whytofly
/
qt6-bb10
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't try to draw if there are no points in the path 

In some cases, for instance if drawEllipse() was called with a null QRect
then it would still try to draw a QVectorPath without having enough points
in the list. Therefore the point_count should be checked first before
doing any drawing.

Change-Id: I9b8dbb87c73b74e9df9eb10ec790a484d05d4c46
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
bb10
Andy Shaw 2014-06-05 23:23:07 +02:00 committed by The Qt Project
parent d6525a6c10
commit 9a3a3b641a
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -1,6 +1,6 @@
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
@ -830,6 +830,8 @@ void QPaintEngineEx::drawEllipse(const QRectF &r)
int point_count = 0;
x.points[0] = qt_curves_for_arc(r, 0, -360, x.points + 1, &point_count);
if (point_count == 0)
return;
QVectorPath vp((qreal *) pts, point_count + 1, qpaintengineex_ellipse_types, QVectorPath::EllipseHint);
draw(vp);
}