Class: Rszr::Color::Point

Inherits:
Object
  • Object
show all
Defined in:
lib/rszr/color/point.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(position, color) ⇒ Point

Returns a new instance of Point.

Raises:

  • (ArgumentError) 


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# File 'lib/rszr/color/point.rb', line 13

def initialize(position, color)
  raise ArgumentError, 'position must be within 0..1' unless (0..1).cover?(position)
  raise ArgumentError, 'color must be a Rszr::Color::Base' unless color.is_a?(Rszr::Color::Base)
  @position, @color = position, color
end

Instance Attribute Details

#color ⇒ Object (readonly)

Returns the value of attribute color.



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# File 'lib/rszr/color/point.rb', line 5

def color
  @color
end

#position ⇒ Object (readonly)

Returns the value of attribute position.



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# File 'lib/rszr/color/point.rb', line 5

def position
  @position
end

Class Method Details

.prgba(position, red, green, blue, alpha = 255) ⇒ Object 



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# File 'lib/rszr/color/point.rb', line 8

def prgba(position, red, green, blue, alpha = 255)
  new(position, RGBA.new(red, green, blue, alpha))
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/rszr/color/point.rb', line 19

def <=>(other)
  position <=> other.position
end

#prgba ⇒ Object 



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# File 'lib/rszr/color/point.rb', line 23

def prgba
  [position, *color.rgba]
end