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Contents
# Class representing a rectangular shape
class Wx::Rect
# Nicely readable inspect output for Rect
def to_s
"#<Wx::Rect: (#{left}, #{top}) #{width}x#{height}>"
end
def inspect
to_s
end
# make Rect usable for parallel assignments like `left, top, width, height = rect`
def to_ary
[left, top, width, height]
end
# Correct comparison for Wx::Rect, are the same if have the same
# position and the same size
def ==(other)
if Wx::Rect === other
left == other.left and top == other.top and
width == other.width and height == other.height
elsif Array === other && other.size == 4
to_ary == other
else
Kernel.raise TypeError, "Cannot compare Rect to #{other}"
end
end
def eql?(other)
if Wx::Rect === other
left == other.left and top == other.top and
width == other.width and height == other.height
else
false
end
end
# make sure union and intersect are constant operations, i.e. not changing self
wx_union = instance_method :union
define_method :union do |rect|
wx_union.bind(Wx::Rect.new(*self.to_ary)).call(rect)
end
wx_intersect = instance_method :intersect
define_method :intersect do |rect|
wx_intersect.bind(Wx::Rect.new(*self.to_ary)).call(rect)
end
alias :+ :add
alias :* :mul
alias :& :intersect
alias :| :union
# More ruby-ish names
alias :contains? :contains
end
Version data entries
5 entries across 5 versions & 1 rubygems