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

91 lines
3.4 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 <canvas/debug.hxx>
#include <tools/diagnose_ex.h>
#include "cairo_cachedbitmap.hxx"
#include "cairo_repainttarget.hxx"
#include <com/sun/star/rendering/RepaintResult.hpp>
#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/tools/canvastools.hxx>
using namespace ::cairo;
using namespace ::com::sun::star;
namespace cairocanvas
{
CachedBitmap::CachedBitmap( const SurfaceSharedPtr& pSurface,
const rendering::ViewState& rUsedViewState,
const rendering::RenderState& rUsedRenderState,
const uno::Reference< rendering::XCanvas >& rTarget ) :
CachedPrimitiveBase( rUsedViewState, rTarget, true ),
mpSurface( pSurface ),
maRenderState( rUsedRenderState )
{}
void SAL_CALL CachedBitmap::disposing()
{
::osl::MutexGuard aGuard( m_aMutex );
mpSurface.reset();
CachedPrimitiveBase::disposing();
}
::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState& rNewState,
const rendering::ViewState& /*rOldState*/,
const uno::Reference< rendering::XCanvas >& rTargetCanvas,
bool bSameViewTransform )
{
ENSURE_OR_THROW( bSameViewTransform,
"CachedBitmap::doRedraw(): base called with changed view transform "
"(told otherwise during construction)" );
RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
ENSURE_OR_THROW( pTarget,
"CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
if( !pTarget->repaint( mpSurface,
rNewState,
maRenderState ) )
{
// target failed to repaint
return rendering::RepaintResult::FAILED;
}
return rendering::RepaintResult::REDRAWN;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */