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/*
* $Revision: 2524 $
*
* last checkin:
* $Author: gutwenger $
* $Date: 2012-07-03 09:54:22 +0200 (Tue, 03 Jul 2012) $
***************************************************************/
/** \file
* \brief Declaration of upward planarization layout algorithm.
*
* \author Hoi-Ming Wong
*
* \par License:
* This file is part of the Open Graph Drawing Framework (OGDF).
*
* \par
* Copyright (C)<br>
* See README.txt in the root directory of the OGDF installation for details.
*
* \par
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 or 3 as published by the Free Software Foundation;
* see the file LICENSE.txt included in the packaging of this file
* for details.
*
* \par
* This program 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 General Public License for more details.
*
* \par
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* \see http://www.gnu.org/copyleft/gpl.html
***************************************************************/
#ifdef _MSC_VER
#pragma once
#endif
#ifndef OGDF_UPWARD_PLANARIZATION_LAYOUT_H
#define OGDF_UPWARD_PLANARIZATION_LAYOUT_H
#include <ogdf/module/LayoutModule.h>
#include <ogdf/module/HierarchyLayoutModule.h>
#include <ogdf/module/UpwardPlanarizerModule.h>
#include <ogdf/module/UPRLayoutModule.h>
#include <ogdf/basic/ModuleOption.h>
#include <ogdf/upward/UpwardPlanRep.h>
#include <ogdf/upward/LayerBasedUPRLayout.h>
#include <ogdf/upward/SubgraphUpwardPlanarizer.h>
namespace ogdf {
class UpwardPlanarizationLayout : public LayoutModule
{
public:
// constructor: sets options to default values
UpwardPlanarizationLayout()
{
m_cr_nr = 0;
// set default module
m_layout.set(new LayerBasedUPRLayout());
m_UpwardPlanarizer.set(new SubgraphUpwardPlanarizer());
}
// destructor
~UpwardPlanarizationLayout() { }
// calls the algorithm for attributed graph AG
// returns layout information in AG
void call(GraphAttributes &AG)
{
UpwardPlanRep UPR;
UPR.createEmpty(AG.constGraph());
m_UpwardPlanarizer.get().call(UPR);
m_layout.get().call(UPR, AG);
m_cr_nr = UPR.numberOfCrossings();
m_numLevels = m_layout.get().numberOfLevels;
}
// module option for the computation of the final layout
void setUPRLayout(UPRLayoutModule *pLayout) {
m_layout.set(pLayout);
}
void setUpwardPlanarizer(UpwardPlanarizerModule *pUpwardPlanarizer) {
m_UpwardPlanarizer.set(pUpwardPlanarizer);
}
// returns the number of crossings in the layout after the algorithm
// has been applied
int numberOfCrossings() const { return m_cr_nr; }
int numberOfLevels() const { return m_numLevels; }
protected:
int m_cr_nr;
int m_numLevels;
ModuleOption<UpwardPlanarizerModule> m_UpwardPlanarizer;
ModuleOption<UPRLayoutModule> m_layout;
};
}
#endif
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