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# encoding: utf-8
# cap_style.rb : Implements stroke cap styling
#
# Contributed by Daniel Nelson. October, 2009
#
# This is free software. Please see the LICENSE and COPYING files for details.
#
module Prawn
module Graphics
module CapStyle
# @group Stable API
CAP_STYLES = { :butt => 0, :round => 1, :projecting_square => 2 }
# Sets the cap style for stroked lines and curves
#
# style is one of :butt, :round, or :projecting_square
#
# NOTE: If this method is never called, :butt will be used by default.
#
def cap_style(style = nil)
return current_cap_style || :butt if style.nil?
self.current_cap_style = style
write_stroke_cap_style
end
alias_method :cap_style=, :cap_style
private
def current_cap_style
graphic_state.cap_style
end
def current_cap_style=(style)
graphic_state.cap_style = style
end
def write_stroke_cap_style
renderer.add_content "#{CAP_STYLES[current_cap_style]} J"
end
end
end
end
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