1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# frozen_string_literal: true
# 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 }.freeze
# 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 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
|
