getPrevControlPoint(0),
122                         rBasePolygon.getNextControlPoint(0));
123                 }
124             }
125         }
126         else
127         {
128             o_aLeft.clear();
129             o_aRight.clear();
130         }
131     }
132 
133     // #112245# helper to evtl. split filled polygons to maximum metafile point count
134     bool fillPolyPolygonNeededToBeSplit(basegfx::B2DPolyPolygon& rPolyPolygon)
135     {
136         bool bRetval(false);
137         const sal_uInt32 nPolyCount(rPolyPolygon.count());
138 
139         if(nPolyCount)
140         {
141             basegfx::B2DPolyPolygon aSplitted;
142 
143             for(sal_uInt32 a(0); a < nPolyCount; a++)
144             {
145                 const basegfx::B2DPolygon aCandidate(rPolyPolygon.getB2DPolygon(a));
146                 const sal_uInt32 nPointCount(aCandidate.count());
147                 bool bNeedToSplit(false);
148 
149                 if(aCandidate.areControlPointsUsed())
150                 {
151                     // compare with the maximum for bezier curved polygons
152             		bNeedToSplit = nPointCount > ((MAX_POLYGON_POINT_COUNT_METAFILE / 3L) - 1L);
153                 }
154                 else
155                 {
156                     // compare with the maximum for simple point polygons
157                     bNeedToSplit = nPointCount > (MAX_POLYGON_POINT_COUNT_METAFILE - 1);
158                 }
159 
160                 if(bNeedToSplit)
161                 {
162                     // need to split the partial polygon
163                     const basegfx::B2DRange aRange(aCandidate.getB2DRange());
164             		const basegfx::B2DPoint aCenter(aRange.getCenter());
165 
166                     if(aRange.getWidth() > aRange.getHeight())
167                     {
168                         // clip in left and right
169                         const basegfx::B2DPolyPolygon aLeft(
170                             basegfx::tools::clipPolygonOnParallelAxis(
171                                 aCandidate,
172                                 false,
173                                 true,
174                                 aCenter.getX(),
175                                 false));
176                         const basegfx::B2DPolyPolygon aRight(
177                             basegfx::tools::clipPolygonOnParallelAxis(
178                                 aCandidate,
179                                 false,
180                                 false,
181                                 aCenter.getX(),
182                                 false));
183 
184                         aSplitted.append(aLeft);
185                         aSplitted.append(aRight);
186                     }
187                     else
188                     {
189                         // clip in top and bottom
190                         const basegfx::B2DPolyPolygon aTop(
191                             basegfx::tools::clipPolygonOnParallelAxis(
192                                 aCandidate,
193                                 true,
194                                 true,
195                                 aCenter.getY(),
196                                 false));
197                         const basegfx::B2DPolyPolygon aBottom(
198                             basegfx::tools::clipPolygonOnParallelAxis(
199                                 aCandidate,
200                                 true,
201                                 false,
202                                 aCenter.getY(),
203                                 false));
204 
205                         aSplitted.append(aTop);
206                         aSplitted.append(aBottom);
207                     }
208                 }
209                 else
210                 {
211                     aSplitted.append(aCandidate);
212                 }
213             }
214 
215             if(aSplitted.count() != nPolyCount)
216             {
217                 rPolyPolygon = aSplitted;
218             }
219         }
220 
221         return bRetval;
222     }
223 } // end of anonymous namespace
224 
225 //////////////////////////////////////////////////////////////////////////////
226 
227 namespace drawinglayer
228 {
229 	namespace processor2d
230 	{
231         Rectangle VclMetafileProcessor2D::impDumpToMetaFile(
232 			const primitive2d::Primitive2DSequence& rContent,
233 			GDIMetaFile& o_rContentMetafile)
234         {
235             // Prepare VDev, MetaFile and connections
236 			OutputDevice* pLastOutputDevice = mpOutputDevice;
237             GDIMetaFile* pLastMetafile = mpMetaFile;
238 			basegfx::B2DRange aPrimitiveRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rContent, getViewInformation2D()));
239 
240 			// transform primitive range with current transformation (e.g shadow offset)
241 			aPrimitiveRange.transform(maCurrentTransformation);
242 
243 			const Rectangle aPrimitiveRectangle(
244 				basegfx::fround(aPrimitiveRange.getMinX()), basegfx::fround(aPrimitiveRange.getMinY()),
245 				basegfx::fround(aPrimitiveRange.getMaxX()), basegfx::fround(aPrimitiveRange.getMaxY()));
246 			VirtualDevice aContentVDev;
247 			MapMode aNewMapMode(pLastOutputDevice->GetMapMode());
248 
249 			mpOutputDevice = &aContentVDev;
250             mpMetaFile = &o_rContentMetafile;
251 			aContentVDev.EnableOutput(false);
252 			aContentVDev.SetMapMode(pLastOutputDevice->GetMapMode());
253 			o_rContentMetafile.Record(&aContentVDev);
254 			aContentVDev.SetLineColor(pLastOutputDevice->GetLineColor());
255 			aContentVDev.SetFillColor(pLastOutputDevice->GetFillColor());
256 			aContentVDev.SetFont(pLastOutputDevice->GetFont());
257 			aContentVDev.SetDrawMode(pLastOutputDevice->GetDrawMode());
258 			aContentVDev.SetSettings(pLastOutputDevice->GetSettings());
259 			aContentVDev.SetRefPoint(pLastOutputDevice->GetRefPoint());
260 
261             // dump to MetaFile
262 			process(rContent);
263 
264             // cleanups
265 			o_rContentMetafile.Stop();
266 			o_rContentMetafile.WindStart();
267 			aNewMapMode.SetOrigin(aPrimitiveRectangle.TopLeft());
268 			o_rContentMetafile.SetPrefMapMode(aNewMapMode);
269 			o_rContentMetafile.SetPrefSize(aPrimitiveRectangle.GetSize());
270 			mpOutputDevice = pLastOutputDevice;
271             mpMetaFile = pLastMetafile;
272 
273             return aPrimitiveRectangle;
274         }
275 
276 		void VclMetafileProcessor2D::impConvertFillGradientAttributeToVCLGradient(
277 			Gradient& o_rVCLGradient,
278 			const attribute::FillGradientAttribute& rFiGrAtt,
279 			bool bIsTransparenceGradient)
280         {
281 			if(bIsTransparenceGradient)
282 			{
283 				// it's about transparence channel intensities (black/white), do not use color modifier
284 			    o_rVCLGradient.SetStartColor(Color(rFiGrAtt.getStartColor()));
285 			    o_rVCLGradient.SetEndColor(Color(rFiGrAtt.getEndColor()));
286 			}
287 			else
288 			{
289 				// use color modifier to influence start/end color of gradient
290 			    o_rVCLGradient.SetStartColor(Color(maBColorModifierStack.getModifiedColor(rFiGrAtt.getStartColor())));
291 			    o_rVCLGradient.SetEndColor(Color(maBColorModifierStack.getModifiedColor(rFiGrAtt.getEndColor())));
292 			}
293 
294             o_rVCLGradient.SetAngle(static_cast< sal_uInt16 >(rFiGrAtt.getAngle() * (1.0 / F_PI1800)));
295             o_rVCLGradient.SetBorder(static_cast< sal_uInt16 >(rFiGrAtt.getBorder() * 100.0));
296 		    o_rVCLGradient.SetOfsX(static_cast< sal_uInt16 >(rFiGrAtt.getOffsetX() * 100.0));
297 		    o_rVCLGradient.SetOfsY(static_cast< sal_uInt16 >(rFiGrAtt.getOffsetY() * 100.0));
298 		    o_rVCLGradient.SetSteps(rFiGrAtt.getSteps());
299 
300             // defaults for intensity; those were computed into the start/end colors already
301 		    o_rVCLGradient.SetStartIntensity(100);
302 		    o_rVCLGradient.SetEndIntensity(100);
303 
304             switch(rFiGrAtt.getStyle())
305             {
306                 default : // attribute::GRADIENTSTYLE_LINEAR :
307                 {
308                     o_rVCLGradient.SetStyle(GRADIENT_LINEAR);
309                     break;
310                 }
311                 case attribute::GRADIENTSTYLE_AXIAL :
312                 {
313                     o_rVCLGradient.SetStyle(GRADIENT_AXIAL);
314                     break;
315                 }
316                 case attribute::GRADIENTSTYLE_RADIAL :
317                 {
318                     o_rVCLGradient.SetStyle(GRADIENT_RADIAL);
319                     break;
320                 }
321                 case attribute::GRADIENTSTYLE_ELLIPTICAL :
322                 {
323                     o_rVCLGradient.SetStyle(GRADIENT_ELLIPTICAL);
324                     break;
325                 }
326                 case attribute::GRADIENTSTYLE_SQUARE :
327                 {
328                     o_rVCLGradient.SetStyle(GRADIENT_SQUARE);
329                     break;
330                 }
331                 case attribute::GRADIENTSTYLE_RECT :
332                 {
333                     o_rVCLGradient.SetStyle(GRADIENT_RECT);
334                     break;
335                 }
336             }
337         }
338 
339 		void VclMetafileProcessor2D::impStartSvtGraphicFill(SvtGraphicFill* pSvtGraphicFill)
340 		{
341 			if(pSvtGraphicFill && !mnSvtGraphicFillCount)
342 			{
343 				SvMemoryStream aMemStm;
344 
345 				aMemStm << *pSvtGraphicFill;
346 				mpMetaFile->AddAction(new MetaCommentAction("XPATHFILL_SEQ_BEGIN", 0, static_cast< const sal_uInt8* >(aMemStm.GetData()), aMemStm.Seek(STREAM_SEEK_TO_END)));
347 				mnSvtGraphicFillCount++;
348 			}
349 		}
350 
351 		void VclMetafileProcessor2D::impEndSvtGraphicFill(SvtGraphicFill* pSvtGraphicFill)
352 		{
353 			if(pSvtGraphicFill && mnSvtGraphicFillCount)
354 			{
355 				mnSvtGraphicFillCount--;
356 				mpMetaFile->AddAction(new MetaCommentAction("XPATHFILL_SEQ_END"));
357 				delete pSvtGraphicFill;
358 			}
359 		}
360 
361 		SvtGraphicStroke* VclMetafileProcessor2D::impTryToCreateSvtGraphicStroke(
362 			const basegfx::B2DPolygon& rB2DPolygon,
363 			const basegfx::BColor* pColor,
364 			const attribute::LineAttribute* pLineAttribute,
365 			const attribute::StrokeAttribute* pStrokeAttribute,
366 			const attribute::LineStartEndAttribute* pStart,
367 			const attribute::LineStartEndAttribute* pEnd)
368 		{
369 			SvtGraphicStroke* pRetval = 0;
370 
371 			if(rB2DPolygon.count() && !mnSvtGraphicStrokeCount)
372 			{
373     			basegfx::B2DPolygon aLocalPolygon(rB2DPolygon);
374 				basegfx::BColor aStrokeColor;
375 				basegfx::B2DPolyPolygon aStartArrow;
376 				basegfx::B2DPolyPolygon aEndArrow;
377 
378 				if(pColor)
379 				{
380 					aStrokeColor = *pColor;
381 				}
382 				else if(pLineAttribute)
383 				{
384 					aStrokeColor = maBColorModifierStack.getModifiedColor(pLineAttribute->getColor());
385 				}
386 
387 				// It IS needed to record the stroke color at all in the metafile,
388 				// SvtGraphicStroke has NO entry for stroke color(!)
389 				mpOutputDevice->SetLineColor(Color(aStrokeColor));
390 
391 				if(!aLocalPolygon.isClosed())
392 				{
393 					double fPolyLength(0.0);
394 				    double fStart(0.0);
395 				    double fEnd(0.0);
396 
397 					if(pStart && pStart->isActive())
398 					{
399 						fPolyLength = basegfx::tools::getLength(aLocalPolygon);
400 
401 						aStartArrow = basegfx::tools::createAreaGeometryForLineStartEnd(
402 							aLocalPolygon, pStart->getB2DPolyPolygon(), true, pStart->getWidth(),
403 							fPolyLength, pStart->isCentered() ? 0.5 : 0.0, &fStart);
404 					}
405 
406 					if(pEnd && pEnd->isActive())
407 					{
408 						if(basegfx::fTools::equalZero(fPolyLength))
409 						{
410 							fPolyLength = basegfx::tools::getLength(aLocalPolygon);
411 						}
412 
413 						aEndArrow = basegfx::tools::createAreaGeometryForLineStartEnd(
414 							aLocalPolygon, pEnd->getB2DPolyPolygon(), false, pEnd->getWidth(),
415 							fPolyLength, pEnd->isCentered() ? 0.5 : 0.0, &fEnd);
416 					}
417 
418                     if(0.0 != fStart || 0.0 != fEnd)
419 				    {
420 					    // build new poly, consume something from old poly
421 					    aLocalPolygon = basegfx::tools::getSnippetAbsolute(aLocalPolygon, fStart, fPolyLength - fEnd, fPolyLength);
422 				    }
423 				}
424 
425                 SvtGraphicStroke::JoinType eJoin(SvtGraphicStroke::joinNone);
426                 SvtGraphicStroke::CapType eCap(SvtGraphicStroke::capButt);
427 				double fLineWidth(0.0);
428 				double fMiterLength(0.0);
429 				SvtGraphicStroke::DashArray aDashArray;
430 
431 				if(pLineAttribute)
432 				{
433 					// pre-fill fLineWidth #119198# Need to apply maCurrentTransformation, too (!)
434 					const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(pLineAttribute->getWidth(), 0.0));
435 					fLineWidth = aDiscreteUnit.getLength();
436 
437 					// pre-fill fMiterLength
438 					fMiterLength = fLineWidth;
439 
440 					// get Join
441 					switch(pLineAttribute->getLineJoin())
442 					{
443 						default : // basegfx::B2DLINEJOIN_NONE :
444 						{
445 							eJoin = SvtGraphicStroke::joinNone;
446 							break;
447 						}
448 						case basegfx::B2DLINEJOIN_BEVEL :
449 						{
450 							eJoin = SvtGraphicStroke::joinBevel;
451 							break;
452 						}
453 						case basegfx::B2DLINEJOIN_MIDDLE :
454 						case basegfx::B2DLINEJOIN_MITER :
455 						{
456 							eJoin = SvtGraphicStroke::joinMiter;
457 							// ATM 15 degrees is assumed
458 							fMiterLength /= rtl::math::sin(M_PI * (15.0 / 360.0));
459 							break;
460 						}
461 						case basegfx::B2DLINEJOIN_ROUND :
462 						{
463 							eJoin = SvtGraphicStroke::joinRound;
464 							break;
465 						}
466 					}
467 
468                     // get stroke
469                     switch(pLineAttribute->getLineCap())
470                     {
471                         default: /* com::sun::star::drawing::LineCap_BUTT */
472                         {
473                             eCap = SvtGraphicStroke::capButt;
474                             break;
475                         }
476                         case com::sun::star::drawing::LineCap_ROUND:
477                         {
478                             eCap = SvtGraphicStroke::capRound;
479                             break;
480                         }
481                         case com::sun::star::drawing::LineCap_SQUARE:
482                         {
483                             eCap = SvtGraphicStroke::capSquare;
484                             break;
485                         }
486                     }
487                 }
488 
489 				if(pStrokeAttribute)
490 				{
491 					// copy dash array
492 					aDashArray = pStrokeAttribute->getDotDashArray();
493 				}
494 
495 				// #i101734# apply current object transformation to created geometry.
496 				// This is a partial fix. When a object transformation is used which
497 				// e.g. contains a scaleX != scaleY, an unproportional scaling would
498 				// have to be applied to the evtl. existing fat line. The current
499 				// concept of PDF export and SvtGraphicStroke usage does simply not
500 				// allow handling such definitions. The only clean way would be to
501 				// add the transformation to SvtGraphicStroke and to handle it there
502 				aLocalPolygon.transform(maCurrentTransformation);
503 				aStartArrow.transform(maCurrentTransformation);
504 				aEndArrow.transform(maCurrentTransformation);
505 
506 				pRetval = new SvtGraphicStroke(
507 					Polygon(aLocalPolygon),
508 					PolyPolygon(aStartArrow),
509 					PolyPolygon(aEndArrow),
510 					mfCurrentUnifiedTransparence,
511 					fLineWidth,
512 					eCap,
513 					eJoin,
514 					fMiterLength,
515 					aDashArray);
516 			}
517 
518 			return pRetval;
519 		}
520 
521 		void VclMetafileProcessor2D::impStartSvtGraphicStroke(SvtGraphicStroke* pSvtGraphicStroke)
522 		{
523 			if(pSvtGraphicStroke && !mnSvtGraphicStrokeCount)
524 			{
525 				SvMemoryStream aMemStm;
526 
527 				aMemStm << *pSvtGraphicStroke;
528 				mpMetaFile->AddAction(new MetaCommentAction("XPATHSTROKE_SEQ_BEGIN", 0, static_cast< const sal_uInt8* >(aMemStm.GetData()), aMemStm.Seek(STREAM_SEEK_TO_END)));
529 				mnSvtGraphicStrokeCount++;
530 			}
531 		}
532 
533 		void VclMetafileProcessor2D::impEndSvtGraphicStroke(SvtGraphicStroke* pSvtGraphicStroke)
534 		{
535 			if(pSvtGraphicStroke && mnSvtGraphicStrokeCount)
536 			{
537 				mnSvtGraphicStrokeCount--;
538 				mpMetaFile->AddAction(new MetaCommentAction("XPATHSTROKE_SEQ_END"));
539 				delete pSvtGraphicStroke;
540 			}
541 		}
542 
543         // init static break iterator
544         uno::Reference< ::com::sun::star::i18n::XBreakIterator > VclMetafileProcessor2D::mxBreakIterator;
545 
546 		VclMetafileProcessor2D::VclMetafileProcessor2D(const geometry::ViewInformation2D& rViewInformation, OutputDevice& rOutDev)
547 		:	VclProcessor2D(rViewInformation, rOutDev),
548 			mpMetaFile(rOutDev.GetConnectMetaFile()),
549 			mnSvtGraphicFillCount(0),
550 			mnSvtGraphicStrokeCount(0),
551 			mfCurrentUnifiedTransparence(0.0),
552 			mpPDFExtOutDevData(dynamic_cast< vcl::PDFExtOutDevData* >(rOutDev.GetExtOutDevData()))
553 		{
554 			OSL_ENSURE(rOutDev.GetConnectMetaFile(), "VclMetafileProcessor2D: Used on OutDev which has no MetaFile Target (!)");
555 			// draw to logic coordinates, do not initialize maCurrentTransformation to viewTransformation
556             // but only to ObjectTransformation. Do not change MapMode of destination.
557 			maCurrentTransformation = rViewInformation.getObjectTransformation();
558 		}
559 
560 		VclMetafileProcessor2D::~VclMetafileProcessor2D()
561 		{
562 			// MapMode was not changed, no restore necessary
563 		}
564 
565         /***********************************************************************************************
566 
567             Support of MetaCommentActions in the VclMetafileProcessor2D
568             Found MetaCommentActions and how they are supported:
569 
570             XGRAD_SEQ_BEGIN, XGRAD_SEQ_END:
571 
572 			Used inside OutputDevice::DrawGradient to mark the start and end of a MetaGradientEx action.
573             It is used in various exporters/importers to have direct access to the gradient before it
574             is rendered by VCL (and thus fragmented to polygon color actions and others). On that base, e.g.
575             the Metafile to SdrObject import creates it's gradient objects.
576             Best (and safest) way to support it here is to use PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D,
577             map it back to the corresponding tools PolyPolygon and the Gradient and just call
578             OutputDevice::DrawGradient which creates the necessary compatible actions.
579 
580             XPATHFILL_SEQ_BEGIN, XPATHFILL_SEQ_END:
581 
582 			Two producers, one is vcl/source/gdi/gdimtf.cxx, line 1273. There, it is transformed
583             inside GDIMetaFile::Rotate, nothing to take care of here.
584             The second producer is in graphics/svx/source/svdraw/impgrfll.cxx, line 374. This is used
585             with each incarnation of Imp_GraphicFill when a metafile is recorded, fillstyle is not
586             XFILL_NONE and not completely transparent. It creates a SvtGraphicFill and streams it
587             to the comment action. A closing end token is created in the destructor.
588 			Usages of Imp_GraphicFill are in Do_Paint_Object-methods of SdrCircObj, SdrPathObj and
589 			SdrRectObj.
590             The token users pick various actions from SvtGraphicFill, so it may need to be added for all kind
591             of filled objects, even simple colored polygons. It is added as extra information; the
592             Metafile actions between the two tokens are interpreted as output generated from those
593             fills. Thus, users have the choice to use the SvtGraphicFill info or the created output
594             actions.
595             Even for XFillTransparenceItem it is used, thus it may need to be supported in
596             UnifiedTransparencePrimitive2D, too, when interpreted as normally filled PolyPolygon.
597 			Implemented for:
598 				PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D,
599 				PRIMITIVE2D_ID_POLYPOLYGONHATCHPRIMITIVE2D,
600 				PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D,
601 				PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D,
602 				and for PRIMITIVE2D_ID_UNIFIEDTRANSPARENCEPRIMITIVE2D when detected unified transparence
603 
604             XPATHSTROKE_SEQ_BEGIN, XPATHSTROKE_SEQ_END:
605 
606 			Similar to pathfill, but using SvtGraphicStroke instead. It also has two producers where one
607 			is also the GDIMetaFile::Rotate. Another user is MetaCommentAction::Move which modifies the
608 			contained path accordingly.
609 			The other one is SdrObject::Imp_DrawLineGeometry. It's done when MetaFile is set at OutDev and
610 			only when geometry is a single polygon (!). I see no reason for that; in the PS exporter this
611 			would hinder to make use of PolyPolygon strokes. I will need to add support at:
612 				PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D
613 				PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D
614 				PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D
615 			This can be done hierarchical, too.
616 			Okay, base implementation done based on those three primitives.
617 
618             FIELD_SEQ_BEGIN, FIELD_SEQ_END
619 
620             Used from slideshow for URLs, created from diverse SvxField implementations inside
621             createBeginComment()/createEndComment(). createBeginComment() is used from editeng\impedit3.cxx
622             inside ImpEditEngine::Paint.
623             Created TextHierarchyFieldPrimitive2D and added needed infos there; it is an group primitive and wraps
624             text primitives (but is not limited to that). It contains the field type if special actions for the
625 			support of FIELD_SEQ_BEGIN/END are needed; this is the case for Page and URL fields. If more is
626 			needed, it may be supported there.
627             FIELD_SEQ_BEGIN;PageField
628             FIELD_SEQ_END
629             Okay, these are now completely supported by TextHierarchyFieldPrimitive2D. URL works, too.
630 
631             XTEXT
632 
633             XTEXT_EOC(i) end of character
634             XTEXT_EOW(i) end of word
635             XTEXT_EOS(i) end of sentence
636 
637             this three are with index and are created with the help of a i18n::XBreakIterator in
638             ImplDrawWithComments. Simplifying, moving out text painting, reworking to create some
639             data structure for holding those TEXT infos.
640             Supported directly by TextSimplePortionPrimitive2D with adding a Locale to the basic text
641             primitive. In the MetaFileRenderer, the creation is now done (see below). This has the advantage
642             that this creations do not need to be done for all paints all the time. This would be
643             expensive since the BreakIterator and it's usage is expensive and for each paint also the
644             whole character stops would need to be created.
645             Created only for TextDecoratedPortionPrimitive2D due to XTEXT_EOL and XTEXT_EOP (see below)
646 
647             XTEXT_EOL() end of line
648             XTEXT_EOP() end of paragraph
649 
650             First try with boolean marks at TextDecoratedPortionPrimitive2D did not work too well,
651 			i decided to solve it with structure. I added the TextHierarchyPrimitives for this,
652 			namely:
653 			- TextHierarchyLinePrimitive2D: Encapsulates single line
654 			- TextHierarchyParagraphPrimitive2D: Encapsulates single paragraph
655 			- TextHierarchyBlockPrimitive2D: encapsulates object texts (only one ATM)
656 			Those are now supported in hierarchy. This means the MetaFile renderer will support them
657 			by using them, reculrively using their content and adding MetaFile comments as needed.
658 			This also means that when another text layouter will be used it will be necessary to
659 			create/support the same HierarchyPrimitives to support users.
660 			To transport the information using this hierarchy is best suited to all future needs;
661 			the slideshow will be able to profit from it directly when using primitives; all other
662 			renderers not interested in the text structure will just ignore the encapsulations.
663 
664             XTEXT_PAINTSHAPE_BEGIN, XTEXT_PAINTSHAPE_END
665 			Supported now by the TextHierarchyBlockPrimitive2D.
666 
667             EPSReplacementGraphic:
668 			Only used in goodies\source\filter.vcl\ieps\ieps.cxx and svx\source\xml\xmlgrhlp.cxx to
669 			hold the original EPS which was imported in the same MetaFile as first 2 entries. Only
670 			used to export the original again (if exists).
671 			Not necessary to support with MetaFuleRenderer.
672 
673             XTEXT_SCROLLRECT, XTEXT_PAINTRECT
674 			Currently used to get extra MetaFile infos using GraphicExporter which again uses
675 			SdrTextObj::GetTextScrollMetaFileAndRectangle(). ATM works with primitives since
676 			the rectangle data is added directly by the GraphicsExporter as comment. Does not need
677 			to be adapted at once.
678 			When adapting later, the only user - the diashow - should directly use the provided
679 			Anination infos in the appropriate primitives (e.g. AnimatedSwitchPrimitive2D)
680 
681             PRNSPOOL_TRANSPARENTBITMAP_BEGIN, PRNSPOOL_TRANSPARENTBITMAP_END
682 			VCL usage when printing PL -> THB. Okay, THB confirms that it is only used as
683 			a fix (hack) while VCL printing. It is needed to not downscale a bitmap which
684 			was explicitely created for the printer already again to some default maximum
685 			bitmap sizes.
686 			Nothing to do here for the primitive renderer.
687 
688 			Support for vcl::PDFExtOutDevData:
689 			PL knows that SJ did that stuff, it's used to hold a pointer to PDFExtOutDevData at
690 			the OutDev. When set, some extra data is written there. Trying simple PDF export and
691 			watching if i get those infos.
692 			Well, a PDF export does not use e.g. ImpEditEngine::Paint since the PdfFilter uses
693 			the SdXImpressDocument::render and thus uses the VclMetafileProcessor2D. I will check
694 			if i get a PDFExtOutDevData at the target output device.
695 			Indeed, i get one. Checking what all may be done when that extra-device-info is there.
696 
697 		    All in all i have to talk to SJ. I will need to emulate some of those actions, but
698 			i need to discuss which ones.
699 			In the future, all those infos would be taken from the primitive sequence anyways,
700 			thus these extensions would potentially be temporary, too.
701             Discussed with SJ, added the necessary support and tested it. Details follow.
702 
703 			- In ImpEditEngine::Paint, paragraph infos and URL stuff is added.
704 			  Added in primitive MetaFile renderer.
705 			  Checking URL: Indeed, current version exports it, but it is missing in primitive
706 			  CWS version. Adding support.
707 			  Okay, URLs work. Checked, Done.
708 
709             - UnoControlPDFExportContact is only created when PDFExtOutDevData is used at the
710 			  target and uno control data is created in UnoControlPDFExportContact::do_PaintObject.
711 			  This may be added in primitive MetaFile renderer.
712 			  Adding support...
713 			  OOps, the necessary helper stuff is in svx/source/form/formpdxexport.cxx in namespace
714 			  svxform. Have to talk to FS if this has to be like that. Especially since
715 			  ::vcl::PDFWriter::AnyWidget is filled out, which is already part of vcl.
716 			  Wrote an eMail to FS, he is on vacation currently. I see no reason why not to move
717 			  that stuff to somewhere else, maybe tools or svtools ?!? We will see...
718               Moved to toolkit, so i have to link against it. I tried VCL first, but it did
719               not work since VCLUnoHelper::CreateFont is unresolved in VCL (!). Other then the name
720               may imply, it is defined in toolkit (!). Since toolkit is linked against VCL itself,
721               the lowest move,ment plave is toolkit.
722               Checked form control export, it works well. Done.
723 
724 		    - In goodies, in GraphicObject::Draw, when the used Graphic is linked, infos are
725 			  generated. I will need to check what happens here with primitives.
726 			  To support, use of GraphicPrimitive2D (PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D) may be needed.
727 			  Added support, but feature is broken in main version, so i cannot test at all.
728 			  Writing a bug to CL (or SJ) and seeing what happens (#i80380#).
729               SJ took a look and we got it working. Tested VCL MetaFile Renderer based export,
730               as intended, the original file is exported. Works, Done.
731 
732 
733 
734 
735             To be done:
736 
737             - Maybe there are more places to take care of for vcl::PDFExtOutDevData!
738 
739 
740 
741         ****************************************************************************************************/
742 
743 		void VclMetafileProcessor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
744 		{
745             switch(rCandidate.getPrimitive2DID())
746 			{
747                 case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
748                 {
749 					// directdraw of wrong spell primitive
750                     // Ignore for VclMetafileProcessor2D, this is for printing and MetaFile recording only
751                     break;
752                 }
753 				case PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D :
754 				{
755                     const primitive2d::GraphicPrimitive2D& rGraphicPrimitive = static_cast< const primitive2d::GraphicPrimitive2D& >(rCandidate);
756 					bool bUsingPDFExtOutDevData(false);
757 					basegfx::B2DVector aTranslate, aScale;
758 					static bool bSuppressPDFExtOutDevDataSupport(false);
759 
760 					if(mpPDFExtOutDevData && !bSuppressPDFExtOutDevDataSupport)
761 					{
762 						// emulate data handling from UnoControlPDFExportContact, original see
763 						// svtools/source/graphic/grfmgr.cxx
764 						const Graphic& rGraphic = rGraphicPrimitive.getGraphicObject().GetGraphic();
765 
766 						if(rGraphic.IsLink())
767 						{
768 							const GraphicAttr& rAttr = rGraphicPrimitive.getGraphicAttr();
769 
770 							if(!rAttr.IsSpecialDrawMode() && !rAttr.IsAdjusted())
771 							{
772 								const basegfx::B2DHomMatrix& rTransform = rGraphicPrimitive.getTransform();
773 								double fRotate, fShearX;
774 								rTransform.decompose(aScale, aTranslate, fRotate, fShearX);
775 
776 								if( basegfx::fTools::equalZero( fRotate ) && ( aScale.getX() > 0.0 ) && ( aScale.getY() > 0.0 ) )
777 								{
778 									bUsingPDFExtOutDevData = true;
779 									mpPDFExtOutDevData->BeginGroup();
780 								}
781 							}
782 						}
783 					}
784 
785 					// process recursively and add MetaFile comment
786 					process(rGraphicPrimitive.get2DDecomposition(getViewInformation2D()));
787 
788 					if(bUsingPDFExtOutDevData)
789 					{
790 						// emulate data handling from UnoControlPDFExportContact, original see
791 						// svtools/source/graphic/grfmgr.cxx
792 						const basegfx::B2DRange aCurrentRange(
793 							aTranslate.getX(), aTranslate.getY(),
794 							aTranslate.getX() + aScale.getX(), aTranslate.getY() + aScale.getY());
795 						const Rectangle aCurrentRect(
796 							sal_Int32(floor(aCurrentRange.getMinX())), sal_Int32(floor(aCurrentRange.getMinY())),
797 							sal_Int32(ceil(aCurrentRange.getMaxX())), sal_Int32(ceil(aCurrentRange.getMaxY())));
798 						const GraphicAttr& rAttr = rGraphicPrimitive.getGraphicAttr();
799 						Rectangle aCropRect;
800 
801 						if(rAttr.IsCropped())
802 						{
803 							// calculate scalings between real image size and logic object size. This
804 							// is necessary since the crop values are relative to original bitmap size
805 							double fFactorX(1.0);
806 							double fFactorY(1.0);
807 
808 							{
809 								const MapMode aMapMode100thmm(MAP_100TH_MM);
810 								const Size aBitmapSize(Application::GetDefaultDevice()->LogicToLogic(
811 									rGraphicPrimitive.getGraphicObject().GetPrefSize(),
812 									rGraphicPrimitive.getGraphicObject().GetPrefMapMode(), aMapMode100thmm));
813 								const double fDivX(aBitmapSize.Width() - rAttr.GetLeftCrop() - rAttr.GetRightCrop());
814 								const double fDivY(aBitmapSize.Height() - rAttr.GetTopCrop() - rAttr.GetBottomCrop());
815 
816 								if(!basegfx::fTools::equalZero(fDivX))
817 								{
818 									fFactorX = aScale.getX() / fDivX;
819 								}
820 
821 								if(!basegfx::fTools::equalZero(fDivY))
822 								{
823 									fFactorY = aScale.getY() / fDivY;
824 								}
825 							}
826 
827 							// calculate crop range and rect
828 							basegfx::B2DRange aCropRange;
829 							aCropRange.expand(aCurrentRange.getMinimum() - basegfx::B2DPoint(rAttr.GetLeftCrop() * fFactorX, rAttr.GetTopCrop() * fFactorY));
830 							aCropRange.expand(aCurrentRange.getMaximum() + basegfx::B2DPoint(rAttr.GetRightCrop() * fFactorX, rAttr.GetBottomCrop() * fFactorY));
831 
832 							aCropRect = Rectangle(
833 								sal_Int32(floor(aCropRange.getMinX())), sal_Int32(floor(aCropRange.getMinY())),
834 								sal_Int32(ceil(aCropRange.getMaxX())), sal_Int32(ceil(aCropRange.getMaxY())));
835 						}
836 
837                         // #123295# 3rd param is uncropped rect, 4th is cropped. The primitive has the cropped
838                         // object transformation, thus aCurrentRect *is* the clip region while aCropRect is the expanded,
839                         // uncropped region. Thus, correct order is aCropRect, aCurrentRect
840                         mpPDFExtOutDevData->EndGroup(rGraphicPrimitive.getGraphicObject().GetGraphic(),
841                             rAttr.GetTransparency(),
842                             aCropRect,
843                             aCurrentRect);
844                     }
845 
846 					break;
847 				}
848 				case PRIMITIVE2D_ID_CONTROLPRIMITIVE2D :
849 				{
850                     const primitive2d::ControlPrimitive2D& rControlPrimitive = static_cast< const primitive2d::ControlPrimitive2D& >(rCandidate);
851         			const uno::Reference< awt::XControl >& rXControl(rControlPrimitive.getXControl());
852 					bool bIsPrintableControl(false);
853 
854                     // find out if control is printable
855 					if(rXControl.is())
856 					{
857 						try
858 						{
859 							uno::Reference< beans::XPropertySet > xModelProperties(rXControl->getModel(), uno::UNO_QUERY);
860 							uno::Reference< beans::XPropertySetInfo > xPropertyInfo(xModelProperties.is()
861 								? xModelProperties->getPropertySetInfo()
862 								: uno::Reference< beans::XPropertySetInfo >());
863 							const ::rtl::OUString sPrintablePropertyName(RTL_CONSTASCII_USTRINGPARAM("Printable"));
864 
865 							if(xPropertyInfo.is() && xPropertyInfo->hasPropertyByName(sPrintablePropertyName))
866 							{
867 								OSL_VERIFY(xModelProperties->getPropertyValue(sPrintablePropertyName) >>= bIsPrintableControl);
868 							}
869 						}
870 						catch(const uno::Exception&)
871 						{
872 				            OSL_ENSURE(false, "VclMetafileProcessor2D: No access to printable flag of Control, caught an exception!");
873 						}
874 					}
875 
876                     // PDF export and printing only for printable controls
877                     if(bIsPrintableControl)
878                     {
879                         const bool bPDFExport(mpPDFExtOutDevData && mpPDFExtOutDevData->GetIsExportFormFields());
880                         bool bDoProcessRecursively(true);
881 
882                         if(bPDFExport)
883 					    {
884 						    // PDF export. Emulate data handling from UnoControlPDFExportContact
885                             // I have now moved describePDFControl to toolkit, thus i can implement the PDF
886                             // form control support now as follows
887                             ::std::auto_ptr< ::vcl::PDFWriter::AnyWidget > pPDFControl;
888                             ::toolkitform::describePDFControl( rXControl, pPDFControl, *mpPDFExtOutDevData );
889 
890                             if(pPDFControl.get())
891                             {
892                                 // still need to fill in the location (is a class Rectangle)
893 			                    const basegfx::B2DRange aRangeLogic(rControlPrimitive.getB2DRange(getViewInformation2D()));
894 	                            const Rectangle aRectLogic(
895 		                            (sal_Int32)floor(aRangeLogic.getMinX()), (sal_Int32)floor(aRangeLogic.getMinY()),
896 		                            (sal_Int32)ceil(aRangeLogic.getMaxX()), (sal_Int32)ceil(aRangeLogic.getMaxY()));
897                                 pPDFControl->Location = aRectLogic;
898 
899                                 Size aFontSize(pPDFControl->TextFont.GetSize());
900                                 aFontSize = mpOutputDevice->LogicToLogic(aFontSize, MapMode(MAP_POINT), mpOutputDevice->GetMapMode());
901                                 pPDFControl->TextFont.SetSize(aFontSize);
902 
903                                 mpPDFExtOutDevData->BeginStructureElement(vcl::PDFWriter::Form);
904                                 mpPDFExtOutDevData->CreateControl(*pPDFControl.get());
905                                 mpPDFExtOutDevData->EndStructureElement();
906 
907                                 // no normal paint needed (see original UnoControlPDFExportContact::do_PaintObject);
908                                 // do not process recursively
909                                 bDoProcessRecursively = false;
910                             }
911                             else
912                             {
913                                 // PDF export did not work, try simple output.
914                                 // Fallback to printer output by not setting bDoProcessRecursively
915                                 // to false.
916                             }
917 					    }
918 
919                         // #i93169# used flag the wrong way; true means that nothing was done yet
920                         if(bDoProcessRecursively)
921 					    {
922     					    // printer output
923 					        try
924 					        {
925                                 // remember old graphics and create new
926 					            uno::Reference< awt::XView > xControlView(rXControl, uno::UNO_QUERY_THROW);
927                                 const uno::Reference< awt::XGraphics > xOriginalGraphics(xControlView->getGraphics());
928 					            const uno::Reference< awt::XGraphics > xNewGraphics(mpOutputDevice->CreateUnoGraphics());
929 
930                                 if(xNewGraphics.is())
931                                 {
932 				                    // link graphics and view
933 				                    xControlView->setGraphics(xNewGraphics);
934 
935                                     // get position
936                                     const basegfx::B2DHomMatrix aObjectToDiscrete(getViewInformation2D().getObjectToViewTransformation() * rControlPrimitive.getTransform());
937                                     const basegfx::B2DPoint aTopLeftDiscrete(aObjectToDiscrete * basegfx::B2DPoint(0.0, 0.0));
938 
939                                     // draw it
940                                     xControlView->draw(basegfx::fround(aTopLeftDiscrete.getX()), basegfx::fround(aTopLeftDiscrete.getY()));
941                                     bDoProcessRecursively = false;
942 
943                                     // restore original graphics
944 				                    xControlView->setGraphics(xOriginalGraphics);
945                                 }
946 					        }
947 					        catch( const uno::Exception& )
948 					        {
949 			                    OSL_ENSURE(false, "VclMetafileProcessor2D: Printing of Control failed, caught an exception!");
950 					        }
951 					    }
952 
953 					    // process recursively if not done yet to export as decomposition (bitmap)
954                         if(bDoProcessRecursively)
955                         {
956     					    process(rControlPrimitive.get2DDecomposition(getViewInformation2D()));
957                         }
958                     }
959 
960 					break;
961 				}
962                 case PRIMITIVE2D_ID_TEXTHIERARCHYFIELDPRIMITIVE2D :
963                 {
964                     // support for FIELD_SEQ_BEGIN, FIELD_SEQ_END and URL. It wraps text primitives (but is not limited to)
965                     // thus do the MetafileAction embedding stuff but just handle recursively.
966 					const primitive2d::TextHierarchyFieldPrimitive2D& rFieldPrimitive = static_cast< const primitive2d::TextHierarchyFieldPrimitive2D& >(rCandidate);
967                     static const ByteString aCommentStringCommon("FIELD_SEQ_BEGIN");
968 					static const ByteString aCommentStringPage("FIELD_SEQ_BEGIN;PageField");
969 					static const ByteString aCommentStringEnd("FIELD_SEQ_END");
970 
971 					switch(rFieldPrimitive.getType())
972 					{
973 						default : // case drawinglayer::primitive2d::FIELD_TYPE_COMMON :
974 						{
975 		                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringCommon));
976 							break;
977 						}
978 						case drawinglayer::primitive2d::FIELD_TYPE_PAGE :
979 						{
980 		                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringPage));
981 							break;
982 						}
983 						case drawinglayer::primitive2d::FIELD_TYPE_URL :
984 						{
985 							const rtl::OUString& rURL = rFieldPrimitive.getString();
986                             const String aOldString(rURL);
987 		                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringCommon, 0, reinterpret_cast< const sal_uInt8* >(aOldString.GetBuffer()), 2 * aOldString.Len()));
988 							break;
989 						}
990 					}
991 
992 					// process recursively
993 					const primitive2d::Primitive2DSequence rContent = rFieldPrimitive.get2DDecomposition(getViewInformation2D());
994 					process(rContent);
995 
996 					// for the end comment the type is not relevant yet, they are all the same. Just add.
997                     mpMetaFile->AddAction(new MetaCommentAction(aCommentStringEnd));
998 
999 					if(mpPDFExtOutDevData && drawinglayer::primitive2d::FIELD_TYPE_URL == rFieldPrimitive.getType())
1000 					{
1001 						// emulate data handling from ImpEditEngine::Paint
1002 			            const basegfx::B2DRange aViewRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rContent, getViewInformation2D()));
1003 	                    const Rectangle aRectLogic(
1004 		                    (sal_Int32)floor(aViewRange.getMinX()), (sal_Int32)floor(aViewRange.getMinY()),
1005 		                    (sal_Int32)ceil(aViewRange.getMaxX()), (sal_Int32)ceil(aViewRange.getMaxY()));
1006 						vcl::PDFExtOutDevBookmarkEntry aBookmark;
1007 						aBookmark.nLinkId = mpPDFExtOutDevData->CreateLink(aRectLogic);
1008 						aBookmark.aBookmark = rFieldPrimitive.getString();
1009 						std::vector< vcl::PDFExtOutDevBookmarkEntry >& rBookmarks = mpPDFExtOutDevData->GetBookmarks();
1010 						rBookmarks.push_back( aBookmark );
1011 					}
1012 
1013                     break;
1014                 }
1015                 case PRIMITIVE2D_ID_TEXTHIERARCHYLINEPRIMITIVE2D :
1016                 {
1017                     const primitive2d::TextHierarchyLinePrimitive2D& rLinePrimitive = static_cast< const primitive2d::TextHierarchyLinePrimitive2D& >(rCandidate);
1018                     static const ByteString aCommentString("XTEXT_EOL");
1019 
1020                     // process recursively and add MetaFile comment
1021 					process(rLinePrimitive.get2DDecomposition(getViewInformation2D()));
1022                     mpMetaFile->AddAction(new MetaCommentAction(aCommentString));
1023 
1024                     break;
1025                 }
1026                 case PRIMITIVE2D_ID_TEXTHIERARCHYBULLETPRIMITIVE2D :
1027                 {
1028                     // in Outliner::PaintBullet(), a MetafileComment for bullets is added, too. The
1029                     // "XTEXT_EOC" is used, use here, too.
1030 					const primitive2d::TextHierarchyBulletPrimitive2D& rBulletPrimitive = static_cast< const primitive2d::TextHierarchyBulletPrimitive2D& >(rCandidate);
1031                     static const ByteString aCommentString("XTEXT_EOC");
1032 
1033                     // process recursively and add MetaFile comment
1034 					process(rBulletPrimitive.get2DDecomposition(getViewInformation2D()));
1035                     mpMetaFile->AddAction(new MetaCommentAction(aCommentString));
1036 
1037                     break;
1038                 }
1039                 case PRIMITIVE2D_ID_TEXTHIERARCHYPARAGRAPHPRIMITIVE2D :
1040                 {
1041                     const primitive2d::TextHierarchyParagraphPrimitive2D& rParagraphPrimitive = static_cast< const primitive2d::TextHierarchyParagraphPrimitive2D& >(rCandidate);
1042                     static const ByteString aCommentString("XTEXT_EOP");
1043 
1044 					if(mpPDFExtOutDevData)
1045 					{
1046 						// emulate data handling from ImpEditEngine::Paint
1047 						mpPDFExtOutDevData->BeginStructureElement( vcl::PDFWriter::Paragraph );
1048 					}
1049 
1050                     // process recursively and add MetaFile comment
1051 					process(rParagraphPrimitive.get2DDecomposition(getViewInformation2D()));
1052                     mpMetaFile->AddAction(new MetaCommentAction(aCommentString));
1053 
1054 					if(mpPDFExtOutDevData)
1055 					{
1056 						// emulate data handling from ImpEditEngine::Paint
1057 						mpPDFExtOutDevData->EndStructureElement();
1058 					}
1059 
1060 					break;
1061                 }
1062                 case PRIMITIVE2D_ID_TEXTHIERARCHYBLOCKPRIMITIVE2D :
1063                 {
1064                     const primitive2d::TextHierarchyBlockPrimitive2D& rBlockPrimitive = static_cast< const primitive2d::TextHierarchyBlockPrimitive2D& >(rCandidate);
1065                     static const ByteString aCommentStringA("XTEXT_PAINTSHAPE_BEGIN");
1066                     static const ByteString aCommentStringB("XTEXT_PAINTSHAPE_END");
1067 
1068                     // add MetaFile comment, process recursively and add MetaFile comment
1069                     mpMetaFile->AddAction(new MetaCommentAction(aCommentStringA));
1070 					process(rBlockPrimitive.get2DDecomposition(getViewInformation2D()));
1071                     mpMetaFile->AddAction(new MetaCommentAction(aCommentStringB));
1072 
1073                     break;
1074                 }
1075 				case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
1076 				case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
1077 				{
1078                     // for supporting TEXT_ MetaFile actions there is more to do here; get the candidate
1079 					const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate = static_cast< const primitive2d::TextSimplePortionPrimitive2D& >(rCandidate);
1080 					// const primitive2d::TextDecoratedPortionPrimitive2D* pTextDecoratedCandidate = dynamic_cast< const primitive2d::TextDecoratedPortionPrimitive2D* >(&rCandidate);
1081 
1082 					// Adapt evtl. used special DrawMode
1083 					const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1084 					adaptTextToFillDrawMode();
1085 
1086 					// directdraw of text simple portion; use default processing
1087 					RenderTextSimpleOrDecoratedPortionPrimitive2D(rTextCandidate);
1088 
1089 					// restore DrawMode
1090 					mpOutputDevice->SetDrawMode(nOriginalDrawMode);
1091 
1092 					// #i101169# if(pTextDecoratedCandidate)
1093                     {
1094                         // support for TEXT_ MetaFile actions only for decorated texts
1095                         if(!mxBreakIterator.is())
1096                         {
1097                             uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xMSF(::comphelper::getProcessServiceFactory());
1098                             mxBreakIterator.set(xMSF->createInstance(rtl::OUString::createFromAscii("com.sun.star.i18n.BreakIterator")), uno::UNO_QUERY);
1099                         }
1100 
1101                         if(mxBreakIterator.is())
1102                         {
1103                             const rtl::OUString& rTxt = rTextCandidate.getText();
1104                             const sal_Int32 nTextLength(rTextCandidate.getTextLength()); // rTxt.getLength());
1105 
1106                             if(nTextLength)
1107                             {
1108                                 const ::com::sun::star::lang::Locale& rLocale = rTextCandidate.getLocale();
1109                                 const sal_Int32 nTextPosition(rTextCandidate.getTextPosition());
1110 
1111                                 sal_Int32 nDone;
1112                                 sal_Int32 nNextCellBreak(mxBreakIterator->nextCharacters(rTxt, nTextPosition, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, 0, nDone));
1113                                 ::com::sun::star::i18n::Boundary nNextWordBoundary(mxBreakIterator->getWordBoundary(rTxt, nTextPosition, rLocale, ::com::sun::star::i18n::WordType::ANY_WORD, sal_True));
1114                                 sal_Int32 nNextSentenceBreak(mxBreakIterator->endOfSentence(rTxt, nTextPosition, rLocale));
1115                                 static const ByteString aCommentStringA("XTEXT_EOC");
1116                                 static const ByteString aCommentStringB("XTEXT_EOW");
1117                                 static const ByteString aCommentStringC("XTEXT_EOS");
1118 
1119                                 for(sal_Int32 i(nTextPosition); i < nTextPosition + nTextLength; i++)
1120                                 {
1121                                     // create the entries for the respective break positions
1122                                     if(i == nNextCellBreak)
1123                                     {
1124                                         mpMetaFile->AddAction(new MetaCommentAction(aCommentStringA, i - nTextPosition));
1125                                         nNextCellBreak = mxBreakIterator->nextCharacters(rTxt, i, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
1126                                     }
1127                                     if(i == nNextWordBoundary.endPos)
1128                                     {
1129                                         mpMetaFile->AddAction(new MetaCommentAction(aCommentStringB, i - nTextPosition));
1130                                         nNextWordBoundary = mxBreakIterator->getWordBoundary(rTxt, i + 1, rLocale, ::com::sun::star::i18n::WordType::ANY_WORD, sal_True);
1131                                     }
1132                                     if(i == nNextSentenceBreak)
1133                                     {
1134                                         mpMetaFile->AddAction(new MetaCommentAction(aCommentStringC, i - nTextPosition));
1135                                         nNextSentenceBreak = mxBreakIterator->endOfSentence(rTxt, i + 1, rLocale);
1136                                     }
1137                                 }
1138                             }
1139                         }
1140                     }
1141 
1142                     break;
1143 				}
1144 				case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
1145 				{
1146 					const primitive2d::PolygonHairlinePrimitive2D& rHairlinePrimitive = static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate);
1147         			const basegfx::B2DPolygon& rBasePolygon = rHairlinePrimitive.getB2DPolygon();
1148 
1149                     if(rBasePolygon.count() > (MAX_POLYGON_POINT_COUNT_METAFILE - 1))
1150                     {
1151                         // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1152                         // per polygon. If there are more, split the polygon in half and call recursively
1153                         basegfx::B2DPolygon aLeft, aRight;
1154                         splitLinePolygon(rBasePolygon, aLeft, aRight);
1155                         const primitive2d::PolygonHairlinePrimitive2D aPLeft(aLeft, rHairlinePrimitive.getBColor());
1156                         const primitive2d::PolygonHairlinePrimitive2D aPRight(aRight, rHairlinePrimitive.getBColor());
1157 
1158                         processBasePrimitive2D(aPLeft);
1159                         processBasePrimitive2D(aPRight);
1160                     }
1161                     else
1162                     {
1163     					// direct draw of hairline; use default processing
1164     					// support SvtGraphicStroke MetaCommentAction
1165 					    const basegfx::BColor aLineColor(maBColorModifierStack.getModifiedColor(rHairlinePrimitive.getBColor()));
1166                         SvtGraphicStroke* pSvtGraphicStroke = 0;
1167 
1168                         // #121267# Not needed, does not give better quality compared with
1169                         // the META_POLYPOLYGON_ACTION written by RenderPolygonHairlinePrimitive2D
1170                         // below
1171                         bool bSupportSvtGraphicStroke(false);
1172 
1173                         if(bSupportSvtGraphicStroke)
1174                         {
1175                             pSvtGraphicStroke = impTryToCreateSvtGraphicStroke(
1176                                 rHairlinePrimitive.getB2DPolygon(),
1177                                 &aLineColor,
1178                                 0, 0, 0, 0);
1179 
1180     					    impStartSvtGraphicStroke(pSvtGraphicStroke);
1181                         }
1182 
1183 					    RenderPolygonHairlinePrimitive2D(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate), false);
1184 
1185                         if(bSupportSvtGraphicStroke)
1186                         {
1187                             impEndSvtGraphicStroke(pSvtGraphicStroke);
1188                         }
1189                     }
1190 					break;
1191 				}
1192 				case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D :
1193 				{
1194 					const primitive2d::PolygonStrokePrimitive2D& rStrokePrimitive = static_cast< const primitive2d::PolygonStrokePrimitive2D& >(rCandidate);
1195         			const basegfx::B2DPolygon& rBasePolygon = rStrokePrimitive.getB2DPolygon();
1196 
1197                     if(rBasePolygon.count() > (MAX_POLYGON_POINT_COUNT_METAFILE - 1))
1198                     {
1199                         // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1200                         // per polygon. If there are more, split the polygon in half and call recursively
1201                         basegfx::B2DPolygon aLeft, aRight;
1202                         splitLinePolygon(rBasePolygon, aLeft, aRight);
1203                         const primitive2d::PolygonStrokePrimitive2D aPLeft(
1204                             aLeft, rStrokePrimitive.getLineAttribute(), rStrokePrimitive.getStrokeAttribute());
1205                         const primitive2d::PolygonStrokePrimitive2D aPRight(
1206                             aRight, rStrokePrimitive.getLineAttribute(), rStrokePrimitive.getStrokeAttribute());
1207 
1208                         processBasePrimitive2D(aPLeft);
1209                         processBasePrimitive2D(aPRight);
1210                     }
1211                     else
1212                     {
1213     					// support SvtGraphicStroke MetaCommentAction
1214 					    SvtGraphicStroke* pSvtGraphicStroke = impTryToCreateSvtGraphicStroke(
1215                             rBasePolygon, 0,
1216                             &rStrokePrimitive.getLineAttribute(),
1217                             &rStrokePrimitive.getStrokeAttribute(),
1218                             0, 0);
1219 
1220 					    impStartSvtGraphicStroke(pSvtGraphicStroke);
1221 					    const attribute::LineAttribute& rLine = rStrokePrimitive.getLineAttribute();
1222 
1223 					    // create MetaPolyLineActions, but without LINE_DASH
1224 					    if(basegfx::fTools::more(rLine.getWidth(), 0.0))
1225 					    {
1226 						    const attribute::StrokeAttribute& rStroke = rStrokePrimitive.getStrokeAttribute();
1227 						    basegfx::B2DPolyPolygon aHairLinePolyPolygon;
1228 
1229 						    if(0.0 == rStroke.getFullDotDashLen())
1230 						    {
1231 							    aHairLinePolyPolygon.append(rBasePolygon);
1232 						    }
1233 						    else
1234 						    {
1235 							    basegfx::tools::applyLineDashing(
1236 								    rBasePolygon, rStroke.getDotDashArray(),
1237 								    &aHairLinePolyPolygon, 0, rStroke.getFullDotDashLen());
1238 						    }
1239 
1240 						    const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rLine.getColor()));
1241 						    mpOutputDevice->SetLineColor(Color(aHairlineColor));
1242 						    mpOutputDevice->SetFillColor();
1243 						    aHairLinePolyPolygon.transform(maCurrentTransformation);
1244 
1245 							// #i113922# LineWidth needs to be transformed, too
1246 							const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(rLine.getWidth(), 0.0));
1247 							const double fDiscreteLineWidth(aDiscreteUnit.getLength());
1248 
1249 							LineInfo aLineInfo(LINE_SOLID, basegfx::fround(fDiscreteLineWidth));
1250 						    aLineInfo.SetLineJoin(rLine.getLineJoin());
1251                             aLineInfo.SetLineCap(rLine.getLineCap());
1252 
1253 						    for(sal_uInt32 a(0); a < aHairLinePolyPolygon.count(); a++)
1254 						    {
1255 							    const basegfx::B2DPolygon aCandidate(aHairLinePolyPolygon.getB2DPolygon(a));
1256 
1257 							    if(aCandidate.count() > 1)
1258 							    {
1259 								    const Polygon aToolsPolygon(aCandidate);
1260 
1261                 				    mpMetaFile->AddAction(new MetaPolyLineAction(aToolsPolygon, aLineInfo));
1262 							    }
1263 						    }
1264 					    }
1265 					    else
1266 					    {
1267 						    process(rCandidate.get2DDecomposition(getViewInformation2D()));
1268 					    }
1269 
1270 					    impEndSvtGraphicStroke(pSvtGraphicStroke);
1271                     }
1272 
1273 					break;
1274 				}
1275 				case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D :
1276 				{
1277 					const primitive2d::PolygonStrokeArrowPrimitive2D& rStrokeArrowPrimitive = static_cast< const primitive2d::PolygonStrokeArrowPrimitive2D& >(rCandidate);
1278         			const basegfx::B2DPolygon& rBasePolygon = rStrokeArrowPrimitive.getB2DPolygon();
1279 
1280                     if(rBasePolygon.count() > (MAX_POLYGON_POINT_COUNT_METAFILE - 1))
1281                     {
1282                         // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1283                         // per polygon. If there are more, split the polygon in half and call recursively
1284                         basegfx::B2DPolygon aLeft, aRight;
1285                         splitLinePolygon(rBasePolygon, aLeft, aRight);
1286                         const attribute::LineStartEndAttribute aEmpty;
1287                         const primitive2d::PolygonStrokeArrowPrimitive2D aPLeft(
1288                             aLeft,
1289                             rStrokeArrowPrimitive.getLineAttribute(),
1290                             rStrokeArrowPrimitive.getStrokeAttribute(),
1291                             rStrokeArrowPrimitive.getStart(),
1292                             aEmpty);
1293                         const primitive2d::PolygonStrokeArrowPrimitive2D aPRight(
1294                             aRight,
1295                             rStrokeArrowPrimitive.getLineAttribute(),
1296                             rStrokeArrowPrimitive.getStrokeAttribute(),
1297                             aEmpty,
1298                             rStrokeArrowPrimitive.getEnd());
1299 
1300                         processBasePrimitive2D(aPLeft);
1301                         processBasePrimitive2D(aPRight);
1302                     }
1303                     else
1304                     {
1305     					// support SvtGraphicStroke MetaCommentAction
1306 	    				SvtGraphicStroke* pSvtGraphicStroke = impTryToCreateSvtGraphicStroke(
1307                             rBasePolygon, 0,
1308                             &rStrokeArrowPrimitive.getLineAttribute(),
1309                             &rStrokeArrowPrimitive.getStrokeAttribute(),
1310                             &rStrokeArrowPrimitive.getStart(),
1311                             &rStrokeArrowPrimitive.getEnd());
1312 
1313                         // write LineGeometry start marker
1314 			    		impStartSvtGraphicStroke(pSvtGraphicStroke);
1315 
1316                         // #116162# When B&W is set as DrawMode, DRAWMODE_WHITEFILL is used
1317                         // to let all fills be just white; for lines DRAWMODE_BLACKLINE is used
1318                         // so all line geometry is supposed to get black. Since in the in-between
1319                         // stages of line geometry drawing filled polygons are used (e.g. line
1320                         // start/ends) it is necessary to change these drawmodes to preserve
1321                         // that lines shall be black; thus change DRAWMODE_WHITEFILL to
1322                         // DRAWMODE_BLACKFILL during line geometry processing to have line geometry
1323                         // parts filled black.
1324                         const sal_uLong nOldDrawMode(mpOutputDevice->GetDrawMode());
1325                         const bool bDrawmodeChange(nOldDrawMode & DRAWMODE_WHITEFILL && mnSvtGraphicStrokeCount);
1326 
1327                         if(bDrawmodeChange)
1328                         {
1329                             mpOutputDevice->SetDrawMode((nOldDrawMode & ~DRAWMODE_WHITEFILL) | DRAWMODE_BLACKFILL);
1330                         }
1331 
1332                         // process sub-line geometry (evtl. filled PolyPolygons)
1333                         process(rCandidate.get2DDecomposition(getViewInformation2D()));
1334 
1335                         if(bDrawmodeChange)
1336                         {
1337                             mpOutputDevice->SetDrawMode(nOldDrawMode);
1338                         }
1339 
1340                         // write LineGeometry end marker
1341                         impEndSvtGraphicStroke(pSvtGraphicStroke);
1342                     }
1343 
1344                     break;
1345 				}
1346 				case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
1347 				{
1348                     // direct draw of transformed BitmapEx primitive; use default processing, but without
1349                     // former testing if graphic content is inside discrete local viewport; this is not
1350                     // setup for metafile targets (metafile renderer tries to render in logic coordinates,
1351                     // the mapping is kept to the OutputDevice for better Metafile recording)
1352 					RenderBitmapPrimitive2D(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
1353 					break;
1354 				}
1355 				case PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D :
1356 				{
1357 					// need to handle PolyPolygonGraphicPrimitive2D here to support XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END
1358 					const primitive2d::PolyPolygonGraphicPrimitive2D& rBitmapCandidate = static_cast< const primitive2d::PolyPolygonGraphicPrimitive2D& >(rCandidate);
1359 					basegfx::B2DPolyPolygon aLocalPolyPolygon(rBitmapCandidate.getB2DPolyPolygon());
1360 
1361                     if(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
1362                     {
1363                         // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1364                         // per polygon. If there are more use the splitted polygon and call recursively
1365                         const primitive2d::PolyPolygonGraphicPrimitive2D aSplitted(
1366                             aLocalPolyPolygon,
1367                             rBitmapCandidate.getFillGraphic());
1368 
1369                         processBasePrimitive2D(aSplitted);
1370                     }
1371                     else
1372                     {
1373                         SvtGraphicFill* pSvtGraphicFill = 0;
1374 
1375 					    if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
1376 					    {
1377                             // #121194# Changed implementation and checked usages fo convert to metafile,
1378                             // presentation start (uses SvtGraphicFill) and printing.
1379 
1380                             // calculate transformation. Get real object size, all values in FillGraphicAttribute
1381 						    // are relative to the unified object
1382 						    aLocalPolyPolygon.transform(maCurrentTransformation);
1383                             const basegfx::B2DVector aOutlineSize(aLocalPolyPolygon.getB2DRange().getRange());
1384 
1385 						    // the scaling needs scale from pixel to logic coordinate system
1386 						    const attribute::FillGraphicAttribute& rFillGraphicAttribute = rBitmapCandidate.getFillGraphic();
1387 						    const Size aBmpSizePixel(rFillGraphicAttribute.getGraphic().GetSizePixel());
1388 
1389 						    // setup transformation like in impgrfll. Multiply with aOutlineSize
1390                             // to get from unit coordinates in rFillGraphicAttribute.getGraphicRange()
1391                             // to object coordinates with object's top left being at (0,0). Divide
1392                             // by pixel size so that scale from pixel to logic will work in SvtGraphicFill.
1393                             const basegfx::B2DVector aTransformScale(
1394                                 rFillGraphicAttribute.getGraphicRange().getRange() /
1395                                 basegfx::B2DVector(
1396                                     std::max(1.0, double(aBmpSizePixel.Width())),
1397                                     std::max(1.0, double(aBmpSizePixel.Height()))) *
1398                                 aOutlineSize);
1399                             const basegfx::B2DPoint aTransformPosition(
1400                                 rFillGraphicAttribute.getGraphicRange().getMinimum() * aOutlineSize);
1401 
1402 						    // setup transformation like in impgrfll
1403 						    SvtGraphicFill::Transform aTransform;
1404 
1405 						    // scale values are divided by bitmap pixel sizes
1406 						    aTransform.matrix[0] = aTransformScale.getX();
1407 						    aTransform.matrix[4] = aTransformScale.getY();
1408 
1409                             // translates are absolute
1410                             aTransform.matrix[2] = aTransformPosition.getX();
1411 						    aTransform.matrix[5] = aTransformPosition.getY();
1412 
1413                             pSvtGraphicFill = new SvtGraphicFill(
1414 							    PolyPolygon(aLocalPolyPolygon),
1415 							    Color(),
1416 							    0.0,
1417 							    SvtGraphicFill::fillEvenOdd,
1418 							    SvtGraphicFill::fillTexture,
1419 							    aTransform,
1420 							    rFillGraphicAttribute.getTiling(),
1421 							    SvtGraphicFill::hatchSingle,
1422 							    Color(),
1423 							    SvtGraphicFill::gradientLinear,
1424 							    Color(),
1425 							    Color(),
1426 							    0,
1427 							    rFillGraphicAttribute.getGraphic());
1428 					    }
1429 
1430 					    // Do use decomposition; encapsulate with SvtGraphicFill
1431 					    impStartSvtGraphicFill(pSvtGraphicFill);
1432 					    process(rCandidate.get2DDecomposition(getViewInformation2D()));
1433 					    impEndSvtGraphicFill(pSvtGraphicFill);
1434                     }
1435 
1436 					break;
1437 				}
1438                 case PRIMITIVE2D_ID_POLYPOLYGONHATCHPRIMITIVE2D :
1439                 {
1440                     // need to handle PolyPolygonHatchPrimitive2D here to support XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END
1441                     const primitive2d::PolyPolygonHatchPrimitive2D& rHatchCandidate = static_cast< const primitive2d::PolyPolygonHatchPrimitive2D& >(rCandidate);
1442                     const attribute::FillHatchAttribute& rFillHatchAttribute = rHatchCandidate.getFillHatch();
1443                     basegfx::B2DPolyPolygon aLocalPolyPolygon(rHatchCandidate.getB2DPolyPolygon());
1444 
1445                     if(aLocalPolyPolygon.getB2DRange() != rHatchCandidate.getDefinitionRange())
1446                     {
1447                         // the range which defines the hatch is different from the range of the
1448                         // geometry (used for writer frames). This cannot be done calling vcl, thus use
1449                         // decomposition here
1450                         process(rCandidate.get2DDecomposition(getViewInformation2D()));
1451                         break;
1452                     }
1453 
1454                     // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1455                     // per polygon. Split polygon until there are less than that
1456                     while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
1457                         ;
1458 
1459                     if(rFillHatchAttribute.isFillBackground())
1460                     {
1461                         // with fixing #i111954# (see below) the possible background
1462                         // fill of a hatched object was lost.Generate a background fill
1463                         // primitive and render it
1464                         const primitive2d::Primitive2DReference xBackground(
1465                             new primitive2d::PolyPolygonColorPrimitive2D(
1466                                 aLocalPolyPolygon,
1467                                 rHatchCandidate.getBackgroundColor()));
1468 
1469                         process(primitive2d::Primitive2DSequence(&xBackground, 1));
1470                     }
1471 
1472                     SvtGraphicFill* pSvtGraphicFill = 0;
1473                     aLocalPolyPolygon.transform(maCurrentTransformation);
1474 
1475                     if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
1476                     {
1477                         // re-create a VCL hatch as base data
1478                         SvtGraphicFill::HatchType eHatch(SvtGraphicFill::hatchSingle);
1479 
1480                         switch(rFillHatchAttribute.getStyle())
1481                         {
1482                             default: // attribute::HATCHSTYLE_SINGLE :
1483                             {
1484                                 eHatch = SvtGraphicFill::hatchSingle;
1485                                 break;
1486                             }
1487                             case attribute::HATCHSTYLE_DOUBLE :
1488                             {
1489                                 eHatch = SvtGraphicFill::hatchDouble;
1490                                 break;
1491                             }
1492                             case attribute::HATCHSTYLE_TRIPLE :
1493                             {
1494                                 eHatch = SvtGraphicFill::hatchTriple;
1495                                 break;
1496                             }
1497                         }
1498 
1499                         SvtGraphicFill::Transform aTransform;
1500 
1501                         // scale
1502                         aTransform.matrix[0] *= rFillHatchAttribute.getDistance();
1503                         aTransform.matrix[4] *= rFillHatchAttribute.getDistance();
1504 
1505                         // rotate (was never correct in impgrfll anyways, use correct angle now)
1506                         aTransform.matrix[0] *= cos(rFillHatchAttribute.getAngle());
1507                         aTransform.matrix[1] *= -sin(rFillHatchAttribute.getAngle());
1508                         aTransform.matrix[3] *= sin(rFillHatchAttribute.getAngle());
1509                         aTransform.matrix[4] *= cos(rFillHatchAttribute.getAngle());
1510 
1511                         pSvtGraphicFill = new SvtGraphicFill(
1512                             PolyPolygon(aLocalPolyPolygon),
1513                             Color(),
1514                             0.0,
1515                             SvtGraphicFill::fillEvenOdd,
1516                             SvtGraphicFill::fillHatch,
1517                             aTransform,
1518                             false,
1519                             eHatch,
1520                             Color(rFillHatchAttribute.getColor()),
1521                             SvtGraphicFill::gradientLinear,
1522                             Color(),
1523                             Color(),
1524                             0,
1525                             Graphic());
1526                     }
1527 
1528                     // Do use decomposition; encapsulate with SvtGraphicFill
1529                     impStartSvtGraphicFill(pSvtGraphicFill);
1530 
1531                     // #i111954# do NOT use decomposition, but use direct VCL-command
1532                     // process(rCandidate.get2DDecomposition(getViewInformation2D()));
1533                     const PolyPolygon aToolsPolyPolygon(aLocalPolyPolygon);
1534                     const HatchStyle aHatchStyle(
1535                         attribute::HATCHSTYLE_SINGLE == rFillHatchAttribute.getStyle() ? HATCH_SINGLE :
1536                         attribute::HATCHSTYLE_DOUBLE == rFillHatchAttribute.getStyle() ? HATCH_DOUBLE :
1537                         HATCH_TRIPLE);
1538 
1539                     mpOutputDevice->DrawHatch(aToolsPolyPolygon,
1540                         Hatch(aHatchStyle,
1541                             Color(rFillHatchAttribute.getColor()),
1542                             basegfx::fround(rFillHatchAttribute.getDistance()),
1543                             basegfx::fround(rFillHatchAttribute.getAngle() / F_PI1800)));
1544 
1545                     impEndSvtGraphicFill(pSvtGraphicFill);
1546 
1547                     break;
1548                 }
1549                 case PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D :
1550                 {
1551                     basegfx::B2DVector aScale, aTranslate;
1552                     double fRotate, fShearX;
1553 
1554                     maCurrentTransformation.decompose(aScale, aTranslate, fRotate, fShearX);
1555 
1556                     if(!basegfx::fTools::equalZero(fRotate) || !basegfx::fTools::equalZero(fShearX))
1557                     {
1558                         // #121185# When rotation or shear is used, a VCL Gradient cannot be used directly.
1559                         // This is because VCL Gradient mechanism does *not* support to rotate the gradient
1560                         // with objects and this case is not expressable in a Metafile (and cannot be added
1561                         // since the FileFormats used, e.g. *.wmf, do not support it either).
1562                         // Such cases happen when a graphic object uses a Metafile as graphic information or
1563                         // a fill style definition uses a Metafile. In this cases the graphic content is
1564                         // rotated with the graphic or filled object; this is not supported by the target
1565                         // format of this conversion renderer - Metafiles.
1566                         // To solve this, not a Gradient is written, but the decomposition of this object
1567                         // is written to the Metafile. This is the PolyPolygons building the gradient fill.
1568                         // These will need more space and time, but the result will be as if the Gradient
1569                         // was rotated with the object.
1570                         // This mechanism is used by all exporters still not using Primtives (e.g. Print,
1571                         // Slideshow, Export rto PDF, export to Picture, ...) but relying on Metafile
1572                         // transfers. One more reason to *change* these to primitives.
1573                         // BTW: One more example how useful the principles of primitives are; the decomposition
1574                         // is by definition a simpler, maybe more expensive representation of the same content.
1575                         process(rCandidate.get2DDecomposition(getViewInformation2D()));
1576                         break;
1577                     }
1578 
1579                     const primitive2d::PolyPolygonGradientPrimitive2D& rGradientCandidate = static_cast< const primitive2d::PolyPolygonGradientPrimitive2D& >(rCandidate);
1580                     basegfx::B2DPolyPolygon aLocalPolyPolygon(rGradientCandidate.getB2DPolyPolygon());
1581 
1582                     if(aLocalPolyPolygon.getB2DRange() != rGradientCandidate.getDefinitionRange())
1583                     {
1584                         // the range which defines the gradient is different from the range of the
1585                         // geometry (used for writer frames). This cannot be done calling vcl, thus use
1586                         // decomposition here
1587                         process(rCandidate.get2DDecomposition(getViewInformation2D()));
1588                         break;
1589                     }
1590 
1591                     // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1592                     // per polygon. Split polygon until there are less than that
1593                     while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
1594                         ;
1595 
1596                     // for support of MetaCommentActions of the form XGRAD_SEQ_BEGIN, XGRAD_SEQ_END
1597                     // it is safest to use the VCL OutputDevice::DrawGradient method which creates those.
1598                     // re-create a VCL-gradient from FillGradientPrimitive2D and the needed tools PolyPolygon
1599                     Gradient aVCLGradient;
1600                     impConvertFillGradientAttributeToVCLGradient(aVCLGradient, rGradientCandidate.getFillGradient(), false);
1601                     aLocalPolyPolygon.transform(maCurrentTransformation);
1602 
1603                     // #i82145# ATM VCL printing of gradients using curved shapes does not work,
1604                     // i submitted the bug with the given ID to THB. When that task is fixed it is
1605                     // necessary to again remove this subdivision since it decreases possible
1606                     // printing quality (not even resolution-dependent for now). THB will tell
1607                     // me when that task is fixed in the master
1608                     const PolyPolygon aToolsPolyPolygon(basegfx::tools::adaptiveSubdivideByAngle(aLocalPolyPolygon));
1609 
1610                     // XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END support
1611                     SvtGraphicFill* pSvtGraphicFill = 0;
1612 
1613                     if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
1614                     {
1615                         // setup gradient stuff like in like in impgrfll
1616                         SvtGraphicFill::GradientType eGrad(SvtGraphicFill::gradientLinear);
1617 
1618                         switch(aVCLGradient.GetStyle())
1619                         {
1620                             default : // GRADIENT_LINEAR:
1621                             case GRADIENT_AXIAL:
1622                                 eGrad = SvtGraphicFill::gradientLinear;
1623                                 break;
1624                             case GRADIENT_RADIAL:
1625                             case GRADIENT_ELLIPTICAL:
1626                                 eGrad = SvtGraphicFill::gradientRadial;
1627                                 break;
1628                             case GRADIENT_SQUARE:
1629                             case GRADIENT_RECT:
1630                                 eGrad = SvtGraphicFill::gradientRectangular;
1631                                 break;
1632                         }
1633 
1634                         pSvtGraphicFill = new SvtGraphicFill(
1635                             aToolsPolyPolygon,
1636                             Color(),
1637                             0.0,
1638                             SvtGraphicFill::fillEvenOdd,
1639                             SvtGraphicFill::fillGradient,
1640                             SvtGraphicFill::Transform(),
1641                             false,
1642                             SvtGraphicFill::hatchSingle,
1643                             Color(),
1644                             eGrad,
1645                             aVCLGradient.GetStartColor(),
1646                             aVCLGradient.GetEndColor(),
1647                             aVCLGradient.GetSteps(),
1648                             Graphic());
1649                     }
1650 
1651                     // call VCL directly; encapsulate with SvtGraphicFill
1652                     impStartSvtGraphicFill(pSvtGraphicFill);
1653                     mpOutputDevice->DrawGradient(aToolsPolyPolygon, aVCLGradient);
1654                     impEndSvtGraphicFill(pSvtGraphicFill);
1655 
1656                     break;
1657                 }
1658 				case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
1659 				{
1660 					const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
1661 					basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
1662 
1663                     // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1664                     // per polygon. Split polygon until there are less than that
1665                     while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
1666                         ;
1667 
1668 				    const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rPolygonCandidate.getBColor()));
1669 				    aLocalPolyPolygon.transform(maCurrentTransformation);
1670 
1671 				    // XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END support
1672 				    SvtGraphicFill* pSvtGraphicFill = 0;
1673 
1674                     // #121267# Not needed, does not give better quality compared with
1675                     // the META_POLYPOLYGON_ACTION written by the DrawPolyPolygon command
1676                     // below
1677                     bool bSupportSvtGraphicFill(false);
1678 
1679 				    if(bSupportSvtGraphicFill && !mnSvtGraphicFillCount && aLocalPolyPolygon.count())
1680 				    {
1681 					    // setup simple color fill stuff like in impgrfll
1682 					    pSvtGraphicFill = new SvtGraphicFill(
1683 						    PolyPolygon(aLocalPolyPolygon),
1684 						    Color(aPolygonColor),
1685 						    0.0,
1686 						    SvtGraphicFill::fillEvenOdd,
1687 						    SvtGraphicFill::fillSolid,
1688 						    SvtGraphicFill::Transform(),
1689 						    false,
1690 						    SvtGraphicFill::hatchSingle,
1691 						    Color(),
1692 						    SvtGraphicFill::gradientLinear,
1693 						    Color(),
1694 						    Color(),
1695 						    0,
1696 						    Graphic());
1697 				    }
1698 
1699                     // set line and fill color
1700 				    mpOutputDevice->SetFillColor(Color(aPolygonColor));
1701 				    mpOutputDevice->SetLineColor();
1702 
1703 				    // call VCL directly; encapsulate with SvtGraphicFill
1704                     if(bSupportSvtGraphicFill)
1705                     {
1706                             impStartSvtGraphicFill(pSvtGraphicFill);
1707                     }
1708 
1709                     mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
1710 
1711                     if(bSupportSvtGraphicFill)
1712                     {
1713                         impEndSvtGraphicFill(pSvtGraphicFill);
1714                     }
1715 
1716 					break;
1717 				}
1718 				case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
1719 				{
1720                     // mask group. Special handling for MetaFiles.
1721 					const primitive2d::MaskPrimitive2D& rMaskCandidate = static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate);
1722 
1723                     if(rMaskCandidate.getChildren().hasElements())
1724 			        {
1725 				        basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
1726 
1727 				        if(aMask.count())
1728 				        {
1729 							// prepare new mask polygon and rescue current one
1730 					        aMask.transform(maCurrentTransformation);
1731                             const basegfx::B2DPolyPolygon aLastClipPolyPolygon(maClipPolyPolygon);
1732 
1733                             if(maClipPolyPolygon.count())
1734                             {
1735 								// there is already a clip polygon set; build clipped union of
1736 								// current mask polygon and new one
1737 								maClipPolyPolygon = basegfx::tools::clipPolyPolygonOnPolyPolygon(
1738                                     aMask,
1739                                     maClipPolyPolygon,
1740                                     true, // #i106516# we want the inside of aMask, not the outside
1741                                     false);
1742                             }
1743                             else
1744                             {
1745                                 // use mask directly
1746                                 maClipPolyPolygon = aMask;
1747                             }
1748 
1749                             if(maClipPolyPolygon.count())
1750                             {
1751                                 // set VCL clip region; subdivide before conversion to tools polygon. Subdivision necessary (!)
1752                                 // Removed subdivision and fixed in Region::ImplPolyPolyRegionToBandRegionFunc() in VCL where
1753                                 // the ClipRegion is built from the Polygon. A AdaptiveSubdivide on the source polygon was missing there
1754                                 mpOutputDevice->Push(PUSH_CLIPREGION);
1755                                 mpOutputDevice->SetClipRegion(Region(maClipPolyPolygon));
1756 
1757                                 // recursively paint content
1758                                 // #121267# Only need to process sub-content when clip polygon is *not* empty.
1759                                 // If it is empty, the clip is empty and there can be nothing inside.
1760                                 process(rMaskCandidate.getChildren());
1761 
1762                                 // restore VCL clip region
1763                                 mpOutputDevice->Pop();
1764                             }
1765 
1766                             // restore to rescued clip polygon
1767                             maClipPolyPolygon = aLastClipPolyPolygon;
1768 				        }
1769                         else
1770                         {
1771                             // no mask, no clipping. recursively paint content
1772 					        process(rMaskCandidate.getChildren());
1773                         }
1774 			        }
1775 
1776                     break;
1777 				}
1778 				case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
1779 				{
1780 					// modified color group. Force output to unified color. Use default pocessing.
1781 					RenderModifiedColorPrimitive2D(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
1782 					break;
1783 				}
1784                 case PRIMITIVE2D_ID_HIDDENGEOMETRYPRIMITIVE2D :
1785 				{
1786                     // HiddenGeometryPrimitive2D; to rebuilt the old MetaFile creation, it is necessary to
1787                     // not ignore them (as it was thought), but to add a MetaFile entry for them.
1788         		    basegfx::B2DRange aInvisibleRange(rCandidate.getB2DRange(getViewInformation2D()));
1789 
1790                     if(!aInvisibleRange.isEmpty())
1791                     {
1792 		                aInvisibleRange.transform(maCurrentTransformation);
1793                         const Rectangle aRectLogic(
1794 	                        (sal_Int32)floor(aInvisibleRange.getMinX()), (sal_Int32)floor(aInvisibleRange.getMinY()),
1795 	                        (sal_Int32)ceil(aInvisibleRange.getMaxX()), (sal_Int32)ceil(aInvisibleRange.getMaxY()));
1796 
1797                         mpOutputDevice->SetFillColor();
1798 		                mpOutputDevice->SetLineColor();
1799 		                mpOutputDevice->DrawRect(aRectLogic);
1800                     }
1801 
1802 					break;
1803 				}
1804 				case PRIMITIVE2D_ID_UNIFIEDTRANSPARENCEPRIMITIVE2D :
1805 				{
1806 					// for metafile: Need to examine what the pure vcl version is doing here actually
1807 					// - uses DrawTransparent with metafile for content and a gradient
1808 					// - uses DrawTransparent for single PolyPoylgons directly. Can be detected by
1809 					//   checking the content for single PolyPolygonColorPrimitive2D
1810 					const primitive2d::UnifiedTransparencePrimitive2D& rUniTransparenceCandidate = static_cast< const primitive2d::UnifiedTransparencePrimitive2D& >(rCandidate);
1811 					const primitive2d::Primitive2DSequence rContent = rUniTransparenceCandidate.getChildren();
1812 
1813 					if(rContent.hasElements())
1814 					{
1815                         if(0.0 == rUniTransparenceCandidate.getTransparence())
1816                         {
1817                             // not transparent at all, use content
1818 	                        process(rUniTransparenceCandidate.getChildren());
1819                         }
1820 			            else if(rUniTransparenceCandidate.getTransparence() > 0.0 && rUniTransparenceCandidate.getTransparence() < 1.0)
1821 			            {
1822 						    // try to identify a single PolyPolygonColorPrimitive2D in the
1823 						    // content part of the transparence primitive
1824 						    const primitive2d::PolyPolygonColorPrimitive2D* pPoPoColor = 0;
1825 						    static bool bForceToMetafile(false);
1826 
1827 						    if(!bForceToMetafile && 1 == rContent.getLength())
1828 						    {
1829 							    const primitive2d::Primitive2DReference xReference(rContent[0]);
1830 							    pPoPoColor = dynamic_cast< const primitive2d::PolyPolygonColorPrimitive2D* >(xReference.get());
1831 						    }
1832 
1833 						    // PolyPolygonGradientPrimitive2D, PolyPolygonHatchPrimitive2D and
1834 						    // PolyPolygonGraphicPrimitive2D are derived from PolyPolygonColorPrimitive2D.
1835 						    // Check also for correct ID to exclude derived implementations
1836 						    if(pPoPoColor && PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D == pPoPoColor->getPrimitive2DID())
1837 						    {
1838 							    // single transparent PolyPolygon identified, use directly
1839 							    const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(pPoPoColor->getBColor()));
1840 							    basegfx::B2DPolyPolygon aLocalPolyPolygon(pPoPoColor->getB2DPolyPolygon());
1841 
1842                                 // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
1843                                 // per polygon. Split polygon until there are less than that
1844                                 while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
1845                                     ;
1846 
1847                                 // now transform
1848                                 aLocalPolyPolygon.transform(maCurrentTransformation);
1849 
1850 							    // XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END support
1851 							    SvtGraphicFill* pSvtGraphicFill = 0;
1852 
1853                                 // #121267# Not needed, does not give better quality compared with
1854                                 // the META_POLYPOLYGON_ACTION written by the DrawPolyPolygon command
1855                                 // below
1856                                 bool bSupportSvtGraphicFill(false);
1857 
1858 							    if(bSupportSvtGraphicFill && !mnSvtGraphicFillCount && aLocalPolyPolygon.count())
1859 							    {
1860 								    // setup simple color with transparence fill stuff like in impgrfll
1861 								    pSvtGraphicFill = new SvtGraphicFill(
1862 									    PolyPolygon(aLocalPolyPolygon),
1863 									    Color(aPolygonColor),
1864 									    rUniTransparenceCandidate.getTransparence(),
1865 									    SvtGraphicFill::fillEvenOdd,
1866 									    SvtGraphicFill::fillSolid,
1867 									    SvtGraphicFill::Transform(),
1868 									    false,
1869 									    SvtGraphicFill::hatchSingle,
1870 									    Color(),
1871 									    SvtGraphicFill::gradientLinear,
1872 									    Color(),
1873 									    Color(),
1874 									    0,
1875 									    Graphic());
1876 							    }
1877 
1878                                 // set line and fill color
1879 							    const sal_uInt16 nTransPercentVcl((sal_uInt16)basegfx::fround(rUniTransparenceCandidate.getTransparence() * 100.0));
1880 							    mpOutputDevice->SetFillColor(Color(aPolygonColor));
1881 							    mpOutputDevice->SetLineColor();
1882 
1883 							    // call VCL directly; encapsulate with SvtGraphicFill
1884                                 if(bSupportSvtGraphicFill)
1885                                 {
1886                                     impStartSvtGraphicFill(pSvtGraphicFill);
1887                                 }
1888 
1889 							    mpOutputDevice->DrawTransparent(
1890 								    PolyPolygon(aLocalPolyPolygon),
1891 								    nTransPercentVcl);
1892 
1893                                 if(bSupportSvtGraphicFill)
1894                                 {
1895                                     impEndSvtGraphicFill(pSvtGraphicFill);
1896                                 }
1897 						    }
1898 						    else
1899 						    {
1900 							    // svae old mfCurrentUnifiedTransparence and set new one
1901 							    // so that contained SvtGraphicStroke may use the current one
1902 							    const double fLastCurrentUnifiedTransparence(mfCurrentUnifiedTransparence);
1903                                 // #i105377# paint the content metafile opaque as the transparency gets
1904                                 // split of into the gradient below
1905 							    // mfCurrentUnifiedTransparence = rUniTransparenceCandidate.getTransparence();
1906 							    mfCurrentUnifiedTransparence = 0;
1907 
1908 							    // various content, create content-metafile
1909 							    GDIMetaFile aContentMetafile;
1910                                 const Rectangle aPrimitiveRectangle(impDumpToMetaFile(rContent, aContentMetafile));
1911 
1912 							    // restore mfCurrentUnifiedTransparence; it may have been used
1913 							    // while processing the sub-content in impDumpToMetaFile
1914 							    mfCurrentUnifiedTransparence = fLastCurrentUnifiedTransparence;
1915 
1916 							    // create uniform VCL gradient for uniform transparency
1917 							    Gradient aVCLGradient;
1918 							    const sal_uInt8 nTransPercentVcl((sal_uInt8)basegfx::fround(rUniTransparenceCandidate.getTransparence() * 255.0));
1919 							    const Color aTransColor(nTransPercentVcl, nTransPercentVcl, nTransPercentVcl);
1920 
1921 							    aVCLGradient.SetStyle(GRADIENT_LINEAR);
1922 							    aVCLGradient.SetStartColor(aTransColor);
1923 							    aVCLGradient.SetEndColor(aTransColor);
1924 							    aVCLGradient.SetAngle(0);
1925 							    aVCLGradient.SetBorder(0);
1926 							    aVCLGradient.SetOfsX(0);
1927 							    aVCLGradient.SetOfsY(0);
1928 							    aVCLGradient.SetStartIntensity(100);
1929 							    aVCLGradient.SetEndIntensity(100);
1930 							    aVCLGradient.SetSteps(2);
1931 
1932 							    // render it to VCL
1933 							    mpOutputDevice->DrawTransparent(
1934 								    aContentMetafile, aPrimitiveRectangle.TopLeft(),
1935 								    aPrimitiveRectangle.GetSize(), aVCLGradient);
1936 						    }
1937 					    }
1938                     }
1939 
1940 					break;
1941 				}
1942 				case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D :
1943 				{
1944 					// for metafile: Need to examine what the pure vcl version is doing here actually
1945 					// - uses DrawTransparent with metafile for content and a gradient
1946 					// i can detect this here with checking the gradient part for a single
1947 					// FillGradientPrimitive2D and reconstruct the gradient.
1948 					// If that detection goes wrong, i have to create an transparence-blended bitmap. Eventually
1949 					// do that in stripes, else RenderTransparencePrimitive2D may just be used
1950 					const primitive2d::TransparencePrimitive2D& rTransparenceCandidate = static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate);
1951 					const primitive2d::Primitive2DSequence rContent = rTransparenceCandidate.getChildren();
1952 					const primitive2d::Primitive2DSequence rTransparence = rTransparenceCandidate.getTransparence();
1953 
1954 					if(rContent.hasElements() && rTransparence.hasElements())
1955 					{
1956 						// try to identify a single FillGradientPrimitive2D in the
1957 						// transparence part of the primitive
1958 						const primitive2d::FillGradientPrimitive2D* pFiGradient = 0;
1959 						static bool bForceToBigTransparentVDev(false);
1960 
1961 						if(!bForceToBigTransparentVDev && 1 == rTransparence.getLength())
1962 						{
1963 							const primitive2d::Primitive2DReference xReference(rTransparence[0]);
1964 							pFiGradient = dynamic_cast< const primitive2d::FillGradientPrimitive2D* >(xReference.get());
1965 						}
1966 
1967 						// Check also for correct ID to exclude derived implementations
1968 						if(pFiGradient && PRIMITIVE2D_ID_FILLGRADIENTPRIMITIVE2D == pFiGradient->getPrimitive2DID())
1969 						{
1970 							// various content, create content-metafile
1971 							GDIMetaFile aContentMetafile;
1972                             const Rectangle aPrimitiveRectangle(impDumpToMetaFile(rContent, aContentMetafile));
1973 
1974 							// re-create a VCL-gradient from FillGradientPrimitive2D
1975 							Gradient aVCLGradient;
1976                             impConvertFillGradientAttributeToVCLGradient(aVCLGradient, pFiGradient->getFillGradient(), true);
1977 
1978 							// render it to VCL
1979 							mpOutputDevice->DrawTransparent(
1980 								aContentMetafile, aPrimitiveRectangle.TopLeft(),
1981 								aPrimitiveRectangle.GetSize(), aVCLGradient);
1982                         }
1983                         else
1984                         {
1985 	    				    // sub-transparence group. Draw to VDev first.
1986                             // this may get refined to tiling when resolution is too big here
1987 
1988                             // need to avoid switching off MapMode stuff here; maybe need another
1989                             // tooling class, cannot just do the same as with the pixel renderer.
1990                             // Need to experiment...
1991 
1992                             // Okay, basic implementation finished and tested. The DPI stuff was hard
1993                             // and not easy to find out that it's needed.
1994                             // Since this will not yet happen normally (as long as noone constructs
1995                             // transparence primitives with non-trivial transparence content) i will for now not
1996                             // refine to tiling here.
1997 
1998 				            basegfx::B2DRange aViewRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rContent, getViewInformation2D()));
1999 				            aViewRange.transform(maCurrentTransformation);
2000 		                    const Rectangle aRectLogic(
2001 			                    (sal_Int32)floor(aViewRange.getMinX()), (sal_Int32)floor(aViewRange.getMinY()),
2002 			                    (sal_Int32)ceil(aViewRange.getMaxX()), (sal_Int32)ceil(aViewRange.getMaxY()));
2003 		                    const Rectangle aRectPixel(mpOutputDevice->LogicToPixel(aRectLogic));
2004                             Size aSizePixel(aRectPixel.GetSize());
2005                     		const Point aEmptyPoint;
2006                             VirtualDevice aBufferDevice;
2007                             const sal_uInt32 nMaxQuadratPixels(500000);
2008                             const sal_uInt32 nViewVisibleArea(aSizePixel.getWidth() * aSizePixel.getHeight());
2009                             double fReduceFactor(1.0);
2010 
2011                             if(nViewVisibleArea > nMaxQuadratPixels)
2012                             {
2013                                 // reduce render size
2014                                 fReduceFactor = sqrt((double)nMaxQuadratPixels / (double)nViewVisibleArea);
2015                                 aSizePixel = Size(basegfx::fround((double)aSizePixel.getWidth() * fReduceFactor),
2016                                     basegfx::fround((double)aSizePixel.getHeight() * fReduceFactor));
2017                             }
2018 
2019                             if(aBufferDevice.SetOutputSizePixel(aSizePixel))
2020                             {
2021                                 // create and set MapModes for target devices
2022 		                        MapMode aNewMapMode(mpOutputDevice->GetMapMode());
2023 		                        aNewMapMode.SetOrigin(Point(-aRectLogic.Left(), -aRectLogic.Top()));
2024 		                        aBufferDevice.SetMapMode(aNewMapMode);
2025 
2026                                 // prepare view transformation for target renderers
2027                                 // ATTENTION! Need to apply another scaling because of the potential DPI differences
2028                                 // between Printer and VDev (mpOutputDevice and aBufferDevice here).
2029                                 // To get the DPI, LogicToPixel from (1,1) from MAP_INCH needs to be used.
2030                                 basegfx::B2DHomMatrix aViewTransform(aBufferDevice.GetViewTransformation());
2031                                 const Size aDPIOld(mpOutputDevice->LogicToPixel(Size(1, 1), MAP_INCH));
2032                                 const Size aDPINew(aBufferDevice.LogicToPixel(Size(1, 1), MAP_INCH));
2033                                 const double fDPIXChange((double)aDPIOld.getWidth() / (double)aDPINew.getWidth());
2034                                 const double fDPIYChange((double)aDPIOld.getHeight() / (double)aDPINew.getHeight());
2035 
2036                                 if(!basegfx::fTools::equal(fDPIXChange, 1.0) || !basegfx::fTools::equal(fDPIYChange, 1.0))
2037                                 {
2038                                     aViewTransform.scale(fDPIXChange, fDPIYChange);
2039                                 }
2040 
2041                                 // also take scaling from Size reduction into acount
2042                                 if(!basegfx::fTools::equal(fReduceFactor, 1.0))
2043                                 {
2044                                     aViewTransform.scale(fReduceFactor, fReduceFactor);
2045                                 }
2046 
2047                                 // create view information and pixel renderer. Reuse known ViewInformation
2048 								// except new transformation and range
2049                                 const geometry::ViewInformation2D aViewInfo(
2050 									getViewInformation2D().getObjectTransformation(),
2051 									aViewTransform,
2052 									aViewRange,
2053 									getViewInformation2D().getVisualizedPage(),
2054 									getViewInformation2D().getViewTime(),
2055 									getViewInformation2D().getExtendedInformationSequence());
2056 
2057 								VclPixelProcessor2D aBufferProcessor(aViewInfo, aBufferDevice);
2058 
2059                                 // draw content using pixel renderer
2060 				                aBufferProcessor.process(rContent);
2061 	                            const Bitmap aBmContent(aBufferDevice.GetBitmap(aEmptyPoint, aSizePixel));
2062 
2063                                 // draw transparence using pixel renderer
2064                                 aBufferDevice.Erase();
2065 				                aBufferProcessor.process(rTransparence);
2066                         		const AlphaMask aBmAlpha(aBufferDevice.GetBitmap(aEmptyPoint, aSizePixel));
2067 
2068 #ifdef DBG_UTIL
2069                                 static bool bDoSaveForVisualControl(false);
2070 			                    if(bDoSaveForVisualControl)
2071 			                    {
2072 				                    SvFileStream aNew(String(ByteString( "c:\\test.bmp" ), RTL_TEXTENCODING_UTF8), STREAM_WRITE|STREAM_TRUNC);
2073 
2074                                     WriteDIB(aBmContent, aNew, false, true);
2075 			                    }
2076 #endif
2077 
2078                                 // paint
2079                                 mpOutputDevice->DrawBitmapEx(
2080                                     aRectLogic.TopLeft(),
2081                                     aRectLogic.GetSize(),
2082                                     BitmapEx(aBmContent, aBmAlpha));
2083                             }
2084                         }
2085                     }
2086 
2087 					break;
2088 				}
2089 				case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
2090 				{
2091 					// use default transform group pocessing
2092 					RenderTransformPrimitive2D(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
2093 					break;
2094 				}
2095                 case PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D :
2096 				{
2097 					// new XDrawPage for ViewInformation2D
2098 					RenderPagePreviewPrimitive2D(static_cast< const primitive2d::PagePreviewPrimitive2D& >(rCandidate));
2099 					break;
2100 				}
2101 				case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
2102 				{
2103 					// use default marker array pocessing
2104 					RenderMarkerArrayPrimitive2D(static_cast< const primitive2d::MarkerArrayPrimitive2D& >(rCandidate));
2105 					break;
2106 				}
2107 				case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
2108 				{
2109 					// use default point array pocessing
2110 					RenderPointArrayPrimitive2D(static_cast< const primitive2d::PointArrayPrimitive2D& >(rCandidate));
2111 					break;
2112 				}
2113 				case PRIMITIVE2D_ID_STRUCTURETAGPRIMITIVE2D :
2114 				{
2115 					// structured tag primitive
2116 					const primitive2d::StructureTagPrimitive2D& rStructureTagCandidate = static_cast< const primitive2d::StructureTagPrimitive2D& >(rCandidate);
2117 					const vcl::PDFWriter::StructElement& rTagElement(rStructureTagCandidate.getStructureElement());
2118 					const bool bTagUsed(vcl::PDFWriter::NonStructElement != rTagElement);
2119 
2120 					if(mpPDFExtOutDevData &&  bTagUsed)
2121 					{
2122 						// write start tag
2123 						mpPDFExtOutDevData->BeginStructureElement(rTagElement);
2124 					}
2125 
2126 					// proccess childs normally
2127 					process(rStructureTagCandidate.getChildren());
2128 
2129 					if(mpPDFExtOutDevData &&  bTagUsed)
2130 					{
2131 						// write end tag
2132 						mpPDFExtOutDevData->EndStructureElement();
2133 					}
2134 
2135 					break;
2136 				}
2137                 case PRIMITIVE2D_ID_EPSPRIMITIVE2D :
2138                 {
2139 					RenderEpsPrimitive2D(static_cast< const primitive2d::EpsPrimitive2D& >(rCandidate));
2140                     break;
2141                 }
2142 				default :
2143 				{
2144                     // process recursively
2145 					process(rCandidate.get2DDecomposition(getViewInformation2D()));
2146 					break;
2147 				}
2148 			}
2149 		}
2150 	} // end of namespace processor2d
2151 } // end of namespace drawinglayer
2152 
2153 //////////////////////////////////////////////////////////////////////////////
2154 // eof
2155