xref: /trunk/main/drawinglayer/source/processor2d/vclprocessor2d.cxx (revision d3e0dd8eb215533c15e891ee35bd141abe9397ee)
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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             // #122923# do no longer add Alpha channel here; the right place to do this is when really
413             // the own transformer is used (see OutputDevice::DrawTransformedBitmapEx).
414 
415             // draw using OutputDevice'sDrawTransformedBitmapEx
416             mpOutputDevice->DrawTransformedBitmapEx(aLocalTransform, aBitmapEx);
417         }
418 
419         void VclProcessor2D::RenderFillGraphicPrimitive2D(const primitive2d::FillGraphicPrimitive2D& rFillBitmapCandidate)
420         {
421             const attribute::FillGraphicAttribute& rFillGraphicAttribute(rFillBitmapCandidate.getFillGraphic());
422             bool bPrimitiveAccepted(false);
423             static bool bTryTilingDirect = true;
424 
425             // #121194# when tiling is used and content is bitmap-based, do direct tiling in the
426             // renderer on pixel base to ensure tight fitting. Do not do this when
427             // the fill is rotated or sheared.
428 
429             // ovveride static bool (for debug) and tiling is active
430             if(bTryTilingDirect && rFillGraphicAttribute.getTiling())
431             {
432                 // content is bitmap(ex)
433                 //
434                 // for SVG support, force decomposition when SVG is present. This will lead to use
435                 // the primitive representation of the svg directly.
436                 //
437                 // when graphic is animated, force decomposition to use the correct graphic, else
438                 // fill style will not be animated
439                 if(GRAPHIC_BITMAP == rFillGraphicAttribute.getGraphic().GetType()
440                     && !rFillGraphicAttribute.getGraphic().getSvgData().get()
441                     && !rFillGraphicAttribute.getGraphic().IsAnimated())
442                 {
443                     // decompose matrix to check for shear, rotate and mirroring
444                     basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rFillBitmapCandidate.getTransformation());
445                     basegfx::B2DVector aScale, aTranslate;
446                     double fRotate, fShearX;
447                     aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);
448 
449                     // when nopt rotated/sheared
450                     if(basegfx::fTools::equalZero(fRotate) && basegfx::fTools::equalZero(fShearX))
451                     {
452                         // no shear or rotate, draw direct in pixel coordinates
453                         bPrimitiveAccepted = true;
454 
455                         // transform object range to device coordinates (pixels). Use
456                         // the device transformation for better accuracy
457                         basegfx::B2DRange aObjectRange(aTranslate, aTranslate + aScale);
458                         aObjectRange.transform(mpOutputDevice->GetViewTransformation());
459 
460                         // extract discrete size of object
461                         const sal_Int32 nOWidth(basegfx::fround(aObjectRange.getWidth()));
462                         const sal_Int32 nOHeight(basegfx::fround(aObjectRange.getHeight()));
463 
464                         // only do something when object has a size in discrete units
465                         if(nOWidth > 0 && nOHeight > 0)
466                         {
467                             // transform graphic range to device coordinates (pixels). Use
468                             // the device transformation for better accuracy
469                             basegfx::B2DRange aGraphicRange(rFillGraphicAttribute.getGraphicRange());
470                             aGraphicRange.transform(mpOutputDevice->GetViewTransformation() * aLocalTransform);
471 
472                             // extract discrete size of graphic
473                             const sal_Int32 nBWidth(basegfx::fround(aGraphicRange.getWidth()));
474                             const sal_Int32 nBHeight(basegfx::fround(aGraphicRange.getHeight()));
475 
476                             // only do something when bitmap fill has a size in discrete units
477                             if(nBWidth > 0 && nBHeight > 0)
478                             {
479                                 // nBWidth, nBHeight is the pixel size of the neede bitmap. To not need to scale it
480                                 // in vcl many times, create a size-optimized version
481                                 const Size aNeededBitmapSizePixel(nBWidth, nBHeight);
482                                 BitmapEx aBitmapEx(rFillGraphicAttribute.getGraphic().GetBitmapEx());
483                                 static bool bEnablePreScaling(true);
484                                 const bool bPreScaled(bEnablePreScaling && nBWidth * nBHeight < (250 * 250));
485 
486                                 if(bPreScaled)
487                                 {
488                                     // ... but only up to a maximum size, else it gets too expensive
489                                     aBitmapEx.Scale(aNeededBitmapSizePixel, BMP_SCALE_INTERPOLATE);
490                                 }
491 
492                                 bool bPainted(false);
493 
494                                 if(maBColorModifierStack.count())
495                                 {
496                                     // when color modifier, apply to bitmap
497                                     aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
498 
499                                     // impModifyBitmapEx uses empty bitmap as sign to return that
500                                     // the content will be completely replaced to mono color, use shortcut
501                                     if(aBitmapEx.IsEmpty())
502                                     {
503                                         // color gets completely replaced, get it
504                                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
505                                         basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
506                                         aPolygon.transform(aLocalTransform);
507 
508                                         mpOutputDevice->SetFillColor(Color(aModifiedColor));
509                                         mpOutputDevice->SetLineColor();
510                                         mpOutputDevice->DrawPolygon(aPolygon);
511 
512                                         bPainted = true;
513                                     }
514                                 }
515 
516                                 if(!bPainted)
517                                 {
518                                     sal_Int32 nBLeft(basegfx::fround(aGraphicRange.getMinX()));
519                                     sal_Int32 nBTop(basegfx::fround(aGraphicRange.getMinY()));
520                                     const sal_Int32 nOLeft(basegfx::fround(aObjectRange.getMinX()));
521                                     const sal_Int32 nOTop(basegfx::fround(aObjectRange.getMinY()));
522                                     sal_Int32 nPosX(0);
523                                     sal_Int32 nPosY(0);
524 
525                                     if(nBLeft > nOLeft)
526                                     {
527                                         const sal_Int32 nDiff((nBLeft / nBWidth) + 1);
528 
529                                         nPosX -= nDiff;
530                                         nBLeft -= nDiff * nBWidth;
531                                     }
532 
533                                     if(nBLeft + nBWidth <= nOLeft)
534                                     {
535                                         const sal_Int32 nDiff(-nBLeft / nBWidth);
536 
537                                         nPosX += nDiff;
538                                         nBLeft += nDiff * nBWidth;
539                                     }
540 
541                                     if(nBTop > nOTop)
542                                     {
543                                         const sal_Int32 nDiff((nBTop / nBHeight) + 1);
544 
545                                         nPosY -= nDiff;
546                                         nBTop -= nDiff * nBHeight;
547                                     }
548 
549                                     if(nBTop + nBHeight <= nOTop)
550                                     {
551                                         const sal_Int32 nDiff(-nBTop / nBHeight);
552 
553                                         nPosY += nDiff;
554                                         nBTop += nDiff * nBHeight;
555                                     }
556 
557                                     // prepare OutDev
558                                     const Point aEmptyPoint(0, 0);
559                                     const Rectangle aVisiblePixel(aEmptyPoint, mpOutputDevice->GetOutputSizePixel());
560                                     const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
561                                     mpOutputDevice->EnableMapMode(false);
562 
563                                     // check if offset is used
564                                     const sal_Int32 nOffsetX(basegfx::fround(rFillGraphicAttribute.getOffsetX() * nBWidth));
565 
566                                     if(nOffsetX)
567                                     {
568                                         // offset in X, so iterate over Y first and draw lines
569                                         for(sal_Int32 nYPos(nBTop); nYPos < nOTop + nOHeight; nYPos += nBHeight, nPosY++)
570                                         {
571                                             for(sal_Int32 nXPos(nPosY % 2 ? nBLeft - nBWidth + nOffsetX : nBLeft);
572                                                 nXPos < nOLeft + nOWidth; nXPos += nBWidth)
573                                             {
574                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
575 
576                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
577                                                 {
578                                                     if(bPreScaled)
579                                                     {
580                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
581                                                     }
582                                                     else
583                                                     {
584                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
585                                                     }
586                                                 }
587                                             }
588                                         }
589                                     }
590                                     else
591                                     {
592                                         // check if offset is used
593                                         const sal_Int32 nOffsetY(basegfx::fround(rFillGraphicAttribute.getOffsetY() * nBHeight));
594 
595                                         // possible offset in Y, so iterate over X first and draw columns
596                                         for(sal_Int32 nXPos(nBLeft); nXPos < nOLeft + nOWidth; nXPos += nBWidth, nPosX++)
597                                         {
598                                             for(sal_Int32 nYPos(nPosX % 2 ? nBTop - nBHeight + nOffsetY : nBTop);
599                                                 nYPos < nOTop + nOHeight; nYPos += nBHeight)
600                                             {
601                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
602 
603                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
604                                                 {
605                                                     if(bPreScaled)
606                                                     {
607                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
608                                                     }
609                                                     else
610                                                     {
611                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
612                                                     }
613                                                 }
614                                             }
615                                         }
616                                     }
617 
618                                     // restore OutDev
619                                     mpOutputDevice->EnableMapMode(bWasEnabled);
620                                 }
621                             }
622                         }
623                     }
624                 }
625             }
626 
627             if(!bPrimitiveAccepted)
628             {
629                 // do not accept, use decomposition
630                 process(rFillBitmapCandidate.get2DDecomposition(getViewInformation2D()));
631             }
632         }
633 
634         // direct draw of Graphic
635         void VclProcessor2D::RenderPolyPolygonGraphicPrimitive2D(const primitive2d::PolyPolygonGraphicPrimitive2D& rPolygonCandidate)
636         {
637             bool bDone(false);
638             const basegfx::B2DPolyPolygon& rPolyPolygon = rPolygonCandidate.getB2DPolyPolygon();
639 
640             // #121194# Todo: check if this works
641             if(!rPolyPolygon.count())
642             {
643                 // empty polyPolygon, done
644                 bDone = true;
645             }
646             else
647             {
648                 const attribute::FillGraphicAttribute& rFillGraphicAttribute = rPolygonCandidate.getFillGraphic();
649 
650                 // try to catch cases where the graphic will be color-modified to a single
651                 // color (e.g. shadow)
652                 switch(rFillGraphicAttribute.getGraphic().GetType())
653                 {
654                     case GRAPHIC_GDIMETAFILE:
655                     {
656                         // metafiles are potentially transparent, cannot optimize�, not done
657                         break;
658                     }
659                     case GRAPHIC_BITMAP:
660                     {
661                         if(!rFillGraphicAttribute.getGraphic().IsTransparent() && !rFillGraphicAttribute.getGraphic().IsAlpha())
662                         {
663                             // bitmap is not transparent and has no alpha
664                             const sal_uInt32 nBColorModifierStackCount(maBColorModifierStack.count());
665 
666                             if(nBColorModifierStackCount)
667                             {
668                                 const basegfx::BColorModifier& rTopmostModifier = maBColorModifierStack.getBColorModifier(nBColorModifierStackCount - 1);
669 
670                                 if(basegfx::BCOLORMODIFYMODE_REPLACE == rTopmostModifier.getMode())
671                                 {
672                                     // the bitmap fill is in unified color, so we can replace it with
673                                     // a single polygon fill. The form of the fill depends on tiling
674                                     if(rFillGraphicAttribute.getTiling())
675                                     {
676                                         // with tiling, fill the whole PolyPolygon with the modifier color
677                                         basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolyPolygon);
678 
679                                         aLocalPolyPolygon.transform(maCurrentTransformation);
680                                         mpOutputDevice->SetLineColor();
681                                         mpOutputDevice->SetFillColor(Color(rTopmostModifier.getBColor()));
682                                         mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
683                                     }
684                                     else
685                                     {
686                                         // without tiling, only the area common to the bitmap tile and the
687                                         // PolyPolygon is filled. Create the bitmap tile area in object
688                                         // coordinates. For this, the object transformation needs to be created
689                                         // from the already scaled PolyPolygon. The tile area in object
690                                         // coordinates wil always be non-rotated, so it's not necessary to
691                                         // work with a polygon here
692                                         basegfx::B2DRange aTileRange(rFillGraphicAttribute.getGraphicRange());
693                                         const basegfx::B2DRange aPolyPolygonRange(rPolyPolygon.getB2DRange());
694                                         const basegfx::B2DHomMatrix aNewObjectTransform(
695                                             basegfx::tools::createScaleTranslateB2DHomMatrix(
696                                                 aPolyPolygonRange.getRange(),
697                                                 aPolyPolygonRange.getMinimum()));
698 
699                                         aTileRange.transform(aNewObjectTransform);
700 
701                                         // now clip the object polyPolygon against the tile range
702                                         // to get the common area
703                                         basegfx::B2DPolyPolygon aTarget = basegfx::tools::clipPolyPolygonOnRange(
704                                             rPolyPolygon,
705                                             aTileRange,
706                                             true,
707                                             false);
708 
709                                         if(aTarget.count())
710                                         {
711                                             aTarget.transform(maCurrentTransformation);
712                                             mpOutputDevice->SetLineColor();
713                                             mpOutputDevice->SetFillColor(Color(rTopmostModifier.getBColor()));
714                                             mpOutputDevice->DrawPolyPolygon(aTarget);
715                                         }
716                                     }
717 
718                                     // simplified output executed, we are done
719                                     bDone = true;
720                                 }
721                             }
722                         }
723                         break;
724                     }
725                     default: //GRAPHIC_NONE, GRAPHIC_DEFAULT
726                     {
727                         // empty graphic, we are done
728                         bDone = true;
729                         break;
730                     }
731                 }
732             }
733 
734             if(!bDone)
735             {
736                 // use default decomposition
737                 process(rPolygonCandidate.get2DDecomposition(getViewInformation2D()));
738             }
739         }
740 
741         // mask group. Force output to VDev and create mask from given mask
742         void VclProcessor2D::RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D& rMaskCandidate)
743         {
744             if(rMaskCandidate.getChildren().hasElements())
745             {
746                 basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
747 
748                 if(aMask.count())
749                 {
750                     aMask.transform(maCurrentTransformation);
751                     const basegfx::B2DRange aRange(basegfx::tools::getRange(aMask));
752                     impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
753 
754                     if(aBufferDevice.isVisible())
755                     {
756                         // remember last OutDev and set to content
757                         OutputDevice* pLastOutputDevice = mpOutputDevice;
758                         mpOutputDevice = &aBufferDevice.getContent();
759 
760                         // paint to it
761                         process(rMaskCandidate.getChildren());
762 
763                         // back to old OutDev
764                         mpOutputDevice = pLastOutputDevice;
765 
766                         // draw mask
767                         if(getOptionsDrawinglayer().IsAntiAliasing())
768                         {
769                             // with AA, use 8bit AlphaMask to get nice borders
770                             VirtualDevice& rTransparence = aBufferDevice.getTransparence();
771                             rTransparence.SetLineColor();
772                             rTransparence.SetFillColor(COL_BLACK);
773                             rTransparence.DrawPolyPolygon(aMask);
774 
775                             // dump buffer to outdev
776                             aBufferDevice.paint();
777                         }
778                         else
779                         {
780                             // No AA, use 1bit mask
781                             VirtualDevice& rMask = aBufferDevice.getMask();
782                             rMask.SetLineColor();
783                             rMask.SetFillColor(COL_BLACK);
784                             rMask.DrawPolyPolygon(aMask);
785 
786                             // dump buffer to outdev
787                             aBufferDevice.paint();
788                         }
789                     }
790                 }
791             }
792         }
793 
794         // modified color group. Force output to unified color.
795         void VclProcessor2D::RenderModifiedColorPrimitive2D(const primitive2d::ModifiedColorPrimitive2D& rModifiedCandidate)
796         {
797             if(rModifiedCandidate.getChildren().hasElements())
798             {
799                 maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
800                 process(rModifiedCandidate.getChildren());
801                 maBColorModifierStack.pop();
802             }
803         }
804 
805         // unified sub-transparence. Draw to VDev first.
806         void VclProcessor2D::RenderUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D& rTransCandidate)
807         {
808             static bool bForceToDecomposition(false);
809 
810             if(rTransCandidate.getChildren().hasElements())
811             {
812                 if(bForceToDecomposition)
813                 {
814                     // use decomposition
815                     process(rTransCandidate.get2DDecomposition(getViewInformation2D()));
816                 }
817                 else
818                 {
819                     if(0.0 == rTransCandidate.getTransparence())
820                     {
821                         // no transparence used, so just use the content
822                         process(rTransCandidate.getChildren());
823                     }
824                     else if(rTransCandidate.getTransparence() > 0.0 && rTransCandidate.getTransparence() < 1.0)
825                     {
826                         // transparence is in visible range
827                         basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
828                         aRange.transform(maCurrentTransformation);
829                         impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
830 
831                         if(aBufferDevice.isVisible())
832                         {
833                             // remember last OutDev and set to content
834                             OutputDevice* pLastOutputDevice = mpOutputDevice;
835                             mpOutputDevice = &aBufferDevice.getContent();
836 
837                             // paint content to it
838                             process(rTransCandidate.getChildren());
839 
840                             // back to old OutDev
841                             mpOutputDevice = pLastOutputDevice;
842 
843                             // dump buffer to outdev using given transparence
844                             aBufferDevice.paint(rTransCandidate.getTransparence());
845                         }
846                     }
847                 }
848             }
849         }
850 
851         // sub-transparence group. Draw to VDev first.
852         void VclProcessor2D::RenderTransparencePrimitive2D(const primitive2d::TransparencePrimitive2D& rTransCandidate)
853         {
854             if(rTransCandidate.getChildren().hasElements())
855             {
856                 basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
857                 aRange.transform(maCurrentTransformation);
858                 impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
859 
860                 if(aBufferDevice.isVisible())
861                 {
862                     // remember last OutDev and set to content
863                     OutputDevice* pLastOutputDevice = mpOutputDevice;
864                     mpOutputDevice = &aBufferDevice.getContent();
865 
866                     // paint content to it
867                     process(rTransCandidate.getChildren());
868 
869                     // set to mask
870                     mpOutputDevice = &aBufferDevice.getTransparence();
871 
872                     // when painting transparence masks, reset the color stack
873                     basegfx::BColorModifierStack aLastBColorModifierStack(maBColorModifierStack);
874                     maBColorModifierStack = basegfx::BColorModifierStack();
875 
876                     // paint mask to it (always with transparence intensities, evtl. with AA)
877                     process(rTransCandidate.getTransparence());
878 
879                     // back to old color stack
880                     maBColorModifierStack = aLastBColorModifierStack;
881 
882                     // back to old OutDev
883                     mpOutputDevice = pLastOutputDevice;
884 
885                     // dump buffer to outdev
886                     aBufferDevice.paint();
887                 }
888             }
889         }
890 
891         // transform group.
892         void VclProcessor2D::RenderTransformPrimitive2D(const primitive2d::TransformPrimitive2D& rTransformCandidate)
893         {
894             // remember current transformation and ViewInformation
895             const basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);
896             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
897 
898             // create new transformations for CurrentTransformation
899             // and for local ViewInformation2D
900             maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();
901             const geometry::ViewInformation2D aViewInformation2D(
902                 getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
903                 getViewInformation2D().getViewTransformation(),
904                 getViewInformation2D().getViewport(),
905                 getViewInformation2D().getVisualizedPage(),
906                 getViewInformation2D().getViewTime(),
907                 getViewInformation2D().getExtendedInformationSequence());
908             updateViewInformation(aViewInformation2D);
909 
910             // proccess content
911             process(rTransformCandidate.getChildren());
912 
913             // restore transformations
914             maCurrentTransformation = aLastCurrentTransformation;
915             updateViewInformation(aLastViewInformation2D);
916         }
917 
918         // new XDrawPage for ViewInformation2D
919         void VclProcessor2D::RenderPagePreviewPrimitive2D(const primitive2d::PagePreviewPrimitive2D& rPagePreviewCandidate)
920         {
921             // remember current transformation and ViewInformation
922             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
923 
924             // create new local ViewInformation2D
925             const geometry::ViewInformation2D aViewInformation2D(
926                 getViewInformation2D().getObjectTransformation(),
927                 getViewInformation2D().getViewTransformation(),
928                 getViewInformation2D().getViewport(),
929                 rPagePreviewCandidate.getXDrawPage(),
930                 getViewInformation2D().getViewTime(),
931                 getViewInformation2D().getExtendedInformationSequence());
932             updateViewInformation(aViewInformation2D);
933 
934             // proccess decomposed content
935             process(rPagePreviewCandidate.get2DDecomposition(getViewInformation2D()));
936 
937             // restore transformations
938             updateViewInformation(aLastViewInformation2D);
939         }
940 
941         // marker
942         void VclProcessor2D::RenderMarkerArrayPrimitive2D(const primitive2d::MarkerArrayPrimitive2D& rMarkArrayCandidate)
943         {
944             static bool bCheckCompleteMarkerDecompose(false);
945             if(bCheckCompleteMarkerDecompose)
946             {
947                 process(rMarkArrayCandidate.get2DDecomposition(getViewInformation2D()));
948                 return;
949             }
950 
951             // get data
952             const std::vector< basegfx::B2DPoint >& rPositions = rMarkArrayCandidate.getPositions();
953             const sal_uInt32 nCount(rPositions.size());
954 
955             if(nCount && !rMarkArrayCandidate.getMarker().IsEmpty())
956             {
957                 // get pixel size
958                 const BitmapEx& rMarker(rMarkArrayCandidate.getMarker());
959                 const Size aBitmapSize(rMarker.GetSizePixel());
960 
961                 if(aBitmapSize.Width() && aBitmapSize.Height())
962                 {
963                     // get discrete half size
964                     const basegfx::B2DVector aDiscreteHalfSize(
965                         (aBitmapSize.getWidth() - 1.0) * 0.5,
966                         (aBitmapSize.getHeight() - 1.0) * 0.5);
967                     const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
968 
969                     // do not forget evtl. moved origin in target device MapMode when
970                     // switching it off; it would be missing and lead to wrong positions.
971                     // All his could be done using logic sizes and coordinates, too, but
972                     // we want a 1:1 bitmap rendering here, so it's more safe and faster
973                     // to work with switching off MapMode usage completely.
974                     const Point aOrigin(mpOutputDevice->GetMapMode().GetOrigin());
975 
976                     mpOutputDevice->EnableMapMode(false);
977 
978                     for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
979                     {
980                         const basegfx::B2DPoint aDiscreteTopLeft((maCurrentTransformation * (*aIter)) - aDiscreteHalfSize);
981                         const Point aDiscretePoint(basegfx::fround(aDiscreteTopLeft.getX()), basegfx::fround(aDiscreteTopLeft.getY()));
982 
983                         mpOutputDevice->DrawBitmapEx(aDiscretePoint + aOrigin, rMarker);
984                     }
985 
986                     mpOutputDevice->EnableMapMode(bWasEnabled);
987                 }
988             }
989         }
990 
991         // point
992         void VclProcessor2D::RenderPointArrayPrimitive2D(const primitive2d::PointArrayPrimitive2D& rPointArrayCandidate)
993         {
994             const std::vector< basegfx::B2DPoint >& rPositions = rPointArrayCandidate.getPositions();
995             const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(rPointArrayCandidate.getRGBColor()));
996             const Color aVCLColor(aRGBColor);
997 
998             for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
999             {
1000                 const basegfx::B2DPoint aViewPosition(maCurrentTransformation * (*aIter));
1001                 const Point aPos(basegfx::fround(aViewPosition.getX()), basegfx::fround(aViewPosition.getY()));
1002 
1003                 mpOutputDevice->DrawPixel(aPos, aVCLColor);
1004             }
1005         }
1006 
1007         void VclProcessor2D::RenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokeCandidate)
1008         {
1009             // #i101491# method restructured to clearly use the DrawPolyLine
1010             // calls starting from a deined line width
1011             const attribute::LineAttribute& rLineAttribute = rPolygonStrokeCandidate.getLineAttribute();
1012             const double fLineWidth(rLineAttribute.getWidth());
1013             bool bDone(false);
1014 
1015             if(basegfx::fTools::more(fLineWidth, 0.0))
1016             {
1017                 const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(fLineWidth, 0.0));
1018                 const double fDiscreteLineWidth(aDiscreteUnit.getLength());
1019                 const attribute::StrokeAttribute& rStrokeAttribute = rPolygonStrokeCandidate.getStrokeAttribute();
1020                 const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rLineAttribute.getColor()));
1021                 basegfx::B2DPolyPolygon aHairlinePolyPolygon;
1022 
1023                 mpOutputDevice->SetLineColor(Color(aHairlineColor));
1024                 mpOutputDevice->SetFillColor();
1025 
1026                 if(0.0 == rStrokeAttribute.getFullDotDashLen())
1027                 {
1028                     // no line dashing, just copy
1029                     aHairlinePolyPolygon.append(rPolygonStrokeCandidate.getB2DPolygon());
1030                 }
1031                 else
1032                 {
1033                     // else apply LineStyle
1034                     basegfx::tools::applyLineDashing(rPolygonStrokeCandidate.getB2DPolygon(),
1035                         rStrokeAttribute.getDotDashArray(),
1036                         &aHairlinePolyPolygon, 0, rStrokeAttribute.getFullDotDashLen());
1037                 }
1038 
1039                 const sal_uInt32 nCount(aHairlinePolyPolygon.count());
1040 
1041                 if(nCount)
1042                 {
1043                     const bool bAntiAliased(getOptionsDrawinglayer().IsAntiAliasing());
1044                     aHairlinePolyPolygon.transform(maCurrentTransformation);
1045 
1046                     if(bAntiAliased)
1047                     {
1048                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.0))
1049                         {
1050                             // line in range ]0.0 .. 1.0[
1051                             // paint as simple hairline
1052                             for(sal_uInt32 a(0); a < nCount; a++)
1053                             {
1054                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1055                             }
1056 
1057                             bDone = true;
1058                         }
1059                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.0))
1060                         {
1061                             // line in range [1.0 .. 2.0[
1062                             // paint as 2x2 with dynamic line distance
1063                             basegfx::B2DHomMatrix aMat;
1064                             const double fDistance(fDiscreteLineWidth - 1.0);
1065                             const double fHalfDistance(fDistance * 0.5);
1066 
1067                             for(sal_uInt32 a(0); a < nCount; a++)
1068                             {
1069                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1070 
1071                                 aMat.set(0, 2, -fHalfDistance);
1072                                 aMat.set(1, 2, -fHalfDistance);
1073                                 aCandidate.transform(aMat);
1074                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1075 
1076                                 aMat.set(0, 2, fDistance);
1077                                 aMat.set(1, 2, 0.0);
1078                                 aCandidate.transform(aMat);
1079                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1080 
1081                                 aMat.set(0, 2, 0.0);
1082                                 aMat.set(1, 2, fDistance);
1083                                 aCandidate.transform(aMat);
1084                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1085 
1086                                 aMat.set(0, 2, -fDistance);
1087                                 aMat.set(1, 2, 0.0);
1088                                 aCandidate.transform(aMat);
1089                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1090                             }
1091 
1092                             bDone = true;
1093                         }
1094                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 3.0))
1095                         {
1096                             // line in range [2.0 .. 3.0]
1097                             // paint as cross in a 3x3  with dynamic line distance
1098                             basegfx::B2DHomMatrix aMat;
1099                             const double fDistance((fDiscreteLineWidth - 1.0) * 0.5);
1100 
1101                             for(sal_uInt32 a(0); a < nCount; a++)
1102                             {
1103                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1104 
1105                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1106 
1107                                 aMat.set(0, 2, -fDistance);
1108                                 aMat.set(1, 2, 0.0);
1109                                 aCandidate.transform(aMat);
1110                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1111 
1112                                 aMat.set(0, 2, fDistance);
1113                                 aMat.set(1, 2, -fDistance);
1114                                 aCandidate.transform(aMat);
1115                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1116 
1117                                 aMat.set(0, 2, fDistance);
1118                                 aMat.set(1, 2, fDistance);
1119                                 aCandidate.transform(aMat);
1120                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1121 
1122                                 aMat.set(0, 2, -fDistance);
1123                                 aMat.set(1, 2, fDistance);
1124                                 aCandidate.transform(aMat);
1125                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1126                             }
1127 
1128                             bDone = true;
1129                         }
1130                         else
1131                         {
1132                             // #i101491# line width above 3.0
1133                         }
1134                     }
1135                     else
1136                     {
1137                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.5))
1138                         {
1139                             // line width below 1.5, draw the basic hairline polygon
1140                             for(sal_uInt32 a(0); a < nCount; a++)
1141                             {
1142                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1143                             }
1144 
1145                             bDone = true;
1146                         }
1147                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.5))
1148                         {
1149                             // line width is in range ]1.5 .. 2.5], use four hairlines
1150                             // drawn in a square
1151                             for(sal_uInt32 a(0); a < nCount; a++)
1152                             {
1153                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1154                                 basegfx::B2DHomMatrix aMat;
1155 
1156                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1157 
1158                                 aMat.set(0, 2, 1.0);
1159                                 aMat.set(1, 2, 0.0);
1160                                 aCandidate.transform(aMat);
1161 
1162                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1163 
1164                                 aMat.set(0, 2, 0.0);
1165                                 aMat.set(1, 2, 1.0);
1166                                 aCandidate.transform(aMat);
1167 
1168                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1169 
1170                                 aMat.set(0, 2, -1.0);
1171                                 aMat.set(1, 2, 0.0);
1172                                 aCandidate.transform(aMat);
1173 
1174                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1175                             }
1176 
1177                             bDone = true;
1178                         }
1179                         else
1180                         {
1181                             // #i101491# line width is above 2.5
1182                         }
1183                     }
1184 
1185                     if(!bDone && rPolygonStrokeCandidate.getB2DPolygon().count() > 1000)
1186                     {
1187                         // #i101491# If the polygon complexity uses more than a given amount, do
1188                         // use OuputDevice::DrawPolyLine directly; this will avoid buffering all
1189                         // decompositions in primtives (memory) and fallback to old line painting
1190                         // for very complex polygons, too
1191                         for(sal_uInt32 a(0); a < nCount; a++)
1192                         {
1193                             mpOutputDevice->DrawPolyLine(
1194                                 aHairlinePolyPolygon.getB2DPolygon(a),
1195                                 fDiscreteLineWidth,
1196                                 rLineAttribute.getLineJoin(),
1197                                 rLineAttribute.getLineCap());
1198                         }
1199 
1200                         bDone = true;
1201                     }
1202                 }
1203             }
1204 
1205             if(!bDone)
1206             {
1207                 // remeber that we enter a PolygonStrokePrimitive2D decomposition,
1208                 // used for AA thick line drawing
1209                 mnPolygonStrokePrimitive2D++;
1210 
1211                 // line width is big enough for standard filled polygon visualisation or zero
1212                 process(rPolygonStrokeCandidate.get2DDecomposition(getViewInformation2D()));
1213 
1214                 // leave PolygonStrokePrimitive2D
1215                 mnPolygonStrokePrimitive2D--;
1216             }
1217         }
1218 
1219         void VclProcessor2D::RenderEpsPrimitive2D(const primitive2d::EpsPrimitive2D& rEpsPrimitive2D)
1220         {
1221             // The new decomposition of Metafiles made it necessary to add an Eps
1222             // primitive to handle embedded Eps data. On some devices, this can be
1223             // painted directly (mac, printer).
1224             // To be able to handle the replacement correctly, i need to handle it myself
1225             // since DrawEPS will not be able e.g. to rotate the replacement. To be able
1226             // to do that, i added a boolean return to OutputDevice::DrawEPS(..)
1227             // to know when EPS was handled directly already.
1228             basegfx::B2DRange aRange(0.0, 0.0, 1.0, 1.0);
1229             aRange.transform(maCurrentTransformation * rEpsPrimitive2D.getEpsTransform());
1230 
1231             if(!aRange.isEmpty())
1232             {
1233                 const Rectangle aRectangle(
1234                     (sal_Int32)floor(aRange.getMinX()), (sal_Int32)floor(aRange.getMinY()),
1235                     (sal_Int32)ceil(aRange.getMaxX()), (sal_Int32)ceil(aRange.getMaxY()));
1236 
1237                 if(!aRectangle.IsEmpty())
1238                 {
1239                     // try to paint EPS directly without fallback visualisation
1240                     const bool bEPSPaintedDirectly(mpOutputDevice->DrawEPS(
1241                         aRectangle.TopLeft(),
1242                         aRectangle.GetSize(),
1243                         rEpsPrimitive2D.getGfxLink(),
1244                         0));
1245 
1246                     if(!bEPSPaintedDirectly)
1247                     {
1248                         // use the decomposition which will correctly handle the
1249                         // fallback visualisation using full transformation (e.g. rotation)
1250                         process(rEpsPrimitive2D.get2DDecomposition(getViewInformation2D()));
1251                     }
1252                 }
1253             }
1254         }
1255 
1256         void VclProcessor2D::RenderSvgLinearAtomPrimitive2D(const primitive2d::SvgLinearAtomPrimitive2D& rCandidate)
1257         {
1258             const double fDelta(rCandidate.getOffsetB() - rCandidate.getOffsetA());
1259 
1260             if(basegfx::fTools::more(fDelta, 0.0))
1261             {
1262                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1263                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1264 
1265                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1266                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1267                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1268 
1269                 // use color distance and discrete lengths to calculate step count
1270                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDelta, fDiscreteUnit));
1271 
1272                 // switch off line painting
1273                 mpOutputDevice->SetLineColor();
1274 
1275                 // prepare polygon in needed width at start position (with discrete overlap)
1276                 const basegfx::B2DPolygon aPolygon(
1277                     basegfx::tools::createPolygonFromRect(
1278                         basegfx::B2DRange(
1279                             rCandidate.getOffsetA() - fDiscreteUnit,
1280                             0.0,
1281                             rCandidate.getOffsetA() + (fDelta / nSteps) + fDiscreteUnit,
1282                             1.0)));
1283 
1284 
1285                 // prepare loop ([0.0 .. 1.0[)
1286                 double fUnitScale(0.0);
1287                 const double fUnitStep(1.0 / nSteps);
1288 
1289                 // loop and paint
1290                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1291                 {
1292                     basegfx::B2DPolygon aNew(aPolygon);
1293 
1294                     aNew.transform(maCurrentTransformation * basegfx::tools::createTranslateB2DHomMatrix(fDelta * fUnitScale, 0.0));
1295                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorA, aColorB, fUnitScale)));
1296                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1297                 }
1298             }
1299         }
1300 
1301         void VclProcessor2D::RenderSvgRadialAtomPrimitive2D(const primitive2d::SvgRadialAtomPrimitive2D& rCandidate)
1302         {
1303             const double fDeltaScale(rCandidate.getScaleB() - rCandidate.getScaleA());
1304 
1305             if(basegfx::fTools::more(fDeltaScale, 0.0))
1306             {
1307                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1308                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1309 
1310                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1311                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1312                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1313 
1314                 // use color distance and discrete lengths to calculate step count
1315                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDeltaScale, fDiscreteUnit));
1316 
1317                 // switch off line painting
1318                 mpOutputDevice->SetLineColor();
1319 
1320                 // prepare loop ([0.0 .. 1.0[, full polygons, no polypolygons with holes)
1321                 double fUnitScale(0.0);
1322                 const double fUnitStep(1.0 / nSteps);
1323 
1324                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1325                 {
1326                     basegfx::B2DHomMatrix aTransform;
1327                     const double fEndScale(rCandidate.getScaleB() - (fDeltaScale * fUnitScale));
1328 
1329                     if(rCandidate.isTranslateSet())
1330                     {
1331                         const basegfx::B2DVector aTranslate(
1332                             basegfx::interpolate(
1333                                 rCandidate.getTranslateB(),
1334                                 rCandidate.getTranslateA(),
1335                                 fUnitScale));
1336 
1337                         aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
1338                             fEndScale,
1339                             fEndScale,
1340                             aTranslate.getX(),
1341                             aTranslate.getY());
1342                     }
1343                     else
1344                     {
1345                         aTransform = basegfx::tools::createScaleB2DHomMatrix(
1346                             fEndScale,
1347                             fEndScale);
1348                     }
1349 
1350                     basegfx::B2DPolygon aNew(basegfx::tools::createPolygonFromUnitCircle());
1351 
1352                     aNew.transform(maCurrentTransformation * aTransform);
1353                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorB, aColorA, fUnitScale)));
1354                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1355                 }
1356             }
1357         }
1358 
1359         void VclProcessor2D::adaptLineToFillDrawMode() const
1360         {
1361             const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1362 
1363             if(nOriginalDrawMode & (DRAWMODE_BLACKLINE|DRAWMODE_GRAYLINE|DRAWMODE_GHOSTEDLINE|DRAWMODE_WHITELINE|DRAWMODE_SETTINGSLINE))
1364             {
1365                 sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1366 
1367                 if(nOriginalDrawMode & DRAWMODE_BLACKLINE)
1368                 {
1369                     nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1370                 }
1371                 else
1372                 {
1373                     nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1374                 }
1375 
1376                 if(nOriginalDrawMode & DRAWMODE_GRAYLINE)
1377                 {
1378                     nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1379                 }
1380                 else
1381                 {
1382                     nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1383                 }
1384 
1385                 if(nOriginalDrawMode & DRAWMODE_GHOSTEDLINE)
1386                 {
1387                     nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1388                 }
1389                 else
1390                 {
1391                     nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1392                 }
1393 
1394                 if(nOriginalDrawMode & DRAWMODE_WHITELINE)
1395                 {
1396                     nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1397                 }
1398                 else
1399                 {
1400                     nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1401                 }
1402 
1403                 if(nOriginalDrawMode & DRAWMODE_SETTINGSLINE)
1404                 {
1405                     nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1406                 }
1407                 else
1408                 {
1409                     nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1410                 }
1411 
1412                 mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1413             }
1414         }
1415 
1416         void VclProcessor2D::adaptTextToFillDrawMode() const
1417         {
1418             const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1419             if(nOriginalDrawMode & (DRAWMODE_BLACKTEXT|DRAWMODE_GRAYTEXT|DRAWMODE_GHOSTEDTEXT|DRAWMODE_WHITETEXT|DRAWMODE_SETTINGSTEXT))
1420             {
1421                 sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1422 
1423                 if(nOriginalDrawMode & DRAWMODE_BLACKTEXT)
1424                 {
1425                     nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1426                 }
1427                 else
1428                 {
1429                     nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1430                 }
1431 
1432                 if(nOriginalDrawMode & DRAWMODE_GRAYTEXT)
1433                 {
1434                     nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1435                 }
1436                 else
1437                 {
1438                     nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1439                 }
1440 
1441                 if(nOriginalDrawMode & DRAWMODE_GHOSTEDTEXT)
1442                 {
1443                     nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1444                 }
1445                 else
1446                 {
1447                     nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1448                 }
1449 
1450                 if(nOriginalDrawMode & DRAWMODE_WHITETEXT)
1451                 {
1452                     nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1453                 }
1454                 else
1455                 {
1456                     nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1457                 }
1458 
1459                 if(nOriginalDrawMode & DRAWMODE_SETTINGSTEXT)
1460                 {
1461                     nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1462                 }
1463                 else
1464                 {
1465                     nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1466                 }
1467 
1468                 mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1469             }
1470         }
1471 
1472         //////////////////////////////////////////////////////////////////////////////
1473         // process support
1474 
1475         VclProcessor2D::VclProcessor2D(
1476             const geometry::ViewInformation2D& rViewInformation,
1477             OutputDevice& rOutDev)
1478         :   BaseProcessor2D(rViewInformation),
1479             mpOutputDevice(&rOutDev),
1480             maBColorModifierStack(),
1481             maCurrentTransformation(),
1482             maDrawinglayerOpt(),
1483             mnPolygonStrokePrimitive2D(0)
1484         {
1485             // set digit language, derived from SvtCTLOptions to have the correct
1486             // number display for arabic/hindi numerals
1487             const SvtCTLOptions aSvtCTLOptions;
1488             LanguageType eLang(LANGUAGE_SYSTEM);
1489 
1490             if(SvtCTLOptions::NUMERALS_HINDI == aSvtCTLOptions.GetCTLTextNumerals())
1491             {
1492                 eLang = LANGUAGE_ARABIC_SAUDI_ARABIA;
1493             }
1494             else if(SvtCTLOptions::NUMERALS_ARABIC == aSvtCTLOptions.GetCTLTextNumerals())
1495             {
1496                 eLang = LANGUAGE_ENGLISH;
1497             }
1498             else
1499             {
1500                 eLang = (LanguageType)Application::GetSettings().GetLanguage();
1501             }
1502 
1503             rOutDev.SetDigitLanguage(eLang);
1504         }
1505 
1506         VclProcessor2D::~VclProcessor2D()
1507         {
1508         }
1509     } // end of namespace processor2d
1510 } // end of namespace drawinglayer
1511 
1512 //////////////////////////////////////////////////////////////////////////////
1513 // eof
1514