Class: WizRtf::Color

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

Constant Summary collapse

RED = 
'#FF0000'
YELLOW = 
'#FFFF00'
LIME = 
'#00FF00'
CYAN = 
'#00FFFF'
BLUE = 
'#0000FF'
MAGENTA = 
'#FF00FF'
MAROON = 
'#800000'
OLIVE = 
'#808000'
GREEN = 
'#008000'
TEAL = 
'#008080'
'#000080'
PURPLE = 
'#800080'
WHITE = 
'#FFFFFF'
SILVER = 
'#C0C0C0'
GRAY = 
'#808080'
BLACK = 
'#000000'

Instance Method Summary collapse

Constructor Details

#initialize(*rgb) ⇒ Color

Returns a new instance of Color.



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# File 'lib/wiz_rtf/color.rb', line 26

def initialize(*rgb)
  case rgb.size
    when 1
      from_rgb_hex(rgb.first)
    when 3
      from_rgb(*rgb)
  end
end

Instance Method Details

#from_rgb(*rgb) ⇒ Object 



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# File 'lib/wiz_rtf/color.rb', line 41

def from_rgb(*rgb)
  @red, @green, @blue = rgb
end

#from_rgb_hex(color) ⇒ Object 



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

def from_rgb_hex(color)
  color = '#%.6x' % color if color.is_a? Integer
  rgb = color[1,7].scan(/.{2}/).map{ |c| c.to_i(16) }
  from_rgb(*rgb)
end

#render(io) ⇒ Object 



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

def render(io)
  io.delimit do
    io.cmd :red, @red
    io.cmd :green, @green
    io.cmd :blue, @blue
  end
end

#to_rgb ⇒ Object 



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# File 'lib/wiz_rtf/color.rb', line 45

def to_rgb
  [@red, @green, @blue]
end

#to_rgb_hex ⇒ Object 



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# File 'lib/wiz_rtf/color.rb', line 49

def to_rgb_hex
  "#" + to_rgb.map {|c| "%02X" % c }.join
end