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QPdfWriter: Fix setting of paper size.

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Introduce setter for converting mm to Postscript points.

Task-number: QTBUG-31443

Change-Id: I032118322657ae2a8b3b457010218d6ea3f3e720
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
This commit is contained in:
Friedemann Kleint 2013-07-09 14:01:02 +02:00 committed by The Qt Project
parent aae0a2144d
commit 3dde073269
3 changed files with 14 additions and 3 deletions
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12
src/gui/painting/qpdf.cpp
View File

@ -1469,7 +1469,12 @@ int QPdfEngine::metric(QPaintDevice::PaintDeviceMetric metricType) const
return val;
}
static inline QSizeF pageSizeToPostScriptPoints(const QSizeF &pageSizeMM)
{
#define Q_MM(n) int((n * 720 + 127) / 254)
return QSizeF(Q_MM(pageSizeMM.width()), Q_MM(pageSizeMM.height()));
#undef Q_MM
}
QPdfEnginePrivate::QPdfEnginePrivate()
: clipEnabled(false), allClipped(false), hasPen(true), hasBrush(false), simplePen(false),
@ -1477,7 +1482,7 @@ QPdfEnginePrivate::QPdfEnginePrivate()
fullPage(false), embedFonts(true),
landscape(false),
grayscale(false),
paperSize(Q_MM(210), Q_MM(297)), // A4
paperSize(pageSizeToPostScriptPoints(QSizeF(210, 297))), // A4
leftMargin(10), topMargin(10), rightMargin(10), bottomMargin(10) // ~3.5 mm
{
resolution = 1200;
@ -1491,6 +1496,11 @@ QPdfEnginePrivate::QPdfEnginePrivate()
stream = new QDataStream;
}
void QPdfEnginePrivate::setPaperSize(const QSizeF &pageSizeMM)
{
paperSize = pageSizeToPostScriptPoints(pageSizeMM);
}
bool QPdfEngine::begin(QPaintDevice *pdev)
{
Q_D(QPdfEngine);

1
src/gui/painting/qpdf_p.h
View File

@ -226,6 +226,7 @@ public:
QRect paperRect() const;
QRect pageRect() const;
void setPaperSize(const QSizeF &pageSizeMM);
int width() const {
QRect r = paperRect();

4
src/gui/painting/qpdfwriter.cpp
View File

@ -166,7 +166,7 @@ void QPdfWriter::setPageSize(PageSize size)
Q_D(const QPdfWriter);
QPagedPaintDevice::setPageSize(size);
d->engine->d_func()->paperSize = pageSizeMM() * 25.4/72.;
d->engine->d_func()->setPaperSize(pageSizeMM());
}
/*!
@ -177,7 +177,7 @@ void QPdfWriter::setPageSizeMM(const QSizeF &size)
Q_D(const QPdfWriter);
QPagedPaintDevice::setPageSizeMM(size);
d->engine->d_func()->paperSize = pageSizeMM() * 25.4/72.;
d->engine->d_func()->setPaperSize(pageSizeMM());
}
/*!