xref: /AOO41X/main/vcl/source/gdi/outdev6.cxx (revision d3e0dd8eb215533c15e891ee35bd141abe9397ee)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26 
27 #include <tools/debug.hxx>
28 #include <vcl/outdev.hxx>
29 #include <vcl/virdev.hxx>
30 #include <vcl/bmpacc.hxx>
31 #include <vcl/metaact.hxx>
32 #include <vcl/gdimtf.hxx>
33 #include <vcl/svapp.hxx>
34 #include <vcl/wrkwin.hxx>
35 #include <vcl/graph.hxx>
36 
37 #include <wall2.hxx>
38 #include <salgdi.hxx>
39 #include <window.h>
40 #include <svdata.hxx>
41 #include <outdev.h>
42 
43 #include <com/sun/star/uno/Sequence.hxx>
44 
45 #include <basegfx/vector/b2dvector.hxx>
46 #include <basegfx/polygon/b2dpolypolygon.hxx>
47 #include <basegfx/polygon/b2dpolygon.hxx>
48 #include <basegfx/matrix/b2dhommatrix.hxx>
49 
50 #include <math.h>
51 
52 // ========================================================================
53 
DBG_NAMEEX(OutputDevice)54 DBG_NAMEEX( OutputDevice )
55 
56 // ------------------------------------------------------------------------
57 
58 void OutputDevice::DrawGrid( const Rectangle& rRect, const Size& rDist, sal_uLong nFlags )
59 {
60     DBG_TRACE( "OutputDevice::DrawGrid()" );
61     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
62 
63     Rectangle aDstRect( PixelToLogic( Point() ), GetOutputSize() );
64     aDstRect.Intersection( rRect );
65 
66     if( aDstRect.IsEmpty() || ImplIsRecordLayout() )
67         return;
68 
69     if( !mpGraphics && !ImplGetGraphics() )
70         return;
71 
72     if( mbInitClipRegion )
73         ImplInitClipRegion();
74 
75     if( mbOutputClipped )
76         return;
77 
78     const long  nDistX = Max( rDist.Width(), 1L );
79     const long  nDistY = Max( rDist.Height(), 1L );
80     long        nX = ( rRect.Left() >= aDstRect.Left() ) ? rRect.Left() : ( rRect.Left() + ( ( aDstRect.Left() - rRect.Left() ) / nDistX ) * nDistX );
81     long        nY = ( rRect.Top() >= aDstRect.Top() ) ? rRect.Top() : ( rRect.Top() + ( ( aDstRect.Top() - rRect.Top() ) / nDistY ) * nDistY );
82     const long  nRight = aDstRect.Right();
83     const long  nBottom = aDstRect.Bottom();
84     const long  nStartX = ImplLogicXToDevicePixel( nX );
85     const long  nEndX = ImplLogicXToDevicePixel( nRight );
86     const long  nStartY = ImplLogicYToDevicePixel( nY );
87     const long  nEndY = ImplLogicYToDevicePixel( nBottom );
88     long        nHorzCount = 0L;
89     long        nVertCount = 0L;
90 
91     ::com::sun::star::uno::Sequence< sal_Int32 > aVertBuf;
92     ::com::sun::star::uno::Sequence< sal_Int32 > aHorzBuf;
93 
94     if( ( nFlags & GRID_DOTS ) || ( nFlags & GRID_HORZLINES ) )
95     {
96         aVertBuf.realloc( aDstRect.GetHeight() / nDistY + 2L );
97         aVertBuf[ nVertCount++ ] = nStartY;
98         while( ( nY += nDistY ) <= nBottom )
99             aVertBuf[ nVertCount++ ] = ImplLogicYToDevicePixel( nY );
100     }
101 
102     if( ( nFlags & GRID_DOTS ) || ( nFlags & GRID_VERTLINES ) )
103     {
104         aHorzBuf.realloc( aDstRect.GetWidth() / nDistX + 2L );
105         aHorzBuf[ nHorzCount++ ] = nStartX;
106         while( ( nX += nDistX ) <= nRight )
107             aHorzBuf[ nHorzCount++ ] = ImplLogicXToDevicePixel( nX );
108     }
109 
110     if( mbInitLineColor )
111         ImplInitLineColor();
112 
113     if( mbInitFillColor )
114         ImplInitFillColor();
115 
116     const sal_Bool bOldMap = mbMap;
117     EnableMapMode( sal_False );
118 
119     if( nFlags & GRID_DOTS )
120     {
121         for( long i = 0L; i < nVertCount; i++ )
122             for( long j = 0L, Y = aVertBuf[ i ]; j < nHorzCount; j++ )
123                 mpGraphics->DrawPixel( aHorzBuf[ j ], Y, this );
124     }
125     else
126     {
127         if( nFlags & GRID_HORZLINES )
128         {
129             for( long i = 0L; i < nVertCount; i++ )
130             {
131                 nY = aVertBuf[ i ];
132                 mpGraphics->DrawLine( nStartX, nY, nEndX, nY, this );
133             }
134         }
135 
136         if( nFlags & GRID_VERTLINES )
137         {
138             for( long i = 0L; i < nHorzCount; i++ )
139             {
140                 nX = aHorzBuf[ i ];
141                 mpGraphics->DrawLine( nX, nStartY, nX, nEndY, this );
142             }
143         }
144     }
145 
146     EnableMapMode( bOldMap );
147 
148     if( mpAlphaVDev )
149         mpAlphaVDev->DrawGrid( rRect, rDist, nFlags );
150 }
151 
152 // ------------------------------------------------------------------------
153 // Caution: This method is nearly the same as
154 // void OutputDevice::DrawPolyPolygon( const basegfx::B2DPolyPolygon& rB2DPolyPoly )
155 // so when changes are made here do not forget to make change sthere, too
156 
DrawTransparent(const basegfx::B2DPolyPolygon & rB2DPolyPoly,double fTransparency)157 void OutputDevice::DrawTransparent( const basegfx::B2DPolyPolygon& rB2DPolyPoly, double fTransparency)
158 {
159     DBG_TRACE( "OutputDevice::DrawTransparent(B2D&,transparency)" );
160     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
161 
162     // AW: Do NOT paint empty PolyPolygons
163     if(!rB2DPolyPoly.count())
164         return;
165 
166     // we need a graphics
167     if( !mpGraphics )
168         if( !ImplGetGraphics() )
169             return;
170 
171     if( mbInitClipRegion )
172         ImplInitClipRegion();
173     if( mbOutputClipped )
174         return;
175 
176     if( mbInitLineColor )
177         ImplInitLineColor();
178     if( mbInitFillColor )
179         ImplInitFillColor();
180 
181     if((mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW)
182         && mpGraphics->supportsOperation(OutDevSupport_B2DDraw)
183         && ROP_OVERPAINT == GetRasterOp() )
184     {
185         // b2dpolygon support not implemented yet on non-UNX platforms
186         const ::basegfx::B2DHomMatrix aTransform = ImplGetDeviceTransformation();
187         basegfx::B2DPolyPolygon aB2DPolyPolygon(rB2DPolyPoly);
188 
189         // transform the polygon into device space and ensure it is closed
190         aB2DPolyPolygon.transform( aTransform );
191         aB2DPolyPolygon.setClosed( true );
192 
193         bool bDrawnOk = true;
194         if( IsFillColor() )
195             bDrawnOk = mpGraphics->DrawPolyPolygon( aB2DPolyPolygon, fTransparency, this );
196         if( bDrawnOk && IsLineColor() )
197         {
198             const basegfx::B2DVector aHairlineWidth(1,1);
199             const int nPolyCount = aB2DPolyPolygon.count();
200             for( int nPolyIdx = 0; nPolyIdx < nPolyCount; ++nPolyIdx )
201             {
202                 const ::basegfx::B2DPolygon aOnePoly = aB2DPolyPolygon.getB2DPolygon( nPolyIdx );
203                 mpGraphics->DrawPolyLine( aOnePoly, fTransparency, aHairlineWidth, ::basegfx::B2DLINEJOIN_NONE, com::sun::star::drawing::LineCap_BUTT, this );
204             }
205         }
206 
207         if( bDrawnOk )
208         {
209 #if 0
210             // MetaB2DPolyPolygonAction is not implemented yet:
211             // according to AW adding it is very dangerous since there is a lot
212             // of code that uses the metafile actions directly and unless every
213             // place that does this knows about the new action we need to fallback
214             if( mpMetaFile )
215                 mpMetaFile->AddAction( new MetaB2DPolyPolygonAction( rB2DPolyPoly ) );
216 #else
217             if( mpMetaFile )
218                 mpMetaFile->AddAction( new MetaTransparentAction( PolyPolygon( rB2DPolyPoly ), static_cast< sal_uInt16 >(fTransparency * 100.0)));
219 #endif
220             return;
221         }
222     }
223 
224     // fallback to old polygon drawing if needed
225     const PolyPolygon aToolsPolyPolygon( rB2DPolyPoly );
226     DrawTransparent(PolyPolygon(rB2DPolyPoly), static_cast< sal_uInt16 >(fTransparency * 100.0));
227 }
228 
229 // ------------------------------------------------------------------------
230 
DrawTransparent(const PolyPolygon & rPolyPoly,sal_uInt16 nTransparencePercent)231 void OutputDevice::DrawTransparent( const PolyPolygon& rPolyPoly,
232                                     sal_uInt16 nTransparencePercent )
233 {
234     DBG_TRACE( "OutputDevice::DrawTransparent()" );
235     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
236 
237     // short circuit for drawing an opaque polygon
238     if( (nTransparencePercent < 1) || ((mnDrawMode & DRAWMODE_NOTRANSPARENCY) != 0) )
239     {
240         DrawPolyPolygon( rPolyPoly );
241         return;
242     }
243 
244     // short circut for drawing an invisible polygon
245     if( !mbFillColor || (nTransparencePercent >= 100) )
246     {
247         // short circuit if the polygon border is invisible too
248         if( !mbLineColor )
249             return;
250 
251         // DrawTransparent() assumes that the border is NOT to be drawn transparently???
252         Push( PUSH_FILLCOLOR );
253         SetFillColor();
254         DrawPolyPolygon( rPolyPoly );
255         Pop();
256         return;
257     }
258 
259     // handle metafile recording
260     if( mpMetaFile )
261         mpMetaFile->AddAction( new MetaTransparentAction( rPolyPoly, nTransparencePercent ) );
262 
263     bool bDrawn = !IsDeviceOutputNecessary() || ImplIsRecordLayout();
264     if( bDrawn )
265         return;
266 
267     // get the device graphics as drawing target
268     if( !mpGraphics )
269         if( !ImplGetGraphics() )
270             return;
271 
272     // debug helper:
273     static const char* pDisableNative = getenv( "SAL_DISABLE_NATIVE_ALPHA");
274 
275     // try hard to draw it directly, because the emulation layers are slower
276     if( !pDisableNative
277         && mpGraphics->supportsOperation( OutDevSupport_B2DDraw )
278 #if defined UNX && ! defined QUARTZ
279             && GetBitCount() > 8
280 #endif
281 #ifdef WIN32
282         // workaround bad dithering on remote displaying when using GDI+ with toolbar buttoin hilighting
283         && !rPolyPoly.IsRect()
284 #endif
285         )
286     {
287         // prepare the graphics device
288         if( mbInitClipRegion )
289             ImplInitClipRegion();
290         if( mbOutputClipped )
291             return;
292         if( mbInitLineColor )
293             ImplInitLineColor();
294         if( mbInitFillColor )
295             ImplInitFillColor();
296 
297         // get the polygon in device coordinates
298         basegfx::B2DPolyPolygon aB2DPolyPolygon( rPolyPoly.getB2DPolyPolygon() );
299         const ::basegfx::B2DHomMatrix aTransform = ImplGetDeviceTransformation();
300         aB2DPolyPolygon.transform( aTransform );
301 
302         const double fTransparency = 0.01 * nTransparencePercent;
303         if( mbFillColor )
304         {
305             // #121591#
306             // CAUTION: Only non printing (pixel-renderer) VCL commands from OutputDevices
307             // should be used when printing. Normally this is avoided by the printer being
308             // non-AAed and thus e.g. on WIN GdiPlus calls are not used. It may be necessary
309             // to add (OUTDEV_PRINTER != meOutDevType) to the entering if statement, thus
310             // using the fallbacl some lines below (which is not very good, though). For
311             // now, WinSalGraphics::drawPolyPolygon will detect printer usage and correct
312             // the wrong mapping (see there for details)
313             bDrawn = mpGraphics->DrawPolyPolygon( aB2DPolyPolygon, fTransparency, this );
314         }
315 
316         if( mbLineColor )
317         {
318             // disable the fill color for now
319             mpGraphics->SetFillColor();
320             // draw the border line
321             const basegfx::B2DVector aLineWidths( 1, 1 );
322             const int nPolyCount = aB2DPolyPolygon.count();
323             for( int nPolyIdx = 0; nPolyIdx < nPolyCount; ++nPolyIdx )
324             {
325                 const ::basegfx::B2DPolygon& rPolygon = aB2DPolyPolygon.getB2DPolygon( nPolyIdx );
326                 bDrawn = mpGraphics->DrawPolyLine( rPolygon, fTransparency, aLineWidths, ::basegfx::B2DLINEJOIN_NONE, com::sun::star::drawing::LineCap_BUTT, this );
327             }
328             // prepare to restore the fill color
329             mbInitFillColor = mbFillColor;
330         }
331     }
332 
333     if( bDrawn )
334         return;
335 
336     if( 1 )
337     {
338         VirtualDevice* pOldAlphaVDev = mpAlphaVDev;
339 
340         // #110958# Disable alpha VDev, we perform the necessary
341         // operation explicitely further below.
342         if( mpAlphaVDev )
343             mpAlphaVDev = NULL;
344 
345         GDIMetaFile* pOldMetaFile = mpMetaFile;
346         mpMetaFile = NULL;
347 
348         if( OUTDEV_PRINTER == meOutDevType )
349         {
350             if(100 <= nTransparencePercent)
351             {
352                 // #i112959# 100% transparent, draw nothing
353                 return;
354             }
355 
356             Rectangle       aPolyRect( LogicToPixel( rPolyPoly ).GetBoundRect() );
357             const Size      aDPISize( LogicToPixel( Size( 1, 1 ), MAP_INCH ) );
358             const long      nBaseExtent = Max( FRound( aDPISize.Width() / 300. ), 1L );
359             long            nMove;
360             const sal_uInt16    nTrans = ( nTransparencePercent < 13 ) ? 0 :
361                                      ( nTransparencePercent < 38 ) ? 25 :
362                                      ( nTransparencePercent < 63 ) ? 50 :
363                                      ( nTransparencePercent < 88 ) ? 75 : 100;
364 
365             switch( nTrans )
366             {
367                 case( 25 ): nMove = nBaseExtent * 3; break;
368                 case( 50 ): nMove = nBaseExtent * 4; break;
369                 case( 75 ): nMove = nBaseExtent * 6; break;
370 
371                 // #i112959#  very transparent (88 < nTransparencePercent <= 99)
372                 case( 100 ): nMove = nBaseExtent * 8; break;
373 
374                 // #i112959# not transparent (nTransparencePercent < 13)
375                 default:    nMove = 0; break;
376             }
377 
378             Push( PUSH_CLIPREGION | PUSH_LINECOLOR );
379             IntersectClipRegion( rPolyPoly );
380             SetLineColor( GetFillColor() );
381             const sal_Bool bOldMap = mbMap;
382             EnableMapMode( sal_False );
383 
384             if(nMove)
385             {
386                 Rectangle aRect( aPolyRect.TopLeft(), Size( aPolyRect.GetWidth(), nBaseExtent ) );
387                 while( aRect.Top() <= aPolyRect.Bottom() )
388                 {
389                     DrawRect( aRect );
390                     aRect.Move( 0, nMove );
391                 }
392 
393                 aRect = Rectangle( aPolyRect.TopLeft(), Size( nBaseExtent, aPolyRect.GetHeight() ) );
394                 while( aRect.Left() <= aPolyRect.Right() )
395                 {
396                     DrawRect( aRect );
397                     aRect.Move( nMove, 0 );
398                 }
399             }
400             else
401             {
402                 // #i112959# if not transparent, draw full rectangle in clip region
403                 DrawRect( aPolyRect );
404             }
405 
406             EnableMapMode( bOldMap );
407             Pop();
408         }
409         else
410         {
411             PolyPolygon     aPolyPoly( LogicToPixel( rPolyPoly ) );
412             Rectangle       aPolyRect( aPolyPoly.GetBoundRect() );
413             Point           aPoint;
414             Rectangle       aDstRect( aPoint, GetOutputSizePixel() );
415 
416             aDstRect.Intersection( aPolyRect );
417 
418             if( OUTDEV_WINDOW == meOutDevType )
419             {
420                 const Region aPaintRgn( ( (Window*) this )->GetPaintRegion() );
421 
422                 if( !aPaintRgn.IsNull() )
423                     aDstRect.Intersection( LogicToPixel( aPaintRgn ).GetBoundRect() );
424             }
425 
426             if( !aDstRect.IsEmpty() )
427             {
428                 // #i66849# Added fast path for exactly rectangular
429                 // polygons
430                 // #i83087# Naturally, system alpha blending cannot
431                 // work with separate alpha VDev
432                 if( !mpAlphaVDev && !pDisableNative && aPolyPoly.IsRect() )
433                 {
434                     // setup Graphics only here (other cases delegate
435                     // to basic OutDev methods)
436                     if( 1 )
437                     {
438                         if ( mbInitClipRegion )
439                             ImplInitClipRegion();
440                         if ( mbInitLineColor )
441                             ImplInitLineColor();
442                         if ( mbInitFillColor )
443                             ImplInitFillColor();
444 
445                         Rectangle aLogicPolyRect( rPolyPoly.GetBoundRect() );
446                         Rectangle aPixelRect( ImplLogicToDevicePixel( aLogicPolyRect ) );
447 
448                         if( !mbOutputClipped )
449                         {
450                             bDrawn = mpGraphics->DrawAlphaRect(
451                                aPixelRect.Left(), aPixelRect.Top(),
452                                // #i98405# use methods with small g, else one pixel too much will be painted.
453                                // This is because the source is a polygon which when painted would not paint
454                                // the rightmost and lowest pixel line(s), so use one pixel less for the
455                                // rectangle, too.
456                                aPixelRect.getWidth(), aPixelRect.getHeight(),
457                                sal::static_int_cast<sal_uInt8>(nTransparencePercent),
458                                this );
459                         }
460                         else
461                             bDrawn = true;
462                     }
463                 }
464 
465                 if( !bDrawn )
466                 {
467                     VirtualDevice   aVDev( *this, 1 );
468                     const Size      aDstSz( aDstRect.GetSize() );
469                     const sal_uInt8     cTrans = (sal_uInt8) MinMax( FRound( nTransparencePercent * 2.55 ), 0, 255 );
470 
471                     if( aDstRect.Left() || aDstRect.Top() )
472                         aPolyPoly.Move( -aDstRect.Left(), -aDstRect.Top() );
473 
474                     if( aVDev.SetOutputSizePixel( aDstSz ) )
475                     {
476                         const sal_Bool bOldMap = mbMap;
477 
478                         EnableMapMode( sal_False );
479 
480                         aVDev.SetLineColor( COL_BLACK );
481                         aVDev.SetFillColor( COL_BLACK );
482                         aVDev.DrawPolyPolygon( aPolyPoly );
483 
484                         Bitmap              aPaint( GetBitmap( aDstRect.TopLeft(), aDstSz ) );
485                         Bitmap              aPolyMask( aVDev.GetBitmap( Point(), aDstSz ) );
486 
487                         // #107766# check for non-empty bitmaps before accessing them
488                         if( !!aPaint && !!aPolyMask )
489                         {
490                             BitmapWriteAccess*  pW = aPaint.AcquireWriteAccess();
491                             BitmapReadAccess*   pR = aPolyMask.AcquireReadAccess();
492 
493                             if( pW && pR )
494                             {
495                                 BitmapColor         aPixCol;
496                                 const BitmapColor   aFillCol( GetFillColor() );
497                                 const BitmapColor   aWhite( pR->GetBestMatchingColor( Color( COL_WHITE ) ) );
498                                 const BitmapColor   aBlack( pR->GetBestMatchingColor( Color( COL_BLACK ) ) );
499                                 const long          nWidth = pW->Width(), nHeight = pW->Height();
500                                 const long          nR = aFillCol.GetRed(), nG = aFillCol.GetGreen(), nB = aFillCol.GetBlue();
501                                 long                nX, nY;
502 
503                                 if( aPaint.GetBitCount() <= 8 )
504                                 {
505                                     const BitmapPalette&    rPal = pW->GetPalette();
506                                     const sal_uInt16            nCount = rPal.GetEntryCount();
507                                     BitmapColor*            pMap = (BitmapColor*) new sal_uInt8[ nCount * sizeof( BitmapColor ) ];
508 
509                                     for( sal_uInt16 i = 0; i < nCount; i++ )
510                                     {
511                                         BitmapColor aCol( rPal[ i ] );
512                                         pMap[ i ] = BitmapColor( (sal_uInt8) rPal.GetBestIndex( aCol.Merge( aFillCol, cTrans ) ) );
513                                     }
514 
515                                     if( pR->GetScanlineFormat() == BMP_FORMAT_1BIT_MSB_PAL &&
516                                         pW->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL )
517                                     {
518                                         const sal_uInt8 cBlack = aBlack.GetIndex();
519 
520                                         for( nY = 0; nY < nHeight; nY++ )
521                                         {
522                                             Scanline    pWScan = pW->GetScanline( nY );
523                                             Scanline    pRScan = pR->GetScanline( nY );
524                                             sal_uInt8       cBit = 128;
525 
526                                             for( nX = 0; nX < nWidth; nX++, cBit >>= 1, pWScan++ )
527                                             {
528                                                 if( !cBit )
529                                                     cBit = 128, pRScan++;
530 
531                                                 if( ( *pRScan & cBit ) == cBlack )
532                                                     *pWScan = (sal_uInt8) pMap[ *pWScan ].GetIndex();
533                                             }
534                                         }
535                                     }
536                                     else
537                                     {
538                                         for( nY = 0; nY < nHeight; nY++ )
539                                             for( nX = 0; nX < nWidth; nX++ )
540                                                 if( pR->GetPixel( nY, nX ) == aBlack )
541                                                     pW->SetPixel( nY, nX, pMap[ pW->GetPixel( nY, nX ).GetIndex() ] );
542                                     }
543 
544                                     delete[] (sal_uInt8*) pMap;
545                                 }
546                                 else
547                                 {
548                                     if( pR->GetScanlineFormat() == BMP_FORMAT_1BIT_MSB_PAL &&
549                                         pW->GetScanlineFormat() == BMP_FORMAT_24BIT_TC_BGR )
550                                     {
551                                         const sal_uInt8 cBlack = aBlack.GetIndex();
552 
553                                         for( nY = 0; nY < nHeight; nY++ )
554                                         {
555                                             Scanline    pWScan = pW->GetScanline( nY );
556                                             Scanline    pRScan = pR->GetScanline( nY );
557                                             sal_uInt8       cBit = 128;
558 
559                                             for( nX = 0; nX < nWidth; nX++, cBit >>= 1, pWScan += 3 )
560                                             {
561                                                 if( !cBit )
562                                                     cBit = 128, pRScan++;
563 
564                                                 if( ( *pRScan & cBit ) == cBlack )
565                                                 {
566                                                     pWScan[ 0 ] = COLOR_CHANNEL_MERGE( pWScan[ 0 ], nB, cTrans );
567                                                     pWScan[ 1 ] = COLOR_CHANNEL_MERGE( pWScan[ 1 ], nG, cTrans );
568                                                     pWScan[ 2 ] = COLOR_CHANNEL_MERGE( pWScan[ 2 ], nR, cTrans );
569                                                 }
570                                             }
571                                         }
572                                     }
573                                     else
574                                     {
575                                         for( nY = 0; nY < nHeight; nY++ )
576                                         {
577                                             for( nX = 0; nX < nWidth; nX++ )
578                                             {
579                                                 if( pR->GetPixel( nY, nX ) == aBlack )
580                                                 {
581                                                     aPixCol = pW->GetColor( nY, nX );
582                                                     pW->SetPixel( nY, nX, aPixCol.Merge( aFillCol, cTrans ) );
583                                                 }
584                                             }
585                                         }
586                                     }
587                                 }
588                             }
589 
590                             aPolyMask.ReleaseAccess( pR );
591                             aPaint.ReleaseAccess( pW );
592 
593                             DrawBitmap( aDstRect.TopLeft(), aPaint );
594 
595                             EnableMapMode( bOldMap );
596 
597                             if( mbLineColor )
598                             {
599                                 Push( PUSH_FILLCOLOR );
600                                 SetFillColor();
601                                 DrawPolyPolygon( rPolyPoly );
602                                 Pop();
603                             }
604                         }
605                     }
606                     else
607                         DrawPolyPolygon( rPolyPoly );
608                 }
609             }
610         }
611 
612         mpMetaFile = pOldMetaFile;
613 
614         // #110958# Restore disabled alpha VDev
615         mpAlphaVDev = pOldAlphaVDev;
616 
617         // #110958# Apply alpha value also to VDev alpha channel
618         if( mpAlphaVDev )
619         {
620             const Color aFillCol( mpAlphaVDev->GetFillColor() );
621             mpAlphaVDev->SetFillColor( Color(sal::static_int_cast<sal_uInt8>(255*nTransparencePercent/100),
622                                              sal::static_int_cast<sal_uInt8>(255*nTransparencePercent/100),
623                                              sal::static_int_cast<sal_uInt8>(255*nTransparencePercent/100)) );
624 
625             mpAlphaVDev->DrawTransparent( rPolyPoly, nTransparencePercent );
626 
627             mpAlphaVDev->SetFillColor( aFillCol );
628         }
629     }
630 }
631 
632 // -----------------------------------------------------------------------
633 
DrawTransparent(const GDIMetaFile & rMtf,const Point & rPos,const Size & rSize,const Gradient & rTransparenceGradient)634 void OutputDevice::DrawTransparent( const GDIMetaFile& rMtf, const Point& rPos,
635                                     const Size& rSize, const Gradient& rTransparenceGradient )
636 {
637     DBG_TRACE( "OutputDevice::DrawTransparent()" );
638     DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
639 
640     const Color aBlack( COL_BLACK );
641 
642     if( mpMetaFile )
643     {
644          // missing here is to map the data using the DeviceTransformation
645         mpMetaFile->AddAction( new MetaFloatTransparentAction( rMtf, rPos, rSize, rTransparenceGradient ) );
646     }
647 
648     if( ( rTransparenceGradient.GetStartColor() == aBlack && rTransparenceGradient.GetEndColor() == aBlack ) ||
649         ( mnDrawMode & ( DRAWMODE_NOTRANSPARENCY ) ) )
650     {
651         ( (GDIMetaFile&) rMtf ).WindStart();
652         ( (GDIMetaFile&) rMtf ).Play( this, rPos, rSize );
653         ( (GDIMetaFile&) rMtf ).WindStart();
654     }
655     else
656     {
657         GDIMetaFile*    pOldMetaFile = mpMetaFile;
658         Rectangle       aOutRect( LogicToPixel( rPos ), LogicToPixel( rSize ) );
659         Point           aPoint;
660         Rectangle       aDstRect( aPoint, GetOutputSizePixel() );
661 
662         mpMetaFile = NULL;
663         aDstRect.Intersection( aOutRect );
664 
665         if( OUTDEV_WINDOW == meOutDevType )
666         {
667             const Region aPaintRgn( ( (Window*) this )->GetPaintRegion() );
668 
669             if( !aPaintRgn.IsNull() )
670                 aDstRect.Intersection( LogicToPixel( aPaintRgn.GetBoundRect() ) );
671         }
672 
673         if( !aDstRect.IsEmpty() )
674         {
675             VirtualDevice* pVDev = new VirtualDevice;
676 
677             ((OutputDevice*)pVDev)->mnDPIX = mnDPIX;
678             ((OutputDevice*)pVDev)->mnDPIY = mnDPIY;
679 
680             if( pVDev->SetOutputSizePixel( aDstRect.GetSize() ) )
681             {
682                 if(GetAntialiasing())
683                 {
684                     // #i102109#
685                     // For MetaFile replay (see task) it may now be neccessary to take
686                     // into account that the content is AntiAlialised and needs to be masked
687                     // like that. Instead of masking, i will use a copy-modify-paste cycle
688                     // here (as i already use in the VclPrimiziveRenderer with successs)
689                     pVDev->SetAntialiasing(GetAntialiasing());
690 
691                     // create MapMode for buffer (offset needed) and set
692                     MapMode aMap(GetMapMode());
693                     const Point aOutPos(PixelToLogic(aDstRect.TopLeft()));
694                     aMap.SetOrigin(Point(-aOutPos.X(), -aOutPos.Y()));
695                     pVDev->SetMapMode(aMap);
696 
697                     // copy MapMode state and disable for target
698                     const bool bOrigMapModeEnabled(IsMapModeEnabled());
699                     EnableMapMode(false);
700 
701                     // copy MapMode state and disable for buffer
702                     const bool bBufferMapModeEnabled(pVDev->IsMapModeEnabled());
703                     pVDev->EnableMapMode(false);
704 
705                     // copy content from original to buffer
706                     pVDev->DrawOutDev(
707                         aPoint, pVDev->GetOutputSizePixel(), // dest
708                         aDstRect.TopLeft(), pVDev->GetOutputSizePixel(), // source
709                         *this);
710 
711                     // draw MetaFile to buffer
712                     pVDev->EnableMapMode(bBufferMapModeEnabled);
713                     ((GDIMetaFile&)rMtf).WindStart();
714                     ((GDIMetaFile&)rMtf).Play(pVDev, rPos, rSize);
715                     ((GDIMetaFile&)rMtf).WindStart();
716 
717                     // get content bitmap from buffer
718                     pVDev->EnableMapMode(false);
719                     const Bitmap aPaint(pVDev->GetBitmap(aPoint, pVDev->GetOutputSizePixel()));
720 
721                     // create alpha mask from gradient and get as Bitmap
722                     pVDev->EnableMapMode(bBufferMapModeEnabled);
723                     pVDev->SetDrawMode(DRAWMODE_GRAYGRADIENT);
724                     pVDev->DrawGradient(Rectangle(rPos, rSize), rTransparenceGradient);
725                     pVDev->SetDrawMode(DRAWMODE_DEFAULT);
726                     pVDev->EnableMapMode(false);
727                     const AlphaMask aAlpha(pVDev->GetBitmap(aPoint, pVDev->GetOutputSizePixel()));
728 
729                     // draw masked content to target and restore MapMode
730                     DrawBitmapEx(aDstRect.TopLeft(), BitmapEx(aPaint, aAlpha));
731                     EnableMapMode(bOrigMapModeEnabled);
732                 }
733                 else
734                 {
735                     Bitmap      aPaint, aMask;
736                     AlphaMask   aAlpha;
737                     MapMode     aMap( GetMapMode() );
738                     Point       aOutPos( PixelToLogic( aDstRect.TopLeft() ) );
739                     const sal_Bool  bOldMap = mbMap;
740 
741                     aMap.SetOrigin( Point( -aOutPos.X(), -aOutPos.Y() ) );
742                     pVDev->SetMapMode( aMap );
743                     const sal_Bool  bVDevOldMap = pVDev->IsMapModeEnabled();
744 
745                     // create paint bitmap
746                     ( (GDIMetaFile&) rMtf ).WindStart();
747                     ( (GDIMetaFile&) rMtf ).Play( pVDev, rPos, rSize );
748                     ( (GDIMetaFile&) rMtf ).WindStart();
749                     pVDev->EnableMapMode( sal_False );
750                     aPaint = pVDev->GetBitmap( Point(), pVDev->GetOutputSizePixel() );
751                     pVDev->EnableMapMode( bVDevOldMap ); // #i35331#: MUST NOT use EnableMapMode( sal_True ) here!
752 
753                     // create mask bitmap
754                     pVDev->SetLineColor( COL_BLACK );
755                     pVDev->SetFillColor( COL_BLACK );
756                     pVDev->DrawRect( Rectangle( pVDev->PixelToLogic( Point() ), pVDev->GetOutputSize() ) );
757                     pVDev->SetDrawMode( DRAWMODE_WHITELINE | DRAWMODE_WHITEFILL | DRAWMODE_WHITETEXT |
758                                         DRAWMODE_WHITEBITMAP | DRAWMODE_WHITEGRADIENT );
759                     ( (GDIMetaFile&) rMtf ).WindStart();
760                     ( (GDIMetaFile&) rMtf ).Play( pVDev, rPos, rSize );
761                     ( (GDIMetaFile&) rMtf ).WindStart();
762                     pVDev->EnableMapMode( sal_False );
763                     aMask = pVDev->GetBitmap( Point(), pVDev->GetOutputSizePixel() );
764                     pVDev->EnableMapMode( bVDevOldMap ); // #i35331#: MUST NOT use EnableMapMode( sal_True ) here!
765 
766                     // create alpha mask from gradient
767                     pVDev->SetDrawMode( DRAWMODE_GRAYGRADIENT );
768                     pVDev->DrawGradient( Rectangle( rPos, rSize ), rTransparenceGradient );
769                     pVDev->SetDrawMode( DRAWMODE_DEFAULT );
770                     pVDev->EnableMapMode( sal_False );
771                     pVDev->DrawMask( Point(), pVDev->GetOutputSizePixel(), aMask, Color( COL_WHITE ) );
772 
773                     aAlpha = pVDev->GetBitmap( Point(), pVDev->GetOutputSizePixel() );
774 
775                     delete pVDev;
776 
777                     EnableMapMode( sal_False );
778                     DrawBitmapEx( aDstRect.TopLeft(), BitmapEx( aPaint, aAlpha ) );
779                     EnableMapMode( bOldMap );
780                 }
781             }
782             else
783                 delete pVDev;
784         }
785 
786         mpMetaFile = pOldMetaFile;
787     }
788 }
789 
790 // -----------------------------------------------------------------------
791 
ImplDrawColorWallpaper(long nX,long nY,long nWidth,long nHeight,const Wallpaper & rWallpaper)792 void OutputDevice::ImplDrawColorWallpaper( long nX, long nY,
793                                            long nWidth, long nHeight,
794                                            const Wallpaper& rWallpaper )
795 {
796     // Wallpaper ohne Umrandung zeichnen
797     Color aOldLineColor = GetLineColor();
798     Color aOldFillColor = GetFillColor();
799     SetLineColor();
800     SetFillColor( rWallpaper.GetColor() );
801     sal_Bool bMap = mbMap;
802     EnableMapMode( sal_False );
803     DrawRect( Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) ) );
804     SetLineColor( aOldLineColor );
805     SetFillColor( aOldFillColor );
806     EnableMapMode( bMap );
807 }
808 
809 // -----------------------------------------------------------------------
810 
ImplDrawBitmapWallpaper(long nX,long nY,long nWidth,long nHeight,const Wallpaper & rWallpaper)811 void OutputDevice::ImplDrawBitmapWallpaper( long nX, long nY,
812                                             long nWidth, long nHeight,
813                                             const Wallpaper& rWallpaper )
814 {
815     BitmapEx                aBmpEx;
816     const BitmapEx*         pCached = rWallpaper.ImplGetImpWallpaper()->ImplGetCachedBitmap();
817     Point                   aPos;
818     Size                    aSize;
819     GDIMetaFile*            pOldMetaFile = mpMetaFile;
820     const WallpaperStyle    eStyle = rWallpaper.GetStyle();
821     const sal_Bool              bOldMap = mbMap;
822     sal_Bool                    bDrawn = sal_False;
823     sal_Bool                    bDrawGradientBackground = sal_False;
824     sal_Bool                    bDrawColorBackground = sal_False;
825 
826     if( pCached )
827         aBmpEx = *pCached;
828     else
829         aBmpEx = rWallpaper.GetBitmap();
830 
831     const long nBmpWidth = aBmpEx.GetSizePixel().Width();
832     const long nBmpHeight = aBmpEx.GetSizePixel().Height();
833     const sal_Bool bTransparent = aBmpEx.IsTransparent();
834 
835     // draw background
836     if( bTransparent )
837     {
838         if( rWallpaper.IsGradient() )
839             bDrawGradientBackground = sal_True;
840         else
841         {
842             if( !pCached && !rWallpaper.GetColor().GetTransparency() )
843             {
844                 VirtualDevice aVDev( *this );
845                 aVDev.SetBackground( rWallpaper.GetColor() );
846                 aVDev.SetOutputSizePixel( Size( nBmpWidth, nBmpHeight ) );
847                 aVDev.DrawBitmapEx( Point(), aBmpEx );
848                 aBmpEx = aVDev.GetBitmap( Point(), aVDev.GetOutputSizePixel() );
849             }
850 
851             bDrawColorBackground = sal_True;
852         }
853     }
854     else if( eStyle != WALLPAPER_TILE && eStyle != WALLPAPER_SCALE )
855     {
856         if( rWallpaper.IsGradient() )
857             bDrawGradientBackground = sal_True;
858         else
859             bDrawColorBackground = sal_True;
860     }
861 
862     // background of bitmap?
863     if( bDrawGradientBackground )
864         ImplDrawGradientWallpaper( nX, nY, nWidth, nHeight, rWallpaper );
865     else if( bDrawColorBackground && bTransparent )
866     {
867         ImplDrawColorWallpaper( nX, nY, nWidth, nHeight, rWallpaper );
868         bDrawColorBackground = sal_False;
869     }
870 
871     // calc pos and size
872     if( rWallpaper.IsRect() )
873     {
874         const Rectangle aBound( LogicToPixel( rWallpaper.GetRect() ) );
875         aPos = aBound.TopLeft();
876         aSize = aBound.GetSize();
877     }
878     else
879     {
880         aPos = Point( nX, nY );
881         aSize = Size( nWidth, nHeight );
882     }
883 
884     mpMetaFile = NULL;
885     EnableMapMode( sal_False );
886     Push( PUSH_CLIPREGION );
887     IntersectClipRegion( Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) ) );
888 
889     switch( eStyle )
890     {
891         case( WALLPAPER_SCALE ):
892         {
893             if( !pCached || ( pCached->GetSizePixel() != aSize ) )
894             {
895                 if( pCached )
896                     rWallpaper.ImplGetImpWallpaper()->ImplReleaseCachedBitmap();
897 
898                 aBmpEx = rWallpaper.GetBitmap();
899                 aBmpEx.Scale( aSize );
900                 aBmpEx = BitmapEx( aBmpEx.GetBitmap().CreateDisplayBitmap( this ), aBmpEx.GetMask() );
901             }
902         }
903         break;
904 
905         case( WALLPAPER_TOPLEFT ):
906         break;
907 
908         case( WALLPAPER_TOP ):
909             aPos.X() += ( aSize.Width() - nBmpWidth ) >> 1;
910         break;
911 
912         case( WALLPAPER_TOPRIGHT ):
913             aPos.X() += ( aSize.Width() - nBmpWidth );
914         break;
915 
916         case( WALLPAPER_LEFT ):
917             aPos.Y() += ( aSize.Height() - nBmpHeight ) >> 1;
918         break;
919 
920         case( WALLPAPER_CENTER ):
921         {
922             aPos.X() += ( aSize.Width() - nBmpWidth ) >> 1;
923             aPos.Y() += ( aSize.Height() - nBmpHeight ) >> 1;
924         }
925         break;
926 
927         case( WALLPAPER_RIGHT ):
928         {
929             aPos.X() += ( aSize.Width() - nBmpWidth );
930             aPos.Y() += ( aSize.Height() - nBmpHeight ) >> 1;
931         }
932         break;
933 
934         case( WALLPAPER_BOTTOMLEFT ):
935             aPos.Y() += ( aSize.Height() - nBmpHeight );
936         break;
937 
938         case( WALLPAPER_BOTTOM ):
939         {
940             aPos.X() += ( aSize.Width() - nBmpWidth ) >> 1;
941             aPos.Y() += ( aSize.Height() - nBmpHeight );
942         }
943         break;
944 
945         case( WALLPAPER_BOTTOMRIGHT ):
946         {
947             aPos.X() += ( aSize.Width() - nBmpWidth );
948             aPos.Y() += ( aSize.Height() - nBmpHeight );
949         }
950         break;
951 
952         default:
953         {
954             const long  nRight = nX + nWidth - 1L;
955             const long  nBottom = nY + nHeight - 1L;
956             long        nFirstX;
957             long        nFirstY;
958 
959             if( eStyle == WALLPAPER_TILE )
960             {
961                 nFirstX = aPos.X();
962                 nFirstY = aPos.Y();
963             }
964             else
965             {
966                 nFirstX = aPos.X() + ( ( aSize.Width() - nBmpWidth ) >> 1 );
967                 nFirstY = aPos.Y() + ( ( aSize.Height() - nBmpHeight ) >> 1 );
968             }
969 
970             const long  nOffX = ( nFirstX - nX ) % nBmpWidth;
971             const long  nOffY = ( nFirstY - nY ) % nBmpHeight;
972             long        nStartX = nX + nOffX;
973             long        nStartY = nY + nOffY;
974 
975             if( nOffX > 0L )
976                 nStartX -= nBmpWidth;
977 
978             if( nOffY > 0L )
979                 nStartY -= nBmpHeight;
980 
981             for( long nBmpY = nStartY; nBmpY <= nBottom; nBmpY += nBmpHeight )
982                 for( long nBmpX = nStartX; nBmpX <= nRight; nBmpX += nBmpWidth )
983                     DrawBitmapEx( Point( nBmpX, nBmpY ), aBmpEx );
984 
985             bDrawn = sal_True;
986         }
987         break;
988     }
989 
990     if( !bDrawn )
991     {
992         // optimized for non-transparent bitmaps
993         if( bDrawColorBackground )
994         {
995             const Size      aBmpSize( aBmpEx.GetSizePixel() );
996             const Point     aTmpPoint;
997             const Rectangle aOutRect( aTmpPoint, GetOutputSizePixel() );
998             const Rectangle aColRect( Point( nX, nY ), Size( nWidth, nHeight ) );
999             Rectangle       aWorkRect;
1000 
1001             aWorkRect = Rectangle( 0, 0, aOutRect.Right(), aPos.Y() - 1L );
1002             aWorkRect.Justify();
1003             aWorkRect.Intersection( aColRect );
1004             if( !aWorkRect.IsEmpty() )
1005             {
1006                 ImplDrawColorWallpaper( aWorkRect.Left(), aWorkRect.Top(),
1007                                         aWorkRect.GetWidth(), aWorkRect.GetHeight(),
1008                                         rWallpaper );
1009             }
1010 
1011             aWorkRect = Rectangle( 0, aPos.Y(), aPos.X() - 1L, aPos.Y() + aBmpSize.Height() - 1L );
1012             aWorkRect.Justify();
1013             aWorkRect.Intersection( aColRect );
1014             if( !aWorkRect.IsEmpty() )
1015             {
1016                 ImplDrawColorWallpaper( aWorkRect.Left(), aWorkRect.Top(),
1017                                         aWorkRect.GetWidth(), aWorkRect.GetHeight(),
1018                                         rWallpaper );
1019             }
1020 
1021             aWorkRect = Rectangle( aPos.X() + aBmpSize.Width(), aPos.Y(), aOutRect.Right(), aPos.Y() + aBmpSize.Height() - 1L );
1022             aWorkRect.Justify();
1023             aWorkRect.Intersection( aColRect );
1024             if( !aWorkRect.IsEmpty() )
1025             {
1026                 ImplDrawColorWallpaper( aWorkRect.Left(), aWorkRect.Top(),
1027                                         aWorkRect.GetWidth(), aWorkRect.GetHeight(),
1028                                         rWallpaper );
1029             }
1030 
1031             aWorkRect = Rectangle( 0, aPos.Y() + aBmpSize.Height(), aOutRect.Right(), aOutRect.Bottom() );
1032             aWorkRect.Justify();
1033             aWorkRect.Intersection( aColRect );
1034             if( !aWorkRect.IsEmpty() )
1035             {
1036                 ImplDrawColorWallpaper( aWorkRect.Left(), aWorkRect.Top(),
1037                                         aWorkRect.GetWidth(), aWorkRect.GetHeight(),
1038                                         rWallpaper );
1039             }
1040         }
1041 
1042         DrawBitmapEx( aPos, aBmpEx );
1043     }
1044 
1045     rWallpaper.ImplGetImpWallpaper()->ImplSetCachedBitmap( aBmpEx );
1046 
1047     Pop();
1048     EnableMapMode( bOldMap );
1049     mpMetaFile = pOldMetaFile;
1050 }
1051 
1052 // -----------------------------------------------------------------------
1053 
ImplDrawGradientWallpaper(long nX,long nY,long nWidth,long nHeight,const Wallpaper & rWallpaper)1054 void OutputDevice::ImplDrawGradientWallpaper( long nX, long nY,
1055                                               long nWidth, long nHeight,
1056                                               const Wallpaper& rWallpaper )
1057 {
1058     Rectangle       aBound;
1059     GDIMetaFile*    pOldMetaFile = mpMetaFile;
1060     const sal_Bool      bOldMap = mbMap;
1061     sal_Bool            bNeedGradient = sal_True;
1062 
1063 /*
1064     if ( rWallpaper.IsRect() )
1065         aBound = LogicToPixel( rWallpaper.GetRect() );
1066     else
1067 */
1068         aBound = Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) );
1069 
1070     mpMetaFile = NULL;
1071     EnableMapMode( sal_False );
1072     Push( PUSH_CLIPREGION );
1073     IntersectClipRegion( Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) ) );
1074 
1075     if( OUTDEV_WINDOW == meOutDevType && rWallpaper.GetStyle() == WALLPAPER_APPLICATIONGRADIENT )
1076     {
1077         Window *pWin = dynamic_cast< Window* >( this );
1078         if( pWin )
1079         {
1080             // limit gradient to useful size, so that it still can be noticed
1081             // in maximized windows
1082             long gradientWidth = pWin->GetDesktopRectPixel().GetSize().Width();
1083             if( gradientWidth > 1024 )
1084                 gradientWidth = 1024;
1085             if( mnOutOffX+nWidth > gradientWidth )
1086                 ImplDrawColorWallpaper(  nX, nY, nWidth, nHeight, rWallpaper.GetGradient().GetEndColor() );
1087             if( mnOutOffX > gradientWidth )
1088                 bNeedGradient = sal_False;
1089             else
1090                 aBound = Rectangle( Point( -mnOutOffX, nY ), Size( gradientWidth, nHeight ) );
1091         }
1092     }
1093 
1094     if( bNeedGradient )
1095         DrawGradient( aBound, rWallpaper.GetGradient() );
1096 
1097     Pop();
1098     EnableMapMode( bOldMap );
1099     mpMetaFile = pOldMetaFile;
1100 }
1101 
1102 // -----------------------------------------------------------------------
1103 
ImplDrawWallpaper(long nX,long nY,long nWidth,long nHeight,const Wallpaper & rWallpaper)1104 void OutputDevice::ImplDrawWallpaper( long nX, long nY,
1105                                       long nWidth, long nHeight,
1106                                       const Wallpaper& rWallpaper )
1107 {
1108     if( rWallpaper.IsBitmap() )
1109         ImplDrawBitmapWallpaper( nX, nY, nWidth, nHeight, rWallpaper );
1110     else if( rWallpaper.IsGradient() )
1111         ImplDrawGradientWallpaper( nX, nY, nWidth, nHeight, rWallpaper );
1112     else
1113         ImplDrawColorWallpaper(  nX, nY, nWidth, nHeight, rWallpaper );
1114 }
1115 
1116 // -----------------------------------------------------------------------
1117 
DrawWallpaper(const Rectangle & rRect,const Wallpaper & rWallpaper)1118 void OutputDevice::DrawWallpaper( const Rectangle& rRect,
1119                                   const Wallpaper& rWallpaper )
1120 {
1121     if ( mpMetaFile )
1122         mpMetaFile->AddAction( new MetaWallpaperAction( rRect, rWallpaper ) );
1123 
1124     if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
1125         return;
1126 
1127     if ( rWallpaper.GetStyle() != WALLPAPER_NULL )
1128     {
1129         Rectangle aRect = LogicToPixel( rRect );
1130         aRect.Justify();
1131 
1132         if ( !aRect.IsEmpty() )
1133         {
1134             ImplDrawWallpaper( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(),
1135                                rWallpaper );
1136         }
1137     }
1138 
1139     if( mpAlphaVDev )
1140         mpAlphaVDev->DrawWallpaper( rRect, rWallpaper );
1141 }
1142 
1143 // -----------------------------------------------------------------------
1144 
Erase()1145 void OutputDevice::Erase()
1146 {
1147     if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
1148         return;
1149 
1150     sal_Bool bNativeOK = sal_False;
1151 
1152     if( meOutDevType == OUTDEV_WINDOW )
1153     {
1154         Window* pWindow = static_cast<Window*>(this);
1155         ControlPart aCtrlPart = pWindow->ImplGetWindowImpl()->mnNativeBackground;
1156         if( aCtrlPart != 0 && ! pWindow->IsControlBackground() )
1157         {
1158             ImplControlValue    aControlValue;
1159             Point               aGcc3WorkaroundTemporary;
1160             Rectangle           aCtrlRegion( aGcc3WorkaroundTemporary, GetOutputSizePixel() );
1161             ControlState        nState = 0;
1162 
1163             if( pWindow->IsEnabled() )              nState |= CTRL_STATE_ENABLED;
1164             bNativeOK = pWindow->DrawNativeControl( CTRL_WINDOW_BACKGROUND, aCtrlPart, aCtrlRegion,
1165                                                     nState, aControlValue, rtl::OUString() );
1166         }
1167     }
1168 
1169     if ( mbBackground && ! bNativeOK )
1170     {
1171         RasterOp eRasterOp = GetRasterOp();
1172         if ( eRasterOp != ROP_OVERPAINT )
1173             SetRasterOp( ROP_OVERPAINT );
1174         ImplDrawWallpaper( 0, 0, mnOutWidth, mnOutHeight, maBackground );
1175         if ( eRasterOp != ROP_OVERPAINT )
1176             SetRasterOp( eRasterOp );
1177     }
1178 
1179     if( mpAlphaVDev )
1180         mpAlphaVDev->Erase();
1181 }
1182 
1183 // -----------------------------------------------------------------------
1184 
ImplDraw2ColorFrame(const Rectangle & rRect,const Color & rLeftTopColor,const Color & rRightBottomColor)1185 void OutputDevice::ImplDraw2ColorFrame( const Rectangle& rRect,
1186                                         const Color& rLeftTopColor,
1187                                         const Color& rRightBottomColor )
1188 {
1189     SetFillColor( rLeftTopColor );
1190     DrawRect( Rectangle( rRect.TopLeft(), Point( rRect.Left(), rRect.Bottom()-1 ) ) );
1191     DrawRect( Rectangle( rRect.TopLeft(), Point( rRect.Right()-1, rRect.Top() ) ) );
1192     SetFillColor( rRightBottomColor );
1193     DrawRect( Rectangle( rRect.BottomLeft(), rRect.BottomRight() ) );
1194     DrawRect( Rectangle( rRect.TopRight(), rRect.BottomRight() ) );
1195 }
1196 
1197 // -----------------------------------------------------------------------
1198 
DrawEPS(const Point & rPoint,const Size & rSize,const GfxLink & rGfxLink,GDIMetaFile * pSubst)1199 bool OutputDevice::DrawEPS( const Point& rPoint, const Size& rSize,
1200                             const GfxLink& rGfxLink, GDIMetaFile* pSubst )
1201 {
1202     DBG_TRACE( "OutputDevice::DrawEPS()" );
1203 
1204     bool bDrawn(true);
1205 
1206     if ( mpMetaFile )
1207     {
1208         GDIMetaFile aSubst;
1209 
1210         if( pSubst )
1211             aSubst = *pSubst;
1212 
1213         mpMetaFile->AddAction( new MetaEPSAction( rPoint, rSize, rGfxLink, aSubst ) );
1214     }
1215 
1216     if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
1217         return bDrawn;
1218 
1219     if( mbOutputClipped )
1220         return bDrawn;
1221 
1222     Rectangle aRect( ImplLogicToDevicePixel( Rectangle( rPoint, rSize ) ) );
1223 
1224     if( !aRect.IsEmpty() )
1225     {
1226         // draw the real EPS graphics
1227         if( rGfxLink.GetData() && rGfxLink.GetDataSize() )
1228         {
1229             if( !mpGraphics && !ImplGetGraphics() )
1230                 return bDrawn;
1231 
1232             if( mbInitClipRegion )
1233                 ImplInitClipRegion();
1234 
1235             aRect.Justify();
1236             bDrawn = mpGraphics->DrawEPS( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(),
1237                          (sal_uInt8*) rGfxLink.GetData(), rGfxLink.GetDataSize(), this );
1238         }
1239 
1240         // else draw the substitution graphics
1241         if( !bDrawn && pSubst )
1242         {
1243             GDIMetaFile* pOldMetaFile = mpMetaFile;
1244 
1245             mpMetaFile = NULL;
1246             Graphic( *pSubst ).Draw( this, rPoint, rSize );
1247             mpMetaFile = pOldMetaFile;
1248         }
1249     }
1250 
1251     if( mpAlphaVDev )
1252         mpAlphaVDev->DrawEPS( rPoint, rSize, rGfxLink, pSubst );
1253 
1254     return bDrawn;
1255 }
1256 
1257 // -----------------------------------------------------------------------
1258 
DrawCheckered(const Point & rPos,const Size & rSize,sal_uInt32 nLen,Color aStart,Color aEnd)1259 void OutputDevice::DrawCheckered(const Point& rPos, const Size& rSize, sal_uInt32 nLen, Color aStart, Color aEnd)
1260 {
1261     const sal_uInt32 nMaxX(rPos.X() + rSize.Width());
1262     const sal_uInt32 nMaxY(rPos.Y() + rSize.Height());
1263 
1264     Push(PUSH_LINECOLOR|PUSH_FILLCOLOR);
1265     SetLineColor();
1266 
1267     for(sal_uInt32 x(0), nX(rPos.X()); nX < nMaxX; x++, nX += nLen)
1268     {
1269         const sal_uInt32 nRight(std::min(nMaxX, nX + nLen));
1270 
1271         for(sal_uInt32 y(0), nY(rPos.Y()); nY < nMaxY; y++, nY += nLen)
1272         {
1273             const sal_uInt32 nBottom(std::min(nMaxY, nY + nLen));
1274 
1275             SetFillColor((x & 0x0001) ^ (y & 0x0001) ? aStart : aEnd);
1276             DrawRect(Rectangle(nX, nY, nRight, nBottom));
1277         }
1278     }
1279 
1280     Pop();
1281 }
1282 
1283 // -----------------------------------------------------------------------
1284 // eof
1285