//-----------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------
void HistogramItem::mousePressEvent (QMouseEvent *event) {
event->accept();
if (event->button() == Qt::RightButton) {
// int w = this->width();
// int h = this->height();
int w = 512;
int h = 512;
QPixmap pixmap(w, h);
pixmap.fill(Qt::white); // Qt::transparent ?
QwtPlotPrintFilter filter;
int options = QwtPlotPrintFilter::PrintAll;
options &= ~QwtPlotPrintFilter::PrintBackground;
options |= QwtPlotPrintFilter::PrintFrameWithScales;
filter.setOptions(options);
// this->print(pixmap, filter);
// QString fileName = getImageFile();
QString fileName = QFileDialog::getSaveFileName(0,"Select image file", ".",
"Image files (*.png *.jpg *.tif *.bmp)");
if (fileName.isEmpty()) {
return;
}
pixmap.save(fileName,0,-1);
}
}
//-----------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------
void Plot::mousePressEvent (QMouseEvent *event) {
event->accept();
if (event->button() == Qt::RightButton) {
int w = this->width();
int h = this->height();
QPixmap pixmap(w, h);
pixmap.fill(Qt::white);
QwtPlotPrintFilter filter;
int options = QwtPlotPrintFilter::PrintAll;
options &= ~QwtPlotPrintFilter::PrintBackground;
options |= QwtPlotPrintFilter::PrintFrameWithScales;
filter.setOptions(options);
this->print(pixmap, filter);
QString fileName = getImageFile();
if (fileName.isEmpty()) {
return;
}
pixmap.save(fileName,0,-1);
// Testing conversion to QImage, for qvideooutput
QImage image = pixmap.toImage();
}
}
QPixmap MultiLayer::canvasPixmap()
{
QSize size=canvas->size();
QPixmap pic(size.width(), size.height(), -1, QPixmap::BestOptim);
pic.fill (Qt::white);
QPainter paint;
paint.begin(&pic);
QwtPlotPrintFilter filter;
filter.setOptions(QwtPlotPrintFilter::PrintAll | QwtPlotPrintFilter::PrintTitle |
QwtPlotPrintFilter::PrintCanvasBackground);
for (int i=0;i<(int)graphsList->count();i++)
{
Graph *gr=(Graph *)graphsList->at(i);
Plot *myPlot= gr->plotWidget();
int lw = myPlot->lineWidth();
QRect rect = QRect(gr->x() + lw, gr->y() + lw, myPlot->width() - 2*lw,
myPlot->height() - 2*lw);
if (myPlot->paletteBackgroundColor() != QColor(white))
paint.fillRect(rect, myPlot->paletteBackgroundColor());
myPlot->print(&paint, rect, filter);
if (lw > 0)
myPlot->printFrame(&paint, rect);
}
paint.end();
return pic;
}
void ProRataGraphPane::print()
{
if ( !(qtwGraphTab->currentWidget()) )
{
return ;
}
/*
QString qsSaveFileName = QFileDialog::getSaveFileName(
this,
"ProRata - Choose a file name to save",
".",
"Images (*.png *.jpg)");
if (qsSaveFileName.isEmpty())
{
return;
}
*/
ProRataGraph *clickedGraph = (ProRataGraph *)qtwGraphTab->currentWidget();
QPrinter printer;
//printer.setOutputToFile(true);
//printer.setOutputFileName(qsSaveFileName);
printer.setDocName(QString("ProRata_Graph"));
printer.setCreator("ProRata Graph");
printer.setOrientation(QPrinter::Landscape);
QPrintDialog dialog(&printer);
if ( dialog.exec() )
{
QwtPlotPrintFilter filter;
if ( printer.colorMode() == QPrinter::GrayScale )
{
filter.setOptions(QwtPlotPrintFilter::PrintAll
& ~QwtPlotPrintFilter::PrintCanvasBackground);
}
clickedGraph->print( printer, filter );
}
/*
//QPixmap *qpPic = new QPixmap( qsSaveFileName );
//QPainter * qpntrPainter = new QPainter( qpPic );
QPixmap qpPic( qsSaveFileName );
qpPic.save( qsSaveFileName );
//QPainter * qpntrPainter = new QPainter( qpPic );
//clickedGraph->print( qpntrPainter, clickedGraph->frameGeometry() );
clickedGraph->print( qpPic );
*/
//QMessageBox::information( this, "Printing done.", QString( "Saved \"") + qsSaveFileName + QString( "\"" ) );
}
void Data_analysis_gui::save_as_image( const QString& filename,
const QString& format,
bool show_stats, bool show_grid ) {
// get a file name and the name of the filter to use to save the image.
// 3 filters are available: PNG, BMP, and Postscript. Postscript is not
// available on Windows (Qt limitation).
// Create a blank image of the correct dimensions
int extra_width = 15;
int min_height = 0;
if( show_stats ) {
extra_width = 200;
min_height = 250;
}
QSize total_size( plot_->size().width() + extra_width,
std::max( min_height, plot_->size().height()+10 ) );
QPixmap pix( total_size );
pix.fill();
QPainter painter( &pix );
// draw the content of the plot
QwtPlotPrintFilter filter;
if( show_grid )
filter.setOptions( QwtPlotPrintFilter::PrintTitle | QwtPlotPrintFilter::PrintGrid );
else
filter.setOptions( QwtPlotPrintFilter::PrintTitle );
QRect rect = plot_->rect();
rect.setY( rect.y() + 10 );
plot_->print( &painter, rect, filter );
// Add the summary statistics to the image if requested
if( show_stats ) {
QFont font = plot_->axisFont( QwtPlot::xBottom );
painter.setFont( font );
int text_y_start = std::max( 40, total_size.height()/2 - 100 );
painter.translate( plot_->size().width()+15 , text_y_start );
paint_stats( painter );
}
// Finally, save the pixmap in the required format
if( format == "Postscript" || format == "PS" ) {
/*
#if defined(WIN32) || defined(_WIN32)
if (show_stats)
build_stats();
SimplePs ps(filename,plot_, _stats,show_stats);
if (!ps.isopen()){
QMessageBox::warning(this,"Unable to save file",
"Failed to save ps file",QMessageBox::Ok,
Qt::NoButton);
return;
}
savePostScript(ps);
#else
*/
QPrinter printer;
printer.setOutputFormat(QPrinter::PostScriptFormat);
printer.setOutputFileName( filename );
printer.setPageSize( QPrinter::A6 );
printer.setFullPage( true );
printer.setOrientation( QPrinter::Landscape );
plot_->print(printer, filter);
QPainter P(&printer);
//P.begin(&printer);
//paint_stats(P);
P.drawPixmap(QPoint(0,0),pix);
//#endif
}
else {
QByteArray tmp = format.toLatin1();
pix.save( filename, tmp.constData() );
}
}
