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_canvas.hxx"
26 
27 #include "dx_surfacegraphics.hxx"
28 #include "dx_impltools.hxx"
29 
30 using namespace ::com::sun::star;
31 
32 namespace dxcanvas
33 {
34     namespace
35     {
36         struct GraphicsDeleter
37         {
38             COMReference<surface_type> mpSurface;
39             HDC                        maHDC;
40 
41             GraphicsDeleter(const COMReference<surface_type>& rSurface, HDC hdc) :
42                 mpSurface(rSurface),
43                 maHDC(hdc)
44             {}
45 
46             void operator()( Gdiplus::Graphics* pGraphics )
47             {
48                 if(!pGraphics)
49                     return;
50 
51                 pGraphics->Flush(Gdiplus::FlushIntentionSync);
52                 delete pGraphics;
53 
54                 if(mpSurface.is())
55                     mpSurface->ReleaseDC( maHDC );
56             }
57         };
58     }
59 
60     GraphicsSharedPtr createSurfaceGraphics(const COMReference<surface_type>& rSurface )
61     {
62         Gdiplus::Graphics* pGraphics;
63         GraphicsSharedPtr  pRet;
64         HDC aHDC;
65 		if( SUCCEEDED(rSurface->GetDC( &aHDC )) )
66 		{
67 			pGraphics = Gdiplus::Graphics::FromHDC( aHDC );
68 			if(pGraphics)
69 			{
70 	            tools::setupGraphics( *pGraphics );
71 				pRet.reset(pGraphics,
72                            GraphicsDeleter(rSurface, aHDC));
73                 return pRet;
74 			}
75             else
76                 rSurface->ReleaseDC( aHDC );
77 		}
78 
79         throw uno::RuntimeException();
80     }
81 }
82