1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sfx2.hxx"
26
27 #ifdef WNT
28
29 #undef WB_LEFT
30 #undef WB_RIGHT
31
32 #define UINT64 USE_WIN_UINT64
33 #define INT64 USE_WIN_INT64
34 #define UINT32 USE_WIN_UINT32
35 #define INT32 USE_WIN_INT32
36
37 #include <tools/presys.h>
38 #if defined _MSC_VER
39 #pragma warning(push, 1)
40 #endif
41 #include <windows.h>
42 #if defined _MSC_VER
43 #pragma warning(pop)
44 #endif
45 #include <tools/postsys.h>
46
47 #undef UINT64
48 #undef INT64
49 #undef UINT32
50 #undef INT32
51
52 #endif
53 #include <com/sun/star/uno/Exception.hpp>
54 #include <com/sun/star/datatransfer/XTransferable.hpp>
55 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
56 #include <com/sun/star/graphic/XGraphicProvider.hpp>
57 #include <com/sun/star/graphic/XGraphic.hpp>
58 #include <com/sun/star/io/XStream.hpp>
59
60
61 #include <osl/thread.h>
62 #include <vcl/gdimtf.hxx>
63 #include <vcl/graph.hxx>
64 #include <vcl/cvtgrf.hxx>
65 #include <vcl/outdev.hxx>
66 #include <vcl/virdev.hxx>
67 #include <vcl/bitmapex.hxx>
68 #include <vcl/salbtype.hxx>
69
70 #include <tools/stream.hxx>
71 #include <unotools/tempfile.hxx>
72 #include <unotools/ucbstreamhelper.hxx>
73 #include <unotools/streamwrap.hxx>
74 #include <comphelper/processfactory.hxx>
75
76
77 #include "sfx2/sfxresid.hxx"
78 #include "graphhelp.hxx"
79 #include "doc.hrc"
80
81 using namespace ::com::sun::star;
82
83 #define THUMBNAIL_RESOLUTION 256
84
85 //---------------------------------------------------------------
86 // static
getFormatStrFromGDI_Impl(const GDIMetaFile * pGDIMeta,sal_uInt32 nFormat)87 SvMemoryStream* GraphicHelper::getFormatStrFromGDI_Impl( const GDIMetaFile* pGDIMeta, sal_uInt32 nFormat )
88 {
89 SvMemoryStream* pResult = NULL;
90 if ( pGDIMeta )
91 {
92 SvMemoryStream* pStream = new SvMemoryStream( 65535, 65535 );
93 if ( pStream )
94 {
95 Graphic aGraph( *pGDIMeta );
96 if ( GraphicConverter::Export( *pStream, aGraph, nFormat ) == 0 )
97 pResult = pStream;
98 else
99 delete pStream;
100 }
101 }
102
103 return pResult;
104 }
105
106 //---------------------------------------------------------------
107 // static
getEnhMetaFileFromGDI_Impl(const GDIMetaFile * pGDIMeta)108 void* GraphicHelper::getEnhMetaFileFromGDI_Impl( const GDIMetaFile* pGDIMeta )
109 {
110 (void)pGDIMeta; // unused
111 void* pResult = NULL;
112
113 #ifdef WNT
114 if ( pGDIMeta )
115 {
116 String aStr = ::rtl::OUString::createFromAscii( ".emf" );
117 ::utl::TempFile aTempFile( ::rtl::OUString(),
118 &aStr,
119 NULL,
120 sal_False );
121
122 ::rtl::OUString aMetaFile = aTempFile.GetFileName();
123 ::rtl::OUString aMetaURL = aTempFile.GetURL();
124 ::rtl::OString aWinFile = ::rtl::OUStringToOString( aMetaFile, osl_getThreadTextEncoding() );
125
126 SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( aMetaURL, STREAM_STD_READWRITE );
127 if ( pStream )
128 {
129 Graphic aGraph( *pGDIMeta );
130 sal_Bool bFailed = (sal_Bool)GraphicConverter::Export( *pStream, aGraph, CVT_EMF );
131 pStream->Flush();
132 delete pStream;
133
134 if ( !bFailed )
135 pResult = GetEnhMetaFileA( aWinFile.getStr() );
136 }
137 }
138 #endif
139
140 return pResult;
141 }
142
143 //---------------------------------------------------------------
144 // static
getWinMetaFileFromGDI_Impl(const GDIMetaFile * pGDIMeta,const Size & aMetaSize)145 void* GraphicHelper::getWinMetaFileFromGDI_Impl( const GDIMetaFile* pGDIMeta, const Size& aMetaSize )
146 {
147 (void)pGDIMeta; // unused
148 (void)aMetaSize; // unused
149 void* pResult = NULL;
150
151 #ifdef WNT
152 if ( pGDIMeta )
153 {
154 SvMemoryStream* pStream = new SvMemoryStream( 65535, 65535 );
155 if ( pStream )
156 {
157 Graphic aGraph( *pGDIMeta );
158 sal_Bool bFailed = (sal_Bool)GraphicConverter::Export( *pStream, aGraph, CVT_WMF );
159 pStream->Flush();
160 if ( !bFailed )
161 {
162 sal_Int32 nLength = pStream->Seek( STREAM_SEEK_TO_END );
163 if ( nLength > 22 )
164 {
165 HMETAFILE hMeta = SetMetaFileBitsEx( nLength - 22,
166 ( reinterpret_cast< const sal_uChar*>( pStream->GetData() ) ) + 22 );
167
168 if ( hMeta )
169 {
170 HGLOBAL hMemory = GlobalAlloc( GMEM_DDESHARE | GMEM_MOVEABLE, sizeof( METAFILEPICT ) );
171
172 if ( hMemory )
173 {
174 METAFILEPICT* pMF = (METAFILEPICT*)GlobalLock( hMemory );
175
176 pMF->hMF = hMeta;
177 pMF->mm = MM_ANISOTROPIC;
178
179 MapMode aMetaMode = pGDIMeta->GetPrefMapMode();
180 MapMode aWinMode( MAP_100TH_MM );
181
182 if ( aWinMode == pGDIMeta->GetPrefMapMode() )
183 {
184 pMF->xExt = aMetaSize.Width();
185 pMF->yExt = aMetaSize.Height();
186 }
187 else
188 {
189 Size aWinSize = OutputDevice::LogicToLogic( Size( aMetaSize.Width(), aMetaSize.Height() ),
190 pGDIMeta->GetPrefMapMode(),
191 aWinMode );
192 pMF->xExt = aWinSize.Width();
193 pMF->yExt = aWinSize.Height();
194 }
195
196 GlobalUnlock( hMemory );
197 pResult = (void*)hMemory;
198 }
199 else
200 DeleteMetaFile( hMeta );
201 }
202 }
203 }
204
205 delete pStream;
206 }
207 }
208
209 #endif
210
211
212 return pResult;
213 }
214
215 //---------------------------------------------------------------
216 // static
supportsMetaFileHandle_Impl()217 sal_Bool GraphicHelper::supportsMetaFileHandle_Impl()
218 {
219 #ifdef WNT
220 return sal_True;
221 #else
222 return sal_False;
223 #endif
224 }
225
226 //---------------------------------------------------------------
227 // static
mergeBitmaps_Impl(const BitmapEx & rBmpEx,const BitmapEx & rOverlay,const Rectangle & rOverlayRect,BitmapEx & rReturn)228 sal_Bool GraphicHelper::mergeBitmaps_Impl( const BitmapEx& rBmpEx, const BitmapEx& rOverlay,
229 const Rectangle& rOverlayRect, BitmapEx& rReturn )
230 {
231 // the implementation is provided by KA
232
233 Point aNullPt;
234 Rectangle aBmpRect( aNullPt, rBmpEx.GetSizePixel() );
235 VirtualDevice aVDev;
236
237 if( !rReturn.IsEmpty() )
238 rReturn.SetEmpty();
239
240 if( !rBmpEx.IsEmpty() && aVDev.SetOutputSizePixel( aBmpRect.GetSize() ) )
241 {
242 Rectangle aOverlayRect( rOverlayRect );
243
244 aOverlayRect.Intersection( aBmpRect );
245
246 if( rOverlay.IsEmpty() || rOverlayRect.IsEmpty() )
247 rReturn = rBmpEx;
248 else
249 {
250 aVDev.DrawBitmap( aNullPt, aVDev.GetOutputSizePixel(), rBmpEx.GetBitmap() );
251 aVDev.DrawBitmapEx( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), rOverlay );
252
253 Bitmap aBmp( aVDev.GetBitmap( aNullPt, aVDev.GetOutputSizePixel() ) );
254 aBmp.Convert( BMP_CONVERSION_24BIT );
255
256 if( !rBmpEx.IsTransparent() )
257 rReturn = aBmp;
258 else
259 {
260 aVDev.DrawBitmap( aNullPt, aVDev.GetOutputSizePixel(), rBmpEx.GetMask() );
261 Bitmap aOverlayMergeBmp( aVDev.GetBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize() ) );
262
263 if( rOverlay.IsTransparent() )
264 aVDev.DrawBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), rOverlay.GetMask() );
265 else
266 {
267 aVDev.SetLineColor( COL_BLACK );
268 aVDev.SetFillColor( COL_BLACK );
269 aVDev.DrawRect( aOverlayRect);
270 }
271
272 aOverlayMergeBmp.CombineSimple( aVDev.GetBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize() ), BMP_COMBINE_AND );
273 aVDev.DrawBitmap( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), aOverlayMergeBmp );
274 rReturn = BitmapEx( aBmp, aVDev.GetBitmap( aNullPt, aVDev.GetOutputSizePixel() ) );
275 }
276 }
277 }
278
279 return !rReturn.IsEmpty();
280 }
281
282
283 //---------------------------------------------------------------
284 // static
createThumb_Impl(const GDIMetaFile & rMtf,sal_uInt32 nMaximumExtent,BitmapEx & rBmpEx,const BitmapEx * pOverlay,const Rectangle * pOverlayRect)285 sal_Bool GraphicHelper::createThumb_Impl( const GDIMetaFile& rMtf,
286 sal_uInt32 nMaximumExtent,
287 BitmapEx& rBmpEx,
288 const BitmapEx* pOverlay,
289 const Rectangle* pOverlayRect )
290 {
291 // the implementation is provided by KA
292
293 // initialization seems to be complicated but is used to avoid rounding errors
294 VirtualDevice aVDev;
295 const Point aNullPt;
296 const Point aTLPix( aVDev.LogicToPixel( aNullPt, rMtf.GetPrefMapMode() ) );
297 const Point aBRPix( aVDev.LogicToPixel( Point( rMtf.GetPrefSize().Width() - 1, rMtf.GetPrefSize().Height() - 1 ), rMtf.GetPrefMapMode() ) );
298 Size aDrawSize( aVDev.LogicToPixel( rMtf.GetPrefSize(), rMtf.GetPrefMapMode() ) );
299 Size aSizePix( labs( aBRPix.X() - aTLPix.X() ) + 1, labs( aBRPix.Y() - aTLPix.Y() ) + 1 );
300 Point aPosPix;
301
302 if ( !rBmpEx.IsEmpty() )
303 rBmpEx.SetEmpty();
304
305 // determine size that has the same aspect ratio as image size and
306 // fits into the rectangle determined by nMaximumExtent
307 if ( aSizePix.Width() && aSizePix.Height() &&
308 ( sal::static_int_cast<sal_uInt32>(aSizePix.Width()) > nMaximumExtent ||
309 sal::static_int_cast<sal_uInt32>(aSizePix.Height()) > nMaximumExtent ) )
310 {
311 const Size aOldSizePix( aSizePix );
312 double fWH = static_cast< double >( aSizePix.Width() ) / aSizePix.Height();
313
314 if ( fWH <= 1.0 )
315 {
316 aSizePix.Width() = FRound( nMaximumExtent * fWH );
317 aSizePix.Height() = nMaximumExtent;
318 }
319 else
320 {
321 aSizePix.Width() = nMaximumExtent;
322 aSizePix.Height() = FRound( nMaximumExtent / fWH );
323 }
324
325 aDrawSize.Width() = FRound( ( static_cast< double >( aDrawSize.Width() ) * aSizePix.Width() ) / aOldSizePix.Width() );
326 aDrawSize.Height() = FRound( ( static_cast< double >( aDrawSize.Height() ) * aSizePix.Height() ) / aOldSizePix.Height() );
327 }
328
329 Size aFullSize;
330 Point aBackPosPix;
331 Rectangle aOverlayRect;
332
333 // calculate addigtional positions and sizes if an overlay image is used
334 if ( pOverlay )
335 {
336 aFullSize = Size( nMaximumExtent, nMaximumExtent );
337 aOverlayRect = Rectangle( aNullPt, aFullSize );
338
339 aOverlayRect.Intersection( pOverlayRect ? *pOverlayRect : Rectangle( aNullPt, pOverlay->GetSizePixel() ) );
340
341 if ( !aOverlayRect.IsEmpty() )
342 aBackPosPix = Point( ( nMaximumExtent - aSizePix.Width() ) >> 1, ( nMaximumExtent - aSizePix.Height() ) >> 1 );
343 else
344 pOverlay = NULL;
345 }
346 else
347 {
348 aFullSize = aSizePix;
349 pOverlay = NULL;
350 }
351
352 // draw image(s) into VDev and get resulting image
353 if ( aVDev.SetOutputSizePixel( aFullSize ) )
354 {
355 // draw metafile into VDev
356 const_cast< GDIMetaFile& >( rMtf ).WindStart();
357 const_cast< GDIMetaFile& >( rMtf ).Play( &aVDev, aBackPosPix, aDrawSize );
358
359 // draw overlay if neccessary
360 if ( pOverlay )
361 aVDev.DrawBitmapEx( aOverlayRect.TopLeft(), aOverlayRect.GetSize(), *pOverlay );
362
363 // get paint bitmap
364 Bitmap aBmp( aVDev.GetBitmap( aNullPt, aVDev.GetOutputSizePixel() ) );
365
366 // assure that we have a true color image
367 if ( aBmp.GetBitCount() != 24 )
368 aBmp.Convert( BMP_CONVERSION_24BIT );
369
370 rBmpEx = BitmapEx( aBmp );
371 }
372
373 return !rBmpEx.IsEmpty();
374 }
375
376 //---------------------------------------------------------------
377 // static
getThumbnailFormatFromGDI_Impl(GDIMetaFile * pMetaFile,sal_Bool bSigned,const uno::Reference<io::XStream> & xStream)378 sal_Bool GraphicHelper::getThumbnailFormatFromGDI_Impl( GDIMetaFile* pMetaFile,
379 sal_Bool bSigned,
380 const uno::Reference< io::XStream >& xStream )
381 {
382 sal_Bool bResult = sal_False;
383 SvStream* pStream = NULL;
384
385 if ( xStream.is() )
386 pStream = ::utl::UcbStreamHelper::CreateStream( xStream );
387
388 if ( pMetaFile && pStream && !pStream->GetError() )
389 {
390 BitmapEx aResultBitmap;
391 BitmapEx* pSignatureBitmap = NULL;
392
393 if ( bSigned )
394 pSignatureBitmap = new BitmapEx( SfxResId( BMP_SIGNATURE ) );
395
396 bResult = createThumb_Impl( *pMetaFile,
397 THUMBNAIL_RESOLUTION,
398 aResultBitmap,
399 pSignatureBitmap );
400 if ( bResult )
401 bResult = ( !aResultBitmap.IsEmpty()
402 && GraphicConverter::Export( *pStream, aResultBitmap, CVT_PNG ) == 0
403 && ( pStream->Flush(), !pStream->GetError() ) );
404
405 if ( pSignatureBitmap )
406 delete pSignatureBitmap;
407
408 delete pStream;
409 }
410
411 return bResult;
412 }
413
414 //---------------------------------------------------------------
415 // static
getSignedThumbnailFormatFromBitmap_Impl(const BitmapEx & aBitmap,const uno::Reference<io::XStream> & xStream)416 sal_Bool GraphicHelper::getSignedThumbnailFormatFromBitmap_Impl( const BitmapEx& aBitmap,
417 const uno::Reference< io::XStream >& xStream )
418 {
419 sal_Bool bResult = sal_False;
420 SvStream* pStream = NULL;
421
422 if ( xStream.is() )
423 pStream = ::utl::UcbStreamHelper::CreateStream( xStream );
424
425 if ( pStream && !pStream->GetError() )
426 {
427 BitmapEx aResultBitmap;
428 BitmapEx aSignatureBitmap( SfxResId( BMP_SIGNATURE ) );
429
430 bResult = mergeBitmaps_Impl( aBitmap,
431 aSignatureBitmap,
432 Rectangle( Point(), aBitmap.GetSizePixel() ),
433 aResultBitmap );
434
435 if ( bResult )
436 {
437 bResult = ( !aResultBitmap.IsEmpty()
438 && GraphicConverter::Export( *pStream, aResultBitmap, CVT_PNG ) == 0
439 && ( pStream->Flush(), !pStream->GetError() ) );
440 }
441
442 delete pStream;
443 }
444
445 return bResult;
446 }
447
448 //---------------------------------------------------------------
449 // static
getThumbnailReplacement_Impl(sal_Int32 nResID,const uno::Reference<io::XStream> & xStream)450 sal_Bool GraphicHelper::getThumbnailReplacement_Impl( sal_Int32 nResID, const uno::Reference< io::XStream >& xStream )
451 {
452 sal_Bool bResult = sal_False;
453 if ( nResID && xStream.is() )
454 {
455 uno::Reference< lang::XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
456 if ( xServiceManager.is() )
457 {
458 try
459 {
460 uno::Reference< graphic::XGraphicProvider > xGraphProvider(
461 xServiceManager->createInstance(
462 ::rtl::OUString::createFromAscii( "com.sun.star.graphic.GraphicProvider" ) ),
463 uno::UNO_QUERY );
464 if ( xGraphProvider.is() )
465 {
466 ::rtl::OUString aURL = ::rtl::OUString::createFromAscii( "private:resource/sfx/bitmapex/" );
467 aURL += ::rtl::OUString::valueOf( nResID );
468
469 uno::Sequence< beans::PropertyValue > aMediaProps( 1 );
470 aMediaProps[0].Name = ::rtl::OUString::createFromAscii( "URL" );
471 aMediaProps[0].Value <<= aURL;
472
473 uno::Reference< graphic::XGraphic > xGraphic = xGraphProvider->queryGraphic( aMediaProps );
474 if ( xGraphic.is() )
475 {
476 uno::Sequence< beans::PropertyValue > aStoreProps( 2 );
477 aStoreProps[0].Name = ::rtl::OUString::createFromAscii( "OutputStream" );
478 aStoreProps[0].Value <<= xStream;
479 aStoreProps[1].Name = ::rtl::OUString::createFromAscii( "MimeType" );
480 aStoreProps[1].Value <<= ::rtl::OUString::createFromAscii( "image/png" );
481
482 xGraphProvider->storeGraphic( xGraphic, aStoreProps );
483 bResult = sal_True;
484 }
485 }
486 }
487 catch( uno::Exception& )
488 {
489 }
490 }
491 }
492
493 return bResult;
494 }
495
496 //---------------------------------------------------------------
497 // static
getThumbnailReplacementIDByFactoryName_Impl(const::rtl::OUString & aFactoryShortName,sal_Bool)498 sal_uInt16 GraphicHelper::getThumbnailReplacementIDByFactoryName_Impl( const ::rtl::OUString& aFactoryShortName, sal_Bool /*bIsTemplate*/ )
499 {
500 sal_uInt16 nResult = 0;
501
502 if ( aFactoryShortName.equalsAscii( "scalc" ) )
503 {
504 nResult = BMP_128X128_CALC_DOC;
505 }
506 else if ( aFactoryShortName.equalsAscii( "sdraw" ) )
507 {
508 nResult = BMP_128X128_DRAW_DOC;
509 }
510 else if ( aFactoryShortName.equalsAscii( "simpress" ) )
511 {
512 nResult = BMP_128X128_IMPRESS_DOC;
513 }
514 else if ( aFactoryShortName.equalsAscii( "smath" ) )
515 {
516 nResult = BMP_128X128_MATH_DOC;
517 }
518 else if ( aFactoryShortName.equalsAscii( "swriter" ) || aFactoryShortName.compareToAscii( "swriter/", 8 ) == 0 )
519 {
520 nResult = BMP_128X128_WRITER_DOC;
521 }
522
523 return nResult;
524 }
525
526