Class DataRenderer`Abstract`

Superclass of all render classes for the different data types (line, bar, ...).

Hierarchy (View Summary)

Renderer
- DataRenderer

Index

Constructors

constructor

new DataRenderer(
animator: ChartAnimator,
viewPortHandler: ViewPortHandler,
): DataRenderer
Parameters
- animator: ChartAnimator
- viewPortHandler: ViewPortHandler
Returns DataRenderer
Overrides Renderer.constructor
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:39

Properties

animator

animator: ChartAnimator

the animator object used to perform animations on the chart data

`Protected`mHighlightPaint

mHighlightPaint: Paint

palet used for highlighting values

`Protected`mRenderPaint

mRenderPaint: Paint

main palet object used for rendering

`Protected`mValuePaint

mValuePaint: Paint

palet object for drawing values (text representing values of chart entries)

`Protected`mViewPortHandler

mViewPortHandler: ViewPortHandler

the component that handles the drawing area of the chart and it's offsets

Accessors

highlightPaint

get highlightPaint(): Paint
Returns Paint
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:42

renderPaint

get renderPaint(): Paint
Returns Paint
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:41

valuePaint

get valuePaint(): Paint
Returns Paint
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:43

Methods

`Protected`applyValueTextStyle

applyValueTextStyle(set: IDataSet<any>): void
Applies the required styling (provided by the DataSet) to the value-paint object.
Parameters
- set: IDataSet<any>
Returns void
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:51

`Abstract`drawData

drawData(c: Canvas): any
Draws the actual data in form of lines, bars, ... depending on Renderer subclass.
Parameters
- c: Canvas
Returns any
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:57

`Abstract`drawExtras

drawExtras(c: Canvas): any
Draws any kind of additional information (e.g. line-circles).
Parameters
- c: Canvas
Returns any
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:94

`Abstract`drawHighlighted

drawHighlighted(
    c: Canvas,
    indices: Highlight<Entry>[],
    actualDraw?: boolean,
): any
Draws all highlight indicators for the values that are currently highlighted.
Parameters
- c: Canvas
- indices: Highlight<Entry>[]
  the highlighted values
- OptionalactualDraw: boolean
  whether to draw or not
Returns any
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:102

drawIcon

drawIcon<T>(
    canvas: Canvas,
    chart: Chart<any, any, any>,
    dataSet: DataSet<any>,
    dataSetIndex: number,
    entry: T,
    entryIndex: number,
    icon: ImageSource | Shape,
    x: number,
    y: number,
    customRender?: BaseCustomRenderer,
): void
Draws the icons of the given entry
Type Parameters
- T
Parameters
- canvas: Canvas
  canvas
- chart: Chart<any, any, any>
  icon to draw
- dataSet: DataSet<any>
- dataSetIndex: number
- entry: T
- entryIndex: number
- icon: ImageSource | Shape
  icon to draw
- x: number
  position
- y: number
  position
- OptionalcustomRender: BaseCustomRenderer
Returns void
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:88

drawValue

drawValue<T>(
    c: Canvas,
    chart: Chart<any, any, any>,
    dataSet: DataSet<any>,
    dataSetIndex: number,
    entry: T,
    entryIndex: any,
    valueText: string,
    x: number,
    y: number,
    color: string | Color,
    paint: Paint,
    customRender?: BaseCustomRenderer,
): void
Draws the value of the given entry by using the provided IValueFormatter.
Type Parameters
- T
Parameters
- c: Canvas
  canvas
- chart: Chart<any, any, any>
- dataSet: DataSet<any>
- dataSetIndex: number
- entry: T
  label to draw
- entryIndex: any
  label to draw
- valueText: string
  label to draw
- x: number
  position
- y: number
  position
- color: string | Color
- paint: Paint
- OptionalcustomRender: BaseCustomRenderer
Returns void
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:76

`Abstract`drawValues

drawValues(c: Canvas): any
Loops over all Entrys and draws their values.
Parameters
- c: Canvas
Returns any
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:63

initBuffers

initBuffers(): void
Returns void
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:40

`Protected`isDrawingValuesAllowed

isDrawingValuesAllowed(chart: ChartInterface): boolean
Parameters
- chart: ChartInterface
Returns boolean
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:44

Class DataRendererAbstract

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns DataRenderer

Properties

animator

ProtectedmHighlightPaint

ProtectedmRenderPaint

ProtectedmValuePaint

ProtectedmViewPortHandler

Accessors

highlightPaint

Returns Paint

renderPaint

Returns Paint

valuePaint

Returns Paint

Methods

ProtectedapplyValueTextStyle

Parameters

Returns void

AbstractdrawData

Parameters

Returns any

AbstractdrawExtras

Parameters

Returns any

AbstractdrawHighlighted

Parameters

Returns any

drawIcon

Type Parameters

Parameters

Returns void

drawValue

Type Parameters

Parameters

Returns void

AbstractdrawValues

Parameters

Returns any

initBuffers

Returns void

ProtectedisDrawingValuesAllowed

Parameters

Returns boolean

Settings

On This Page

Class DataRenderer`Abstract`

`Protected`mHighlightPaint

`Protected`mRenderPaint

`Protected`mValuePaint

`Protected`mViewPortHandler

`Protected`applyValueTextStyle

`Abstract`drawData

`Abstract`drawExtras

`Abstract`drawHighlighted

`Abstract`drawValues

`Protected`isDrawingValuesAllowed