office-gobmx/canvas/source/directx/dx_surfacegraphics.cxx
2011-11-27 12:57:22 -06:00

86 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "dx_surfacegraphics.hxx"
#include "dx_impltools.hxx"
using namespace ::com::sun::star;
namespace dxcanvas
{
namespace
{
struct GraphicsDeleter
{
COMReference<surface_type> mpSurface;
HDC maHDC;
GraphicsDeleter(const 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 COMReference<surface_type>& rSurface )
{
Gdiplus::Graphics* pGraphics;
GraphicsSharedPtr pRet;
HDC aHDC;
if( SUCCEEDED(rSurface->GetDC( &aHDC )) )
{
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();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */