bool QPlatformPrintDevice::isValidPageLayout(const QPageLayout &layout, int resolution) const
{
    // Check the page size is supported
    if (!supportedPageSize(layout.pageSize()).isValid())
        return false;

    // Check the margins are valid
    QMarginsF pointMargins = layout.margins(QPageLayout::Point);
    QMarginsF printMargins = printableMargins(layout.pageSize(), layout.orientation(), resolution);
    return pointMargins.left() >= printMargins.left()
           && pointMargins.right() >= printMargins.right()
           && pointMargins.top() >= printMargins.top()
           && pointMargins.bottom() >= printMargins.bottom();
}
Esempio n. 2
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QDebug operator<<(QDebug dbg, const QPageLayout &layout)
{
    QDebugStateSaver saver(dbg);
    if (layout.isValid()) {
        QString output = QStringLiteral("QPageLayout(%1, %2, l:%3 r:%4 t:%5 b:%6 %7)");
        QString units;
        switch (layout.units()) {
        case QPageLayout::Millimeter:
            units = QStringLiteral("mm");
            break;
        case QPageLayout::Point:
            units = QStringLiteral("pt");
            break;
        case QPageLayout::Inch:
            units = QStringLiteral("in");
            break;
        case QPageLayout::Pica:
            units = QStringLiteral("pc");
            break;
        case QPageLayout::Didot:
            units = QStringLiteral("DD");
            break;
        case QPageLayout::Cicero:
            units = QStringLiteral("CC");
            break;
        }
        output = output.arg(layout.pageSize().name())
                       .arg(layout.orientation() == QPageLayout::Portrait ? QStringLiteral("Portrait") : QStringLiteral("Landscape"))
                       .arg(layout.margins().left())
                       .arg(layout.margins().right())
                       .arg(layout.margins().top())
                       .arg(layout.margins().bottom())
                       .arg(units);
        dbg.nospace() << output;
    } else {
        dbg.nospace() << "QPageLayout()";
    }
    return dbg;
}