module Prawn::Graphics::Dash
Public Instance Methods
dash(length=nil, options={})
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Sets the dash pattern for stroked lines and curves
length is the length of the dash. If options is not present, or options[:space] is nil, then length is also the length of the space between dashes options may contain :space and :phase :space is the space between the dashes :phase is where in the cycle to begin dashing. For example, a phase of 0 starts at the beginning of the dash; whereas, if the phase is equal to the length of the dash, then stroking will begin at the beginning of the space. Default is 0 integers or floats may be used for length and the options dash units are in PDF points ( 1/72 in )
# File lib/prawn/graphics/dash.rb, line 30 def dash(length=nil, options={}) return @dash || undash_hash if length.nil? @dash = { :dash => length, :space => options[:space] || length, :phase => options[:phase] || 0 } write_stroke_dash end
Also aliased as: dash=
dashed?()
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Returns when stroke is dashed, false otherwise
# File lib/prawn/graphics/dash.rb, line 51 def dashed? dash != undash_hash end
undash()
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Stops dashing, restoring solid stroked lines and curves
# File lib/prawn/graphics/dash.rb, line 44 def undash @dash = undash_hash write_stroke_dash end
Private Instance Methods
undash_hash()
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# File lib/prawn/graphics/dash.rb, line 57 def undash_hash { :dash => nil, :space => nil, :phase => 0 } end
write_stroke_dash()
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# File lib/prawn/graphics/dash.rb, line 61 def write_stroke_dash if @dash[:dash].nil? add_content "[] 0 d" return end add_content "[#{@dash[:dash]} #{@dash[:space]}] #{@dash[:phase]} d" end