xref: /AOO41X/main/drawinglayer/source/processor2d/vclprocessor2d.cxx (revision 5be78d22e6c042fbf34ae49f26275dc40c5231d1)
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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 {
calculateStepsForSvgGradient(const basegfx::BColor & rColorA,const basegfx::BColor & rColorB,double fDelta,double fDiscreteUnit)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)
RenderTextSimpleOrDecoratedPortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D & rTextCandidate)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
RenderPolygonHairlinePrimitive2D(const primitive2d::PolygonHairlinePrimitive2D & rPolygonCandidate,bool bPixelBased)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
RenderBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D & rBitmapCandidate)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 
RenderFillGraphicPrimitive2D(const primitive2d::FillGraphicPrimitive2D & rFillBitmapCandidate)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                             // caution: when getting to zero, nothing would be painted; thus, do not allow this
474                             const sal_Int32 nBWidth(std::max(sal_Int32(1), basegfx::fround(aGraphicRange.getWidth())));
475                             const sal_Int32 nBHeight(std::max(sal_Int32(1), basegfx::fround(aGraphicRange.getHeight())));
476 
477                             // only do something when bitmap fill has a size in discrete units
478                             if(nBWidth > 0 && nBHeight > 0)
479                             {
480                                 // nBWidth, nBHeight is the pixel size of the neede bitmap. To not need to scale it
481                                 // in vcl many times, create a size-optimized version
482                                 const Size aNeededBitmapSizePixel(nBWidth, nBHeight);
483                                 BitmapEx aBitmapEx(rFillGraphicAttribute.getGraphic().GetBitmapEx());
484                                 static bool bEnablePreScaling(true);
485                                 const bool bPreScaled(bEnablePreScaling && nBWidth * nBHeight < (250 * 250));
486 
487                                 // ... but only up to a maximum size, else it gets too expensive
488                                 if(bPreScaled)
489                                 {
490                                     // if color depth is below 24bit, expand before scaling for better quality.
491                                     // This is even needed for low colors, else the scale will produce
492                                     // a bitmap in gray or Black/White (!)
493                                     if(aBitmapEx.GetBitCount() < 24)
494                                     {
495                                         aBitmapEx.Convert(BMP_CONVERSION_24BIT);
496                                     }
497 
498                                     aBitmapEx.Scale(aNeededBitmapSizePixel, BMP_SCALE_INTERPOLATE);
499                                 }
500 
501                                 bool bPainted(false);
502 
503                                 if(maBColorModifierStack.count())
504                                 {
505                                     // when color modifier, apply to bitmap
506                                     aBitmapEx = aBitmapEx.ModifyBitmapEx(maBColorModifierStack);
507 
508                                     // impModifyBitmapEx uses empty bitmap as sign to return that
509                                     // the content will be completely replaced to mono color, use shortcut
510                                     if(aBitmapEx.IsEmpty())
511                                     {
512                                         // color gets completely replaced, get it
513                                         const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
514                                         basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
515                                         aPolygon.transform(aLocalTransform);
516 
517                                         mpOutputDevice->SetFillColor(Color(aModifiedColor));
518                                         mpOutputDevice->SetLineColor();
519                                         mpOutputDevice->DrawPolygon(aPolygon);
520 
521                                         bPainted = true;
522                                     }
523                                 }
524 
525                                 if(!bPainted)
526                                 {
527                                     sal_Int32 nBLeft(basegfx::fround(aGraphicRange.getMinX()));
528                                     sal_Int32 nBTop(basegfx::fround(aGraphicRange.getMinY()));
529                                     const sal_Int32 nOLeft(basegfx::fround(aObjectRange.getMinX()));
530                                     const sal_Int32 nOTop(basegfx::fround(aObjectRange.getMinY()));
531                                     sal_Int32 nPosX(0);
532                                     sal_Int32 nPosY(0);
533 
534                                     if(nBLeft > nOLeft)
535                                     {
536                                         const sal_Int32 nDiff((nBLeft / nBWidth) + 1);
537 
538                                         nPosX -= nDiff;
539                                         nBLeft -= nDiff * nBWidth;
540                                     }
541 
542                                     if(nBLeft + nBWidth <= nOLeft)
543                                     {
544                                         const sal_Int32 nDiff(-nBLeft / nBWidth);
545 
546                                         nPosX += nDiff;
547                                         nBLeft += nDiff * nBWidth;
548                                     }
549 
550                                     if(nBTop > nOTop)
551                                     {
552                                         const sal_Int32 nDiff((nBTop / nBHeight) + 1);
553 
554                                         nPosY -= nDiff;
555                                         nBTop -= nDiff * nBHeight;
556                                     }
557 
558                                     if(nBTop + nBHeight <= nOTop)
559                                     {
560                                         const sal_Int32 nDiff(-nBTop / nBHeight);
561 
562                                         nPosY += nDiff;
563                                         nBTop += nDiff * nBHeight;
564                                     }
565 
566                                     // prepare OutDev
567                                     const Point aEmptyPoint(0, 0);
568                                     const Rectangle aVisiblePixel(aEmptyPoint, mpOutputDevice->GetOutputSizePixel());
569                                     const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
570                                     mpOutputDevice->EnableMapMode(false);
571 
572                                     // check if offset is used
573                                     const sal_Int32 nOffsetX(basegfx::fround(rFillGraphicAttribute.getOffsetX() * nBWidth));
574 
575                                     if(nOffsetX)
576                                     {
577                                         // offset in X, so iterate over Y first and draw lines
578                                         for(sal_Int32 nYPos(nBTop); nYPos < nOTop + nOHeight; nYPos += nBHeight, nPosY++)
579                                         {
580                                             for(sal_Int32 nXPos(nPosY % 2 ? nBLeft - nBWidth + nOffsetX : nBLeft);
581                                                 nXPos < nOLeft + nOWidth; nXPos += nBWidth)
582                                             {
583                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
584 
585                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
586                                                 {
587                                                     if(bPreScaled)
588                                                     {
589                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
590                                                     }
591                                                     else
592                                                     {
593                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
594                                                     }
595                                                 }
596                                             }
597                                         }
598                                     }
599                                     else
600                                     {
601                                         // check if offset is used
602                                         const sal_Int32 nOffsetY(basegfx::fround(rFillGraphicAttribute.getOffsetY() * nBHeight));
603 
604                                         // possible offset in Y, so iterate over X first and draw columns
605                                         for(sal_Int32 nXPos(nBLeft); nXPos < nOLeft + nOWidth; nXPos += nBWidth, nPosX++)
606                                         {
607                                             for(sal_Int32 nYPos(nPosX % 2 ? nBTop - nBHeight + nOffsetY : nBTop);
608                                                 nYPos < nOTop + nOHeight; nYPos += nBHeight)
609                                             {
610                                                 const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);
611 
612                                                 if(aOutRectPixel.IsOver(aVisiblePixel))
613                                                 {
614                                                     if(bPreScaled)
615                                                     {
616                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
617                                                     }
618                                                     else
619                                                     {
620                                                         mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aNeededBitmapSizePixel, aBitmapEx);
621                                                     }
622                                                 }
623                                             }
624                                         }
625                                     }
626 
627                                     // restore OutDev
628                                     mpOutputDevice->EnableMapMode(bWasEnabled);
629                                 }
630                             }
631                         }
632                     }
633                 }
634             }
635 
636             if(!bPrimitiveAccepted)
637             {
638                 // do not accept, use decomposition
639                 process(rFillBitmapCandidate.get2DDecomposition(getViewInformation2D()));
640             }
641         }
642 
643         // direct draw of Graphic
RenderPolyPolygonGraphicPrimitive2D(const primitive2d::PolyPolygonGraphicPrimitive2D & rPolygonCandidate)644         void VclProcessor2D::RenderPolyPolygonGraphicPrimitive2D(const primitive2d::PolyPolygonGraphicPrimitive2D& rPolygonCandidate)
645         {
646             bool bDone(false);
647             const basegfx::B2DPolyPolygon& rPolyPolygon = rPolygonCandidate.getB2DPolyPolygon();
648 
649             // #121194# Todo: check if this works
650             if(!rPolyPolygon.count())
651             {
652                 // empty polyPolygon, done
653                 bDone = true;
654             }
655             else
656             {
657                 const attribute::FillGraphicAttribute& rFillGraphicAttribute = rPolygonCandidate.getFillGraphic();
658 
659                 // try to catch cases where the graphic will be color-modified to a single
660                 // color (e.g. shadow)
661                 switch(rFillGraphicAttribute.getGraphic().GetType())
662                 {
663                     case GRAPHIC_GDIMETAFILE:
664                     {
665                         // metafiles are potentially transparent, cannot optimize, not done
666                         break;
667                     }
668                     case GRAPHIC_BITMAP:
669                     {
670                         if(!rFillGraphicAttribute.getGraphic().IsTransparent() && !rFillGraphicAttribute.getGraphic().IsAlpha())
671                         {
672                             // bitmap is not transparent and has no alpha
673                             const sal_uInt32 nBColorModifierStackCount(maBColorModifierStack.count());
674 
675                             if(nBColorModifierStackCount)
676                             {
677                                 const basegfx::BColorModifierSharedPtr& rTopmostModifier = maBColorModifierStack.getBColorModifier(nBColorModifierStackCount - 1);
678                                 const basegfx::BColorModifier_replace* pReplacer = dynamic_cast< const basegfx::BColorModifier_replace* >(rTopmostModifier.get());
679 
680                                 if(pReplacer)
681                                 {
682                                     // the bitmap fill is in unified color, so we can replace it with
683                                     // a single polygon fill. The form of the fill depends on tiling
684                                     if(rFillGraphicAttribute.getTiling())
685                                     {
686                                         // with tiling, fill the whole PolyPolygon with the modifier color
687                                         basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolyPolygon);
688 
689                                         aLocalPolyPolygon.transform(maCurrentTransformation);
690                                         mpOutputDevice->SetLineColor();
691                                         mpOutputDevice->SetFillColor(Color(pReplacer->getBColor()));
692                                         mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
693                                     }
694                                     else
695                                     {
696                                         // without tiling, only the area common to the bitmap tile and the
697                                         // PolyPolygon is filled. Create the bitmap tile area in object
698                                         // coordinates. For this, the object transformation needs to be created
699                                         // from the already scaled PolyPolygon. The tile area in object
700                                         // coordinates wil always be non-rotated, so it's not necessary to
701                                         // work with a polygon here
702                                         basegfx::B2DRange aTileRange(rFillGraphicAttribute.getGraphicRange());
703                                         const basegfx::B2DRange aPolyPolygonRange(rPolyPolygon.getB2DRange());
704                                         const basegfx::B2DHomMatrix aNewObjectTransform(
705                                             basegfx::tools::createScaleTranslateB2DHomMatrix(
706                                                 aPolyPolygonRange.getRange(),
707                                                 aPolyPolygonRange.getMinimum()));
708 
709                                         aTileRange.transform(aNewObjectTransform);
710 
711                                         // now clip the object polyPolygon against the tile range
712                                         // to get the common area
713                                         basegfx::B2DPolyPolygon aTarget = basegfx::tools::clipPolyPolygonOnRange(
714                                             rPolyPolygon,
715                                             aTileRange,
716                                             true,
717                                             false);
718 
719                                         if(aTarget.count())
720                                         {
721                                             aTarget.transform(maCurrentTransformation);
722                                             mpOutputDevice->SetLineColor();
723                                             mpOutputDevice->SetFillColor(Color(pReplacer->getBColor()));
724                                             mpOutputDevice->DrawPolyPolygon(aTarget);
725                                         }
726                                     }
727 
728                                     // simplified output executed, we are done
729                                     bDone = true;
730                                 }
731                             }
732                         }
733                         break;
734                     }
735                     default: //GRAPHIC_NONE, GRAPHIC_DEFAULT
736                     {
737                         // empty graphic, we are done
738                         bDone = true;
739                         break;
740                     }
741                 }
742             }
743 
744             if(!bDone)
745             {
746                 // use default decomposition
747                 process(rPolygonCandidate.get2DDecomposition(getViewInformation2D()));
748             }
749         }
750 
751         // mask group. Force output to VDev and create mask from given mask
RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D & rMaskCandidate)752         void VclProcessor2D::RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D& rMaskCandidate)
753         {
754             if(rMaskCandidate.getChildren().hasElements())
755             {
756                 basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
757 
758                 if(aMask.count())
759                 {
760                     aMask.transform(maCurrentTransformation);
761                     const basegfx::B2DRange aRange(basegfx::tools::getRange(aMask));
762                     impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
763 
764                     if(aBufferDevice.isVisible())
765                     {
766                         // remember last OutDev and set to content
767                         OutputDevice* pLastOutputDevice = mpOutputDevice;
768                         mpOutputDevice = &aBufferDevice.getContent();
769 
770                         // paint to it
771                         process(rMaskCandidate.getChildren());
772 
773                         // back to old OutDev
774                         mpOutputDevice = pLastOutputDevice;
775 
776                         // draw mask
777                         if(getOptionsDrawinglayer().IsAntiAliasing())
778                         {
779                             // with AA, use 8bit AlphaMask to get nice borders
780                             VirtualDevice& rTransparence = aBufferDevice.getTransparence();
781                             rTransparence.SetLineColor();
782                             rTransparence.SetFillColor(COL_BLACK);
783                             rTransparence.DrawPolyPolygon(aMask);
784 
785                             // dump buffer to outdev
786                             aBufferDevice.paint();
787                         }
788                         else
789                         {
790                             // No AA, use 1bit mask
791                             VirtualDevice& rMask = aBufferDevice.getMask();
792                             rMask.SetLineColor();
793                             rMask.SetFillColor(COL_BLACK);
794                             rMask.DrawPolyPolygon(aMask);
795 
796                             // dump buffer to outdev
797                             aBufferDevice.paint();
798                         }
799                     }
800                 }
801             }
802         }
803 
804         // modified color group. Force output to unified color.
RenderModifiedColorPrimitive2D(const primitive2d::ModifiedColorPrimitive2D & rModifiedCandidate)805         void VclProcessor2D::RenderModifiedColorPrimitive2D(const primitive2d::ModifiedColorPrimitive2D& rModifiedCandidate)
806         {
807             if(rModifiedCandidate.getChildren().hasElements())
808             {
809                 maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
810                 process(rModifiedCandidate.getChildren());
811                 maBColorModifierStack.pop();
812             }
813         }
814 
815         // unified sub-transparence. Draw to VDev first.
RenderUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D & rTransCandidate)816         void VclProcessor2D::RenderUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D& rTransCandidate)
817         {
818             static bool bForceToDecomposition(false);
819 
820             if(rTransCandidate.getChildren().hasElements())
821             {
822                 if(bForceToDecomposition)
823                 {
824                     // use decomposition
825                     process(rTransCandidate.get2DDecomposition(getViewInformation2D()));
826                 }
827                 else
828                 {
829                     if(0.0 == rTransCandidate.getTransparence())
830                     {
831                         // no transparence used, so just use the content
832                         process(rTransCandidate.getChildren());
833                     }
834                     else if(rTransCandidate.getTransparence() > 0.0 && rTransCandidate.getTransparence() < 1.0)
835                     {
836                         // transparence is in visible range
837                         basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
838                         aRange.transform(maCurrentTransformation);
839                         impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
840 
841                         if(aBufferDevice.isVisible())
842                         {
843                             // remember last OutDev and set to content
844                             OutputDevice* pLastOutputDevice = mpOutputDevice;
845                             mpOutputDevice = &aBufferDevice.getContent();
846 
847                             // paint content to it
848                             process(rTransCandidate.getChildren());
849 
850                             // back to old OutDev
851                             mpOutputDevice = pLastOutputDevice;
852 
853                             // dump buffer to outdev using given transparence
854                             aBufferDevice.paint(rTransCandidate.getTransparence());
855                         }
856                     }
857                 }
858             }
859         }
860 
861         // sub-transparence group. Draw to VDev first.
RenderTransparencePrimitive2D(const primitive2d::TransparencePrimitive2D & rTransCandidate)862         void VclProcessor2D::RenderTransparencePrimitive2D(const primitive2d::TransparencePrimitive2D& rTransCandidate)
863         {
864             if(rTransCandidate.getChildren().hasElements())
865             {
866                 basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
867                 aRange.transform(maCurrentTransformation);
868                 impBufferDevice aBufferDevice(*mpOutputDevice, aRange, true);
869 
870                 if(aBufferDevice.isVisible())
871                 {
872                     // remember last OutDev and set to content
873                     OutputDevice* pLastOutputDevice = mpOutputDevice;
874                     mpOutputDevice = &aBufferDevice.getContent();
875 
876                     // paint content to it
877                     process(rTransCandidate.getChildren());
878 
879                     // set to mask
880                     mpOutputDevice = &aBufferDevice.getTransparence();
881 
882                     // when painting transparence masks, reset the color stack
883                     basegfx::BColorModifierStack aLastBColorModifierStack(maBColorModifierStack);
884                     maBColorModifierStack = basegfx::BColorModifierStack();
885 
886                     // paint mask to it (always with transparence intensities, evtl. with AA)
887                     process(rTransCandidate.getTransparence());
888 
889                     // back to old color stack
890                     maBColorModifierStack = aLastBColorModifierStack;
891 
892                     // back to old OutDev
893                     mpOutputDevice = pLastOutputDevice;
894 
895                     // dump buffer to outdev
896                     aBufferDevice.paint();
897                 }
898             }
899         }
900 
901         // transform group.
RenderTransformPrimitive2D(const primitive2d::TransformPrimitive2D & rTransformCandidate)902         void VclProcessor2D::RenderTransformPrimitive2D(const primitive2d::TransformPrimitive2D& rTransformCandidate)
903         {
904             // remember current transformation and ViewInformation
905             const basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);
906             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
907 
908             // create new transformations for CurrentTransformation
909             // and for local ViewInformation2D
910             maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();
911             const geometry::ViewInformation2D aViewInformation2D(
912                 getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
913                 getViewInformation2D().getViewTransformation(),
914                 getViewInformation2D().getViewport(),
915                 getViewInformation2D().getVisualizedPage(),
916                 getViewInformation2D().getViewTime(),
917                 getViewInformation2D().getExtendedInformationSequence());
918             updateViewInformation(aViewInformation2D);
919 
920             // proccess content
921             process(rTransformCandidate.getChildren());
922 
923             // restore transformations
924             maCurrentTransformation = aLastCurrentTransformation;
925             updateViewInformation(aLastViewInformation2D);
926         }
927 
928         // new XDrawPage for ViewInformation2D
RenderPagePreviewPrimitive2D(const primitive2d::PagePreviewPrimitive2D & rPagePreviewCandidate)929         void VclProcessor2D::RenderPagePreviewPrimitive2D(const primitive2d::PagePreviewPrimitive2D& rPagePreviewCandidate)
930         {
931             // remember current transformation and ViewInformation
932             const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
933 
934             // create new local ViewInformation2D
935             const geometry::ViewInformation2D aViewInformation2D(
936                 getViewInformation2D().getObjectTransformation(),
937                 getViewInformation2D().getViewTransformation(),
938                 getViewInformation2D().getViewport(),
939                 rPagePreviewCandidate.getXDrawPage(),
940                 getViewInformation2D().getViewTime(),
941                 getViewInformation2D().getExtendedInformationSequence());
942             updateViewInformation(aViewInformation2D);
943 
944             // proccess decomposed content
945             process(rPagePreviewCandidate.get2DDecomposition(getViewInformation2D()));
946 
947             // restore transformations
948             updateViewInformation(aLastViewInformation2D);
949         }
950 
951         // marker
RenderMarkerArrayPrimitive2D(const primitive2d::MarkerArrayPrimitive2D & rMarkArrayCandidate)952         void VclProcessor2D::RenderMarkerArrayPrimitive2D(const primitive2d::MarkerArrayPrimitive2D& rMarkArrayCandidate)
953         {
954             static bool bCheckCompleteMarkerDecompose(false);
955             if(bCheckCompleteMarkerDecompose)
956             {
957                 process(rMarkArrayCandidate.get2DDecomposition(getViewInformation2D()));
958                 return;
959             }
960 
961             // get data
962             const std::vector< basegfx::B2DPoint >& rPositions = rMarkArrayCandidate.getPositions();
963             const sal_uInt32 nCount(rPositions.size());
964 
965             if(nCount && !rMarkArrayCandidate.getMarker().IsEmpty())
966             {
967                 // get pixel size
968                 const BitmapEx& rMarker(rMarkArrayCandidate.getMarker());
969                 const Size aBitmapSize(rMarker.GetSizePixel());
970 
971                 if(aBitmapSize.Width() && aBitmapSize.Height())
972                 {
973                     // get discrete half size
974                     const basegfx::B2DVector aDiscreteHalfSize(
975                         (aBitmapSize.getWidth() - 1.0) * 0.5,
976                         (aBitmapSize.getHeight() - 1.0) * 0.5);
977                     const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
978 
979                     // do not forget evtl. moved origin in target device MapMode when
980                     // switching it off; it would be missing and lead to wrong positions.
981                     // All his could be done using logic sizes and coordinates, too, but
982                     // we want a 1:1 bitmap rendering here, so it's more safe and faster
983                     // to work with switching off MapMode usage completely.
984                     const Point aOrigin(mpOutputDevice->GetMapMode().GetOrigin());
985 
986                     mpOutputDevice->EnableMapMode(false);
987 
988                     for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
989                     {
990                         const basegfx::B2DPoint aDiscreteTopLeft((maCurrentTransformation * (*aIter)) - aDiscreteHalfSize);
991                         const Point aDiscretePoint(basegfx::fround(aDiscreteTopLeft.getX()), basegfx::fround(aDiscreteTopLeft.getY()));
992 
993                         mpOutputDevice->DrawBitmapEx(aDiscretePoint + aOrigin, rMarker);
994                     }
995 
996                     mpOutputDevice->EnableMapMode(bWasEnabled);
997                 }
998             }
999         }
1000 
1001         // point
RenderPointArrayPrimitive2D(const primitive2d::PointArrayPrimitive2D & rPointArrayCandidate)1002         void VclProcessor2D::RenderPointArrayPrimitive2D(const primitive2d::PointArrayPrimitive2D& rPointArrayCandidate)
1003         {
1004             const std::vector< basegfx::B2DPoint >& rPositions = rPointArrayCandidate.getPositions();
1005             const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(rPointArrayCandidate.getRGBColor()));
1006             const Color aVCLColor(aRGBColor);
1007 
1008             for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
1009             {
1010                 const basegfx::B2DPoint aViewPosition(maCurrentTransformation * (*aIter));
1011                 const Point aPos(basegfx::fround(aViewPosition.getX()), basegfx::fround(aViewPosition.getY()));
1012 
1013                 mpOutputDevice->DrawPixel(aPos, aVCLColor);
1014             }
1015         }
1016 
RenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D & rPolygonStrokeCandidate)1017         void VclProcessor2D::RenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokeCandidate)
1018         {
1019             // #i101491# method restructured to clearly use the DrawPolyLine
1020             // calls starting from a deined line width
1021             const attribute::LineAttribute& rLineAttribute = rPolygonStrokeCandidate.getLineAttribute();
1022             const double fLineWidth(rLineAttribute.getWidth());
1023             bool bDone(false);
1024 
1025             if(basegfx::fTools::more(fLineWidth, 0.0))
1026             {
1027                 const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(fLineWidth, 0.0));
1028                 const double fDiscreteLineWidth(aDiscreteUnit.getLength());
1029                 const attribute::StrokeAttribute& rStrokeAttribute = rPolygonStrokeCandidate.getStrokeAttribute();
1030                 const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rLineAttribute.getColor()));
1031                 basegfx::B2DPolyPolygon aHairlinePolyPolygon;
1032 
1033                 mpOutputDevice->SetLineColor(Color(aHairlineColor));
1034                 mpOutputDevice->SetFillColor();
1035 
1036                 if(0.0 == rStrokeAttribute.getFullDotDashLen())
1037                 {
1038                     // no line dashing, just copy
1039                     aHairlinePolyPolygon.append(rPolygonStrokeCandidate.getB2DPolygon());
1040                 }
1041                 else
1042                 {
1043                     // else apply LineStyle
1044                     basegfx::tools::applyLineDashing(rPolygonStrokeCandidate.getB2DPolygon(),
1045                         rStrokeAttribute.getDotDashArray(),
1046                         &aHairlinePolyPolygon, 0, rStrokeAttribute.getFullDotDashLen());
1047                 }
1048 
1049                 const sal_uInt32 nCount(aHairlinePolyPolygon.count());
1050 
1051                 if(nCount)
1052                 {
1053                     const bool bAntiAliased(getOptionsDrawinglayer().IsAntiAliasing());
1054                     aHairlinePolyPolygon.transform(maCurrentTransformation);
1055 
1056                     if(bAntiAliased)
1057                     {
1058                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.0))
1059                         {
1060                             // line in range ]0.0 .. 1.0[
1061                             // paint as simple hairline
1062                             for(sal_uInt32 a(0); a < nCount; a++)
1063                             {
1064                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1065                             }
1066 
1067                             bDone = true;
1068                         }
1069                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.0))
1070                         {
1071                             // line in range [1.0 .. 2.0[
1072                             // paint as 2x2 with dynamic line distance
1073                             basegfx::B2DHomMatrix aMat;
1074                             const double fDistance(fDiscreteLineWidth - 1.0);
1075                             const double fHalfDistance(fDistance * 0.5);
1076 
1077                             for(sal_uInt32 a(0); a < nCount; a++)
1078                             {
1079                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1080 
1081                                 aMat.set(0, 2, -fHalfDistance);
1082                                 aMat.set(1, 2, -fHalfDistance);
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                                 aMat.set(0, 2, 0.0);
1092                                 aMat.set(1, 2, fDistance);
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 
1102                             bDone = true;
1103                         }
1104                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 3.0))
1105                         {
1106                             // line in range [2.0 .. 3.0]
1107                             // paint as cross in a 3x3  with dynamic line distance
1108                             basegfx::B2DHomMatrix aMat;
1109                             const double fDistance((fDiscreteLineWidth - 1.0) * 0.5);
1110 
1111                             for(sal_uInt32 a(0); a < nCount; a++)
1112                             {
1113                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1114 
1115                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1116 
1117                                 aMat.set(0, 2, -fDistance);
1118                                 aMat.set(1, 2, 0.0);
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                                 aMat.set(0, 2, fDistance);
1128                                 aMat.set(1, 2, fDistance);
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 
1138                             bDone = true;
1139                         }
1140                         else
1141                         {
1142                             // #i101491# line width above 3.0
1143                         }
1144                     }
1145                     else
1146                     {
1147                         if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 1.5))
1148                         {
1149                             // line width below 1.5, draw the basic hairline polygon
1150                             for(sal_uInt32 a(0); a < nCount; a++)
1151                             {
1152                                 mpOutputDevice->DrawPolyLine(aHairlinePolyPolygon.getB2DPolygon(a), 0.0);
1153                             }
1154 
1155                             bDone = true;
1156                         }
1157                         else if(basegfx::fTools::lessOrEqual(fDiscreteLineWidth, 2.5))
1158                         {
1159                             // line width is in range ]1.5 .. 2.5], use four hairlines
1160                             // drawn in a square
1161                             for(sal_uInt32 a(0); a < nCount; a++)
1162                             {
1163                                 basegfx::B2DPolygon aCandidate(aHairlinePolyPolygon.getB2DPolygon(a));
1164                                 basegfx::B2DHomMatrix aMat;
1165 
1166                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1167 
1168                                 aMat.set(0, 2, 1.0);
1169                                 aMat.set(1, 2, 0.0);
1170                                 aCandidate.transform(aMat);
1171 
1172                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1173 
1174                                 aMat.set(0, 2, 0.0);
1175                                 aMat.set(1, 2, 1.0);
1176                                 aCandidate.transform(aMat);
1177 
1178                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1179 
1180                                 aMat.set(0, 2, -1.0);
1181                                 aMat.set(1, 2, 0.0);
1182                                 aCandidate.transform(aMat);
1183 
1184                                 mpOutputDevice->DrawPolyLine(aCandidate, 0.0);
1185                             }
1186 
1187                             bDone = true;
1188                         }
1189                         else
1190                         {
1191                             // #i101491# line width is above 2.5
1192                         }
1193                     }
1194 
1195                     if(!bDone && rPolygonStrokeCandidate.getB2DPolygon().count() > 1000)
1196                     {
1197                         // #i101491# If the polygon complexity uses more than a given amount, do
1198                         // use OuputDevice::DrawPolyLine directly; this will avoid buffering all
1199                         // decompositions in primtives (memory) and fallback to old line painting
1200                         // for very complex polygons, too
1201                         for(sal_uInt32 a(0); a < nCount; a++)
1202                         {
1203                             mpOutputDevice->DrawPolyLine(
1204                                 aHairlinePolyPolygon.getB2DPolygon(a),
1205                                 fDiscreteLineWidth,
1206                                 rLineAttribute.getLineJoin(),
1207                                 rLineAttribute.getLineCap());
1208                         }
1209 
1210                         bDone = true;
1211                     }
1212                 }
1213             }
1214 
1215             if(!bDone)
1216             {
1217                 // remeber that we enter a PolygonStrokePrimitive2D decomposition,
1218                 // used for AA thick line drawing
1219                 mnPolygonStrokePrimitive2D++;
1220 
1221                 // line width is big enough for standard filled polygon visualisation or zero
1222                 process(rPolygonStrokeCandidate.get2DDecomposition(getViewInformation2D()));
1223 
1224                 // leave PolygonStrokePrimitive2D
1225                 mnPolygonStrokePrimitive2D--;
1226             }
1227         }
1228 
RenderEpsPrimitive2D(const primitive2d::EpsPrimitive2D & rEpsPrimitive2D)1229         void VclProcessor2D::RenderEpsPrimitive2D(const primitive2d::EpsPrimitive2D& rEpsPrimitive2D)
1230         {
1231             // The new decomposition of Metafiles made it necessary to add an Eps
1232             // primitive to handle embedded Eps data. On some devices, this can be
1233             // painted directly (mac, printer).
1234             // To be able to handle the replacement correctly, i need to handle it myself
1235             // since DrawEPS will not be able e.g. to rotate the replacement. To be able
1236             // to do that, i added a boolean return to OutputDevice::DrawEPS(..)
1237             // to know when EPS was handled directly already.
1238             basegfx::B2DRange aRange(0.0, 0.0, 1.0, 1.0);
1239             aRange.transform(maCurrentTransformation * rEpsPrimitive2D.getEpsTransform());
1240 
1241             if(!aRange.isEmpty())
1242             {
1243                 const Rectangle aRectangle(
1244                     (sal_Int32)floor(aRange.getMinX()), (sal_Int32)floor(aRange.getMinY()),
1245                     (sal_Int32)ceil(aRange.getMaxX()), (sal_Int32)ceil(aRange.getMaxY()));
1246 
1247                 if(!aRectangle.IsEmpty())
1248                 {
1249                     // try to paint EPS directly without fallback visualisation
1250                     const bool bEPSPaintedDirectly(mpOutputDevice->DrawEPS(
1251                         aRectangle.TopLeft(),
1252                         aRectangle.GetSize(),
1253                         rEpsPrimitive2D.getGfxLink(),
1254                         0));
1255 
1256                     if(!bEPSPaintedDirectly)
1257                     {
1258                         // use the decomposition which will correctly handle the
1259                         // fallback visualisation using full transformation (e.g. rotation)
1260                         process(rEpsPrimitive2D.get2DDecomposition(getViewInformation2D()));
1261                     }
1262                 }
1263             }
1264         }
1265 
RenderSvgLinearAtomPrimitive2D(const primitive2d::SvgLinearAtomPrimitive2D & rCandidate)1266         void VclProcessor2D::RenderSvgLinearAtomPrimitive2D(const primitive2d::SvgLinearAtomPrimitive2D& rCandidate)
1267         {
1268             const double fDelta(rCandidate.getOffsetB() - rCandidate.getOffsetA());
1269 
1270             if(basegfx::fTools::more(fDelta, 0.0))
1271             {
1272                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1273                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1274 
1275                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1276                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1277                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1278 
1279                 // use color distance and discrete lengths to calculate step count
1280                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDelta, fDiscreteUnit));
1281 
1282                 // switch off line painting
1283                 mpOutputDevice->SetLineColor();
1284 
1285                 // prepare polygon in needed width at start position (with discrete overlap)
1286                 const basegfx::B2DPolygon aPolygon(
1287                     basegfx::tools::createPolygonFromRect(
1288                         basegfx::B2DRange(
1289                             rCandidate.getOffsetA() - fDiscreteUnit,
1290                             0.0,
1291                             rCandidate.getOffsetA() + (fDelta / nSteps) + fDiscreteUnit,
1292                             1.0)));
1293 
1294 
1295                 // prepare loop ([0.0 .. 1.0[)
1296                 double fUnitScale(0.0);
1297                 const double fUnitStep(1.0 / nSteps);
1298 
1299                 // loop and paint
1300                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1301                 {
1302                     basegfx::B2DPolygon aNew(aPolygon);
1303 
1304                     aNew.transform(maCurrentTransformation * basegfx::tools::createTranslateB2DHomMatrix(fDelta * fUnitScale, 0.0));
1305                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorA, aColorB, fUnitScale)));
1306                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1307                 }
1308             }
1309         }
1310 
RenderSvgRadialAtomPrimitive2D(const primitive2d::SvgRadialAtomPrimitive2D & rCandidate)1311         void VclProcessor2D::RenderSvgRadialAtomPrimitive2D(const primitive2d::SvgRadialAtomPrimitive2D& rCandidate)
1312         {
1313             const double fDeltaScale(rCandidate.getScaleB() - rCandidate.getScaleA());
1314 
1315             if(basegfx::fTools::more(fDeltaScale, 0.0))
1316             {
1317                 const basegfx::BColor aColorA(maBColorModifierStack.getModifiedColor(rCandidate.getColorA()));
1318                 const basegfx::BColor aColorB(maBColorModifierStack.getModifiedColor(rCandidate.getColorB()));
1319 
1320                 // calculate discrete unit in WorldCoordinates; use diagonal (1.0, 1.0) and divide by sqrt(2)
1321                 const basegfx::B2DVector aDiscreteVector(getViewInformation2D().getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0));
1322                 const double fDiscreteUnit(aDiscreteVector.getLength() * (1.0 / 1.414213562373));
1323 
1324                 // use color distance and discrete lengths to calculate step count
1325                 const sal_uInt32 nSteps(calculateStepsForSvgGradient(aColorA, aColorB, fDeltaScale, fDiscreteUnit));
1326 
1327                 // switch off line painting
1328                 mpOutputDevice->SetLineColor();
1329 
1330                 // prepare loop ([0.0 .. 1.0[, full polygons, no polypolygons with holes)
1331                 double fUnitScale(0.0);
1332                 const double fUnitStep(1.0 / nSteps);
1333 
1334                 for(sal_uInt32 a(0); a < nSteps; a++, fUnitScale += fUnitStep)
1335                 {
1336                     basegfx::B2DHomMatrix aTransform;
1337                     const double fEndScale(rCandidate.getScaleB() - (fDeltaScale * fUnitScale));
1338 
1339                     if(rCandidate.isTranslateSet())
1340                     {
1341                         const basegfx::B2DVector aTranslate(
1342                             basegfx::interpolate(
1343                                 rCandidate.getTranslateB(),
1344                                 rCandidate.getTranslateA(),
1345                                 fUnitScale));
1346 
1347                         aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
1348                             fEndScale,
1349                             fEndScale,
1350                             aTranslate.getX(),
1351                             aTranslate.getY());
1352                     }
1353                     else
1354                     {
1355                         aTransform = basegfx::tools::createScaleB2DHomMatrix(
1356                             fEndScale,
1357                             fEndScale);
1358                     }
1359 
1360                     basegfx::B2DPolygon aNew(basegfx::tools::createPolygonFromUnitCircle());
1361 
1362                     aNew.transform(maCurrentTransformation * aTransform);
1363                     mpOutputDevice->SetFillColor(Color(basegfx::interpolate(aColorB, aColorA, fUnitScale)));
1364                     mpOutputDevice->DrawPolyPolygon(basegfx::B2DPolyPolygon(aNew));
1365                 }
1366             }
1367         }
1368 
adaptLineToFillDrawMode() const1369         void VclProcessor2D::adaptLineToFillDrawMode() const
1370         {
1371             const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1372 
1373             if(nOriginalDrawMode & (DRAWMODE_BLACKLINE|DRAWMODE_GRAYLINE|DRAWMODE_GHOSTEDLINE|DRAWMODE_WHITELINE|DRAWMODE_SETTINGSLINE))
1374             {
1375                 sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1376 
1377                 if(nOriginalDrawMode & DRAWMODE_BLACKLINE)
1378                 {
1379                     nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1380                 }
1381                 else
1382                 {
1383                     nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1384                 }
1385 
1386                 if(nOriginalDrawMode & DRAWMODE_GRAYLINE)
1387                 {
1388                     nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1389                 }
1390                 else
1391                 {
1392                     nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1393                 }
1394 
1395                 if(nOriginalDrawMode & DRAWMODE_GHOSTEDLINE)
1396                 {
1397                     nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1398                 }
1399                 else
1400                 {
1401                     nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1402                 }
1403 
1404                 if(nOriginalDrawMode & DRAWMODE_WHITELINE)
1405                 {
1406                     nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1407                 }
1408                 else
1409                 {
1410                     nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1411                 }
1412 
1413                 if(nOriginalDrawMode & DRAWMODE_SETTINGSLINE)
1414                 {
1415                     nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1416                 }
1417                 else
1418                 {
1419                     nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1420                 }
1421 
1422                 mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1423             }
1424         }
1425 
adaptTextToFillDrawMode() const1426         void VclProcessor2D::adaptTextToFillDrawMode() const
1427         {
1428             const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
1429             if(nOriginalDrawMode & (DRAWMODE_BLACKTEXT|DRAWMODE_GRAYTEXT|DRAWMODE_GHOSTEDTEXT|DRAWMODE_WHITETEXT|DRAWMODE_SETTINGSTEXT))
1430             {
1431                 sal_uInt32 nAdaptedDrawMode(nOriginalDrawMode);
1432 
1433                 if(nOriginalDrawMode & DRAWMODE_BLACKTEXT)
1434                 {
1435                     nAdaptedDrawMode |= DRAWMODE_BLACKFILL;
1436                 }
1437                 else
1438                 {
1439                     nAdaptedDrawMode &= ~DRAWMODE_BLACKFILL;
1440                 }
1441 
1442                 if(nOriginalDrawMode & DRAWMODE_GRAYTEXT)
1443                 {
1444                     nAdaptedDrawMode |= DRAWMODE_GRAYFILL;
1445                 }
1446                 else
1447                 {
1448                     nAdaptedDrawMode &= ~DRAWMODE_GRAYFILL;
1449                 }
1450 
1451                 if(nOriginalDrawMode & DRAWMODE_GHOSTEDTEXT)
1452                 {
1453                     nAdaptedDrawMode |= DRAWMODE_GHOSTEDFILL;
1454                 }
1455                 else
1456                 {
1457                     nAdaptedDrawMode &= ~DRAWMODE_GHOSTEDFILL;
1458                 }
1459 
1460                 if(nOriginalDrawMode & DRAWMODE_WHITETEXT)
1461                 {
1462                     nAdaptedDrawMode |= DRAWMODE_WHITEFILL;
1463                 }
1464                 else
1465                 {
1466                     nAdaptedDrawMode &= ~DRAWMODE_WHITEFILL;
1467                 }
1468 
1469                 if(nOriginalDrawMode & DRAWMODE_SETTINGSTEXT)
1470                 {
1471                     nAdaptedDrawMode |= DRAWMODE_SETTINGSFILL;
1472                 }
1473                 else
1474                 {
1475                     nAdaptedDrawMode &= ~DRAWMODE_SETTINGSFILL;
1476                 }
1477 
1478                 mpOutputDevice->SetDrawMode(nAdaptedDrawMode);
1479             }
1480         }
1481 
1482         //////////////////////////////////////////////////////////////////////////////
1483         // process support
1484 
VclProcessor2D(const geometry::ViewInformation2D & rViewInformation,OutputDevice & rOutDev)1485         VclProcessor2D::VclProcessor2D(
1486             const geometry::ViewInformation2D& rViewInformation,
1487             OutputDevice& rOutDev)
1488         :   BaseProcessor2D(rViewInformation),
1489             mpOutputDevice(&rOutDev),
1490             maBColorModifierStack(),
1491             maCurrentTransformation(),
1492             maDrawinglayerOpt(),
1493             mnPolygonStrokePrimitive2D(0)
1494         {
1495             // set digit language, derived from SvtCTLOptions to have the correct
1496             // number display for arabic/hindi numerals
1497             const SvtCTLOptions aSvtCTLOptions;
1498             LanguageType eLang(LANGUAGE_SYSTEM);
1499 
1500             if(SvtCTLOptions::NUMERALS_HINDI == aSvtCTLOptions.GetCTLTextNumerals())
1501             {
1502                 eLang = LANGUAGE_ARABIC_SAUDI_ARABIA;
1503             }
1504             else if(SvtCTLOptions::NUMERALS_ARABIC == aSvtCTLOptions.GetCTLTextNumerals())
1505             {
1506                 eLang = LANGUAGE_ENGLISH;
1507             }
1508             else
1509             {
1510                 eLang = (LanguageType)Application::GetSettings().GetLanguage();
1511             }
1512 
1513             rOutDev.SetDigitLanguage(eLang);
1514         }
1515 
~VclProcessor2D()1516         VclProcessor2D::~VclProcessor2D()
1517         {
1518         }
1519     } // end of namespace processor2d
1520 } // end of namespace drawinglayer
1521 
1522 //////////////////////////////////////////////////////////////////////////////
1523 // eof
1524