class Minichart::Meter
Base
class for charts with a single value
Public Class Methods
meter_defaults()
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# File lib/minichart/meters/meter.rb, line 6 def meter_defaults @meter_defaults ||= { max: 100, notches: [], notch_thickness: 4, notch_color: 'black', clipping_indicator: false, clipping_indicator_thickness: 4, clipping_indicator_color: 'yellow', padding: 2, } end
Protected Instance Methods
clamped_value()
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# File lib/minichart/meters/meter.rb, line 44 def clamped_value case mode when :positive value.clamp 0, options[:max] when :negative value.clamp -options[:max], 0 when :dual value.clamp -options[:max], options[:max] end end
clipping?()
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# File lib/minichart/meters/meter.rb, line 26 def clipping? value > options[:max] || value < -options[:max] end
mode()
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# File lib/minichart/meters/meter.rb, line 30 def mode @mode ||= mode! end
mode!()
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# File lib/minichart/meters/meter.rb, line 34 def mode! options[:mode] ||= :auto if options[:mode] == :auto value >= 0 ? :positive : :negative else options[:mode].to_sym end end
style()
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# File lib/minichart/meters/meter.rb, line 55 def style { fill: options[:color], stroke_width: options[:stroke], stroke: options[:background] } end
value()
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# File lib/minichart/meters/meter.rb, line 22 def value data end