FileItem::FileItem(const QString & name, const QString & path ) :
QTreeWidgetItem( QStringList( name ), TypeFileItem ),
m_path( path )
{
determineFileType();
initPixmaps();
}
void MainWindow::saveImage(const QString &fileName)
{
canvas->unselectAll();
FileType fileType = determineFileType(fileName);
QSize imageDimension(canvas->sceneRect().width(), canvas->sceneRect().height());
QPainter *painter = new QPainter();
QPrinter *printer = new QPrinter();
printer->setPaperSize(5.0*imageDimension, QPrinter::Point);
printer->setFullPage(true);
printer->setOutputFileName(fileName);
// The vector graphics formats still seem to rasterize radial gradients, so I
// use antialiasing to keep them looking pretty
if(fileType == SVG){
QSvgGenerator *svgGen = new QSvgGenerator();
svgGen->setSize(5.0*imageDimension);
svgGen->setFileName(fileName);
painter->begin(svgGen);
painter->setRenderHint(QPainter::SmoothPixmapTransform, true);
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setRenderHint(QPainter::HighQualityAntialiasing, true);
canvas->render(painter);
painter->end();
delete svgGen;
}else if(fileType == PNG || fileType == TIFF){
QImage *image = new QImage(5.0*imageDimension, QImage::Format_ARGB32);
painter->begin(image);
painter->setRenderHint(QPainter::SmoothPixmapTransform, true);
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setRenderHint(QPainter::HighQualityAntialiasing, true);
canvas->render(painter);
painter->end();
image->save(fileName);
delete image;
}else if(fileType == PDF){
printer->setOutputFormat(QPrinter::PdfFormat);
painter->begin(printer);
painter->setRenderHint(QPainter::SmoothPixmapTransform, true);
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setRenderHint(QPainter::HighQualityAntialiasing, true);
canvas->render(painter);
painter->end();
}else if(fileType == PostScript){
printer->setOutputFormat(QPrinter::PostScriptFormat);
painter->begin(printer);
painter->setRenderHint(QPainter::SmoothPixmapTransform, true);
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setRenderHint(QPainter::HighQualityAntialiasing, true);
canvas->render(painter);
painter->end();
}else{
QString message("Unsupported file type:\n\n");
message += fileName;
message += "\n\nSupported extensions are\n.pdf, .svg, .ps, .eps, .png, .tiff, .tif, .chmvp";
error(message, __FILE__, __LINE__);
return;
}
delete painter;
delete printer;
}
