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Contents
# frozen_string_literal: true
module OoxmlParser
# Class for color transformations
class ColorProperties < OOXMLDocumentObject
# @return [ValuedChild] alpha value of color object
attr_reader :alpha_object
# @return [ValuedChild] luminance modulation value object
attr_reader :luminance_modulation_object
# @return [ValuedChild] luminance offset value object
attr_reader :luminance_offset_object
# @return [ValuedChild] tint value object
attr_reader :tint_object
# Parse ColorProperties object
# @param node [Nokogiri::XML:Element] node to parse
# @return [ColorProperties] result of parsing
def parse(node)
node.xpath('*').each do |node_child|
case node_child.name
when 'alpha'
@alpha_object = ValuedChild.new(:float, parent: self).parse(node_child)
when 'lumMod'
@luminance_modulation_object = ValuedChild.new(:float, parent: self).parse(node_child)
when 'lumOff'
@luminance_offset_object = ValuedChild.new(:float, parent: self).parse(node_child)
when 'tint'
@tint_object = ValuedChild.new(:float, parent: self).parse(node_child)
end
end
self
end
# @return [Integer] alpha value
def alpha
(@alpha_object.value / 1_000.0).round
end
# @return [Float] luminance modulation value
def luminance_modulation
@luminance_modulation_object.value / 100_000.0
end
# @return [Float] luminance offset value
def luminance_offset
@luminance_offset_object.value / 100_000.0
end
# @return [nil, Float] tint value
def tint
return nil unless @tint_object
@tint_object.value / 100_000.0
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems