Class: CTioga2::MetaBuilder::Types::TiogaColorType

Inherits:
CTioga2::MetaBuilder::Type show all
Defined in:
lib/ctioga2/metabuilder/types/styles.rb

Overview

A color for use with Tioga, ie a [red, green, blue] array of values between 0 and 1.0. It accepts HTML-like colors, or three comma-separated values between 0 and 1.

Constant Summary collapse

HLSRegexp = 
/(?:hls):/i

Instance Attribute Summary

Attributes inherited from CTioga2::MetaBuilder::Type

#passthrough, #re_shortcuts, #shortcuts, #type

Instance Method Summary collapse

Methods inherited from CTioga2::MetaBuilder::Type

#boolean?, #default_value, from_string, get_param_type, get_type, #initialize, #option_parser_long_option, #option_parser_option, #string_to_type, #type_name, type_name, #type_to_string

Constructor Details

This class inherits a constructor from CTioga2::MetaBuilder::Type

Instance Method Details

#string_to_type_internal(str) ⇒ Object 



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# File 'lib/ctioga2/metabuilder/types/styles.rb', line 37

def string_to_type_internal(str)
  if str =~ HLSRegexp
    hls = true
    str = str.gsub(HLSRegexp,'')
  else
    hls = false
  end
  if str =~ /^\s*#([0-9a-fA-F]{6})\s*$/
    value =  $1.scan(/../).map {
      |i| i.to_i(16)/255.0 
    }
  elsif str =~ /^\s*#([0-9a-fA-F]{3})\s*$/
    value =  $1.scan(/./).map {
      |i| i.to_i(16)/15.0 
    }
  else
    value = str.split(/\s*,\s*/).map do |s|
      s.to_f
    end
  end
  if value.size != 3
    raise IncorrectInput, "You need exactly three values to make up a color"
  end
  if hls
    # Requires Tioga r599
    value = Tioga::FigureMaker.hls_to_rgb(value)
  end
  return value
end