| 541 |
541 |
|
| 542 |
542 |
QApplication::setOverrideCursor( Qt::BusyCursor );
|
| 543 |
543 |
|
| 544 |
|
if ( mComposition->printAsRaster() )
|
|
544 |
bool printAsRaster = mComposition->printAsRaster();
|
|
545 |
|
|
546 |
if ( printAsRaster )
|
| 545 |
547 |
{
|
| 546 |
548 |
//print out via QImage, code copied from on_mActionExportAsImage_activated
|
| 547 |
549 |
int width = ( int )( mComposition->printResolution() * mComposition->paperWidth() / 25.4 );
|
| 548 |
550 |
int height = ( int )( mComposition-> printResolution() * mComposition->paperHeight() / 25.4 );
|
| 549 |
551 |
QImage image( QSize( width, height ), QImage::Format_ARGB32 );
|
| 550 |
|
image.setDotsPerMeterX( mComposition->printResolution() / 25.4 * 1000 );
|
| 551 |
|
image.setDotsPerMeterY( mComposition->printResolution() / 25.4 * 1000 );
|
| 552 |
|
image.fill( 0 );
|
| 553 |
|
QPainter imagePainter( &image );
|
| 554 |
|
QRectF sourceArea( 0, 0, mComposition->paperWidth(), mComposition->paperHeight() );
|
| 555 |
|
QRectF targetArea( 0, 0, width, height );
|
| 556 |
|
mComposition->render( &imagePainter, targetArea, sourceArea );
|
| 557 |
|
imagePainter.end();
|
| 558 |
|
p.drawImage( targetArea, image, targetArea );
|
|
552 |
if ( !image.isNull() )
|
|
553 |
{
|
|
554 |
image.setDotsPerMeterX( mComposition->printResolution() / 25.4 * 1000 );
|
|
555 |
image.setDotsPerMeterY( mComposition->printResolution() / 25.4 * 1000 );
|
|
556 |
image.fill( 0 );
|
|
557 |
QPainter imagePainter( &image );
|
|
558 |
QRectF sourceArea( 0, 0, mComposition->paperWidth(), mComposition->paperHeight() );
|
|
559 |
QRectF targetArea( 0, 0, width, height );
|
|
560 |
mComposition->render( &imagePainter, targetArea, sourceArea );
|
|
561 |
imagePainter.end();
|
|
562 |
p.drawImage( targetArea, image, targetArea );
|
|
563 |
}
|
|
564 |
else
|
|
565 |
{
|
|
566 |
QApplication::restoreOverrideCursor();
|
|
567 |
int answer = QMessageBox::warning( 0,
|
|
568 |
tr( "Image too large" ),
|
|
569 |
tr( "Creation of image with %1x%2 pixels failed. Retry without 'Print As Raster'?" )
|
|
570 |
.arg( width ).arg( height ),
|
|
571 |
QMessageBox::Ok | QMessageBox::Cancel,
|
|
572 |
QMessageBox::Ok );
|
|
573 |
if ( answer == QMessageBox::Cancel )
|
|
574 |
{
|
|
575 |
mComposition->setPlotStyle( savedPlotStyle );
|
|
576 |
return;
|
|
577 |
}
|
|
578 |
|
|
579 |
QApplication::setOverrideCursor( Qt::BusyCursor );
|
|
580 |
printAsRaster = false;
|
|
581 |
}
|
| 559 |
582 |
}
|
| 560 |
|
else
|
|
583 |
|
|
584 |
if ( !printAsRaster )
|
| 561 |
585 |
{
|
| 562 |
586 |
//better in case of custom page size, but only possible with Qt>=4.4.0
|
| 563 |
587 |
QRectF paperRectMM = printer.pageRect( QPrinter::Millimeter );
|
| 564 |
588 |
QRectF paperRectPixel = printer.pageRect( QPrinter::DevicePixel );
|
| 565 |
589 |
mComposition->render( &p, paperRectPixel, paperRectMM );
|
| 566 |
590 |
}
|
|
591 |
|
| 567 |
592 |
mComposition->setPlotStyle( savedPlotStyle );
|
| 568 |
593 |
QApplication::restoreOverrideCursor();
|
| 569 |
594 |
}
|
| ... | ... | |
| 580 |
605 |
int height = ( int )( mComposition-> printResolution() * mComposition->paperHeight() / 25.4 );
|
| 581 |
606 |
|
| 582 |
607 |
int memuse = width * height * 3 / 1000000; // pixmap + image
|
| 583 |
|
QgsDebugMsg( QString( "Image %1 x %2" ).arg( width ).arg( height ) );
|
|
608 |
QgsDebugMsg( QString( "Image %1x%2" ).arg( width ).arg( height ) );
|
| 584 |
609 |
QgsDebugMsg( QString( "memuse = %1" ).arg( memuse ) );
|
| 585 |
610 |
|
| 586 |
|
if ( memuse > 200 ) // cca 4500 x 4500
|
|
611 |
if ( memuse > 200 ) // about 4500x4500
|
| 587 |
612 |
{
|
| 588 |
613 |
int answer = QMessageBox::warning( 0, tr( "Big image" ),
|
| 589 |
|
tr( "To create image %1 x %2 requires circa %3 MB of memory" )
|
|
614 |
tr( "To create image %1x%2 requires about %3 MB of memory. Proceed?" )
|
| 590 |
615 |
.arg( width ).arg( height ).arg( memuse ),
|
| 591 |
|
QMessageBox::Ok, QMessageBox::Abort );
|
|
616 |
QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Ok );
|
| 592 |
617 |
|
| 593 |
618 |
raise();
|
| 594 |
|
if ( answer == QMessageBox::Abort ) return;
|
|
619 |
if ( answer == QMessageBox::Cancel )
|
|
620 |
return;
|
| 595 |
621 |
}
|
| 596 |
622 |
|
| 597 |
623 |
// Get file and format (stolen from qgisapp.cpp but modified significantely)
|
| ... | ... | |
| 678 |
704 |
myQSettings.setValue( "/UI/lastSaveAsImageFormat", myFilterMap[myFilterString] );
|
| 679 |
705 |
myQSettings.setValue( "/UI/lastSaveAsImageFile", myOutputFileNameQString );
|
| 680 |
706 |
|
| 681 |
|
if ( myOutputFileNameQString == "" ) return;
|
|
707 |
if ( myOutputFileNameQString == "" )
|
|
708 |
return;
|
| 682 |
709 |
|
|
710 |
QImage image( QSize( width, height ), QImage::Format_ARGB32 );
|
|
711 |
if ( image.isNull() )
|
|
712 |
{
|
|
713 |
QMessageBox::warning( 0,
|
|
714 |
tr( "Image too big" ),
|
|
715 |
tr( "Creation of image with %1x%2 pixels failed. Export aborted." )
|
|
716 |
.arg( width ).arg( height ),
|
|
717 |
QMessageBox::Ok );
|
|
718 |
return;
|
|
719 |
}
|
|
720 |
|
| 683 |
721 |
mComposition->setPlotStyle( QgsComposition::Print );
|
| 684 |
722 |
mView->setScene( 0 );
|
| 685 |
|
|
| 686 |
|
QImage image( QSize( width, height ), QImage::Format_ARGB32 );
|
| 687 |
723 |
image.setDotsPerMeterX( mComposition->printResolution() / 25.4 * 1000 );
|
| 688 |
724 |
image.setDotsPerMeterY( mComposition->printResolution() / 25.4 * 1000 );
|
| 689 |
725 |
image.fill( 0 );
|