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Clear old triangulated vertex data when a path is completely clipped 

Old data was held in buffers which caused OpenGL paint engine to
re-render previous shape again with current settings if the current path
was completely clipped.

Pick-to: 5.15
Fixes: QTBUG-35513
Change-Id: I0cd448e0b18d199af11e82d79b1ab72d0f89c79e
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
bb10
Joni Poikelin 2020-08-04 09:24:09 +03:00
parent f69dbb0b41
commit de3b2541de
1 changed files with 1 additions and 1 deletions
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2
src/gui/painting/qtriangulatingstroker.cpp
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@ -84,6 +84,7 @@ void QTriangulatingStroker::process(const QVectorPath &path, const QPen &pen, co
const qreal *pts = path.points();
const QPainterPath::ElementType *types = path.elements();
int count = path.elementCount();
m_vertices.reset();
if (count < 2)
return;
@ -100,7 +101,6 @@ void QTriangulatingStroker::process(const QVectorPath &path, const QPen &pen, co
m_join_style = qpen_joinStyle(pen);
m_cap_style = qpen_capStyle(pen);
m_vertices.reset();
m_miter_limit = pen.miterLimit() * qpen_widthf(pen);
// The curvyness is based on the notion that I originally wanted