Line data Source code
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 : #ifdef WNT
22 : #include <prewin.h>
23 : #include <postwin.h>
24 : #endif
25 :
26 : #include <com/sun/star/uno/Exception.hpp>
27 : #include <com/sun/star/datatransfer/XTransferable.hpp>
28 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
29 : #include <com/sun/star/graphic/GraphicProvider.hpp>
30 : #include <com/sun/star/graphic/XGraphicProvider.hpp>
31 : #include <com/sun/star/graphic/XGraphic.hpp>
32 : #include <com/sun/star/io/XStream.hpp>
33 :
34 :
35 : #include <osl/thread.h>
36 : #include <vcl/gdimtf.hxx>
37 : #include <vcl/graph.hxx>
38 : #include <vcl/cvtgrf.hxx>
39 : #include <vcl/outdev.hxx>
40 : #include <vcl/virdev.hxx>
41 : #include <vcl/bitmapex.hxx>
42 : #include <vcl/graphicfilter.hxx>
43 :
44 : #include <tools/stream.hxx>
45 : #include <tools/helpers.hxx>
46 : #include <unotools/tempfile.hxx>
47 : #include <unotools/ucbstreamhelper.hxx>
48 : #include <unotools/streamwrap.hxx>
49 : #include <comphelper/processfactory.hxx>
50 :
51 :
52 : #include <sfx2/sfxresid.hxx>
53 : #include "graphhelp.hxx"
54 : #include "doc.hrc"
55 :
56 : using namespace css;
57 :
58 0 : SvMemoryStream* GraphicHelper::getFormatStrFromGDI_Impl( const GDIMetaFile* pGDIMeta, sal_uInt32 nFormat )
59 : {
60 0 : SvMemoryStream* pResult = NULL;
61 0 : if ( pGDIMeta )
62 : {
63 0 : SvMemoryStream* pStream = new SvMemoryStream( 65535, 65535 );
64 0 : if ( pStream )
65 : {
66 0 : Graphic aGraph( *pGDIMeta );
67 0 : if ( GraphicConverter::Export( *pStream, aGraph, nFormat ) == 0 )
68 0 : pResult = pStream;
69 : else
70 0 : delete pStream;
71 : }
72 : }
73 :
74 0 : return pResult;
75 : }
76 :
77 :
78 : // static
79 0 : void* GraphicHelper::getEnhMetaFileFromGDI_Impl( const GDIMetaFile* pGDIMeta )
80 : {
81 : (void)pGDIMeta; // unused
82 0 : void* pResult = NULL;
83 :
84 : #ifdef WNT
85 : if ( pGDIMeta )
86 : {
87 : OUString const aStr(".emf");
88 : ::utl::TempFile aTempFile( OUString(), true, &aStr );
89 :
90 : OUString aMetaFile = aTempFile.GetFileName();
91 : OUString aMetaURL = aTempFile.GetURL();
92 : OString aWinFile = OUStringToOString( aMetaFile, osl_getThreadTextEncoding() );
93 :
94 : SvStream* pStream = ::utl::UcbStreamHelper::CreateStream( aMetaURL, STREAM_STD_READWRITE );
95 : if ( pStream )
96 : {
97 : Graphic aGraph( *pGDIMeta );
98 : sal_Bool bFailed = (sal_Bool)GraphicConverter::Export( *pStream, aGraph, CVT_EMF );
99 : pStream->Flush();
100 : delete pStream;
101 :
102 : if ( !bFailed )
103 : pResult = GetEnhMetaFileA( aWinFile.getStr() );
104 : }
105 : }
106 : #endif
107 :
108 0 : return pResult;
109 : }
110 :
111 :
112 : // static
113 0 : void* GraphicHelper::getWinMetaFileFromGDI_Impl( const GDIMetaFile* pGDIMeta, const Size& aMetaSize )
114 : {
115 : (void)pGDIMeta; // unused
116 : (void)aMetaSize; // unused
117 0 : void* pResult = NULL;
118 :
119 : #ifdef WNT
120 : if ( pGDIMeta )
121 : {
122 : SvMemoryStream* pStream = new SvMemoryStream( 65535, 65535 );
123 : if ( pStream )
124 : {
125 : Graphic aGraph( *pGDIMeta );
126 : sal_Bool bFailed = (sal_Bool)GraphicConverter::Export( *pStream, aGraph, CVT_WMF );
127 : pStream->Flush();
128 : if ( !bFailed )
129 : {
130 : sal_Int32 nLength = pStream->Seek( STREAM_SEEK_TO_END );
131 : if ( nLength > 22 )
132 : {
133 : HMETAFILE hMeta = SetMetaFileBitsEx( nLength - 22,
134 : ( reinterpret_cast< const unsigned char*>( pStream->GetData() ) ) + 22 );
135 :
136 : if ( hMeta )
137 : {
138 : HGLOBAL hMemory = GlobalAlloc( GMEM_DDESHARE | GMEM_MOVEABLE, sizeof( METAFILEPICT ) );
139 :
140 : if ( hMemory )
141 : {
142 : METAFILEPICT* pMF = (METAFILEPICT*)GlobalLock( hMemory );
143 :
144 : pMF->hMF = hMeta;
145 : pMF->mm = MM_ANISOTROPIC;
146 :
147 : MapMode aMetaMode = pGDIMeta->GetPrefMapMode();
148 : MapMode aWinMode( MAP_100TH_MM );
149 :
150 : if ( aWinMode == pGDIMeta->GetPrefMapMode() )
151 : {
152 : pMF->xExt = aMetaSize.Width();
153 : pMF->yExt = aMetaSize.Height();
154 : }
155 : else
156 : {
157 : Size aWinSize = OutputDevice::LogicToLogic( Size( aMetaSize.Width(), aMetaSize.Height() ),
158 : pGDIMeta->GetPrefMapMode(),
159 : aWinMode );
160 : pMF->xExt = aWinSize.Width();
161 : pMF->yExt = aWinSize.Height();
162 : }
163 :
164 : GlobalUnlock( hMemory );
165 : pResult = (void*)hMemory;
166 : }
167 : else
168 : DeleteMetaFile( hMeta );
169 : }
170 : }
171 : }
172 :
173 : delete pStream;
174 : }
175 : }
176 :
177 : #endif
178 :
179 :
180 0 : return pResult;
181 : }
182 :
183 :
184 : // static
185 0 : bool GraphicHelper::supportsMetaFileHandle_Impl()
186 : {
187 : #ifdef WNT
188 : return true;
189 : #else
190 0 : return false;
191 : #endif
192 : }
193 :
194 :
195 : // static
196 68 : bool GraphicHelper::getThumbnailFormatFromGDI_Impl(GDIMetaFile* pMetaFile, const uno::Reference<io::XStream>& xStream)
197 : {
198 68 : bool bResult = false;
199 :
200 68 : if (!pMetaFile || !xStream.is())
201 0 : return false;
202 :
203 68 : boost::scoped_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream(xStream));
204 :
205 68 : if (pStream->GetError())
206 0 : return false;
207 :
208 136 : BitmapEx aResultBitmap;
209 :
210 68 : bResult = pMetaFile->CreateThumbnail(aResultBitmap, 256, BMP_CONVERSION_8BIT_COLORS, BMP_SCALE_DEFAULT);
211 :
212 68 : if (!bResult || aResultBitmap.IsEmpty())
213 0 : return false;
214 :
215 68 : GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
216 :
217 68 : if (rFilter.compressAsPNG(aResultBitmap, *pStream.get(), 9) != GRFILTER_OK)
218 0 : return false;
219 :
220 68 : pStream->Flush();
221 :
222 136 : return !pStream->GetError();
223 : }
224 :
225 : // static
226 0 : bool GraphicHelper::getThumbnailReplacement_Impl( sal_Int32 nResID, const uno::Reference< io::XStream >& xStream )
227 : {
228 0 : bool bResult = false;
229 0 : if ( nResID && xStream.is() )
230 : {
231 0 : uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
232 : try
233 : {
234 0 : uno::Reference< graphic::XGraphicProvider > xGraphProvider(graphic::GraphicProvider::create(xContext));
235 0 : OUString aURL("private:resource/sfx/bitmapex/");
236 0 : aURL += OUString::number( nResID );
237 :
238 0 : uno::Sequence< beans::PropertyValue > aMediaProps( 1 );
239 0 : aMediaProps[0].Name = "URL";
240 0 : aMediaProps[0].Value <<= aURL;
241 :
242 0 : uno::Reference< graphic::XGraphic > xGraphic = xGraphProvider->queryGraphic( aMediaProps );
243 0 : if ( xGraphic.is() )
244 : {
245 0 : uno::Sequence< beans::PropertyValue > aStoreProps( 2 );
246 0 : aStoreProps[0].Name = "OutputStream";
247 0 : aStoreProps[0].Value <<= xStream;
248 0 : aStoreProps[1].Name = "MimeType";
249 0 : aStoreProps[1].Value <<= OUString("image/png");
250 :
251 0 : xGraphProvider->storeGraphic( xGraphic, aStoreProps );
252 0 : bResult = true;
253 0 : }
254 : }
255 0 : catch(const uno::Exception&)
256 : {
257 0 : }
258 : }
259 :
260 0 : return bResult;
261 : }
262 :
263 :
264 : // static
265 0 : sal_uInt16 GraphicHelper::getThumbnailReplacementIDByFactoryName_Impl( const OUString& aFactoryShortName, bool /*bIsTemplate*/ )
266 : {
267 0 : sal_uInt16 nResult = 0;
268 :
269 0 : if ( aFactoryShortName == "scalc" )
270 : {
271 0 : nResult = BMP_128X128_CALC_DOC;
272 : }
273 0 : else if ( aFactoryShortName == "sdraw" )
274 : {
275 0 : nResult = BMP_128X128_DRAW_DOC;
276 : }
277 0 : else if ( aFactoryShortName == "simpress" )
278 : {
279 0 : nResult = BMP_128X128_IMPRESS_DOC;
280 : }
281 0 : else if ( aFactoryShortName == "smath" )
282 : {
283 0 : nResult = BMP_128X128_MATH_DOC;
284 : }
285 0 : else if ( aFactoryShortName == "swriter" || aFactoryShortName.startsWith("swriter/") )
286 : {
287 0 : nResult = BMP_128X128_WRITER_DOC;
288 : }
289 :
290 0 : return nResult;
291 951 : }
292 :
293 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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