Class: CryptopunksGui::Model::Image

Inherits:
Object
  • Object
show all
Defined in:
app/model/image.rb

Constant Summary collapse

PALETTES = 
['Standard'] + (Palette8bit.constants).map(&:name).map {|palette| palette.split('_').map(&:capitalize).join(' ')}.reject { |palette| palette.include?(' ') }.sort
STYLES = 
['Normal', 'Led', 'Sketch']
OUTPUT_LOCATION_DEFAULT = 
File.join(Dir.home, 'cryptopunks')
CONFIG_FILE = 
File.join(OUTPUT_LOCATION_DEFAULT, 'cryptopunks.yml')
COLLECTIONS_YAML_PATH = 
File.join(OUTPUT_LOCATION_DEFAULT, 'cryptopunks-collections.yml')
COLLECTIONS_YAML_URL = 
'https://raw.githubusercontent.com/cryptopunksnotdead/cryptopunks-gui/master/cryptopunks-collections.yml'
COLLECTIONS_YAML_REPO_PATH = 
File.expand_path('../../cryptopunks-collections.yml', __dir__)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Image

Returns a new instance of Image.



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# File 'app/model/image.rb', line 15

def initialize
  initialize_output_location
  initialize_collections_map
  initialize_collection
  load_config
  initialize_defaults
  observe_image_attribute_changes
end

Instance Attribute Details

#collection ⇒ Object

Returns the value of attribute collection.



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# File 'app/model/image.rb', line 12

def collection
  @collection
end

#collection_size ⇒ Object

Returns the value of attribute collection_size.



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# File 'app/model/image.rb', line 12

def collection_size
  @collection_size
end

#collections_map ⇒ Object

Returns the value of attribute collections_map.



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# File 'app/model/image.rb', line 12

def collections_map
  @collections_map
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'app/model/image.rb', line 12

def config
  @config
end

#flip ⇒ Object

Returns the value of attribute flip.



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# File 'app/model/image.rb', line 12

def flip
  @flip
end

#image_index ⇒ Object

Returns the value of attribute image_index.



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# File 'app/model/image.rb', line 12

def image_index
  @image_index
end

#image_location ⇒ Object

Returns the value of attribute image_location.



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# File 'app/model/image.rb', line 12

def image_location
  @image_location
end

#images ⇒ Object

Returns the value of attribute images.



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# File 'app/model/image.rb', line 12

def images
  @images
end

#led_round_corner ⇒ Object

Returns the value of attribute led_round_corner.



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# File 'app/model/image.rb', line 12

def led_round_corner
  @led_round_corner
end

#led_spacing ⇒ Object

Returns the value of attribute led_spacing.



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# File 'app/model/image.rb', line 12

def led_spacing
  @led_spacing
end

#mirror ⇒ Object

Returns the value of attribute mirror.



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# File 'app/model/image.rb', line 12

def mirror
  @mirror
end

#output_location ⇒ Object

Returns the value of attribute output_location.



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# File 'app/model/image.rb', line 12

def output_location
  @output_location
end

#palette ⇒ Object

Returns the value of attribute palette.



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# File 'app/model/image.rb', line 12

def palette
  @palette
end

#sketch_line ⇒ Object

Returns the value of attribute sketch_line.



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# File 'app/model/image.rb', line 12

def sketch_line
  @sketch_line
end

#style ⇒ Object

Returns the value of attribute style.



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# File 'app/model/image.rb', line 12

def style
  @style
end

#zoom ⇒ Object

Returns the value of attribute zoom.



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# File 'app/model/image.rb', line 12

def zoom
  @zoom
end

Instance Method Details

#change_output_location(new_output_location) ⇒ Object 



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# File 'app/model/image.rb', line 172

def change_output_location(new_output_location)
  @output_location = new_output_location
  @config[:output_location] = @output_location
  save_config
  generate_image
end

#collection_options ⇒ Object 



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# File 'app/model/image.rb', line 24

def collection_options
  @collections_map.keys.select {|collection_name| @collections_map[collection_name][:enabled]}
end

#generate_image ⇒ Object 



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# File 'app/model/image.rb', line 140

def generate_image
  initialize_collection
  return if @image_index.to_i >= @images[@collection].size
  new_image_location = File.join(@output_location, "#{@collection.gsub(' ', '').downcase}-#{@image_index}#{"x#{@zoom}" if @zoom.to_i > 1}#{"-#{@palette.underscore}" if @palette != PALETTES.first}#{"-#{@style.underscore}" if @style != STYLES.first}#{"-spacing#{@led_spacing.to_i}" if @style == 'Led'}#{'-round-corner' if @style == 'Led' && @led_round_corner}#{"-line#{@sketch_line.to_i}" if @style == 'Sketch'}#{'-mirror' if @mirror}#{'-flip' if @flip}.png")
  puts "Writing punk image to #{new_image_location}"
  selected_punk = @images[@collection][@image_index.to_i]
  selected_punk = selected_punk.change_palette8bit(Palette8bit.const_get(@palette.gsub(' ', '_').upcase.to_sym)) if @palette != PALETTES.first
  @original_zoom = @zoom
  if @previous_collection && @collection != @previous_collection && @collections_map[@collection][:width] != @collections_map[@previous_collection][:width]
    @zoom = @collections_map[@collection][:default_zoom]
  end
  if @style != STYLES.first
    style_options = {}
    if @style == 'Led'
      style_options[:spacing] = @led_spacing.to_i
      style_options[:round_corner] = @led_round_corner
    end
    if @style == 'Sketch'
      style_options[:line] = @sketch_line.to_i
    end
    selected_punk = selected_punk.send(@style.underscore, @zoom.to_i, **style_options)
  end
  selected_punk = selected_punk.mirror if @mirror
  selected_punk = selected_punk.flip if @flip
  selected_punk = selected_punk.zoom(@zoom.to_i) if @style == STYLES.first
  selected_punk.save(new_image_location)
  self.image_location = new_image_location
  notify_observers(:zoom) if @zoom != @original_zoom
  @previous_style = @style
  @previous_collection = @collection
end

#initialize_collection ⇒ Object 



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# File 'app/model/image.rb', line 89

def initialize_collection
  return if @collection && @collection == @last_collection
  @collection ||= @collections_map.keys.first
  url = @collections_map[@collection][:url]
  width = @collections_map[@collection][:width]
  height = @collections_map[@collection][:height]
  @image_file = File.join(OUTPUT_LOCATION_DEFAULT, File.basename(url))
  File.write(@image_file, Net::HTTP.get(URI(url))) unless File.exist?(@image_file)
  @images ||= {}
  @images[@collection] ||= Punks::Image::Composite.read(@image_file, width: width, height: height)
  @last_collection = @collection
  self.image_index = 0
end

#initialize_collections_map(reset: false) ⇒ Object 



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# File 'app/model/image.rb', line 41

def initialize_collections_map(reset: false)
  FileUtils.touch(COLLECTIONS_YAML_PATH)
  @collections_map = reset ? {} : (YAML.load(File.read(COLLECTIONS_YAML_PATH)) || {})
  new_collections_map = {}
  begin
    http_response = Net::HTTP.get_response(URI(COLLECTIONS_YAML_URL))
    if http_response.is_a?(Net::HTTPSuccess)
      new_collections_map = YAML.load(http_response.body)
    else
      raise "code: #{http_response.code} message: #{http_response.message}"
    end
  rescue StandardError, SocketError => e
    puts "Failed to utilize collection YAML from: #{COLLECTIONS_YAML_URL}"
    puts e.full_message
    puts "Utilizing local collection YAML instead: #{COLLECTIONS_YAML_REPO_PATH}"
    new_collections_map = YAML.load(File.read(COLLECTIONS_YAML_REPO_PATH)) rescue {}
  end
  @collections_map_observers ||= {}
  new_collections_map.each do |collection_name, collection_options|
    @collections_map[collection_name] ||= {}
    original_collections_map_for_collection = @collections_map[collection_name]
    @collections_map[collection_name] = @collections_map[collection_name]
    @collections_map[collection_name].reverse_merge!(collection_options)
    @collections_map[collection_name][:enabled] = true unless @collections_map[collection_name].has_key?(:enabled)
    @collections_map_observers[collection_name] ||= Glimmer::DataBinding::Observer.proc { |value, key|
      if key == :enabled
        self.collection = @collections_map.find { |name, options| options[:enabled] }.first if key == :enabled && value == false && @collection == collection_name
        notify_observers(:collection_options)
      end
      save_collections_map
    }.tap {|o| o.observe(original_collections_map_for_collection)}
  end
  @collections_map_observer ||= Glimmer::DataBinding::Observer.proc { |collection_options, collection_name|
    if collection_options.nil?
      self.collection = @collections_map.find { |name, options| options[:enabled] }.first if @collection == collection_name
      self.collection = collection_name if @collections_map.select { |name, options| options[:enabled] }.count == 0
    end
    notify_observers(:collection_options)
    save_collections_map
  }.tap {|o| o.observe(@collections_map)}
  save_collections_map
end

#initialize_defaults ⇒ Object 



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# File 'app/model/image.rb', line 114

def initialize_defaults
  @collection = @collections_map.keys.first
  @zoom = 12
  @palette = PALETTES.first
  @style = STYLES.first
  @led_spacing = 2
  @led_round_corner = false
  @sketch_line = 1
  @mirror = false
  @flip = false
end

#initialize_output_location ⇒ Object 



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# File 'app/model/image.rb', line 36

def initialize_output_location
  @output_location = OUTPUT_LOCATION_DEFAULT
  FileUtils.mkdir_p(@output_location)
end

#load_config ⇒ Object 



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# File 'app/model/image.rb', line 103

def load_config
  FileUtils.touch(CONFIG_FILE)
  @config = YAML.load(File.read(CONFIG_FILE)) || {}
  @output_location = @config[:output_location]
  @config[:output_location] = @output_location = OUTPUT_LOCATION_DEFAULT if @output_location.nil?
end

#observe_image_attribute_changes ⇒ Object 



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# File 'app/model/image.rb', line 126

def observe_image_attribute_changes
  observer = Glimmer::DataBinding::Observer.proc { generate_image }
  observer.observe(self, :collection)
  observer.observe(self, :image_index)
  observer.observe(self, :zoom)
  observer.observe(self, :palette)
  observer.observe(self, :style)
  observer.observe(self, :led_spacing)
  observer.observe(self, :led_round_corner)
  observer.observe(self, :sketch_line)
  observer.observe(self, :mirror)
  observer.observe(self, :flip)
end

#palette_options ⇒ Object 



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# File 'app/model/image.rb', line 28

def palette_options
  PALETTES
end

#reset_output_location ⇒ Object 



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# File 'app/model/image.rb', line 179

def reset_output_location
  @output_location = OUTPUT_LOCATION_DEFAULT
  @config[:output_location] = @output_location
  save_config
  generate_image
end

#save_collections_map ⇒ Object 



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# File 'app/model/image.rb', line 84

def save_collections_map
  normalized_collections_map = Hash[@collections_map.map {|k,v| [k, v.to_h]}]
  File.write(COLLECTIONS_YAML_PATH, YAML.dump(normalized_collections_map))
end

#save_config ⇒ Object 



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# File 'app/model/image.rb', line 110

def save_config
  File.write(CONFIG_FILE, YAML.dump(@config))
end

#style_options ⇒ Object 



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# File 'app/model/image.rb', line 32

def style_options
  STYLES
end