Class: AAQ::AAQ

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input_img) ⇒ AAQ


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# File 'lib/aaq.rb', line 14

def initialize(input_img)
  org_img = Magick::ImageList.new(input_img)
  @img, @width, @height = resize(org_img)
end

Instance Attribute Details

#codeObject (readonly)

Returns the value of attribute code


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# File 'lib/aaq.rb', line 12

def code
  @code
end

#dataObject (readonly)

Returns the value of attribute data


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# File 'lib/aaq.rb', line 12

def data
  @data
end

#heightObject (readonly)

Returns the value of attribute height


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# File 'lib/aaq.rb', line 12

def height
  @height
end

#imgObject (readonly)

Returns the value of attribute img


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# File 'lib/aaq.rb', line 12

def img
  @img
end

#widthObject (readonly)

Returns the value of attribute width


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# File 'lib/aaq.rb', line 12

def width
  @width
end

Instance Method Details

#convertObject


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# File 'lib/aaq.rb', line 19

def convert
  qtz = quantize
  colors = Set.new(qtz.flatten).to_a.sort
  blank_color = remove_blank_color(colors)

  @data = separate_color(qtz, colors).map do |x|
    x.join.gsub(/0+|1+/) do |c|
      "#{c[0] == '0' ? ':' : '_'}#{c.size}"
    end
  end

  @code = encode(@data, colors, blank_color)
  self
end

#encode(data, colors, blank_color) ⇒ Object


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# File 'lib/aaq.rb', line 34

def encode(data, colors, blank_color)
  code = <<~"QUINE"
    eval $s = %w'
    b = #{data}.map{ |x|
      x.gsub(/:[0-9]+|_[0-9]+/){ |c|
        (c[0] == \":\" ? \"0\" : \"1\") * c[1..-1].to_i
      }.reverse.to_i(2)
    };
    e = \"eval $s = %w\" << 39 << $s;
    o = \"\";
    j = k = -1;
    d = \"\" << 39 << \".join\";
    #{width * height}.times{ |i|
      e += (i < e.size) ? "" : $s;
      c = #{Array.new(data.size) { |j| "b[#{j}][i] == 1 ? #{colors[j]} :" }.join(' ')} #{blank_color};
      ARGV.include?(\"--color\")
        ? o << \"\" << 27 << \"[38;5;%sm\" % c << 27 << \"[48;5;%sm\" % c
            << (i < 10 ? e[j+=1] : i > #{width * height - 7} ? d[k+=1] : c == #{blank_color} ? 32 : e[j+=1])
            << 27 << \"[0m\"
        : o << (i < 10 ? e[j+=1] : c == #{blank_color} ? 32 : e[j+=1]);
      o << (i % #{width} == #{width - 1} ? 10 : \"\");
    };
    ARGV.include?(\"--color\") ? \"\" : o[-7, 6] = d;
    puts(o)#'.join
  QUINE
  code.gsub(/\s/, '')
end

#to_sObject


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# File 'lib/aaq.rb', line 62

def to_s
  b = data.map do |x|
    x.gsub(/:[0-9]+|_[0-9]+/) { |c|
      (c[0] == ':' ? '0' : '1') * c[1..-1].to_i
    }.reverse.to_i(2)
  end

  str = "eval$s=%w'"
  k = -1
  c = co = @code.gsub("eval$s=%w'", '').gsub("'.join", '')
  height.times do |h|
    width.times do |w|
      i = h * width + w
      next if i < 10
      c += co if i >= c.size
      str += b.map { |x| x[i] }.include?(1) ? c[k += 1] : ' '
    end
    str += "\n"
  end
  str[-7, 6] = '' << 39 << '.join'
  str
end