Class: Cryptopunks::Image

Inherits:
Pixelart::Image
  • Object
show all
Defined in:
lib/cryptopunks/composite.rb,
lib/cryptopunks.rb,
lib/cryptopunks.rb,
lib/cryptopunks/image.rb

Overview

nest Composite inside Image - why? why not?

Defined Under Namespace

Classes: Composite

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(initial = nil, design: nil, colors: nil) ⇒ Image 



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# File 'lib/cryptopunks/image.rb', line 52

def initialize( initial=nil, design: nil,
                             colors: nil )
    if initial
      ## pass image through as-is

      img = initial
    else

      ## todo/fix:

      ## move design code into design class!!!

      ##  for now assume design is a string

      ##   split into parts

      ##       original/alien-male or original@alien-male

      ##       more/alien-female or more@alien-female

      ##       original/human-male+darker or original@human-male!darker ????

      ##        human-male!darker ?????

      ##    keep @ as separator too - why? why not?

      parts = design.split( %r{[@/]} )
      parts.unshift( '*' )    if parts.size == 1  ## assume "all-in-one" series (use * as name/id/placeholder)


      series_key        = parts[0]
      design_composite  = parts[1]

      ## todo/check - find a way for unambigious (color) variant key

      ##   use unique char e.g. +*!# or such

      more_parts = design_composite.split(  %r{[!+]} )
      design_key   = more_parts[0]
      variant_key  = more_parts[1]     ## color variant for now (for humans) e.g. lighter/light/dark/darker


      series = if ['*','**','_','__'].include?( series_key )
                  DESIGNS    ## use all-series-in-one collection

               else
                  case series_key
                  when 'original' then DESIGNS_ORIGINAL
                  when 'more'     then DESIGNS_MORE
                  else  raise ArgumentError, "unknown design series >#{series_key}<; sorry"
                  end
               end

      design = series[ design_key ]
      raise ArgumentError, "unknow design >#{design_key}< in series >#{series_key}<; sorry"  if design.nil?

      if colors.nil?  ## try to auto-fill in colors

         ##  note: (auto-)remove _male,_female qualifier if exist

         colors_key = design_key.sub( '-male', '' ).sub( '-female', '' )
         colors =  COLORS[ colors_key ]

         ## allow / support color scheme variants (e.g. lighter/light/dark/darker) etc.

         if colors.is_a?(Hash)
           if variant_key
             colors = colors[ variant_key ]
             raise ArgumentError, "no colors defined for variant >#{variant_key}< for design >#{design_key}< in series >#{series_key}<; sorry"   if colors.nil?
           else  ## note: use (fallback to) first color scheme if no variant key present

             colors = colors[ colors.keys[0] ]
           end
         end

         raise ArgumentError, "no (default) colors defined for design >#{design_key}< in series >#{series_key}<; sorry"   if colors.nil?
      end

      ## note: unwrap inner image before passing on to super c'tor

      img = Pixelart::Image.parse( design, colors: colors ).image
    end

    super( img.width, img.height, img )
end

Class Method Details

.generate(*values) ⇒ Object 



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# File 'lib/cryptopunks.rb', line 43

def self.generate( *values )
  img = Cryptopunks.generator.generate( *values )
  ## note: unwrap inner image before passing on to c'tor (requires ChunkyPNG image for now)

  new( img.image )
end

.read(path) ⇒ Object

convenience helper



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# File 'lib/cryptopunks/image.rb', line 46

def self.read( path )   ## convenience helper

  img = ChunkyPNG::Image.from_file( path )
  new( img )
end