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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip 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 3
* of the License, or (at your option) any later version.
*
* Tulip 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.
*
*/
#include "Orientation.h"
#include "EdgeTools.h"
using namespace tlp;
//====================================================================
void setOrthogonalEdge(OrientableLayout* oriLayout,
const Graph* tree,
float interNodeDistance) {
Iterator<node>* itNode = tree->getNodes();
while (itNode->hasNext()) {
node currentNode = itNode->next();
OrientableCoord currentNodeCoord = oriLayout->getNodeValue(currentNode);
Iterator<edge>* itEdge = tree->getOutEdges(currentNode);
while (itEdge->hasNext())
addControlPoints(oriLayout, tree, currentNodeCoord,
itEdge->next(), interNodeDistance);
delete itEdge;
}
delete itNode;
}
//====================================================================
void addControlPoints(OrientableLayout* oriLayout,
const Graph* tree, OrientableCoord fatherCoord,
edge e, float interNodeDistance) {
node child = tree->target(e);
OrientableCoord childCoord = oriLayout->getNodeValue(child);
if (fatherCoord.getX() != childCoord.getX()) {
OrientableLayout::LineType newControlPoints;
float coordModifier = interNodeDistance / 2.f;
OrientableCoord coord = oriLayout->createCoord();
float coordY = fatherCoord.getY() + coordModifier;
coord.set(fatherCoord.getX(), coordY, 0);
newControlPoints.push_back(coord);
coord.set(childCoord.getX(), coordY, 0);
newControlPoints.push_back(coord);
oriLayout->setEdgeValue(e, newControlPoints);
}
}
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