xref: /AOO41X/main/vcl/source/gdi/outdev2.cxx (revision 33c964a9b6f960b198b01db38c39f5d5bd017a9d)
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21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_vcl.hxx"
24 
25 #include <tools/debug.hxx>
26 #include <vcl/bitmap.hxx>
27 #include <vcl/bitmapex.hxx>
28 #include <vcl/window.hxx>
29 #include <vcl/metaact.hxx>
30 #include <vcl/gdimtf.hxx>
31 #include <vcl/virdev.hxx>
32 #include <vcl/bmpacc.hxx>
33 #include <vcl/outdev.hxx>
34 #include <vcl/window.hxx>
35 #include <vcl/image.hxx>
36 #include <bmpfast.hxx>
37 #include <salbmp.hxx>
38 #include <salgdi.hxx>
39 #include <impbmp.hxx>
40 #include <sallayout.hxx>
41 #include <image.h>
42 #include <outdev.h>
43 #include <window.h>
44 #include <outdata.hxx>
45 #include <basegfx/matrix/b2dhommatrix.hxx>
46 #include <basegfx/matrix/b2dhommatrixtools.hxx>
47 
48 #define BAND_MAX_SIZE 512000
49 
50 // =======================================================================
51 
52 DBG_NAMEEX( OutputDevice )
53 
54 // =======================================================================
55 
56 // -----------
57 // - Defines -
58 // -----------
59 
60 #define OUTDEV_INIT()                       \
61 {                                           \
62     if ( !IsDeviceOutputNecessary() )       \
63         return;                             \
64                                             \
65     if ( !mpGraphics )                      \
66         if ( !ImplGetGraphics() )           \
67             return;                         \
68                                             \
69     if ( mbInitClipRegion )                 \
70         ImplInitClipRegion();               \
71                                             \
72     if ( mbOutputClipped )                  \
73         return;                             \
74 }
75 
76 // -------------
77 // - externals -
78 // -------------
79 
80 extern sal_uLong nVCLRLut[ 6 ];
81 extern sal_uLong nVCLGLut[ 6 ];
82 extern sal_uLong nVCLBLut[ 6 ];
83 extern sal_uLong nVCLDitherLut[ 256 ];
84 extern sal_uLong nVCLLut[ 256 ];
85 
86 // =======================================================================
87 
88 sal_uLong ImplAdjustTwoRect( SalTwoRect& rTwoRect, const Size& rSizePix )
89 {
90     sal_uLong nMirrFlags = 0;
91 
92     if ( rTwoRect.mnDestWidth < 0 )
93     {
94         rTwoRect.mnSrcX = rSizePix.Width() - rTwoRect.mnSrcX - rTwoRect.mnSrcWidth;
95         rTwoRect.mnDestWidth = -rTwoRect.mnDestWidth;
96         rTwoRect.mnDestX -= rTwoRect.mnDestWidth-1;
97         nMirrFlags |= BMP_MIRROR_HORZ;
98     }
99 
100     if ( rTwoRect.mnDestHeight < 0 )
101     {
102         rTwoRect.mnSrcY = rSizePix.Height() - rTwoRect.mnSrcY - rTwoRect.mnSrcHeight;
103         rTwoRect.mnDestHeight = -rTwoRect.mnDestHeight;
104         rTwoRect.mnDestY -= rTwoRect.mnDestHeight-1;
105         nMirrFlags |= BMP_MIRROR_VERT;
106     }
107 
108     if( ( rTwoRect.mnSrcX < 0 ) || ( rTwoRect.mnSrcX >= rSizePix.Width() ) ||
109         ( rTwoRect.mnSrcY < 0 ) || ( rTwoRect.mnSrcY >= rSizePix.Height() ) ||
110         ( ( rTwoRect.mnSrcX + rTwoRect.mnSrcWidth ) > rSizePix.Width() ) ||
111         ( ( rTwoRect.mnSrcY + rTwoRect.mnSrcHeight ) > rSizePix.Height() ) )
112     {
113         const Rectangle aSourceRect( Point( rTwoRect.mnSrcX, rTwoRect.mnSrcY ),
114                                      Size( rTwoRect.mnSrcWidth, rTwoRect.mnSrcHeight ) );
115         Rectangle       aCropRect( aSourceRect );
116 
117         aCropRect.Intersection( Rectangle( Point(), rSizePix ) );
118 
119         if( aCropRect.IsEmpty() )
120             rTwoRect.mnSrcWidth = rTwoRect.mnSrcHeight = rTwoRect.mnDestWidth = rTwoRect.mnDestHeight = 0;
121         else
122         {
123             const double    fFactorX = ( rTwoRect.mnSrcWidth > 1 ) ? (double) ( rTwoRect.mnDestWidth - 1 ) / ( rTwoRect.mnSrcWidth - 1 ) : 0.0;
124             const double    fFactorY = ( rTwoRect.mnSrcHeight > 1 ) ? (double) ( rTwoRect.mnDestHeight - 1 ) / ( rTwoRect.mnSrcHeight - 1 ) : 0.0;
125 
126             const long nDstX1 = rTwoRect.mnDestX + FRound( fFactorX * ( aCropRect.Left() - rTwoRect.mnSrcX ) );
127             const long nDstY1 = rTwoRect.mnDestY + FRound( fFactorY * ( aCropRect.Top() - rTwoRect.mnSrcY ) );
128             const long nDstX2 = rTwoRect.mnDestX + FRound( fFactorX * ( aCropRect.Right() - rTwoRect.mnSrcX ) );
129             const long nDstY2 = rTwoRect.mnDestY + FRound( fFactorY * ( aCropRect.Bottom() - rTwoRect.mnSrcY ) );
130 
131             rTwoRect.mnSrcX = aCropRect.Left();
132             rTwoRect.mnSrcY = aCropRect.Top();
133             rTwoRect.mnSrcWidth = aCropRect.GetWidth();
134             rTwoRect.mnSrcHeight = aCropRect.GetHeight();
135             rTwoRect.mnDestX = nDstX1;
136             rTwoRect.mnDestY = nDstY1;
137             rTwoRect.mnDestWidth = nDstX2 - nDstX1 + 1;
138             rTwoRect.mnDestHeight = nDstY2 - nDstY1 + 1;
139         }
140     }
141 
142     return nMirrFlags;
143 }
144 
145 // =======================================================================
146 
147 void OutputDevice::ImplDrawOutDevDirect( const OutputDevice* pSrcDev, SalTwoRect& rPosAry )
148 {
149     SalGraphics*        pGraphics2;
150 
151     if ( rPosAry.mnSrcWidth && rPosAry.mnSrcHeight && rPosAry.mnDestWidth && rPosAry.mnDestHeight )
152     {
153         if ( this == pSrcDev )
154             pGraphics2 = NULL;
155         else
156         {
157             if ( (GetOutDevType() != pSrcDev->GetOutDevType()) ||
158                  (GetOutDevType() != OUTDEV_WINDOW) )
159             {
160                 if ( !pSrcDev->mpGraphics )
161                 {
162                     if ( !((OutputDevice*)pSrcDev)->ImplGetGraphics() )
163                         return;
164                 }
165                 pGraphics2 = pSrcDev->mpGraphics;
166             }
167             else
168             {
169                 if ( ((Window*)this)->mpWindowImpl->mpFrameWindow == ((Window*)pSrcDev)->mpWindowImpl->mpFrameWindow )
170                     pGraphics2 = NULL;
171                 else
172                 {
173                     if ( !pSrcDev->mpGraphics )
174                     {
175                         if ( !((OutputDevice*)pSrcDev)->ImplGetGraphics() )
176                             return;
177                     }
178                     pGraphics2 = pSrcDev->mpGraphics;
179 
180                     if ( !mpGraphics )
181                     {
182                         if ( !ImplGetGraphics() )
183                             return;
184                     }
185                     DBG_ASSERT( mpGraphics && pSrcDev->mpGraphics,
186                                 "OutputDevice::DrawOutDev(): We need more than one Graphics" );
187                 }
188             }
189         }
190 
191         // #102532# Offset only has to be pseudo window offset
192         Rectangle   aSrcOutRect( Point( pSrcDev->mnOutOffX, pSrcDev->mnOutOffY ),
193                                  Size( pSrcDev->mnOutWidth, pSrcDev->mnOutHeight ) );
194         Rectangle   aSrcRect( Point( rPosAry.mnSrcX, rPosAry.mnSrcY ),
195                               Size( rPosAry.mnSrcWidth, rPosAry.mnSrcHeight ) );
196         const long  nOldRight = aSrcRect.Right();
197         const long  nOldBottom = aSrcRect.Bottom();
198 
199         if ( !aSrcRect.Intersection( aSrcOutRect ).IsEmpty() )
200         {
201             if ( (rPosAry.mnSrcX+rPosAry.mnSrcWidth-1) > aSrcOutRect.Right() )
202             {
203                 const long nOldWidth = rPosAry.mnSrcWidth;
204                 rPosAry.mnSrcWidth -= (nOldRight - aSrcRect.Right());
205                 rPosAry.mnDestWidth = rPosAry.mnDestWidth * rPosAry.mnSrcWidth / nOldWidth;
206             }
207 
208             if ( (rPosAry.mnSrcY+rPosAry.mnSrcHeight-1) > aSrcOutRect.Bottom() )
209             {
210                 const long nOldHeight = rPosAry.mnSrcHeight;
211                 rPosAry.mnSrcHeight -= (nOldBottom - aSrcRect.Bottom());
212                 rPosAry.mnDestHeight = rPosAry.mnDestHeight * rPosAry.mnSrcHeight / nOldHeight;
213             }
214 
215             // --- RTL --- if this is no window, but pSrcDev is a window
216             // mirroring may be required
217             // because only windows have a SalGraphicsLayout
218             // mirroring is performed here
219             if( (GetOutDevType() != OUTDEV_WINDOW) && pGraphics2 && (pGraphics2->GetLayout() & SAL_LAYOUT_BIDI_RTL) )
220             {
221                 SalTwoRect aPosAry2 = rPosAry;
222                 pGraphics2->mirror( aPosAry2.mnSrcX, aPosAry2.mnSrcWidth, pSrcDev );
223                 mpGraphics->CopyBits( aPosAry2, pGraphics2, this, pSrcDev );
224             }
225             else
226                 mpGraphics->CopyBits( rPosAry, pGraphics2, this, pSrcDev );
227         }
228     }
229 }
230 
231 // ------------------------------------------------------------------
232 
233 void OutputDevice::DrawOutDev( const Point& rDestPt, const Size& rDestSize,
234                                const Point& rSrcPt,  const Size& rSrcSize )
235 {
236     DBG_TRACE( "OutputDevice::DrawOutDev()" );
237     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
238     DBG_ASSERT( meOutDevType != OUTDEV_PRINTER, "Don't use OutputDevice::DrawOutDev(...) with printer devices!" );
239 
240     if( ImplIsRecordLayout() )
241         return;
242 
243     if ( meOutDevType == OUTDEV_PRINTER )
244         return;
245 
246     if ( ROP_INVERT == meRasterOp )
247     {
248         DrawRect( Rectangle( rDestPt, rDestSize ) );
249         return;
250     }
251 
252     if ( mpMetaFile )
253     {
254         const Bitmap aBmp( GetBitmap( rSrcPt, rSrcSize ) );
255         mpMetaFile->AddAction( new MetaBmpScaleAction( rDestPt, rDestSize, aBmp ) );
256     }
257 
258     OUTDEV_INIT();
259 
260     SalTwoRect aPosAry;
261     aPosAry.mnSrcWidth   = ImplLogicWidthToDevicePixel( rSrcSize.Width() );
262     aPosAry.mnSrcHeight  = ImplLogicHeightToDevicePixel( rSrcSize.Height() );
263     aPosAry.mnDestWidth  = ImplLogicWidthToDevicePixel( rDestSize.Width() );
264     aPosAry.mnDestHeight = ImplLogicHeightToDevicePixel( rDestSize.Height() );
265 
266     if ( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight && aPosAry.mnDestWidth && aPosAry.mnDestHeight )
267     {
268         aPosAry.mnSrcX       = ImplLogicXToDevicePixel( rSrcPt.X() );
269         aPosAry.mnSrcY       = ImplLogicYToDevicePixel( rSrcPt.Y() );
270         aPosAry.mnDestX      = ImplLogicXToDevicePixel( rDestPt.X() );
271         aPosAry.mnDestY      = ImplLogicYToDevicePixel( rDestPt.Y() );
272 
273         Rectangle   aSrcOutRect( Point( mnOutOffX, mnOutOffY ),
274                                  Size( mnOutWidth, mnOutHeight ) );
275         Rectangle   aSrcRect( Point( aPosAry.mnSrcX, aPosAry.mnSrcY ),
276                               Size( aPosAry.mnSrcWidth, aPosAry.mnSrcHeight ) );
277         long        nOldRight = aSrcRect.Right();
278         long        nOldBottom = aSrcRect.Bottom();
279 
280         if ( !aSrcRect.Intersection( aSrcOutRect ).IsEmpty() )
281         {
282             if ( (aPosAry.mnSrcX+aPosAry.mnSrcWidth-1) > aSrcOutRect.Right() )
283             {
284                 long nOldWidth = aPosAry.mnSrcWidth;
285                 aPosAry.mnSrcWidth -= nOldRight-aSrcRect.Right();
286                 aPosAry.mnDestWidth = aPosAry.mnDestWidth*aPosAry.mnSrcWidth/nOldWidth;
287             }
288 
289             if ( (aPosAry.mnSrcY+aPosAry.mnSrcHeight-1) > aSrcOutRect.Bottom() )
290             {
291                 long nOldHeight = aPosAry.mnSrcHeight;
292                 aPosAry.mnSrcHeight -= nOldBottom-aSrcRect.Bottom();
293                 aPosAry.mnDestHeight = aPosAry.mnDestHeight*aPosAry.mnSrcHeight/nOldHeight;
294             }
295 
296             mpGraphics->CopyBits( aPosAry, NULL, this, NULL );
297         }
298     }
299 
300     if( mpAlphaVDev )
301         mpAlphaVDev->DrawOutDev( rDestPt, rDestSize, rSrcPt, rSrcSize );
302 }
303 
304 // ------------------------------------------------------------------
305 
306 void OutputDevice::DrawOutDev( const Point& rDestPt, const Size& rDestSize,
307                                const Point& rSrcPt,  const Size& rSrcSize,
308                                const OutputDevice& rOutDev )
309 {
310     DBG_TRACE( "OutputDevice::DrawOutDev()" );
311     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
312     DBG_CHKOBJ( &rOutDev, OutputDevice, ImplDbgCheckOutputDevice );
313     DBG_ASSERT( meOutDevType != OUTDEV_PRINTER, "Don't use OutputDevice::DrawOutDev(...) with printer devices!" );
314     DBG_ASSERT( rOutDev.meOutDevType != OUTDEV_PRINTER, "Don't use OutputDevice::DrawOutDev(...) with printer devices!" );
315 
316     if ( (meOutDevType == OUTDEV_PRINTER) || (rOutDev.meOutDevType == OUTDEV_PRINTER) || ImplIsRecordLayout() )
317         return;
318 
319     if ( ROP_INVERT == meRasterOp )
320     {
321         DrawRect( Rectangle( rDestPt, rDestSize ) );
322         return;
323     }
324 
325     if ( mpMetaFile )
326     {
327         const Bitmap aBmp( rOutDev.GetBitmap( rSrcPt, rSrcSize ) );
328         mpMetaFile->AddAction( new MetaBmpScaleAction( rDestPt, rDestSize, aBmp ) );
329     }
330 
331     OUTDEV_INIT();
332 
333     SalTwoRect aPosAry;
334     aPosAry.mnSrcX       = rOutDev.ImplLogicXToDevicePixel( rSrcPt.X() );
335     aPosAry.mnSrcY       = rOutDev.ImplLogicYToDevicePixel( rSrcPt.Y() );
336     aPosAry.mnSrcWidth   = rOutDev.ImplLogicWidthToDevicePixel( rSrcSize.Width() );
337     aPosAry.mnSrcHeight  = rOutDev.ImplLogicHeightToDevicePixel( rSrcSize.Height() );
338     aPosAry.mnDestX      = ImplLogicXToDevicePixel( rDestPt.X() );
339     aPosAry.mnDestY      = ImplLogicYToDevicePixel( rDestPt.Y() );
340     aPosAry.mnDestWidth  = ImplLogicWidthToDevicePixel( rDestSize.Width() );
341     aPosAry.mnDestHeight = ImplLogicHeightToDevicePixel( rDestSize.Height() );
342 
343     if( mpAlphaVDev )
344     {
345         if( rOutDev.mpAlphaVDev )
346         {
347             // alpha-blend source over destination
348             DrawBitmapEx( rDestPt, rDestSize, rOutDev.GetBitmapEx(rSrcPt, rSrcSize) );
349 
350             // This would be mode SOURCE:
351             // copy source alpha channel to our alpha channel
352             //mpAlphaVDev->DrawOutDev( rDestPt, rDestSize, rSrcPt, rSrcSize, *rOutDev.mpAlphaVDev );
353         }
354         else
355         {
356             ImplDrawOutDevDirect( &rOutDev, aPosAry );
357 
358             // #i32109#: make destination rectangle opaque - source has no alpha
359             mpAlphaVDev->ImplFillOpaqueRectangle( Rectangle(rDestPt, rDestSize) );
360         }
361     }
362     else
363     {
364         if( rOutDev.mpAlphaVDev )
365         {
366             // alpha-blend source over destination
367             DrawBitmapEx( rDestPt, rDestSize, rOutDev.GetBitmapEx(rSrcPt, rSrcSize) );
368         }
369         else
370         {
371             // no alpha at all, neither in source nor destination device
372             ImplDrawOutDevDirect( &rOutDev, aPosAry );
373         }
374     }
375 }
376 
377 // ------------------------------------------------------------------
378 
379 void OutputDevice::CopyArea( const Point& rDestPt,
380                              const Point& rSrcPt,  const Size& rSrcSize,
381                              sal_uInt16 nFlags )
382 {
383     DBG_TRACE( "OutputDevice::CopyArea()" );
384     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
385     DBG_ASSERT( meOutDevType != OUTDEV_PRINTER, "Don't use OutputDevice::CopyArea(...) with printer devices!" );
386 
387     if ( meOutDevType == OUTDEV_PRINTER || ImplIsRecordLayout() )
388         return;
389 
390     RasterOp eOldRop = GetRasterOp();
391     SetRasterOp( ROP_OVERPAINT );
392 
393     OUTDEV_INIT();
394 
395     SalTwoRect aPosAry;
396     aPosAry.mnSrcWidth   = ImplLogicWidthToDevicePixel( rSrcSize.Width() );
397     aPosAry.mnSrcHeight  = ImplLogicHeightToDevicePixel( rSrcSize.Height() );
398 
399     if ( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight )
400     {
401         aPosAry.mnSrcX       = ImplLogicXToDevicePixel( rSrcPt.X() );
402         aPosAry.mnSrcY       = ImplLogicYToDevicePixel( rSrcPt.Y() );
403         aPosAry.mnDestX      = ImplLogicXToDevicePixel( rDestPt.X() );
404         aPosAry.mnDestY      = ImplLogicYToDevicePixel( rDestPt.Y() );
405 
406         Rectangle   aSrcOutRect( Point( mnOutOffX, mnOutOffY ),
407                                  Size( mnOutWidth, mnOutHeight ) );
408         Rectangle   aSrcRect( Point( aPosAry.mnSrcX, aPosAry.mnSrcY ),
409                               Size( aPosAry.mnSrcWidth, aPosAry.mnSrcHeight ) );
410         long        nOldRight = aSrcRect.Right();
411         long        nOldBottom = aSrcRect.Bottom();
412 
413         if ( !aSrcRect.Intersection( aSrcOutRect ).IsEmpty() )
414         {
415             if ( (aPosAry.mnSrcX+aPosAry.mnSrcWidth-1) > aSrcOutRect.Right() )
416                 aPosAry.mnSrcWidth -= nOldRight-aSrcRect.Right();
417 
418             if ( (aPosAry.mnSrcY+aPosAry.mnSrcHeight-1) > aSrcOutRect.Bottom() )
419                 aPosAry.mnSrcHeight -= nOldBottom-aSrcRect.Bottom();
420 
421             if ( (meOutDevType == OUTDEV_WINDOW) && (nFlags & COPYAREA_WINDOWINVALIDATE) )
422             {
423                 ((Window*)this)->ImplMoveAllInvalidateRegions( aSrcRect,
424                                                                aPosAry.mnDestX-aPosAry.mnSrcX,
425                                                                aPosAry.mnDestY-aPosAry.mnSrcY,
426                                                                sal_False );
427 
428                 mpGraphics->CopyArea( aPosAry.mnDestX, aPosAry.mnDestY,
429                                       aPosAry.mnSrcX, aPosAry.mnSrcY,
430                                       aPosAry.mnSrcWidth, aPosAry.mnSrcHeight,
431                                       SAL_COPYAREA_WINDOWINVALIDATE, this );
432             }
433             else
434             {
435                 aPosAry.mnDestWidth  = aPosAry.mnSrcWidth;
436                 aPosAry.mnDestHeight = aPosAry.mnSrcHeight;
437                 mpGraphics->CopyBits( aPosAry, NULL, this, NULL );
438             }
439         }
440     }
441 
442     SetRasterOp( eOldRop );
443 
444     if( mpAlphaVDev )
445         mpAlphaVDev->CopyArea( rDestPt, rSrcPt, rSrcSize, nFlags );
446 }
447 
448 // ------------------------------------------------------------------
449 
450 void OutputDevice::ImplDrawFrameDev( const Point& rPt, const Point& rDevPt, const Size& rDevSize,
451                                      const OutputDevice& rOutDev, const Region& rRegion )
452 {
453     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
454 
455     GDIMetaFile*    pOldMetaFile = mpMetaFile;
456     sal_Bool            bOldMap = mbMap;
457     RasterOp        eOldROP = GetRasterOp();
458     mpMetaFile = NULL;
459     mbMap = sal_False;
460     SetRasterOp( ROP_OVERPAINT );
461 
462     if ( !IsDeviceOutputNecessary() )
463         return;
464 
465     if ( !mpGraphics )
466     {
467         if ( !ImplGetGraphics() )
468             return;
469     }
470 
471     // ClipRegion zuruecksetzen
472     if ( rRegion.IsNull() )
473         mpGraphics->ResetClipRegion();
474     else
475         ImplSelectClipRegion( rRegion );
476 
477     SalTwoRect aPosAry;
478     aPosAry.mnSrcX       = rDevPt.X();
479     aPosAry.mnSrcY       = rDevPt.Y();
480     aPosAry.mnSrcWidth   = rDevSize.Width();
481     aPosAry.mnSrcHeight  = rDevSize.Height();
482     aPosAry.mnDestX      = rPt.X();
483     aPosAry.mnDestY      = rPt.Y();
484     aPosAry.mnDestWidth  = rDevSize.Width();
485     aPosAry.mnDestHeight = rDevSize.Height();
486     ImplDrawOutDevDirect( &rOutDev, aPosAry );
487 
488     // Dafuer sorgen, das ClipRegion neu berechnet und gesetzt wird
489     mbInitClipRegion = sal_True;
490 
491     SetRasterOp( eOldROP );
492     mbMap = bOldMap;
493     mpMetaFile = pOldMetaFile;
494 }
495 
496 // ------------------------------------------------------------------
497 
498 void OutputDevice::ImplGetFrameDev( const Point& rPt, const Point& rDevPt, const Size& rDevSize,
499                                     OutputDevice& rDev )
500 {
501     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
502 
503     sal_Bool bOldMap = mbMap;
504     mbMap = sal_False;
505     rDev.DrawOutDev( rDevPt, rDevSize, rPt, rDevSize, *this );
506     mbMap = bOldMap;
507 }
508 
509 // ------------------------------------------------------------------
510 
511 void OutputDevice::DrawBitmap( const Point& rDestPt, const Bitmap& rBitmap )
512 {
513     DBG_TRACE( "OutputDevice::DrawBitmap()" );
514 
515     if( ImplIsRecordLayout() )
516         return;
517 
518     const Size aSizePix( rBitmap.GetSizePixel() );
519     ImplDrawBitmap( rDestPt, PixelToLogic( aSizePix ), Point(), aSizePix, rBitmap, META_BMP_ACTION );
520 
521     if( mpAlphaVDev )
522     {
523         // #i32109#: Make bitmap area opaque
524         mpAlphaVDev->ImplFillOpaqueRectangle( Rectangle(rDestPt, PixelToLogic( aSizePix )) );
525     }
526 }
527 
528 // ------------------------------------------------------------------
529 
530 void OutputDevice::DrawBitmap( const Point& rDestPt, const Size& rDestSize, const Bitmap& rBitmap )
531 {
532     DBG_TRACE( "OutputDevice::DrawBitmap( Size )" );
533 
534     if( ImplIsRecordLayout() )
535         return;
536 
537     ImplDrawBitmap( rDestPt, rDestSize, Point(), rBitmap.GetSizePixel(), rBitmap, META_BMPSCALE_ACTION );
538 
539     if( mpAlphaVDev )
540     {
541         // #i32109#: Make bitmap area opaque
542         mpAlphaVDev->ImplFillOpaqueRectangle( Rectangle(rDestPt, rDestSize) );
543     }
544 }
545 
546 // ------------------------------------------------------------------
547 
548 void OutputDevice::DrawBitmap( const Point& rDestPt, const Size& rDestSize,
549                                const Point& rSrcPtPixel, const Size& rSrcSizePixel,
550                                const Bitmap& rBitmap )
551 {
552     DBG_TRACE( "OutputDevice::DrawBitmap( Point, Size )" );
553 
554     if( ImplIsRecordLayout() )
555         return;
556 
557     ImplDrawBitmap( rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel, rBitmap, META_BMPSCALEPART_ACTION );
558 
559     if( mpAlphaVDev )
560     {
561         // #i32109#: Make bitmap area opaque
562         mpAlphaVDev->ImplFillOpaqueRectangle( Rectangle(rDestPt, rDestSize) );
563     }
564 }
565 
566 // -----------------------------------------------------------------------------
567 
568 void OutputDevice::ImplDrawBitmap( const Point& rDestPt, const Size& rDestSize,
569                                    const Point& rSrcPtPixel, const Size& rSrcSizePixel,
570                                    const Bitmap& rBitmap, const sal_uLong nAction )
571 {
572     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
573 
574     if ( ( mnDrawMode & DRAWMODE_NOBITMAP ) )
575         return;
576 
577     if ( ROP_INVERT == meRasterOp )
578     {
579         DrawRect( Rectangle( rDestPt, rDestSize ) );
580         return;
581     }
582 
583     Bitmap aBmp( rBitmap );
584 
585     if ( mnDrawMode & ( DRAWMODE_BLACKBITMAP | DRAWMODE_WHITEBITMAP |
586                              DRAWMODE_GRAYBITMAP | DRAWMODE_GHOSTEDBITMAP ) )
587     {
588         if ( mnDrawMode & ( DRAWMODE_BLACKBITMAP | DRAWMODE_WHITEBITMAP ) )
589         {
590             sal_uInt8 cCmpVal;
591 
592             if ( mnDrawMode & DRAWMODE_BLACKBITMAP )
593                 cCmpVal = ( mnDrawMode & DRAWMODE_GHOSTEDBITMAP ) ? 0x80 : 0;
594             else
595                 cCmpVal = 255;
596 
597             Color aCol( cCmpVal, cCmpVal, cCmpVal );
598             Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
599             SetLineColor( aCol );
600             SetFillColor( aCol );
601             DrawRect( Rectangle( rDestPt, rDestSize ) );
602             Pop();
603             return;
604         }
605         else if( !!aBmp )
606         {
607             if ( mnDrawMode & DRAWMODE_GRAYBITMAP )
608                 aBmp.Convert( BMP_CONVERSION_8BIT_GREYS );
609 
610             if ( mnDrawMode & DRAWMODE_GHOSTEDBITMAP )
611                 aBmp.Convert( BMP_CONVERSION_GHOSTED );
612         }
613     }
614 
615     if ( mpMetaFile )
616     {
617         switch( nAction )
618         {
619             case( META_BMP_ACTION ):
620                 mpMetaFile->AddAction( new MetaBmpAction( rDestPt, aBmp ) );
621             break;
622 
623             case( META_BMPSCALE_ACTION ):
624                 mpMetaFile->AddAction( new MetaBmpScaleAction( rDestPt, rDestSize, aBmp ) );
625             break;
626 
627             case( META_BMPSCALEPART_ACTION ):
628                 mpMetaFile->AddAction( new MetaBmpScalePartAction(
629                     rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel, aBmp ) );
630             break;
631         }
632     }
633 
634     OUTDEV_INIT();
635 
636     if( !aBmp.IsEmpty() )
637     {
638         SalTwoRect aPosAry;
639 
640         aPosAry.mnSrcX = rSrcPtPixel.X();
641         aPosAry.mnSrcY = rSrcPtPixel.Y();
642         aPosAry.mnSrcWidth = rSrcSizePixel.Width();
643         aPosAry.mnSrcHeight = rSrcSizePixel.Height();
644         aPosAry.mnDestX = ImplLogicXToDevicePixel( rDestPt.X() );
645         aPosAry.mnDestY = ImplLogicYToDevicePixel( rDestPt.Y() );
646         aPosAry.mnDestWidth = ImplLogicWidthToDevicePixel( rDestSize.Width() );
647         aPosAry.mnDestHeight = ImplLogicHeightToDevicePixel( rDestSize.Height() );
648 
649         const sal_uLong nMirrFlags = ImplAdjustTwoRect( aPosAry, aBmp.GetSizePixel() );
650 
651         if ( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight && aPosAry.mnDestWidth && aPosAry.mnDestHeight )
652         {
653             if ( nMirrFlags )
654                 aBmp.Mirror( nMirrFlags );
655 
656             /* #i75264# (corrected with #i81576#)
657             * sometimes a bitmap is scaled to a ridiculous size and drawn
658             * to a quite normal VDev, so only a very small part of
659             * the scaled bitmap will be visible. However actually scaling
660             * the bitmap will use so much memory that we end with a crash.
661             * Workaround: since only a small part of the scaled bitmap will
662             * be actually drawn anyway (because of clipping on the device
663             * boundary), limit the destination and source rectangles so
664             * that the destination rectangle will overlap the device but only
665             * be reasonably (say factor 2) larger than the device itself.
666             */
667 
668             // not needed for win32, it uses GdiPlus and is able to do everything without
669             // internally scaling the bitmap
670 #ifndef WIN32
671 
672             if( aPosAry.mnDestWidth > 2048 || aPosAry.mnDestHeight > 2048 )
673             {
674                  if( meOutDevType == OUTDEV_WINDOW ||
675                      (meOutDevType == OUTDEV_VIRDEV && mpPDFWriter == 0 ) )
676                 {
677                     // #i81576# do the following trick only if there is overlap at all
678                     // else the formulae don't work
679                     // theoretically in this case we wouldn't need to draw the bitmap at all
680                     // however there are some esoteric case where that is needed
681                     if( aPosAry.mnDestX + aPosAry.mnDestWidth >= 0
682                         && aPosAry.mnDestX < mnOutWidth
683                         && aPosAry.mnDestY + aPosAry.mnDestHeight >= 0
684                         && aPosAry.mnDestY < mnOutHeight )
685                     {
686                         // reduce scaling to something reasonable taking into account the output size
687                         if( aPosAry.mnDestWidth > 3*mnOutWidth && aPosAry.mnSrcWidth )
688                         {
689                             const double nScaleX = aPosAry.mnDestWidth/double(aPosAry.mnSrcWidth);
690 
691                             if( aPosAry.mnDestX + aPosAry.mnDestWidth > mnOutWidth )
692                             {
693                                 aPosAry.mnDestWidth = Max(long(0),mnOutWidth-aPosAry.mnDestX);
694                             }
695                             if( aPosAry.mnDestX < 0 )
696                             {
697                                 aPosAry.mnDestWidth += aPosAry.mnDestX;
698                                 aPosAry.mnSrcX -= sal::static_int_cast<long>(aPosAry.mnDestX / nScaleX);
699                                 aPosAry.mnDestX = 0;
700                             }
701 
702                             aPosAry.mnSrcWidth = sal::static_int_cast<long>(aPosAry.mnDestWidth / nScaleX);
703                         }
704 
705                         if( aPosAry.mnDestHeight > 3*mnOutHeight && aPosAry.mnSrcHeight != 0 )
706                         {
707                             const double nScaleY = aPosAry.mnDestHeight/double(aPosAry.mnSrcHeight);
708 
709                             if( aPosAry.mnDestY + aPosAry.mnDestHeight > mnOutHeight )
710                             {
711                                 aPosAry.mnDestHeight = Max(long(0),mnOutHeight-aPosAry.mnDestY);
712                             }
713                             if( aPosAry.mnDestY < 0 )
714                             {
715                                 aPosAry.mnDestHeight += aPosAry.mnDestY;
716                                 aPosAry.mnSrcY -= sal::static_int_cast<long>(aPosAry.mnDestY / nScaleY);
717                                 aPosAry.mnDestY = 0;
718                             }
719 
720                             aPosAry.mnSrcHeight = sal::static_int_cast<long>(aPosAry.mnDestHeight / nScaleY);
721                         }
722                     }
723                 }
724             }
725 #endif
726 
727             if ( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight && aPosAry.mnDestWidth && aPosAry.mnDestHeight )
728             {
729                 mpGraphics->DrawBitmap( aPosAry, *aBmp.ImplGetImpBitmap()->ImplGetSalBitmap(), this );
730             }
731         }
732     }
733 }
734 
735 // ------------------------------------------------------------------
736 
737 void OutputDevice::DrawBitmapEx( const Point& rDestPt,
738                                  const BitmapEx& rBitmapEx )
739 {
740     DBG_TRACE( "OutputDevice::DrawBitmapEx()" );
741 
742     if( ImplIsRecordLayout() )
743         return;
744 
745     if( TRANSPARENT_NONE == rBitmapEx.GetTransparentType() )
746     {
747         DrawBitmap( rDestPt, rBitmapEx.GetBitmap() );
748     }
749     else
750     {
751         const Size aSizePix( rBitmapEx.GetSizePixel() );
752         ImplDrawBitmapEx( rDestPt, PixelToLogic( aSizePix ), Point(), aSizePix, rBitmapEx, META_BMPEX_ACTION );
753     }
754 }
755 
756 // ------------------------------------------------------------------
757 
758 void OutputDevice::DrawBitmapEx( const Point& rDestPt, const Size& rDestSize,
759                                  const BitmapEx& rBitmapEx )
760 {
761     DBG_TRACE( "OutputDevice::DrawBitmapEx( Size )" );
762 
763     if( ImplIsRecordLayout() )
764         return;
765 
766     if ( TRANSPARENT_NONE == rBitmapEx.GetTransparentType() )
767     {
768         DrawBitmap( rDestPt, rDestSize, rBitmapEx.GetBitmap() );
769     }
770     else
771     {
772         ImplDrawBitmapEx( rDestPt, rDestSize, Point(), rBitmapEx.GetSizePixel(), rBitmapEx, META_BMPEXSCALE_ACTION );
773     }
774 }
775 
776 // ------------------------------------------------------------------
777 
778 void OutputDevice::DrawBitmapEx( const Point& rDestPt, const Size& rDestSize,
779                                  const Point& rSrcPtPixel, const Size& rSrcSizePixel,
780                                  const BitmapEx& rBitmapEx )
781 {
782     DBG_TRACE( "OutputDevice::DrawBitmapEx( Point, Size )" );
783 
784     if( ImplIsRecordLayout() )
785         return;
786 
787     if( TRANSPARENT_NONE == rBitmapEx.GetTransparentType() )
788     {
789         DrawBitmap( rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel, rBitmapEx.GetBitmap() );
790     }
791     else
792     {
793         ImplDrawBitmapEx( rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel, rBitmapEx, META_BMPEXSCALEPART_ACTION );
794     }
795 }
796 
797 // ------------------------------------------------------------------
798 
799 void OutputDevice::DrawTransformedBitmapEx(
800     const basegfx::B2DHomMatrix& rTransformation,
801     const BitmapEx& rBitmapEx)
802 {
803     DBG_TRACE( "OutputDevice::DrawBitmapEx( Point, Size )" );
804 
805     if( ImplIsRecordLayout() )
806         return;
807 
808     if(rBitmapEx.IsEmpty())
809         return;
810 
811     if ( mnDrawMode & DRAWMODE_NOBITMAP )
812         return;
813 
814     // decompose matrix to check rotation and shear
815     basegfx::B2DVector aScale, aTranslate;
816     double fRotate, fShearX;
817     rTransformation.decompose(aScale, aTranslate, fRotate, fShearX);
818     const bool bRotated(!basegfx::fTools::equalZero(fRotate));
819     const bool bSheared(!basegfx::fTools::equalZero(fShearX));
820     const bool bMirroredX(basegfx::fTools::less(aScale.getX(), 0.0));
821     const bool bMirroredY(basegfx::fTools::less(aScale.getY(), 0.0));
822     static bool bForceToOwnTransformer(false);
823 
824     if(!bForceToOwnTransformer && !bRotated && !bSheared && !bMirroredX && !bMirroredY)
825     {
826         // with no rotation, shear or mirroring it can be mapped to DrawBitmapEx
827         // do *not* execute the mirroring here, it's done in the fallback
828         const Point aDestPt(basegfx::fround(aTranslate.getX()), basegfx::fround(aTranslate.getY()));
829         const Size aDestSize(basegfx::fround(aScale.getX()), basegfx::fround(aScale.getY()));
830 
831         DrawBitmapEx(aDestPt, aDestSize, rBitmapEx);
832         return;
833     }
834 
835     // we have rotation,shear or mirror, check if some crazy mode needs the
836     // created transformed bitmap
837     const bool bInvert(ROP_INVERT == meRasterOp);
838     const bool bBitmapChangedColor(mnDrawMode & (DRAWMODE_BLACKBITMAP | DRAWMODE_WHITEBITMAP | DRAWMODE_GRAYBITMAP | DRAWMODE_GHOSTEDBITMAP));
839     const bool bMetafile(mpMetaFile);
840     const bool bPrinter(OUTDEV_PRINTER == meOutDevType);
841     bool bDone(false);
842     const basegfx::B2DHomMatrix aFullTransform(GetViewTransformation() * rTransformation);
843     const bool bTryDirectPaint(!bInvert && !bBitmapChangedColor && !bMetafile && !bPrinter);
844 
845     if(!bForceToOwnTransformer && bTryDirectPaint)
846     {
847         // try to paint directly
848         const basegfx::B2DPoint aNull(aFullTransform * basegfx::B2DPoint(0.0, 0.0));
849         const basegfx::B2DPoint aTopX(aFullTransform * basegfx::B2DPoint(1.0, 0.0));
850         const basegfx::B2DPoint aTopY(aFullTransform * basegfx::B2DPoint(0.0, 1.0));
851         SalBitmap* pSalSrcBmp = rBitmapEx.GetBitmap().ImplGetImpBitmap()->ImplGetSalBitmap();
852         SalBitmap* pSalAlphaBmp = 0;
853 
854         if(rBitmapEx.IsTransparent())
855         {
856             if(rBitmapEx.IsAlpha())
857             {
858                 pSalAlphaBmp = rBitmapEx.GetAlpha().ImplGetImpBitmap()->ImplGetSalBitmap();
859             }
860             else
861             {
862                 pSalAlphaBmp = rBitmapEx.GetMask().ImplGetImpBitmap()->ImplGetSalBitmap();
863             }
864         }
865 
866         bDone = mpGraphics->DrawTransformedBitmap(
867             aNull,
868             aTopX,
869             aTopY,
870             *pSalSrcBmp,
871             pSalAlphaBmp,
872             this);
873     }
874 
875     if(!bDone)
876     {
877         // take the fallback when no rotate and shear, but mirror (else we would have done this above)
878         if(!bForceToOwnTransformer && !bRotated && !bSheared)
879         {
880             // with no rotation or shear it can be mapped to DrawBitmapEx
881             // do *not* execute the mirroring here, it's done in the fallback
882             const Point aDestPt(basegfx::fround(aTranslate.getX()), basegfx::fround(aTranslate.getY()));
883             const Size aDestSize(basegfx::fround(aScale.getX()), basegfx::fround(aScale.getY()));
884 
885             DrawBitmapEx(aDestPt, aDestSize, rBitmapEx);
886             return;
887         }
888 
889         // fallback; create transformed bitmap the hard way (back-transform
890         // the pixels) and paint
891         basegfx::B2DRange aVisibleRange(0.0, 0.0, 1.0, 1.0);
892 
893         // limit maximum area to something looking good for non-pixel-based targets (metafile, printer)
894         double fMaximumArea(1000000.0);
895 
896         if(!bMetafile && !bPrinter)
897         {
898             // limit TargetRange to existing pixels (if pixel device)
899             // first get discrete range of object
900             basegfx::B2DRange aFullPixelRange(aVisibleRange);
901 
902             aFullPixelRange.transform(aFullTransform);
903 
904             if(basegfx::fTools::equalZero(aFullPixelRange.getWidth()) || basegfx::fTools::equalZero(aFullPixelRange.getHeight()))
905             {
906                 // object is outside of visible area
907                 return;
908             }
909 
910             // now get discrete target pixels; start with OutDev pixel size and evtl.
911             // intersect with active clipping area
912             basegfx::B2DRange aOutPixel(
913                 0.0,
914                 0.0,
915                 GetOutputSizePixel().Width(),
916                 GetOutputSizePixel().Height());
917 
918             if(IsClipRegion())
919             {
920                 const Rectangle aRegionRectangle(GetActiveClipRegion().GetBoundRect());
921 
922                 aOutPixel.intersect( // caution! Range from rectangle, one too much (!)
923                     basegfx::B2DRange(
924                         aRegionRectangle.Left(),
925                         aRegionRectangle.Top(),
926                         aRegionRectangle.Right() + 1,
927                         aRegionRectangle.Bottom() + 1));
928             }
929 
930             if(aOutPixel.isEmpty())
931             {
932                 // no active output area
933                 return;
934             }
935 
936             // if aFullPixelRange is not completely inside of aOutPixel,
937             // reduction of target pixels is possible
938             basegfx::B2DRange aVisiblePixelRange(aFullPixelRange);
939 
940             if(!aOutPixel.isInside(aFullPixelRange))
941             {
942                 aVisiblePixelRange.intersect(aOutPixel);
943 
944                 if(aVisiblePixelRange.isEmpty())
945                 {
946                     // nothing in visible part, reduces to nothing
947                     return;
948                 }
949 
950                 // aVisiblePixelRange contains the reduced output area in
951                 // discrete coordinates. To make it useful everywhere, make it relative to
952                 // the object range
953                 basegfx::B2DHomMatrix aMakeVisibleRangeRelative;
954 
955                 aVisibleRange = aVisiblePixelRange;
956                 aMakeVisibleRangeRelative.translate(
957                     -aFullPixelRange.getMinX(),
958                     -aFullPixelRange.getMinY());
959                 aMakeVisibleRangeRelative.scale(
960                     1.0 / aFullPixelRange.getWidth(),
961                     1.0 / aFullPixelRange.getHeight());
962                 aVisibleRange.transform(aMakeVisibleRangeRelative);
963             }
964 
965             // for pixel devices, do *not* limit size, else OutputDevice::ImplDrawAlpha
966             // will create another, badly scaled bitmap to do the job. Nonetheless, do a
967             // maximum clipping of something big (1600x1280x2). Add 1.0 to avoid rounding
968             // errors in rough estimations
969             const double fNewMaxArea(aVisiblePixelRange.getWidth() * aVisiblePixelRange.getHeight());
970 
971             fMaximumArea = std::min(4096000.0, fNewMaxArea + 1.0);
972         }
973 
974         if(!aVisibleRange.isEmpty())
975         {
976             static bool bDoSmoothAtAll(true);
977             const BitmapEx aTransformed(
978                 rBitmapEx.getTransformed(
979                     aFullTransform,
980                     aVisibleRange,
981                     fMaximumArea,
982                     bDoSmoothAtAll));
983             basegfx::B2DRange aTargetRange(0.0, 0.0, 1.0, 1.0);
984 
985             // get logic object target range
986             aTargetRange.transform(rTransformation);
987 
988             // get from unified/relative VisibleRange to logoc one
989             aVisibleRange.transform(
990                 basegfx::tools::createScaleTranslateB2DHomMatrix(
991                     aTargetRange.getRange(),
992                     aTargetRange.getMinimum()));
993 
994             // extract point and size; do not remove size, the bitmap may have been prepared reduced by purpose
995             const Point aDestPt(basegfx::fround(aVisibleRange.getMinX()), basegfx::fround(aVisibleRange.getMinY()));
996             const Size aDestSize(basegfx::fround(aVisibleRange.getWidth()), basegfx::fround(aVisibleRange.getHeight()));
997 
998             DrawBitmapEx(aDestPt, aDestSize, aTransformed);
999         }
1000     }
1001 }
1002 
1003 // ------------------------------------------------------------------
1004 
1005 void OutputDevice::ImplDrawBitmapEx( const Point& rDestPt, const Size& rDestSize,
1006                                      const Point& rSrcPtPixel, const Size& rSrcSizePixel,
1007                                      const BitmapEx& rBitmapEx, const sal_uLong nAction )
1008 {
1009     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1010     OSL_ENSURE(TRANSPARENT_NONE != rBitmapEx.GetTransparentType(), "ImplDrawBitmapEx not needed, no transparency in BitmapEx (!)");
1011 
1012     if ( mnDrawMode & DRAWMODE_NOBITMAP )
1013         return;
1014 
1015     if ( ROP_INVERT == meRasterOp )
1016     {
1017         DrawRect( Rectangle( rDestPt, rDestSize ) );
1018         return;
1019     }
1020 
1021     BitmapEx aBmpEx( rBitmapEx );
1022 
1023     if ( mnDrawMode & ( DRAWMODE_BLACKBITMAP | DRAWMODE_WHITEBITMAP |
1024                              DRAWMODE_GRAYBITMAP | DRAWMODE_GHOSTEDBITMAP ) )
1025     {
1026         if ( mnDrawMode & ( DRAWMODE_BLACKBITMAP | DRAWMODE_WHITEBITMAP ) )
1027         {
1028             Bitmap  aColorBmp( aBmpEx.GetSizePixel(), ( mnDrawMode & DRAWMODE_GHOSTEDBITMAP ) ? 4 : 1 );
1029             sal_uInt8   cCmpVal;
1030 
1031             if ( mnDrawMode & DRAWMODE_BLACKBITMAP )
1032                 cCmpVal = ( mnDrawMode & DRAWMODE_GHOSTEDBITMAP ) ? 0x80 : 0;
1033             else
1034                 cCmpVal = 255;
1035 
1036             aColorBmp.Erase( Color( cCmpVal, cCmpVal, cCmpVal ) );
1037 
1038             if( aBmpEx.IsAlpha() )
1039             {
1040                 // Create one-bit mask out of alpha channel, by
1041                 // thresholding it at alpha=0.5. As
1042                 // DRAWMODE_BLACK/WHITEBITMAP requires monochrome
1043                 // output, having alpha-induced grey levels is not
1044                 // acceptable.
1045                 Bitmap aMask( aBmpEx.GetAlpha().GetBitmap() );
1046                 aMask.MakeMono( 128 );
1047                 aBmpEx = BitmapEx( aColorBmp, aMask );
1048             }
1049             else
1050             {
1051                 aBmpEx = BitmapEx( aColorBmp, aBmpEx.GetMask() );
1052             }
1053         }
1054         else if( !!aBmpEx )
1055         {
1056             if ( mnDrawMode & DRAWMODE_GRAYBITMAP )
1057                 aBmpEx.Convert( BMP_CONVERSION_8BIT_GREYS );
1058 
1059             if ( mnDrawMode & DRAWMODE_GHOSTEDBITMAP )
1060                 aBmpEx.Convert( BMP_CONVERSION_GHOSTED );
1061         }
1062     }
1063 
1064     if ( mpMetaFile )
1065     {
1066         switch( nAction )
1067         {
1068             case( META_BMPEX_ACTION ):
1069                 mpMetaFile->AddAction( new MetaBmpExAction( rDestPt, aBmpEx ) );
1070             break;
1071 
1072             case( META_BMPEXSCALE_ACTION ):
1073                 mpMetaFile->AddAction( new MetaBmpExScaleAction( rDestPt, rDestSize, aBmpEx ) );
1074             break;
1075 
1076             case( META_BMPEXSCALEPART_ACTION ):
1077                 mpMetaFile->AddAction( new MetaBmpExScalePartAction( rDestPt, rDestSize,
1078                                                                      rSrcPtPixel, rSrcSizePixel, aBmpEx ) );
1079             break;
1080         }
1081     }
1082 
1083     OUTDEV_INIT();
1084 
1085     if( OUTDEV_PRINTER == meOutDevType )
1086     {
1087         if( aBmpEx.IsAlpha() )
1088         {
1089             // #107169# For true alpha bitmaps, no longer masking the
1090             // bitmap, but perform a full alpha blend against a white
1091             // background here.
1092             Bitmap aBmp( aBmpEx.GetBitmap() );
1093             aBmp.Blend( aBmpEx.GetAlpha(), Color( COL_WHITE) );
1094             DrawBitmap( rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel, aBmp );
1095         }
1096         else
1097         {
1098             Bitmap aBmp( aBmpEx.GetBitmap() ), aMask( aBmpEx.GetMask() );
1099             aBmp.Replace( aMask, Color( COL_WHITE ) );
1100             ImplPrintTransparent( aBmp, aMask, rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel );
1101         }
1102 
1103         return;
1104     }
1105 
1106     if(aBmpEx.IsAlpha())
1107     {
1108         ImplDrawAlpha( aBmpEx.GetBitmap(), aBmpEx.GetAlpha(), rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel );
1109         return;
1110     }
1111 
1112     if( !( !aBmpEx ) )
1113     {
1114         SalTwoRect aPosAry;
1115 
1116         aPosAry.mnSrcX = rSrcPtPixel.X();
1117         aPosAry.mnSrcY = rSrcPtPixel.Y();
1118         aPosAry.mnSrcWidth = rSrcSizePixel.Width();
1119         aPosAry.mnSrcHeight = rSrcSizePixel.Height();
1120         aPosAry.mnDestX = ImplLogicXToDevicePixel( rDestPt.X() );
1121         aPosAry.mnDestY = ImplLogicYToDevicePixel( rDestPt.Y() );
1122         aPosAry.mnDestWidth = ImplLogicWidthToDevicePixel( rDestSize.Width() );
1123         aPosAry.mnDestHeight = ImplLogicHeightToDevicePixel( rDestSize.Height() );
1124 
1125         const sal_uLong nMirrFlags = ImplAdjustTwoRect( aPosAry, aBmpEx.GetSizePixel() );
1126 
1127         if( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight && aPosAry.mnDestWidth && aPosAry.mnDestHeight )
1128         {
1129 
1130             if( nMirrFlags )
1131                 aBmpEx.Mirror( nMirrFlags );
1132 
1133             const SalBitmap* pSalSrcBmp = aBmpEx.ImplGetBitmapImpBitmap()->ImplGetSalBitmap();
1134             const ImpBitmap* pMaskBmp = aBmpEx.ImplGetMaskImpBitmap();
1135 
1136             if ( pMaskBmp )
1137             {
1138                 SalBitmap* pSalAlphaBmp = pMaskBmp->ImplGetSalBitmap();
1139                 bool bTryDirectPaint(pSalSrcBmp && pSalAlphaBmp);
1140 
1141                 if(bTryDirectPaint)
1142                 {
1143                     // only paint direct when no scaling and no MapMode, else the
1144                     // more expensive conversions may be done for short-time Bitmap/BitmapEx
1145                     // used for buffering only
1146                     if(!IsMapMode() && aPosAry.mnSrcWidth == aPosAry.mnDestWidth && aPosAry.mnSrcHeight == aPosAry.mnDestHeight)
1147                     {
1148                         bTryDirectPaint = false;
1149                     }
1150                 }
1151 
1152                 if(bTryDirectPaint && mpGraphics->DrawAlphaBitmap(aPosAry, *pSalSrcBmp, *pSalAlphaBmp, this))
1153                 {
1154                     // tried to paint as alpha directly. If tis worked, we are done (except
1155                     // alpha, see below)
1156                 }
1157                 else
1158                 {
1159                     // #4919452# reduce operation area to bounds of
1160                     // cliprect. since masked transparency involves
1161                     // creation of a large vdev and copying the screen
1162                     // content into that (slooow read from framebuffer),
1163                     // that should considerably increase performance for
1164                     // large bitmaps and small clippings.
1165 
1166                     // Note that this optimisation is a workaround for a
1167                     // Writer peculiarity, namely, to decompose background
1168                     // graphics into myriads of disjunct, tiny
1169                     // rectangles. That otherwise kills us here, since for
1170                     // transparent output, SAL always prepares the whole
1171                     // bitmap, if aPosAry contains the whole bitmap (and
1172                     // it's _not_ to blame for that).
1173 
1174                     // Note the call to ImplPixelToDevicePixel(), since
1175                     // aPosAry already contains the mnOutOff-offsets, they
1176                     // also have to be applied to the region
1177                     Rectangle aClipRegionBounds( ImplPixelToDevicePixel(maRegion).GetBoundRect() );
1178 
1179                     // TODO: Also respect scaling (that's a bit tricky,
1180                     // since the source points have to move fractional
1181                     // amounts (which is not possible, thus has to be
1182                     // emulated by increases copy area)
1183                     // const double nScaleX( aPosAry.mnDestWidth / aPosAry.mnSrcWidth );
1184                     // const double nScaleY( aPosAry.mnDestHeight / aPosAry.mnSrcHeight );
1185 
1186                     // for now, only identity scales allowed
1187                     if( !aClipRegionBounds.IsEmpty() &&
1188                         aPosAry.mnDestWidth == aPosAry.mnSrcWidth &&
1189                         aPosAry.mnDestHeight == aPosAry.mnSrcHeight )
1190                     {
1191                         // now intersect dest rect with clip region
1192                         aClipRegionBounds.Intersection( Rectangle( aPosAry.mnDestX,
1193                                                                    aPosAry.mnDestY,
1194                                                                    aPosAry.mnDestX + aPosAry.mnDestWidth - 1,
1195                                                                    aPosAry.mnDestY + aPosAry.mnDestHeight - 1 ) );
1196 
1197                         // Note: I could theoretically optimize away the
1198                         // DrawBitmap below, if the region is empty
1199                         // here. Unfortunately, cannot rule out that
1200                         // somebody relies on the side effects.
1201                         if( !aClipRegionBounds.IsEmpty() )
1202                         {
1203                             aPosAry.mnSrcX += aClipRegionBounds.Left() - aPosAry.mnDestX;
1204                             aPosAry.mnSrcY += aClipRegionBounds.Top() - aPosAry.mnDestY;
1205                             aPosAry.mnSrcWidth = aClipRegionBounds.GetWidth();
1206                             aPosAry.mnSrcHeight = aClipRegionBounds.GetHeight();
1207 
1208                             aPosAry.mnDestX = aClipRegionBounds.Left();
1209                             aPosAry.mnDestY = aClipRegionBounds.Top();
1210                             aPosAry.mnDestWidth = aClipRegionBounds.GetWidth();
1211                             aPosAry.mnDestHeight = aClipRegionBounds.GetHeight();
1212                         }
1213                     }
1214 
1215                     mpGraphics->DrawBitmap( aPosAry, *pSalSrcBmp,
1216                                             *pMaskBmp->ImplGetSalBitmap(),
1217                                             this );
1218                 }
1219 
1220                 // #110958# Paint mask to alpha channel. Luckily, the
1221                 // black and white representation of the mask maps to
1222                 // the alpha channel
1223 
1224                 // #i25167# Restrict mask painting to _opaque_ areas
1225                 // of the mask, otherwise we spoil areas where no
1226                 // bitmap content was ever visible. Interestingly
1227                 // enough, this can be achieved by taking the mask as
1228                 // the transparency mask of itself
1229                 if( mpAlphaVDev )
1230                     mpAlphaVDev->DrawBitmapEx( rDestPt,
1231                                                rDestSize,
1232                                                BitmapEx( aBmpEx.GetMask(),
1233                                                          aBmpEx.GetMask() ) );
1234             }
1235             else
1236             {
1237                 mpGraphics->DrawBitmap( aPosAry, *pSalSrcBmp, this );
1238 
1239                 if( mpAlphaVDev )
1240                 {
1241                     // #i32109#: Make bitmap area opaque
1242                     mpAlphaVDev->ImplFillOpaqueRectangle( Rectangle(rDestPt, rDestSize) );
1243                 }
1244             }
1245         }
1246     }
1247 }
1248 
1249 // ------------------------------------------------------------------
1250 
1251 void OutputDevice::DrawMask( const Point& rDestPt,
1252                              const Bitmap& rBitmap, const Color& rMaskColor )
1253 {
1254     DBG_TRACE( "OutputDevice::DrawMask()" );
1255 
1256     if( ImplIsRecordLayout() )
1257         return;
1258 
1259     const Size aSizePix( rBitmap.GetSizePixel() );
1260     ImplDrawMask( rDestPt, PixelToLogic( aSizePix ), Point(), aSizePix, rBitmap, rMaskColor, META_MASK_ACTION );
1261 
1262     if( mpAlphaVDev )
1263     {
1264         const Bitmap& rMask( rBitmap.CreateMask( rMaskColor ) );
1265 
1266         // #i25167# Restrict mask painting to _opaque_ areas
1267         // of the mask, otherwise we spoil areas where no
1268         // bitmap content was ever visible. Interestingly
1269         // enough, this can be achieved by taking the mask as
1270         // the transparency mask of itself
1271         mpAlphaVDev->DrawBitmapEx( rDestPt,
1272                                    PixelToLogic( aSizePix ),
1273                                    BitmapEx( rMask, rMask ) );
1274     }
1275 }
1276 
1277 // ------------------------------------------------------------------
1278 
1279 void OutputDevice::DrawMask( const Point& rDestPt, const Size& rDestSize,
1280                              const Bitmap& rBitmap, const Color& rMaskColor )
1281 {
1282     DBG_TRACE( "OutputDevice::DrawMask( Size )" );
1283 
1284     if( ImplIsRecordLayout() )
1285         return;
1286 
1287     ImplDrawMask( rDestPt, rDestSize, Point(), rBitmap.GetSizePixel(), rBitmap, rMaskColor, META_MASKSCALE_ACTION );
1288 
1289     // TODO: Use mask here
1290     if( mpAlphaVDev )
1291     {
1292         const Bitmap& rMask( rBitmap.CreateMask( rMaskColor ) );
1293 
1294         // #i25167# Restrict mask painting to _opaque_ areas
1295         // of the mask, otherwise we spoil areas where no
1296         // bitmap content was ever visible. Interestingly
1297         // enough, this can be achieved by taking the mask as
1298         // the transparency mask of itself
1299         mpAlphaVDev->DrawBitmapEx( rDestPt,
1300                                    rDestSize,
1301                                    BitmapEx( rMask, rMask ) );
1302     }
1303 }
1304 
1305 // ------------------------------------------------------------------
1306 
1307 void OutputDevice::DrawMask( const Point& rDestPt, const Size& rDestSize,
1308                              const Point& rSrcPtPixel, const Size& rSrcSizePixel,
1309                              const Bitmap& rBitmap, const Color& rMaskColor )
1310 {
1311     DBG_TRACE( "OutputDevice::DrawMask( Point, Size )" );
1312 
1313     if( ImplIsRecordLayout() )
1314         return;
1315 
1316     ImplDrawMask( rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel, rBitmap, rMaskColor, META_MASKSCALEPART_ACTION );
1317 
1318     // TODO: Use mask here
1319     if( mpAlphaVDev )
1320     {
1321         const Bitmap& rMask( rBitmap.CreateMask( rMaskColor ) );
1322 
1323         // #i25167# Restrict mask painting to _opaque_ areas
1324         // of the mask, otherwise we spoil areas where no
1325         // bitmap content was ever visible. Interestingly
1326         // enough, this can be achieved by taking the mask as
1327         // the transparency mask of itself
1328         mpAlphaVDev->DrawBitmapEx( rDestPt,
1329                                    rDestSize,
1330                                    rSrcPtPixel,
1331                                    rSrcSizePixel,
1332                                    BitmapEx( rMask, rMask ) );
1333     }
1334 }
1335 
1336 // ------------------------------------------------------------------
1337 
1338 void OutputDevice::ImplDrawMask( const Point& rDestPt, const Size& rDestSize,
1339                                  const Point& rSrcPtPixel, const Size& rSrcSizePixel,
1340                                  const Bitmap& rBitmap, const Color& rMaskColor,
1341                                  const sal_uLong nAction )
1342 {
1343     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1344 
1345     if( ROP_INVERT == meRasterOp )
1346     {
1347         DrawRect( Rectangle( rDestPt, rDestSize ) );
1348         return;
1349     }
1350 
1351     if ( mpMetaFile )
1352     {
1353         switch( nAction )
1354         {
1355             case( META_MASK_ACTION ):
1356                 mpMetaFile->AddAction( new MetaMaskAction( rDestPt,
1357                     rBitmap, rMaskColor ) );
1358             break;
1359 
1360             case( META_MASKSCALE_ACTION ):
1361                 mpMetaFile->AddAction( new MetaMaskScaleAction( rDestPt,
1362                     rDestSize, rBitmap, rMaskColor ) );
1363             break;
1364 
1365             case( META_MASKSCALEPART_ACTION ):
1366                 mpMetaFile->AddAction( new MetaMaskScalePartAction( rDestPt, rDestSize,
1367                     rSrcPtPixel, rSrcSizePixel, rBitmap, rMaskColor ) );
1368             break;
1369         }
1370     }
1371 
1372     OUTDEV_INIT();
1373 
1374     if ( OUTDEV_PRINTER == meOutDevType )
1375     {
1376         ImplPrintMask( rBitmap, rMaskColor, rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel );
1377         return;
1378     }
1379 
1380     const ImpBitmap* pImpBmp = rBitmap.ImplGetImpBitmap();
1381     if ( pImpBmp )
1382     {
1383         SalTwoRect aPosAry;
1384 
1385         aPosAry.mnSrcX = rSrcPtPixel.X();
1386         aPosAry.mnSrcY = rSrcPtPixel.Y();
1387         aPosAry.mnSrcWidth = rSrcSizePixel.Width();
1388         aPosAry.mnSrcHeight = rSrcSizePixel.Height();
1389         aPosAry.mnDestX = ImplLogicXToDevicePixel( rDestPt.X() );
1390         aPosAry.mnDestY = ImplLogicYToDevicePixel( rDestPt.Y() );
1391         aPosAry.mnDestWidth = ImplLogicWidthToDevicePixel( rDestSize.Width() );
1392         aPosAry.mnDestHeight = ImplLogicHeightToDevicePixel( rDestSize.Height() );
1393 
1394         // spiegeln via Koordinaten wollen wir nicht
1395         const sal_uLong nMirrFlags = ImplAdjustTwoRect( aPosAry, pImpBmp->ImplGetSize() );
1396 
1397         // check if output is necessary
1398         if( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight && aPosAry.mnDestWidth && aPosAry.mnDestHeight )
1399         {
1400 
1401             if( nMirrFlags )
1402             {
1403                 Bitmap aTmp( rBitmap );
1404                 aTmp.Mirror( nMirrFlags );
1405                 mpGraphics->DrawMask( aPosAry, *aTmp.ImplGetImpBitmap()->ImplGetSalBitmap(),
1406                                       ImplColorToSal( rMaskColor ) , this);
1407             }
1408             else
1409                 mpGraphics->DrawMask( aPosAry, *pImpBmp->ImplGetSalBitmap(),
1410                                       ImplColorToSal( rMaskColor ), this );
1411 
1412         }
1413     }
1414 }
1415 
1416 // ------------------------------------------------------------------
1417 
1418 void OutputDevice::DrawImage( const Point& rPos, const Image& rImage, sal_uInt16 nStyle )
1419 {
1420     DBG_ASSERT( GetOutDevType() != OUTDEV_PRINTER, "DrawImage(): Images can't be drawn on any mprinter" );
1421 
1422     if( !rImage.mpImplData || ImplIsRecordLayout() )
1423         return;
1424 
1425     switch( rImage.mpImplData->meType )
1426     {
1427         case IMAGETYPE_BITMAP:
1428             DrawBitmap( rPos, *static_cast< Bitmap* >( rImage.mpImplData->mpData ) );
1429         break;
1430 
1431         case IMAGETYPE_IMAGE:
1432         {
1433             ImplImageData* pData = static_cast< ImplImageData* >( rImage.mpImplData->mpData );
1434 
1435             if( !pData->mpImageBitmap )
1436             {
1437                 const Size aSize( pData->maBmpEx.GetSizePixel() );
1438 
1439                 pData->mpImageBitmap = new ImplImageBmp;
1440                 pData->mpImageBitmap->Create( pData->maBmpEx, aSize.Width(), aSize.Height(), 1 );
1441             }
1442 
1443             pData->mpImageBitmap->Draw( 0, this, rPos, nStyle );
1444         }
1445         break;
1446 
1447         default:
1448         break;
1449     }
1450 }
1451 
1452 // ------------------------------------------------------------------
1453 
1454 void OutputDevice::DrawImage( const Point& rPos, const Size& rSize,
1455                               const Image& rImage, sal_uInt16 nStyle )
1456 {
1457     DBG_ASSERT( GetOutDevType() != OUTDEV_PRINTER, "DrawImage(): Images can't be drawn on any mprinter" );
1458 
1459     if( rImage.mpImplData && !ImplIsRecordLayout() )
1460     {
1461         switch( rImage.mpImplData->meType )
1462         {
1463             case IMAGETYPE_BITMAP:
1464                 DrawBitmap( rPos, rSize, *static_cast< Bitmap* >( rImage.mpImplData->mpData ) );
1465             break;
1466 
1467             case IMAGETYPE_IMAGE:
1468             {
1469                 ImplImageData* pData = static_cast< ImplImageData* >( rImage.mpImplData->mpData );
1470 
1471                 if ( !pData->mpImageBitmap )
1472                 {
1473                     const Size aSize( pData->maBmpEx.GetSizePixel() );
1474 
1475                     pData->mpImageBitmap = new ImplImageBmp;
1476                     pData->mpImageBitmap->Create( pData->maBmpEx, aSize.Width(), aSize.Height(), 1 );
1477                 }
1478 
1479                 pData->mpImageBitmap->Draw( 0, this, rPos, nStyle, &rSize );
1480             }
1481             break;
1482 
1483             default:
1484             break;
1485         }
1486     }
1487 }
1488 
1489 // ------------------------------------------------------------------
1490 
1491 Bitmap OutputDevice::GetBitmap( const Point& rSrcPt, const Size& rSize ) const
1492 {
1493     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1494     OSL_ENSURE(OUTDEV_PRINTER != GetOutDevType(), "OutputDevice::GetBitmap with sorce type OUTDEV_PRINTER should not be used (!)");
1495 
1496     Bitmap  aBmp;
1497     long    nX = ImplLogicXToDevicePixel( rSrcPt.X() );
1498     long    nY = ImplLogicYToDevicePixel( rSrcPt.Y() );
1499     long    nWidth = ImplLogicWidthToDevicePixel( rSize.Width() );
1500     long    nHeight = ImplLogicHeightToDevicePixel( rSize.Height() );
1501 
1502     if ( mpGraphics || ( (OutputDevice*) this )->ImplGetGraphics() )
1503     {
1504         if ( nWidth > 0 && nHeight  > 0 && nX <= (mnOutWidth + mnOutOffX) && nY <= (mnOutHeight + mnOutOffY))
1505         {
1506             Rectangle   aRect( Point( nX, nY ), Size( nWidth, nHeight ) );
1507             sal_Bool        bClipped = sal_False;
1508 
1509             // X-Koordinate ausserhalb des Bereichs?
1510             if ( nX < mnOutOffX )
1511             {
1512                 nWidth -= ( mnOutOffX - nX );
1513                 nX = mnOutOffX;
1514                 bClipped = sal_True;
1515             }
1516 
1517             // Y-Koordinate ausserhalb des Bereichs?
1518             if ( nY < mnOutOffY )
1519             {
1520                 nHeight -= ( mnOutOffY - nY );
1521                 nY = mnOutOffY;
1522                 bClipped = sal_True;
1523             }
1524 
1525             // Breite ausserhalb des Bereichs?
1526             if ( (nWidth + nX) > (mnOutWidth + mnOutOffX) )
1527             {
1528                 nWidth  = mnOutOffX + mnOutWidth - nX;
1529                 bClipped = sal_True;
1530             }
1531 
1532             // Hoehe ausserhalb des Bereichs?
1533             if ( (nHeight + nY) > (mnOutHeight + mnOutOffY) )
1534             {
1535                 nHeight = mnOutOffY + mnOutHeight - nY;
1536                 bClipped = sal_True;
1537             }
1538 
1539             if ( bClipped )
1540             {
1541                 // Falls auf den sichtbaren Bereich geclipped wurde,
1542                 // muessen wir eine Bitmap in der rchtigen Groesse
1543                 // erzeugen, in die die geclippte Bitmap an die angepasste
1544                 // Position kopiert wird
1545                 VirtualDevice aVDev( *this );
1546 
1547                 if ( aVDev.SetOutputSizePixel( aRect.GetSize() ) )
1548                 {
1549                     if ( ((OutputDevice*)&aVDev)->mpGraphics || ((OutputDevice*)&aVDev)->ImplGetGraphics() )
1550                     {
1551                         SalTwoRect aPosAry;
1552 
1553                         aPosAry.mnSrcX = nX;
1554                         aPosAry.mnSrcY = nY;
1555                         aPosAry.mnSrcWidth = nWidth;
1556                         aPosAry.mnSrcHeight = nHeight;
1557                         aPosAry.mnDestX = ( aRect.Left() < mnOutOffX ) ? ( mnOutOffX - aRect.Left() ) : 0L;
1558                         aPosAry.mnDestY = ( aRect.Top() < mnOutOffY ) ? ( mnOutOffY - aRect.Top() ) : 0L;
1559                         aPosAry.mnDestWidth = nWidth;
1560                         aPosAry.mnDestHeight = nHeight;
1561 
1562                         if ( (nWidth > 0) && (nHeight > 0) )
1563                         {
1564                             (((OutputDevice*)&aVDev)->mpGraphics)->CopyBits( aPosAry, mpGraphics, this, this );
1565                         }
1566                         else
1567                         {
1568                             OSL_ENSURE(false, "CopyBits with negative width or height (!)");
1569                         }
1570 
1571                         aBmp = aVDev.GetBitmap( Point(), aVDev.GetOutputSizePixel() );
1572                      }
1573                      else
1574                         bClipped = sal_False;
1575                 }
1576                 else
1577                     bClipped = sal_False;
1578             }
1579 
1580             if ( !bClipped )
1581             {
1582                 SalBitmap* pSalBmp = mpGraphics->GetBitmap( nX, nY, nWidth, nHeight, this );
1583 
1584                 if( pSalBmp )
1585                 {
1586                     ImpBitmap* pImpBmp = new ImpBitmap;
1587                     pImpBmp->ImplSetSalBitmap( pSalBmp );
1588                     aBmp.ImplSetImpBitmap( pImpBmp );
1589                 }
1590             }
1591         }
1592     }
1593 
1594     return aBmp;
1595 }
1596 
1597 // ------------------------------------------------------------------
1598 
1599 BitmapEx OutputDevice::GetBitmapEx( const Point& rSrcPt, const Size& rSize ) const
1600 {
1601     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1602 
1603     // #110958# Extract alpha value from VDev, if any
1604     if( mpAlphaVDev )
1605     {
1606         Bitmap aAlphaBitmap( mpAlphaVDev->GetBitmap( rSrcPt, rSize ) );
1607 
1608         // ensure 8 bit alpha
1609         if( aAlphaBitmap.GetBitCount() > 8 )
1610             aAlphaBitmap.Convert( BMP_CONVERSION_8BIT_GREYS );
1611 
1612         return BitmapEx(GetBitmap( rSrcPt, rSize ), AlphaMask( aAlphaBitmap ) );
1613     }
1614     else
1615         return GetBitmap( rSrcPt, rSize );
1616 }
1617 
1618 // ------------------------------------------------------------------
1619 
1620 void OutputDevice::ImplGetFrameBitmap( const Point& rDestPt, const Size& rSize,
1621                                        Bitmap& rBitmap ) const
1622 {
1623     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1624 
1625     sal_Bool bOldMap = mbMap;
1626     ((OutputDevice*)this)->mbMap = sal_False;
1627     rBitmap = GetBitmap( rDestPt, rSize );
1628     ((OutputDevice*)this)->mbMap = bOldMap;
1629 }
1630 
1631 // ------------------------------------------------------------------
1632 
1633 Color OutputDevice::GetPixel( const Point& rPt ) const
1634 {
1635     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1636 
1637     Color aColor;
1638 
1639     if ( mpGraphics || ((OutputDevice*)this)->ImplGetGraphics() )
1640     {
1641         if ( mbInitClipRegion )
1642             ((OutputDevice*)this)->ImplInitClipRegion();
1643 
1644         if ( !mbOutputClipped )
1645         {
1646             const long      nX = ImplLogicXToDevicePixel( rPt.X() );
1647             const long      nY = ImplLogicYToDevicePixel( rPt.Y() );
1648             const SalColor  aSalCol = mpGraphics->GetPixel( nX, nY, this );
1649             aColor.SetRed( SALCOLOR_RED( aSalCol ) );
1650             aColor.SetGreen( SALCOLOR_GREEN( aSalCol ) );
1651             aColor.SetBlue( SALCOLOR_BLUE( aSalCol ) );
1652         }
1653     }
1654     return aColor;
1655 }
1656 
1657 // ------------------------------------------------------------------
1658 
1659 Color* OutputDevice::GetPixel( const Polygon& rPts ) const
1660 {
1661     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1662 
1663     Color*          pColors = NULL;
1664     const sal_uInt16    nSize = rPts.GetSize();
1665 
1666     if( nSize )
1667     {
1668         if ( mpGraphics || ((OutputDevice*)this)->ImplGetGraphics() )
1669         {
1670             if ( mbInitClipRegion )
1671                 ((OutputDevice*)this)->ImplInitClipRegion();
1672 
1673             if ( !mbOutputClipped )
1674             {
1675                 pColors = new Color[ nSize ];
1676 
1677                 for( sal_uInt16 i = 0; i < nSize; i++ )
1678                 {
1679                     Color&          rCol = pColors[ i ];
1680                     const Point&    rPt = rPts[ i ];
1681                     const SalColor  aSalCol( mpGraphics->GetPixel( ImplLogicXToDevicePixel( rPt.X() ),
1682                                                                    ImplLogicYToDevicePixel( rPt.Y() ) , this) );
1683 
1684                     rCol.SetRed( SALCOLOR_RED( aSalCol ) );
1685                     rCol.SetGreen( SALCOLOR_GREEN( aSalCol ) );
1686                     rCol.SetBlue( SALCOLOR_BLUE( aSalCol ) );
1687                 }
1688             }
1689         }
1690     }
1691 
1692     return pColors;
1693 }
1694 
1695 // -----------------------------------------------------------------------
1696 
1697 void OutputDevice::DrawPixel( const Point& rPt )
1698 {
1699     DBG_TRACE( "OutputDevice::DrawPixel()" );
1700     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1701 
1702     if ( mpMetaFile )
1703         mpMetaFile->AddAction( new MetaPointAction( rPt ) );
1704 
1705     if ( !IsDeviceOutputNecessary() || !mbLineColor || ImplIsRecordLayout() )
1706         return;
1707 
1708     Point aPt = ImplLogicToDevicePixel( rPt );
1709 
1710     // we need a graphics
1711     if ( !mpGraphics )
1712     {
1713         if ( !ImplGetGraphics() )
1714             return;
1715     }
1716 
1717     if ( mbInitClipRegion )
1718         ImplInitClipRegion();
1719     if ( mbOutputClipped )
1720         return;
1721 
1722     if ( mbInitLineColor )
1723         ImplInitLineColor();
1724 
1725     mpGraphics->DrawPixel( aPt.X(), aPt.Y(), this );
1726 
1727     if( mpAlphaVDev )
1728         mpAlphaVDev->DrawPixel( rPt );
1729 }
1730 
1731 // -----------------------------------------------------------------------
1732 
1733 void OutputDevice::DrawPixel( const Point& rPt, const Color& rColor )
1734 {
1735     DBG_TRACE( "OutputDevice::DrawPixel()" );
1736     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1737 
1738     Color aColor( rColor );
1739 
1740     if( mnDrawMode & ( DRAWMODE_BLACKLINE | DRAWMODE_WHITELINE |
1741                        DRAWMODE_GRAYLINE | DRAWMODE_GHOSTEDLINE |
1742                        DRAWMODE_SETTINGSLINE ) )
1743     {
1744         if( !ImplIsColorTransparent( aColor ) )
1745         {
1746             if( mnDrawMode & DRAWMODE_BLACKLINE )
1747             {
1748                 aColor = Color( COL_BLACK );
1749             }
1750             else if( mnDrawMode & DRAWMODE_WHITELINE )
1751             {
1752                 aColor = Color( COL_WHITE );
1753             }
1754             else if( mnDrawMode & DRAWMODE_GRAYLINE )
1755             {
1756                 const sal_uInt8 cLum = aColor.GetLuminance();
1757                 aColor = Color( cLum, cLum, cLum );
1758             }
1759             else if( mnDrawMode & DRAWMODE_SETTINGSLINE )
1760             {
1761                 aColor = GetSettings().GetStyleSettings().GetFontColor();
1762             }
1763 
1764             if( mnDrawMode & DRAWMODE_GHOSTEDLINE )
1765             {
1766                 aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
1767                                 ( aColor.GetGreen() >> 1 ) | 0x80,
1768                                 ( aColor.GetBlue() >> 1 ) | 0x80 );
1769             }
1770         }
1771     }
1772 
1773     if ( mpMetaFile )
1774         mpMetaFile->AddAction( new MetaPixelAction( rPt, aColor ) );
1775 
1776     if ( !IsDeviceOutputNecessary() || ImplIsColorTransparent( aColor ) || ImplIsRecordLayout() )
1777         return;
1778 
1779     Point aPt = ImplLogicToDevicePixel( rPt );
1780 
1781     // we need a graphics
1782     if ( !mpGraphics )
1783     {
1784         if ( !ImplGetGraphics() )
1785             return;
1786     }
1787 
1788     if ( mbInitClipRegion )
1789         ImplInitClipRegion();
1790     if ( mbOutputClipped )
1791         return;
1792 
1793     mpGraphics->DrawPixel( aPt.X(), aPt.Y(), ImplColorToSal( aColor ), this );
1794 
1795     if( mpAlphaVDev )
1796         mpAlphaVDev->DrawPixel( rPt );
1797 }
1798 
1799 // -----------------------------------------------------------------------
1800 
1801 void OutputDevice::DrawPixel( const Polygon& rPts, const Color* pColors )
1802 {
1803     if ( !pColors )
1804         DrawPixel( rPts, GetLineColor() );
1805     else
1806     {
1807         DBG_TRACE( "OutputDevice::DrawPixel()" );
1808         DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1809         DBG_ASSERT( pColors, "OutputDevice::DrawPixel: No color array specified" );
1810 
1811         const sal_uInt16 nSize = rPts.GetSize();
1812 
1813         if ( nSize )
1814         {
1815             if ( mpMetaFile )
1816                 for ( sal_uInt16 i = 0; i < nSize; i++ )
1817                     mpMetaFile->AddAction( new MetaPixelAction( rPts[ i ], pColors[ i ] ) );
1818 
1819             if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
1820                 return;
1821 
1822             // we need a graphics
1823             if ( mpGraphics || ImplGetGraphics() )
1824             {
1825                 if ( mbInitClipRegion )
1826                     ImplInitClipRegion();
1827 
1828                 if ( mbOutputClipped )
1829                     return;
1830 
1831                 for ( sal_uInt16 i = 0; i < nSize; i++ )
1832                 {
1833                     const Point aPt( ImplLogicToDevicePixel( rPts[ i ] ) );
1834                     mpGraphics->DrawPixel( aPt.X(), aPt.Y(), ImplColorToSal( pColors[ i ] ), this );
1835                 }
1836             }
1837         }
1838     }
1839 
1840     if( mpAlphaVDev )
1841         mpAlphaVDev->DrawPixel( rPts, pColors );
1842 }
1843 
1844 // -----------------------------------------------------------------------
1845 
1846 void OutputDevice::DrawPixel( const Polygon& rPts, const Color& rColor )
1847 {
1848     if( rColor != COL_TRANSPARENT && ! ImplIsRecordLayout() )
1849     {
1850         const sal_uInt16    nSize = rPts.GetSize();
1851         Color*          pColArray = new Color[ nSize ];
1852 
1853         for( sal_uInt16 i = 0; i < nSize; i++ )
1854             pColArray[ i ] = rColor;
1855 
1856         DrawPixel( rPts, pColArray );
1857         delete[] pColArray;
1858     }
1859 
1860     if( mpAlphaVDev )
1861         mpAlphaVDev->DrawPixel( rPts, rColor );
1862 }
1863 
1864 // ------------------------------------------------------------------------
1865 
1866 namespace
1867 {
1868     sal_uInt8 lcl_calcColor( const sal_uInt8 nSourceColor, const sal_uInt8 nSourceOpaq, const sal_uInt8 nDestColor )
1869     {
1870         int c = ( (int)nDestColor * ( 255 - nSourceOpaq ) )
1871             +     (int)nSourceOpaq * (int)nSourceColor;
1872         return sal_uInt8( c / 255 );
1873     }
1874 }
1875 
1876 // ------------------------------------------------------------------------
1877 
1878 Bitmap OutputDevice::ImplBlendWithAlpha( Bitmap              aBmp,
1879                                          BitmapReadAccess*   pP,
1880                                          BitmapReadAccess*   pA,
1881                                          const Rectangle&    aDstRect,
1882                                          const sal_Int32     nOffY,
1883                                          const sal_Int32     nDstHeight,
1884                                          const sal_Int32     nOffX,
1885                                          const sal_Int32     nDstWidth,
1886                                          const long*         pMapX,
1887                                          const long*         pMapY )
1888 {
1889     BitmapColor aDstCol,aSrcCol;
1890     Bitmap      res;
1891     int         nX, nOutX, nY, nOutY;
1892 
1893     OSL_ENSURE(mpAlphaVDev,
1894                "ImplBlendWithAlpha(): call me only with valid alpha VDev!" );
1895 
1896     sal_Bool bOldMapMode( mpAlphaVDev->IsMapModeEnabled() );
1897     mpAlphaVDev->EnableMapMode(sal_False);
1898 
1899     Bitmap aAlphaBitmap( mpAlphaVDev->GetBitmap( aDstRect.TopLeft(), aDstRect.GetSize() ) );
1900     BitmapWriteAccess*  pAlphaW = aAlphaBitmap.AcquireWriteAccess();
1901 
1902     if( GetBitCount() <= 8 )
1903     {
1904         Bitmap              aDither( aBmp.GetSizePixel(), 8 );
1905         BitmapColor         aIndex( 0 );
1906         BitmapReadAccess*   pB = aBmp.AcquireReadAccess();
1907         BitmapWriteAccess*  pW = aDither.AcquireWriteAccess();
1908 
1909         if( pB && pP && pA && pW && pAlphaW )
1910         {
1911             for( nY = 0, nOutY = nOffY; nY < nDstHeight; nY++, nOutY++ )
1912             {
1913                 const long nMapY = pMapY[ nY ];
1914                 const long nModY = ( nOutY & 0x0FL ) << 4L;
1915 
1916                 for( nX = 0, nOutX = nOffX; nX < nDstWidth; nX++, nOutX++ )
1917                 {
1918                     const long  nMapX = pMapX[ nX ];
1919                     const sal_uLong nD = nVCLDitherLut[ nModY | ( nOutX & 0x0FL ) ];
1920 
1921                     aSrcCol = pP->GetColor( nMapY, nMapX );
1922                     aDstCol = pB->GetColor( nY, nX );
1923                     const sal_uInt8 nSrcOpaq = 255 - pA->GetPixelIndex( nMapY, nMapX );
1924                     const sal_uInt8 nDstOpaq  = 255 - pAlphaW->GetPixelIndex( nY, nX );
1925 
1926                     aDstCol.SetRed( lcl_calcColor( aSrcCol.GetRed(), nSrcOpaq, aDstCol.GetRed() ) );
1927                     aDstCol.SetBlue( lcl_calcColor( aSrcCol.GetBlue(), nSrcOpaq, aDstCol.GetBlue() ) );
1928                     aDstCol.SetGreen( lcl_calcColor( aSrcCol.GetGreen(), nSrcOpaq, aDstCol.GetGreen() ) );
1929 
1930                     aIndex.SetIndex( (sal_uInt8) ( nVCLRLut[ ( nVCLLut[ aDstCol.GetRed() ] + nD ) >> 16UL ] +
1931                                               nVCLGLut[ ( nVCLLut[ aDstCol.GetGreen() ] + nD ) >> 16UL ] +
1932                                               nVCLBLut[ ( nVCLLut[ aDstCol.GetBlue() ] + nD ) >> 16UL ] ) );
1933                     pW->SetPixel( nY, nX, aIndex );
1934 
1935                     // Have to perform the compositing 'algebra' in
1936                     // the inverse alpha space (with 255 meaning
1937                     // opaque), otherwise, transitivity is not
1938                     // achieved.
1939                     const sal_uInt8 nSrcAlpha = 255-COLOR_CHANNEL_MERGE( 255, (sal_uInt8)nDstOpaq, nSrcOpaq );
1940 
1941                     aIndex.SetIndex( (sal_uInt8) ( nVCLRLut[ ( nVCLLut[ nSrcAlpha ] + nD ) >> 16UL ] +
1942                                               nVCLGLut[ ( nVCLLut[ nSrcAlpha ] + nD ) >> 16UL ] +
1943                                               nVCLBLut[ ( nVCLLut[ nSrcAlpha ] + nD ) >> 16UL ] ) );
1944                     pAlphaW->SetPixel( nY, nX, aIndex );
1945                 }
1946             }
1947         }
1948 
1949         aBmp.ReleaseAccess( pB );
1950         aDither.ReleaseAccess( pW );
1951         res = aDither;
1952     }
1953     else
1954     {
1955         BitmapWriteAccess*  pB = aBmp.AcquireWriteAccess();
1956         if( pP && pA && pB )
1957         {
1958             for( nY = 0; nY < nDstHeight; nY++ )
1959             {
1960                 const long  nMapY = pMapY[ nY ];
1961 
1962                 for( nX = 0; nX < nDstWidth; nX++ )
1963                 {
1964                     const long nMapX = pMapX[ nX ];
1965 
1966                     aSrcCol = pP->GetColor( nMapY, nMapX );
1967                     aDstCol = pB->GetColor( nY, nX );
1968                     const sal_uInt8 nSrcOpaq  = 255 - pA->GetPixelIndex( nMapY, nMapX );
1969                     const sal_uInt8 nDstOpaq  = 255 - pAlphaW->GetPixelIndex( nY, nX );
1970 
1971                     aDstCol.SetRed( lcl_calcColor( aSrcCol.GetRed(), nSrcOpaq, aDstCol.GetRed() ) );
1972                     aDstCol.SetBlue( lcl_calcColor( aSrcCol.GetBlue(), nSrcOpaq, aDstCol.GetBlue() ) );
1973                     aDstCol.SetGreen( lcl_calcColor( aSrcCol.GetGreen(), nSrcOpaq, aDstCol.GetGreen() ) );
1974 
1975                     pB->SetPixel( nY, nX, aDstCol );
1976 
1977                     // Have to perform the compositing 'algebra' in
1978                     // the inverse alpha space (with 255 meaning
1979                     // opaque), otherwise, transitivity is not
1980                     // achieved.
1981                     const sal_uInt8 nSrcAlpha = 255-COLOR_CHANNEL_MERGE( 255, (sal_uInt8)nDstOpaq, nSrcOpaq );
1982 
1983                     pAlphaW->SetPixel( nY, nX, Color(nSrcAlpha, nSrcAlpha, nSrcAlpha) );
1984                 }
1985             }
1986         }
1987 
1988         aBmp.ReleaseAccess( pB );
1989         res = aBmp;
1990     }
1991 
1992     aAlphaBitmap.ReleaseAccess( pAlphaW );
1993     mpAlphaVDev->DrawBitmap( aDstRect.TopLeft(), aAlphaBitmap );
1994     mpAlphaVDev->EnableMapMode( bOldMapMode );
1995 
1996     return res;
1997 }
1998 
1999 // ------------------------------------------------------------------------
2000 
2001 Bitmap OutputDevice::ImplBlend( Bitmap              aBmp,
2002                                 BitmapReadAccess*   pP,
2003                                 BitmapReadAccess*   pA,
2004                                 const sal_Int32     nOffY,
2005                                 const sal_Int32     nDstHeight,
2006                                 const sal_Int32     nOffX,
2007                                 const sal_Int32     nDstWidth,
2008                                 const Rectangle&    aBmpRect,
2009                                 const Size&         aOutSz,
2010                                 const bool          bHMirr,
2011                                 const bool          bVMirr,
2012                                 const long*         pMapX,
2013                                 const long*         pMapY )
2014 {
2015     BitmapColor aDstCol;
2016     Bitmap      res;
2017     int         nX, nOutX, nY, nOutY;
2018 
2019     if( GetBitCount() <= 8 )
2020     {
2021         Bitmap              aDither( aBmp.GetSizePixel(), 8 );
2022         BitmapColor         aIndex( 0 );
2023         BitmapReadAccess*   pB = aBmp.AcquireReadAccess();
2024         BitmapWriteAccess*  pW = aDither.AcquireWriteAccess();
2025 
2026         if( pB && pP && pA && pW )
2027         {
2028             for( nY = 0, nOutY = nOffY; nY < nDstHeight; nY++, nOutY++ )
2029             {
2030                 const long nMapY = pMapY[ nY ];
2031                 const long nModY = ( nOutY & 0x0FL ) << 4L;
2032 
2033                 for( nX = 0, nOutX = nOffX; nX < nDstWidth; nX++, nOutX++ )
2034                 {
2035                     const long  nMapX = pMapX[ nX ];
2036                     const sal_uLong nD = nVCLDitherLut[ nModY | ( nOutX & 0x0FL ) ];
2037 
2038                     aDstCol = pB->GetColor( nY, nX );
2039                     aDstCol.Merge( pP->GetColor( nMapY, nMapX ), pA->GetPixelIndex( nMapY, nMapX ) );
2040                     aIndex.SetIndex( (sal_uInt8) ( nVCLRLut[ ( nVCLLut[ aDstCol.GetRed() ] + nD ) >> 16UL ] +
2041                                               nVCLGLut[ ( nVCLLut[ aDstCol.GetGreen() ] + nD ) >> 16UL ] +
2042                                               nVCLBLut[ ( nVCLLut[ aDstCol.GetBlue() ] + nD ) >> 16UL ] ) );
2043                     pW->SetPixel( nY, nX, aIndex );
2044                 }
2045             }
2046         }
2047 
2048         aBmp.ReleaseAccess( pB );
2049         aDither.ReleaseAccess( pW );
2050         res = aDither;
2051     }
2052     else
2053     {
2054         BitmapWriteAccess*  pB = aBmp.AcquireWriteAccess();
2055 
2056         bool bFastBlend = false;
2057         if( pP && pA && pB )
2058         {
2059             SalTwoRect aTR;
2060             aTR.mnSrcX      = aBmpRect.Left();
2061             aTR.mnSrcY      = aBmpRect.Top();
2062             aTR.mnSrcWidth  = aBmpRect.GetWidth();
2063             aTR.mnSrcHeight = aBmpRect.GetHeight();
2064             aTR.mnDestX     = nOffX;
2065             aTR.mnDestY     = nOffY;
2066             aTR.mnDestWidth = aOutSz.Width();
2067             aTR.mnDestHeight= aOutSz.Height();
2068 
2069             if( !bHMirr || !bVMirr )
2070                 bFastBlend = ImplFastBitmapBlending( *pB,*pP,*pA, aTR );
2071         }
2072 
2073         if( pP && pA && pB && !bFastBlend )
2074         {
2075             switch( pP->GetScanlineFormat() )
2076             {
2077                 case( BMP_FORMAT_8BIT_PAL ):
2078                     {
2079                         for( nY = 0; nY < nDstHeight; nY++ )
2080                         {
2081                             const long  nMapY = pMapY[ nY ];
2082                             Scanline    pPScan = pP->GetScanline( nMapY );
2083                             Scanline    pAScan = pA->GetScanline( nMapY );
2084 
2085                             for( nX = 0; nX < nDstWidth; nX++ )
2086                             {
2087                                 const long nMapX = pMapX[ nX ];
2088                                 aDstCol = pB->GetPixel( nY, nX );
2089                                 pB->SetPixel( nY, nX, aDstCol.Merge( pP->GetPaletteColor( pPScan[ nMapX ] ),
2090                                                                      pAScan[ nMapX ] ) );
2091                             }
2092                         }
2093                     }
2094                     break;
2095 
2096                 case( BMP_FORMAT_24BIT_TC_BGR ):
2097                     {
2098                         for( nY = 0; nY < nDstHeight; nY++ )
2099                         {
2100                             const long  nMapY = pMapY[ nY ];
2101                             Scanline    pPScan = pP->GetScanline( nMapY );
2102                             Scanline    pAScan = pA->GetScanline( nMapY );
2103 
2104                             for( nX = 0; nX < nDstWidth; nX++ )
2105                             {
2106                                 const long  nMapX = pMapX[ nX ];
2107                                 Scanline    pTmp = pPScan + nMapX * 3;
2108 
2109                                 aDstCol = pB->GetPixel( nY, nX );
2110                                 pB->SetPixel( nY, nX, aDstCol.Merge( pTmp[ 2 ], pTmp[ 1 ], pTmp[ 0 ],
2111                                                                      pAScan[ nMapX ] ) );
2112                             }
2113                         }
2114                     }
2115                     break;
2116 
2117                 case( BMP_FORMAT_24BIT_TC_RGB ):
2118                     {
2119                         for( nY = 0; nY < nDstHeight; nY++ )
2120                         {
2121                             const long  nMapY = pMapY[ nY ];
2122                             Scanline    pPScan = pP->GetScanline( nMapY );
2123                             Scanline    pAScan = pA->GetScanline( nMapY );
2124 
2125                             for( nX = 0; nX < nDstWidth; nX++ )
2126                             {
2127                                 const long  nMapX = pMapX[ nX ];
2128                                 Scanline    pTmp = pPScan + nMapX * 3;
2129 
2130                                 aDstCol = pB->GetPixel( nY, nX );
2131                                 pB->SetPixel( nY, nX, aDstCol.Merge( pTmp[ 0 ], pTmp[ 1 ], pTmp[ 2 ],
2132                                                                      pAScan[ nMapX ] ) );
2133                             }
2134                         }
2135                     }
2136                     break;
2137 
2138                 default:
2139                 {
2140                     for( nY = 0; nY < nDstHeight; nY++ )
2141                     {
2142                         const long  nMapY = pMapY[ nY ];
2143                         Scanline    pAScan = pA->GetScanline( nMapY );
2144 
2145                         for( nX = 0; nX < nDstWidth; nX++ )
2146                         {
2147                             const long nMapX = pMapX[ nX ];
2148                             aDstCol = pB->GetPixel( nY, nX );
2149                             pB->SetPixel( nY, nX, aDstCol.Merge( pP->GetColor( nMapY, nMapX ),
2150                                                                  pAScan[ nMapX ] ) );
2151                         }
2152                     }
2153                 }
2154                 break;
2155             }
2156         }
2157 
2158         aBmp.ReleaseAccess( pB );
2159         res = aBmp;
2160     }
2161 
2162     return res;
2163 }
2164 
2165 // ------------------------------------------------------------------------
2166 
2167 void OutputDevice::ImplDrawAlpha( const Bitmap& rBmp, const AlphaMask& rAlpha,
2168                                   const Point& rDestPt, const Size& rDestSize,
2169                                   const Point& rSrcPtPixel, const Size& rSrcSizePixel )
2170 {
2171     const Point aNullPt;
2172     Point       aOutPt( LogicToPixel( rDestPt ) );
2173     Size        aOutSz( LogicToPixel( rDestSize ) );
2174     Rectangle   aDstRect( aNullPt, GetOutputSizePixel() );
2175     const sal_Bool  bHMirr = aOutSz.Width() < 0, bVMirr = aOutSz.Height() < 0;
2176 
2177     if( OUTDEV_WINDOW == meOutDevType )
2178     {
2179         const Region aPaintRgn( ( (Window*) this )->GetPaintRegion() );
2180 
2181         if( !aPaintRgn.IsNull() )
2182             aDstRect.Intersection( LogicToPixel( aPaintRgn.GetBoundRect() ) );
2183     }
2184 
2185     if( bHMirr )
2186     {
2187         aOutSz.Width() = -aOutSz.Width();
2188         aOutPt.X() -= ( aOutSz.Width() - 1L );
2189     }
2190 
2191     if( bVMirr )
2192     {
2193         aOutSz.Height() = -aOutSz.Height();
2194         aOutPt.Y() -= ( aOutSz.Height() - 1L );
2195     }
2196 
2197     if( !aDstRect.Intersection( Rectangle( aOutPt, aOutSz ) ).IsEmpty() )
2198     {
2199         bool bNativeAlpha = false;
2200         static const char* pDisableNative = getenv( "SAL_DISABLE_NATIVE_ALPHA");
2201         // #i83087# Naturally, system alpha blending cannot work with
2202         // separate alpha VDev
2203         bool bTryDirectPaint(!mpAlphaVDev && !pDisableNative && !bHMirr && !bVMirr);
2204 
2205 #ifdef WNT
2206         if(bTryDirectPaint)
2207         {
2208             // only paint direct when no scaling and no MapMode, else the
2209             // more expensive conversions may be done for short-time Bitmap/BitmapEx
2210             // used for buffering only
2211             if(!IsMapMode() && rSrcSizePixel.Width() == aOutSz.Width() && rSrcSizePixel.Height() == aOutSz.Height())
2212             {
2213                 bTryDirectPaint = false;
2214             }
2215         }
2216 #endif
2217 
2218         if(bTryDirectPaint)
2219         {
2220             Point aRelPt = aOutPt + Point( mnOutOffX, mnOutOffY );
2221             SalTwoRect aTR = {
2222                 rSrcPtPixel.X(), rSrcPtPixel.Y(),
2223                 rSrcSizePixel.Width(), rSrcSizePixel.Height(),
2224                 aRelPt.X(), aRelPt.Y(),
2225                 aOutSz.Width(), aOutSz.Height()
2226             };
2227             SalBitmap* pSalSrcBmp = rBmp.ImplGetImpBitmap()->ImplGetSalBitmap();
2228             SalBitmap* pSalAlphaBmp = rAlpha.ImplGetImpBitmap()->ImplGetSalBitmap();
2229             bNativeAlpha = mpGraphics->DrawAlphaBitmap( aTR, *pSalSrcBmp, *pSalAlphaBmp, this );
2230         }
2231 
2232         VirtualDevice* pOldVDev = mpAlphaVDev;
2233 
2234         Rectangle aBmpRect( aNullPt, rBmp.GetSizePixel() );
2235         if( !bNativeAlpha
2236                 &&  !aBmpRect.Intersection( Rectangle( rSrcPtPixel, rSrcSizePixel ) ).IsEmpty() )
2237         {
2238             GDIMetaFile*    pOldMetaFile = mpMetaFile; mpMetaFile = NULL;
2239             const sal_Bool      bOldMap = mbMap; mbMap = sal_False;
2240             Bitmap          aBmp( GetBitmap( aDstRect.TopLeft(), aDstRect.GetSize() ) );
2241 
2242             // #109044# The generated bitmap need not necessarily be
2243             // of aDstRect dimensions, it's internally clipped to
2244             // window bounds. Thus, we correct the dest size here,
2245             // since we later use it (in nDstWidth/Height) for pixel
2246             // access)
2247             // #i38887# reading from screen may sometimes fail
2248             if( aBmp.ImplGetImpBitmap() )
2249                 aDstRect.SetSize( aBmp.GetSizePixel() );
2250 
2251             BitmapColor     aDstCol;
2252             const long      nSrcWidth = aBmpRect.GetWidth(), nSrcHeight = aBmpRect.GetHeight();
2253             const long      nDstWidth = aDstRect.GetWidth(), nDstHeight = aDstRect.GetHeight();
2254             const long      nOutWidth = aOutSz.Width(), nOutHeight = aOutSz.Height();
2255             // calculate offset in original bitmap
2256             // in RTL case this is a little more complicated since the contents of the
2257             // bitmap is not mirrored (it never is), however the paint region and bmp region
2258             // are in mirrored coordinates, so the intersection of (aOutPt,aOutSz) with these
2259             // is content wise somewhere else and needs to take mirroring into account
2260             const long      nOffX = IsRTLEnabled()
2261                                     ? aOutSz.Width() - aDstRect.GetWidth() - (aDstRect.Left() - aOutPt.X())
2262                                     : aDstRect.Left() - aOutPt.X(),
2263                             nOffY = aDstRect.Top() - aOutPt.Y();
2264             long            nX, nOutX, nY, nOutY;
2265             long            nMirrOffX = 0;
2266             long            nMirrOffY = 0;
2267             long*           pMapX = new long[ nDstWidth ];
2268             long*           pMapY = new long[ nDstHeight ];
2269 
2270             // create horizontal mapping table
2271             if( bHMirr )
2272                 nMirrOffX = ( aBmpRect.Left() << 1 ) + nSrcWidth - 1;
2273 
2274             for( nX = 0L, nOutX = nOffX; nX < nDstWidth; nX++, nOutX++ )
2275             {
2276                 pMapX[ nX ] = aBmpRect.Left() + nOutX * nSrcWidth / nOutWidth;
2277                 if( bHMirr )
2278                     pMapX[ nX ] = nMirrOffX - pMapX[ nX ];
2279             }
2280 
2281             // create vertical mapping table
2282             if( bVMirr )
2283                 nMirrOffY = ( aBmpRect.Top() << 1 ) + nSrcHeight - 1;
2284 
2285             for( nY = 0L, nOutY = nOffY; nY < nDstHeight; nY++, nOutY++ )
2286             {
2287                 pMapY[ nY ] = aBmpRect.Top() + nOutY * nSrcHeight / nOutHeight;
2288 
2289                 if( bVMirr )
2290                     pMapY[ nY ] = nMirrOffY - pMapY[ nY ];
2291             }
2292 
2293             BitmapReadAccess*   pP = ( (Bitmap&) rBmp ).AcquireReadAccess();
2294             BitmapReadAccess*   pA = ( (AlphaMask&) rAlpha ).AcquireReadAccess();
2295 
2296             DBG_ASSERT( pA->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL ||
2297                         pA->GetScanlineFormat() == BMP_FORMAT_8BIT_TC_MASK,
2298                         "OutputDevice::ImplDrawAlpha(): non-8bit alpha no longer supported!" );
2299 
2300             // #i38887# reading from screen may sometimes fail
2301             if( aBmp.ImplGetImpBitmap() )
2302             {
2303                 Bitmap aTmp;
2304 
2305                 if( mpAlphaVDev )
2306                 {
2307                     aTmp = ImplBlendWithAlpha(
2308                         aBmp,pP,pA,
2309                         aDstRect,
2310                         nOffY,nDstHeight,
2311                         nOffX,nDstWidth,
2312                         pMapX,pMapY );
2313                 }
2314                 else
2315                 {
2316                     aTmp = ImplBlend(
2317                         aBmp,pP,pA,
2318                         nOffY,nDstHeight,
2319                         nOffX,nDstWidth,
2320                         aBmpRect,aOutSz,
2321                         bHMirr,bVMirr,
2322                         pMapX,pMapY );
2323                 }
2324 
2325                 // #110958# Disable alpha VDev, we're doing the necessary
2326                 // stuff explicitely furher below
2327                 if( mpAlphaVDev )
2328                     mpAlphaVDev = NULL;
2329 
2330                 DrawBitmap( aDstRect.TopLeft(),
2331                             aTmp );
2332 
2333                 // #110958# Enable alpha VDev again
2334                 mpAlphaVDev = pOldVDev;
2335             }
2336 
2337             ( (Bitmap&) rBmp ).ReleaseAccess( pP );
2338             ( (AlphaMask&) rAlpha ).ReleaseAccess( pA );
2339 
2340             delete[] pMapX;
2341             delete[] pMapY;
2342             mbMap = bOldMap;
2343             mpMetaFile = pOldMetaFile;
2344         }
2345     }
2346 }
2347 
2348 // ------------------------------------------------------------------------
2349 
2350 void OutputDevice::ImplPrintTransparent( const Bitmap& rBmp, const Bitmap& rMask,
2351                                          const Point& rDestPt, const Size& rDestSize,
2352                                          const Point& rSrcPtPixel, const Size& rSrcSizePixel )
2353 {
2354     Point       aPt;
2355     Point       aDestPt( LogicToPixel( rDestPt ) );
2356     Size        aDestSz( LogicToPixel( rDestSize ) );
2357     Rectangle   aSrcRect( rSrcPtPixel, rSrcSizePixel );
2358 
2359     aSrcRect.Justify();
2360 
2361     if( !rBmp.IsEmpty() && aSrcRect.GetWidth() && aSrcRect.GetHeight() && aDestSz.Width() && aDestSz.Height() )
2362     {
2363         Bitmap  aPaint( rBmp ), aMask( rMask );
2364         sal_uLong   nMirrFlags = 0UL;
2365 
2366         if( aMask.GetBitCount() > 1 )
2367             aMask.Convert( BMP_CONVERSION_1BIT_THRESHOLD );
2368 
2369         // mirrored horizontically
2370         if( aDestSz.Width() < 0L )
2371         {
2372             aDestSz.Width() = -aDestSz.Width();
2373             aDestPt.X() -= ( aDestSz.Width() - 1L );
2374             nMirrFlags |= BMP_MIRROR_HORZ;
2375         }
2376 
2377         // mirrored vertically
2378         if( aDestSz.Height() < 0L )
2379         {
2380             aDestSz.Height() = -aDestSz.Height();
2381             aDestPt.Y() -= ( aDestSz.Height() - 1L );
2382             nMirrFlags |= BMP_MIRROR_VERT;
2383         }
2384 
2385         // source cropped?
2386         if( aSrcRect != Rectangle( aPt, aPaint.GetSizePixel() ) )
2387         {
2388             aPaint.Crop( aSrcRect );
2389             aMask.Crop( aSrcRect );
2390         }
2391 
2392         // destination mirrored
2393         if( nMirrFlags )
2394         {
2395             aPaint.Mirror( nMirrFlags );
2396             aMask.Mirror( nMirrFlags );
2397         }
2398 
2399         // we always want to have a mask
2400         if( aMask.IsEmpty() )
2401         {
2402             aMask = Bitmap( aSrcRect.GetSize(), 1 );
2403             aMask.Erase( Color( COL_BLACK ) );
2404         }
2405 
2406         // do painting
2407         const long      nSrcWidth = aSrcRect.GetWidth(), nSrcHeight = aSrcRect.GetHeight();
2408         long            nX, nY; // , nWorkX, nWorkY, nWorkWidth, nWorkHeight;
2409         long*           pMapX = new long[ nSrcWidth + 1 ];
2410         long*           pMapY = new long[ nSrcHeight + 1 ];
2411         const sal_Bool      bOldMap = mbMap;
2412 
2413         mbMap = sal_False;
2414 
2415         // create forward mapping tables
2416         for( nX = 0L; nX <= nSrcWidth; nX++ )
2417             pMapX[ nX ] = aDestPt.X() + FRound( (double) aDestSz.Width() * nX / nSrcWidth );
2418 
2419         for( nY = 0L; nY <= nSrcHeight; nY++ )
2420             pMapY[ nY ] = aDestPt.Y() + FRound( (double) aDestSz.Height() * nY / nSrcHeight );
2421 
2422         // walk through all rectangles of mask
2423         const Region aWorkRgn(aMask.CreateRegion(COL_BLACK, Rectangle(Point(), aMask.GetSizePixel())));
2424         RectangleVector aRectangles;
2425         aWorkRgn.GetRegionRectangles(aRectangles);
2426 
2427         for(RectangleVector::const_iterator aRectIter(aRectangles.begin()); aRectIter != aRectangles.end(); aRectIter++)
2428         {
2429             const Point aMapPt(pMapX[aRectIter->Left()], pMapY[aRectIter->Top()]);
2430             const Size aMapSz(
2431                 pMapX[aRectIter->Right() + 1] - aMapPt.X(),      // pMapX[L + W] -> L + ((R - L) + 1) -> R + 1
2432                 pMapY[aRectIter->Bottom() + 1] - aMapPt.Y());    // same for Y
2433             Bitmap aBandBmp(aPaint);
2434 
2435             aBandBmp.Crop(*aRectIter);
2436             ImplDrawBitmap(aMapPt, aMapSz, Point(), aBandBmp.GetSizePixel(), aBandBmp, META_BMPSCALEPART_ACTION);
2437         }
2438 
2439         //Region          aWorkRgn( aMask.CreateRegion( COL_BLACK, Rectangle( Point(), aMask.GetSizePixel() ) ) );
2440         //ImplRegionInfo    aInfo;
2441         //sal_Bool            bRgnRect = aWorkRgn.ImplGetFirstRect( aInfo, nWorkX, nWorkY, nWorkWidth, nWorkHeight );
2442         //
2443         //while( bRgnRect )
2444         //{
2445         //  Bitmap          aBandBmp( aPaint );
2446         //    const Rectangle aBandRect( Point( nWorkX, nWorkY ), Size( nWorkWidth, nWorkHeight ) );
2447         //    const Point     aMapPt( pMapX[ nWorkX ], pMapY[ nWorkY ] );
2448         //    const Size      aMapSz( pMapX[ nWorkX + nWorkWidth ] - aMapPt.X(), pMapY[ nWorkY + nWorkHeight ] - aMapPt.Y() );
2449         //
2450         //  aBandBmp.Crop( aBandRect );
2451         //    ImplDrawBitmap( aMapPt, aMapSz, Point(), aBandBmp.GetSizePixel(), aBandBmp, META_BMPSCALEPART_ACTION );
2452         //    bRgnRect = aWorkRgn.ImplGetNextRect( aInfo, nWorkX, nWorkY, nWorkWidth, nWorkHeight );
2453         //}
2454 
2455         mbMap = bOldMap;
2456 
2457         delete[] pMapX;
2458         delete[] pMapY;
2459     }
2460 }
2461 
2462 // ------------------------------------------------------------------------
2463 
2464 void OutputDevice::ImplPrintMask( const Bitmap& rMask, const Color& rMaskColor,
2465                                   const Point& rDestPt, const Size& rDestSize,
2466                                   const Point& rSrcPtPixel, const Size& rSrcSizePixel )
2467 {
2468     Point       aPt;
2469     Point       aDestPt( LogicToPixel( rDestPt ) );
2470     Size        aDestSz( LogicToPixel( rDestSize ) );
2471     Rectangle   aSrcRect( rSrcPtPixel, rSrcSizePixel );
2472 
2473     aSrcRect.Justify();
2474 
2475     if( !rMask.IsEmpty() && aSrcRect.GetWidth() && aSrcRect.GetHeight() && aDestSz.Width() && aDestSz.Height() )
2476     {
2477         Bitmap  aMask( rMask );
2478         sal_uLong   nMirrFlags = 0UL;
2479 
2480         if( aMask.GetBitCount() > 1 )
2481             aMask.Convert( BMP_CONVERSION_1BIT_THRESHOLD );
2482 
2483         // mirrored horizontically
2484         if( aDestSz.Width() < 0L )
2485         {
2486             aDestSz.Width() = -aDestSz.Width();
2487             aDestPt.X() -= ( aDestSz.Width() - 1L );
2488             nMirrFlags |= BMP_MIRROR_HORZ;
2489         }
2490 
2491         // mirrored vertically
2492         if( aDestSz.Height() < 0L )
2493         {
2494             aDestSz.Height() = -aDestSz.Height();
2495             aDestPt.Y() -= ( aDestSz.Height() - 1L );
2496             nMirrFlags |= BMP_MIRROR_VERT;
2497         }
2498 
2499         // source cropped?
2500         if( aSrcRect != Rectangle( aPt, aMask.GetSizePixel() ) )
2501             aMask.Crop( aSrcRect );
2502 
2503         // destination mirrored
2504         if( nMirrFlags )
2505             aMask.Mirror( nMirrFlags );
2506 
2507         // do painting
2508         const long      nSrcWidth = aSrcRect.GetWidth(), nSrcHeight = aSrcRect.GetHeight();
2509         long            nX, nY; //, nWorkX, nWorkY, nWorkWidth, nWorkHeight;
2510         long*           pMapX = new long[ nSrcWidth + 1 ];
2511         long*           pMapY = new long[ nSrcHeight + 1 ];
2512         GDIMetaFile*    pOldMetaFile = mpMetaFile;
2513         const sal_Bool      bOldMap = mbMap;
2514 
2515         mpMetaFile = NULL;
2516         mbMap = sal_False;
2517         Push( PUSH_FILLCOLOR | PUSH_LINECOLOR );
2518         SetLineColor( rMaskColor );
2519         SetFillColor( rMaskColor );
2520         ImplInitLineColor();
2521         ImplInitFillColor();
2522 
2523         // create forward mapping tables
2524         for( nX = 0L; nX <= nSrcWidth; nX++ )
2525             pMapX[ nX ] = aDestPt.X() + FRound( (double) aDestSz.Width() * nX / nSrcWidth );
2526 
2527         for( nY = 0L; nY <= nSrcHeight; nY++ )
2528             pMapY[ nY ] = aDestPt.Y() + FRound( (double) aDestSz.Height() * nY / nSrcHeight );
2529 
2530         // walk through all rectangles of mask
2531         const Region aWorkRgn(aMask.CreateRegion(COL_BLACK, Rectangle(Point(), aMask.GetSizePixel())));
2532         RectangleVector aRectangles;
2533         aWorkRgn.GetRegionRectangles(aRectangles);
2534 
2535         for(RectangleVector::const_iterator aRectIter(aRectangles.begin()); aRectIter != aRectangles.end(); aRectIter++)
2536         {
2537             const Point aMapPt(pMapX[aRectIter->Left()], pMapY[aRectIter->Top()]);
2538             const Size aMapSz(
2539                 pMapX[aRectIter->Right() + 1] - aMapPt.X(),      // pMapX[L + W] -> L + ((R - L) + 1) -> R + 1
2540                 pMapY[aRectIter->Bottom() + 1] - aMapPt.Y());    // same for Y
2541 
2542             DrawRect(Rectangle(aMapPt, aMapSz));
2543         }
2544 
2545         //Region          aWorkRgn( aMask.CreateRegion( COL_BLACK, Rectangle( Point(), aMask.GetSizePixel() ) ) );
2546         //ImplRegionInfo    aInfo;
2547         //sal_Bool            bRgnRect = aWorkRgn.ImplGetFirstRect( aInfo, nWorkX, nWorkY, nWorkWidth, nWorkHeight );
2548         //
2549         //while( bRgnRect )
2550         //{
2551         //    const Point aMapPt( pMapX[ nWorkX ], pMapY[ nWorkY ] );
2552         //    const Size  aMapSz( pMapX[ nWorkX + nWorkWidth ] - aMapPt.X(), pMapY[ nWorkY + nWorkHeight ] - aMapPt.Y() );
2553         //
2554         //  DrawRect( Rectangle( aMapPt, aMapSz ) );
2555         //  bRgnRect = aWorkRgn.ImplGetNextRect( aInfo, nWorkX, nWorkY, nWorkWidth, nWorkHeight );
2556         //}
2557 
2558         Pop();
2559         delete[] pMapX;
2560         delete[] pMapY;
2561         mbMap = bOldMap;
2562         mpMetaFile = pOldMetaFile;
2563     }
2564 }
2565