Class: ColortoolsColor

Inherits:
BaseColor show all
Defined in:
lib/libisi/color/colortools.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseColor

#adjust, #blue, #blue=, #brightness, #green, #green=, #hue, #object, #red, #red=, #rgb, #rgb=, #saturation

Constructor Details

#initialize(options = {}) ⇒ ColortoolsColor

Returns a new instance of ColortoolsColor.



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# File 'lib/libisi/color/colortools.rb', line 38

def initialize(options = {})    
  #Color::RGB.new(32, 64, 128)
  #Color::RGB.new(0x20, 0x40, 0x80)
  case options
  when Color::RGB
    @rgb_color = options
  when ColortoolsColor
    @rgb_color = options.rgb_color.dup      
  else
    raise "Require html color from options got: #{options.inspect}" unless 
	options.class == String or options.class == Symbol
    if col = ColortoolsColor.get_color(options)
	@rgb_color = col.rgb_color
    else
	# try html color
	begin
 @rgb_color = Color::RGB.from_html(options)
	rescue ArgumentError
 raise "Color #{options} not found"
	end
    end
  end
end

Instance Attribute Details

#rgb_color ⇒ Object

Returns the value of attribute rgb_color.



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# File 'lib/libisi/color/colortools.rb', line 36

def rgb_color
  @rgb_color
end

Class Method Details

.get_color(name) ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 24

def ColortoolsColor.get_color(name)
  normalized_name = name.to_s.split("_").map {|n| n.capitalize}.join

  Color::RGB.constants.each {|c|
    if c == normalized_name or
 c.scan(/[A-Z][a-z]*/).map {|n| n.downcase}.join.capitalize == normalized_name
	return ColortoolsColor.new(Color::RGB.const_get(c))
    end
  }
  return nil 
end

Instance Method Details

#brightness_implementation ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 83

def brightness_implementation; @rgb_color.brightness; end

#brightness_percentage_implementation(percentage) ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 84

def brightness_percentage_implementation(percentage)
  @rgb_color = @rgb_color.adjust_brightness(percentage)
end

#data(mime_type) ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 62

def data(mime_type)
  case mime_type
  when "text/htmlcolor"
    return @rgb_color.html
  else
    raise "Dont know how to be a #{mime_type}"
  end
end

#html ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 75

def html
  @rgb_color.html
end

#html=(value) ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 71

def html=(value)
  @rgb_color = Color::RGB.from_html(value)
end

#hue_percentage_implementation(percentage) ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 79

def hue_percentage_implementation(percentage)
  @rgb_color = @rgb_color.adjust_hue(percentage)
end

#saturation_percentage_implementation(percentage) ⇒ Object 



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# File 'lib/libisi/color/colortools.rb', line 88

def saturation_percentage_implementation(percentage)
  @rgb_color = @rgb_color.adjust_saturation(percentage)
end