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/*************************************************************************
*
* 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.
*
************************************************************************/
#ifndef _CPPCANVAS_IMPLRENDERER_HXX
#define _CPPCANVAS_IMPLRENDERER_HXX
#include <sal/types.h>
#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
#include <boost/shared_ptr.hpp>
#endif
#include <cppcanvas/renderer.hxx>
#include <cppcanvas/canvas.hxx>
#include <canvasgraphichelper.hxx>
#include <action.hxx>
#include <vector>
class GDIMetaFile;
class VirtualDevice;
class Gradient;
class BitmapEx;
class MapMode;
class Size;
namespace basegfx {
class B2DPolyPolygon;
class B2DPolygon;
}
namespace cppcanvas
{
namespace internal
{
struct OutDevState;
struct ActionFactoryParameters;
// state stack of OutputDevice, to correctly handle
// push/pop actions
typedef ::std::vector< OutDevState > VectorOfOutDevStates;
class ImplRenderer : public virtual Renderer, protected CanvasGraphicHelper
{
public:
ImplRenderer( const CanvasSharedPtr& rCanvas,
const GDIMetaFile& rMtf,
const Parameters& rParms );
ImplRenderer( const CanvasSharedPtr& rCanvas,
const BitmapEx& rBmpEx,
const Parameters& rParms );
virtual ~ImplRenderer();
virtual bool draw() const;
virtual bool drawSubset( sal_Int32 nStartIndex,
sal_Int32 nEndIndex ) const;
virtual ::basegfx::B2DRange getSubsetArea( sal_Int32 nStartIndex,
sal_Int32 nEndIndex ) const;
// element of the Renderer's action vector. Need to be
// public, since some functors need it, too.
struct MtfAction
{
MtfAction( const ActionSharedPtr& rAction,
sal_Int32 nOrigIndex ) :
mpAction( rAction ),
mnOrigIndex( nOrigIndex )
{
}
ActionSharedPtr mpAction;
sal_Int32 mnOrigIndex;
};
// prefetched and prepared canvas actions
// (externally not visible)
typedef ::std::vector< MtfAction > ActionVector;
private:
// default: disabled copy/assignment
ImplRenderer(const ImplRenderer&);
ImplRenderer& operator=( const ImplRenderer& );
void updateClipping( const ::basegfx::B2DPolyPolygon& rClipPoly,
const ActionFactoryParameters& rParms,
bool bIntersect );
void updateClipping( const ::Rectangle& rClipRect,
const ActionFactoryParameters& rParms,
bool bIntersect );
::com::sun::star::uno::Reference<
::com::sun::star::rendering::XCanvasFont > createFont( double& o_rFontRotation,
const ::Font& rFont,
const ActionFactoryParameters& rParms ) const;
bool createActions( GDIMetaFile& rMtf,
const ActionFactoryParameters& rParms,
bool bSubsettableActions );
bool createFillAndStroke( const ::basegfx::B2DPolyPolygon& rPolyPoly,
const ActionFactoryParameters& rParms );
bool createFillAndStroke( const ::basegfx::B2DPolygon& rPoly,
const ActionFactoryParameters& rParms );
void skipContent( GDIMetaFile& rMtf,
const char* pCommentString,
sal_Int32& io_rCurrActionIndex ) const;
bool isActionContained( GDIMetaFile& rMtf,
const char* pCommentString,
USHORT nType ) const;
void createGradientAction( const ::PolyPolygon& rPoly,
const ::Gradient& rGradient,
const ActionFactoryParameters& rParms,
bool bIsPolygonRectangle,
bool bSubsettableActions );
void createTextAction( const ::Point& rStartPoint,
const String rString,
int nIndex,
int nLength,
const sal_Int32* pCharWidths,
const ActionFactoryParameters& rParms,
bool bSubsettable );
bool getSubsetIndices( sal_Int32& io_rStartIndex,
sal_Int32& io_rEndIndex,
ActionVector::const_iterator& o_rRangeBegin,
ActionVector::const_iterator& o_rRangeEnd ) const;
ActionVector maActions;
};
/// Common parameters when creating actions
struct ActionFactoryParameters
{
ActionFactoryParameters( VectorOfOutDevStates& rStates,
const CanvasSharedPtr& rCanvas,
::VirtualDevice& rVDev,
const Renderer::Parameters& rParms,
sal_Int32& io_rCurrActionIndex ) :
mrStates(rStates),
mrCanvas(rCanvas),
mrVDev(rVDev),
mrParms(rParms),
mrCurrActionIndex(io_rCurrActionIndex)
{}
VectorOfOutDevStates& mrStates;
const CanvasSharedPtr& mrCanvas;
::VirtualDevice& mrVDev;
const Renderer::Parameters& mrParms;
sal_Int32& mrCurrActionIndex;
};
}
}
#endif /* _CPPCANVAS_IMPLRENDERER_HXX */
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