diff options
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qpainter.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index b2f0ac4..2beb8c2 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -2371,6 +2371,11 @@ void QPainter::setClipping(bool enable) Returns the currently set clip region. Note that the clip region is given in logical coordinates. + \warning QPainter does not store the combined clip explicitly as + this is handled by the underlying QPaintEngine, so the path is + recreated on demand and transformed to the current logical + coordinate system. This is potentially an expensive operation. + \sa setClipRegion(), clipPath(), setClipping() */ @@ -2486,6 +2491,11 @@ extern QPainterPath qt_regionToPath(const QRegion ®ion); Returns the currently clip as a path. Note that the clip path is given in logical coordinates. + \warning QPainter does not store the combined clip explicitly as + this is handled by the underlying QPaintEngine, so the path is + recreated on demand and transformed to the current logical + coordinate system. This is potentially an expensive operation. + \sa setClipPath(), clipRegion(), setClipping() */ QPainterPath QPainter::clipPath() const |