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/*
* $Revision: 2523 $
*
* last checkin:
* $Author: gutwenger $
* $Date: 2012-07-02 20:59:27 +0200 (Mon, 02 Jul 2012) $
***************************************************************/
/** \file
* \brief Declaration of class GridLayoutMapped which extends GridLayout
* by a grid mapping mechanism.
*
* \author Carsten Gutwenger
*
* \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_GRID_LAYOUT_MAPPED_H
#define OGDF_GRID_LAYOUT_MAPPED_H
#include <ogdf/basic/GridLayout.h>
namespace ogdf {
class PlanRep;
class PlanRepUML;
class OrthoRep;
//---------------------------------------------------------
// GridLayoutMapped
// extends GridLayout by a grid mapping mechanism
//---------------------------------------------------------
class OGDF_EXPORT GridLayoutMapped : public GridLayout
{
//scaling to allow correct edge anchors
enum { cGridScale = 2 };
public:
// construction (determines mapping factor)
GridLayoutMapped(const PlanRep &PG,
const OrthoRep &OR,
double separation,
double cOverhang,
int fineness = 4);
// writes grid layout to layout using re-mapping
void remap(Layout &drawing);
// transforms real coordinates to grid coordinates
int toGrid(double x) const {
return cGridScale*int(m_fMapping * x + 0.5);
}
// transforms grid coordinates to real coordinates
double toDouble(int i) const {
return (i/cGridScale) / m_fMapping;
}
const NodeArray<int> &width() const { return m_gridWidth; }
// returns a reference to the array storing grid widths of nodes
NodeArray<int> &width() { return m_gridWidth; }
const NodeArray<int> &height() const { return m_gridHeight; }
// returns a reference to the array storing grid heights of nodes
NodeArray<int> &height() { return m_gridHeight; }
const int &width(node v) const { return m_gridWidth[v]; }
// returns grid width of node v
int &width(node v) { return m_gridWidth[v]; }
const int &height(node v) const { return m_gridWidth[v]; }
// returns grid height of node v
int &height(node v) { return m_gridWidth[v]; }
private:
NodeArray<int> m_gridWidth; // grid width of nodes
NodeArray<int> m_gridHeight; // grid heights of nodes
const PlanRep *m_pPG; // planarized representation of grid layout
double m_fMapping; // mapping factor
};
} // end namespace ogdf
#endif
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