1*25ea7f45SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*25ea7f45SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*25ea7f45SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*25ea7f45SAndrew Rist * distributed with this work for additional information 6*25ea7f45SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*25ea7f45SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*25ea7f45SAndrew Rist * "License"); you may not use this file except in compliance 9*25ea7f45SAndrew Rist * with the License. You may obtain a copy of the License at 10*25ea7f45SAndrew Rist * 11*25ea7f45SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*25ea7f45SAndrew Rist * 13*25ea7f45SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*25ea7f45SAndrew Rist * software distributed under the License is distributed on an 15*25ea7f45SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*25ea7f45SAndrew Rist * KIND, either express or implied. See the License for the 17*25ea7f45SAndrew Rist * specific language governing permissions and limitations 18*25ea7f45SAndrew Rist * under the License. 19*25ea7f45SAndrew Rist * 20*25ea7f45SAndrew Rist *************************************************************/ 21*25ea7f45SAndrew Rist 22*25ea7f45SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_canvas.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <osl/mutex.hxx> 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include "dx_winstuff.hxx" 30cdf0e10cSrcweir #include "dx_gdiplususer.hxx" 31cdf0e10cSrcweir 32cdf0e10cSrcweir 33cdf0e10cSrcweir namespace dxcanvas 34cdf0e10cSrcweir { 35cdf0e10cSrcweir namespace 36cdf0e10cSrcweir { 37cdf0e10cSrcweir ::osl::Mutex* p_gdiPlusUsageCountMutex( osl::Mutex::getGlobalMutex() ); 38cdf0e10cSrcweir int n_gdiPlusUsageCount( 0 ); 39cdf0e10cSrcweir 40cdf0e10cSrcweir ULONG_PTR a_GdiPlusToken; // GDI+ handle. Owned by this object 41cdf0e10cSrcweir } 42cdf0e10cSrcweir 43cdf0e10cSrcweir GDIPlusUserSharedPtr GDIPlusUser::createInstance() 44cdf0e10cSrcweir { 45cdf0e10cSrcweir return GDIPlusUserSharedPtr( new GDIPlusUser() ); 46cdf0e10cSrcweir } 47cdf0e10cSrcweir 48cdf0e10cSrcweir GDIPlusUser::~GDIPlusUser() 49cdf0e10cSrcweir { 50cdf0e10cSrcweir ::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex ); 51cdf0e10cSrcweir 52cdf0e10cSrcweir --n_gdiPlusUsageCount; 53cdf0e10cSrcweir 54cdf0e10cSrcweir if( n_gdiPlusUsageCount == 0 ) 55cdf0e10cSrcweir Gdiplus::GdiplusShutdown( a_GdiPlusToken ); 56cdf0e10cSrcweir } 57cdf0e10cSrcweir 58cdf0e10cSrcweir GDIPlusUser::GDIPlusUser() 59cdf0e10cSrcweir { 60cdf0e10cSrcweir ::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex ); 61cdf0e10cSrcweir 62cdf0e10cSrcweir if( n_gdiPlusUsageCount == 0 ) 63cdf0e10cSrcweir { 64cdf0e10cSrcweir // Setup GDI+ 65cdf0e10cSrcweir 66cdf0e10cSrcweir // No extras here, simply taking GdiplusStartupInput's 67cdf0e10cSrcweir // default constructor 68cdf0e10cSrcweir Gdiplus::GdiplusStartupInput gdiPlusStartupInput; 69cdf0e10cSrcweir 70cdf0e10cSrcweir Gdiplus::GdiplusStartup( &a_GdiPlusToken, 71cdf0e10cSrcweir &gdiPlusStartupInput, 72cdf0e10cSrcweir NULL ); 73cdf0e10cSrcweir } 74cdf0e10cSrcweir 75cdf0e10cSrcweir ++n_gdiPlusUsageCount; 76cdf0e10cSrcweir } 77cdf0e10cSrcweir } 78