883d95ea48
2005/10/11 15:42:27 thb 1.1.2.2: #i54170# Corrected license headers 2005/08/24 22:59:00 thb 1.1.2.1: #i52876# Initial revision: base class for common XCachedPrimitive handling
101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: cachedprimitivebase.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: kz $ $Date: 2005-11-02 13:40:01 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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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 2005 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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#ifndef _CPPCANVAS_CACHEDPRIMITIVEBASE_HXX
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#define _CPPCANVAS_CACHEDPRIMITIVEBASE_HXX
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <cppcanvas/canvas.hxx>
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#include <boost/utility.hpp>
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#include "action.hxx"
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namespace basegfx { class B2DHomMatrix; }
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/* Definition of internal::CachedPrimitiveBase class */
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namespace cppcanvas
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{
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namespace internal
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{
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/** Base class providing cached re-rendering, if XCanvas
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returns XCachedPrimitive
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Derive from this class and implement private render()
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method to perform the actual primitive rendering. Return
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cached primitive into given reference. Next time this
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class' public render() method gets called, the cached
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representation is taken.
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*/
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class CachedPrimitiveBase : public Action,
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private ::boost::noncopyable
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{
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public:
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/** Constructor
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@param rCanvas
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Canvas on which this primitive is to appear
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@param bOnlyRedrawWithSameTransform
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When true, this class only reuses the cached
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primitive, if the overall transformation stays the
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same. Otherwise, repaints are always performed via the
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cached primitive.
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*/
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CachedPrimitiveBase( const CanvasSharedPtr& rCanvas,
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bool bOnlyRedrawWithSameTransform );
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virtual ~CachedPrimitiveBase() {}
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
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private:
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virtual bool render( ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCachedPrimitive >& rCachedPrimitive,
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const ::basegfx::B2DHomMatrix& rTransformation ) const = 0;
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CanvasSharedPtr mpCanvas;
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mutable ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCachedPrimitive > mxCachedPrimitive;
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mutable ::basegfx::B2DHomMatrix maLastTransformation;
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const bool mbOnlyRedrawWithSameTransform;
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};
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}
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}
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#endif /*_CPPCANVAS_CACHEDPRIMITIVEBASE_HXX */
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