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Diffstat (limited to '')
-rw-r--r-- | canvas/source/directx/dx_surfacegraphics.cxx | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_surfacegraphics.cxx b/canvas/source/directx/dx_surfacegraphics.cxx new file mode 100644 index 000000000..075f2fc15 --- /dev/null +++ b/canvas/source/directx/dx_surfacegraphics.cxx @@ -0,0 +1,77 @@ +/* -*- 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 "dx_impltools.hxx" +#include "dx_surfacegraphics.hxx" + +using namespace ::com::sun::star; + +namespace dxcanvas +{ + namespace + { + struct GraphicsDeleter + { + sal::systools::COMReference<surface_type> mpSurface; + HDC maHDC; + + GraphicsDeleter(const sal::systools::COMReference<surface_type>& rSurface, HDC hdc) : + mpSurface(rSurface), + maHDC(hdc) + {} + + void operator()( Gdiplus::Graphics* pGraphics ) + { + if(!pGraphics) + return; + + pGraphics->Flush(Gdiplus::FlushIntentionSync); + delete pGraphics; + + if(mpSurface.is()) + mpSurface->ReleaseDC( maHDC ); + } + }; + } + + GraphicsSharedPtr createSurfaceGraphics(const sal::systools::COMReference<surface_type>& rSurface ) + { + GraphicsSharedPtr pRet; + HDC aHDC; + if( SUCCEEDED(rSurface->GetDC( &aHDC )) ) + { + Gdiplus::Graphics* pGraphics = Gdiplus::Graphics::FromHDC( aHDC ); + if(pGraphics) + { + tools::setupGraphics( *pGraphics ); + pRet.reset(pGraphics, + GraphicsDeleter(rSurface, aHDC)); + return pRet; + } + else + rSurface->ReleaseDC( aHDC ); + } + + throw uno::RuntimeException("could not get the DC to rSurface"); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |