Module: Prawn::Graphics::JoinStyle

Included in:
Prawn::Graphics
Defined in:
lib/prawn/graphics/join_style.rb

Overview

Implements stroke join styling.

Constant Summary collapse

JOIN_STYLES = 
{ miter: 0, round: 1, bevel: 2 }.freeze

Stable API collapse

Instance Method Details

#join_style ⇒ :miter, ... #join_style(style) ⇒ void Also known as: join_style=

Get or set the join style for stroked lines and curves.

Overloads:

  • #join_style ⇒ :miter, ...

    Get current join style.

  • #join_style(style) ⇒ void
    Note:

    If this method is never called, ‘:miter` will be used for join style throughout the document.

    This method returns an undefined value.

    Set join style.



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# File 'lib/prawn/graphics/join_style.rb', line 29

def join_style(style = nil)
  return current_join_style || :miter if style.nil?

  self.current_join_style = style

  unless JOIN_STYLES.key?(current_join_style)
    raise Prawn::Errors::InvalidJoinStyle,
      "#{style} is not a recognized join style. Valid styles are " +
        JOIN_STYLES.keys.join(', ')
  end

  write_stroke_join_style
end