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Fix drawing paths with constant opacity onto PDF

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The native PDF strokes can not be used with constant opacity as any
overlapping parts of the path will end up being drawn multiple times
getting the wrong final opacity. A constant opacity should therefore
be treated the same as opacity on the pen color, and trigger the
fallback drawing.

Task-number: QTBUG-37101
Change-Id: I44f70a8b494567ee89804a5fa6333304a5abe91e
Reviewed-by: Michael Bruning <michael.bruning@digia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
This commit is contained in:
Allan Sandfeld Jensen 2014-03-28 12:56:39 +01:00 committed by The Qt Project
parent 8cde2faebc
commit f2e6570e4f
1 changed files with 1 additions and 1 deletions
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2
src/gui/painting/qpdf.cpp
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@ -1059,7 +1059,7 @@ void QPdfEngine::drawPath (const QPainterPath &p)
if (!d->hasPen && !d->hasBrush)
return;
if (d->simplePen) {
if (d->simplePen && d->opacity == 1.0) {
// draw strokes natively in this case for better output
*d->currentPage << QPdf::generatePath(p, QTransform(), d->hasBrush ? QPdf::FillAndStrokePath : QPdf::StrokePath);
} else {