diff options
Diffstat (limited to 'examples/opengl/qopenglwidget/bubble.cpp')
| -rw-r--r-- | examples/opengl/qopenglwidget/bubble.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/examples/opengl/qopenglwidget/bubble.cpp b/examples/opengl/qopenglwidget/bubble.cpp index bf04c64966..c78e26a1d4 100644 --- a/examples/opengl/qopenglwidget/bubble.cpp +++ b/examples/opengl/qopenglwidget/bubble.cpp @@ -56,15 +56,15 @@ void Bubble::updateCache() { if (cache) delete cache; - cache = new QImage(qRound(radius * 2 + 2), qRound(radius * 2 + 2), QImage::Format_ARGB32); + cache = new QImage(qRound(radius * 2 + 2), qRound(radius * 2 + 2), QImage::Format_ARGB32_Premultiplied); cache->fill(0x00000000); QPainter p(cache); - p.setRenderHint(QPainter::HighQualityAntialiasing); + p.setRenderHint(QPainter::Antialiasing); QPen pen(Qt::white); pen.setWidth(2); p.setPen(pen); p.setBrush(brush); - p.drawEllipse(0, 0, int(2*radius), int(2*radius)); + p.drawEllipse(1, 1, int(2*radius), int(2*radius)); } //! [0] |