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module Axlsx
# The Scaling class defines axis scaling
class Scaling
# logarithmic base for a logarithmic axis.
# must be between 2 and 1000
# @return [Integer]
attr_reader :logBase
# the orientation of the axis
# must be one of [:minMax, :maxMin]
# @return [Symbol]
attr_reader :orientation
# the maximum scaling
# @return [Float]
attr_reader :max
# the minimu scaling
# @return [Float]
attr_reader :min
# creates a new Scaling object
# @option options [Integer, Fixnum] logBase
# @option options [Symbol] orientation
# @option options [Float] max
# @option options [Float] min
def initialize(options={})
@orientation = :minMax
@logBase, @min, @max = nil, nil, nil
options.each do |o|
self.send("#{o[0]}=", o[1]) if self.respond_to? "#{o[0]}="
end
end
# @see logBase
def logBase=(v) DataTypeValidator.validate "Scaling.logBase", [Integer, Fixnum], v, lambda { |arg| arg >= 2 && arg <= 1000}; @logBase = v; end
# @see orientation
def orientation=(v) RestrictionValidator.validate "Scaling.orientation", [:minMax, :maxMin], v; @orientation = v; end
# @see max
def max=(v) DataTypeValidator.validate "Scaling.max", Float, v; @max = v; end
# @see min
def min=(v) DataTypeValidator.validate "Scaling.min", Float, v; @min = v; end
# Serializes the axId
# @param [Nokogiri::XML::Builder] xml The document builder instance this objects xml will be added to.
# @return [String]
def to_xml(xml)
xml.send('c:scaling') {
xml.send('c:logBase', :val=> @logBase) unless @logBase.nil?
xml.send('c:orientation', :val=> @orientation) unless @orientation.nil?
xml.send('c:min', :val => @min) unless @min.nil?
xml.send('c:max', :val => @max) unless @max.nil?
}
end
end
end
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