Class DrawingModeAbstract

constructor

• new DrawingMode(canvas: DrawingCanvas): DrawingMode

  Parameters

  • canvas: DrawingCanvas

  Returns DrawingMode

Abstract Readonlyname

activate

• activate(): void

  Called when this mode becomes active

  Returns void

deactivate

• deactivate(): void

  Called when this mode becomes inactive

  Returns void

drawOverlay

• drawOverlay(_canvas: Canvas): void

  Draw any in-progress overlay for this mode. Called during the DrawingCanvas onDraw pass after all layers.

  Parameters

  • _canvas: Canvas

  Returns void

onLayerRemoved

• onLayerRemoved(shape: DrawableShape, index: number): void

  Parameters

  • shape: DrawableShape
  • index: number

  Returns void

onSnapShotRestored

• onSnapShotRestored(): void

  Returns void

onTouchCancel

• onTouchCancel(_point: TouchPoint, _event?: any): void

  Called when the touch is cancelled

  Parameters

  • _point: TouchPoint
  • Optional_event: any

  Returns void

onTouchEnd

• onTouchEnd(_point: TouchPoint, _event?: any): void

  Called when the touch ends

  Parameters

  • _point: TouchPoint
  • Optional_event: any

  Returns void

onTouchMove

• onTouchMove(_point: TouchPoint, _event?: any): void

  Called as the touch moves

  Parameters

  • _point: TouchPoint
  • Optional_event: any

  Returns void

onTouchStart

• onTouchStart(_point: TouchPoint, _event?: any): void

  Called when a touch begins

  Parameters

  • _point: TouchPoint
  • Optional_event: any

  Returns void