Class: FictionArt

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text = "nothing") ⇒ FictionArt

Constructor function of FictionArt class



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# File 'lib/fictionArt.rb', line 13

def initialize(text = "nothing")
	
	@image_chars ||= ' .~:+=o*x^%#@'.chars.to_a
	check = Dir.glob("#{__dir__}/../images/#{text}.jpg")

  if check.length == 0
 if text == "nothing"
 	@status = false   # for tests
 elsif text.nil? 
 	@status = false   # for tests
 	abort("Nothing inputted")
 else
 	@status = false   # for tests
 	puts 
 	check_possible(text)
    end
  else
    open(check[0]) { |file| @data = file.read }
    @status = true   # for tests
  end

end

Instance Attribute Details

#image_chars ⇒ Object

Returns the value of attribute image_chars.



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# File 'lib/fictionArt.rb', line 9

def image_chars
  @image_chars
end

#status ⇒ Object

for tests



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# File 'lib/fictionArt.rb', line 10

def status
  @status
end

Instance Method Details

#check_possible(text) ⇒ Object

Checking matching characters from character inputted



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# File 'lib/fictionArt.rb', line 108

def check_possible(text)
	puts "Possible Characters:"
	list = Dir.glob("#{__dir__}/../images/*.jpg")
	
	list.each do |character|
	  character = character[/.*images\/(.*).jpg/,1]
	  if character.downcase.include? text.downcase
		puts character
	  elsif text.downcase.include? character.downcase
	  	puts character
	  end
	end

end

#createAscii(options = {}) ⇒ Object

Create ascii Art of given fictional character



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# File 'lib/fictionArt.rb', line 38

def createAscii(options = {})
  if @status == true
    options = {"width" => 90, "color" => true}.merge(options)
 img = Magick::Image.from_blob(@data).first
 width  = options["width"]
 scale  = (width.to_f / img.columns)
   
 height = ((img.rows * scale) / 2).to_i
 # puts height
 if height >= 100
  	height = 80
 end

 border = "+#{'-' * width}+\n"
 output = border.dup

 img.resize!(width, height)
 color_image   = img.dup if options["color"]
 img           = img.quantize(@image_chars.length, Magick::GRAYColorspace).normalize
 quantum_calc  = Magick::QuantumRange / (@image_chars.length - 1)

   
 img.view(0, 0, width, height) do |view|
     
   height.times do |i|
       
     output << '|'
     width.times do |j|

       character = @image_chars[view[i][j].red/quantum_calc]     

       if options["color"]
         pix       = color_image.pixel_color(j,i)
         character = character.color(unified_rgb_value(pix.red), unified_rgb_value(pix.green), unified_rgb_value(pix.blue))
       end

       output << character
     end

     output << "|\n"
   end
 end


 output << border
 return output
	end
end

#list_all ⇒ Object

Listing all currently possible characters



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# File 'lib/fictionArt.rb', line 99

def list_all
	list = Dir.glob("#{__dir__}/../images/*.jpg")
	list.each do |character|
		puts character[/.*images\/(.*).jpg/,1]
	end
end

#unified_rgb_value(number) ⇒ Object

Converting into unified rgb value from 0-255



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# File 'lib/fictionArt.rb', line 89

def unified_rgb_value(number)
  if defined?(Magick::QuantumDepth)
    return (Magick::QuantumDepth == 16) ? (number / 256) : number
  else
    return (Magick::QuantumRange == 65535) ? (number / 256) : number
  end
end