1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_drawinglayer.hxx"
26 
27 #include <drawinglayer/processor2d/vclprocessor2d.hxx>
28 #include <drawinglayer/primitive2d/textprimitive2d.hxx>
29 #include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
30 #include <tools/debug.hxx>
31 #include <vcl/outdev.hxx>
32 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
33 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
34 #include <basegfx/polygon/b2dpolygontools.hxx>
35 #include <drawinglayer/attribute/sdrfillgraphicattribute.hxx>
36 #include <drawinglayer/primitive2d/fillgraphicprimitive2d.hxx>
37 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
38 #include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
39 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
40 #include <basegfx/polygon/b2dpolypolygontools.hxx>
41 #include <vclhelperbufferdevice.hxx>
42 #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
43 #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
44 #include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
45 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
46 #include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
47 #include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
48 #include <drawinglayer/primitive2d/wrongspellprimitive2d.hxx>
49 #include <svl/ctloptions.hxx>
50 #include <vcl/svapp.hxx>
51 #include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
52 #include <tools/diagnose_ex.h>
53 #include <vcl/metric.hxx>
54 #include <drawinglayer/primitive2d/textenumsprimitive2d.hxx>
55 #include <drawinglayer/primitive2d/epsprimitive2d.hxx>
56 #include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>
57 #include <basegfx/color/bcolor.hxx>
58 #include <basegfx/matrix/b2dhommatrixtools.hxx>
59 #include <vcl/graph.hxx>
60 
61 //////////////////////////////////////////////////////////////////////////////
62 // control support
63 
64 #include <com/sun/star/awt/XWindow2.hpp>
65 #include <com/sun/star/awt/PosSize.hpp>
66 #include <com/sun/star/awt/XView.hpp>
67 #include <drawinglayer/primitive2d/controlprimitive2d.hxx>
68 #include <drawinglayer/primitive2d/textlayoutdevice.hxx>
69 
70 //////////////////////////////////////////////////////////////////////////////
71 // for test, can be removed again
72 
73 #include <basegfx/polygon/b2dpolygonclipper.hxx>
74 #include <basegfx/polygon/b2dtrapezoid.hxx>
75 
76 //////////////////////////////////////////////////////////////////////////////
77 
78 using namespace com::sun::star;
79 
80 //////////////////////////////////////////////////////////////////////////////
81 
82 namespace
83 {
84     sal_uInt32 calculateStepsForSvgGradient(const basegfx::BColor& rColorA, const basegfx::BColor& rColorB, double fDelta, double fDiscreteUnit)
85     {
86         // use color distance, assume to do every color step
87         sal_uInt32 nSteps(basegfx::fround(rColorA.getDistance(rColorB) * 255.0));
88 
89         if(nSteps)
90         {
91             // calc discrete length to change color each disctete unit (pixel)
92             const sal_uInt32 nDistSteps(basegfx::fround(fDelta / fDiscreteUnit));
93 
94             nSteps = std::min(nSteps, nDistSteps);
95         }
96 
97         // reduce quality to 3 discrete units or every 3rd color step for rendering
98         nSteps /= 2;
99 
100         // roughly cut when too big or too small (not full quality, reduce complexity)
101         nSteps = std::min(nSteps, sal_uInt32(255));
102         nSteps = std::max(nSteps, sal_uInt32(1));
103 
104         return nSteps;
105     }
106 } // end of anonymous namespace
107 
108 //////////////////////////////////////////////////////////////////////////////
109 
110 namespace drawinglayer
111 {
112 	namespace processor2d
113 	{
114 		//////////////////////////////////////////////////////////////////////////////
115 		// UNO class usages
116 		using ::com::sun::star::uno::Reference;
117 		using ::com::sun::star::uno::UNO_QUERY;
118 	    using ::com::sun::star::uno::UNO_QUERY_THROW;
119         using ::com::sun::star::uno::Exception;
120 		using ::com::sun::star::awt::XView;
121 		using ::com::sun::star::awt::XGraphics;
122 	    using ::com::sun::star::awt::XWindow;
123 	    using ::com::sun::star::awt::PosSize::POSSIZE;
124 
125 		//////////////////////////////////////////////////////////////////////////////
126 		// rendering support
127 
128 		// directdraw of text simple portion or decorated portion primitive. When decorated, all the extra
129 		// information is translated to VCL parameters and set at the font.
130 		// Acceptance is restricted to no shearing and positive scaling in X and Y (no font mirroring
131 		// for VCL)
132 		void VclProcessor2D::RenderTextSimpleOrDecoratedPortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate)
133 		{
134             // decompose matrix to have position and size of text
135 			basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rTextCandidate.getTextTransform());
136 			basegfx::B2DVector aFontScaling, aTranslate;
137 			double fRotate, fShearX;
138 			aLocalTransform.decompose(aFontScaling, aTranslate, fRotate, fShearX);
139 			bool bPrimitiveAccepted(false);
140 
141 			if(basegfx::fTools::equalZero(fShearX))
142 			{
143 				if(basegfx::fTools::less(aFontScaling.getX(), 0.0) && basegfx::fTools::less(aFontScaling.getY(), 0.0))
144 				{
145 					// handle special case: If scale is negative in (x,y) (3rd quadrant), it can
146 					// be expressed as rotation by PI. Use this since the Font rendering will not
147                     // apply the negative scales in any form
148 					aFontScaling = basegfx::absolute(aFontScaling);
149 					fRotate += F_PI;
150 				}
151 
152 				if(basegfx::fTools::more(aFontScaling.getX(), 0.0) && basegfx::fTools::more(aFontScaling.getY(), 0.0))
153 				{
154                     // Get the VCL font (use FontHeight as FontWidth)
155                     Font aFont(primitive2d::getVclFontFromFontAttribute(
156                         rTextCandidate.getFontAttribute(),
157                         aFontScaling.getX(),
158                         aFontScaling.getY(),
159                         fRotate,
160                         rTextCandidate.getLocale()));
161 
162 					// handle additional font attributes
163 					const primitive2d::TextDecoratedPortionPrimitive2D* pTCPP =
164 						dynamic_cast<const primitive2d::TextDecoratedPortionPrimitive2D*>( &rTextCandidate );
165 
166 					if( pTCPP != NULL )
167 					{
168 
169                         // set the color of text decorations
170                         const basegfx::BColor aTextlineColor = maBColorModifierStack.getModifiedColor(pTCPP->getTextlineColor());
171                         mpOutputDevice->SetTextLineColor( Color(aTextlineColor) );
172 
173                         // set Overline attribute
174                         const FontUnderline eFontOverline(primitive2d::mapTextLineToFontUnderline( pTCPP->getFontOverline() ));
175                         if( eFontOverline != UNDERLINE_NONE )
176                         {
177                             aFont.SetOverline( eFontOverline );
178                             const basegfx::BColor aOverlineColor = maBColorModifierStack.getModifiedColor(pTCPP->getOverlineColor());
179                             mpOutputDevice->SetOverlineColor( Color(aOverlineColor) );
180                             if( pTCPP->getWordLineMode() )
181                                 aFont.SetWordLineMode( true );
182                         }
183 
184                         // set Underline attribute
185                         const FontUnderline eFontUnderline(primitive2d::mapTextLineToFontUnderline( pTCPP->getFontUnderline() ));
186                         if( eFontUnderline != UNDERLINE_NONE )
187 						{
188 							aFont.SetUnderline( eFontUnderline );
189 							if( pTCPP->getWordLineMode() )
190 								aFont.SetWordLineMode( true );
191 //TODO: ???					if( pTCPP->getUnderlineAbove() )
192 //								aFont.SetUnderlineAbove( true );
193 						}
194 
195 						// set Strikeout attribute
196 						const FontStrikeout eFontStrikeout(primitive2d::mapTextStrikeoutToFontStrikeout(pTCPP->getTextStrikeout()));
197 
198 						if( eFontStrikeout != STRIKEOUT_NONE )
199 							aFont.SetStrikeout( eFontStrikeout );
200 
201 						// set EmphasisMark attribute
202 						FontEmphasisMark eFontEmphasisMark = EMPHASISMARK_NONE;
203 						switch( pTCPP->getTextEmphasisMark() )
204 						{
205 							default:
206 								DBG_WARNING1( "DrawingLayer: Unknown EmphasisMark style (%d)!", pTCPP->getTextEmphasisMark() );
207 								// fall through
208 							case primitive2d::TEXT_EMPHASISMARK_NONE:	eFontEmphasisMark = EMPHASISMARK_NONE; break;
209 							case primitive2d::TEXT_EMPHASISMARK_DOT:	eFontEmphasisMark = EMPHASISMARK_DOT; break;
210 							case primitive2d::TEXT_EMPHASISMARK_CIRCLE:	eFontEmphasisMark = EMPHASISMARK_CIRCLE; break;
211 							case primitive2d::TEXT_EMPHASISMARK_DISC:	eFontEmphasisMark = EMPHASISMARK_DISC; break;
212 							case primitive2d::TEXT_EMPHASISMARK_ACCENT:	eFontEmphasisMark = EMPHASISMARK_ACCENT; break;
213 						}
214 
215 						if( eFontEmphasisMark != EMPHASISMARK_NONE )
216 						{
217 							DBG_ASSERT( (pTCPP->getEmphasisMarkAbove() != pTCPP->getEmphasisMarkBelow()),
218 								"DrawingLayer: Bad EmphasisMark position!" );
219 							if( pTCPP->getEmphasisMarkAbove() )
220 								eFontEmphasisMark |= EMPHASISMARK_POS_ABOVE;
221 							else
222 								eFontEmphasisMark |= EMPHASISMARK_POS_BELOW;
223 							aFont.SetEmphasisMark( eFontEmphasisMark );
224 						}
225 
226 						// set Relief attribute
227 						FontRelief eFontRelief = RELIEF_NONE;
228 						switch( pTCPP->getTextRelief() )
229 						{
230 							default:
231 								DBG_WARNING1( "DrawingLayer: Unknown Relief style (%d)!", pTCPP->getTextRelief() );
232 								// fall through
233 							case primitive2d::TEXT_RELIEF_NONE:		eFontRelief = RELIEF_NONE; break;
234 							case primitive2d::TEXT_RELIEF_EMBOSSED:	eFontRelief = RELIEF_EMBOSSED; break;
235 							case primitive2d::TEXT_RELIEF_ENGRAVED:	eFontRelief = RELIEF_ENGRAVED; break;
236 						}
237 
238 						if( eFontRelief != RELIEF_NONE )
239 							aFont.SetRelief( eFontRelief );
240 
241 						// set Shadow attribute
242 						if( pTCPP->getShadow() )
243 							aFont.SetShadow( true );
244 					}
245 
246 					// create transformed integer DXArray in view coordinate system
247 					::std::vector< sal_Int32 > aTransformedDXArray;
248 
249 					if(rTextCandidate.getDXArray().size())
250 					{
251 						aTransformedDXArray.reserve(rTextCandidate.getDXArray().size());
252 						const basegfx::B2DVector aPixelVector(maCurrentTransformation * basegfx::B2DVector(1.0, 0.0));
253 						const double fPixelVectorFactor(aPixelVector.getLength());
254 
255 						for(::std::vector< double >::const_iterator aStart(rTextCandidate.getDXArray().begin());
256                             aStart != rTextCandidate.getDXArray().end(); aStart++)
257 						{
258 							aTransformedDXArray.push_back(basegfx::fround((*aStart) * fPixelVectorFactor));
259 						}
260 					}
261 
262 					// set parameters and paint text snippet
263 					const basegfx::BColor aRGBFontColor(maBColorModifierStack.getModifiedColor(rTextCandidate.getFontColor()));
264 					const basegfx::B2DPoint aPoint(aLocalTransform * basegfx::B2DPoint(0.0, 0.0));
265 					const Point aStartPoint(basegfx::fround(aPoint.getX()), basegfx::fround(aPoint.getY()));
266                     const sal_uInt32 nOldLayoutMode(mpOutputDevice->GetLayoutMode());
267 
268                     if(rTextCandidate.getFontAttribute().getRTL())
269                     {
270                         sal_uInt32 nRTLLayoutMode(nOldLayoutMode & ~(TEXT_LAYOUT_COMPLEX_DISABLED|TEXT_LAYOUT_BIDI_STRONG));
271                         nRTLLayoutMode |= TEXT_LAYOUT_BIDI_RTL|TEXT_LAYOUT_TEXTORIGIN_LEFT;
272                         mpOutputDevice->SetLayoutMode(nRTLLayoutMode);
273                     }
274 
275 					mpOutputDevice->SetFont(aFont);
276 					mpOutputDevice->SetTextColor(Color(aRGBFontColor));
277 
278 					if(aTransformedDXArray.size())
279 					{
280 						mpOutputDevice->DrawTextArray(
281 							aStartPoint,
282 							rTextCandidate.getText(),
283 							&(aTransformedDXArray[0]),
284 							rTextCandidate.getTextPosition(),
285 							rTextCandidate.getTextLength());
286 					}
287 					else
288 					{
289 						mpOutputDevice->DrawText(
290 							aStartPoint,
291 							rTextCandidate.getText(),
292 							rTextCandidate.getTextPosition(),
293 							rTextCandidate.getTextLength());
294 					}
295 
296                     if(rTextCandidate.getFontAttribute().getRTL())
297                     {
298                         mpOutputDevice->SetLayoutMode(nOldLayoutMode);
299                     }
300 
301 					bPrimitiveAccepted = true;
302 				}
303 			}
304 
305 			if(!bPrimitiveAccepted)
306 			{
307 				// let break down
308 				process(rTextCandidate.get2DDecomposition(getViewInformation2D()));
309 			}
310 		}
311 
312 		// direct draw of hairline
313 		void VclProcessor2D::RenderPolygonHairlinePrimitive2D(const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate, bool bPixelBased)
314 		{
315             const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rPolygonCandidate.getBColor()));
316 			mpOutputDevice->SetLineColor(Color(aHairlineColor));
317 			mpOutputDevice->SetFillColor();
318 
319 			basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
320 			aLocalPolygon.transform(maCurrentTransformation);
321 
322             static bool bCheckTrapezoidDecomposition(false);
323             static bool bShowOutlinesThere(false);
324             if(bCheckTrapezoidDecomposition)
325             {
326                 // clip against discrete ViewPort
327                 const basegfx::B2DRange& rDiscreteViewport = getViewInformation2D().getDiscreteViewport();
328                 basegfx::B2DPolyPolygon aLocalPolyPolygon(basegfx::tools::clipPolygonOnRange(
329                     aLocalPolygon, rDiscreteViewport, true, false));
330 
331                 if(aLocalPolyPolygon.count())
332                 {
333                     // subdivide
334                     aLocalPolyPolygon = basegfx::tools::adaptiveSubdivideByDistance(
335                         aLocalPolyPolygon, 0.5);
336 
337                     // trapezoidize
338                     static double fLineWidth(2.0);
339                     basegfx::B2DTrapezoidVector aB2DTrapezoidVector;
340                     basegfx::tools::createLineTrapezoidFromB2DPolyPolygon(aB2DTrapezoidVector, aLocalPolyPolygon, fLineWidth);
341 
342                     const sal_uInt32 nCount(aB2DTrapezoidVector.size());
343 
344                     if(nCount)
345                     {
346                         basegfx::BColor aInvPolygonColor(aHairlineColor);
347                         aInvPolygonColor.invert();
348 
349                         for(sal_uInt32 a(0); a < nCount; a++)
350                         {
351                             const basegfx::B2DPolygon aTempPolygon(aB2DTrapezoidVector[a].getB2DPolygon());
352 
353                             if(bShowOutlinesThere)
354                             {
355                                 mpOutputDevice->SetFillColor(Color(aHairlineColor));
356 			                    mpOutputDevice->SetLineColor();
357                             }
358 
359                             mpOutputDevice->DrawPolygon(aTempPolygon);
360 
361                             if(bShowOutlinesThere)
362                             {
363                                 mpOutputDevice->SetFillColor();
364         		                mpOutputDevice->SetLineColor(Color(aInvPolygonColor));
365     	    		            mpOutputDevice->DrawPolyLine(aTempPolygon, 0.0);
366                             }
367                         }
368                     }
369                 }
370             }
371             else
372             {
373 			    if(bPixelBased && getOptionsDrawinglayer().IsAntiAliasing() && getOptionsDrawinglayer().IsSnapHorVerLinesToDiscrete())
374 			    {
375 				    // #i98289#
376 				    // when a Hairline is painted and AntiAliasing is on the option SnapHorVerLinesToDiscrete
377 				    // allows to suppress AntiAliasing for pure horizontal or vertical lines. This is done since
378 				    // not-AntiAliased such lines look more pleasing to the eye (e.g. 2D chart content). This
379 				    // NEEDS to be done in discrete coordinates, so only useful for pixel based rendering.
380 				    aLocalPolygon = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges(aLocalPolygon);
381 			    }
382 
383 			    mpOutputDevice->DrawPolyLine(aLocalPolygon, 0.0);
384             }
385 		}
386 
387 		// direct draw of transformed BitmapEx primitive
388 		void VclProcessor2D::RenderBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D& rBitmapCandidate)
389 		{
390             BitmapEx aBitmapEx(rBitmapCandidate.getBitmapEx());
391             const basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rBitmapCandidate.getTransform());
392 
393 			if(maBColorModifierStack.count())
394 			{
395                 aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
396 
397 				if(aBitmapEx.IsEmpty())
398 				{
399 					// color gets completely replaced, get it
400 					const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
401 					basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
402 					aPolygon.transform(aLocalTransform);
403 
404 					mpOutputDevice->SetFillColor(Color(aModifiedColor));
405 					mpOutputDevice->SetLineColor();
406 					mpOutputDevice->DrawPolygon(aPolygon);
407 
408 					return;
409 				}
410 			}
411 
412 			// decompose matrix to check for shear, rotate and mirroring
413 			basegfx::B2DVector aScale, aTranslate;
414 			double fRotate, fShearX;
415 
416             aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);
417 
418             const bool bRotated(!basegfx::fTools::equalZero(fRotate));
419             const bool bSheared(!basegfx::fTools::equalZero(fShearX));
420 
421 			if(!aBitmapEx.IsTransparent() && (bSheared || bRotated))
422 			{
423 				// parts will be uncovered, extend aBitmapEx with a mask bitmap
424 				const Bitmap aContent(aBitmapEx.GetBitmap());
425 #if defined(MACOSX)
426 				const AlphaMask aMaskBmp( aContent.GetSizePixel());
427 #else
428 				Bitmap aMaskBmp( aContent.GetSizePixel(), 1);
429                 aMaskBmp.Erase(Color(COL_BLACK)); // #122758# Initialize to non-transparent
430 #endif
431 				aBitmapEx = BitmapEx(aContent, aMaskBmp);
432 			}
433 
434             // draw using OutputDevice'sDrawTransformedBitmapEx
435             mpOutputDevice->DrawTransformedBitmapEx(aLocalTransform, aBitmapEx);
436 		}
437 
438 		void VclProcessor2D::RenderFillGraphicPrimitive2D(const primitive2d::FillGraphicPrimitive2D& rFillBitmapCandidate)
439 		{
440 			const attribute::FillGraphicAttribute& rFillGraphicAttribute(rFillBitmapCandidate.getFillGraphic());
441 			bool bPrimitiveAccepted(false);
442             static bool bTryTilingDirect = true;
443 
444             // #121194# when tiling is used and content is bitmap-based, do direct tiling in the
445             // renderer on pixel base to ensure tight fitting. Do not do this when
446             // the fill is rotated or sheared.
447 
448             // ovveride static bool (for debug) and tiling is active
449 			if(bTryTilingDirect && rFillGraphicAttribute.getTiling())
450 			{
451                 // content is bitmap(ex)
452                 //
453                 // for SVG support, force decomposition when SVG is present. This will lead to use
454                 // the primitive representation of the svg directly.
455                 //
456                 // when graphic is animated, force decomposition to use the correct graphic, else
457                 // fill style will not be animated
458                 if(GRAPHIC_BITMAP == rFillGraphicAttribute.getGraphic().GetType()
459                     && !rFillGraphicAttribute.getGraphic().getSvgData().get()
460                     && !rFillGraphicAttribute.getGraphic().IsAnimated())
461                 {
462 				    // decompose matrix to check for shear, rotate and mirroring
463 				    basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rFillBitmapCandidate.getTransformation());
464 				    basegfx::B2DVector aScale, aTranslate;
465 				    double fRotate, fShearX;
466 				    aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);
467 
468                     // when nopt rotated/sheared
469 				    if(basegfx::fTools::equalZero(fRotate) && basegfx::fTools::equalZero(fShearX))
470 				    {
471 					    // no shear or rotate, draw direct in pixel coordinates
472 					    bPrimitiveAccepted = true;
473 
474                         // transform object range to device coordinates (pixels). Use
475                         // the device transformation for better accuracy
476                         basegfx::B2DRange aObjectRange(aTranslate, aTranslate + aScale);
477                         aObjectRange.transform(mpOutputDevice->GetViewTransformation());
478 
479                         // extract discrete size of object
480                         const sal_Int32 nOWidth(basegfx::fround(aObjectRange.getWidth()));
481                         const sal_Int32 nOHeight(basegfx::fround(aObjectRange.getHeight()));
482 
483                         // only do something when object has a size in discrete units
484 						if(nOWidth > 0 && nOHeight > 0)
485 						{
486                             // transform graphic range to device coordinates (pixels). Use
487                             // the device transformation for better accuracy
488                             basegfx::B2DRange aGraphicRange(rFillGraphicAttribute.getGraphicRange());
489                             aGraphicRange.transform(mpOutputDevice->GetViewTransformation() * aLocalTransform);
490 
491                             // extract discrete size of graphic
492                             const sal_Int32 nBWidth(basegfx::fround(aGraphicRange.getWidth()));
493                             const sal_Int32 nBHeight(basegfx::fround(aGraphicRange.getHeight()));
494 
495                             // only do something when bitmap fill has a size in discrete units
496 						    if(nBWidth > 0 && nBHeight > 0)
497 						    {
498 						        // nBWidth, nBHeight is the pixel size of the neede bitmap. To not need to scale it
499 						        // in vcl many times, create a size-optimized version
500 						        const Size aNeededBitmapSizePixel(nBWidth, nBHeight);
501                                 BitmapEx aBitmapEx(rFillGraphicAttribute.getGraphic().GetBitmapEx());
502                                 static bool bEnablePreScaling(true);
503                                 const bool bPreScaled(bEnablePreScaling && nBWidth * nBHeight < (250 * 250));
504 
505                                 if(bPreScaled)
506                                 {
507                                     // ... but only up to a maximum size, else it gets too expensive
508                                     aBitmapEx.Scale(aNeededBitmapSizePixel, BMP_SCALE_INTERPOLATE);
509                                 }
510 
511 					            bool bPainted(false);
512 
513 					            if(maBColorModifierStack.count())
514 					            {
515                                     // when color modifier, apply to bitmap
516 						            aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
517 
518                                     // impModifyBitmapEx uses empty bitmap as sign to return that
519                                     // the content will be completely replaced to mono color, use shortcut
520 						            if(aBitmapEx.IsEmpty())
521 						            {
522 							            // color gets completely replaced, get it
523 							            const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
524 							            basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
525 							            aPolygon.transform(aLocalTransform);
526 
527 							            mpOutputDevice->SetFillColor(Color(aModifiedColor));
528 							            mpOutputDevice->SetLineColor();
529 							            mpOutputDevice->DrawPolygon(aPolygon);
530 
531 							            bPainted = true;
532 						            }
533 					            }
534 
535 					            if(!bPainted)
536 					            {
537                                     sal_Int32 nBLeft(basegfx::fround(aGraphicRange.getMinX()));
538                                     sal_Int32 nBTop(basegfx::fround(aGraphicRange.getMinY()));
539                                     const sal_Int32 nOLeft(basegfx::fround(aObjectRange.getMinX()));
540                                     const sal_Int32 nOTop(basegfx::fround(aObjectRange.getMinY()));
541                                     sal_Int32 nPosX(0);
542                                     sal_Int32 nPosY(0);
543 
544 						            if(nBLeft > nOLeft)
545 						            {
546                                         const sal_Int32 nDiff((nBLeft / nBWidth) + 1);
547 
548                                         nPosX -= nDiff;
549 							            nBLeft -= nDiff * nBWidth;
550 						            }
551 
552 						            if(nBLeft + nBWidth <= nOLeft)
553 						            {
554                                         const sal_Int32 nDiff(-nBLeft / nBWidth);
555 
556                                         nPosX += nDiff;
557 							            nBLeft += nDiff * nBWidth;
558 						            }
559 
560 						            if(nBTop > nOTop)
561 						            {
562                                         const sal_Int32 nDiff((nBTop / nBHeight) + 1);
563 
564                                         nPosY -= nDiff;
565 							            nBTop -= nDiff * nBHeight;
566 						            }
567 
568 						            if(nBTop + nBHeight <= nOTop)
569 						            {
570                                         const sal_Int32 nDiff(-nBTop / nBHeight);
571 
572                                         nPosY += nDiff;
573 							            nBTop += nDiff * nBHeight;
574 						            }
575 
576 						            // prepare OutDev
577 						            const Point aEmptyPoint(0, 0);
578 						            const Rectangle aVisiblePixel(aEmptyPoint, mpOutputDevice->GetOutputSizePixel());
579 						            const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
580 						            mpOutputDevice->EnableMapMode(false);
581 
582                                     // check if offset is used
583                                     const sal_Int32 nOffsetX(basegfx::fround(rFillGraphicAttribute.getOffsetX() * nBWidth));
584 
585                                     if(nOffsetX)
586                                     {
587                                         // offset in X, so iterate over Y first and draw lines
588                                         for(sal_Int32 nYPos(nBTop); nYPos < nOTop + nOHeight; nYPos += nBHeight, nPosY++)
589                                         {
590                                             for(sal_Int32 nXPos(nPosY % 2 ? nBLeft - nBWidth + nOffsetX : nBLeft);
591                                                 nXPos < nOLeft + nOWidth; nXPos += nBWidth)
592                                             {
593                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
594 
595                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
596                                                 {
597                                                     if(bPreScaled)
598                                                     {
599                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
600                                                     }
601                                                     else
602                                                     {
603                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
604                                                     }
605                                                 }
606                                             }
607                                         }
608                                     }
609                                     else
610                                     {
611                                         // check if offset is used
612                                         const sal_Int32 nOffsetY(basegfx::fround(rFillGraphicAttribute.getOffsetY() * nBHeight));
613 
614                                         // possible offset in Y, so iterate over X first and draw columns
615                                         for(sal_Int32 nXPos(nBLeft); nXPos < nOLeft + nOWidth; nXPos += nBWidth, nPosX++)
616                                         {
617                                             for(sal_Int32 nYPos(nPosX % 2 ? nBTop - nBHeight + nOffsetY : nBTop);
618                                                 nYPos < nOTop + nOHeight; nYPos += nBHeight)
619                                             {
620                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
621 
622                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
623                                                 {
624                                                     if(bPreScaled)
625                                                     {
626                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
627                                                     }
628                                                     else
629                                                     {
630                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
631                                                     }
632                                                 }
633                                             }
634                                         }
635                                     }
636 
637 						            // restore OutDev
638 						            mpOutputDevice->EnableMapMode(bWasEnabled);
639                                 }
640                             }
641                         }
642 				    }
643 			    }
644             }
645 
646 			if(!bPrimitiveAccepted)
647 			{
648 				// do not accept, use decomposition
649 				process(rFillBitmapCandidate.get2DDecomposition(getViewInformation2D()));
650 			}
651 		}
652 
653 		// direct draw of Graphic
654 		void VclProcessor2D::RenderPolyPolygonGraphicPrimitive2D(const primitive2d::PolyPolygonGraphicPrimitive2D& rPolygonCandidate)
655 		{
656             bool bDone(false);
657             const basegfx::B2DPolyPolygon& rPolyPolygon = rPolygonCandidate.getB2DPolyPolygon();
658 
659             // #121194# Todo: check if this works
660             if(!rPolyPolygon.count())
661             {
662                 // empty polyPolygon, done
663                 bDone = true;
664             }
665             else
666             {
667                 const attribute::FillGraphicAttribute& rFillGraphicAttribute = rPolygonCandidate.getFillGraphic();
668 
669                 // try to catch cases where the graphic will be color-modified to a single
670                 // color (e.g. shadow)
671                 switch(rFillGraphicAttribute.getGraphic().GetType())
672                 {
673                     case GRAPHIC_GDIMETAFILE:
674                     {
675                         // metafiles are potentially transparent, cannot optimize�, not done
676                         break;
677                     }
678                     case GRAPHIC_BITMAP:
679                     {
680                         if(!rFillGraphicAttribute.getGraphic().IsTransparent() && !rFillGraphicAttribute.getGraphic().IsAlpha())
681                         {
682                             // bitmap is not transparent and has no alpha
683                             const sal_uInt32 nBColorModifierStackCount(maBColorModifierStack.count());
684 
685                             if(nBColorModifierStackCount)
686                             {
687                                 const basegfx::BColorModifier& rTopmostModifier = maBColorModifierStack.getBColorModifier(nBColorModifierStackCount - 1);
688 
689                                 if(basegfx::BCOLORMODIFYMODE_REPLACE == rTopmostModifier.getMode())
690                                 {
691                                     // the bitmap fill is in unified color, so we can replace it with
692                                     // a single polygon fill. The form of the fill depends on tiling
693                                     if(rFillGraphicAttribute.getTiling())
694                                     {
695                                         // with tiling, fill the whole PolyPolygon with the modifier color
696                                         basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolyPolygon);
697 
698                                         aLocalPolyPolygon.transform(maCurrentTransformation);
699                                         mpOutputDevice->SetLineColor();
700                                         mpOutputDevice->SetFillColor(Color(rTopmostModifier.getBColor()));
701                                         mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
702                                     }
703                                     else
704                                     {
705                                         // without tiling, only the area common to the bitmap tile and the
706                                         // PolyPolygon is filled. Create the bitmap tile area in object
707                                         // coordinates. For this, the object transformation needs to be created
708                                         // from the already scaled PolyPolygon. The tile area in object
709                                         // coordinates wil always be non-rotated, so it's not necessary to
710                                         // work with a polygon here
711                                         basegfx::B2DRange aTileRange(rFillGraphicAttribute.getGraphicRange());
712                                         const basegfx::B2DRange aPolyPolygonRange(rPolyPolygon.getB2DRange());
713                                         const basegfx::B2DHomMatrix aNewObjectTransform(
714                                             basegfx::tools::createScaleTranslateB2DHomMatrix(
715                                                 aPolyPolygonRange.getRange(),
716                                                 aPolyPolygonRange.getMinimum()));
717 
718                                         aTileRange.transform(aNewObjectTransform);
719 
720                                         // now clip the object polyPolygon against the tile range
721                                         // to get the common area
722                                         basegfx::B2DPolyPolygon aTarget = basegfx::tools::clipPolyPolygonOnRange(
723                                             rPolyPolygon,
724                                             aTileRange,
725                                             true,
726                                             false);
727 
728                                         if(aTarget.count())
729                                         {
730                                             aTarget.transform(maCurrentTransformation);
731                                             mpOutputDevice->SetLineColor();
732                                             mpOutputDevice->SetFillColor(Color(rTopmostModifier.getBColor()));
733                                             mpOutputDevice->DrawPolyPolygon(aTarget);
734                                         }
735                                     }
736 
737                                     // simplified output executed, we are done
738                                     bDone = true;
739                                 }
740                             }
741                         }
742                         break;
743                     }
744                     default: //GRAPHIC_NONE, GRAPHIC_DEFAULT
745                     {
746                         // empty graphic, we are done
747                         bDone = true;
748                         break;
749                     }
750                 }
751             }
752 
753             if(!bDone)
754             {
755                 // use default decomposition
756                 process(rPolygonCandidate.get2DDecomposition(getViewInformation2D()));
757             }
758         }
759 
760 		// mask group. Force output to VDev and create mask from given mask
761 		void VclProcessor2D::RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D& rMaskCandidate)
762 		{
763 			if(rMaskCandidate.getChildren().hasElements())
764 			{
765 				basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
766 
767 				if(aMask.count())
768 				{
769 					aMask.transform(maCurrentTransformation);
770 					const basegfx::B2DRange aRange(basegfx::tools::getRange(aMask));
771 					impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
772 
773 					if(aBufferDevice.isVisible())
774 					{
775 						// remember last OutDev and set to content
776 						OutputDevice* pLastOutputDevice = mpOutputDevice;
777 						mpOutputDevice = &aBufferDevice.getContent();
778 
779 						// paint to it
780 						process(rMaskCandidate.getChildren());
781 
782 						// back to old OutDev
783 						mpOutputDevice = pLastOutputDevice;
784 
785 					    // draw mask
786                         if(getOptionsDrawinglayer().IsAntiAliasing())
787                         {
788                             // with AA, use 8bit AlphaMask to get nice borders
789 						    VirtualDevice& rTransparence = aBufferDevice.getTransparence();
790 						    rTransparence.SetLineColor();
791 						    rTransparence.SetFillColor(COL_BLACK);
792 						    rTransparence.DrawPolyPolygon(aMask);
793 
794 						    // dump buffer to outdev
795 						    aBufferDevice.paint();
796                         }
797                         else
798                         {
799                             // No AA, use 1bit mask
800 						    VirtualDevice& rMask = aBufferDevice.getMask();
801 						    rMask.SetLineColor();
802 						    rMask.SetFillColor(COL_BLACK);
803 						    rMask.DrawPolyPolygon(aMask);
804 
805 						    // dump buffer to outdev
806 						    aBufferDevice.paint();
807                         }
808 					}
809 				}
810 			}
811 		}
812 
813 		// modified color group. Force output to unified color.
814 		void VclProcessor2D::RenderModifiedColorPrimitive2D(const primitive2d::ModifiedColorPrimitive2D& rModifiedCandidate)
815 		{
816 			if(rModifiedCandidate.getChildren().hasElements())
817 			{
818 				maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
819 				process(rModifiedCandidate.getChildren());
820 				maBColorModifierStack.pop();
821 			}
822 		}
823 
824 		// unified sub-transparence. Draw to VDev first.
825 		void VclProcessor2D::RenderUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D& rTransCandidate)
826 		{
827             static bool bForceToDecomposition(false);
828 
829             if(rTransCandidate.getChildren().hasElements())
830             {
831                 if(bForceToDecomposition)
832                 {
833     			    // use decomposition
834 	    		    process(rTransCandidate.get2DDecomposition(getViewInformation2D()));
835                 }
836                 else
837                 {
838 			        if(0.0 == rTransCandidate.getTransparence())
839 			        {
840 				        // no transparence used, so just use the content
841     	    		    process(rTransCandidate.getChildren());
842 			        }
843 			        else if(rTransCandidate.getTransparence() > 0.0 && rTransCandidate.getTransparence() < 1.0)
844 			        {
845                         // transparence is in visible range
846 				        basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
847 				        aRange.transform(maCurrentTransformation);
848 				        impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
849 
850 				        if(aBufferDevice.isVisible())
851 				        {
852 					        // remember last OutDev and set to content
853 					        OutputDevice* pLastOutputDevice = mpOutputDevice;
854 					        mpOutputDevice = &aBufferDevice.getContent();
855 
856 					        // paint content to it
857 					        process(rTransCandidate.getChildren());
858 
859 					        // back to old OutDev
860 					        mpOutputDevice = pLastOutputDevice;
861 
862 					        // dump buffer to outdev using given transparence
863 					        aBufferDevice.paint(rTransCandidate.getTransparence());
864 				        }
865 			        }
866                 }
867             }
868 		}
869 
870 		// sub-transparence group. Draw to VDev first.
871 		void VclProcessor2D::RenderTransparencePrimitive2D(const primitive2d::TransparencePrimitive2D& rTransCandidate)
872 		{
873 			if(rTransCandidate.getChildren().hasElements())
874 			{
875 				basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
876 				aRange.transform(maCurrentTransformation);
877 				impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
878 
879 				if(aBufferDevice.isVisible())
880 				{
881 					// remember last OutDev and set to content
882 					OutputDevice* pLastOutputDevice = mpOutputDevice;
883 					mpOutputDevice = &aBufferDevice.getContent();
884 
885 					// paint content to it
886 					process(rTransCandidate.getChildren());
887 
888 					// set to mask
889 					mpOutputDevice = &aBufferDevice.getTransparence();
890 
891 					// when painting transparence masks, reset the color stack
892 					basegfx::BColorModifierStack aLastBColorModifierStack(maBColorModifierStack);
893 					maBColorModifierStack = basegfx::BColorModifierStack();
894 
895 					// paint mask to it (always with transparence intensities, evtl. with AA)
896 					process(rTransCandidate.getTransparence());
897 
898 					// back to old color stack
899 					maBColorModifierStack = aLastBColorModifierStack;
900 
901 					// back to old OutDev
902 					mpOutputDevice = pLastOutputDevice;
903 
904 					// dump buffer to outdev
905 					aBufferDevice.paint();
906 				}
907 			}
908 		}
909 
910 		// transform group.
911 		void VclProcessor2D::RenderTransformPrimitive2D(const primitive2d::TransformPrimitive2D& rTransformCandidate)
912 		{
913 			// remember current transformation and ViewInformation
914 			const basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);
915             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
916 
917 			// create new transformations for CurrentTransformation
918             // and for local ViewInformation2D
919 			maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();
920             const geometry::ViewInformation2D aViewInformation2D(
921                 getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
922                 getViewInformation2D().getViewTransformation(),
923                 getViewInformation2D().getViewport(),
924 				getViewInformation2D().getVisualizedPage(),
925                 getViewInformation2D().getViewTime(),
926 				getViewInformation2D().getExtendedInformationSequence());
927 			updateViewInformation(aViewInformation2D);
928 
929 			// proccess content
930 			process(rTransformCandidate.getChildren());
931 
932 			// restore transformations
933 			maCurrentTransformation = aLastCurrentTransformation;
934             updateViewInformation(aLastViewInformation2D);
935 		}
936 
937 		// new XDrawPage for ViewInformation2D
938 		void VclProcessor2D::RenderPagePreviewPrimitive2D(const primitive2d::PagePreviewPrimitive2D& rPagePreviewCandidate)
939 		{
940 			// remember current transformation and ViewInformation
941             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
942 
943 			// create new local ViewInformation2D
944             const geometry::ViewInformation2D aViewInformation2D(
945                 getViewInformation2D().getObjectTransformation(),
946                 getViewInformation2D().getViewTransformation(),
947                 getViewInformation2D().getViewport(),
948 				rPagePreviewCandidate.getXDrawPage(),
949                 getViewInformation2D().getViewTime(),
950 				getViewInformation2D().getExtendedInformationSequence());
951 			updateViewInformation(aViewInformation2D);
952 
953 			// proccess decomposed content
954 			process(rPagePreviewCandidate.get2DDecomposition(getViewInformation2D()));
955 
956 			// restore transformations
957             updateViewInformation(aLastViewInformation2D);
958 		}
959 
960 		// marker
961 		void VclProcessor2D::RenderMarkerArrayPrimitive2D(const primitive2d::MarkerArrayPrimitive2D& rMarkArrayCandidate)
962 		{
963             static bool bCheckCompleteMarkerDecompose(false);
964             if(bCheckCompleteMarkerDecompose)
965             {
966 			    process(rMarkArrayCandidate.get2DDecomposition(getViewInformation2D()));
967                 return;
968             }
969 
970 			// get data
971 	        const std::vector< basegfx::B2DPoint >& rPositions = rMarkArrayCandidate.getPositions();
972 			const sal_uInt32 nCount(rPositions.size());
973 
974 			if(nCount && !rMarkArrayCandidate.getMarker().IsEmpty())
975 			{
976 				// get pixel size
977 				const BitmapEx& rMarker(rMarkArrayCandidate.getMarker());
978 				const Size aBitmapSize(rMarker.GetSizePixel());
979 
980 				if(aBitmapSize.Width() && aBitmapSize.Height())
981 				{
982 					// get discrete half size
983 					const basegfx::B2DVector aDiscreteHalfSize(
984                         (aBitmapSize.getWidth() - 1.0) * 0.5,
985                         (aBitmapSize.getHeight() - 1.0) * 0.5);
986 			        const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
987 
988                     // do not forget evtl. moved origin in target device MapMode when
989                     // switching it off; it would be missing and lead to wrong positions.
990                     // All his could be done using logic sizes and coordinates, too, but
991                     // we want a 1:1 bitmap rendering here, so it's more safe and faster
992                     // to work with switching off MapMode usage completely.
993                     const Point aOrigin(mpOutputDevice->GetMapMode().GetOrigin());
994 
995                     mpOutputDevice->EnableMapMode(false);
996 
997 					for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
998 				    {
999 					    const basegfx::B2DPoint aDiscreteTopLeft((maCurrentTransformation * (*aIter)) - aDiscreteHalfSize);
1000                         const Point aDiscretePoint(basegfx::fround(aDiscreteTopLeft.getX()), basegfx::fround(aDiscreteTopLeft.getY()));
1001 
1002 						mpOutputDevice->DrawBitmapEx(aDiscretePoint + aOrigin, rMarker);
1003 					}
1004 
1005 			        mpOutputDevice->EnableMapMode(bWasEnabled);
1006 				}
1007 			}
1008 		}
1009 
1010 		// point
1011 		void VclProcessor2D::RenderPointArrayPrimitive2D(const primitive2d::PointArrayPrimitive2D& rPointArrayCandidate)
1012 		{
1013 			const std::vector< basegfx::B2DPoint >& rPositions = rPointArrayCandidate.getPositions();
1014 			const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(rPointArrayCandidate.getRGBColor()));
1015 			const Color aVCLColor(aRGBColor);
1016 
1017 			for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
1018 			{
1019 				const basegfx::B2DPoint aViewPosition(maCurrentTransformation * (*aIter));
1020 				const Point aPos(basegfx::fround(aViewPosition.getX()), basegfx::fround(aViewPosition.getY()));
1021 
1022 				mpOutputDevice->DrawPixel(aPos, aVCLColor);
1023 			}
1024 		}
1025 
1026 		void VclProcessor2D::RenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokeCandidate)
1027 		{
1028             // #i101491# method restructured to clearly use the DrawPolyLine
1029             // calls starting from a deined line width
1030 			const attribute::LineAttribute& rLineAttribute = rPolygonStrokeCandidate.getLineAttribute();
1031 			const double fLineWidth(rLineAttribute.getWidth());
1032 			bool bDone(false);
1033 
1034 			if(basegfx::fTools::more(fLineWidth, 0.0))
1035 			{
1036 				const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(fLineWidth, 0.0));
1037 				const double fDiscreteLineWidth(aDiscreteUnit.getLength());
1038 				const attribute::StrokeAttribute& rStrokeAttribute = rPolygonStrokeCandidate.getStrokeAttribute();
1039 				const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rLineAttribute.getColor()));
1040 				basegfx::B2DPolyPolygon aHairlinePolyPolygon;
1041 
1042 				mpOutputDevice->SetLineColor(Color(aHairlineColor));
1043 				mpOutputDevice->SetFillColor();
1044 
1045 				if(0.0 == rStrokeAttribute.getFullDotDashLen())
1046 				{
1047 					// no line dashing, just copy
1048 					aHairlinePolyPolygon.append(rPolygonStrokeCandidate.getB2DPolygon());
1049 				}
1050 				else
1051 				{
1052 					// else apply LineStyle
1053 					basegfx::tools::applyLineDashing(rPolygonStrokeCandidate.getB2DPolygon(),
1054 						rStrokeAttribute.getDotDashArray(),
1055 						&aHairlinePolyPolygon, 0, rStrokeAttribute.getFullDotDashLen());
1056 				}
1057 
1058 				const sal_uInt32 nCount(aHairlinePolyPolygon.count());
1059 
1060 				if(nCount)
1061 				{
1062                     const bool bAntiAliased(getOptionsDrawinglayer().IsAntiAliasing());
1063                     aHairlinePolyPolygon.transform(maCurrentTransformation);
1064 
1065                     if(bAntiAliased)
1066                     {
1067                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.0))
1068                         {
1069                             // line in range ]0.0 .. 1.0[
1070                             // paint as simple hairline
1071                             for(sal_uInt32 a(0); a < nCount; a++)
1072                             {
1073                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1074                             }
1075 
1076                             bDone = true;
1077                         }
1078                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.0))
1079                         {
1080                             // line in range [1.0 .. 2.0[
1081                             // paint as 2x2 with dynamic line distance
1082                             basegfx::B2DHomMatrix aMat;
1083                             const double fDistance(fDiscreteLineWidth - 1.0);
1084                             const double fHalfDistance(fDistance * 0.5);
1085 
1086                             for(sal_uInt32 a(0); a < nCount; a++)
1087                             {
1088                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1089 
1090                                 aMat.set(0, 2, -fHalfDistance);
1091                                 aMat.set(1, 2, -fHalfDistance);
1092                                 aCandidate.transform(aMat);
1093                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1094 
1095                                 aMat.set(0, 2, fDistance);
1096                                 aMat.set(1, 2, 0.0);
1097                                 aCandidate.transform(aMat);
1098                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1099 
1100                                 aMat.set(0, 2, 0.0);
1101                                 aMat.set(1, 2, fDistance);
1102                                 aCandidate.transform(aMat);
1103                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1104 
1105                                 aMat.set(0, 2, -fDistance);
1106                                 aMat.set(1, 2, 0.0);
1107                                 aCandidate.transform(aMat);
1108                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1109                             }
1110 
1111                             bDone = true;
1112                         }
1113                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 3.0))
1114                         {
1115                             // line in range [2.0 .. 3.0]
1116                             // paint as cross in a 3x3  with dynamic line distance
1117                             basegfx::B2DHomMatrix aMat;
1118                             const double fDistance((fDiscreteLineWidth - 1.0) * 0.5);
1119 
1120                             for(sal_uInt32 a(0); a < nCount; a++)
1121                             {
1122                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1123 
1124                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1125 
1126                                 aMat.set(0, 2, -fDistance);
1127                                 aMat.set(1, 2, 0.0);
1128                                 aCandidate.transform(aMat);
1129                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1130 
1131                                 aMat.set(0, 2, fDistance);
1132                                 aMat.set(1, 2, -fDistance);
1133                                 aCandidate.transform(aMat);
1134                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1135 
1136                                 aMat.set(0, 2, fDistance);
1137                                 aMat.set(1, 2, fDistance);
1138                                 aCandidate.transform(aMat);
1139                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1140 
1141                                 aMat.set(0, 2, -fDistance);
1142                                 aMat.set(1, 2, fDistance);
1143                                 aCandidate.transform(aMat);
1144                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1145                             }
1146 
1147                             bDone = true;
1148                         }
1149                         else
1150                         {
1151                             // #i101491# line width above 3.0
1152                         }
1153                     }
1154                     else
1155                     {
1156                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.5))
1157                         {
1158                             // line width below 1.5, draw the basic hairline polygon
1159                             for(sal_uInt32 a(0); a < nCount; a++)
1160                             {
1161                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1162                             }
1163 
1164                             bDone = true;
1165                         }
1166                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.5))
1167                         {
1168                             // line width is in range ]1.5 .. 2.5], use four hairlines
1169                             // drawn in a square
1170                             for(sal_uInt32 a(0); a < nCount; a++)
1171                             {
1172                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1173                                 basegfx::B2DHomMatrix aMat;
1174 
1175                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1176 
1177                                 aMat.set(0, 2, 1.0);
1178                                 aMat.set(1, 2, 0.0);
1179                                 aCandidate.transform(aMat);
1180 
1181                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1182 
1183                                 aMat.set(0, 2, 0.0);
1184                                 aMat.set(1, 2, 1.0);
1185                                 aCandidate.transform(aMat);
1186 
1187                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1188 
1189                                 aMat.set(0, 2, -1.0);
1190                                 aMat.set(1, 2, 0.0);
1191                                 aCandidate.transform(aMat);
1192 
1193                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1194                             }
1195 
1196                             bDone = true;
1197                         }
1198                         else
1199                         {
1200                             // #i101491# line width is above 2.5
1201                         }
1202                     }
1203 
1204                     if(!bDone && rPolygonStrokeCandidate.getB2DPolygon().count() > 1000)
1205                     {
1206                         // #i101491# If the polygon complexity uses more than a given amount, do
1207                         // use OuputDevice::DrawPolyLine directly; this will avoid buffering all
1208                         // decompositions in primtives (memory) and fallback to old line painting
1209                         // for very complex polygons, too
1210                         for(sal_uInt32 a(0); a < nCount; a++)
1211                         {
1212                             mpOutputDevice->DrawPolyLine(
1213                                 aHairlinePolyPolygon.getB2DPolygon(a),
1214                                 fDiscreteLineWidth,
1215                                 rLineAttribute.getLineJoin(),
1216                                 rLineAttribute.getLineCap());
1217                         }
1218 
1219                         bDone = true;
1220                     }
1221                 }
1222             }
1223 
1224 			if(!bDone)
1225             {
1226                 // remeber that we enter a PolygonStrokePrimitive2D decomposition,
1227                 // used for AA thick line drawing
1228                 mnPolygonStrokePrimitive2D++;
1229 
1230                 // line width is big enough for standard filled polygon visualisation or zero
1231 				process(rPolygonStrokeCandidate.get2DDecomposition(getViewInformation2D()));
1232 
1233                 // leave PolygonStrokePrimitive2D
1234                 mnPolygonStrokePrimitive2D--;
1235             }
1236 		}
1237 
1238         void VclProcessor2D::RenderEpsPrimitive2D(const primitive2d::EpsPrimitive2D& rEpsPrimitive2D)
1239         {
1240             // The new decomposition of Metafiles made it necessary to add an Eps
1241             // primitive to handle embedded Eps data. On some devices, this can be
1242             // painted directly (mac, printer).
1243             // To be able to handle the replacement correctly, i need to handle it myself
1244             // since DrawEPS will not be able e.g. to rotate the replacement. To be able
1245             // to do that, i added a boolean return to OutputDevice::DrawEPS(..)
1246             // to know when EPS was handled directly already.
1247 			basegfx::B2DRange aRange(0.0, 0.0, 1.0, 1.0);
1248             aRange.transform(maCurrentTransformation * rEpsPrimitive2D.getEpsTransform());
1249 
1250             if(!aRange.isEmpty())
1251             {
1252                 const Rectangle aRectangle(
1253 				    (sal_Int32)floor(aRange.getMinX()), (sal_Int32)floor(aRange.getMinY()),
1254 				    (sal_Int32)ceil(aRange.getMaxX()), (sal_Int32)ceil(aRange.getMaxY()));
1255 
1256                 if(!aRectangle.IsEmpty())
1257                 {
1258                     // try to paint EPS directly without fallback visualisation
1259                     const bool bEPSPaintedDirectly(mpOutputDevice->DrawEPS(
1260                         aRectangle.TopLeft(),
1261                         aRectangle.GetSize(),
1262                         rEpsPrimitive2D.getGfxLink(),
1263                         0));
1264 
1265                     if(!bEPSPaintedDirectly)
1266                     {
1267                         // use the decomposition which will correctly handle the
1268                         // fallback visualisation using full transformation (e.g. rotation)
1269         				process(rEpsPrimitive2D.get2DDecomposition(getViewInformation2D()));
1270                     }
1271                 }
1272             }
1273         }
1274 
1275         void VclProcessor2D::RenderSvgLinearAtomPrimitive2D(const primitive2d::SvgLinearAtomPrimitive2D& rCandidate)
1276         {
1277             const double fDelta(rCandidate.getOffsetB() - rCandidate.getOffsetA());
1278 
1279             if(basegfx::fTools::more(fDelta, 0.0))
1280             {
1281                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1282                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1283 
1284                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1285                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1286                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1287 
1288                 // use color distance and discrete lengths to calculate step count
1289                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDelta, fDiscreteUnit));
1290 
1291                 // switch off line painting
1292                 mpOutputDevice->SetLineColor();
1293 
1294                 // prepare polygon in needed width at start position (with discrete overlap)
1295                 const basegfx::B2DPolygon aPolygon(
1296                     basegfx::tools::createPolygonFromRect(
1297                         basegfx::B2DRange(
1298                             rCandidate.getOffsetA() - fDiscreteUnit,
1299                             0.0,
1300                             rCandidate.getOffsetA() + (fDelta / nSteps) + fDiscreteUnit,
1301                             1.0)));
1302 
1303 
1304                 // prepare loop ([0.0 .. 1.0[)
1305                 double fUnitScale(0.0);
1306                 const double fUnitStep(1.0 / nSteps);
1307 
1308                 // loop and paint
1309                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1310                 {
1311                     basegfx::B2DPolygon aNew(aPolygon);
1312 
1313                     aNew.transform(maCurrentTransformation * basegfx::tools::createTranslateB2DHomMatrix(fDelta * fUnitScale, 0.0));
1314                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorA, aColorB, fUnitScale)));
1315                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1316                 }
1317             }
1318         }
1319 
1320         void VclProcessor2D::RenderSvgRadialAtomPrimitive2D(const primitive2d::SvgRadialAtomPrimitive2D& rCandidate)
1321         {
1322             const double fDeltaScale(rCandidate.getScaleB() - rCandidate.getScaleA());
1323 
1324             if(basegfx::fTools::more(fDeltaScale, 0.0))
1325             {
1326                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1327                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1328 
1329                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1330                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1331                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1332 
1333                 // use color distance and discrete lengths to calculate step count
1334                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDeltaScale, fDiscreteUnit));
1335 
1336                 // switch off line painting
1337                 mpOutputDevice->SetLineColor();
1338 
1339                 // prepare loop ([0.0 .. 1.0[, full polygons, no polypolygons with holes)
1340                 double fUnitScale(0.0);
1341                 const double fUnitStep(1.0 / nSteps);
1342 
1343                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1344                 {
1345                     basegfx::B2DHomMatrix aTransform;
1346                     const double fEndScale(rCandidate.getScaleB() - (fDeltaScale * fUnitScale));
1347 
1348                     if(rCandidate.isTranslateSet())
1349                     {
1350                         const basegfx::B2DVector aTranslate(
1351                             basegfx::interpolate(
1352                                 rCandidate.getTranslateB(),
1353                                 rCandidate.getTranslateA(),
1354                                 fUnitScale));
1355 
1356                         aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
1357                             fEndScale,
1358                             fEndScale,
1359                             aTranslate.getX(),
1360                             aTranslate.getY());
1361                     }
1362                     else
1363                     {
1364                         aTransform = basegfx::tools::createScaleB2DHomMatrix(
1365                             fEndScale,
1366                             fEndScale);
1367                     }
1368 
1369                     basegfx::B2DPolygon aNew(basegfx::tools::createPolygonFromUnitCircle());
1370 
1371                     aNew.transform(maCurrentTransformation * aTransform);
1372                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorB, aColorA, fUnitScale)));
1373                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1374                 }
1375             }
1376         }
1377 
1378 		void VclProcessor2D::adaptLineToFillDrawMode() const
1379 		{
1380 			const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1381 
1382 			if(nOriginalDrawMode & (DRAWMODE_BLACKLINE|DRAWMODE_GRAYLINE|DRAWMODE_GHOSTEDLINE|DRAWMODE_WHITELINE|DRAWMODE_SETTINGSLINE))
1383 			{
1384 				sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1385 
1386 				if(nOriginalDrawMode & DRAWMODE_BLACKLINE)
1387 				{
1388 					nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1389 				}
1390 				else
1391 				{
1392 					nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1393 				}
1394 
1395 				if(nOriginalDrawMode & DRAWMODE_GRAYLINE)
1396 				{
1397 					nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1398 				}
1399 				else
1400 				{
1401 					nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1402 				}
1403 
1404 				if(nOriginalDrawMode & DRAWMODE_GHOSTEDLINE)
1405 				{
1406 					nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1407 				}
1408 				else
1409 				{
1410 					nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1411 				}
1412 
1413 				if(nOriginalDrawMode & DRAWMODE_WHITELINE)
1414 				{
1415 					nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1416 				}
1417 				else
1418 				{
1419 					nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1420 				}
1421 
1422 				if(nOriginalDrawMode & DRAWMODE_SETTINGSLINE)
1423 				{
1424 					nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1425 				}
1426 				else
1427 				{
1428 					nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1429 				}
1430 
1431 				mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1432 			}
1433 		}
1434 
1435 		void VclProcessor2D::adaptTextToFillDrawMode() const
1436 		{
1437 			const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1438 			if(nOriginalDrawMode & (DRAWMODE_BLACKTEXT|DRAWMODE_GRAYTEXT|DRAWMODE_GHOSTEDTEXT|DRAWMODE_WHITETEXT|DRAWMODE_SETTINGSTEXT))
1439 			{
1440 				sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1441 
1442 				if(nOriginalDrawMode & DRAWMODE_BLACKTEXT)
1443 				{
1444 					nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1445 				}
1446 				else
1447 				{
1448 					nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1449 				}
1450 
1451 				if(nOriginalDrawMode & DRAWMODE_GRAYTEXT)
1452 				{
1453 					nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1454 				}
1455 				else
1456 				{
1457 					nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1458 				}
1459 
1460 				if(nOriginalDrawMode & DRAWMODE_GHOSTEDTEXT)
1461 				{
1462 					nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1463 				}
1464 				else
1465 				{
1466 					nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1467 				}
1468 
1469 				if(nOriginalDrawMode & DRAWMODE_WHITETEXT)
1470 				{
1471 					nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1472 				}
1473 				else
1474 				{
1475 					nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1476 				}
1477 
1478 				if(nOriginalDrawMode & DRAWMODE_SETTINGSTEXT)
1479 				{
1480 					nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1481 				}
1482 				else
1483 				{
1484 					nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1485 				}
1486 
1487 				mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1488 			}
1489 		}
1490 
1491 		//////////////////////////////////////////////////////////////////////////////
1492 		// process support
1493 
1494 		VclProcessor2D::VclProcessor2D(
1495 			const geometry::ViewInformation2D& rViewInformation,
1496 			OutputDevice& rOutDev)
1497 		:	BaseProcessor2D(rViewInformation),
1498 			mpOutputDevice(&rOutDev),
1499 			maBColorModifierStack(),
1500 			maCurrentTransformation(),
1501 			maDrawinglayerOpt(),
1502             mnPolygonStrokePrimitive2D(0)
1503 		{
1504             // set digit language, derived from SvtCTLOptions to have the correct
1505             // number display for arabic/hindi numerals
1506             const SvtCTLOptions aSvtCTLOptions;
1507             LanguageType eLang(LANGUAGE_SYSTEM);
1508 
1509             if(SvtCTLOptions::NUMERALS_HINDI == aSvtCTLOptions.GetCTLTextNumerals())
1510             {
1511                 eLang = LANGUAGE_ARABIC_SAUDI_ARABIA;
1512             }
1513             else if(SvtCTLOptions::NUMERALS_ARABIC == aSvtCTLOptions.GetCTLTextNumerals())
1514             {
1515                 eLang = LANGUAGE_ENGLISH;
1516             }
1517             else
1518             {
1519                 eLang = (LanguageType)Application::GetSettings().GetLanguage();
1520             }
1521 
1522             rOutDev.SetDigitLanguage(eLang);
1523 		}
1524 
1525 		VclProcessor2D::~VclProcessor2D()
1526 		{
1527 		}
1528 	} // end of namespace processor2d
1529 } // end of namespace drawinglayer
1530 
1531 //////////////////////////////////////////////////////////////////////////////
1532 // eof
1533