QDistanceFilter class is a convenience wrapper around QSensorFilter . 更多...
| 头： | #include <QDistanceFilter> |
| qmake: | QT += sensors |
| Since: | Qt 5.4 |
| 继承： | QSensorFilter |
| virtual bool | filter (QDistanceReading * reading ) = 0 |
QDistanceFilter class is a convenience wrapper around QSensorFilter .
The only difference is that the filter () method features a pointer to QDistanceReading 而不是 QSensorReading .
[pure virtual]
bool
QDistanceFilter::
filter
(
QDistanceReading
*
reading
)
被调用当 reading changes. Returns false to prevent the reading from propagating.
另请参阅 QSensorFilter::filter ().