Esempio n. 1
0
void KGVDocument::print()
{
    if( !dsc() ) return;

    KPrinter printer;
    
    if( dsc()->isStructured() ) 
    {
	printer.setPageSelection( KPrinter::ApplicationSide );

	printer.setCurrentPage( _part->miniWidget()->displayOptions().page() + 1 );
	printer.setMinMax( 1, dsc()->page_count() );
	printer.setOption( "kde-range", 
	                    pageListToRange( _part->markList()->markList() ) );

	if( printer.setup( _part->widget(), i18n("Print %1").arg(_part->url().fileName()) ) ) 
	{
	    KTempFile tf( QString::null, ".ps" );
	    if( tf.status() == 0 ) 
	    {
		if ( printer.pageList().empty() ) { 
		    KMessageBox::sorry( 0,
			    i18n( "Printing failed because the list of "
				"pages to be printed was empty." ),
			    i18n( "Error Printing" ) );
		} else if ( savePages( tf.name(), printer.pageList() ) ) {
		    printer.printFiles( QStringList( tf.name() ), true );
		} else {
		    KMessageBox::error( 0, i18n( "<qt><strong>Printing failure:</strong><br>Could not convert to PostScript</qt>" ) );
		}
	    }
	    else 
	    {
	        // TODO: Proper error handling
	        ;
	    }
	}
    }
    else 
    {
	printer.setPageSelection( KPrinter::SystemSide );
	
	if( printer.setup( _part->widget(), i18n("Print %1").arg(_part->url().fileName()) ) )
	    printer.printFiles( _fileName );
    }
}
Esempio n. 2
0
bool KexiSimplePrintingCommand::print(const QString& aTitleText)
{
	KexiDB::Connection *conn = m_mainWin->project()->dbConnection();
	KexiDB::TableOrQuerySchema tableOrQuery(conn, m_objectId);
	if (!tableOrQuery.table() && !tableOrQuery.query()) {
//! @todo item not found
		return false;
	}
	QString titleText(aTitleText.stripWhiteSpace());
	if (titleText.isEmpty())
		titleText = tableOrQuery.captionOrName();

	KexiSimplePrintingEngine engine(m_settings, this);
	QString errorMessage;
	if (!engine.init(*conn, tableOrQuery, titleText, errorMessage)) {
		if (!errorMessage.isEmpty())
			KMessageBox::sorry(m_mainWin, errorMessage, i18n("Printing"));
		return false;
	}

	//setup printing
#ifdef Q_WS_WIN
	QPrinter printer(QPrinter::HighResolution);
	printer.setOrientation( m_settings.pageLayout.orientation == PG_PORTRAIT 
		? QPrinter::Portrait : QPrinter::Landscape );
	printer.setPageSize( 
		(QPrinter::PageSize)KoPageFormat::printerPageSize( m_settings.pageLayout.format ) );

	// "chicken-egg" problem: 
	// we cannot use real from/to values in setMinMax() and setFromTo() 
	// because page count is known after obtaining print settings
	printer.setFromTo(1,1);
#else
	KPrinter printer;
	printer.setOrientation( m_settings.pageLayout.orientation == PG_PORTRAIT 
		? KPrinter::Portrait : KPrinter::Landscape );
	printer.setPageSize( 
		(KPrinter::PageSize)KoPageFormat::printerPageSize( m_settings.pageLayout.format ) );
#endif

	printer.setFullPage(true);
	QString docName( titleText );
	printer.setDocName( docName );
	printer.setCreator(KEXI_APP_NAME);
	if ( !printer.setup( m_mainWin ) ) {
		return true;
	}

	// now we have final settings

//! @todo get printer.pageOrder() (for reversed order requires improved engine)
	QPainter painter;

	if (!painter.begin(&printer)) {
//! @todo msg
		return false;
	}
	engine.calculatePagesCount(painter);

	uint loops, loopsPerPage;
	QValueList<int> pagesToPrint;
	int fromPage = 0;
#ifdef Q_WS_WIN
	int toPage = 0;
	if (QPrinter::PageRange == printer.printRange()) {
		fromPage = printer.fromPage();
		toPage = printer.toPage();
	}
	if (fromPage==0 || toPage==0) {
		fromPage = 0;
		toPage = (int)engine.pagesCount()-1;
	}
	else {
		fromPage--;
		if (toPage > (int)engine.pagesCount())
			toPage = (int)engine.pagesCount();
		toPage--;
	}
	// win32 only supports one range, build the list
	for (int i = fromPage; i<=toPage; i++) {
		pagesToPrint.append(i);
	}
	// on win32 the OS does perform buffering (only when collation is off, each copy needs to be repeated)
	loops = 1;
	loopsPerPage = printer.collateCopies() ? 1 : printer.numCopies();
#else
	// on !win32 print QPrinter::numCopies() times (the OS does not perform buffering)
	pagesToPrint = printer.pageList();
	kdDebug() << pagesToPrint << endl;
	if (pagesToPrint.isEmpty()) {
		fromPage = 0;
		for (int i = 0; i<(int)engine.pagesCount(); i++) {
			pagesToPrint.append(i);
		}
	}
	else
		fromPage = pagesToPrint.first();
	if (printer.collate()==KPrinter::Collate) {
		//collation: p1, p2,..pn; p1, p2,..pn; ......; p1, p2,..pn
		loops = printer.numCopies();
		loopsPerPage = 1;
	}
	else {
		//no collation: p1, p1, ..., p1; p2, p2, ..., p2; ......; pn, pn,..pn
		loops = 1; 
		loopsPerPage = printer.numCopies();
	}
//! @todo also look at printer.pageSet() option : all/odd/even pages
#endif
	// now, total number of printed pages is printer.numCopies()*printer.pageList().count()

	kdDebug() << "printing..." << endl;
	bool firstPage = true;
	for (uint copy = 0;copy < loops; copy++) {
		kdDebug() << "copy " << (copy+1) << " of " << loops << endl;
		uint pageNumber = fromPage;
		QValueList<int>::ConstIterator pagesIt = pagesToPrint.constBegin();
		for(;(int)pageNumber == fromPage || !engine.eof(); ++pageNumber) {
			kdDebug() << "printing..." << endl;
			if (pagesIt == pagesToPrint.constEnd()) //no more pages to print
				break;
			if ((int)pageNumber < *pagesIt) { //skip pages without printing (needed for computation)
				engine.paintPage(pageNumber, painter, false);
				continue;
			}
			if (*pagesIt < (int)pageNumber) { //sanity
				++pagesIt;
				continue;
			}
			for (uint onePageCounter = 0; onePageCounter < loopsPerPage; onePageCounter++) {
				if (!firstPage)
					printer.newPage();
				else
					firstPage = false;
				kdDebug() << "page #" << pageNumber << endl;
				engine.paintPage(pageNumber, painter);
			}
			++pagesIt;
		}
	}
	kdDebug() << "end of printing." << endl;

	// stop painting, this will automatically send the print data to the printer
	if (!painter.end())
		return false;

	if (!engine.done())
		return false;

	return true;
}
Esempio n. 3
0
void TopLevel::printIt( KPrinter &printer, QPainter &painter )
{
  QPaintDeviceMetrics dm(painter.device());

  QApplication::setOverrideCursor( waitCursor );
  kapp->processEvents();

  const bool fullpage = printer.option(APP_KFAX_SCALE_FULLPAGE) == "true";
  const bool center_h = printer.option(APP_KFAX_CENTER_HORZ) == "true";
  const bool center_v = printer.option(APP_KFAX_CENTER_VERT) == "true";

  int currentpage = 0;
  bool first_page_printed = false;
  struct pagenode *pn;
  for(pn = firstpage; pn; pn = pn->next) {

    ++currentpage;
    // should this page be printed ?
    if (printer.pageList().findIndex(currentpage) < 0)
	continue;

    XImage *Image = Pimage(pn);
    if (!Image)
	continue;

    // byte-swapping the image
    QByteArray bytes( Image->height*Image->bytes_per_line );
    for (int y=Image->height-1; y>=0; --y) {
      Q_UINT32 offset  = y*Image->bytes_per_line;
      Q_UINT32 *source = (Q_UINT32 *) (Image->data + offset);
      Q_UINT32 *dest   = (Q_UINT32 *) (bytes.data() + offset);
      for (int x=(Image->bytes_per_line/4)-1; x>=0; --x) {
 	Q_UINT32 dv = 0, sv = *source;
	for (int bit=32; bit>0; --bit) {
		dv <<= 1;
		dv |= sv&1;
		sv >>= 1;
	}
        *dest = dv;
	++dest;
	++source;
      }
    }

    QImage image( (uchar *)bytes.data(), Image->bytes_per_line*8, Image->height, 1, NULL, 2, QImage::LittleEndian);

    if (first_page_printed)
	printer.newPage();
    first_page_printed = true;

    const QSize printersize( dm.width(), dm.height() );
    kdDebug() << "Printersize = " << printersize << endl;
    // print Image in original size if possible, else scale it.

    const QSize size(  // logical size of the image
			Image->width  * dm.logicalDpiX() / pn->dpiX,
			Image->height * dm.logicalDpiY() / pn->dpiY
		);

    kdDebug()	<< "Org image size = " << Image->width << "x" << Image->height 
		<< " logical picture res = " << pn->dpiX << "x" << pn->dpiY << endl;
    kdDebug()	<< "New image size = " << size 
		<< " logical printer res = " << dm.logicalDpiX() << "x" << dm.logicalDpiY() << endl;

    uint top, left, bottom, right;
    if (fullpage)
       top = left = bottom = right = 0;
    else
       printer.margins( &top, &left, &bottom, &right );
    kdDebug() << "Margins = " << top << " " << left << " " << bottom << " " << right << endl;

    const QSize maxSize( printersize.width()-left-right, printersize.height()-top-bottom );
    QSize scaledImageSize = size;
    if (size.width() > maxSize.width() || size.height() > maxSize.height() ) {
	// Image does not fit - scale it and print centered
	scaledImageSize.scale( maxSize, QSize::ScaleMin );
	kdDebug() << "Image does not fit - scaling to " << maxSize << endl;
    } else {
	// Image does fit - print it in original size, but centered
	scaledImageSize.scale( size, QSize::ScaleMin );
	kdDebug() << "Image does fit - scaling to " << size << endl;
    }
    kdDebug() << "Final image size " << scaledImageSize << endl;
    int x,y;
    if (center_h)
	x = (maxSize.width()-scaledImageSize.width())/2 + left;
    else
	x = left;
    if (center_v)
	y = (maxSize.height()-scaledImageSize.height())/2 + top;
    else
	y = top;
    painter.drawImage( QRect(x,y,scaledImageSize.width(), scaledImageSize.height()), image );

  }

  QApplication::restoreOverrideCursor();
}