module HexaPDF::Content::LineCapStyle
Defines all available line cap styles as constants. Each line cap style is an instance of NamedValue
. For use with Content::GraphicsState#line_cap_style
.
See: PDF1.7 s8.4.3.3
Constants
- BUTT_CAP
Stroke is squared off at the endpoint of a path.
- PROJECTING_SQUARE_CAP
The stroke continues half the line width beyond the endpoint of a path.
- ROUND_CAP
A semicircular arc is drawn at the endpoint of a path.
Public Class Methods
normalize(style)
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Returns the argument normalized to a valid line cap style.
-
0 or
:butt
can be used for theBUTT_CAP
style. -
1 or
:round
can be used for theROUND_CAP
style. -
2 or
:projecting_square
can be used for thePROJECTING_SQUARE_CAP
style. -
Otherwise an error is raised.
# File lib/hexapdf/content/graphics_state.rb, line 86 def self.normalize(style) case style when :butt, 0 then BUTT_CAP when :round, 1 then ROUND_CAP when :projecting_square, 2 then PROJECTING_SQUARE_CAP else raise ArgumentError, "Unknown line cap style: #{style}" end end