IsScriptableFontProvider (Charba - J2CL and GWT charts library based on CHART.JS)

Type Parameters:

T - type of scriptable context

All Known Implementing Classes:

BoxLabel, CartesianCategoryTick, CartesianLinearTick, CartesianLogarithmicTick, CartesianTimeTick, DataLabelsOptions, Label, LabelAnnotation, LabelItem, LineLabel, RadialLinearTick, RadialPointLabels, Subtitle, Title
```
public interface IsScriptableFontProvider<T extends ChartContext>
```
Map an object which contains a font instance which can be set by callback, FontCallback.

Author:

Andrea "Stock" Stocchero

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`FontCallback<T>`	`getFontCallback()`	Returns the `FontCallback` if it has been set or `null`.
`void`	`setFont(FontCallback<T> fontCallback)`	Sets the font callback.
`void`	`setFont(NativeCallback fontCallback)`	Sets the font callback.

- Method Detail
  - getFontCallback
```
FontCallback<T> getFontCallback()
```
    Returns the FontCallback if it has been set or null.
    
    Returns:
    
    the FontCallback if it has been set or null.
  - setFont
```
void setFont(FontCallback<T> fontCallback)
```
    Sets the font callback.
    
    Parameters:
    
    fontCallback - the font callback.
  - setFont
```
void setFont(NativeCallback fontCallback)
```
    Sets the font callback.
    
    Parameters:
    
    fontCallback - the font callback.