Class Polygon

Hierarchy (view full)

Figure
- Polygon

Constructors

constructor

new Polygon(points, options?): Polygon
Parameters
- points: Vector2[]
- Optional options: PolygonOptions
Returns Polygon
Overrides Figure.constructor
- Defined in basic/src/widgets/figures/polygon.ts:16

Properties

animationInstances

animationInstances: AnimationInstance<Widget>[] = []

centerX

centerX: number

centerY

centerY: number

children

children: Widget[] = []

The child-widgets of the widget.

display

display: boolean = true

eventInstances

eventInstances: EventInstance<Widget>[] = []

fillPaint

fillPaint: Paint

hasSet

hasSet: boolean = false

isImplemented

isImplemented: boolean = false

key

key: string = ...

last

last: Widget = ...

parent

parent: Widget

path

path: Path

plugins

plugins: WidgetPlugin[] = []

points

points: Vector2[]

progress

progress: number

setups

setups: {
    generator: Generator<number | {
        animation: Animation<any>;
        duration: number;
        mode: "async" | "sync";
        params: Record<string, any>;
        setAsync: (() => { animation: Animation<any>; mode: "async" | "sync"; duration: number; params: Record<string, any>; setAsync: () => ...; setSync: () => ...; });
        setSync: (() => { animation: Animation<any>; mode: "async" | "sync"; duration: number; params: Record<string, any>; setAsync: () => ...; setSync: () => ...; });
    }, void, unknown>;
    nextFrame: number;
}[] = []

Type declaration

generator: Generator<number | {
    animation: Animation<any>;
    duration: number;
    mode: "async" | "sync";
    params: Record<string, any>;
    setAsync: (() => { animation: Animation<any>; mode: "async" | "sync"; duration: number; params: Record<string, any>; setAsync: () => ...; setSync: () => ...; });
    setSync: (() => { animation: Animation<any>; mode: "async" | "sync"; duration: number; params: Record<string, any>; setAsync: () => ...; setSync: () => ...; });
}, void, unknown>
nextFrame: number

strokePaint

strokePaint: Paint

style

style: FigureStyle

updates

updates: ((elapsed, widget) => void)[] = []

Type declaration

- (elapsed, widget): void
- Parameters
  - elapsed: number
  - widget: Widget
  Returns void

x

x: number

y

y: number

Methods

_isAsyncWidget

_isAsyncWidget(): boolean
Returns boolean
Inherited from Figure._isAsyncWidget
- Defined in core/src/widget.ts:284

add

add(...children): this
Add children widgets for the widget.
Parameters
- Rest ...children: Widget[]
  The added children.
Returns this
Inherited from Figure.add
- Defined in core/src/widget.ts:144

animate

animate(animation, startAt, during, params?): this
Parameters
- animation: Animation<any>
- startAt: number
- during: number
- Optional params: Record<string, any>
Returns this
Inherited from Figure.animate
- Defined in core/src/widget.ts:153

animateTree

animateTree(tree, startAt): void
Parameters
- tree: AnimationTree
- startAt: number
Returns void
Inherited from Figure.animateTree
- Defined in core/src/widget.ts:184

copy

copy(): this
Returns this
Inherited from Figure.copy
- Defined in core/src/widget.ts:298

draw

draw(canvas): void
Draw the object according to the parameters of the widget. Called when the parameters is changed.
Parameters
- canvas: Canvas
  The canvas object of CanvasKit-WASM.
Returns void
Overrides Figure.draw
- Defined in basic/src/widgets/figures/polygon.ts:121

hide

hide(): this
Returns this
Inherited from Figure.hide
- Defined in core/src/widget.ts:293

init

init(ck): void
Called when the widget is registered.
Parameters
- ck: CanvasKit
  The CanvasKit namespace
Returns void
Overrides Figure.init
- Defined in basic/src/widgets/figures/polygon.ts:21

isIn

isIn(x, y): boolean
p :[x,y] ,带判定的P点 this.points: [[x0,y0],[x1,y1]......] 多边形的路径
Parameters
- x: number
- y: number
Returns boolean
Overrides Figure.isIn
- Defined in basic/src/widgets/figures/polygon.ts:133

on

on(event, effect): this
Parameters
- event: Event<Widget>
- effect: ((widget, ...args) => any)
  - - (widget, ...args): any
    - Parameters
      widget: Widget
      Rest ...args: any[]
      Returns any
Returns this
Inherited from Figure.on
- Defined in core/src/widget.ts:171

predraw

predraw(ck, propertyChanged): void
Preload the necessary items during drawing. Called when the properties of the widget is changed. In common, we use it to initializing Paint, Rect, Path, etc.
Parameters
- ck: CanvasKit
- propertyChanged: string
Returns void
Overrides Figure.predraw
- Defined in basic/src/widgets/figures/polygon.ts:64

preupdate

preupdate(ck, propertyChanged?): void
Called when the parameters is changed.
Parameters
- ck: CanvasKit
  The namespace of CanvasKit-WASM.
- Optional propertyChanged: string
Returns void
Inherited from Figure.preupdate
- Defined in core/src/widget.ts:118

processSetups

processSetups(elapsed): void
Parameters
- elapsed: number
Returns void
Inherited from Figure.processSetups
- Defined in core/src/widget.ts:259

runAnimation

runAnimation(elapsed): void
Parameters
- elapsed: number
Returns void
Inherited from Figure.runAnimation
- Defined in core/src/widget.ts:188

setEventListener

setEventListener(element): void
Parameters
- element: HTMLCanvasElement
Returns void
Inherited from Figure.setEventListener
- Defined in core/src/widget.ts:219

setUpdate

setUpdate(updateFunc): this
Set up a update function to call it when the widget is changed.
Parameters
- updateFunc: ((elapsed, widget) => void)
  The frame from having gone to current frame.
  - - (elapsed, widget): void
    - Parameters
      elapsed: number
      widget: Widget
      Returns void
Returns this
Inherited from Figure.setUpdate
- Defined in core/src/widget.ts:231

setup

setup<T>(setupFunc): this
Type Parameters
- T extends Widget
Parameters
- setupFunc: SetupFunction<T>
Returns this
Inherited from Figure.setup
- Defined in core/src/widget.ts:237

show

show(): this
Returns this
Inherited from Figure.show
- Defined in core/src/widget.ts:288

update

update(canvas): void
Update the object according to the style of the widget. Called when the style is changed.
Parameters
- canvas: Canvas
  The canvas object of CanvasKit-WASM.
Returns void
Inherited from Figure.update
- Defined in core/src/widget.ts:127

use

use(...plugins): void
Parameters
- Rest ...plugins: WidgetPlugin[]
Returns void
Inherited from Figure.use
- Defined in core/src/widget.ts:280

`Static` absoluteToRelative

absoluteToRelative(widget, x, y): {
x: number;
y: number;
}
Parameters
- widget: Widget
- x: number
- y: number
Returns {
x: number;
y: number;
}
- x: number
- y: number
Inherited from Figure.absoluteToRelative
- Defined in core/src/widget.ts:329

`Static` getAbsoluteCoordinates

getAbsoluteCoordinates(widget): {
x: number;
y: number;
}
Parameters
- widget: Widget
Returns {
x: number;
y: number;
}
- x: number
- y: number
Inherited from Figure.getAbsoluteCoordinates
- Defined in core/src/widget.ts:307

Class Polygon

Hierarchy (view full)

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

Returns Polygon

Properties

animationInstances

centerX

centerY

children

display

eventInstances

fillPaint

hasSet

isImplemented

key

last

parent

path

plugins

points

progress

setups

Type declaration

nextFrame: number

strokePaint

style

updates

Type declaration

Parameters

Returns void

x

y

Methods

_isAsyncWidget

Returns boolean

add

Parameters

Returns this

animate

Parameters

Returns this

animateTree

Parameters

Returns void

copy

Returns this

draw

Parameters

Returns void

hide

Returns this

init

Parameters

Returns void

isIn

Parameters

Returns boolean

on

Parameters

Parameters

Returns any

Returns this

predraw

Parameters

Returns void

preupdate

Parameters

Returns void

processSetups

Parameters

Returns void

runAnimation

Parameters

Returns void

`Static` absoluteToRelative

Returns {
x: number;
y: number;
}

`Static` getAbsoluteCoordinates

Returns {
x: number;
y: number;
}