C++ QPrintDialog::printer方法代码示例

/*!
 * \fn FormSimularCuotas::imprimir()
 * Imprime el listado de cuotas tal cual se ingresaron en los datos.
 */
void FormSimularCuotas::imprimir()
{
    this->generaReporte();
    QPrinter *impresora = new QPrinter( QPrinterInfo::defaultPrinter() );
    QPrintDialog *pd = new QPrintDialog( impresora );
    if( pd->exec() == QDialog::Accepted ) {
        documento->print( pd->printer() );
    }
    delete impresora;
    delete pd;
}

void MainWindow::printFile()
{
  GRPrintPagesDlg pagesdlg;
  if ( pagesdlg.exec() != QDialog::Accepted )
    return;

  int rows = pagesdlg.rows();
  int columns = pagesdlg.columns();

  QPrintDialog pr;
  if ( pr.exec() == QDialog::Accepted )
  {
    QPrinter *qp = pr.printer();

    int pwidth = qp->pageRect().width();
    int pheight = qp->pageRect().height();

    int npages = rows * columns;

    int gwidth = columns * pwidth, gheight = rows * pheight;

    QImage img(gwidth, gheight, QImage::Format_RGB444);

    if ( img.isNull() )
      return;

    // render graph

    QPainter gpaint;
    gpaint.begin(&img);

    gpaint.fillRect(img.rect(), Qt::white);

    QFont f("courier", 12);
    gpaint.setFont(f);

    QRect text_rect = gpaint.fontMetrics().boundingRect(G_title);
    int x = (gwidth - text_rect.width()) / 2;
    gpaint.drawText(x, text_rect.height(), G_title);

    PaintStruct ps;
    ps.p = &gpaint;
    ps.border = 60;
    set_drawing_rectangle(gwidth-120, gheight-120);
    display_complete_graph();
    draw_graph(draw_line, draw_rect, draw_poly, &ps);

    gpaint.end();

    // copy to pages

    QPainter prpaint;
    prpaint.begin(qp);

    QRect src;
    QRect dst(0, 0, pwidth, pheight);
    for ( int page = 0, col = 0, row = 0; page < npages; ++page )
    {
      src.setLeft(col*pwidth);
      src.setTop(row*pheight);
      src.setWidth(pwidth);
      src.setHeight(pheight);
      prpaint.drawImage(QPoint(0, 0), img, src);

      // next
      if ( page < npages - 1 )
        qp->newPage();

      if ( col < columns - 1 )
        ++col;
      else
      {
        ++row;
        col = 0;
      }
    }

    prpaint.end();

    //this will reset the drawing rectangle to the canvas values
    canvas->viewport()->repaint();
    display_complete_graph();
  }
}

bool ChequePrinter::print()
{
    // 0. Amount to readable string
    QString amount;
    QStringList vals = Utils::doubleToHumanReadableString(d->_amount);
    if (vals.count() == 0) {
        LOG_ERROR_FOR("ChecquePrinter", "Wrong amount to string values");
    } else {
        amount = vals.at(0) + " " + QLocale().currencySymbol(QLocale::CurrencyDisplayName) + "s";
        if (vals.count() == 2)
            amount += QString(" %1 %2").arg(tkTr(Trans::Constants::AND)).arg(vals.at(1));
    }

    // Method 1. use pdkcompleter
//    Internal::PdfTkWrapper *pdftk = Internal::PdfTkWrapper::instance();
//    if (!pdftk->initialize())
//        return false;
//    pdftk->beginFdfEncoding();
//    pdftk->addFdfValue("date", QLocale().toString(d->_date, QLocale::ShortFormat));
//    pdftk->addFdfValue("lieu", d->_place);
//    pdftk->addFdfValue("ordre", d->_order);

//    pdftk->addFdfValue("montant1", lines.at(0));
//    if (lines.count() >= 2)
//        pdftk->addFdfValue("montant2", lines.at(1));

//    // Amount to translated number
//    QSystemLocale::CurrencyToStringArgument arg;
//    arg.value = d->_amount;
//    QVariant var;
//    var.setValue<QSystemLocale::CurrencyToStringArgument>(arg);
//    pdftk->addFdfValue("num", QString::number(d->_amount, 'f', 2)); //QSystemLocale().query(QSystemLocale::CurrencyToString, var).toString());

//    QString filename = "/Users/eric/Desktop/cheque.pdf";
//    pdftk->endFdfEncoding(filename);
//    pdftk->fillPdfWithFdf(filename, pdftk->getFdfContent(), "/Users/eric/Desktop/test_cheque.pdf", "ISO-8859-1");

//    return true;

    // Method 2. use QPainter/QPrinter
    // try to use the default printer
    QPrintDialog dlg;
    if (dlg.exec()==QDialog::Rejected)
        return false;
    QPrinter *printer = dlg.printer();
//    printer->setPaperSource(QPrinter::PaperSource);
    printer->setFullPage(true);
    printer->setPaperSize(QPrinter::A4);
    printer->setResolution(150);
    printer->setOrientation(QPrinter::Landscape);
    d->_axisHelper.setPageSize(printer->paperRect(), printer->paperSize(QPrinter::Millimeter));

    QPainter painter;
    if (!painter.begin(printer)) { // failed to open file
        qWarning("failed to open file, is it writable?");
        return false;
    }

    painter.save();
    QFont font;
    font.setPointSize(10);
    painter.setFont(font);

    painter.translate(d->_axisHelper.pointToPixels(120, 61));
    // 25,17 pour certains
    // 45,13 pour d'autres
    QRectF amountLines(d->_axisHelper.pointToPixels(45,13), d->_axisHelper.sizeToPixels(90, 10));
    // QRect amountLine2(d->_axisHelper.pointToPixels(10,23), d->size(110, 5));
    QRectF orderLine(d->_axisHelper.pointToPixels(10,28), d->_axisHelper.sizeToPixels(110, 5));

    QRectF numberLine(d->_axisHelper.pointToPixels(133,28), d->_axisHelper.sizeToPixels(41, 10));
    QRectF placeLine(d->_axisHelper.pointToPixels(133,38), d->_axisHelper.sizeToPixels(40, 4));
    QRectF dateLine(d->_axisHelper.pointToPixels(133,42), d->_axisHelper.sizeToPixels(40, 4));

    if (DrawChequeRects) {
        painter.drawRect(amountLines);
        painter.drawRect(orderLine);
        painter.drawRect(numberLine);
        painter.drawRect(placeLine);
        painter.drawRect(dateLine);
    }

    if (amount.count() > 50)
        amount = Utils::lineWrapString(amount, 50);
    amount = QString("****%1****").arg(amount.toUpper());

    QFontMetrics metrics(font);
    while (metrics.width(amount) > amountLines.width() || font.pointSize() == 6) {
        font.setPointSizeF(font.pointSizeF() - .1);
        metrics = QFontMetrics(font);
    }
    painter.setFont(font);
    painter.drawText(amountLines, Qt::AlignLeft, amount);
    font.setPointSize(10);
    painter.setFont(font);

//    QStringList lines = amount.split("\n", QString::SkipEmptyParts);
//    painter.drawText(amountLine1, Qt::AlignLeft | Qt::AlignVCenter, lines.at(0));
//    if (lines.count() >= 2)
//        painter.drawText(amountLine2, Qt::AlignLeft | Qt::AlignVCenter, lines.at(1));
//.........这里部分代码省略.........