base class for prerendered elements like labels, pixmaps, markers, etc. More...
#include <KDChartTextLabelCache.h>
Public Member Functions | |
| virtual const QPixmap & | pixmap () const =0 |
| Returns the rendered element. | |
| const QPointF & | position () const |
| Get the position of the element. | |
| PrerenderedElement () | |
| KDChartEnums::PositionValue | referencePoint () const |
| Get the reference point of the element. | |
| virtual QPointF | referencePointLocation (KDChartEnums::PositionValue) const =0 |
| Return the location of the reference point relatively to the pixmap's origin. | |
| void | setPosition (const QPointF &position) |
| Set the position of the element. | |
| void | setReferencePoint (KDChartEnums::PositionValue) |
| Set the reference point of the element. | |
| virtual | ~PrerenderedElement () |
Protected Member Functions | |
| virtual void | invalidate () const =0 |
| invalidate() needs to be called if any of the properties that determine the visual appearance of the prerendered element change. | |
Detailed Description
base class for prerendered elements like labels, pixmaps, markers, etc.
Definition at line 36 of file KDChartTextLabelCache.h.
Constructor & Destructor Documentation
| PrerenderedElement::PrerenderedElement | ( | ) |
Definition at line 52 of file KDChartTextLabelCache.cpp.
| virtual PrerenderedElement::~PrerenderedElement | ( | ) | [virtual] |
Definition at line 39 of file KDChartTextLabelCache.h.
Member Function Documentation
| virtual void PrerenderedElement::invalidate | ( | ) | const [protected, pure virtual] |
invalidate() needs to be called if any of the properties that determine the visual appearance of the prerendered element change.
It can be called for a const object, as objects may need to force recalculation of the pixmap.
Implemented in PrerenderedLabel.
| virtual const QPixmap& PrerenderedElement::pixmap | ( | ) | const [pure virtual] |
Returns the rendered element.
If any of the properties have change, the element will be regenerated.
Implemented in PrerenderedLabel.
| const QPointF & PrerenderedElement::position | ( | ) | const |
Get the position of the element.
Definition at line 62 of file KDChartTextLabelCache.cpp.
Referenced by KDChart::TernaryAxis::paintCtx().
| KDChartEnums::PositionValue PrerenderedElement::referencePoint | ( | ) | const |
Get the reference point of the element.
Definition at line 72 of file KDChartTextLabelCache.cpp.
Referenced by PrerenderedLabel::referencePointLocation().
| virtual QPointF PrerenderedElement::referencePointLocation | ( | KDChartEnums::PositionValue | ) | const [pure virtual] |
Return the location of the reference point relatively to the pixmap's origin.
Implemented in PrerenderedLabel.
| void PrerenderedElement::setPosition | ( | const QPointF & | position | ) |
Set the position of the element.
Definition at line 57 of file KDChartTextLabelCache.cpp.
| void PrerenderedElement::setReferencePoint | ( | KDChartEnums::PositionValue | point | ) |
Set the reference point of the element.
Every element has nine possible reference points (all compass directions, plus the center.
Definition at line 67 of file KDChartTextLabelCache.cpp.
The documentation for this class was generated from the following files:
