drawTextBlock( ctx: CanvasRenderingContext2D, left: number, top: number, originRatioAndOffset?: [number, number, number, number], text: string, fontStyle?: string, borderWidth?: number, fgStyle?: string, bgStyle?: string,): void 参数
- ctx: CanvasRenderingContext2D
- left: number
- top: number
- originRatioAndOffset: [number, number, number, number] = ...
- text: string
- fontStyle: string = '12px Arial'
- borderWidth: number = 2
- fgStyle: string = '#FFF'
- bgStyle: string = '#000A'
返回 void