78ecb6ae43
2005/01/25 23:22:41 thb 1.4.10.1: #i36950# More text output fixes: basegfx obviously does not prune exactly identical polygons into one, which might lead to errorneously empty clips. Fixed symptomatically by falling back to rect clipping for some common cases. Added handling of StretchText meta action
220 lines
10 KiB
C++
220 lines
10 KiB
C++
/*************************************************************************
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*
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* $RCSfile: implrenderer.hxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: rt $ $Date: 2005-01-28 15:29:56 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _CPPCANVAS_IMPLRENDERER_HXX
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#define _CPPCANVAS_IMPLRENDERER_HXX
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#ifndef _SAL_TYPES_H_
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#include <sal/types.h>
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#endif
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#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
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#include <boost/shared_ptr.hpp>
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#endif
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#ifndef _CPPCANVAS_RENDERER_HXX
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#include <cppcanvas/renderer.hxx>
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#endif
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#ifndef _CPPCANVAS_CANVAS_HXX
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#include <cppcanvas/canvas.hxx>
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#endif
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#include <canvasgraphichelper.hxx>
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#include <action.hxx>
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#include <vector>
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class GDIMetaFile;
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class BitmapEx;
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class VirtualDevice;
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class Gradient;
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namespace cppcanvas
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{
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namespace internal
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{
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struct OutDevState;
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// state stack of OutputDevice, to correctly handle
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// push/pop actions
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typedef ::std::vector< OutDevState > VectorOfOutDevStates;
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class ImplRenderer : public virtual Renderer, protected CanvasGraphicHelper
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{
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public:
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ImplRenderer( const CanvasSharedPtr& rCanvas,
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const GDIMetaFile& rMtf,
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const Parameters& rParms );
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ImplRenderer( const CanvasSharedPtr& rCanvas,
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const BitmapEx& rBmpEx,
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const Parameters& rParms );
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virtual ~ImplRenderer();
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virtual bool draw() const;
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virtual bool drawSubset( int nStartIndex,
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int nEndIndex ) const;
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// element of the Renderer's action vector. Need to be
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// public, since some functors need it, too.
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struct MtfAction
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{
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MtfAction( const ActionSharedPtr& rAction,
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int nOrigIndex ) :
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mpAction( rAction ),
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mnOrigIndex( nOrigIndex )
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{
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}
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ActionSharedPtr mpAction;
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int mnOrigIndex;
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};
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private:
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// default: disabled copy/assignment
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ImplRenderer(const ImplRenderer&);
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ImplRenderer& operator=( const ImplRenderer& );
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void updateClipping( VectorOfOutDevStates& rStates,
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const ::basegfx::B2DPolyPolygon& rClipPoly,
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const CanvasSharedPtr& rCanvas,
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bool bIntersect );
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void updateClipping( VectorOfOutDevStates& rStates,
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const ::Rectangle& rClipRect,
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const CanvasSharedPtr& rCanvas,
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bool bIntersect );
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::com::sun::star::uno::Reference<
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::drafts::com::sun::star::rendering::XCanvasFont > createFont( ::basegfx::B2DHomMatrix& o_rFontMatrix,
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const ::Font& rFont,
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const CanvasSharedPtr& rCanvas,
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const ::VirtualDevice& rVDev,
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const Parameters& rParms ) const;
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bool createActions( const CanvasSharedPtr& rCanvas,
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VirtualDevice& rVDev,
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GDIMetaFile& rMtf,
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VectorOfOutDevStates& rStates,
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const Parameters& rParms,
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int& io_rCurrActionIndex );
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bool createFillAndStroke( const ::PolyPolygon& rPolyPoly,
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const CanvasSharedPtr& rCanvas,
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int rActionIndex,
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VectorOfOutDevStates& rStates );
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void skipContent( GDIMetaFile& rMtf,
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const char& rCommentString ) const;
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void createGradientAction( const ::PolyPolygon& rPoly,
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const ::Gradient& rGradient,
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::VirtualDevice& rVDev,
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const CanvasSharedPtr& rCanvas,
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VectorOfOutDevStates& rStates,
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const Parameters& rParms,
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int& io_rCurrActionIndex,
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bool bIsPolygonRectangle );
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// create text effects such as shadow/relief/embossed
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void createTextWithEffectsAction(
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const Point& rStartPoint,
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const String rString,
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int nIndex,
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int nLength,
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const long* pCharWidths,
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VirtualDevice& rVDev,
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const CanvasSharedPtr& rCanvas,
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VectorOfOutDevStates& rStates,
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const Parameters& rParms,
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int nCurrActionIndex );
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// create text draw actions and add text lines
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void createTextWithLinesAction(
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const Point& rStartPoint,
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const String rString,
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int nIndex,
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int nLength,
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const long* pCharWidths,
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VirtualDevice& rVDev,
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const CanvasSharedPtr& rCanvas,
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VectorOfOutDevStates& rStates,
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const Parameters& rParms,
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int nCurrActionIndex );
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// create text lines such as underline and strikeout
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void createJustTextLinesAction(
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const Point& rStartPoint,
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long nLineWidth,
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VirtualDevice& rVDev,
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const CanvasSharedPtr& rCanvas,
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VectorOfOutDevStates& rStates,
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const Parameters& rParms,
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int nCurrActionIndex );
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// prefetched and prepared canvas actions
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// (externally not visible)
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typedef ::std::vector< MtfAction > ActionVector;
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ActionVector maActions;
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};
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}
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}
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#endif /* _CPPCANVAS_IMPLRENDERER_HXX */
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