iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x

ISCILabelFormatter

@protocol ISCILabelFormatter <ISCIDoubleLabelFormatter>

Defines the protocol to a label formatter which is used by SCIFormatterLabelProviderBase.


                        
                        
                        -updateWithAxis:

Updates this label formatter with values provided by axis.

Declaration

Objective-C

- (void)updateWithAxis:(nonnull id<ISCIAxisCore>)axis;

Swift

func update(_ axis: any ISCIAxisCore)

Parameters


                                    axis

The current axis.


                        
                        
                        -updateTickLabels:majorTicks:

Updates ticks collection according to provided axis ticks.

Declaration

Objective-C

- (BOOL)updateTickLabels:
            (nonnull NSMutableArray<id<ISCIString>> *)formattedTickLabels
              majorTicks:(nonnull SCIDoubleValues *)majorTicks;

Swift

func updateTickLabels(_ formattedTickLabels: NSMutableArray, majorTicks: SCIDoubleValues) -> Bool

Parameters

`formattedTickLabels`	The list where formatted ticks should be stored.
`majorTicks`	Major ticks to use for tick labels.

Return Value

Return true if ticks were formatted by this ISCILabelFormatter implementation, so there is no need to format them in parent ISCILabelProvider, otherwise return false