Class: Quartz::Color

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

Constant Summary collapse

@@Gray = 
nil
@@RGB = 
nil
@@CMYK = 
nil

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(colorspace, *components) ⇒ Color

Returns a new instance of Color.



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# File 'lib/rubyquartz/color.rb', line 35

def initialize(colorspace, *components)
  @colorspace = colorspace
  @components = components
  _initialize_with_components(colorspace, components)
end

Instance Attribute Details

#colorspace ⇒ Object (readonly)

Returns the value of attribute colorspace.



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# File 'lib/rubyquartz/color.rb', line 33

def colorspace
  @colorspace
end

Class Method Details

.cmyk(c, m, y, k, a = 1.0) ⇒ Object 



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# File 'lib/rubyquartz/color.rb', line 53

def self.cmyk(c, m, y, k, a = 1.0)
  @@CMYK = ColorSpace.new(:name => ColorSpace::GENERIC_CMYK) if @@CMYK.nil?
  new(@@CMYK, c, m, y, k, a)
end

.gray(g, a = 1.0) ⇒ Object 



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# File 'lib/rubyquartz/color.rb', line 43

def self.gray(g, a = 1.0)
  @@Gray = ColorSpace.new(:name => ColorSpace::GENERIC_GRAY) if @@Gray.nil?
  new(@@Gray, g, a)
end

.hsv(h, s, v, a = 1.0) ⇒ Object 



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# File 'lib/rubyquartz/color.rb', line 58

def self.hsv(h, s, v, a = 1.0)
  components = [h, s, v]
  convert_hsv_to_rgb(components)
  rgb(components[0], components[1], components[2], a)
end

.rgb(r, g, b, a = 1.0) ⇒ Object 



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# File 'lib/rubyquartz/color.rb', line 48

def self.rgb(r, g, b, a = 1.0)
  @@RGB = ColorSpace.new(:name => ColorSpace::GENERIC_RGB) if @@RGB.nil?
  new(@@RGB, r, g, b, a)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/rubyquartz/color.rb', line 64

def to_s
  "<Color: #{@colorspace.name} #{@components.join(" ")}"
end