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 ); } }
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; }
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(); }