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, #convert_images, #dump_attributes, #export_attributes, #make_composite, #make_strip

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.



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
115
116
117
118
# File 'lib/artbase/collection/token.rb', line 83

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

#countObject (readonly)

Returns the value of attribute count.



81
82
83
# File 'lib/artbase/collection/token.rb', line 81

def count
  @count
end

#slugObject (readonly)

Returns the value of attribute slug.



81
82
83
# File 'lib/artbase/collection/token.rb', line 81

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]



122
123
124
# File 'lib/artbase/collection/token.rb', line 122

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?



127
128
129
130
131
132
133
134
135
136
# File 'lib/artbase/collection/token.rb', line 127

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
todo/check: change/rename force para to overwrite - why? why not?


359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
# File 'lib/artbase/collection/token.rb', line 359

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: skip if (downloaded) file already exists
    skip = false
    if !force
      ['png', 'gif', 'jgp', 'svg'].each do |format|
        if File.exist?( "./#{@slug}/token-i/#{id}.#{format}" )
          skip = true
          break
        end
      end
    end
    next if skip

    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



324
325
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
# File 'lib/artbase/collection/token.rb', line 324

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



140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
# File 'lib/artbase/collection/token.rb', line 140

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



157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
# File 'lib/artbase/collection/token.rb', line 157

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



291
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
# File 'lib/artbase/collection/token.rb', line 291

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



281
282
283
284
285
286
287
# File 'lib/artbase/collection/token.rb', line 281

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, faster: false) ⇒ Object



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
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
# File 'lib/artbase/collection/token.rb', line 177

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

  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} ..."


  if faster
    ## note: faster for now only supports
    ##        single /one source format
    ##         always will use first source format from array for now
    cmd = "./pixelator "
    cmd << "./#{@slug}/token-i/#{id}.png"
    cmd << " " + @sources[0][0].to_s
    cmd << " " + @sources[0][1].to_s
    cmd << " " + outpath
    cmd << " " + @width.to_s
    cmd << " " + @height.to_s
    puts "==> #{cmd}..."
    ret = system( cmd )
    if ret
      puts "OK"
    else
      puts "!! FAIL"
      if ret.nil?
        puts "  command not found"
      else
        puts "  exit code: #{$?}"
      end
    end
  else
    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
end