Class: CryptopunksGui

Inherits:
Object
  • Object
show all
Includes:
Glimmer
Defined in:
app/cryptopunks_gui.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CryptopunksGui

Returns a new instance of CryptopunksGui.



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# File 'app/cryptopunks_gui.rb', line 14

def initialize
  @punk_directory = File.join(Dir.home, '.cryptopunks')
  FileUtils.mkdir_p(@punk_directory)
  @punk_file = File.join(@punk_directory, 'punks.png')
  File.write(@punk_file, Net::HTTP.get(URI('https://raw.githubusercontent.com/larvalabs/cryptopunks/master/punks.png'))) unless File.exist?(@punk_file)
  @punks = Punks::Image::Composite.read(@punk_file)
  @zoom = 12
  
  observer = Glimmer::DataBinding::Observer.proc do
    generate_image
  end
  observer.observe(self, :punk_index)
  observer.observe(self, :zoom)
  
  create_gui
  self.punk_index = 0
  @root.open
end

Instance Attribute Details

#punk_index ⇒ Object

Returns the value of attribute punk_index.



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# File 'app/cryptopunks_gui.rb', line 12

def punk_index
  @punk_index
end

#zoom ⇒ Object

Returns the value of attribute zoom.



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# File 'app/cryptopunks_gui.rb', line 12

def zoom
  @zoom
end

Instance Method Details

#create_gui ⇒ Object 



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# File 'app/cryptopunks_gui.rb', line 43

def create_gui
  @root = root {
    title 'CryptoPunks GUI'
    iconphoto File.expand_path('../icons/cryptopunks-gui.png', __dir__)
    
    frame {
      label {
        text 'Select Punk Index and Zoom To Mint Cryptopunk'
        font weight: 'bold'
      }
      
      label {
        text 'Punk Index:'
      }
      spinbox {
        from 0
        to @punks.size - 1
        text <=> [self, :punk_index]
      }
      
      label {
        text 'Zoom:'
      }
      spinbox {
        from 1
        to 72
        text <=> [self, :zoom]
      }
      
      label {
        text 'Output Location:'
      }
      @message_entry = entry {
        readonly true
      }
      
      @image_label = label {
        grid row_weight: 1
      }
    }
  }
end

#generate_image ⇒ Object 



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# File 'app/cryptopunks_gui.rb', line 33

def generate_image
  image_location = File.join(@punk_directory, "punk-#{@punk_index}#{"x#{@zoom}" if @zoom.to_i > 1}.png")
  puts "Writing punk image to #{image_location}"
  selected_punk = @punks[@punk_index.to_i]
  selected_punk = selected_punk.zoom(@zoom.to_i)
  selected_punk.save(image_location)
  @image_label.image = image_location
  @message_entry.text = image_location
end