Inheritance diagram for QwtPickerTracker:
Public Member Functions | |
| QwtPickerTracker (QwtPicker *, QWidget *) | |
Protected Member Functions | |
| virtual void | drawOverlay (QPainter *) const |
| virtual QRegion | maskHint () const |
| Calculate an approximation for the mask. | |
Protected Attributes | |
| QwtPicker * | d_picker |
Detailed Description
Definition at line 79 of file qwt_picker.cpp.
Constructor & Destructor Documentation
| QwtPickerTracker::QwtPickerTracker | ( | QwtPicker * | picker, |
| QWidget * | parent | ||
| ) |
Definition at line 152 of file qwt_picker.cpp.
Member Function Documentation
| void QwtPickerTracker::drawOverlay | ( | QPainter * | painter | ) | const [protected, virtual] |
Draw the widget overlay
- Parameters:
-
painter Painter
Implements QwtWidgetOverlay.
Definition at line 165 of file qwt_picker.cpp.
| QRegion QwtPickerTracker::maskHint | ( | ) | const [protected, virtual] |
Calculate an approximation for the mask.
- MaskHint The hint is used as mask.
- AlphaMask The hint is used to speed up the algorithm for calculating a mask from non transparent pixels
- NoMask The hint is unused.
The default implementation returns an invalid region indicating no hint.
- Returns:
- Hint for the mask
Reimplemented from QwtWidgetOverlay.
Definition at line 160 of file qwt_picker.cpp.
Member Data Documentation
QwtPicker* QwtPickerTracker::d_picker [protected] |
Definition at line 88 of file qwt_picker.cpp.
The documentation for this class was generated from the following file: