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/*
* vim: ts=4 sw=4 et tw=0 wm=0
*
* libcola - A library providing force-directed network layout using the
* stress-majorization method subject to separation constraints.
*
* Copyright (C) 2006-2008 Monash University
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* See the file LICENSE.LGPL distributed with the library.
*
* This library 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.
*
*/
#ifndef CONNECTED_COMPONENTS_H
#define CONNECTED_COMPONENTS_H
#include "libcola/cola.h"
#include <vector>
namespace cola {
// a graph component with a list of node_ids giving indices for some larger list of nodes
// for the nodes in this component,
// and a list of edges - node indices relative to this component
class Component {
public:
std::vector<unsigned> node_ids;
std::vector<vpsc::Rectangle*> rects;
std::vector<cola::Edge> edges;
//CompoundConstraints cx, cy;
~Component();
void moveRectangles(double x, double y);
vpsc::Rectangle* getBoundingBox();
};
// for a graph of n nodes, return connected components
void connectedComponents(
const std::vector<vpsc::Rectangle*> &rs,
const std::vector<cola::Edge> &es,
//const CompoundConstraints &cx,
//const CompoundConstraints &cy,
std::vector<Component*> &components);
// move the contents of each component so that the components do not
// overlap.
void separateComponents(const std::vector<Component*> &components);
} // namespace cola
#endif // CONNECTED_COMPONENTS_H
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