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Diffstat (limited to '')
-rw-r--r-- | canvas/source/directx/dx_gdiplususer.cxx | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_gdiplususer.cxx b/canvas/source/directx/dx_gdiplususer.cxx new file mode 100644 index 000000000..85c143cff --- /dev/null +++ b/canvas/source/directx/dx_gdiplususer.cxx @@ -0,0 +1,74 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <osl/mutex.hxx> + +#include "dx_gdiplususer.hxx" +#include "dx_winstuff.hxx" + + +namespace dxcanvas +{ + namespace + { + ::osl::Mutex* p_gdiPlusUsageCountMutex( osl::Mutex::getGlobalMutex() ); + int n_gdiPlusUsageCount( 0 ); + + ULONG_PTR a_GdiPlusToken; // GDI+ handle. Owned by this object + } + + GDIPlusUser::GDIPlusUserSharedPtr GDIPlusUser::createInstance() + { + return GDIPlusUserSharedPtr( new GDIPlusUser() ); + } + + GDIPlusUser::~GDIPlusUser() + { + ::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex ); + + --n_gdiPlusUsageCount; + + if( n_gdiPlusUsageCount == 0 ) + Gdiplus::GdiplusShutdown( a_GdiPlusToken ); + } + + GDIPlusUser::GDIPlusUser() + { + ::osl::MutexGuard aGuard( *p_gdiPlusUsageCountMutex ); + + if( n_gdiPlusUsageCount == 0 ) + { + // Setup GDI+ + + // No extras here, simply taking GdiplusStartupInput's + // default constructor + Gdiplus::GdiplusStartupInput gdiPlusStartupInput; + + Gdiplus::GdiplusStartup( &a_GdiPlusToken, + &gdiPlusStartupInput, + nullptr ); + } + + ++n_gdiPlusUsageCount; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |