Class: TokenCollection

Inherits:
Artbase::Base show all
Defined in:
lib/artbase/collection/token.rb

Defined Under Namespace

Classes: Meta

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Artbase::Base

#_normalize_trait_type, #_normalize_trait_value, #calc_attribute_counters, #dump_attributes, #export_attributes, #make_composite

Constructor Details

#initialize(slug, count, token_base:, image_base: nil, image_base_id_format: nil, format:, source:, top_x: 0, top_y: 0, center_x: true, center_y: true, excludes: [], offset: 0) ⇒ TokenCollection

Returns a new instance of TokenCollection.



79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
 
# File 'lib/artbase/collection/token.rb', line 79

def initialize( slug, count,
                token_base:,
                image_base: nil,
                image_base_id_format: nil,
                format:,
                source:,
                top_x: 0,
                top_y: 0,
                center_x: true,
                center_y: true,
                excludes: [],
                offset: 0  )   # check: rename count to items or such - why? why not?
  @slug = slug
  @count = count
  @offset = offset   ## starting by default at 0 (NOT 1 or such)

  @token_base = token_base
  @image_base = image_base
  @image_base_id_format = image_base_id_format

  @width, @height = _parse_dimension( format )


  ## note: allow multiple source formats / dimensions
  ### e.g. convert   512x512 into  [ [512,512] ]
  ##
  source = [source]  unless source.is_a?( Array )
  @sources = source.map { |dimension| _parse_dimension( dimension ) }

  @top_x = top_x    ## more (down)sampling / pixelate options
  @top_y = top_y
  @center_x = center_x
  @center_y = center_y

  @excludes = excludes
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



77
78
79
 
# File 'lib/artbase/collection/token.rb', line 77

def count
  @count
end

#slug ⇒ Object (readonly)

Returns the value of attribute slug.



77
78
79
 
# File 'lib/artbase/collection/token.rb', line 77

def slug
  @slug
end

Instance Method Details

#_parse_dimension(str) ⇒ Object

e.g. convert dimension (width x height) “24x24” or “24 x 24” to [24,24]



118
119
120
 
# File 'lib/artbase/collection/token.rb', line 118

def _parse_dimension( str )
  str.split( /x/i ).map { |str| str.strip.to_i }
end

#_range(offset: 0) ⇒ Object

return “default” range - make “private” helper public - why? why not?



123
124
125
126
127
128
129
130
131
132
 
# File 'lib/artbase/collection/token.rb', line 123

def _range( offset: 0 )    ## return "default" range  - make "private" helper public - why? why not?
   ## note: range uses three dots (...) exclusive (NOT inclusive) range
   ##  e.g. 0...100 => [0,..,99]
   ##       1...101 => [1,..,100]
   ##
   ##  note: allow offset argument
   ##           (to start with different offset - note: in addition to builtin 0/1 offset)

   (0+@offset+offset...@count+@offset)
end

#download_images(range = _range, force: false, direct: @image_base ? true : false) ⇒ Object

note: default to direct true if image_base present/availabe

otherwise to false



326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
 
# File 'lib/artbase/collection/token.rb', line 326

def download_images( range=_range, force: false,
                                         direct: @image_base ? true : false )
  start = Time.now
  delay_in_s = 0.3

  range.each do |id|
    ## note: for now assumes only .png format!!!
    ##    todo - check for more format - why? why not?
    outpath = "./#{@slug}/token-i/#{id}.png"
    if !force && File.exist?( outpath )
      next   ## note: skip if file already exists
    end


    image_src = image_url( id: id, direct: direct )

    ## note: will auto-add format file extension (e.g. .png, .jpg)
    ##        depending on http content type!!!!!
    start_copy = Time.now
    copy_image( image_src, "./#{@slug}/token-i/#{id}" )

    stop = Time.now

    diff = stop - start_copy
    puts "    download image in #{diff} sec(s)"

    diff = stop - start
    mins = diff / 60  ## todo - use floor or such?
    secs = diff % 60
    puts "up #{mins} mins #{secs} secs (total #{diff} secs)"

    puts "sleeping #{delay_in_s}s..."
    sleep( delay_in_s )
  end
end

#download_meta(range = _range, force: false) ⇒ Object 



292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
 
# File 'lib/artbase/collection/token.rb', line 292

def download_meta( range=_range, force: false )
  start = Time.now
  delay_in_s = 0.3

  range.each do |id|
    outpath = "./#{@slug}/token/#{id}.json"
    if !force && File.exist?( outpath )
      next   ## note: skip if file already exists
    end

    dirname = File.dirname( outpath )
    FileUtils.mkdir_p( dirname )  unless Dir.exist?( dirname )

    puts "==> #{id} - #{@slug}..."

    token_src = meta_url( id: id )
    copy_json( token_src, outpath )

    stop = Time.now
    diff = stop - start
    puts "    download token metadata in #{diff} sec(s)"

    mins = diff / 60  ## todo - use floor or such?
    secs = diff % 60
    puts "up #{mins} mins #{secs} secs (total #{diff} secs)"

    puts "sleeping #{delay_in_s}s..."
    sleep( delay_in_s )
  end
end

#each_image(range = _range, exclude: true, &blk) ⇒ Object 



136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
 
# File 'lib/artbase/collection/token.rb', line 136

def each_image( range=_range,
                exclude: true,      &blk )
  range.each do |id|
    ####
    # filter out/skip
    # if exclude && @excludes.include?( id )
    #  puts "  skipping / exclude #{id}..."
    #  next
    # end

    puts "==> #{id}"
    img = Image.read( "./#{@slug}/#{@width}x#{@height}/#{id}.png" )
    blk.call( img, id )
  end
end

#each_meta(range = _range, exclude: true, &blk) ⇒ Object 



153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
 
# File 'lib/artbase/collection/token.rb', line 153

def each_meta( range=_range,
               exclude: true,      &blk )
  range.each do |id|  ## check: change/rename id to index - why? why not?
    meta = Meta.read( "./#{@slug}/token/#{id}.json" )

    ####
    # filter out/skip
    # if exclude && @excludes.include?( meta.name )
    #  puts "  skipping / exclude #{id} >#{meta.name}<..."
    #  next
    # end

    blk.call( meta, id )
  end
end

#image_url(id:, direct: @image_base ? true : false) ⇒ Object 



259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
 
# File 'lib/artbase/collection/token.rb', line 259

def image_url( id:,
                direct: @image_base ? true : false  )
   src =  if direct && @image_base
             ###
             ## todo/fix:
             ##   change image_base_id_format
             ##    to image_base proc with para id and call proc!!!!
             if @image_base_id_format
               @image_base.gsub( '{id}', @image_base_id_format % id )
             else
               @image_base.gsub( '{id}', id.to_s )
             end
          else
             ## todo/check - change/rename data to meta - why? why not?
             data = Meta.read( "./#{@slug}/token/#{id}.json" )

             meta_name  = data.name
             meta_image = data.image

             puts "==> #{id} - #{@slug}..."
             puts "   name: #{meta_name}"
             puts "   image: #{meta_image}"
             meta_image
         end
   src

   ## quick ipfs (interplanetary file system) hack - make more reusabele!!!
   src = handle_ipfs( src )
   src
end

#meta_url(id:) ⇒ Object Also known as: token_url 



249
250
251
252
253
254
255
 
# File 'lib/artbase/collection/token.rb', line 249

def meta_url( id: )
  src = @token_base.gsub( '{id}', id.to_s )

  ## quick ipfs (interplanetary file system) hack - make more reusabele!!!
  src = handle_ipfs( src )
  src
end

#pixelate(range = _range, exclude: true, force: false, debug: false, zoom: nil) ⇒ Object 



173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
 
# File 'lib/artbase/collection/token.rb', line 173

def pixelate( range=_range, exclude: true,
                            force: false,
                            debug: false,
                            zoom: nil )

  range.each do |id|

    if exclude && @excludes.include?( id )
      puts "  skipping #{id}; listed in excludes #{@excludes.inspect}"
      next
    end

    outpath = "./#{@slug}/#{@width}x#{@height}/#{id}.png"
    if !force && File.exist?( outpath )
      next   ## note: skip if file already exists
    end

    center_x =  if @center_x.is_a?( Proc ) then @center_x.call( id ); else @center_x; end
    center_y =  if @center_y.is_a?( Proc ) then @center_y.call( id ); else @center_y; end



    puts "==> #{id}  - reading / decoding #{id} ..."
    start = Time.now

    img = Image.read( "./#{@slug}/token-i/#{id}.png" )

    stop = Time.now
    diff = stop - start

    puts "  in #{diff} sec(s)\n"


    source = nil
    @sources.each do |source_width, source_height|
      if img.width == source_width && img.height == source_height
          source = [source_width, source_height]
          break
      end
    end


    if source
        source_width  = source[0]
        source_height = source[1]

        steps_x = Image.calc_sample_steps( source_width-@top_x, @width,   center: center_x )
        steps_y = Image.calc_sample_steps( source_height-@top_y, @height, center: center_y )

        pix = if debug
              img.pixelate_debug( steps_x, steps_y,
                                  top_x: @top_x,
                                  top_y: @top_y )
            else
              img.pixelate( steps_x, steps_y,
                            top_x: @top_x,
                            top_y: @top_y )
            end
      ## todo/check: keep usingu slug e.g. 0001.png or "plain" 1.png - why? why not?
      ## slug = "%04d" % id
      pix.save( outpath )

      if zoom
        outpath = "./#{@slug}/#{@width}x#{@height}/#{id}@#{zoom}x.png"
        pix.zoom( zoom ).save( outpath )
      end
    else
      puts "!! ERROR - unknown/unsupported dimension - #{img.width}x#{img.height}; sorry - tried:"
      pp @sources
      exit 1
    end
  end
end