diff options
Diffstat (limited to 'src/gui/painting/qpdf.cpp')
-rw-r--r-- | src/gui/painting/qpdf.cpp | 177 |
1 files changed, 137 insertions, 40 deletions
diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp index f560e1f0f0..de9fc13331 100644 --- a/src/gui/painting/qpdf.cpp +++ b/src/gui/painting/qpdf.cpp @@ -439,8 +439,8 @@ QByteArray QPdf::generateDashes(const QPen &pen) static const char* const pattern_for_brush[] = { - 0, // NoBrush - 0, // SolidPattern + nullptr, // NoBrush + nullptr, // SolidPattern "0 J\n" "6 w\n" "[] 0 d\n" @@ -637,7 +637,7 @@ static void cubicToHook(qfixed c1x, qfixed c1y, } QPdf::Stroker::Stroker() - : stream(0), + : stream(nullptr), first(true), dashStroker(&basicStroker) { @@ -652,7 +652,7 @@ QPdf::Stroker::Stroker() void QPdf::Stroker::setPen(const QPen &pen, QPainter::RenderHints hints) { if (pen.style() == Qt::NoPen) { - stroker = 0; + stroker = nullptr; return; } qreal w = pen.widthF(); @@ -1390,6 +1390,18 @@ void QPdfEngine::setPdfVersion(PdfVersion version) d->pdfVersion = version; } +void QPdfEngine::setDocumentXmpMetadata(const QByteArray &xmpMetadata) +{ + Q_D(QPdfEngine); + d->xmpDocumentMetadata = xmpMetadata; +} + +QByteArray QPdfEngine::documentXmpMetadata() const +{ + Q_D(const QPdfEngine); + return d->xmpDocumentMetadata; +} + void QPdfEngine::setPageLayout(const QPageLayout &pageLayout) { Q_D(QPdfEngine); @@ -1469,7 +1481,7 @@ int QPdfEngine::metric(QPaintDevice::PaintDeviceMetric metricType) const QPdfEnginePrivate::QPdfEnginePrivate() : clipEnabled(false), allClipped(false), hasPen(true), hasBrush(false), simplePen(false), pdfVersion(QPdfEngine::Version_1_4), - outDevice(0), ownsDevice(false), + outDevice(nullptr), ownsDevice(false), embedFonts(true), grayscale(false), m_pageLayout(QPageSize(QPageSize::A4), QPageLayout::Portrait, QMarginsF(10, 10, 10, 10)) @@ -1477,8 +1489,8 @@ QPdfEnginePrivate::QPdfEnginePrivate() initResources(); resolution = 1200; currentObject = 1; - currentPage = 0; - stroker.stream = 0; + currentPage = nullptr; + stroker.stream = nullptr; streampos = 0; @@ -1520,6 +1532,8 @@ bool QPdfEngine::begin(QPaintDevice *pdev) d->xrefPositions.clear(); d->pageRoot = 0; + d->embeddedfilesRoot = 0; + d->namesRoot = 0; d->catalog = 0; d->info = 0; d->graphicsState = 0; @@ -1547,18 +1561,26 @@ bool QPdfEngine::end() qDeleteAll(d->fonts); d->fonts.clear(); delete d->currentPage; - d->currentPage = 0; + d->currentPage = nullptr; if (d->outDevice && d->ownsDevice) { d->outDevice->close(); delete d->outDevice; - d->outDevice = 0; + d->outDevice = nullptr; } + d->fileCache.clear(); + setActive(false); return true; } +void QPdfEngine::addFileAttachment(const QString &fileName, const QByteArray &data, const QString &mimeType) +{ + Q_D(QPdfEngine); + d->fileCache.push_back({fileName, data, mimeType}); +} + QPdfEnginePrivate::~QPdfEnginePrivate() { qDeleteAll(fonts); @@ -1586,13 +1608,19 @@ void QPdfEnginePrivate::writeHeader() int metaDataObj = -1; int outputIntentObj = -1; + if (pdfVersion == QPdfEngine::Version_A1b || !xmpDocumentMetadata.isEmpty()) { + metaDataObj = writeXmpDcumentMetaData(); + } if (pdfVersion == QPdfEngine::Version_A1b) { - metaDataObj = writeXmpMetaData(); outputIntentObj = writeOutputIntent(); } catalog = addXrefEntry(-1); pageRoot = requestObject(); + if (!fileCache.isEmpty()) { + namesRoot = requestObject(); + embeddedfilesRoot = requestObject(); + } // catalog { @@ -1602,10 +1630,15 @@ void QPdfEnginePrivate::writeHeader() << "/Type /Catalog\n" << "/Pages " << pageRoot << "0 R\n"; - if (pdfVersion == QPdfEngine::Version_A1b) { - s << "/OutputIntents [" << outputIntentObj << "0 R]\n"; + // Embedded files, if any + if (!fileCache.isEmpty()) + s << "/Names " << embeddedfilesRoot << "0 R\n"; + + if (pdfVersion == QPdfEngine::Version_A1b || !xmpDocumentMetadata.isEmpty()) s << "/Metadata " << metaDataObj << "0 R\n"; - } + + if (pdfVersion == QPdfEngine::Version_A1b) + s << "/OutputIntents [" << outputIntentObj << "0 R]\n"; s << ">>\n" << "endobj\n"; @@ -1613,6 +1646,12 @@ void QPdfEnginePrivate::writeHeader() write(catalog); } + if (!fileCache.isEmpty()) { + addXrefEntry(embeddedfilesRoot); + xprintf("<</EmbeddedFiles %d 0 R>>\n" + "endobj\n", namesRoot); + } + // graphics state graphicsState = addXrefEntry(-1); xprintf("<<\n" @@ -1664,39 +1703,45 @@ void QPdfEnginePrivate::writeInfo() "endobj\n"); } -int QPdfEnginePrivate::writeXmpMetaData() +int QPdfEnginePrivate::writeXmpDcumentMetaData() { const int metaDataObj = addXrefEntry(-1); + QByteArray metaDataContent; + + if (xmpDocumentMetadata.isEmpty()) { + const QString producer(QString::fromLatin1("Qt " QT_VERSION_STR)); + + const QDateTime now = QDateTime::currentDateTime(); + const QDate date = now.date(); + const QTime time = now.time(); + const QString timeStr = + QString::asprintf("%d-%02d-%02dT%02d:%02d:%02d", + date.year(), date.month(), date.day(), + time.hour(), time.minute(), time.second()); + + const int offset = now.offsetFromUtc(); + const int hours = (offset / 60) / 60; + const int mins = (offset / 60) % 60; + QString tzStr; + if (offset < 0) + tzStr = QString::asprintf("-%02d:%02d", -hours, -mins); + else if (offset > 0) + tzStr = QString::asprintf("+%02d:%02d", hours , mins); + else + tzStr = QLatin1String("Z"); - const QString producer(QString::fromLatin1("Qt " QT_VERSION_STR)); - - const QDateTime now = QDateTime::currentDateTime(); - const QDate date = now.date(); - const QTime time = now.time(); - const QString timeStr = - QString::asprintf("%d-%02d-%02dT%02d:%02d:%02d", - date.year(), date.month(), date.day(), - time.hour(), time.minute(), time.second()); + const QString metaDataDate = timeStr + tzStr; - const int offset = now.offsetFromUtc(); - const int hours = (offset / 60) / 60; - const int mins = (offset / 60) % 60; - QString tzStr; - if (offset < 0) - tzStr = QString::asprintf("-%02d:%02d", -hours, -mins); - else if (offset > 0) - tzStr = QString::asprintf("+%02d:%02d", hours , mins); + QFile metaDataFile(QLatin1String(":/qpdf/qpdfa_metadata.xml")); + metaDataFile.open(QIODevice::ReadOnly); + metaDataContent = QString::fromUtf8(metaDataFile.readAll()).arg(producer.toHtmlEscaped(), + title.toHtmlEscaped(), + creator.toHtmlEscaped(), + metaDataDate).toUtf8(); + } else - tzStr = QLatin1String("Z"); + metaDataContent = xmpDocumentMetadata; - const QString metaDataDate = timeStr + tzStr; - - QFile metaDataFile(QLatin1String(":/qpdf/qpdfa_metadata.xml")); - metaDataFile.open(QIODevice::ReadOnly); - const QByteArray metaDataContent = QString::fromUtf8(metaDataFile.readAll()).arg(producer.toHtmlEscaped(), - title.toHtmlEscaped(), - creator.toHtmlEscaped(), - metaDataDate).toUtf8(); xprintf("<<\n" "/Type /Metadata /Subtype /XML\n" "/Length %d\n" @@ -1774,6 +1819,56 @@ void QPdfEnginePrivate::writePageRoot() "endobj\n"); } +void QPdfEnginePrivate::writeAttachmentRoot() +{ + if (fileCache.isEmpty()) + return; + + QVector<int> attachments; + const int size = fileCache.size(); + for (int i = 0; i < size; ++i) { + auto attachment = fileCache.at(i); + const int attachmentID = addXrefEntry(-1); + xprintf("<<\n"); + if (do_compress) + xprintf("/Filter /FlateDecode\n"); + + const int lenobj = requestObject(); + xprintf("/Length %d 0 R\n", lenobj); + int len = 0; + xprintf(">>\nstream\n"); + len = writeCompressed(attachment.data); + xprintf("\nendstream\n" + "endobj\n"); + addXrefEntry(lenobj); + xprintf("%d\n" + "endobj\n", len); + + attachments.push_back(addXrefEntry(-1)); + xprintf("<<\n" + "/F (%s)", attachment.fileName.toLatin1().constData()); + + xprintf("\n/EF <</F %d 0 R>>\n" + "/Type/Filespec\n" + , attachmentID); + if (!attachment.mimeType.isEmpty()) + xprintf("/Subtype/%s\n", + attachment.mimeType.replace(QLatin1String("/"), + QLatin1String("#2F")).toLatin1().constData()); + xprintf(">>\nendobj\n"); + } + + // names + addXrefEntry(namesRoot); + xprintf("<</Names["); + for (int i = 0; i < size; ++i) { + auto attachment = fileCache.at(i); + printString(attachment.fileName); + xprintf("%d 0 R\n", attachments.at(i)); + } + xprintf("]>>\n" + "endobj\n"); +} void QPdfEnginePrivate::embedFont(QFontSubset *font) { @@ -2031,6 +2126,8 @@ void QPdfEnginePrivate::writeTail() writePage(); writeFonts(); writePageRoot(); + writeAttachmentRoot(); + addXrefEntry(xrefPositions.size(),false); xprintf("xref\n" "0 %d\n" |