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# frozen_string_literal: true
module Axlsx
# 3D attributes for a chart.
class View3D
include Axlsx::OptionsParser
# Creates a new View3D for charts
# @option options [Integer] rot_x
# @option options [String] h_percent
# @option options [Integer] rot_y
# @option options [String] depth_percent
# @option options [Boolean] r_ang_ax
# @option options [Integer] perspective
def initialize(options = {})
@rot_x, @h_percent, @rot_y, @depth_percent, @r_ang_ax, @perspective = nil, nil, nil, nil, nil, nil
parse_options options
end
# Validation for hPercent
H_PERCENT_REGEX = /0*(([5-9])|([1-9][0-9])|([1-4][0-9][0-9])|500)/
# validation for depthPercent
DEPTH_PERCENT_REGEX = /0*(([2-9][0-9])|([1-9][0-9][0-9])|(1[0-9][0-9][0-9])|2000)/
# x rotation for the chart
# must be between -90 and 90
# @return [Integer]
attr_reader :rot_x
alias :rotX :rot_x
# height of chart as % of chart width
# must be between 5% and 500%
# @return [String]
attr_reader :h_percent
alias :hPercent :h_percent
# y rotation for the chart
# must be between 0 and 360
# @return [Integer]
attr_reader :rot_y
alias :rotY :rot_y
# depth or chart as % of chart width
# must be between 20% and 2000%
# @return [String]
attr_reader :depth_percent
alias :depthPercent :depth_percent
# Chart axis are at right angles
# @return [Boolean]
attr_reader :r_ang_ax
alias :rAngAx :r_ang_ax
# field of view angle
# @return [Integer]
attr_reader :perspective
# @see rot_x
def rot_x=(v)
RangeValidator.validate "View3D.rot_x", -90, 90, v
@rot_x = v
end
alias :rotX= :rot_x=
# @see h_percent
def h_percent=(v)
RegexValidator.validate "#{self.class}.h_percent", H_PERCENT_REGEX, v
@h_percent = v
end
alias :hPercent= :h_percent=
# @see rot_y
def rot_y=(v)
RangeValidator.validate "View3D.rot_y", 0, 360, v
@rot_y = v
end
alias :rotY= :rot_y=
# @see depth_percent
def depth_percent=(v) RegexValidator.validate "#{self.class}.depth_percent", DEPTH_PERCENT_REGEX, v; @depth_percent = v; end
alias :depthPercent= :depth_percent=
# @see r_ang_ax
def r_ang_ax=(v) Axlsx::validate_boolean(v); @r_ang_ax = v; end
alias :rAngAx= :r_ang_ax=
# @see perspective
def perspective=(v)
RangeValidator.validate "View3D.perspective", 0, 240, v
@perspective = v
end
# DataTypeValidator.validate "#{self.class}.perspective", [Integer], v, lambda {|arg| arg >= 0 && arg <= 240 }; @perspective = v; end
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
str << '<c:view3D>'
%w(rot_x h_percent rot_y depth_percent r_ang_ax perspective).each do |key|
str << element_for_attribute(key, 'c')
end
str << '</c:view3D>'
end
private
# NOTE: move this to Axlsx module if we find the same pattern elsewhere.
def element_for_attribute(name, namespace = '')
val = Axlsx.instance_values_for(self)[name]
return "" if val.nil?
"<%s:%s val='%s'/>" % [namespace, Axlsx::camel(name, false), val]
end
end
end
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