void
TreeCanvas::print(void) {
QPrinter printer;
if (QPrintDialog(&printer, this).exec() == QDialog::Accepted) {
QMutexLocker locker(&mutex);
BoundingBox bb = root->getBoundingBox();
QRect pageRect = printer.pageRect();
double newXScale =
static_cast<double>(pageRect.width()) / (bb.right - bb.left +
Layout::extent);
double newYScale =
static_cast<double>(pageRect.height()) /
(root->getShape()->depth() * Layout::dist_y +
2*Layout::extent);
double printScale = std::min(newXScale, newYScale)*100;
if (printScale<1.0)
printScale = 1.0;
if (printScale > 400.0)
printScale = 400.0;
printScale = printScale / 100.0;
QPainter painter(&printer);
painter.setRenderHint(QPainter::Antialiasing);
painter.scale(printScale,printScale);
painter.translate(xtrans, 0);
QRect clip(0,0,0,0);
DrawingCursor dc(root, *na, curBest, painter, clip, showCopies);
PreorderNodeVisitor<DrawingCursor>(dc).run();
}
}
void plotWindow::print()
{
QPrinter printer;
printer.setOrientation(QPrinter::Landscape);
if (QPrintDialog(&printer).exec() == QDialog::Accepted)
{
QRectF sourceRect = plotdata.sceneRect();
QPainter painter(&printer);
painter.setRenderHint(QPainter::Antialiasing);
plotdata.render(&painter, QRectF(printer.pageRect()), sourceRect);
}
}
void GraphicsView::print()
{
QPrinter printer;
if (QPrintDialog(&printer).exec() == QDialog::Accepted) {
// printer自带的filedialog不能用, 原因未知, 所以手动加了一个
QString filename = QFileDialog::getSaveFileName(this,"filename",QString(),QString("pdf Files (*.pdf)"));
printer.setOutputFileName(filename);
QPainter painter(&printer);
painter.setRenderHint(QPainter::Antialiasing);
//开始打印
render(&painter);
}
}
void MainWindowImpl::printGame()
{
QPrinter printer(QPrinter::HighResolution);
printer.setPageSize(QPrinter::A4);
if (QPrintDialog(&printer).exec() == QDialog::Accepted)
{
QPainter painter(&printer);
painter.setRenderHint(QPainter::Antialiasing);
// arrggghhh! impl->gv->render( &painter, QRect(), QRect(QPoint(0,0),impl->gv->size()) );
// arrggghhh! impl->gv->render( &painter, QRect(), impl->gstate.scene()->sceneRect().toRect() );
impl->gv->render( &painter, QRect(), impl->gstate.board().pixmap().rect() );
// fixme: print properly when there's no background pixmap.
// fixme: offer scale-to-page option, but also allow multi-page print
// fixme: offer print scaling
}
}
