Function textWriter

utils/makerQRPost.ts:84–104

(
    textArr: string[],
    Style: string,
    align: CanvasTextAlign,
    color: string,
    borderColor: string,
    fontSize: number,
    lineHeight: number,
    pos: Position,
    ctx: CanvasRenderingContext2D
  )

  // 绘制文本
  const textWriter = (
    textArr: string[],
    Style: string,
    align: CanvasTextAlign,
    color: string,
    borderColor: string,
    fontSize: number,
    lineHeight: number,
    pos: Position,
    ctx: CanvasRenderingContext2D
  ): Position => {
    ctx.font = Style
    ctx.textAlign = align
    ctx.fillStyle = color
    ctx.strokeStyle = borderColor
    for (const text of textArr) {
      pos.y += fontSize * lineHeight
      ctx.fillText(text, pos.x, pos.y)
    }
    return pos
  }

  // 生成海报
  const makerQRPost = (): void => {