xref: /aoo4110/main/vcl/source/gdi/outdev6.cxx (revision b1cdbd2c)
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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