83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <osl/mutex.hxx>
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#include "dx_winstuff.hxx"
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#include "dx_gdiplususer.hxx"
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namespace dxcanvas
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{
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namespace
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{
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::osl::Mutex* p_gdiPlusUsageCountMutex( osl::Mutex::getGlobalMutex() );
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int n_gdiPlusUsageCount( 0 );
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ULONG_PTR a_GdiPlusToken; // GDI+ handle. Owned by this object
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}
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GDIPlusUserSharedPtr GDIPlusUser::createInstance()
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{
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return GDIPlusUserSharedPtr( new GDIPlusUser() );
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}
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GDIPlusUser::~GDIPlusUser()
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{
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::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex );
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--n_gdiPlusUsageCount;
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if( n_gdiPlusUsageCount == 0 )
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Gdiplus::GdiplusShutdown( a_GdiPlusToken );
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}
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GDIPlusUser::GDIPlusUser()
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{
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::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex );
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if( n_gdiPlusUsageCount == 0 )
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{
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// Setup GDI+
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// No extras here, simply taking GdiplusStartupInput's
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// default constructor
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Gdiplus::GdiplusStartupInput gdiPlusStartupInput;
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Gdiplus::GdiplusStartup( &a_GdiPlusToken,
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&gdiPlusStartupInput,
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NULL );
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}
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++n_gdiPlusUsageCount;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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