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Contents
module Vedeu
# The size of the terminal is a limitation. Defining a canvas means we have
# more space to 'do stuff'.
class Canvas
include Singleton
# @!attribute [r] yn
# @return [Fixnum]
attr_reader :yn
alias_method :bottom, :yn
alias_method :height, :yn
# @!attribute [r] xn
# @return [Fixnum]
attr_reader :xn
alias_method :right, :xn
alias_method :width, :xn
# @return [Vedeu::Canvas]
def self.canvas
instance
end
# @param yn [Fixnum]
# @param xn [Fixnum]
# @return [Vedeu::Canvas]
def configure(yn, xn)
@yn = yn
@xn = xn
self
end
# @return [Array]
def c
[cy, cx]
end
alias_method :centre, :c
# @return [Fixnum]
def cy
(height / 2) + y
end
alias_method :centre_y, :cy
# @return [Fixnum]
def cx
(width / 2) + x
end
alias_method :centre_x, :cx
# @return [Fixnum]
def o
1
end
alias_method :origin, :o
# @return [Fixnum]
def height
(y..yn).size
end
# @return [Fixnum]
def width
(x..xn).size
end
# @return [Fixnum]
def y
1
end
alias_method :top, :y
# @return [Fixnum]
def x
1
end
alias_method :left, :x
end # Canvas
end # Vedeu
Version data entries
10 entries across 10 versions & 1 rubygems