74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <osl/mutex.hxx>
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#include "dx_gdiplususer.hxx"
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#include "dx_winstuff.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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GDIPlusUser::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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nullptr );
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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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