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Contents
# items.rb: individual legend items
# copyright (c) 2008,2009 by Vincent Fourmond
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details (in the COPYING file).
require 'ctioga2/utils'
require 'ctioga2/log'
module CTioga2
module Graphics
module Legends
# This class is in charge of providing a legend for the given
# dataset. Most of its job is simply to collect --legend
# arguments from the command-line.
class LegendProvider
# The legend to be used for the next curve, if applicable
attr_accessor :current_legend
# Whether we automatically give a name to curves or not.
attr_accessor :auto_legend
def initialize
@current_legend = nil
@auto_legend = false
end
# Returns a legend suitable for the next curve.
def dataset_legend(dataset)
if @current_legend
l = @current_legend
@current_legend = nil
return l
elsif @auto_legend
return "\\texttt{#{Utils::tex_quote_string(dataset.name)}}"
else
return nil
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems