xref: /trunk/main/vcl/os2/source/gdi/salgdi2.cxx (revision cdf0e10c)
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27 
28 #include <string.h>
29 #include <svpm.h>
30 
31 #define _SV_SALGDI2_CXX
32 #include <salbmp.h>
33 #include <saldata.hxx>
34 #ifndef _SV_SALIDS_HRC
35 #include <salids.hrc>
36 #endif
37 #include <salgdi.h>
38 #include <salvd.h>
39 #include <vcl/salbtype.hxx>
40 
41 #ifndef __H_FT2LIB
42 #include <wingdi.h>
43 #include <ft2lib.h>
44 #endif
45 
46 BOOL bFastTransparent = FALSE;
47 
48 // -----------
49 // - Defines -
50 // -----------
51 
52 #define RGBCOLOR( r, g, b ) ((ULONG)(((BYTE)(b)|((USHORT)(g)<<8))|(((ULONG)(BYTE)(r))<<16)))
53 #define TY( y ) 			(mnHeight-(y)-1)
54 
55 // ---------------
56 // - SalGraphics -
57 // ---------------
58 
59 bool Os2SalGraphics::supportsOperation( OutDevSupportType ) const
60 {
61     return false;
62 }
63 
64 
65 void Os2SalGraphics::copyBits( const SalTwoRect* pPosAry, SalGraphics* pSrcGraphics )
66 {
67 	HPS 	hSrcPS;
68 	POINTL	thePoints[4];
69 	long	nSrcHeight;
70 
71 	if ( pSrcGraphics )
72 	{
73 		//hSrcPS = pSrcGraphics->mhPS;
74 		//nSrcHeight = pSrcGraphics->mnHeight;
75 		hSrcPS = static_cast<Os2SalGraphics*>(pSrcGraphics)->mhPS;
76 		nSrcHeight = static_cast<Os2SalGraphics*>(pSrcGraphics)->mnHeight;
77 	}
78 	else
79 	{
80 		hSrcPS = mhPS;
81 		nSrcHeight = mnHeight;
82 	}
83 
84 	// lower-left corner of target
85 	thePoints[0].x = pPosAry->mnDestX;
86 	thePoints[0].y = TY( pPosAry->mnDestY + pPosAry->mnDestHeight - 1 );
87 
88 	// upper-right corner of target
89 	thePoints[1].x = pPosAry->mnDestX + pPosAry->mnDestWidth;
90 	thePoints[1].y = TY( pPosAry->mnDestY - 1 );
91 
92 	// lower-left corner of source
93 	thePoints[2].x = pPosAry->mnSrcX;
94 	thePoints[2].y = nSrcHeight - ( pPosAry->mnSrcY + pPosAry->mnSrcHeight );
95 
96 	if ( ( pPosAry->mnDestWidth != pPosAry->mnSrcWidth ) || ( pPosAry->mnDestHeight != pPosAry->mnSrcHeight ) )
97 	{
98 		// upper-right corner of Source
99 		thePoints[3].x = pPosAry->mnSrcX + pPosAry->mnSrcWidth;
100 		thePoints[3].y = nSrcHeight - pPosAry->mnSrcY + pPosAry->mnSrcHeight;
101 
102 		GpiBitBlt( mhPS, hSrcPS, 4, thePoints,
103 				   mbXORMode ? ROP_SRCINVERT : ROP_SRCCOPY, BBO_IGNORE );
104 	}
105 	else
106 	{
107 		GpiBitBlt( mhPS, hSrcPS, 3, thePoints,
108 				   mbXORMode ? ROP_SRCINVERT : ROP_SRCCOPY, BBO_IGNORE );
109 	}
110 }
111 
112 // -----------------------------------------------------------------------
113 
114 void Os2SalGraphics::copyArea( long nDestX, long nDestY,
115 							long nSrcX, long nSrcY,
116 							long nSrcWidth, long nSrcHeight,
117 							USHORT nFlags )
118 {
119 	POINTL thePoints[3];
120 
121 	// lower-left corner of target
122 	thePoints[0].x = nDestX;
123 	thePoints[0].y = TY( nDestY + nSrcHeight - 1 );
124 
125 	// upper-right corner of target
126 	thePoints[1].x = nDestX + nSrcWidth;
127 	thePoints[1].y = TY( nDestY - 1 );
128 
129 	// lower-left corner of source
130 	thePoints[2].x = nSrcX;
131 	thePoints[2].y = TY( nSrcY + nSrcHeight - 1);
132 
133 	if ( (nFlags & SAL_COPYAREA_WINDOWINVALIDATE) && mbWindow )
134 	{
135 		// Overlap-Bereich berechnen und invalidieren
136 		Point		aVCLSrcPos( nSrcX, nSrcY );
137 		Size		aVCLSrcSize( nSrcWidth, nSrcHeight );
138 		Rectangle	aVCLSrcRect( aVCLSrcPos, aVCLSrcSize );
139 		Rectangle	aVCLClipRect;
140 		SWP 		aSWP;
141 
142 		WinQueryWindowPos( mhWnd, &aSWP );
143 		aVCLClipRect.Right()	= aSWP.cx-1;
144 		aVCLClipRect.Bottom()	= aSWP.cy-1;
145 		if ( !aVCLSrcRect.Intersection( aVCLClipRect ).IsEmpty() )
146 		{
147 			RECTL	aSrcRect;
148 			RECTL	aTempRect;
149 			HRGN	hInvalidateRgn;
150 			HRGN	hTempRgn;
151 			HWND	hWnd;
152 			long	nRgnType;
153 
154 			long nVCLScrHeight	= aVCLSrcRect.GetHeight();
155 			aSrcRect.xLeft		= aVCLSrcRect.Left();
156 			aSrcRect.yBottom	= TY( aVCLSrcRect.Top()+nVCLScrHeight-1 );
157 			aSrcRect.xRight 	= aSrcRect.xLeft+aVCLSrcRect.GetWidth();
158 			aSrcRect.yTop		= aSrcRect.yBottom+nVCLScrHeight;
159 
160 			// Rechteck in Screen-Koordinaaten umrechnen
161 			POINTL	aPt;
162 			long	nScreenDX = WinQuerySysValue( HWND_DESKTOP, SV_CXSCREEN );
163 			long	nScreenDY = WinQuerySysValue( HWND_DESKTOP, SV_CYSCREEN );
164 			aPt.x = 0;
165 			aPt.y = 0;
166 			WinMapWindowPoints( mhWnd, HWND_DESKTOP, &aPt, 1 );
167 			aSrcRect.xLeft	 += aPt.x;
168 			aSrcRect.yTop	 += aPt.y;
169 			aSrcRect.xRight  += aPt.x;
170 			aSrcRect.yBottom += aPt.y;
171 			hInvalidateRgn = 0;
172 			// Bereiche ausserhalb des sichtbaren Bereiches berechnen
173 			if ( aSrcRect.xLeft < 0 )
174 			{
175 				if ( !hInvalidateRgn )
176 					hInvalidateRgn = GpiCreateRegion( mhPS, 1, &aSrcRect );
177 				aTempRect.xLeft 	= -31999;
178 				aTempRect.yBottom	= 0;
179 				aTempRect.xRight	= 0;
180 				aTempRect.yTop		= 31999;
181 				hTempRgn = GpiCreateRegion( mhPS, 1, &aTempRect );
182 				GpiCombineRegion( mhPS, hInvalidateRgn, hInvalidateRgn, hTempRgn, CRGN_DIFF );
183 				GpiDestroyRegion( mhPS, hTempRgn );
184 			}
185 			if ( aSrcRect.yBottom < 0 )
186 			{
187 				if ( !hInvalidateRgn )
188 					hInvalidateRgn = GpiCreateRegion( mhPS, 1, &aSrcRect );
189 				aTempRect.xLeft 	= 0;
190 				aTempRect.yBottom	= -31999;
191 				aTempRect.xRight	= 31999;
192 				aTempRect.yTop		= 0;
193 				hTempRgn = GpiCreateRegion( mhPS, 1, &aTempRect );
194 				GpiCombineRegion( mhPS, hInvalidateRgn, hInvalidateRgn, hTempRgn, CRGN_DIFF );
195 				GpiDestroyRegion( mhPS, hTempRgn );
196 			}
197 			if ( aSrcRect.xRight > nScreenDX )
198 			{
199 				if ( !hInvalidateRgn )
200 					hInvalidateRgn = GpiCreateRegion( mhPS, 1, &aSrcRect );
201 				aTempRect.xLeft 	= nScreenDX;
202 				aTempRect.yBottom	= 0;
203 				aTempRect.xRight	= 31999;
204 				aTempRect.yTop		= 31999;
205 				hTempRgn = GpiCreateRegion( mhPS, 1, &aTempRect );
206 				GpiCombineRegion( mhPS, hInvalidateRgn, hInvalidateRgn, hTempRgn, CRGN_DIFF );
207 				GpiDestroyRegion( mhPS, hTempRgn );
208 			}
209 			if ( aSrcRect.yTop > nScreenDY )
210 			{
211 				if ( !hInvalidateRgn )
212 					hInvalidateRgn = GpiCreateRegion( mhPS, 1, &aSrcRect );
213 				aTempRect.xLeft 	= 0;
214 				aTempRect.yBottom	= nScreenDY;
215 				aTempRect.xRight	= 31999;
216 				aTempRect.yTop		= 31999;
217 				hTempRgn = GpiCreateRegion( mhPS, 1, &aTempRect );
218 				GpiCombineRegion( mhPS, hInvalidateRgn, hInvalidateRgn, hTempRgn, CRGN_DIFF );
219 				GpiDestroyRegion( mhPS, hTempRgn );
220 			}
221 
222 			// Bereiche die von anderen Fenstern ueberlagert werden berechnen
223 			// Calculate areas that are overlapped by other windows
224 			HWND hWndParent = WinQueryWindow( mhWnd, QW_PARENT );
225 			hWnd = WinQueryWindow( HWND_DESKTOP, QW_TOP );
226 			aVCLSrcRect = Rectangle( aSrcRect.xLeft, aSrcRect.yBottom, aSrcRect.xRight, aSrcRect.yTop );
227 			while ( hWnd )
228 			{
229 				if ( hWnd == hWndParent )
230 					break;
231 				if ( WinIsWindowVisible( hWnd ) )
232 				{
233 					WinQueryWindowPos( hWnd, &aSWP );
234 					if ( !(aSWP.fl & SWP_MINIMIZE) )
235 					{
236 						aVCLClipRect = Rectangle( Point( aSWP.x, aSWP.y ), Size( aSWP.cx, aSWP.cy ) );
237 						if ( aVCLSrcRect.IsOver( aVCLClipRect ) )
238 						{
239 							if ( !hInvalidateRgn )
240 								hInvalidateRgn = GpiCreateRegion( mhPS, 1, &aSrcRect );
241 							aTempRect.xLeft 	= aSWP.x;
242 							aTempRect.yBottom	= aSWP.y;
243 							aTempRect.xRight	= aTempRect.xLeft+aSWP.cx;
244 							aTempRect.yTop		= aTempRect.yBottom+aSWP.cy;
245 							hTempRgn = GpiCreateRegion( mhPS, 1, &aTempRect );
246 							GpiCombineRegion( mhPS, hInvalidateRgn, hInvalidateRgn, hTempRgn, CRGN_DIFF );
247 							GpiDestroyRegion( mhPS, hTempRgn );
248 						}
249 					}
250 				}
251 				hWnd = WinQueryWindow( hWnd, QW_NEXT );
252 			}
253 
254 			if ( hInvalidateRgn )
255 			{
256 				hTempRgn = GpiCreateRegion( mhPS, 1, &aSrcRect );
257 				nRgnType = GpiCombineRegion( mhPS, hInvalidateRgn, hTempRgn, hInvalidateRgn, CRGN_DIFF );
258 				GpiDestroyRegion( mhPS, hTempRgn );
259 				if ( (nRgnType != RGN_ERROR) && (nRgnType != RGN_NULL) )
260 				{
261 					long nOffX = (nDestX-nSrcX);
262 					long nOffY = (nSrcY-nDestY);
263 					aPt.x = nOffX-aPt.x;
264 					aPt.y = nOffY-aPt.y;
265 					GpiOffsetRegion( mhPS, hInvalidateRgn, &aPt );
266 					WinInvalidateRegion( mhWnd, hInvalidateRgn, TRUE );
267 					// Hier loesen wir nur ein Update aus, wenn es der
268 					// MainThread ist, damit es beim Bearbeiten der
269 					// Paint-Message keinen Deadlock gibt, da der
270 					// SolarMutex durch diesen Thread schon gelockt ist
271 					SalData*	pSalData = GetSalData();
272 					ULONG		nCurThreadId = GetCurrentThreadId();
273 					if ( pSalData->mnAppThreadId == nCurThreadId )
274 						WinUpdateWindow( mhWnd );
275 				}
276 				GpiDestroyRegion( mhPS, hInvalidateRgn );
277 			}
278 		}
279 	}
280 
281 	GpiBitBlt( mhPS, mhPS, 3, thePoints,
282 			   ROP_SRCCOPY, BBO_IGNORE );
283 
284 }
285 
286 // -----------------------------------------------------------------------
287 
288 void ImplDrawBitmap( HPS hPS, long nScreenHeight,
289 					 const SalTwoRect* pPosAry, const Os2SalBitmap& rSalBitmap,
290 					 BOOL bPrinter, int nDrawMode )
291 {
292 	if( hPS )
293 	{
294 		HANDLE		hDrawDIB;
295 		HBITMAP 	hDrawDDB = rSalBitmap.ImplGethDDB();
296 		Os2SalBitmap*	pTmpSalBmp = NULL;
297 		BOOL		bPrintDDB = ( bPrinter && hDrawDDB );
298 		BOOL		bDrawDDB1 = ( ( rSalBitmap.GetBitCount() == 1 ) && hDrawDDB );
299 
300 		if( bPrintDDB || bDrawDDB1 )
301 		{
302 			pTmpSalBmp = new Os2SalBitmap;
303 			pTmpSalBmp->Create( rSalBitmap, rSalBitmap.GetBitCount() );
304 			hDrawDIB = pTmpSalBmp->ImplGethDIB();
305 		}
306 		else
307 			hDrawDIB = rSalBitmap.ImplGethDIB();
308 
309 		if( hDrawDIB )
310 		{
311 			HANDLE				hSubst = rSalBitmap.ImplGethDIB1Subst();
312 			POINTL				pts[ 4 ];
313 			BITMAPINFO2*		pBI = (BITMAPINFO2*) hDrawDIB;
314 			BITMAPINFOHEADER2*	pBIH = (BITMAPINFOHEADER2*) pBI;
315 			const long			nHeight = pBIH->cy;
316 			long				nInfoSize = *(ULONG*) pBI + rSalBitmap.ImplGetDIBColorCount( hDrawDIB ) * sizeof( RGB2 );
317 			BYTE*				pBits = (BYTE*) pBI + nInfoSize;
318 
319 			pts[0].x = pPosAry->mnDestX;
320 			pts[0].y = nScreenHeight - pPosAry->mnDestY - pPosAry->mnDestHeight;
321 			pts[1].x = pPosAry->mnDestX + pPosAry->mnDestWidth - 1;
322 			pts[1].y = nScreenHeight - pPosAry->mnDestY - 1;
323 
324 			pts[2].x = pPosAry->mnSrcX;
325 			pts[2].y = nHeight - ( pPosAry->mnSrcY + pPosAry->mnSrcHeight );
326 			pts[3].x = pPosAry->mnSrcX + pPosAry->mnSrcWidth;
327 			pts[3].y = nHeight - pPosAry->mnSrcY;
328 
329 			// if we've got a 1Bit DIB, we create a 4Bit substitute
330 			if( ( pBIH->cBitCount == 1 ) && !hSubst )
331 			{
332 				// create 4Bit substitute
333 				hSubst = Os2SalBitmap::ImplCreateDIB4FromDIB1( hDrawDIB );
334 
335 				// replace substitute only, if it is no temporary SalBitmap
336 				if( !( bPrintDDB || bDrawDDB1 ) )
337 					( (Os2SalBitmap&) rSalBitmap ).ImplReplacehDIB1Subst( hSubst );
338 			}
339 
340 			if( hSubst )
341 			{
342 				pBI = (BITMAPINFO2*) hSubst;
343 				pBIH = (BITMAPINFOHEADER2*) pBI;
344 				nInfoSize = *(ULONG*) pBI + rSalBitmap.ImplGetDIBColorCount( hSubst ) * sizeof( RGB2 );
345 				pBits = (BYTE*) pBI + nInfoSize;
346 			}
347 
348 			if( bPrinter )
349 			{
350 				BYTE* pDummy;
351 
352 				// expand 8Bit-DIB's to 24Bit-DIB's, because some printer drivers
353 				// have problems to print these DIB's (strange)
354 				if( pBIH->cBitCount == 8 && pBIH->ulCompression == BCA_UNCOMP )
355 				{
356 					const long			nWidth = pBIH->cx;
357 					const long			nHeight = pBIH->cy;
358 					const long			nWidthAl8 = AlignedWidth4Bytes( nWidth * 8 );
359 					const long			nWidthAl24 = AlignedWidth4Bytes( nWidth * 24 );
360 					const long			nNewImageSize = nHeight * nWidthAl24;
361 					BITMAPINFOHEADER2*	pNewInfo;
362 
363 					pDummy = new BYTE[ sizeof( BITMAPINFO2 ) + nNewImageSize ];
364 					memset( pDummy, 0, sizeof( BITMAPINFO2 ) );
365 
366 					pNewInfo = (BITMAPINFOHEADER2*) pDummy;
367 					pNewInfo->cbFix = sizeof( BITMAPINFOHEADER2 );
368 					pNewInfo->cx = nWidth;
369 					pNewInfo->cy = nHeight;
370 					pNewInfo->cPlanes = 1;
371 					pNewInfo->cBitCount = 24;
372 					pNewInfo->ulCompression = BCA_UNCOMP;
373 					pNewInfo->cbImage = nNewImageSize;
374 
375 					BYTE* pBitsSrc = (BYTE*) pBIH + nInfoSize;
376 					BYTE* pBitsDst = pDummy + sizeof( BITMAPINFO2 );
377 
378 					for( long nY = 0UL; nY < nHeight; nY++ )
379 					{
380 						BYTE* pSrcLine = pBitsSrc + nY * nWidthAl8;
381 						BYTE* pDstLine = pBitsDst + nY * nWidthAl24;
382 
383 						for( long nX = 0UL; nX < nWidth; nX++ )
384 						{
385 							const RGB2& rQuad = pBI->argbColor[ *pSrcLine++ ];
386 
387 							*pDstLine++ = rQuad.bBlue;
388 							*pDstLine++ = rQuad.bGreen;
389 							*pDstLine++ = rQuad.bRed;
390 						}
391 					}
392 
393 					nInfoSize = sizeof( BITMAPINFO2 );
394 				}
395 				else
396 				{
397 					const long nImageSize = ( pBIH->cbImage ? pBIH->cbImage : ( pBIH->cy * AlignedWidth4Bytes( pBIH->cx * pBIH->cBitCount ) ) );
398 					const long nTotalSize = nInfoSize + nImageSize;
399 
400 					pDummy = new BYTE[ nTotalSize ];
401 					memcpy( pDummy, pBI, nTotalSize );
402 				}
403 
404 				GpiDrawBits( hPS, pDummy + nInfoSize, (BITMAPINFO2*) pDummy, 4L, pts, nDrawMode, BBO_IGNORE );
405 				delete[] pDummy;
406 			}
407 			else
408 				GpiDrawBits( hPS, pBits, pBI, 4L, pts, nDrawMode, BBO_IGNORE );
409 		}
410 		else if( hDrawDDB && !bPrintDDB )
411 		{
412 			POINTL pts[ 4 ];
413 
414 			pts[0].x = pPosAry->mnDestX;
415 			pts[0].y = nScreenHeight - pPosAry->mnDestY - pPosAry->mnDestHeight;
416 			pts[1].x = pPosAry->mnDestX + pPosAry->mnDestWidth - 1;
417 			pts[1].y = nScreenHeight - pPosAry->mnDestY - 1;
418 
419 			pts[2].x = pPosAry->mnSrcX;
420 			pts[2].y = rSalBitmap.GetSize().Height() - ( pPosAry->mnSrcY + pPosAry->mnSrcHeight );
421 			pts[3].x = pPosAry->mnSrcX + pPosAry->mnSrcWidth;
422 			pts[3].y = rSalBitmap.GetSize().Height() - pPosAry->mnSrcY;
423 
424 			GpiWCBitBlt( hPS, hDrawDDB, 4L, pts, nDrawMode, BBO_IGNORE );
425 /*
426 			HPS hDrawPS = ImplGetCachedPS( CACHED_HPS_DRAW, hDrawDDB );
427 			Ft2BitBlt( hPS, hDrawPS, 4, pts, nDrawMode, BBO_IGNORE );
428 			ImplReleaseCachedPS( CACHED_HPS_DRAW );
429 */
430 		}
431 
432 		if( bPrintDDB || bDrawDDB1 )
433 			delete pTmpSalBmp;
434 	}
435 }
436 
437 // -----------------------------------------------------------------------
438 
439 void Os2SalGraphics::drawBitmap( const SalTwoRect* pPosAry,
440 							  const SalBitmap& rSalBitmap )
441 {
442 	ImplDrawBitmap( mhPS, mnHeight,
443 					pPosAry, static_cast<const Os2SalBitmap&>(rSalBitmap),
444 					mbPrinter,
445 					mbXORMode ? ROP_SRCINVERT : ROP_SRCCOPY );
446 }
447 
448 // -----------------------------------------------------------------------
449 
450 void Os2SalGraphics::drawBitmap( const SalTwoRect* pPosAry,
451 							  const SalBitmap& rSalBitmap,
452 							  SalColor nTransparentColor )
453 {
454 	DBG_ASSERT( !mbPrinter, "No transparency print possible!" );
455     //const Os2SalBitmap& rSalBitmap = static_cast<const Os2SalBitmap&>(rSSalBitmap);
456 	// an FM: kann erst einmal unberuecksichtigt bleiben
457 	drawBitmap( pPosAry, rSalBitmap );
458 }
459 
460 // -----------------------------------------------------------------------
461 
462 void Os2SalGraphics::drawBitmap( const SalTwoRect* pPosAry,
463 							  const SalBitmap& rSSalBitmap,
464 							  const SalBitmap& rSTransparentBitmap )
465 {
466 	DBG_ASSERT( !mbPrinter, "No transparency print possible!" );
467 
468     const Os2SalBitmap& rSalBitmap = static_cast<const Os2SalBitmap&>(rSSalBitmap);
469     const Os2SalBitmap& rTransparentBitmap = static_cast<const Os2SalBitmap&>(rSTransparentBitmap);
470 
471 	if( bFastTransparent )
472 	{
473 		ImplDrawBitmap( mhPS, mnHeight, pPosAry, rTransparentBitmap, FALSE, ROP_SRCAND );
474 		ImplDrawBitmap( mhPS, mnHeight, pPosAry, rSalBitmap, FALSE, ROP_SRCPAINT );
475 	}
476 	else
477 	{
478 		SalTwoRect		aPosAry = *pPosAry;
479 		int 			nDstX = (int) aPosAry.mnDestX;
480 		int 			nDstY = (int) aPosAry.mnDestY;
481 		int 			nDstWidth = (int) aPosAry.mnDestWidth;
482 		int 			nDstHeight = (int) aPosAry.mnDestHeight;
483 		HAB 			hAB = GetSalData()->mhAB;
484 		HPS 			hPS = mhPS;
485 		DEVOPENSTRUC	aDevOpenStruc = { NULL, (PSZ)"DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
486 		SIZEL			aSizeL = { nDstWidth, nDstHeight };
487 		POINTL			aPtL[ 3 ];
488 
489 		HDC 			   hMemDC = DevOpenDC( hAB, OD_MEMORY, (PSZ)"*", 5L, (PDEVOPENDATA)&aDevOpenStruc, 0 );
490 		HPS 			   hMemPS = Ft2CreatePS( hAB, hMemDC, &aSizeL, GPIT_MICRO | GPIA_ASSOC | PU_PELS );
491 		HBITMAP 		   hMemBitmap = ImplCreateVirDevBitmap( hMemDC, hMemPS, nDstWidth, nDstHeight, 0 );
492 		HBITMAP 		   hMemOld = (HBITMAP) Ft2SetBitmap( hMemPS, hMemBitmap );
493 		HDC 			   hMaskDC = DevOpenDC( hAB, OD_MEMORY, (PSZ)"*", 5L, (PDEVOPENDATA)&aDevOpenStruc, 0 );
494 		HPS 			   hMaskPS = Ft2CreatePS( hAB, hMaskDC, &aSizeL, GPIT_MICRO | GPIA_ASSOC | PU_PELS );
495 		HBITMAP 		   hMaskBitmap = ImplCreateVirDevBitmap( hMaskDC, hMaskPS, nDstWidth, nDstHeight, 0 );
496 		HBITMAP 		   hMaskOld = (HBITMAP) Ft2SetBitmap( hMaskPS, hMaskBitmap );
497 /*
498 		HPS hMemPS = ImplGetCachedPS( CACHED_HPS_1, 0 );
499 		HPS hMaskPS = ImplGetCachedPS( CACHED_HPS_2, 0 );
500 */
501 		aPosAry.mnDestX = aPosAry.mnDestY = 0L;
502 
503 		aPtL[ 0 ].x = 0;
504 		aPtL[ 0 ].y = 0;
505 		aPtL[ 1 ].x = nDstWidth;
506 		aPtL[ 1 ].y = nDstHeight;
507 		aPtL[ 2 ].x = nDstX;
508 		aPtL[ 2 ].y = TY( nDstY + nDstHeight - 1 );
509 
510 		GpiBitBlt( hMemPS, hPS, 3, aPtL, ROP_SRCCOPY, BBO_IGNORE );
511 		ImplDrawBitmap( hMaskPS, nDstHeight, &aPosAry, rTransparentBitmap, FALSE, ROP_SRCCOPY );
512 
513 		aPtL[ 2 ].x = 0;
514 		aPtL[ 2 ].y = 0;
515 
516 		GpiBitBlt( hMemPS, hMaskPS, 3, aPtL, ROP_SRCAND, BBO_IGNORE );
517 		ImplDrawBitmap( hMaskPS, nDstHeight, &aPosAry, rSalBitmap, FALSE, ROP_SRCERASE );
518 		GpiBitBlt( hMemPS, hMaskPS, 3, aPtL, ROP_SRCPAINT, BBO_IGNORE );
519 
520 		aPtL[ 0 ].x = nDstX;
521 		aPtL[ 0 ].y = TY( nDstY + nDstHeight - 1 );
522 		aPtL[ 1 ].x = nDstX + nDstWidth;
523 		aPtL[ 1 ].y = TY( nDstY - 1 );
524 
525 		GpiBitBlt( hPS, hMemPS, 3, aPtL, ROP_SRCCOPY, BBO_IGNORE );
526 
527 		Ft2SetBitmap( hMaskPS, hMaskOld );
528 		Ft2DestroyPS( hMaskPS );
529 		DevCloseDC( hMaskDC );
530 		GpiDeleteBitmap( hMaskBitmap );
531 
532 		Ft2SetBitmap( hMemPS, hMemOld );
533 		Ft2DestroyPS( hMemPS );
534 		DevCloseDC( hMemDC );
535 		GpiDeleteBitmap( hMemBitmap );
536 
537 /*
538 		ImplReleaseCachedPS( CACHED_HPS_1 );
539 		ImplReleaseCachedPS( CACHED_HPS_2 );
540 */
541 	}
542 }
543 
544 // -----------------------------------------------------------------------
545 
546 bool Os2SalGraphics::drawAlphaBitmap( const SalTwoRect& rTR,
547 				      const SalBitmap&  rSrcBitmap,
548 				      const SalBitmap&  rAlphaBmp )
549 {
550 	// TODO(P3) implement alpha blending
551 	return false;
552 }
553 
554 // -----------------------------------------------------------------------
555 
556 bool Os2SalGraphics::drawAlphaRect( long nX, long nY, long nWidth,
557                                     long nHeight, sal_uInt8 nTransparency )
558 {
559 	// TODO(P3) implement alpha blending
560 	return false;
561 }
562 
563 // -----------------------------------------------------------------------
564 
565 void Os2SalGraphics::drawMask( const SalTwoRect* pPosAry,
566 							const SalBitmap& rSSalBitmap,
567 							SalColor nMaskColor )
568 {
569 	DBG_ASSERT( !mbPrinter, "No transparency print possible!" );
570 
571     const Os2SalBitmap& rSalBitmap = static_cast<const Os2SalBitmap&>(rSSalBitmap);
572 
573 	SalTwoRect	aPosAry = *pPosAry;
574 	HPS 		hPS = mhPS;
575 	IMAGEBUNDLE aBundle, aOldBundle;
576 	AREABUNDLE	aAreaBundle, aOldAreaBundle;
577 	const ULONG    nColor = RGBCOLOR( SALCOLOR_RED( nMaskColor ),
578 									SALCOLOR_GREEN( nMaskColor ),
579 									SALCOLOR_BLUE( nMaskColor ) );
580 
581 	GpiQueryAttrs( hPS, PRIM_IMAGE, IBB_COLOR | IBB_BACK_COLOR, &aOldBundle );
582 	aBundle.lColor = RGBCOLOR( 0, 0, 0 );
583 	aBundle.lBackColor = RGBCOLOR( 0xFF, 0xFF, 0xFF );
584 	Ft2SetAttrs( hPS, PRIM_IMAGE, IBB_COLOR | IBB_BACK_COLOR, 0, &aBundle );
585 
586 	GpiQueryAttrs( hPS, PRIM_AREA, ABB_COLOR | ABB_BACK_COLOR | ABB_SYMBOL |
587 				   ABB_MIX_MODE | ABB_BACK_MIX_MODE, &aOldAreaBundle );
588 	aAreaBundle.lColor = nColor;
589 	aAreaBundle.lBackColor = nColor;
590 	aAreaBundle.usSymbol = PATSYM_SOLID;
591 	aAreaBundle.usMixMode = FM_OVERPAINT;
592 	aAreaBundle.usBackMixMode = BM_OVERPAINT;
593 	Ft2SetAttrs( hPS, PRIM_AREA, ABB_COLOR | ABB_BACK_COLOR | ABB_SYMBOL |
594 				 ABB_MIX_MODE | ABB_BACK_MIX_MODE, 0, &aAreaBundle );
595 
596 	ImplDrawBitmap( hPS, mnHeight, &aPosAry, rSalBitmap, FALSE, 0x00B8L );
597 
598 	Ft2SetAttrs( hPS, PRIM_IMAGE, IBB_COLOR | IBB_BACK_COLOR, 0, &aOldBundle );
599 	Ft2SetAttrs( hPS, PRIM_AREA, ABB_COLOR | ABB_BACK_COLOR | ABB_SYMBOL |
600 				 ABB_MIX_MODE | ABB_BACK_MIX_MODE, 0, &aOldAreaBundle );
601 }
602 
603 // -----------------------------------------------------------------------
604 
605 SalBitmap* Os2SalGraphics::getBitmap( long nX, long nY, long nDX, long nDY )
606 {
607 	HAB 		   hAB = GetSalData()->mhAB;
608 	SIZEL		 size = { nDX, nDY };
609 	Os2SalBitmap*	  pSalBitmap = NULL;
610 
611 	// create device context (at this time allways display compatible)
612 	DEVOPENSTRUC	aDevOpenStruc = { NULL, (PSZ)"DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
613 	HDC 			hMemDC = DevOpenDC( hAB, OD_MEMORY, (PSZ)"*", 5L, (PDEVOPENDATA)&aDevOpenStruc, 0 );
614 	HPS 			hMemPS = Ft2CreatePS( hAB, hMemDC, &size, GPIT_MICRO | GPIA_ASSOC | PU_PELS );
615 	HBITMAP 		hMemBmp = ImplCreateVirDevBitmap( hMemDC, hMemPS, nDX, nDY, 0 );
616 	HBITMAP 		hMemOld = Ft2SetBitmap( hMemPS, hMemBmp );
617 
618 	// creation successfull?
619 	if( hMemDC && hMemPS && hMemBmp )
620 	{
621 		POINTL thePoints[ 3 ];
622 
623 		// lower-left corner of target
624 		thePoints[ 0 ].x = 0;
625 		thePoints[ 0 ].y = 0;
626 
627 		// upper-right corner of target
628 		thePoints[ 1 ].x = nDX;
629 		thePoints[ 1 ].y = nDY;
630 
631 		// lower-left corner of source
632 		thePoints[ 2 ].x = nX;
633 		thePoints[ 2 ].y = TY( nY + nDY - 1 );
634 
635 		long lHits = GpiBitBlt( hMemPS, mhPS, 3, thePoints,
636 								mbXORMode ? ROP_SRCINVERT : ROP_SRCCOPY, BBO_IGNORE );
637 
638 		if( hMemPS )
639 		{
640 			Ft2SetBitmap( hMemPS, hMemOld );
641 			Ft2DestroyPS( hMemPS );
642 		}
643 
644 		if( hMemDC )
645 			DevCloseDC( hMemDC );
646 
647 		if( lHits == GPI_OK )
648 		{
649 			pSalBitmap = new Os2SalBitmap;
650 
651 			if( !pSalBitmap->Create( hMemBmp, FALSE, FALSE ) )
652 			{
653 				delete pSalBitmap;
654 				pSalBitmap = NULL;
655 			}
656 		}
657 	}
658 
659 	if( !pSalBitmap )
660 		GpiDeleteBitmap( hMemBmp );
661 
662 	// return pointer to SAL-Bitmap
663 	return pSalBitmap;
664 }
665 
666 // -----------------------------------------------------------------------
667 
668 SalColor Os2SalGraphics::getPixel( long nX, long nY )
669 {
670 	POINTL	  aPt = { nX, TY( nY ) };
671 	LONG	nColor = Ft2QueryPel( mhPS, &aPt );
672 
673 	return MAKE_SALCOLOR( (BYTE) ( nColor >> 16 ), (BYTE) ( nColor >> 8 ), (BYTE) nColor );
674 }
675 
676 // -----------------------------------------------------------------------
677 
678 void Os2SalGraphics::invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags )
679 {
680 	if( nFlags & SAL_INVERT_TRACKFRAME )
681 	{
682 		// save old vylues
683 		LINEBUNDLE oldLb;
684 		LINEBUNDLE lb;
685 		GpiQueryAttrs( mhPS, PRIM_LINE, LBB_MIX_MODE | LBB_TYPE | LBB_COLOR, &oldLb );
686 
687 		// set linetype to short dash
688 		lb.lColor = RGBCOLOR( 255, 255, 255 );
689 		lb.usMixMode = FM_XOR;
690 		lb.usType = LINETYPE_ALTERNATE;
691 		Ft2SetAttrs( mhPS, PRIM_LINE, LBB_MIX_MODE | LBB_TYPE | LBB_COLOR, 0, &lb );
692 
693 		// draw inverted box
694 		POINTL aPt;
695 
696 		aPt.x = nX;
697 		aPt.y = TY( nY );
698 
699 		Ft2Move( mhPS, &aPt );
700 
701 		aPt.x = nX + nWidth - 1;
702 		aPt.y = TY( nY + nHeight - 1 );
703 
704 		Ft2Box( mhPS, DRO_OUTLINE, &aPt, 0, 0 );
705 
706 		// restore old values
707 		Ft2SetAttrs( mhPS, PRIM_LINE, LBB_MIX_MODE | LBB_TYPE | LBB_COLOR, 0, &oldLb );
708 
709 	}
710 	else
711 	{
712 		// save old values
713 		AREABUNDLE oldAb;
714 		AREABUNDLE ab;
715 
716 		GpiQueryAttrs( mhPS, PRIM_AREA, ABB_COLOR | ABB_MIX_MODE | ABB_SYMBOL, &oldAb );
717 
718 		// set fill color to black
719 		ab.lColor = RGBCOLOR( 255, 255, 255 );
720 		ab.usMixMode = FM_XOR;
721 		ab.usSymbol = (nFlags & SAL_INVERT_50) ? PATSYM_DENSE5 : PATSYM_SOLID;
722 		Ft2SetAttrs( mhPS, PRIM_AREA, ABB_COLOR | ABB_MIX_MODE | ABB_SYMBOL, 0, &ab );
723 
724 		// draw inverted box
725 		POINTL aPt;
726 
727 		aPt.x = nX;
728 		aPt.y = TY( nY );
729 
730 		Ft2Move( mhPS, &aPt );
731 
732 		aPt.x = nX + nWidth - 1;
733 		aPt.y = TY( nY + nHeight - 1 );
734 
735 		Ft2Box( mhPS, DRO_FILL, &aPt, 0, 0 );
736 
737 		// restore old values
738 		Ft2SetAttrs( mhPS, PRIM_AREA, ABB_COLOR | ABB_MIX_MODE | ABB_SYMBOL, 0, &oldAb );
739 	}
740 }
741 
742 // -----------------------------------------------------------------------
743 
744 void Os2SalGraphics::invert( ULONG nPoints, const SalPoint* pPtAry, SalInvert nFlags )
745 {
746 	if( nFlags & SAL_INVERT_TRACKFRAME )
747 	{
748 		// save old vylues
749 		LINEBUNDLE oldLb;
750 		LINEBUNDLE lb;
751 		GpiQueryAttrs( mhPS, PRIM_LINE, LBB_MIX_MODE | LBB_TYPE | LBB_COLOR, &oldLb );
752 
753 		// set linetype to short dash
754 		lb.lColor = RGBCOLOR( 255, 255, 255 );
755 		lb.usMixMode = FM_XOR;
756 		lb.usType = LINETYPE_ALTERNATE;
757 		Ft2SetAttrs( mhPS, PRIM_LINE, LBB_MIX_MODE | LBB_TYPE | LBB_COLOR, 0, &lb );
758 
759 		// Draw Polyline
760 		drawPolyLine( nPoints, pPtAry );
761 
762 		// restore old values
763 		Ft2SetAttrs( mhPS, PRIM_LINE, LBB_MIX_MODE | LBB_TYPE | LBB_COLOR, 0, &oldLb );
764 	}
765 	else
766 	{
767 		// save old values
768 		AREABUNDLE oldAb;
769 		AREABUNDLE ab;
770 
771 		GpiQueryAttrs( mhPS, PRIM_AREA, ABB_COLOR | ABB_MIX_MODE | ABB_SYMBOL, &oldAb );
772 
773 		// set fill color to black
774 		ab.lColor = RGBCOLOR( 255, 255, 255 );
775 		ab.usMixMode = FM_XOR;
776 		ab.usSymbol = (nFlags & SAL_INVERT_50) ? PATSYM_DENSE5 : PATSYM_SOLID;
777 		Ft2SetAttrs( mhPS, PRIM_AREA, ABB_COLOR | ABB_MIX_MODE | ABB_SYMBOL, 0, &ab );
778 
779 		// Draw Polyline
780 		drawPolygon( nPoints, pPtAry );
781 
782 		// restore old values
783 		Ft2SetAttrs( mhPS, PRIM_AREA, ABB_COLOR | ABB_MIX_MODE | ABB_SYMBOL, 0, &oldAb );
784 	}
785 }
786 
787