Class: Color::Palette::Gimp

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/color/palette/gimp.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(palette) ⇒ Gimp

Returns a new instance of Gimp.



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# File 'lib/color/palette/gimp.rb', line 23

def initialize(palette)
  @colors   = {}
  @valid    = false
  @name     = "(unnamed)"

  index     = 0
  collision = {}

  palette.split($/).each do |line|
    line.chomp!
    line.gsub!(/\s*#.*\Z/, '')

    next if line.empty?

    if line =~ /\AGIMP Palette\Z/
      @valid = true
      next
    end

    info = /(\w+):\s(.*$)/.match(line)
    if info
      @name = info.captures[1] if info.captures[0] =~ /name/i
      next
    end

    line.gsub!(/^\s+/, '')
    data = line.split(/\s+/, 4)
    name = data.pop
    data.map! { |el| el.to_i }

    @colors[index] = Color::RGB.new(*data)

    if @colors.has_key?(name)
      collision[name] = true
    else
      @colors[name] = @colors[index]
    end
  end

  collision.each_key { |key| @colors.delete_at(key) }
end

Class Method Details

.from_file(filename) ⇒ Object 



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# File 'lib/color/palette/gimp.rb', line 14

def from_file(filename)
  File.open(filename, "rb") { |io| Color::Palette::Gimp.from_io(io) }
end

.from_io(io) ⇒ Object 



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# File 'lib/color/palette/gimp.rb', line 18

def from_io(io)
  Color::Palette::Gimp.new(io.read)
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/color/palette/gimp.rb', line 65

def [](key)
  @colors[key]
end

#each ⇒ Object 



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# File 'lib/color/palette/gimp.rb', line 69

def each
  @colors.each { |el| yield el }
end