class TermSlides::Diagram
Attributes
dot[R]
height[R]
width[R]
Public Class Methods
new(renderer, dot, width = nil, height = nil)
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# File lib/term-slides.rb, line 136 def initialize renderer, dot, width = nil, height = nil @renderer = renderer @dot = dot @width = width @height = height end
Public Instance Methods
build()
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# File lib/term-slides.rb, line 142 def build $i ||= 0 path = "term_slide_graph#{$i}.png" dot = 'dot' if find_executable dot dot_contents = @dot.respond_to?(:call) ? @dot.call : @dot input_path = "/tmp/graphviz-term-slides" File.write(input_path, dot_contents) `#{dot} #{input_path} -Tpng > #{path}` $i += 1 end path end
render()
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# File lib/term-slides.rb, line 155 def render @renderer.render_diagram self end