87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
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/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: dx_gdiplususer.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2007-11-01 17:55:12 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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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