prawnpdf/prawn

# frozen_string_literal: true

require 'prawn/manual_builder'

Prawn::ManualBuilder::Chapter.new do
  title 'Stretchy Bounding Box'

  text do
    prose <<~TEXT
      Bounding Boxes accept an optional <code>:height</code> parameter. Unless
      it is provided the bounding box will be stretchy. It will expand the
      height to fit all content generated inside it.
    TEXT
  end

  example do
    y_position = cursor
    bounding_box([0, y_position], width: 200, height: 100) do
      text 'This bounding box has a height of 100. If this text gets too large ' \
        'it will flow to the next page.'

      transparent(0.5) { stroke_bounds }
    end

    bounding_box([300, y_position], width: 200) do
      text 'This bounding box has variable height. No matter how much text is ' \
        'written here, the height will expand to fit.'

      text ' _' * 100

      text ' *' * 100

      transparent(0.5) { stroke_bounds }
    end
  end
end