Ruby on rails 无法在对虾中绘制边界框边框

如何使用特定设置在边界框周围绘制边框

bounding_box([175, starting_y - 190], :width => 30.mm, :height => 17.mm) do
  stroke_color 'FFFF00'
  dash 10, space: 4
  stroke_bounds
end

我想有边界点为底部单独，我将如何有这个

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我试着在stroke，stroke_bounds，bounding_box of prawn文档中搜索，我找不到任何东西

你可以分别画线：

require "prawn"

Prawn::Document.generate("bbox.pdf") do
  x = 175
  y = 200
  width = 100
  height = 50
  color = 'FFFF00'

  stroke do
    stroke_color color
    vertical_line   y, y+height, :at => x
    vertical_line   y, y+height, :at => x+width
    horizontal_line x, x+width,  :at => y+height
  end

  stroke do
    stroke_color color
    dash 10, space: 4
    horizontal_line x, x+width, :at => y
  end
end

它输出

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您想要一条虚线，还是三条连续线和一条虚线？