kformula/flake

FormulaRenderer.h

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00001 /* This file is part of the KDE project
00002    Copyright (C) 2006 Martin Pfeiffer <hubipete@gmx.net> 
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef FORMULARENDERER_H
00021 #define FORMULARENDERER_H
00022 
00023 #include <QPainter>
00024 #include "kformula_export.h"
00025 
00026 class AttributeManager;
00027 class BasicElement;
00028 
00049 class KOFORMULA_EXPORT FormulaRenderer {
00050 public:
00052     FormulaRenderer();
00053 
00055     ~FormulaRenderer();
00056 
00062     void paintElement( QPainter& p, BasicElement* element );
00063 
00068     void layoutElement( BasicElement* element );
00069 
00075     void update( QPainter& p, BasicElement* element );
00076 
00078     void updateElementLayout( BasicElement* element );
00079 
00080 private:
00081     double elementScaleFactor( BasicElement* element ) const;
00082 
00084     AttributeManager* m_attributeManager;
00085 
00087     BasicElement* m_dirtyElement;
00088 };
00089 
00090 #endif // FORMULARENDERER_H