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/*
* $Revision: 3425 $
*
* last checkin:
* $Author: gutwenger $
* $Date: 2013-04-22 10:19:37 +0200 (Mon, 22 Apr 2013) $
***************************************************************/
/** \file
* \brief Splits and packs the components of a Graph.
*
* \author Gereon Bartel
*
* \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_COMPONENT_SPLITTER_LAYOUT_H
#define OGDF_COMPONENT_SPLITTER_LAYOUT_H
#include <ogdf/basic/ModuleOption.h>
#include <ogdf/internal/energybased/MultilevelGraph.h>
#include <ogdf/module/CCLayoutPackModule.h>
#include <ogdf/module/LayoutModule.h>
#include <ogdf/basic/geometry.h>
#include <ogdf/basic/GraphAttributes.h>
#include <vector>
namespace ogdf {
class OGDF_EXPORT ComponentSplitterLayout : public LayoutModule
{
private:
ModuleOption<LayoutModule> m_secondaryLayout;
ModuleOption<CCLayoutPackModule> m_packer;
// keeps a list of nodes for each connected component,
// up to date only in call method
Array<List<node> > nodesInCC;
int m_numberOfComponents;
double m_targetRatio;
int m_border;
//! Combines drawings of connected components to
//! a single drawing by rotating components and packing
//! the result (optimizes area of axis-parallel rectangle).
void reassembleDrawings(GraphAttributes &GA);
public:
ComponentSplitterLayout();
void call(GraphAttributes &GA);
void setLayoutModule(LayoutModule *layout) {
m_secondaryLayout.set(layout);
}
void setPacker(CCLayoutPackModule *packer) {
m_packer.set(packer);
}
};
} // namespace ogdf
#endif
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