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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
*
* 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 "GradientManager.h"
using namespace std;
using namespace tlp;
GradientManager::GradientManager() :
beginColorRange(0), endColorRange(359), minSVal(0) {
}
GradientManager::~GradientManager() {
cleanAllGradients();
}
void GradientManager::cleanAllGradients() {
for (map<string, ColorScale*>::iterator it = colorScaleMap.begin(); it
!= colorScaleMap.end(); ++it) {
delete it->second;
}
colorScaleMap.clear();
}
void GradientManager::init(const std::vector<std::string>& properties) {
//Save old map in order to preserve user definition
cleanAllGradients();
if (properties.empty())
return;
int shift =
(int) floor(double((endColorRange - beginColorRange) / properties.size()));
pair<Color, Color> newColors;
newColors.first.setV(255);
newColors.first.setS(255);
newColors.second.setV(255);
newColors.second.setS(255);
for (unsigned int i = 0; i < properties.size(); ++i) {
//newColors.second.setS(minSVal);
newColors.first.setS(255);
newColors.first.setV(minSVal);
newColors.first.setH(beginColorRange + (i * shift));
newColors.second.setS(255);
newColors.second.setV(255);
newColors.second.setH(beginColorRange + (i * shift));
vector<Color> vc;
vc.push_back(newColors.first);
vc.push_back(newColors.second);
colorScaleMap[properties[i]] = new ColorScale();
colorScaleMap[properties[i]]->setColorScale(vc);
}
}
ColorScale *GradientManager::getColorScale(const std::string& propertyName) {
if (colorScaleMap.find(propertyName) != colorScaleMap.end()) {
return colorScaleMap[propertyName];
}
else
return NULL;
}
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