Properties
Private Optional _canvasContext
_canvasContext?: CanvasRenderingContext2D
Private _domElement
_domElement: HTMLCanvasElement | HTMLDivElement
Private _lineHeight
_lineHeight: number = 0
Private _targetProps
_targetProps: {
label: string;
obj: any;
propName: string | number | symbol;
}[] = []
Private _text
_text: string = ""
毎フレーム更新する