Class: TaskJuggler::Painter::Color

Constants

NamedColors = { :aliceblue => [ 240, 248, 255 ], :antiquewhite => [ 250, 235, 215 ], :aqua => [ 0, 255, 255 ], :aquamarine => [ 127, 255, 212 ], :azure => [ 240, 255, 255 ], :beige => [ 245, 245, 220 ], :bisque => [ 255, 228, 196 ], :black => [ 0, 0, 0 ], :blanchedalmond => [ 255, 235, 205 ], :blue => [ 0, 0, 255 ], :blueviolet => [ 138, 43, 226 ], :brown => [ 165, 42, 42 ], :burlywood => [ 222, 184, 135 ], :cadetblue => [ 95, 158, 160 ], :chartreuse => [ 127, 255, 0 ], :chocolate => [ 210, 105, 30 ], :coral => [ 255, 127, 80 ], :cornflowerblue => [ 100, 149, 237 ], :cornsilk => [ 255, 248, 220 ], :crimson => [ 220, 20, 60 ], :cyan => [ 0, 255, 255 ], :darkblue => [ 0, 0, 139 ], :darkcyan => [ 0, 139, 139 ], :darkgoldenrod => [ 184, 134, 11 ], :darkgray => [ 169, 169, 169 ], :darkgreen => [ 0, 100, 0 ], :darkgrey => [ 169, 169, 169 ], :darkkhaki => [ 189, 183, 107 ], :darkmagenta => [ 139, 0, 139 ], :darkolivegreen => [ 85, 107, 47 ], :darkorange => [ 255, 140, 0 ], :darkorchid => [ 153, 50, 204 ], :darkred => [ 139, 0, 0 ], :darksalmon => [ 233, 150, 122 ], :darkseagreen => [ 143, 188, 143 ], :darkslateblue => [ 72, 61, 139 ], :darkslategray => [ 47, 79, 79 ], :darkslategrey => [ 47, 79, 79 ], :darkturquoise => [ 0, 206, 209 ], :darkviolet => [ 148, 0, 211 ], :deeppink => [ 255, 20, 147 ], :deepskyblue => [ 0, 191, 255 ], :dimgray => [ 105, 105, 105 ], :dimgrey => [ 105, 105, 105 ], :dodgerblue => [ 30, 144, 255 ], :firebrick => [ 178, 34, 34 ], :floralwhite => [ 255, 250, 240 ], :forestgreen => [ 34, 139, 34 ], :fuchsia => [ 255, 0, 255 ], :gainsboro => [ 220, 220, 220 ], :ghostwhite => [ 248, 248, 255 ], :gold => [ 255, 215, 0 ], :goldenrod => [ 218, 165, 32 ], :gray => [ 128, 128, 128 ], :grey => [ 128, 128, 128 ], :green => [ 0, 128, 0 ], :greenyellow => [ 173, 255, 47 ], :honeydew => [ 240, 255, 240 ], :hotpink => [ 255, 105, 180 ], :indianred => [ 205, 92, 92 ], :indigo => [ 75, 0, 130 ], :ivory => [ 255, 255, 240 ], :khaki => [ 240, 230, 140 ], :lavender => [ 230, 230, 250 ], :lavenderblush => [ 255, 240, 245 ], :lawngreen => [ 124, 252, 0 ], :lemonchiffon => [ 255, 250, 205 ], :lightblue => [ 173, 216, 230 ], :lightcoral => [ 240, 128, 128 ], :lightcyan => [ 224, 255, 255 ], :lightgoldenrodyellow => [ 250, 250, 210 ], :lightgray => [ 211, 211, 211 ], :lightgreen => [ 144, 238, 144 ], :lightgrey => [ 211, 211, 211 ], :lightpink => [ 255, 182, 193 ], :lightsalmon => [ 255, 160, 122 ], :lightseagreen => [ 32, 178, 170 ], :lightskyblue => [ 135, 206, 250 ], :lightslategray => [ 119, 136, 153 ], :lightslategrey => [ 119, 136, 153 ], :lightsteelblue => [ 176, 196, 222 ], :lightyellow => [ 255, 255, 224 ], :lime => [ 0, 255, 0 ], :limegreen => [ 50, 205, 50 ], :linen => [ 250, 240, 230 ], :magenta => [ 255, 0, 255 ], :maroon => [ 128, 0, 0 ], :mediumaquamarine => [ 102, 205, 170 ], :mediumblue => [ 0, 0, 205 ], :mediumorchid => [ 186, 85, 211 ], :mediumpurple => [ 147, 112, 219 ], :mediumseagreen => [ 60, 179, 113 ], :mediumslateblue => [ 123, 104, 238 ], :mediumspringgreen => [ 0, 250, 154 ], :mediumturquoise => [ 72, 209, 204 ], :mediumvioletred => [ 199, 21, 133 ], :midnightblue => [ 25, 25, 112 ], :mintcream => [ 245, 255, 250 ], :mistyrose => [ 255, 228, 225 ], :moccasin => [ 255, 228, 181 ], :navajowhite => [ 255, 222, 173 ], :navy => [ 0, 0, 128 ], :oldlace => [ 253, 245, 230 ], :olive => [ 128, 128, 0 ], :olivedrab => [ 107, 142, 35 ], :orange => [ 255, 165, 0 ], :orangered => [ 255, 69, 0 ], :orchid => [ 218, 112, 214 ], :palegoldenrod => [ 238, 232, 170 ], :palegreen => [ 152, 251, 152 ], :paleturquoise => [ 175, 238, 238 ], :palevioletred => [ 219, 112, 147 ], :papayawhip => [ 255, 239, 213 ], :peachpuff => [ 255, 218, 185 ], :peru => [ 205, 133, 63 ], :pink => [ 255, 192, 203 ], :plum => [ 221, 160, 221 ], :powderblue => [ 176, 224, 230 ], :purple => [ 128, 0, 128 ], :red => [ 255, 0, 0 ], :rosybrown => [ 188, 143, 143 ], :royalblue => [ 65, 105, 225 ], :saddlebrown => [ 139, 69, 19 ], :salmon => [ 250, 128, 114 ], :sandybrown => [ 244, 164, 96 ], :seagreen => [ 46, 139, 87 ], :seashell => [ 255, 245, 238 ], :sienna => [ 160, 82, 45 ], :silver => [ 192, 192, 192 ], :skyblue => [ 135, 206, 235 ], :slateblue => [ 106, 90, 205 ], :slategray => [ 112, 128, 144 ], :slategrey => [ 112, 128, 144 ], :snow => [ 255, 250, 250 ], :springgreen => [ 0, 255, 127 ], :steelblue => [ 70, 130, 180 ], :tan => [ 210, 180, 140 ], :teal => [ 0, 128, 128 ], :thistle => [ 216, 191, 216 ], :tomato => [ 255, 99, 71 ], :turquoise => [ 64, 224, 208 ], :violet => [ 238, 130, 238 ], :wheat => [ 245, 222, 179 ], :white => [ 255, 255, 255 ], :whitesmoke => [ 245, 245, 245 ], :yellow => [ 255, 255, 0 ], :yellowgreen => [ 154, 205, 50 ]

Public Class methods

new(*args)

Create a new Color object.

[Source]

# File lib/taskjuggler/Painter/Color.rb, line 173
      def initialize(*args)
        if args.length == 1
          unless NamedColors.include?(args[0])
            raise "Unknown color name #{args[0]}"
          end

          @r, @g, @b = NamedColors[args[0]]
        elsif args.length == 3
          args.each do |v|
            unless v >= 0 && v < 256
              raise ArgumentError, "RGB values (#{args.join(', ')}) must " +
                                   "be between 0 and 255."
            end
          end

          @r, @g, @b = args
        elsif args.length == 4
          unless args[0] >= 0 && args[0] < 360
            raise ArgumentError, "Hue value must be between 0 and 360"
          end
          unless args[1] >= 0 && args[1] <= 255
            raise ArgumentError, "Saturation value (#{args[1]}) must be " +
                                 "between 0 and 255"
          end
          unless args[2] >= 0 && args[2] <= 255
            raise ArgumentError, "Color value (#{args[2]}) must be " +
                                 "between 0 and 255"
          end
          @r, @g, @b = hsvToRgb(*args[0..2])
        else
          raise ArgumentError
        end
      end

Public Instance methods

to_hsv()

[Source]

# File lib/taskjuggler/Painter/Color.rb, line 211
      def to_hsv
        rgbToHsv(@r, @g, @b)
      end

to_rgb()

[Source]

# File lib/taskjuggler/Painter/Color.rb, line 207
      def to_rgb
        [ @r, @g, @b ]
      end

to_s()

Convert the RGB value into a String format that is used in HTML.

[Source]

# File lib/taskjuggler/Painter/Color.rb, line 216
      def to_s
        format("#%02x%02x%02x", @r, @g, @b)
      end

Methods

Constants

Public Class methods

Public Instance methods