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#include "pheatimpl.h"
//
PHeatImpl::PHeatImpl(int n, bool reldists, QWidget * parent, Qt::WFlags f)
: QMainWindow(parent, f) {
this->n=n;
this->reldists=reldists;
recmat=vector<vector<int> >(n,vector<int>(n,0));
priormat=vector<vector<double> >(n,vector<double>(n,0.0));
setupUi(this);
its=0;
if(reldists){ //rename some things for clarity if we are normalising by distance only
this->setWindowTitle(QString("Pairwise Recombination Rates: denominator is tmrca"));
}
}
void PHeatImpl::account(ParamQt * p)
{
param=p;
its++;
vector<vector<int> > trec=vector<vector<int> >(n,vector<int>(n,0));
vector<vector<double> > tprior;
if(reldists){tprior=p->pairwiseDistanceMatrix();
}else tprior=p->recPriorMatrix();
// get the total recombination distances and the number of sites we've considered
trec=p->recCountMatrix(false);
//update both of these matrices
for(unsigned int c1=0;c1<trec.size();c1++){
for(unsigned int c2=0;c2<trec[c1].size();c2++){
recmat[c1][c2]+=trec[c1][c2];
priormat[c1][c2]+=tprior[c1][c2];
}
}
}
void PHeatImpl::compute(int mode)
{
table->setRowCount(n+1);
table->setColumnCount(n+1);
double val;
for (int i=0;i<n;i++) {
table->setItem(i+1,0,new QTableWidgetItem(QString::number(i)));
table->setItem(0,i+1,new QTableWidgetItem(QString::number(i)));
}
table->setItem(0,0,new QTableWidgetItem(QString("Sequence")));
for (int i=0;i<n;i++) for (int j=0;j<n;j++) {
if(mode==1)val=(double)(recmat[i][j])/its;
else if(mode==2)val=priormat[i][j]/its/2.0;
else if(i==j) val=0.0;
else val=(double)(recmat[i][j])/priormat[i][j]/2.0;
table->setItem(i+1,j+1,new QTableWidgetItem(QString::number(val)));
}
}
void PHeatImpl::on_actionSave_as_activated() {
if (actionGraph->isChecked()==false) {
QString qstr = QFileDialog::getSaveFileName(this, tr("Save output file"),".","CSV files (*.csv);;All files (*)");
if (qstr==NULL) return;
QFile file(qstr);
if ( !file.open(QIODevice::WriteOnly)) return;
QTextStream ts( &file );
for (int i=0;i<table->rowCount();i++)
for (int j=0;j<table->columnCount();j++) {
if (table->item(i,j)!=NULL) ts<<table->item(i,j)->text();
if (j<table->columnCount()-1) ts<<","; else ts<<endl;
}
file.close();
} else {
QString qstr = QFileDialog::getSaveFileName(this, tr("Save picture file"),".",tr("Joint Photographic Experts Group (*.jpg *.jpeg);;Windows Bitmap (*.bmp);;Portable Network Graphics (*.png);;Portable Pixmap (*.ppm);;X11 Bitmap (*.xbm *.xpm);;PostScript Format (*.ps);;Abode PDF Format (*.pdf)"));
if (qstr==NULL) return;
if (qstr.endsWith("ps") || qstr.endsWith("pdf")) {
QPrinter qprint;
qprint.setOutputFileName(qstr);
qprint.setOrientation(QPrinter::Landscape);
drawGraph(&qprint);
return;
}
QImage image(width(),height(),QImage::Format_RGB32);
image.invertPixels();//Fill image in white
drawGraph(&image);
image.save(qstr);
}
}
void PHeatImpl::on_actionQuit_activated() {
close();
}
void PHeatImpl::on_actionTable_activated() {
actionTable->setChecked(true);
actionGraph->setChecked(false);
table->show();
repaint();
}
void PHeatImpl::on_actionGraph_activated() {
actionGraph->setChecked(true);
actionTable->setChecked(false);
table->hide();
repaint();
}
void PHeatImpl::paintEvent(QPaintEvent*) {
if (actionGraph->isChecked()) drawGraph(this);
}
void PHeatImpl::drawGraph(QPaintDevice * qpd) {
QPainter painter(qpd);
double sup=0.0;
for (int i=0;i<n;i++) for (int j=0;j<n;j++) sup=max(sup,abs(table->item(i+1,j+1)->text().toDouble()));
if (!action0->isChecked()) sup=5.0;
//Colorbar legend
double leg=1.0;
for (int i=0;i<11;i++) {
painter.drawText(width()*0.92,height()*(0.11+0.8*i/10),QString::number(leg*sup,'f',3));
leg-=0.2;
}
//YAxis labels
for (int i=0;i<n;i+=5) {
painter.drawText(0,height()*(0.1+0.8*i/n),width()*0.19,height()*0.8/n,Qt::AlignRight+Qt::AlignVCenter,QString::number(i));
painter.drawText(width()*(0.2+0.6*i/n),0,width()*0.8/n,height()*0.17,Qt::AlignCenter+Qt::AlignTop,QString::number(i));
}
painter.translate(width()/5.0,height()/10.0);
painter.scale(width()*0.6,height()*0.8);
for (int i=0;i<n;i++){
for (int j=0;j<n;j++) {
double l=table->item(i+1,j+1)->text().toDouble();
int gain=255*l*(l>0)/sup;
int loss=255*(-l)*(-l>0)/sup;
if (gain>255) gain=255;
if (loss>255) loss=255;
painter.fillRect(QRectF(1.0*j/n,1.0*i/n,1.0/n,1.0/n),QColor(255-loss,255-gain-loss,255-gain));
}
}
painter.drawRect(QRectF(0.0,0.0,1.0,1.0));
for (int i=0;i<n;i+=5) {painter.drawLine(QLineF(1.0*i/n,0.0,1.0*i/n,1.0));
painter.drawLine(QLineF(0.0,1.0*i/n,1.0,1.0*i/n));}
//Color bar
for (int i=-255;i<=255;i++) {
int gain= i*(i>0);
int loss=-i*(i<0);
painter.fillRect(QRectF(1.1,1.0-1.0*(255+i)/511,0.05,1.0/511),QColor(255-loss,255-gain-loss,255-gain));
}
painter.drawRect(QRectF(1.1,0.0,0.05,1.0));
}
void PHeatImpl::print(ostream* f_out)
{
for (int i=0;i<n+1;i++) {
for (int j=0;j<n;j++) *f_out<<table->item(i,j)->text().toStdString()<<",";
*f_out<<table->item(i,n-1)->text().toStdString()<<endl;
}
}
void PHeatImpl::on_menuPrior_correction_triggered(QAction * a)
{
if (a==action0) {action0->setChecked(true );action1->setChecked(false);action2->setChecked(false);compute(0);}
if (a==action1) {action0->setChecked(false);action1->setChecked(true );action2->setChecked(false);compute(1);}
if (a==action2) {action0->setChecked(false);action1->setChecked(false);action2->setChecked(true );compute(2);}
repaint();
}
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