1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_canvas.hxx"
30 
31 #include "dx_surfacegraphics.hxx"
32 #include "dx_impltools.hxx"
33 
34 using namespace ::com::sun::star;
35 
36 namespace dxcanvas
37 {
38     namespace
39     {
40         struct GraphicsDeleter
41         {
42             COMReference<surface_type> mpSurface;
43             HDC                        maHDC;
44 
45             GraphicsDeleter(const COMReference<surface_type>& rSurface, HDC hdc) :
46                 mpSurface(rSurface),
47                 maHDC(hdc)
48             {}
49 
50             void operator()( Gdiplus::Graphics* pGraphics )
51             {
52                 if(!pGraphics)
53                     return;
54 
55                 pGraphics->Flush(Gdiplus::FlushIntentionSync);
56                 delete pGraphics;
57 
58                 if(mpSurface.is())
59                     mpSurface->ReleaseDC( maHDC );
60             }
61         };
62     }
63 
64     GraphicsSharedPtr createSurfaceGraphics(const COMReference<surface_type>& rSurface )
65     {
66         Gdiplus::Graphics* pGraphics;
67         GraphicsSharedPtr  pRet;
68         HDC aHDC;
69 		if( SUCCEEDED(rSurface->GetDC( &aHDC )) )
70 		{
71 			pGraphics = Gdiplus::Graphics::FromHDC( aHDC );
72 			if(pGraphics)
73 			{
74 	            tools::setupGraphics( *pGraphics );
75 				pRet.reset(pGraphics,
76                            GraphicsDeleter(rSurface, aHDC));
77                 return pRet;
78 			}
79             else
80                 rSurface->ReleaseDC( aHDC );
81 		}
82 
83         throw uno::RuntimeException();
84     }
85 }
86