TKChartAnnotation Class Reference
| Inherits from | NSObject |
| Declared in | TKChartAnnotation.h |
Properties
hidden
Indicates whether the annotation is visible.
@property (nonatomic, assign) BOOL hiddenDeclared In
TKChartAnnotation.hzPosition
Gets or sets a value which determines the z-order position of the annotation. Every annotation can be positioned below or above the series collection.
@property (nonatomic, assign) TKChartAnnotationZPosition zPositionDiscussion
The z-order modes are defined as follows:
typedef enum { TKChartAnnotationZPositionBelowSeries, // The annotation is rendered below the series (default). TKChartAnnotationZPositionAboveSeries // The annotation is rendered above the series. } TKChartAnnotationZPosition;
Declared In
TKChartAnnotation.hInstance Methods
annotationWasAddedToChart:withLayer:
Tells the annotation that it was added to the chart.
- (void)annotationWasAddedToChart:(TKChart *__nonnull)chart withLayer:(CALayer *__nonnull)layerParameters
- chart
The TKChart instance that owns this annotation.
- layer
The layer where the annotation will be rendered.
Declared In
TKChartAnnotation.hannotationWillBeRemovedFromChart:
Tells the annotation that it will be removed from the chart.
- (void)annotationWillBeRemovedFromChart:(TKChart *__nonnull)chartParameters
- chart
The TKChart instance that owns this annotation.
Declared In
TKChartAnnotation.hdrawInContext:
Draws the annotation by using the specified drawing context.
- (void)drawInContext:(CGContextRef __nonnull)contextParameters
- context
The drawing context to use when rendering the annotation.
Declared In
TKChartAnnotation.hlayoutInRect:forChart:inLayer:
Lays out the annotation within the chart plot area.
- (void)layoutInRect:(CGRect)bounds forChart:(TKChart *__nullable)chart inLayer:(CALayer *__nonnull)layerParameters
- bounds
The bounds of the chart plot area.
- chart
The chart where this annotation will be rendered.
- layer
The layer where this annotation will be rendered.
Declared In
TKChartAnnotation.hlocationOfValue:withAxis:inBounds:
The axis coordinate of the specified value by using the specified bounds and axis.
- (CGFloat)locationOfValue:(id __nonnull)value withAxis:(TKChartAxis *__nonnull)axis inBounds:(CGRect)boundsParameters
- value
The value to locate.
- axis
The axis where the value is located.
- bounds
The bounds of the plot area to use.
Return Value
A numeric value which specifies the axis coordinate.
Declared In
TKChartAnnotation.h