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| author | Olivier Goffart <ogoffart@trolltech.com> | 2009-12-15 09:47:54 (GMT) |
|---|---|---|
| committer | Olivier Goffart <ogoffart@trolltech.com> | 2009-12-15 09:47:54 (GMT) |
| commit | fcf91a2d527b393a366c997dd225c076afe34718 (patch) | |
| tree | 0c8027b9f1059a5c63e777838fb4bf45b72293fc /src/gui/effects/qgraphicseffect.cpp | |
| parent | efa48b0a5dba8c8c93612e534d04b5b04629b75c (diff) | |
| parent | 1a867a3c692e375565618532b8ca686dab7e7d5e (diff) | |
| download | Qt-fcf91a2d527b393a366c997dd225c076afe34718.zip Qt-fcf91a2d527b393a366c997dd225c076afe34718.tar.gz Qt-fcf91a2d527b393a366c997dd225c076afe34718.tar.bz2 | |
Merge commit 'origin/4.6'
Conflicts:
src/corelib/io/qfsfileengine.cpp
src/network/access/qnetworkrequest.cpp
tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
Diffstat (limited to 'src/gui/effects/qgraphicseffect.cpp')
| -rw-r--r-- | src/gui/effects/qgraphicseffect.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp index 239e29c..d6cabaa 100644 --- a/src/gui/effects/qgraphicseffect.cpp +++ b/src/gui/effects/qgraphicseffect.cpp @@ -160,6 +160,10 @@ QRectF QGraphicsEffectSource::boundingRect(Qt::CoordinateSystem system) const /*! Returns the bounding rectangle of the source mapped to the given \a system. + Calling this function with Qt::DeviceCoordinates outside of + QGraphicsEffect::draw() will give undefined results, as there is no device + context available. + \sa draw() */ QRectF QGraphicsEffect::sourceBoundingRect(Qt::CoordinateSystem system) const @@ -348,6 +352,10 @@ QPixmap QGraphicsEffectSource::pixmap(Qt::CoordinateSystem system, QPoint *offse The returned pixmap is clipped to the current painter's device rectangle when \a system is Qt::DeviceCoordinates. + Calling this function with Qt::DeviceCoordinates outside of + QGraphicsEffect::draw() will give undefined results, as there is no device + context available. + \sa draw(), boundingRect() */ QPixmap QGraphicsEffect::sourcePixmap(Qt::CoordinateSystem system, QPoint *offset, QGraphicsEffect::PixmapPadMode mode) const @@ -398,8 +406,8 @@ QGraphicsEffect::~QGraphicsEffect() /*! Returns the effective bounding rectangle for this effect, i.e., the - bounding rectangle of the source, adjusted by any margins applied by - the effect itself. + bounding rectangle of the source in device coordinates, adjusted by + any margins applied by the effect itself. \sa boundingRectFor(), updateBoundingRect() */ @@ -413,7 +421,7 @@ QRectF QGraphicsEffect::boundingRect() const /*! Returns the effective bounding rectangle for this effect, given the - provided \a rect in the source's coordinate space. When writing + provided \a rect in the device coordinates. When writing you own custom effect, you must call updateBoundingRect() whenever any parameters are changed that may cause this this function to return a different value. |