Class HorizontalViewPortHandler

ViewPortHandler for HorizontalBarChart.

Hierarchy (View Summary)

ViewPortHandler
- HorizontalViewPortHandler

Index

Constructors

constructor

new HorizontalViewPortHandler(): HorizontalViewPortHandler
Returns HorizontalViewPortHandler
Inherited from ViewPortHandler.constructor

Properties

chartHeight

chartHeight: number

`Readonly`chartRect

chartRect: RectF

chartWidth

chartWidth: number

`Readonly`contentRect

contentRect: RectF

this rectangle defines the area in which graph values can be drawn

`Protected`mMatrixBuffer

mMatrixBuffer: number[] | TypedArray

buffer for storing the 9 matrix values of a 3x3 matrix

mMatrixTouch

mMatrixTouch: Matrix

matrix used for touch events

Accessors

contentBottom

get contentBottom(): number
Returns number
Inherited from ViewPortHandler.contentBottom
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:81

contentCenter

get contentCenter(): { x: number; y: number }
Returns { x: number; y: number }
Inherited from ViewPortHandler.contentCenter
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:82

contentLeft

get contentLeft(): number
Returns number
Inherited from ViewPortHandler.contentLeft
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:79

contentRight

get contentRight(): number
Returns number
Inherited from ViewPortHandler.contentRight
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:80

contentTop

get contentTop(): number
Returns number
Inherited from ViewPortHandler.contentTop
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:78

hasChartDimens

get hasChartDimens(): boolean
Returns boolean
Inherited from ViewPortHandler.hasChartDimens
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:72

offsetBottom

get offsetBottom(): number
Returns number
Inherited from ViewPortHandler.offsetBottom
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:77

offsetLeft

get offsetLeft(): number
Returns number
Inherited from ViewPortHandler.offsetLeft
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:74

offsetRight

get offsetRight(): number
Returns number
Inherited from ViewPortHandler.offsetRight
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:75

offsetTop

get offsetTop(): number
Returns number
Inherited from ViewPortHandler.offsetTop
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:76

scaleX

get scaleX(): number
Returns number
Inherited from ViewPortHandler.scaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:175

scaleY

get scaleY(): number
Returns number
Inherited from ViewPortHandler.scaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:176

smallestContentExtension

get smallestContentExtension(): number
Returns the smallest extension of the content rect (width or height).

Returns number
Inherited from ViewPortHandler.smallestContentExtension
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:89

Methods

canZoomInMoreX

canZoomInMoreX(): boolean
Returns true if the chart is not yet fully zoomed in on the x-axis

Returns boolean
Inherited from ViewPortHandler.canZoomInMoreX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:290

canZoomInMoreY

canZoomInMoreY(): boolean
Returns true if the chart is not yet fully zoomed in on the y-axis

Returns boolean
Inherited from ViewPortHandler.canZoomInMoreY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:298

canZoomOutMoreX

canZoomOutMoreX(): boolean
Returns true if the chart is not yet fully zoomed out on the x-axis

Returns boolean
Inherited from ViewPortHandler.canZoomOutMoreX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:286

canZoomOutMoreY

canZoomOutMoreY(): boolean
Returns true if the chart is not yet fully zoomed out on the y-axis

Returns boolean
Inherited from ViewPortHandler.canZoomOutMoreY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:294

centerViewPort

centerViewPort(transformedPts: number[] | TypedArray, view: CanvasView): void
Centers the viewport around the specified position (x-index and y-value) in the chart. Centering the viewport outside the bounds of the chart is not possible. Makes most sense in combination with the setScaleMinima(...) method.
Parameters
- transformedPts: number[] | TypedArray
  the position to center view viewport to
- view: CanvasView
Returns void
save
Inherited from ViewPortHandler.centerViewPort
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:166

fitScreen

fitScreen(outputMatrix?: any): any
Resets all zooming and dragging and makes the chart fit exactly it's bounds. Output Matrix is available for those who wish to cache the object.
Parameters
- OptionaloutputMatrix: any
Returns any
Inherited from ViewPortHandler.fitScreen
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:148

getMatrixTouch

getMatrixTouch(): Matrix
Returns the charts-touch matrix used for translation and scale on touch.

Returns Matrix
Inherited from ViewPortHandler.getMatrixTouch
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:218

getMaxScaleX

getMaxScaleX(): number
Returns number
Inherited from ViewPortHandler.getMaxScaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:241

getMaxScaleY

getMaxScaleY(): number
Returns number
Inherited from ViewPortHandler.getMaxScaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:243

getMinScaleX

getMinScaleX(): number
Returns number
Inherited from ViewPortHandler.getMinScaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:240

getMinScaleY

getMinScaleY(): number
Returns number
Inherited from ViewPortHandler.getMinScaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:242

getScaleX

getScaleX(): number
returns the current x-scale factor

Returns number
Inherited from ViewPortHandler.getScaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:235

getScaleY

getScaleY(): number
returns the current y-scale factor

Returns number
Inherited from ViewPortHandler.getScaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:239

getTransX

getTransX(): number
Returns the translation (drag / pan) distance on the x-axis

Returns number
Inherited from ViewPortHandler.getTransX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:247

getTransY

getTransY(): number
Returns the translation (drag / pan) distance on the y-axis

Returns number
Inherited from ViewPortHandler.getTransY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:251

hasNoDragOffset

hasNoDragOffset(): boolean
Returns true if both drag offsets (x and y) are zero or smaller.

Returns boolean
Inherited from ViewPortHandler.hasNoDragOffset
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:282

isFullyZoomedOut

isFullyZoomedOut(): boolean
if the chart is fully zoomed out, return true

Returns boolean
Inherited from ViewPortHandler.isFullyZoomedOut
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:255

isFullyZoomedOutX

isFullyZoomedOutX(): boolean
Returns true if the chart is fully zoomed out on it's x-axis (horizontal).

Returns boolean
Inherited from ViewPortHandler.isFullyZoomedOutX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:264

isFullyZoomedOutY

isFullyZoomedOutY(): boolean
Returns true if the chart is fully zoomed out on it's y-axis (vertical).

Returns boolean
Inherited from ViewPortHandler.isFullyZoomedOutY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:259

isInBounds

isInBounds(x: any, y: any): boolean
Parameters
- x: any
- y: any
Returns boolean
Inherited from ViewPortHandler.isInBounds
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:227

isInBoundsBottom

isInBoundsBottom(y: any): boolean
Parameters
- y: any
Returns boolean
Inherited from ViewPortHandler.isInBoundsBottom
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:231

isInBoundsLeft

isInBoundsLeft(x: any): boolean
Parameters
- x: any
Returns boolean
Inherited from ViewPortHandler.isInBoundsLeft
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:228

isInBoundsRight

isInBoundsRight(x: any): boolean
Parameters
- x: any
Returns boolean
Inherited from ViewPortHandler.isInBoundsRight
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:229

isInBoundsTop

isInBoundsTop(y: any): boolean
Parameters
- y: any
Returns boolean
Inherited from ViewPortHandler.isInBoundsTop
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:230

isInBoundsX

isInBoundsX(x: any): boolean
BELOW METHODS FOR BOUNDS CHECK
Parameters
- x: any
Returns boolean
Inherited from ViewPortHandler.isInBoundsX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:225

isInBoundsY

isInBoundsY(y: any): boolean
Parameters
- y: any
Returns boolean
Inherited from ViewPortHandler.isInBoundsY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:226

limitTransAndScale

limitTransAndScale(matrix: Matrix, content: Rect): void
limits the maximum scale and X translation of the given matrix
Parameters
- matrix: Matrix
- content: Rect
Returns void
Inherited from ViewPortHandler.limitTransAndScale
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:182

refresh

refresh(newMatrix: Matrix, chart: CanvasView, invalidate: any): Matrix
call this method to refresh the graph with a given matrix
Parameters
- newMatrix: Matrix
- chart: CanvasView
- invalidate: any
Returns Matrix
Inherited from ViewPortHandler.refresh
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:173

resetZoom

resetZoom(outputMatrix: any): void
Zooms out to original size.
Parameters
- outputMatrix: any
Returns void
Inherited from ViewPortHandler.resetZoom
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:107

restrainViewPort

restrainViewPort(
    offsetLeft: any,
    offsetTop: any,
    offsetRight: any,
    offsetBottom: any,
): void
Parameters
- offsetLeft: any
- offsetTop: any
- offsetRight: any
- offsetBottom: any
Returns void
Inherited from ViewPortHandler.restrainViewPort
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:73

setChartDimens

setChartDimens(width: any, height: any): void
Sets the width and height of the chart.
Parameters
- width: any
- height: any
Returns void
Inherited from ViewPortHandler.setChartDimens
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:71

setDragOffsetX

setDragOffsetX(offset: any): void
Set an offset in dp that allows the user to drag the chart over it's bounds on the x-axis.
Parameters
- offset: any
Returns void
Inherited from ViewPortHandler.setDragOffsetX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:271

setDragOffsetY

setDragOffsetY(offset: any): void
Set an offset in dp that allows the user to drag the chart over it's bounds on the y-axis.
Parameters
- offset: any
Returns void
Inherited from ViewPortHandler.setDragOffsetY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:278

setMaximumScaleX

setMaximumScaleX(xScale: any): void
Sets the maximum scale factor for the x-axis
Parameters
- xScale: any
Returns void
Inherited from ViewPortHandler.setMaximumScaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:194

setMaximumScaleY

setMaximumScaleY(yScale: any): void
Sets the maximum scale factor for the y-axis
Parameters
- yScale: any
Returns void
Inherited from ViewPortHandler.setMaximumScaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:213

setMinimumScaleX

setMinimumScaleX(xScale: any): void
Sets the minimum scale factor for the x-axis
Parameters
- xScale: any
Returns void
Inherited from ViewPortHandler.setMinimumScaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:188

setMinimumScaleY

setMinimumScaleY(yScale: any): void
Sets the minimum scale factor for the y-axis
Parameters
- yScale: any
Returns void
Inherited from ViewPortHandler.setMinimumScaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:207

setMinMaxScaleX

setMinMaxScaleX(minScaleX: any, maxScaleX: any): void
Sets the minimum and maximum scale factors for the x-axis
Parameters
- minScaleX: any
- maxScaleX: any
Returns void
Inherited from ViewPortHandler.setMinMaxScaleX
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:201

setMinMaxScaleY

setMinMaxScaleY(minScaleY: any, maxScaleY: any): void
Parameters
- minScaleY: any
- maxScaleY: any
Returns void
Inherited from ViewPortHandler.setMinMaxScaleY
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:214

setScale

setScale(scaleX: any, scaleY: any): void
Parameters
- scaleX: any
- scaleY: any
Returns void
Inherited from ViewPortHandler.setScale
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:174

setZoom

setZoom(scaleX: any, scaleY: any, outputMatrix: any): any
Sets the scale factor to the specified values.
Parameters
- scaleX: any
- scaleY: any
- outputMatrix: any
Returns any
Inherited from ViewPortHandler.setZoom
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:133

setZoomAtPosition

setZoomAtPosition(scaleX: any, scaleY: any, x: any, y: any): Matrix
Sets the scale factor to the specified values. x and y is pivot.
Parameters
- scaleX: any
- scaleY: any
- x: any
- y: any
Returns Matrix
Inherited from ViewPortHandler.setZoomAtPosition
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:143

translate

translate(transformedPts: any, outputMatrix?: any): any
Post-translates to the specified points. Output matrix allows for caching objects.
Parameters
- transformedPts: any
- OptionaloutputMatrix: any
Returns any
Inherited from ViewPortHandler.translate
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:155

zoom

zoom(scaleX: any, scaleY: any, outputMatrix: any): any
Post-scales by the specified scale factors.
Parameters
- scaleX: any
- scaleY: any
- outputMatrix: any
Returns any
Inherited from ViewPortHandler.zoom
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:115

zoomAtPosition

zoomAtPosition(
    scaleX: any,
    scaleY: any,
    x: any,
    y: any,
    outputMatrix: Matrix,
): Matrix
Post-scales by the specified scale factors. x and y is pivot.
Parameters
- scaleX: any
- scaleY: any
- x: any
- y: any
- outputMatrix: Matrix
Returns Matrix
Inherited from ViewPortHandler.zoomAtPosition
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:125

zoomIn

zoomIn(x: any, y: any, outputMatrix: any): any
Zooms in by 1.4f, x and y are the coordinates (in pixels) of the zoom center.
Parameters
- x: any
- y: any
- outputMatrix: any
Returns any
Inherited from ViewPortHandler.zoomIn
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:101

zoomOut

zoomOut(x: any, y: any, outputMatrix: any): any
Parameters
- x: any
- y: any
- outputMatrix: any
Returns any
Inherited from ViewPortHandler.zoomOut
- Defined in packages/ui-chart/utils/ViewPortHandler.d.ts:102

Class HorizontalViewPortHandler

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Returns HorizontalViewPortHandler

Properties

chartHeight

ReadonlychartRect

chartWidth

ReadonlycontentRect

ProtectedmMatrixBuffer

mMatrixTouch

Accessors

contentBottom

Returns number

contentCenter

Returns { x: number; y: number }

contentLeft

Returns number

contentRight

Returns number

contentTop

Returns number

hasChartDimens

Returns boolean

offsetBottom

Returns number

offsetLeft

Returns number

offsetRight

Returns number

offsetTop

Returns number

scaleX

Returns number

scaleY

Returns number

smallestContentExtension

Returns number

Methods

canZoomInMoreX

Returns boolean

canZoomInMoreY

Returns boolean

canZoomOutMoreX

Returns boolean

canZoomOutMoreY

Returns boolean

centerViewPort

Parameters

Returns void

fitScreen

Parameters

Returns any

getMatrixTouch

Returns Matrix

getMaxScaleX

Returns number

getMaxScaleY

Returns number

getMinScaleX

Returns number

getMinScaleY

Returns number

getScaleX

Returns number

getScaleY

Returns number

getTransX

Returns number

getTransY

Returns number

hasNoDragOffset

Returns boolean

isFullyZoomedOut

`Readonly`chartRect

`Readonly`contentRect

`Protected`mMatrixBuffer