def initialize(width=nil, height=nil, x=nil, y=nil, flag=nil)
raise(ArgumentError, "width set to #{width.to_s}") if width.is_a? GeometryValue
raise(ArgumentError, "height set to #{height.to_s}") if height.is_a? GeometryValue
raise(ArgumentError, "x set to #{x.to_s}") if x.is_a? GeometryValue
raise(ArgumentError, "y set to #{y.to_s}") if y.is_a? GeometryValue
if width == nil
@width = 0
elsif width.to_f >= 0.0
@width = width.to_f
else
Kernel.raise ArgumentError, "width must be >= 0: #{width}"
end
if height == nil
@height = 0
elsif height.to_f >= 0.0
@height = height.to_f
else
Kernel.raise ArgumentError, "height must be >= 0: #{height}"
end
@x = x.to_i
@y = y.to_i
@flag = flag
end