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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 "ConvolutionClusteringSetup.h"
#include "ui_ConvolutionClusteringSetup.h"
#include "ConvolutionClustering.h"
#include <QPainter>
using namespace std;
namespace tlp {
class HistogramWidget : public QWidget {
public:
HistogramWidget(ConvolutionClusteringSetup *dialog, QWidget *parent)
: QWidget(parent), setupDialog(dialog) {
}
void paintEvent(QPaintEvent *) {
QPainter painter(this);
vector<double> &histogram = *(setupDialog->getPlugin()->getHistogram());
if (histogram.size() < 1) {
setupDialog->abort();
return;
}
double theMax,theMin;
theMax = histogram[0];
theMin = histogram[0];
for (unsigned int i=1; i<histogram.size(); ++i) {
if (theMax < histogram[i]) theMax = histogram[i];
if (theMin > histogram[i]) theMin = histogram[i];
}
if (setupDialog->getLogarithmicScale()) {
theMax = log10(theMax + 1.0);
theMin = log10(theMin + 1.0);
}
//compute axis position
QFont f( "times", 12, QFont::Bold );
painter.setFont( f );
painter.setPen( Qt::black );
//les 20 de plus permetront de placer des l�gendes sur les axes.
double scale = double(histogram.size())/64.0;
int legendWidth = (int)(20.0*scale);
int borderWidth = (int)(10.0*scale);
int axisWidth = (int)(15.0*scale);
painter.setWindow( 0, 0, 2*histogram.size()+legendWidth, histogram.size()+legendWidth ); // defines coordinate system
painter.fillRect(0, 0,
2*histogram.size()+legendWidth, histogram.size()+legendWidth ,
QBrush(QColor(255,255,255)));
// draw bars
QColor c;
double histoScale = double(histogram.size()) / theMax;
for (unsigned int i=0; i<histogram.size(); i++ ) {
c.setHsv( (int) ((double)i*360.0/(double)histogram.size()) , 255, 255 );
painter.setBrush( c );
int height;
if (setupDialog->getLogarithmicScale())
height = (int)(log10(1.0 + double(histogram[i])) *histoScale );
else
height = (int)(double(histogram[i]) * histoScale);
if (height < 1) height = 1;
painter.drawRect( borderWidth+i*2, borderWidth + 1 + histogram.size() - height,
2, height );
}
//draw axis
painter.drawLine(borderWidth, borderWidth, borderWidth,
histogram.size()+borderWidth);
painter.drawLine(borderWidth, histogram.size()+borderWidth,
2*histogram.size()+axisWidth, histogram.size()+borderWidth);
c.setHsv( 359 , 255, 255 );
//draw local minimum
list<int> localMinimum=setupDialog->getPlugin()->getLocalMinimum();
while (!localMinimum.empty()) {
int i=localMinimum.front();
localMinimum.pop_front();
painter.drawLine(borderWidth+i*2, borderWidth,
borderWidth+i*2, histogram.size()+borderWidth);
}
}
private:
ConvolutionClusteringSetup *setupDialog;
};
ConvolutionClusteringSetup::ConvolutionClusteringSetup( ConvolutionClustering *convolPlugin, QWidget* parent)
: QDialog( parent), _ui(new Ui::ConvolutionClusteringSetupData), convolPlugin(convolPlugin), useLogarithmicScale(false) {
_ui->setupUi(this);
histogramWidget = new HistogramWidget(this, _ui->Frame3);
QGridLayout *flayout = new QGridLayout(_ui->Frame3);
flayout->setMargin(1);
flayout->addWidget(histogramWidget, 0, 0);
int a,b,c;
convolPlugin->getParameters(a,b,c);
_ui->widthSlider->setMinimum(1);
_ui->widthSlider->setMaximum(a);
_ui->widthSlider->setValue(c);
_ui->discretizationSlider->setMinimum(1);
_ui->discretizationSlider->setMaximum(2*a);
_ui->discretizationSlider->setValue(a);
}
ConvolutionClusteringSetup::~ConvolutionClusteringSetup() {
delete _ui;
}
/*
* public slot
*/
void ConvolutionClusteringSetup::setlog(bool b) {
useLogarithmicScale=b;
update();
}
void ConvolutionClusteringSetup::update() {
_ui->widthSlider->setMaximum(std::max(_ui->discretizationSlider->value() / 2, 1));
convolPlugin->setParameters(_ui->discretizationSlider->value(),0,_ui->widthSlider->value());
if (histogramWidget)
histogramWidget->update();
QDialog::update();
}
}
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