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/**
*
* This file is part of Tulip (https://tulip.labri.fr)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* 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 <tulip/PropertyAlgorithm.h>
#include <tulip/LayoutProperty.h>
static const char *paramHelp[] = {
// initial layout
"The layout property from which a perfect aspect ratio has to be computed.",
// subgraph only
"When applied on a subgraph, scales only the layout of this subgraph"};
class PerfectLayout : public tlp::LayoutAlgorithm {
public:
PLUGININFORMATION("Perfect aspect ratio", "Tulip team", "09/19/2010",
"Scales the graph layout to get an aspect ratio of 1.", "1.3", "")
PerfectLayout(const tlp::PluginContext *context) : LayoutAlgorithm(context) {
addInParameter<tlp::LayoutProperty>("initial layout", paramHelp[0], "viewLayout", false);
addInParameter<bool>("subgraph only", paramHelp[1], "false");
}
bool run() override {
tlp::LayoutProperty *layout = nullptr;
bool subgraphOnly(false);
if (dataSet != nullptr) {
dataSet->get("initial layout", layout);
dataSet->get("subgraph only", subgraphOnly);
}
if (!layout)
layout = graph->getProperty<tlp::LayoutProperty>("viewLayout");
result->copy(layout);
result->perfectAspectRatio(subgraphOnly ? graph : nullptr);
return true;
}
};
PLUGIN(PerfectLayout)
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