diff options
Diffstat (limited to 'src/gui/painting/qpdf.cpp')
-rw-r--r-- | src/gui/painting/qpdf.cpp | 47 |
1 files changed, 40 insertions, 7 deletions
diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp index 4fd0d3c8fe..b410e9b900 100644 --- a/src/gui/painting/qpdf.cpp +++ b/src/gui/painting/qpdf.cpp @@ -71,6 +71,11 @@ static const bool do_compress = true; // Can't use it though, as gs generates completely wrong images if this is true. static const bool interpolateImages = false; +static void initResources() +{ + Q_INIT_RESOURCE(qpdf); +} + QT_BEGIN_NAMESPACE inline QPaintEngine::PaintEngineFeatures qt_pdf_decide_features() @@ -1446,6 +1451,7 @@ QPdfEnginePrivate::QPdfEnginePrivate() grayscale(false), m_pageLayout(QPageSize(QPageSize::A4), QPageLayout::Portrait, QMarginsF(10, 10, 10, 10)) { + initResources(); resolution = 1200; currentObject = 1; currentPage = 0; @@ -1541,7 +1547,14 @@ void QPdfEnginePrivate::writeHeader() { addXrefEntry(0,false); - xprintf("%%PDF-1.4\n"); + static const QHash<QPdfEngine::PdfVersion, const char *> mapping { + {QPdfEngine::Version_1_4, "1.4"}, + {QPdfEngine::Version_A1b, "1.4"}, + {QPdfEngine::Version_1_6, "1.6"} + }; + const char *verStr = mapping.value(pdfVersion, "1.4"); + + xprintf("%%PDF-%s\n", verStr); xprintf("%%\303\242\303\243\n"); writeInfo(); @@ -1874,6 +1887,19 @@ void QPdfEnginePrivate::embedFont(QFontSubset *font) } } +qreal QPdfEnginePrivate::calcUserUnit() const +{ + // PDF standards < 1.6 support max 200x200in pages (no UserUnit) + if (pdfVersion < QPdfEngine::Version_1_6) + return 1.0; + + const int maxLen = qMax(currentPage->pageSize.width(), currentPage->pageSize.height()); + if (maxLen <= 14400) + return 1.0; // for pages up to 200x200in (14400x14400 units) use default scaling + + // for larger pages, rescale units so we can have up to 381x381km + return qMin(maxLen / 14400.0, 75000.0); +} void QPdfEnginePrivate::writeFonts() { @@ -1896,6 +1922,8 @@ void QPdfEnginePrivate::writePage() uint resources = requestObject(); uint annots = requestObject(); + qreal userUnit = calcUserUnit(); + addXrefEntry(pages.constLast()); xprintf("<<\n" "/Type /Page\n" @@ -1903,12 +1931,16 @@ void QPdfEnginePrivate::writePage() "/Contents %d 0 R\n" "/Resources %d 0 R\n" "/Annots %d 0 R\n" - "/MediaBox [0 0 %d %d]\n" - ">>\n" - "endobj\n", + "/MediaBox [0 0 %f %f]\n", pageRoot, pageStream, resources, annots, // make sure we use the pagesize from when we started the page, since the user may have changed it - currentPage->pageSize.width(), currentPage->pageSize.height()); + currentPage->pageSize.width() / userUnit, currentPage->pageSize.height() / userUnit); + + if (pdfVersion >= QPdfEngine::Version_1_6) + xprintf("/UserUnit %f\n", userUnit); + + xprintf(">>\n" + "endobj\n"); addXrefEntry(resources); xprintf("<<\n" @@ -2977,8 +3009,9 @@ void QPdfEnginePrivate::drawTextItem(const QPointF &p, const QTextItemInt &ti) QTransform QPdfEnginePrivate::pageMatrix() const { - qreal scale = 72./resolution; - QTransform tmp(scale, 0.0, 0.0, -scale, 0.0, m_pageLayout.fullRectPoints().height()); + qreal userUnit = calcUserUnit(); + qreal scale = 72. / userUnit / resolution; + QTransform tmp(scale, 0.0, 0.0, -scale, 0.0, m_pageLayout.fullRectPoints().height() / userUnit); if (m_pageLayout.mode() != QPageLayout::FullPageMode) { QRect r = m_pageLayout.paintRectPixels(resolution); tmp.translate(r.left(), r.top()); |