xref: /trunk/main/drawinglayer/source/processor2d/vclprocessor2d.cxx (revision 4e029197008967ce5c9c8cabf12cf630519b6ded)
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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