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/* -*- 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_cppcanvas.hxx"
#include <rtl/logfile.hxx>
#include <com/sun/star/rendering/RepaintResult.hpp>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <canvas/canvastools.hxx>
#include <cppcanvas/canvas.hxx>
#include "cachedprimitivebase.hxx"
using namespace ::com::sun::star;
namespace cppcanvas
{
namespace internal
{
CachedPrimitiveBase::CachedPrimitiveBase( const CanvasSharedPtr& rCanvas,
bool bOnlyRedrawWithSameTransform ) :
mpCanvas( rCanvas ),
mxCachedPrimitive(),
maLastTransformation(),
mbOnlyRedrawWithSameTransform( bOnlyRedrawWithSameTransform )
{
// TODO(F2): also store last view transform, and refuse to
// redraw if changed.
}
bool CachedPrimitiveBase::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
{
RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::CachedPrimitiveBase::render()" );
RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::CachedPrimitiveBase: 0x%X", this );
const rendering::ViewState& rViewState( mpCanvas->getViewState() );
::basegfx::B2DHomMatrix aTotalTransform;
::canvas::tools::getViewStateTransform( aTotalTransform,
rViewState );
aTotalTransform *= rTransformation;
// can we use the cached primitive? For that, it must be
// present in the first place, and, if
// mbOnlyRedrawWithSameTransform is true, the overall
// transformation must be the same.
if( mxCachedPrimitive.is() &&
(!mbOnlyRedrawWithSameTransform ||
maLastTransformation == aTotalTransform) )
{
if( mxCachedPrimitive->redraw( rViewState ) ==
rendering::RepaintResult::REDRAWN )
{
// cached repaint succeeded, done.
return true;
}
}
maLastTransformation = aTotalTransform;
// delegate rendering to derived classes
return render( mxCachedPrimitive,
rTransformation );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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