Class BarChartRenderer

Created by Philipp Jahoda on 09/06/16.

Hierarchy (View Summary)

BarLineScatterCandleBubbleRenderer
- BarChartRenderer
  - HorizontalBarChartRenderer

Constructors

constructor

new BarChartRenderer(
    chart: BarChart,
    animator: ChartAnimator,
    viewPortHandler: ViewPortHandler,
): BarChartRenderer
Parameters
- chart: BarChart
- animator: ChartAnimator
- viewPortHandler: ViewPortHandler
Returns BarChartRenderer
Overrides BarLineScatterCandleBubbleRenderer.constructor
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:23

Properties

animator

animator: ChartAnimator

the animator object used to perform animations on the chart data

`Protected`mBarBorderPaint

mBarBorderPaint: Paint

palet for the bar border

`Protected`mBarBuffers

mBarBuffers: BarBuffer[]

mChart

mChart: BarChart

`Protected`mHighlightPaint

mHighlightPaint: Paint

palet used for highlighting values

`Protected`mRenderPaint

mRenderPaint: Paint

main palet object used for rendering

`Protected`mShadowPaint

mShadowPaint: Paint

palet for the bar shadow

`Protected`mTransformedBuffer

mTransformedBuffer: TypedArray

`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

`Protected`mXBounds

mXBounds: XBounds

buffer for storing the current minimum and maximum visible x

Accessors

barBorderPaint

get barBorderPaint(): Paint
Returns Paint
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:25

highlightPaint

get highlightPaint(): Paint
Returns Paint
Overrides BarLineScatterCandleBubbleRenderer.highlightPaint
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:24

renderPaint

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

shadowPaint

get shadowPaint(): Paint
Returns Paint
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:26

valuePaint

get valuePaint(): Paint
Returns Paint
Inherited from BarLineScatterCandleBubbleRenderer.valuePaint
- 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
Inherited from BarLineScatterCandleBubbleRenderer.applyValueTextStyle
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:51

drawData

drawData(c: Canvas): void
Draws the actual data in form of lines, bars, ... depending on Renderer subclass.
Parameters
- c: Canvas
Returns void
Overrides BarLineScatterCandleBubbleRenderer.drawData
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:28

`Protected`drawDataSet

drawDataSet(c: Canvas, dataSet: IBarDataSet, index: number): boolean
Parameters
- c: Canvas
- dataSet: IBarDataSet
- index: number
Returns boolean
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:29

drawExtras

drawExtras(c: Canvas): void
Draws any kind of additional information (e.g. line-circles).
Parameters
- c: Canvas
Returns void
Overrides BarLineScatterCandleBubbleRenderer.drawExtras
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:39

drawHighlighted

drawHighlighted(c: Canvas, indices: Highlight<Entry>[]): void
Draws all highlight indicators for the values that are currently highlighted.
Parameters
- c: Canvas
- indices: Highlight<Entry>[]
  the highlighted values
Returns void
Overrides BarLineScatterCandleBubbleRenderer.drawHighlighted
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:32

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
Inherited from BarLineScatterCandleBubbleRenderer.drawIcon
- 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
Inherited from BarLineScatterCandleBubbleRenderer.drawValue
- Defined in packages/ui-chart/renderer/DataRenderer.d.ts:76

drawValues

drawValues(c: Canvas): void
Loops over all Entrys and draws their values.
Parameters
- c: Canvas
Returns void
Overrides BarLineScatterCandleBubbleRenderer.drawValues
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:31

initBuffers

initBuffers(): void
Returns void
Overrides BarLineScatterCandleBubbleRenderer.initBuffers
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:27

`Protected`isDrawingValuesAllowed

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

`Protected`isInBoundsX

isInBoundsX(e: Entry, set: IBarLineScatterCandleBubbleDataSet<any>): boolean
Checks if the provided entry object is in bounds for drawing considering the current animation phase.
Parameters
- e: Entry
- set: IBarLineScatterCandleBubbleDataSet<any>
Returns boolean
Inherited from BarLineScatterCandleBubbleRenderer.isInBoundsX
- Defined in packages/ui-chart/renderer/BarLineScatterCandleBubbleRenderer.d.ts:56

`Protected`prepareBarHighlight

prepareBarHighlight(
    x: number,
    y1: number,
    y2: number,
    barWidthHalf: number,
    trans: Transformer,
    barRect: RectF,
): void
Parameters
- x: number
- y1: number
- y2: number
- barWidthHalf: number
- trans: Transformer
- barRect: RectF
Returns void
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:30

`Protected`setHighlightDrawPos

setHighlightDrawPos(high: Highlight, bar: RectF): void
Sets the drawing position of the highlight object based on the riven bar-rect.
Parameters
- high: Highlight
- bar: RectF
Returns void
- Defined in packages/ui-chart/renderer/BarChartRenderer.d.ts:38

`Protected`shouldDrawValues

shouldDrawValues(set: IDataSet<any>): boolean
Returns true if the DataSet values should be drawn, false if not.
Parameters
- set: IDataSet<any>
Returns boolean
Inherited from BarLineScatterCandleBubbleRenderer.shouldDrawValues
- Defined in packages/ui-chart/renderer/BarLineScatterCandleBubbleRenderer.d.ts:48

Class BarChartRenderer

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns BarChartRenderer

Properties

animator

ProtectedmBarBorderPaint

ProtectedmBarBuffers

mChart

ProtectedmHighlightPaint

ProtectedmRenderPaint

ProtectedmShadowPaint

ProtectedmTransformedBuffer

ProtectedmValuePaint

ProtectedmViewPortHandler

ProtectedmXBounds

Accessors

barBorderPaint

Returns Paint

highlightPaint

Returns Paint

renderPaint

Returns Paint

shadowPaint

Returns Paint

valuePaint

Returns Paint

Methods

ProtectedapplyValueTextStyle

Parameters

Returns void

drawData

Parameters

Returns void

ProtecteddrawDataSet

Parameters

Returns boolean

drawExtras

Parameters

Returns void

drawHighlighted

Parameters

Returns void

drawIcon

Type Parameters

Parameters

Returns void

drawValue

Type Parameters

Parameters

Returns void

drawValues

Parameters

Returns void

initBuffers

Returns void

ProtectedisDrawingValuesAllowed

Parameters

Returns boolean

ProtectedisInBoundsX

Parameters

Returns boolean

ProtectedprepareBarHighlight

Parameters

Returns void

ProtectedsetHighlightDrawPos

Parameters

Returns void

ProtectedshouldDrawValues

Parameters

Returns boolean

Settings

On This Page

`Protected`mBarBorderPaint

`Protected`mBarBuffers

`Protected`mHighlightPaint

`Protected`mRenderPaint

`Protected`mShadowPaint

`Protected`mTransformedBuffer

`Protected`mValuePaint

`Protected`mViewPortHandler

`Protected`mXBounds

`Protected`applyValueTextStyle

`Protected`drawDataSet

`Protected`isDrawingValuesAllowed

`Protected`isInBoundsX

`Protected`prepareBarHighlight

`Protected`setHighlightDrawPos

`Protected`shouldDrawValues