xref: /trunk/main/drawinglayer/source/processor2d/vclprocessor2d.cxx (revision 8ffc68d8bb75ceae0abd6aa14193d559ff93dd4b)
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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                 AlphaMask aMaskBmp( aContent.GetSizePixel());
427                 aMaskBmp.Erase( 0);
428 #else
429                 Bitmap aMaskBmp( aContent.GetSizePixel(), 1);
430                 aMaskBmp.Erase(Color(COL_BLACK)); // #122758# Initialize to non-transparent
431 #endif
432                 aBitmapEx = BitmapEx(aContent, aMaskBmp);
433             }
434 
435             // draw using OutputDevice'sDrawTransformedBitmapEx
436             mpOutputDevice->DrawTransformedBitmapEx(aLocalTransform, aBitmapEx);
437         }
438 
439         void VclProcessor2D::RenderFillGraphicPrimitive2D(const primitive2d::FillGraphicPrimitive2D& rFillBitmapCandidate)
440         {
441             const attribute::FillGraphicAttribute& rFillGraphicAttribute(rFillBitmapCandidate.getFillGraphic());
442             bool bPrimitiveAccepted(false);
443             static bool bTryTilingDirect = true;
444 
445             // #121194# when tiling is used and content is bitmap-based, do direct tiling in the
446             // renderer on pixel base to ensure tight fitting. Do not do this when
447             // the fill is rotated or sheared.
448 
449             // ovveride static bool (for debug) and tiling is active
450             if(bTryTilingDirect && rFillGraphicAttribute.getTiling())
451             {
452                 // content is bitmap(ex)
453                 //
454                 // for SVG support, force decomposition when SVG is present. This will lead to use
455                 // the primitive representation of the svg directly.
456                 //
457                 // when graphic is animated, force decomposition to use the correct graphic, else
458                 // fill style will not be animated
459                 if(GRAPHIC_BITMAP == rFillGraphicAttribute.getGraphic().GetType()
460                     && !rFillGraphicAttribute.getGraphic().getSvgData().get()
461                     && !rFillGraphicAttribute.getGraphic().IsAnimated())
462                 {
463                     // decompose matrix to check for shear, rotate and mirroring
464                     basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rFillBitmapCandidate.getTransformation());
465                     basegfx::B2DVector aScale, aTranslate;
466                     double fRotate, fShearX;
467                     aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);
468 
469                     // when nopt rotated/sheared
470                     if(basegfx::fTools::equalZero(fRotate) && basegfx::fTools::equalZero(fShearX))
471                     {
472                         // no shear or rotate, draw direct in pixel coordinates
473                         bPrimitiveAccepted = true;
474 
475                         // transform object range to device coordinates (pixels). Use
476                         // the device transformation for better accuracy
477                         basegfx::B2DRange aObjectRange(aTranslate, aTranslate + aScale);
478                         aObjectRange.transform(mpOutputDevice->GetViewTransformation());
479 
480                         // extract discrete size of object
481                         const sal_Int32 nOWidth(basegfx::fround(aObjectRange.getWidth()));
482                         const sal_Int32 nOHeight(basegfx::fround(aObjectRange.getHeight()));
483 
484                         // only do something when object has a size in discrete units
485                         if(nOWidth > 0 && nOHeight > 0)
486                         {
487                             // transform graphic range to device coordinates (pixels). Use
488                             // the device transformation for better accuracy
489                             basegfx::B2DRange aGraphicRange(rFillGraphicAttribute.getGraphicRange());
490                             aGraphicRange.transform(mpOutputDevice->GetViewTransformation() * aLocalTransform);
491 
492                             // extract discrete size of graphic
493                             const sal_Int32 nBWidth(basegfx::fround(aGraphicRange.getWidth()));
494                             const sal_Int32 nBHeight(basegfx::fround(aGraphicRange.getHeight()));
495 
496                             // only do something when bitmap fill has a size in discrete units
497                             if(nBWidth > 0 && nBHeight > 0)
498                             {
499                                 // nBWidth, nBHeight is the pixel size of the neede bitmap. To not need to scale it
500                                 // in vcl many times, create a size-optimized version
501                                 const Size aNeededBitmapSizePixel(nBWidth, nBHeight);
502                                 BitmapEx aBitmapEx(rFillGraphicAttribute.getGraphic().GetBitmapEx());
503                                 static bool bEnablePreScaling(true);
504                                 const bool bPreScaled(bEnablePreScaling && nBWidth * nBHeight < (250 * 250));
505 
506                                 if(bPreScaled)
507                                 {
508                                     // ... but only up to a maximum size, else it gets too expensive
509                                     aBitmapEx.Scale(aNeededBitmapSizePixel, BMP_SCALE_INTERPOLATE);
510                                 }
511 
512                                 bool bPainted(false);
513 
514                                 if(maBColorModifierStack.count())
515                                 {
516                                     // when color modifier, apply to bitmap
517                                     aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
518 
519                                     // impModifyBitmapEx uses empty bitmap as sign to return that
520                                     // the content will be completely replaced to mono color, use shortcut
521                                     if(aBitmapEx.IsEmpty())
522                                     {
523                                         // color gets completely replaced, get it
524                                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
525                                         basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
526                                         aPolygon.transform(aLocalTransform);
527 
528                                         mpOutputDevice->SetFillColor(Color(aModifiedColor));
529                                         mpOutputDevice->SetLineColor();
530                                         mpOutputDevice->DrawPolygon(aPolygon);
531 
532                                         bPainted = true;
533                                     }
534                                 }
535 
536                                 if(!bPainted)
537                                 {
538                                     sal_Int32 nBLeft(basegfx::fround(aGraphicRange.getMinX()));
539                                     sal_Int32 nBTop(basegfx::fround(aGraphicRange.getMinY()));
540                                     const sal_Int32 nOLeft(basegfx::fround(aObjectRange.getMinX()));
541                                     const sal_Int32 nOTop(basegfx::fround(aObjectRange.getMinY()));
542                                     sal_Int32 nPosX(0);
543                                     sal_Int32 nPosY(0);
544 
545                                     if(nBLeft > nOLeft)
546                                     {
547                                         const sal_Int32 nDiff((nBLeft / nBWidth) + 1);
548 
549                                         nPosX -= nDiff;
550                                         nBLeft -= nDiff * nBWidth;
551                                     }
552 
553                                     if(nBLeft + nBWidth <= nOLeft)
554                                     {
555                                         const sal_Int32 nDiff(-nBLeft / nBWidth);
556 
557                                         nPosX += nDiff;
558                                         nBLeft += nDiff * nBWidth;
559                                     }
560 
561                                     if(nBTop > nOTop)
562                                     {
563                                         const sal_Int32 nDiff((nBTop / nBHeight) + 1);
564 
565                                         nPosY -= nDiff;
566                                         nBTop -= nDiff * nBHeight;
567                                     }
568 
569                                     if(nBTop + nBHeight <= nOTop)
570                                     {
571                                         const sal_Int32 nDiff(-nBTop / nBHeight);
572 
573                                         nPosY += nDiff;
574                                         nBTop += nDiff * nBHeight;
575                                     }
576 
577                                     // prepare OutDev
578                                     const Point aEmptyPoint(0, 0);
579                                     const Rectangle aVisiblePixel(aEmptyPoint, mpOutputDevice->GetOutputSizePixel());
580                                     const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
581                                     mpOutputDevice->EnableMapMode(false);
582 
583                                     // check if offset is used
584                                     const sal_Int32 nOffsetX(basegfx::fround(rFillGraphicAttribute.getOffsetX() * nBWidth));
585 
586                                     if(nOffsetX)
587                                     {
588                                         // offset in X, so iterate over Y first and draw lines
589                                         for(sal_Int32 nYPos(nBTop); nYPos < nOTop + nOHeight; nYPos += nBHeight, nPosY++)
590                                         {
591                                             for(sal_Int32 nXPos(nPosY % 2 ? nBLeft - nBWidth + nOffsetX : nBLeft);
592                                                 nXPos < nOLeft + nOWidth; nXPos += nBWidth)
593                                             {
594                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
595 
596                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
597                                                 {
598                                                     if(bPreScaled)
599                                                     {
600                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
601                                                     }
602                                                     else
603                                                     {
604                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
605                                                     }
606                                                 }
607                                             }
608                                         }
609                                     }
610                                     else
611                                     {
612                                         // check if offset is used
613                                         const sal_Int32 nOffsetY(basegfx::fround(rFillGraphicAttribute.getOffsetY() * nBHeight));
614 
615                                         // possible offset in Y, so iterate over X first and draw columns
616                                         for(sal_Int32 nXPos(nBLeft); nXPos < nOLeft + nOWidth; nXPos += nBWidth, nPosX++)
617                                         {
618                                             for(sal_Int32 nYPos(nPosX % 2 ? nBTop - nBHeight + nOffsetY : nBTop);
619                                                 nYPos < nOTop + nOHeight; nYPos += nBHeight)
620                                             {
621                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
622 
623                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
624                                                 {
625                                                     if(bPreScaled)
626                                                     {
627                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
628                                                     }
629                                                     else
630                                                     {
631                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
632                                                     }
633                                                 }
634                                             }
635                                         }
636                                     }
637 
638                                     // restore OutDev
639                                     mpOutputDevice->EnableMapMode(bWasEnabled);
640                                 }
641                             }
642                         }
643                     }
644                 }
645             }
646 
647             if(!bPrimitiveAccepted)
648             {
649                 // do not accept, use decomposition
650                 process(rFillBitmapCandidate.get2DDecomposition(getViewInformation2D()));
651             }
652         }
653 
654         // direct draw of Graphic
655         void VclProcessor2D::RenderPolyPolygonGraphicPrimitive2D(const primitive2d::PolyPolygonGraphicPrimitive2D& rPolygonCandidate)
656         {
657             bool bDone(false);
658             const basegfx::B2DPolyPolygon& rPolyPolygon = rPolygonCandidate.getB2DPolyPolygon();
659 
660             // #121194# Todo: check if this works
661             if(!rPolyPolygon.count())
662             {
663                 // empty polyPolygon, done
664                 bDone = true;
665             }
666             else
667             {
668                 const attribute::FillGraphicAttribute& rFillGraphicAttribute = rPolygonCandidate.getFillGraphic();
669 
670                 // try to catch cases where the graphic will be color-modified to a single
671                 // color (e.g. shadow)
672                 switch(rFillGraphicAttribute.getGraphic().GetType())
673                 {
674                     case GRAPHIC_GDIMETAFILE:
675                     {
676                         // metafiles are potentially transparent, cannot optimize�, not done
677                         break;
678                     }
679                     case GRAPHIC_BITMAP:
680                     {
681                         if(!rFillGraphicAttribute.getGraphic().IsTransparent() && !rFillGraphicAttribute.getGraphic().IsAlpha())
682                         {
683                             // bitmap is not transparent and has no alpha
684                             const sal_uInt32 nBColorModifierStackCount(maBColorModifierStack.count());
685 
686                             if(nBColorModifierStackCount)
687                             {
688                                 const basegfx::BColorModifier& rTopmostModifier = maBColorModifierStack.getBColorModifier(nBColorModifierStackCount - 1);
689 
690                                 if(basegfx::BCOLORMODIFYMODE_REPLACE == rTopmostModifier.getMode())
691                                 {
692                                     // the bitmap fill is in unified color, so we can replace it with
693                                     // a single polygon fill. The form of the fill depends on tiling
694                                     if(rFillGraphicAttribute.getTiling())
695                                     {
696                                         // with tiling, fill the whole PolyPolygon with the modifier color
697                                         basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolyPolygon);
698 
699                                         aLocalPolyPolygon.transform(maCurrentTransformation);
700                                         mpOutputDevice->SetLineColor();
701                                         mpOutputDevice->SetFillColor(Color(rTopmostModifier.getBColor()));
702                                         mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
703                                     }
704                                     else
705                                     {
706                                         // without tiling, only the area common to the bitmap tile and the
707                                         // PolyPolygon is filled. Create the bitmap tile area in object
708                                         // coordinates. For this, the object transformation needs to be created
709                                         // from the already scaled PolyPolygon. The tile area in object
710                                         // coordinates wil always be non-rotated, so it's not necessary to
711                                         // work with a polygon here
712                                         basegfx::B2DRange aTileRange(rFillGraphicAttribute.getGraphicRange());
713                                         const basegfx::B2DRange aPolyPolygonRange(rPolyPolygon.getB2DRange());
714                                         const basegfx::B2DHomMatrix aNewObjectTransform(
715                                             basegfx::tools::createScaleTranslateB2DHomMatrix(
716                                                 aPolyPolygonRange.getRange(),
717                                                 aPolyPolygonRange.getMinimum()));
718 
719                                         aTileRange.transform(aNewObjectTransform);
720 
721                                         // now clip the object polyPolygon against the tile range
722                                         // to get the common area
723                                         basegfx::B2DPolyPolygon aTarget = basegfx::tools::clipPolyPolygonOnRange(
724                                             rPolyPolygon,
725                                             aTileRange,
726                                             true,
727                                             false);
728 
729                                         if(aTarget.count())
730                                         {
731                                             aTarget.transform(maCurrentTransformation);
732                                             mpOutputDevice->SetLineColor();
733                                             mpOutputDevice->SetFillColor(Color(rTopmostModifier.getBColor()));
734                                             mpOutputDevice->DrawPolyPolygon(aTarget);
735                                         }
736                                     }
737 
738                                     // simplified output executed, we are done
739                                     bDone = true;
740                                 }
741                             }
742                         }
743                         break;
744                     }
745                     default: //GRAPHIC_NONE, GRAPHIC_DEFAULT
746                     {
747                         // empty graphic, we are done
748                         bDone = true;
749                         break;
750                     }
751                 }
752             }
753 
754             if(!bDone)
755             {
756                 // use default decomposition
757                 process(rPolygonCandidate.get2DDecomposition(getViewInformation2D()));
758             }
759         }
760 
761         // mask group. Force output to VDev and create mask from given mask
762         void VclProcessor2D::RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D& rMaskCandidate)
763         {
764             if(rMaskCandidate.getChildren().hasElements())
765             {
766                 basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
767 
768                 if(aMask.count())
769                 {
770                     aMask.transform(maCurrentTransformation);
771                     const basegfx::B2DRange aRange(basegfx::tools::getRange(aMask));
772                     impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
773 
774                     if(aBufferDevice.isVisible())
775                     {
776                         // remember last OutDev and set to content
777                         OutputDevice* pLastOutputDevice = mpOutputDevice;
778                         mpOutputDevice = &aBufferDevice.getContent();
779 
780                         // paint to it
781                         process(rMaskCandidate.getChildren());
782 
783                         // back to old OutDev
784                         mpOutputDevice = pLastOutputDevice;
785 
786                         // draw mask
787                         if(getOptionsDrawinglayer().IsAntiAliasing())
788                         {
789                             // with AA, use 8bit AlphaMask to get nice borders
790                             VirtualDevice& rTransparence = aBufferDevice.getTransparence();
791                             rTransparence.SetLineColor();
792                             rTransparence.SetFillColor(COL_BLACK);
793                             rTransparence.DrawPolyPolygon(aMask);
794 
795                             // dump buffer to outdev
796                             aBufferDevice.paint();
797                         }
798                         else
799                         {
800                             // No AA, use 1bit mask
801                             VirtualDevice& rMask = aBufferDevice.getMask();
802                             rMask.SetLineColor();
803                             rMask.SetFillColor(COL_BLACK);
804                             rMask.DrawPolyPolygon(aMask);
805 
806                             // dump buffer to outdev
807                             aBufferDevice.paint();
808                         }
809                     }
810                 }
811             }
812         }
813 
814         // modified color group. Force output to unified color.
815         void VclProcessor2D::RenderModifiedColorPrimitive2D(const primitive2d::ModifiedColorPrimitive2D& rModifiedCandidate)
816         {
817             if(rModifiedCandidate.getChildren().hasElements())
818             {
819                 maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
820                 process(rModifiedCandidate.getChildren());
821                 maBColorModifierStack.pop();
822             }
823         }
824 
825         // unified sub-transparence. Draw to VDev first.
826         void VclProcessor2D::RenderUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D& rTransCandidate)
827         {
828             static bool bForceToDecomposition(false);
829 
830             if(rTransCandidate.getChildren().hasElements())
831             {
832                 if(bForceToDecomposition)
833                 {
834                     // use decomposition
835                     process(rTransCandidate.get2DDecomposition(getViewInformation2D()));
836                 }
837                 else
838                 {
839                     if(0.0 == rTransCandidate.getTransparence())
840                     {
841                         // no transparence used, so just use the content
842                         process(rTransCandidate.getChildren());
843                     }
844                     else if(rTransCandidate.getTransparence() > 0.0 && rTransCandidate.getTransparence() < 1.0)
845                     {
846                         // transparence is in visible range
847                         basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
848                         aRange.transform(maCurrentTransformation);
849                         impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
850 
851                         if(aBufferDevice.isVisible())
852                         {
853                             // remember last OutDev and set to content
854                             OutputDevice* pLastOutputDevice = mpOutputDevice;
855                             mpOutputDevice = &aBufferDevice.getContent();
856 
857                             // paint content to it
858                             process(rTransCandidate.getChildren());
859 
860                             // back to old OutDev
861                             mpOutputDevice = pLastOutputDevice;
862 
863                             // dump buffer to outdev using given transparence
864                             aBufferDevice.paint(rTransCandidate.getTransparence());
865                         }
866                     }
867                 }
868             }
869         }
870 
871         // sub-transparence group. Draw to VDev first.
872         void VclProcessor2D::RenderTransparencePrimitive2D(const primitive2d::TransparencePrimitive2D& rTransCandidate)
873         {
874             if(rTransCandidate.getChildren().hasElements())
875             {
876                 basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
877                 aRange.transform(maCurrentTransformation);
878                 impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
879 
880                 if(aBufferDevice.isVisible())
881                 {
882                     // remember last OutDev and set to content
883                     OutputDevice* pLastOutputDevice = mpOutputDevice;
884                     mpOutputDevice = &aBufferDevice.getContent();
885 
886                     // paint content to it
887                     process(rTransCandidate.getChildren());
888 
889                     // set to mask
890                     mpOutputDevice = &aBufferDevice.getTransparence();
891 
892                     // when painting transparence masks, reset the color stack
893                     basegfx::BColorModifierStack aLastBColorModifierStack(maBColorModifierStack);
894                     maBColorModifierStack = basegfx::BColorModifierStack();
895 
896                     // paint mask to it (always with transparence intensities, evtl. with AA)
897                     process(rTransCandidate.getTransparence());
898 
899                     // back to old color stack
900                     maBColorModifierStack = aLastBColorModifierStack;
901 
902                     // back to old OutDev
903                     mpOutputDevice = pLastOutputDevice;
904 
905                     // dump buffer to outdev
906                     aBufferDevice.paint();
907                 }
908             }
909         }
910 
911         // transform group.
912         void VclProcessor2D::RenderTransformPrimitive2D(const primitive2d::TransformPrimitive2D& rTransformCandidate)
913         {
914             // remember current transformation and ViewInformation
915             const basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);
916             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
917 
918             // create new transformations for CurrentTransformation
919             // and for local ViewInformation2D
920             maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();
921             const geometry::ViewInformation2D aViewInformation2D(
922                 getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
923                 getViewInformation2D().getViewTransformation(),
924                 getViewInformation2D().getViewport(),
925                 getViewInformation2D().getVisualizedPage(),
926                 getViewInformation2D().getViewTime(),
927                 getViewInformation2D().getExtendedInformationSequence());
928             updateViewInformation(aViewInformation2D);
929 
930             // proccess content
931             process(rTransformCandidate.getChildren());
932 
933             // restore transformations
934             maCurrentTransformation = aLastCurrentTransformation;
935             updateViewInformation(aLastViewInformation2D);
936         }
937 
938         // new XDrawPage for ViewInformation2D
939         void VclProcessor2D::RenderPagePreviewPrimitive2D(const primitive2d::PagePreviewPrimitive2D& rPagePreviewCandidate)
940         {
941             // remember current transformation and ViewInformation
942             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
943 
944             // create new local ViewInformation2D
945             const geometry::ViewInformation2D aViewInformation2D(
946                 getViewInformation2D().getObjectTransformation(),
947                 getViewInformation2D().getViewTransformation(),
948                 getViewInformation2D().getViewport(),
949                 rPagePreviewCandidate.getXDrawPage(),
950                 getViewInformation2D().getViewTime(),
951                 getViewInformation2D().getExtendedInformationSequence());
952             updateViewInformation(aViewInformation2D);
953 
954             // proccess decomposed content
955             process(rPagePreviewCandidate.get2DDecomposition(getViewInformation2D()));
956 
957             // restore transformations
958             updateViewInformation(aLastViewInformation2D);
959         }
960 
961         // marker
962         void VclProcessor2D::RenderMarkerArrayPrimitive2D(const primitive2d::MarkerArrayPrimitive2D& rMarkArrayCandidate)
963         {
964             static bool bCheckCompleteMarkerDecompose(false);
965             if(bCheckCompleteMarkerDecompose)
966             {
967                 process(rMarkArrayCandidate.get2DDecomposition(getViewInformation2D()));
968                 return;
969             }
970 
971             // get data
972             const std::vector< basegfx::B2DPoint >& rPositions = rMarkArrayCandidate.getPositions();
973             const sal_uInt32 nCount(rPositions.size());
974 
975             if(nCount && !rMarkArrayCandidate.getMarker().IsEmpty())
976             {
977                 // get pixel size
978                 const BitmapEx& rMarker(rMarkArrayCandidate.getMarker());
979                 const Size aBitmapSize(rMarker.GetSizePixel());
980 
981                 if(aBitmapSize.Width() && aBitmapSize.Height())
982                 {
983                     // get discrete half size
984                     const basegfx::B2DVector aDiscreteHalfSize(
985                         (aBitmapSize.getWidth() - 1.0) * 0.5,
986                         (aBitmapSize.getHeight() - 1.0) * 0.5);
987                     const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
988 
989                     // do not forget evtl. moved origin in target device MapMode when
990                     // switching it off; it would be missing and lead to wrong positions.
991                     // All his could be done using logic sizes and coordinates, too, but
992                     // we want a 1:1 bitmap rendering here, so it's more safe and faster
993                     // to work with switching off MapMode usage completely.
994                     const Point aOrigin(mpOutputDevice->GetMapMode().GetOrigin());
995 
996                     mpOutputDevice->EnableMapMode(false);
997 
998                     for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
999                     {
1000                         const basegfx::B2DPoint aDiscreteTopLeft((maCurrentTransformation * (*aIter)) - aDiscreteHalfSize);
1001                         const Point aDiscretePoint(basegfx::fround(aDiscreteTopLeft.getX()), basegfx::fround(aDiscreteTopLeft.getY()));
1002 
1003                         mpOutputDevice->DrawBitmapEx(aDiscretePoint + aOrigin, rMarker);
1004                     }
1005 
1006                     mpOutputDevice->EnableMapMode(bWasEnabled);
1007                 }
1008             }
1009         }
1010 
1011         // point
1012         void VclProcessor2D::RenderPointArrayPrimitive2D(const primitive2d::PointArrayPrimitive2D& rPointArrayCandidate)
1013         {
1014             const std::vector< basegfx::B2DPoint >& rPositions = rPointArrayCandidate.getPositions();
1015             const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(rPointArrayCandidate.getRGBColor()));
1016             const Color aVCLColor(aRGBColor);
1017 
1018             for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
1019             {
1020                 const basegfx::B2DPoint aViewPosition(maCurrentTransformation * (*aIter));
1021                 const Point aPos(basegfx::fround(aViewPosition.getX()), basegfx::fround(aViewPosition.getY()));
1022 
1023                 mpOutputDevice->DrawPixel(aPos, aVCLColor);
1024             }
1025         }
1026 
1027         void VclProcessor2D::RenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokeCandidate)
1028         {
1029             // #i101491# method restructured to clearly use the DrawPolyLine
1030             // calls starting from a deined line width
1031             const attribute::LineAttribute& rLineAttribute = rPolygonStrokeCandidate.getLineAttribute();
1032             const double fLineWidth(rLineAttribute.getWidth());
1033             bool bDone(false);
1034 
1035             if(basegfx::fTools::more(fLineWidth, 0.0))
1036             {
1037                 const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(fLineWidth, 0.0));
1038                 const double fDiscreteLineWidth(aDiscreteUnit.getLength());
1039                 const attribute::StrokeAttribute& rStrokeAttribute = rPolygonStrokeCandidate.getStrokeAttribute();
1040                 const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rLineAttribute.getColor()));
1041                 basegfx::B2DPolyPolygon aHairlinePolyPolygon;
1042 
1043                 mpOutputDevice->SetLineColor(Color(aHairlineColor));
1044                 mpOutputDevice->SetFillColor();
1045 
1046                 if(0.0 == rStrokeAttribute.getFullDotDashLen())
1047                 {
1048                     // no line dashing, just copy
1049                     aHairlinePolyPolygon.append(rPolygonStrokeCandidate.getB2DPolygon());
1050                 }
1051                 else
1052                 {
1053                     // else apply LineStyle
1054                     basegfx::tools::applyLineDashing(rPolygonStrokeCandidate.getB2DPolygon(),
1055                         rStrokeAttribute.getDotDashArray(),
1056                         &aHairlinePolyPolygon, 0, rStrokeAttribute.getFullDotDashLen());
1057                 }
1058 
1059                 const sal_uInt32 nCount(aHairlinePolyPolygon.count());
1060 
1061                 if(nCount)
1062                 {
1063                     const bool bAntiAliased(getOptionsDrawinglayer().IsAntiAliasing());
1064                     aHairlinePolyPolygon.transform(maCurrentTransformation);
1065 
1066                     if(bAntiAliased)
1067                     {
1068                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.0))
1069                         {
1070                             // line in range ]0.0 .. 1.0[
1071                             // paint as simple hairline
1072                             for(sal_uInt32 a(0); a < nCount; a++)
1073                             {
1074                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1075                             }
1076 
1077                             bDone = true;
1078                         }
1079                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.0))
1080                         {
1081                             // line in range [1.0 .. 2.0[
1082                             // paint as 2x2 with dynamic line distance
1083                             basegfx::B2DHomMatrix aMat;
1084                             const double fDistance(fDiscreteLineWidth - 1.0);
1085                             const double fHalfDistance(fDistance * 0.5);
1086 
1087                             for(sal_uInt32 a(0); a < nCount; a++)
1088                             {
1089                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1090 
1091                                 aMat.set(0, 2, -fHalfDistance);
1092                                 aMat.set(1, 2, -fHalfDistance);
1093                                 aCandidate.transform(aMat);
1094                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1095 
1096                                 aMat.set(0, 2, fDistance);
1097                                 aMat.set(1, 2, 0.0);
1098                                 aCandidate.transform(aMat);
1099                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1100 
1101                                 aMat.set(0, 2, 0.0);
1102                                 aMat.set(1, 2, fDistance);
1103                                 aCandidate.transform(aMat);
1104                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1105 
1106                                 aMat.set(0, 2, -fDistance);
1107                                 aMat.set(1, 2, 0.0);
1108                                 aCandidate.transform(aMat);
1109                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1110                             }
1111 
1112                             bDone = true;
1113                         }
1114                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 3.0))
1115                         {
1116                             // line in range [2.0 .. 3.0]
1117                             // paint as cross in a 3x3  with dynamic line distance
1118                             basegfx::B2DHomMatrix aMat;
1119                             const double fDistance((fDiscreteLineWidth - 1.0) * 0.5);
1120 
1121                             for(sal_uInt32 a(0); a < nCount; a++)
1122                             {
1123                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1124 
1125                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1126 
1127                                 aMat.set(0, 2, -fDistance);
1128                                 aMat.set(1, 2, 0.0);
1129                                 aCandidate.transform(aMat);
1130                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1131 
1132                                 aMat.set(0, 2, fDistance);
1133                                 aMat.set(1, 2, -fDistance);
1134                                 aCandidate.transform(aMat);
1135                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1136 
1137                                 aMat.set(0, 2, fDistance);
1138                                 aMat.set(1, 2, fDistance);
1139                                 aCandidate.transform(aMat);
1140                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1141 
1142                                 aMat.set(0, 2, -fDistance);
1143                                 aMat.set(1, 2, fDistance);
1144                                 aCandidate.transform(aMat);
1145                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1146                             }
1147 
1148                             bDone = true;
1149                         }
1150                         else
1151                         {
1152                             // #i101491# line width above 3.0
1153                         }
1154                     }
1155                     else
1156                     {
1157                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.5))
1158                         {
1159                             // line width below 1.5, draw the basic hairline polygon
1160                             for(sal_uInt32 a(0); a < nCount; a++)
1161                             {
1162                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1163                             }
1164 
1165                             bDone = true;
1166                         }
1167                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.5))
1168                         {
1169                             // line width is in range ]1.5 .. 2.5], use four hairlines
1170                             // drawn in a square
1171                             for(sal_uInt32 a(0); a < nCount; a++)
1172                             {
1173                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1174                                 basegfx::B2DHomMatrix aMat;
1175 
1176                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1177 
1178                                 aMat.set(0, 2, 1.0);
1179                                 aMat.set(1, 2, 0.0);
1180                                 aCandidate.transform(aMat);
1181 
1182                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1183 
1184                                 aMat.set(0, 2, 0.0);
1185                                 aMat.set(1, 2, 1.0);
1186                                 aCandidate.transform(aMat);
1187 
1188                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1189 
1190                                 aMat.set(0, 2, -1.0);
1191                                 aMat.set(1, 2, 0.0);
1192                                 aCandidate.transform(aMat);
1193 
1194                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1195                             }
1196 
1197                             bDone = true;
1198                         }
1199                         else
1200                         {
1201                             // #i101491# line width is above 2.5
1202                         }
1203                     }
1204 
1205                     if(!bDone && rPolygonStrokeCandidate.getB2DPolygon().count() > 1000)
1206                     {
1207                         // #i101491# If the polygon complexity uses more than a given amount, do
1208                         // use OuputDevice::DrawPolyLine directly; this will avoid buffering all
1209                         // decompositions in primtives (memory) and fallback to old line painting
1210                         // for very complex polygons, too
1211                         for(sal_uInt32 a(0); a < nCount; a++)
1212                         {
1213                             mpOutputDevice->DrawPolyLine(
1214                                 aHairlinePolyPolygon.getB2DPolygon(a),
1215                                 fDiscreteLineWidth,
1216                                 rLineAttribute.getLineJoin(),
1217                                 rLineAttribute.getLineCap());
1218                         }
1219 
1220                         bDone = true;
1221                     }
1222                 }
1223             }
1224 
1225             if(!bDone)
1226             {
1227                 // remeber that we enter a PolygonStrokePrimitive2D decomposition,
1228                 // used for AA thick line drawing
1229                 mnPolygonStrokePrimitive2D++;
1230 
1231                 // line width is big enough for standard filled polygon visualisation or zero
1232                 process(rPolygonStrokeCandidate.get2DDecomposition(getViewInformation2D()));
1233 
1234                 // leave PolygonStrokePrimitive2D
1235                 mnPolygonStrokePrimitive2D--;
1236             }
1237         }
1238 
1239         void VclProcessor2D::RenderEpsPrimitive2D(const primitive2d::EpsPrimitive2D& rEpsPrimitive2D)
1240         {
1241             // The new decomposition of Metafiles made it necessary to add an Eps
1242             // primitive to handle embedded Eps data. On some devices, this can be
1243             // painted directly (mac, printer).
1244             // To be able to handle the replacement correctly, i need to handle it myself
1245             // since DrawEPS will not be able e.g. to rotate the replacement. To be able
1246             // to do that, i added a boolean return to OutputDevice::DrawEPS(..)
1247             // to know when EPS was handled directly already.
1248             basegfx::B2DRange aRange(0.0, 0.0, 1.0, 1.0);
1249             aRange.transform(maCurrentTransformation * rEpsPrimitive2D.getEpsTransform());
1250 
1251             if(!aRange.isEmpty())
1252             {
1253                 const Rectangle aRectangle(
1254                     (sal_Int32)floor(aRange.getMinX()), (sal_Int32)floor(aRange.getMinY()),
1255                     (sal_Int32)ceil(aRange.getMaxX()), (sal_Int32)ceil(aRange.getMaxY()));
1256 
1257                 if(!aRectangle.IsEmpty())
1258                 {
1259                     // try to paint EPS directly without fallback visualisation
1260                     const bool bEPSPaintedDirectly(mpOutputDevice->DrawEPS(
1261                         aRectangle.TopLeft(),
1262                         aRectangle.GetSize(),
1263                         rEpsPrimitive2D.getGfxLink(),
1264                         0));
1265 
1266                     if(!bEPSPaintedDirectly)
1267                     {
1268                         // use the decomposition which will correctly handle the
1269                         // fallback visualisation using full transformation (e.g. rotation)
1270                         process(rEpsPrimitive2D.get2DDecomposition(getViewInformation2D()));
1271                     }
1272                 }
1273             }
1274         }
1275 
1276         void VclProcessor2D::RenderSvgLinearAtomPrimitive2D(const primitive2d::SvgLinearAtomPrimitive2D& rCandidate)
1277         {
1278             const double fDelta(rCandidate.getOffsetB() - rCandidate.getOffsetA());
1279 
1280             if(basegfx::fTools::more(fDelta, 0.0))
1281             {
1282                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1283                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1284 
1285                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1286                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1287                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1288 
1289                 // use color distance and discrete lengths to calculate step count
1290                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDelta, fDiscreteUnit));
1291 
1292                 // switch off line painting
1293                 mpOutputDevice->SetLineColor();
1294 
1295                 // prepare polygon in needed width at start position (with discrete overlap)
1296                 const basegfx::B2DPolygon aPolygon(
1297                     basegfx::tools::createPolygonFromRect(
1298                         basegfx::B2DRange(
1299                             rCandidate.getOffsetA() - fDiscreteUnit,
1300                             0.0,
1301                             rCandidate.getOffsetA() + (fDelta / nSteps) + fDiscreteUnit,
1302                             1.0)));
1303 
1304 
1305                 // prepare loop ([0.0 .. 1.0[)
1306                 double fUnitScale(0.0);
1307                 const double fUnitStep(1.0 / nSteps);
1308 
1309                 // loop and paint
1310                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1311                 {
1312                     basegfx::B2DPolygon aNew(aPolygon);
1313 
1314                     aNew.transform(maCurrentTransformation * basegfx::tools::createTranslateB2DHomMatrix(fDelta * fUnitScale, 0.0));
1315                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorA, aColorB, fUnitScale)));
1316                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1317                 }
1318             }
1319         }
1320 
1321         void VclProcessor2D::RenderSvgRadialAtomPrimitive2D(const primitive2d::SvgRadialAtomPrimitive2D& rCandidate)
1322         {
1323             const double fDeltaScale(rCandidate.getScaleB() - rCandidate.getScaleA());
1324 
1325             if(basegfx::fTools::more(fDeltaScale, 0.0))
1326             {
1327                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1328                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1329 
1330                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1331                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1332                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1333 
1334                 // use color distance and discrete lengths to calculate step count
1335                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDeltaScale, fDiscreteUnit));
1336 
1337                 // switch off line painting
1338                 mpOutputDevice->SetLineColor();
1339 
1340                 // prepare loop ([0.0 .. 1.0[, full polygons, no polypolygons with holes)
1341                 double fUnitScale(0.0);
1342                 const double fUnitStep(1.0 / nSteps);
1343 
1344                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1345                 {
1346                     basegfx::B2DHomMatrix aTransform;
1347                     const double fEndScale(rCandidate.getScaleB() - (fDeltaScale * fUnitScale));
1348 
1349                     if(rCandidate.isTranslateSet())
1350                     {
1351                         const basegfx::B2DVector aTranslate(
1352                             basegfx::interpolate(
1353                                 rCandidate.getTranslateB(),
1354                                 rCandidate.getTranslateA(),
1355                                 fUnitScale));
1356 
1357                         aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
1358                             fEndScale,
1359                             fEndScale,
1360                             aTranslate.getX(),
1361                             aTranslate.getY());
1362                     }
1363                     else
1364                     {
1365                         aTransform = basegfx::tools::createScaleB2DHomMatrix(
1366                             fEndScale,
1367                             fEndScale);
1368                     }
1369 
1370                     basegfx::B2DPolygon aNew(basegfx::tools::createPolygonFromUnitCircle());
1371 
1372                     aNew.transform(maCurrentTransformation * aTransform);
1373                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorB, aColorA, fUnitScale)));
1374                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1375                 }
1376             }
1377         }
1378 
1379         void VclProcessor2D::adaptLineToFillDrawMode() const
1380         {
1381             const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1382 
1383             if(nOriginalDrawMode & (DRAWMODE_BLACKLINE|DRAWMODE_GRAYLINE|DRAWMODE_GHOSTEDLINE|DRAWMODE_WHITELINE|DRAWMODE_SETTINGSLINE))
1384             {
1385                 sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1386 
1387                 if(nOriginalDrawMode & DRAWMODE_BLACKLINE)
1388                 {
1389                     nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1390                 }
1391                 else
1392                 {
1393                     nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1394                 }
1395 
1396                 if(nOriginalDrawMode & DRAWMODE_GRAYLINE)
1397                 {
1398                     nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1399                 }
1400                 else
1401                 {
1402                     nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1403                 }
1404 
1405                 if(nOriginalDrawMode & DRAWMODE_GHOSTEDLINE)
1406                 {
1407                     nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1408                 }
1409                 else
1410                 {
1411                     nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1412                 }
1413 
1414                 if(nOriginalDrawMode & DRAWMODE_WHITELINE)
1415                 {
1416                     nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1417                 }
1418                 else
1419                 {
1420                     nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1421                 }
1422 
1423                 if(nOriginalDrawMode & DRAWMODE_SETTINGSLINE)
1424                 {
1425                     nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1426                 }
1427                 else
1428                 {
1429                     nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1430                 }
1431 
1432                 mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1433             }
1434         }
1435 
1436         void VclProcessor2D::adaptTextToFillDrawMode() const
1437         {
1438             const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1439             if(nOriginalDrawMode & (DRAWMODE_BLACKTEXT|DRAWMODE_GRAYTEXT|DRAWMODE_GHOSTEDTEXT|DRAWMODE_WHITETEXT|DRAWMODE_SETTINGSTEXT))
1440             {
1441                 sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1442 
1443                 if(nOriginalDrawMode & DRAWMODE_BLACKTEXT)
1444                 {
1445                     nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1446                 }
1447                 else
1448                 {
1449                     nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1450                 }
1451 
1452                 if(nOriginalDrawMode & DRAWMODE_GRAYTEXT)
1453                 {
1454                     nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1455                 }
1456                 else
1457                 {
1458                     nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1459                 }
1460 
1461                 if(nOriginalDrawMode & DRAWMODE_GHOSTEDTEXT)
1462                 {
1463                     nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1464                 }
1465                 else
1466                 {
1467                     nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1468                 }
1469 
1470                 if(nOriginalDrawMode & DRAWMODE_WHITETEXT)
1471                 {
1472                     nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1473                 }
1474                 else
1475                 {
1476                     nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1477                 }
1478 
1479                 if(nOriginalDrawMode & DRAWMODE_SETTINGSTEXT)
1480                 {
1481                     nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1482                 }
1483                 else
1484                 {
1485                     nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1486                 }
1487 
1488                 mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1489             }
1490         }
1491 
1492         //////////////////////////////////////////////////////////////////////////////
1493         // process support
1494 
1495         VclProcessor2D::VclProcessor2D(
1496             const geometry::ViewInformation2D& rViewInformation,
1497             OutputDevice& rOutDev)
1498         :   BaseProcessor2D(rViewInformation),
1499             mpOutputDevice(&rOutDev),
1500             maBColorModifierStack(),
1501             maCurrentTransformation(),
1502             maDrawinglayerOpt(),
1503             mnPolygonStrokePrimitive2D(0)
1504         {
1505             // set digit language, derived from SvtCTLOptions to have the correct
1506             // number display for arabic/hindi numerals
1507             const SvtCTLOptions aSvtCTLOptions;
1508             LanguageType eLang(LANGUAGE_SYSTEM);
1509 
1510             if(SvtCTLOptions::NUMERALS_HINDI == aSvtCTLOptions.GetCTLTextNumerals())
1511             {
1512                 eLang = LANGUAGE_ARABIC_SAUDI_ARABIA;
1513             }
1514             else if(SvtCTLOptions::NUMERALS_ARABIC == aSvtCTLOptions.GetCTLTextNumerals())
1515             {
1516                 eLang = LANGUAGE_ENGLISH;
1517             }
1518             else
1519             {
1520                 eLang = (LanguageType)Application::GetSettings().GetLanguage();
1521             }
1522 
1523             rOutDev.SetDigitLanguage(eLang);
1524         }
1525 
1526         VclProcessor2D::~VclProcessor2D()
1527         {
1528         }
1529     } // end of namespace processor2d
1530 } // end of namespace drawinglayer
1531 
1532 //////////////////////////////////////////////////////////////////////////////
1533 // eof
1534