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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <tools/debug.hxx>
22 :
23 : #include <vcl/settings.hxx>
24 : #include <vcl/svapp.hxx>
25 : #include <vcl/wrkwin.hxx>
26 : #include <vcl/virdev.hxx>
27 :
28 : #include <salinst.hxx>
29 : #include <salgdi.hxx>
30 : #include <salframe.hxx>
31 : #include <salvd.hxx>
32 : #include <outdev.h>
33 : #include <svdata.hxx>
34 :
35 : using namespace ::com::sun::star::uno;
36 :
37 : // =======================================================================
38 :
39 65630 : void VirtualDevice::ImplInitVirDev( const OutputDevice* pOutDev,
40 : long nDX, long nDY, sal_uInt16 nBitCount, const SystemGraphicsData *pData )
41 : {
42 : SAL_INFO( "vcl.virdev", "ImplInitVirDev(" << nDX << "," << nDY << "," << nBitCount << ")" );
43 :
44 65630 : if ( nDX < 1 )
45 0 : nDX = 1;
46 :
47 65630 : if ( nDY < 1 )
48 0 : nDY = 1;
49 :
50 65630 : ImplSVData* pSVData = ImplGetSVData();
51 :
52 65630 : if ( !pOutDev )
53 0 : pOutDev = ImplGetDefaultWindow();
54 65630 : if( !pOutDev )
55 65630 : return;
56 :
57 : SalGraphics* pGraphics;
58 65630 : if ( !pOutDev->mpGraphics )
59 4032 : ((OutputDevice*)pOutDev)->ImplGetGraphics();
60 65630 : pGraphics = pOutDev->mpGraphics;
61 65630 : if ( pGraphics )
62 65630 : mpVirDev = pSVData->mpDefInst->CreateVirtualDevice( pGraphics, nDX, nDY, nBitCount, pData );
63 : else
64 0 : mpVirDev = NULL;
65 65630 : if ( !mpVirDev )
66 : {
67 : // do not abort but throw an exception, may be the current thread terminates anyway (plugin-scenario)
68 : throw ::com::sun::star::uno::RuntimeException(
69 : OUString( "Could not create system bitmap!" ),
70 0 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
71 : //GetpApp()->Exception( EXC_SYSOBJNOTCREATED );
72 : }
73 :
74 65630 : mnBitCount = ( nBitCount ? nBitCount : pOutDev->GetBitCount() );
75 65630 : mnOutWidth = nDX;
76 65630 : mnOutHeight = nDY;
77 65630 : mbScreenComp = sal_True;
78 65630 : mnAlphaDepth = -1;
79 :
80 : // #i59315# init vdev size from system object, when passed a
81 : // SystemGraphicsData. Otherwise, output size will always
82 : // incorrectly stay at (1,1)
83 65630 : if( pData && mpVirDev )
84 0 : mpVirDev->GetSize(mnOutWidth,mnOutHeight);
85 :
86 65630 : if( mnBitCount < 8 )
87 4057 : SetAntialiasing( ANTIALIASING_DISABLE_TEXT );
88 :
89 65630 : if ( pOutDev->GetOutDevType() == OUTDEV_PRINTER )
90 0 : mbScreenComp = sal_False;
91 65630 : else if ( pOutDev->GetOutDevType() == OUTDEV_VIRDEV )
92 11561 : mbScreenComp = ((VirtualDevice*)pOutDev)->mbScreenComp;
93 :
94 65630 : meOutDevType = OUTDEV_VIRDEV;
95 65630 : mbDevOutput = sal_True;
96 65630 : mpFontList = pSVData->maGDIData.mpScreenFontList;
97 65630 : mpFontCache = pSVData->maGDIData.mpScreenFontCache;
98 65630 : mnDPIX = pOutDev->mnDPIX;
99 65630 : mnDPIY = pOutDev->mnDPIY;
100 65630 : maFont = pOutDev->maFont;
101 :
102 65630 : if( maTextColor != pOutDev->maTextColor )
103 : {
104 12 : maTextColor = pOutDev->maTextColor;
105 12 : mbInitTextColor = true;
106 : }
107 :
108 : // Virtuelle Devices haben defaultmaessig einen weissen Hintergrund
109 65630 : SetBackground( Wallpaper( Color( COL_WHITE ) ) );
110 :
111 : // #i59283# don't erase user-provided surface
112 65630 : if( !pData )
113 65630 : Erase();
114 :
115 : // VirDev in Liste eintragen
116 65630 : mpNext = pSVData->maGDIData.mpFirstVirDev;
117 65630 : mpPrev = NULL;
118 65630 : if ( mpNext )
119 64756 : mpNext->mpPrev = this;
120 : else
121 874 : pSVData->maGDIData.mpLastVirDev = this;
122 65630 : pSVData->maGDIData.mpFirstVirDev = this;
123 : }
124 :
125 : // -----------------------------------------------------------------------
126 :
127 46463 : VirtualDevice::VirtualDevice( sal_uInt16 nBitCount )
128 : : mpVirDev( NULL ),
129 46463 : meRefDevMode( REFDEV_NONE )
130 : {
131 : SAL_WARN_IF( (nBitCount > 1 && nBitCount != 8), "vcl.gdi",
132 : "VirtualDevice::VirtualDevice(): Only 0, 1 or 8 allowed for BitCount" );
133 : SAL_INFO( "vcl.gdi", "VirtualDevice::VirtualDevice( " << nBitCount << " )" );
134 :
135 46463 : ImplInitVirDev( Application::GetDefaultDevice(), 1, 1, nBitCount );
136 46463 : }
137 :
138 : // -----------------------------------------------------------------------
139 :
140 13874 : VirtualDevice::VirtualDevice( const OutputDevice& rCompDev, sal_uInt16 nBitCount )
141 : : mpVirDev( NULL ),
142 13874 : meRefDevMode( REFDEV_NONE )
143 : {
144 : SAL_WARN_IF( nBitCount > 1, "vcl.gdi",
145 : "VirtualDevice::VirtualDevice(): Only 0 or 1 is for BitCount allowed" );
146 : SAL_INFO( "vcl.gdi", "VirtualDevice::VirtualDevice( " << nBitCount << " )" );
147 :
148 13874 : ImplInitVirDev( &rCompDev, 1, 1, nBitCount );
149 13874 : }
150 :
151 : // -----------------------------------------------------------------------
152 :
153 5293 : VirtualDevice::VirtualDevice( const OutputDevice& rCompDev, sal_uInt16 nBitCount, sal_uInt16 nAlphaBitCount )
154 : : mpVirDev( NULL ),
155 5293 : meRefDevMode( REFDEV_NONE )
156 : {
157 : SAL_WARN_IF( nBitCount > 1, "vcl.gdi",
158 : "VirtualDevice::VirtualDevice(): Only 0 or 1 is for BitCount allowed" );
159 : SAL_INFO( "vcl.gdi",
160 : "VirtualDevice::VirtualDevice( " << nBitCount << ", " << nAlphaBitCount << " )" );
161 :
162 5293 : ImplInitVirDev( &rCompDev, 1, 1, nBitCount );
163 :
164 : // Enable alpha channel
165 5293 : mnAlphaDepth = sal::static_int_cast<sal_Int8>(nAlphaBitCount);
166 5293 : }
167 :
168 : // -----------------------------------------------------------------------
169 :
170 0 : VirtualDevice::VirtualDevice( const SystemGraphicsData *pData, sal_uInt16 nBitCount )
171 : : mpVirDev( NULL ),
172 0 : meRefDevMode( REFDEV_NONE )
173 : {
174 : SAL_INFO( "vcl.gdi", "VirtualDevice::VirtualDevice( " << nBitCount << " )" );
175 :
176 0 : ImplInitVirDev( Application::GetDefaultDevice(), 1, 1, nBitCount, pData );
177 0 : }
178 :
179 : // -----------------------------------------------------------------------
180 :
181 174129 : VirtualDevice::~VirtualDevice()
182 : {
183 : SAL_INFO( "vcl.gdi", "VirtualDevice::~VirtualDevice()" );
184 :
185 65551 : ImplSVData* pSVData = ImplGetSVData();
186 :
187 65551 : ImplReleaseGraphics();
188 :
189 65551 : if ( mpVirDev )
190 65551 : pSVData->mpDefInst->DestroyVirtualDevice( mpVirDev );
191 :
192 : // remove this VirtualDevice from the double-linked global list
193 65551 : if( mpPrev )
194 23698 : mpPrev->mpNext = mpNext;
195 : else
196 41853 : pSVData->maGDIData.mpFirstVirDev = mpNext;
197 :
198 65551 : if( mpNext )
199 64334 : mpNext->mpPrev = mpPrev;
200 : else
201 1217 : pSVData->maGDIData.mpLastVirDev = mpPrev;
202 108578 : }
203 :
204 : // -----------------------------------------------------------------------
205 :
206 22420 : sal_Bool VirtualDevice::InnerImplSetOutputSizePixel( const Size& rNewSize, sal_Bool bErase, const basebmp::RawMemorySharedArray &pBuffer )
207 : {
208 : SAL_INFO( "vcl.gdi",
209 : "VirtualDevice::InnerImplSetOutputSizePixel( " << rNewSize.Width() << ", "
210 : << rNewSize.Height() << ", " << int(bErase) << " )" );
211 :
212 22420 : if ( !mpVirDev )
213 0 : return sal_False;
214 22420 : else if ( rNewSize == GetOutputSizePixel() )
215 : {
216 1143 : if ( bErase )
217 1143 : Erase();
218 : // Yeah, so trying to re-use a VirtualDevice but this time using a
219 : // pre-allocated buffer won't work. Big deal.
220 1143 : return sal_True;
221 : }
222 :
223 : sal_Bool bRet;
224 21277 : long nNewWidth = rNewSize.Width(), nNewHeight = rNewSize.Height();
225 :
226 21277 : if ( nNewWidth < 1 )
227 91 : nNewWidth = 1;
228 :
229 21277 : if ( nNewHeight < 1 )
230 143 : nNewHeight = 1;
231 :
232 21277 : if ( bErase )
233 : {
234 19798 : if ( pBuffer )
235 0 : bRet = mpVirDev->SetSizeUsingBuffer( nNewWidth, nNewHeight, pBuffer );
236 : else
237 19798 : bRet = mpVirDev->SetSize( nNewWidth, nNewHeight );
238 :
239 19798 : if ( bRet )
240 : {
241 19798 : mnOutWidth = rNewSize.Width();
242 19798 : mnOutHeight = rNewSize.Height();
243 19798 : Erase();
244 : }
245 : }
246 : else
247 : {
248 : SalVirtualDevice* pNewVirDev;
249 1479 : ImplSVData* pSVData = ImplGetSVData();
250 :
251 : // we need a graphics
252 1479 : if ( !mpGraphics )
253 : {
254 0 : if ( !ImplGetGraphics() )
255 0 : return sal_False;
256 : }
257 :
258 1479 : pNewVirDev = pSVData->mpDefInst->CreateVirtualDevice( mpGraphics, nNewWidth, nNewHeight, mnBitCount );
259 1479 : if ( pNewVirDev )
260 : {
261 1479 : SalGraphics* pGraphics = pNewVirDev->GetGraphics();
262 1479 : if ( pGraphics )
263 : {
264 : SalTwoRect aPosAry;
265 : long nWidth;
266 : long nHeight;
267 1479 : if ( mnOutWidth < nNewWidth )
268 1307 : nWidth = mnOutWidth;
269 : else
270 172 : nWidth = nNewWidth;
271 1479 : if ( mnOutHeight < nNewHeight )
272 1215 : nHeight = mnOutHeight;
273 : else
274 264 : nHeight = nNewHeight;
275 1479 : aPosAry.mnSrcX = 0;
276 1479 : aPosAry.mnSrcY = 0;
277 1479 : aPosAry.mnSrcWidth = nWidth;
278 1479 : aPosAry.mnSrcHeight = nHeight;
279 1479 : aPosAry.mnDestX = 0;
280 1479 : aPosAry.mnDestY = 0;
281 1479 : aPosAry.mnDestWidth = nWidth;
282 1479 : aPosAry.mnDestHeight = nHeight;
283 :
284 1479 : pGraphics->CopyBits( aPosAry, mpGraphics, this, this );
285 1479 : pNewVirDev->ReleaseGraphics( pGraphics );
286 1479 : ImplReleaseGraphics();
287 1479 : pSVData->mpDefInst->DestroyVirtualDevice( mpVirDev );
288 1479 : mpVirDev = pNewVirDev;
289 1479 : mnOutWidth = rNewSize.Width();
290 1479 : mnOutHeight = rNewSize.Height();
291 1479 : bRet = sal_True;
292 : }
293 : else
294 : {
295 0 : bRet = sal_False;
296 0 : pSVData->mpDefInst->DestroyVirtualDevice( pNewVirDev );
297 : }
298 : }
299 : else
300 0 : bRet = sal_False;
301 : }
302 :
303 21277 : return bRet;
304 : }
305 :
306 : // -----------------------------------------------------------------------
307 :
308 : // #i32109#: Fill opaque areas correctly (without relying on
309 : // fill/linecolor state)
310 0 : void VirtualDevice::ImplFillOpaqueRectangle( const Rectangle& rRect )
311 : {
312 : // Set line and fill color to black (->opaque),
313 : // fill rect with that (linecolor, too, because of
314 : // those pesky missing pixel problems)
315 0 : Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
316 0 : SetLineColor( COL_BLACK );
317 0 : SetFillColor( COL_BLACK );
318 0 : DrawRect( rRect );
319 0 : Pop();
320 0 : }
321 :
322 : // -----------------------------------------------------------------------
323 :
324 17127 : sal_Bool VirtualDevice::ImplSetOutputSizePixel( const Size& rNewSize, sal_Bool bErase, const basebmp::RawMemorySharedArray &pBuffer )
325 : {
326 17127 : if( InnerImplSetOutputSizePixel(rNewSize, bErase, pBuffer) )
327 : {
328 17127 : if( mnAlphaDepth != -1 )
329 : {
330 : // #110958# Setup alpha bitmap
331 5293 : if(mpAlphaVDev && mpAlphaVDev->GetOutputSizePixel() != rNewSize)
332 : {
333 0 : delete mpAlphaVDev;
334 0 : mpAlphaVDev = 0L;
335 : }
336 :
337 5293 : if( !mpAlphaVDev )
338 : {
339 5293 : mpAlphaVDev = new VirtualDevice( *this, mnAlphaDepth );
340 5293 : mpAlphaVDev->InnerImplSetOutputSizePixel(rNewSize, bErase, basebmp::RawMemorySharedArray() );
341 : }
342 :
343 : // TODO: copy full outdev state to new one, here. Also needed in outdev2.cxx:DrawOutDev
344 5293 : if( GetLineColor() != Color( COL_TRANSPARENT ) )
345 5293 : mpAlphaVDev->SetLineColor( COL_BLACK );
346 :
347 5293 : if( GetFillColor() != Color( COL_TRANSPARENT ) )
348 5293 : mpAlphaVDev->SetFillColor( COL_BLACK );
349 :
350 5293 : mpAlphaVDev->SetMapMode( GetMapMode() );
351 : }
352 :
353 17127 : return sal_True;
354 : }
355 :
356 0 : return sal_False;
357 : }
358 :
359 17127 : sal_Bool VirtualDevice::SetOutputSizePixel( const Size& rNewSize, sal_Bool bErase )
360 : {
361 17127 : return ImplSetOutputSizePixel( rNewSize, bErase, basebmp::RawMemorySharedArray() );
362 : }
363 :
364 0 : sal_Bool VirtualDevice::SetOutputSizePixelScaleOffsetAndBuffer( const Size& rNewSize, const Fraction& rScale, const Point& rNewOffset, const basebmp::RawMemorySharedArray &pBuffer )
365 : {
366 0 : if (pBuffer) {
367 0 : MapMode mm = GetMapMode();
368 0 : mm.SetOrigin( rNewOffset );
369 0 : mm.SetScaleX( rScale );
370 0 : mm.SetScaleY( rScale );
371 0 : SetMapMode( mm );
372 : }
373 0 : return ImplSetOutputSizePixel( rNewSize, sal_True, pBuffer);
374 : }
375 :
376 : // -----------------------------------------------------------------------
377 :
378 1233 : void VirtualDevice::SetReferenceDevice( RefDevMode i_eRefDevMode )
379 : {
380 1233 : sal_Int32 nDPIX = 600, nDPIY = 600;
381 1233 : switch( i_eRefDevMode )
382 : {
383 : case REFDEV_NONE:
384 : default:
385 : DBG_ASSERT( sal_False, "VDev::SetRefDev illegal argument!" );
386 0 : break;
387 : case REFDEV_MODE06:
388 11 : nDPIX = nDPIY = 600;
389 11 : break;
390 : case REFDEV_MODE_MSO1:
391 1222 : nDPIX = nDPIY = 6*1440;
392 1222 : break;
393 : case REFDEV_MODE_PDF1:
394 0 : nDPIX = nDPIY = 720;
395 0 : break;
396 : }
397 1233 : ImplSetReferenceDevice( i_eRefDevMode, nDPIX, nDPIY );
398 1233 : }
399 :
400 0 : void VirtualDevice::SetReferenceDevice( sal_Int32 i_nDPIX, sal_Int32 i_nDPIY )
401 : {
402 0 : ImplSetReferenceDevice( REFDEV_CUSTOM, i_nDPIX, i_nDPIY );
403 0 : }
404 :
405 1233 : void VirtualDevice::ImplSetReferenceDevice( RefDevMode i_eRefDevMode, sal_Int32 i_nDPIX, sal_Int32 i_nDPIY )
406 : {
407 1233 : mnDPIX = i_nDPIX;
408 1233 : mnDPIY = i_nDPIY;
409 :
410 1233 : EnableOutput( sal_False ); // prevent output on reference device
411 1233 : mbScreenComp = sal_False;
412 :
413 : // invalidate currently selected fonts
414 1233 : mbInitFont = sal_True;
415 1233 : mbNewFont = sal_True;
416 :
417 : // avoid adjusting font lists when already in refdev mode
418 1233 : sal_uInt8 nOldRefDevMode = meRefDevMode;
419 1233 : sal_uInt8 nOldCompatFlag = (sal_uInt8)meRefDevMode & REFDEV_FORCE_ZERO_EXTLEAD;
420 1233 : meRefDevMode = (sal_uInt8)(i_eRefDevMode | nOldCompatFlag);
421 1233 : if( (nOldRefDevMode ^ nOldCompatFlag) != REFDEV_NONE )
422 1233 : return;
423 :
424 : // the reference device should have only scalable fonts
425 : // => clean up the original font lists before getting new ones
426 1233 : if ( mpFontEntry )
427 : {
428 0 : mpFontCache->Release( mpFontEntry );
429 0 : mpFontEntry = NULL;
430 : }
431 1233 : if ( mpGetDevFontList )
432 : {
433 0 : delete mpGetDevFontList;
434 0 : mpGetDevFontList = NULL;
435 : }
436 1233 : if ( mpGetDevSizeList )
437 : {
438 0 : delete mpGetDevSizeList;
439 0 : mpGetDevSizeList = NULL;
440 : }
441 :
442 : // preserve global font lists
443 1233 : ImplSVData* pSVData = ImplGetSVData();
444 1233 : if( mpFontList && (mpFontList != pSVData->maGDIData.mpScreenFontList) )
445 0 : delete mpFontList;
446 1233 : if( mpFontCache && (mpFontCache != pSVData->maGDIData.mpScreenFontCache) )
447 0 : delete mpFontCache;
448 :
449 : // get font list with scalable fonts only
450 1233 : ImplGetGraphics();
451 1233 : mpFontList = pSVData->maGDIData.mpScreenFontList->Clone( true, false );
452 :
453 : // prepare to use new font lists
454 1233 : mpFontCache = new ImplFontCache( false );
455 : }
456 :
457 : // -----------------------------------------------------------------------
458 :
459 0 : void VirtualDevice::Compat_ZeroExtleadBug()
460 : {
461 0 : meRefDevMode = (sal_uInt8)meRefDevMode | REFDEV_FORCE_ZERO_EXTLEAD;
462 465 : }
463 :
464 : // -----------------------------------------------------------------------
465 :
466 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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