1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski  *
13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski  * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski  * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski  * under the License.
19*b1cdbd2cSJim Jagielski  *
20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski 
23*b1cdbd2cSJim Jagielski 
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_canvas.hxx"
26*b1cdbd2cSJim Jagielski 
27*b1cdbd2cSJim Jagielski #include <osl/mutex.hxx>
28*b1cdbd2cSJim Jagielski 
29*b1cdbd2cSJim Jagielski #include "dx_winstuff.hxx"
30*b1cdbd2cSJim Jagielski #include "dx_gdiplususer.hxx"
31*b1cdbd2cSJim Jagielski 
32*b1cdbd2cSJim Jagielski 
33*b1cdbd2cSJim Jagielski namespace dxcanvas
34*b1cdbd2cSJim Jagielski {
35*b1cdbd2cSJim Jagielski     namespace
36*b1cdbd2cSJim Jagielski     {
37*b1cdbd2cSJim Jagielski         ::osl::Mutex* 	p_gdiPlusUsageCountMutex( osl::Mutex::getGlobalMutex() );
38*b1cdbd2cSJim Jagielski         int				n_gdiPlusUsageCount( 0 );
39*b1cdbd2cSJim Jagielski 
40*b1cdbd2cSJim Jagielski         ULONG_PTR		a_GdiPlusToken;		// GDI+ handle. Owned by this object
41*b1cdbd2cSJim Jagielski     }
42*b1cdbd2cSJim Jagielski 
createInstance()43*b1cdbd2cSJim Jagielski     GDIPlusUserSharedPtr GDIPlusUser::createInstance()
44*b1cdbd2cSJim Jagielski     {
45*b1cdbd2cSJim Jagielski         return GDIPlusUserSharedPtr( new GDIPlusUser() );
46*b1cdbd2cSJim Jagielski     }
47*b1cdbd2cSJim Jagielski 
~GDIPlusUser()48*b1cdbd2cSJim Jagielski     GDIPlusUser::~GDIPlusUser()
49*b1cdbd2cSJim Jagielski     {
50*b1cdbd2cSJim Jagielski         ::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex );
51*b1cdbd2cSJim Jagielski 
52*b1cdbd2cSJim Jagielski         --n_gdiPlusUsageCount;
53*b1cdbd2cSJim Jagielski 
54*b1cdbd2cSJim Jagielski         if( n_gdiPlusUsageCount == 0 )
55*b1cdbd2cSJim Jagielski             Gdiplus::GdiplusShutdown( a_GdiPlusToken );
56*b1cdbd2cSJim Jagielski     }
57*b1cdbd2cSJim Jagielski 
GDIPlusUser()58*b1cdbd2cSJim Jagielski     GDIPlusUser::GDIPlusUser()
59*b1cdbd2cSJim Jagielski     {
60*b1cdbd2cSJim Jagielski         ::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex );
61*b1cdbd2cSJim Jagielski 
62*b1cdbd2cSJim Jagielski         if( n_gdiPlusUsageCount == 0 )
63*b1cdbd2cSJim Jagielski         {
64*b1cdbd2cSJim Jagielski             // Setup GDI+
65*b1cdbd2cSJim Jagielski 
66*b1cdbd2cSJim Jagielski             // No extras here, simply taking GdiplusStartupInput's
67*b1cdbd2cSJim Jagielski             // default constructor
68*b1cdbd2cSJim Jagielski             Gdiplus::GdiplusStartupInput gdiPlusStartupInput;
69*b1cdbd2cSJim Jagielski 
70*b1cdbd2cSJim Jagielski             Gdiplus::GdiplusStartup( &a_GdiPlusToken,
71*b1cdbd2cSJim Jagielski                                      &gdiPlusStartupInput,
72*b1cdbd2cSJim Jagielski                                      NULL );
73*b1cdbd2cSJim Jagielski         }
74*b1cdbd2cSJim Jagielski 
75*b1cdbd2cSJim Jagielski         ++n_gdiPlusUsageCount;
76*b1cdbd2cSJim Jagielski     }
77*b1cdbd2cSJim Jagielski }
78