/
pixelate.rb
411 lines (362 loc) · 15 KB
/
pixelate.rb
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require 'pixelart'
###############
## 512x512 21*24 = 504 + 8 = 512
##
##
## top - +80px!!! = 432 -- 18*24 = 432 !!!
##
## left/right +40px +40px!!! ( start with 40 )
###.
# pick pixel in middle - +9
# 24.times {|i| puts "#{9 + 18*i} => #{i}," }
#
# ## 24.times {|i| puts "#{4 + (i/3) + 21*i} => #{i}," }
PIXEL_OFFSET_432 = {
9 => 0,
27 => 1,
45 => 2,
63 => 3,
81 => 4,
99 => 5,
117 => 6,
135 => 7,
153 => 8,
171 => 9,
189 => 10,
207 => 11,
225 => 12,
243 => 13,
261 => 14,
279 => 15,
297 => 16,
315 => 17,
333 => 18,
351 => 19,
369 => 20,
387 => 21,
405 => 22,
423 => 23,
}
## more green-ish backgrounds
## use color by hue? 139-?? (v=100%-??)
MORE_TRANSPARENT_COLORS = ['86D9A1', # 139 / 38 / 85
'87DBA2', # 139 / 38 / 85
'87DCA3',
'8BDBA4', # 138 / 36 / 85
'90EAA9', # 136 / 38 / 91
'97F1B4',
'97F4B5',
'97F4B6',
'98F4B5',
'98F4B6',
'98F4B7',
'98F5B6', # 139 / 37 / 96
'98F5B7', # 140 / 37 / 96
'98F6B6',
'98F6B7', # 139 / 38 / 96
'98F7B7', # 139 / 38 / 96
'99F5B6', # 138 / 37 / 96
'99F5B7', # 139 / 37 / 96
'99F6B7',
'99F7B7', # 139 / 38 / 96
'99FCBB',
'9AF4B5', # HSV - 138 / 36 / 95
'9AF5B6',
'9AF6B6',
'9AF8B8',
'9AF8B9',
'9AF9B9',
'9BF9B9',
'9CEEBB', # 142 / 34 / 93
'9CFBBA',
'9FFFBE',
'A0FABD', # 139 / 36 / 98
'A1FFC1', # 140 / 36 / 100
'A2FFC1',
'A2FFC2', # 140 / 36 / 100
'A3FABA',
'A3FBB9', # 135 / 35 / 98
'A3FFC3',
'A5FFC3',
'A7FEC2',
'A8FCC2', # 138 / 33 / 98
# 'B3FCC2',
].map { |hex| Color.from_hex( hex ) }
puts "transparent colors:"
MORE_TRANSPARENT_COLORS.each do |color|
puts " #{Color.format( color )}"
end
AUTO_TRANSPARENT_COLORS = []
=begin
transparent colors:
#86d9a1 / rgb(134 217 161) - hsl(140° 52% 69%)
#87dba2 / rgb(135 219 162) - hsl(139° 54% 69%)
#87dca3 / rgb(135 220 163) - hsl(140° 55% 70%)
#8bdba4 / rgb(139 219 164) - hsl(139° 53% 70%)
#90eaa9 / rgb(144 234 169) - hsl(137° 68% 74%)
#97f4b5 / rgb(151 244 181) - hsl(139° 81% 77%)
#98f4b6 / rgb(152 244 182) - hsl(140° 81% 78%)
#98f5b6 / rgb(152 245 182) - hsl(139° 82% 78%)
#98f6b6 / rgb(152 246 182) - hsl(139° 84% 78%)
#98f6b7 / rgb(152 246 183) - hsl(140° 84% 78%)
#98f7b7 / rgb(152 247 183) - hsl(140° 86% 78%)
#99f5b7 / rgb(153 245 183) - hsl(140° 82% 78%)
#99f6b7 / rgb(153 246 183) - hsl(139° 84% 78%)
#99f7b7 / rgb(153 247 183) - hsl(139° 85% 78%)
#9af4b5 / rgb(154 244 181) - hsl(138° 80% 78%)
#9af5b6 / rgb(154 245 182) - hsl(138° 82% 78%)
#9af8b8 / rgb(154 248 184) - hsl(139° 87% 79%)
#9af8b9 / rgb(154 248 185) - hsl(140° 87% 79%)
#9ceebb / rgb(156 238 187) - hsl(143° 71% 77%)
#9fffbe / rgb(159 255 190) - hsl(139° 100% 81%)
#a0fabd / rgb(160 250 189) - hsl(139° 90% 80%)
#a1ffc1 / rgb(161 255 193) - hsl(140° 100% 82%)
#a2ffc2 / rgb(162 255 194) - hsl(141° 100% 82%)
#a3fbb9 / rgb(163 251 185) - hsl(135° 92% 81%)
=end
def pixelate( img, id: )
dest = Image.new( 24, 24 )
transparents = Hash.new(0)
offsets = if img.width == 512 && img.height == 512
PIXEL_OFFSET_432
else
puts "!! ERROR - unknown image dimension #{img.width}x#{img.height}; sorry"
exit 1
end
## use pixel[0,0] for background - why? why not?
background = img[0,0]
offsets.each do |offset_x, x|
offsets.each do |offset_y, y|
pixel = img[40+offset_x,80+offset_y]
if pixel == background || MORE_TRANSPARENT_COLORS.include?( pixel ) ||
AUTO_TRANSPARENT_COLORS.include?( pixel )
dest[x,y] = 0 ## Color::TRANSPARENT
else
## check for more transparents
## not s is 0.0 to 0.99 (100%)
## and l is 0.0 to 0.99 (100%)
h,s,l = Color.to_hsl( pixel )
h = (h % 360) ## might might negative degree (always make positive)
if (h >= 135 && h <= 143) &&
s >= 0.52 &&
l >= 0.69 # >= 52% && >= 69%
###
transparents[ pixel ] += 1
dest[x,y] = 0 ## Color::TRANSPARENT
else
dest[x,y] = pixel
end
end
end
end
if transparents.size > 0
puts " #{id} - (#{transparents.size}) transparent background(s) ?? auto-added:"
transparents.each do |color, count|
print " #{count} pixel(s) - #{Color.format( color )}"
print " -- #{Color.to_hsl( color ).join('/')}"
print "\n"
AUTO_TRANSPARENT_COLORS << color
end
end
dest
end
## 9900 items
range = (0..9899) ## (201..999) #(0..99) # ##(10..99) # (0..9) # (0..999) # (0..99) # (0..9)
range.each do |id|
txt = File.open( "./24px/meta/#{id}.json", "r:utf-8") { |f| f.read }
data = JSON.parse( txt )
assets = data['assets']
if assets.size != 1
puts "!! error - expection one asset per file"
exit 1
end
asset = assets[0]
name = asset['name']
# e.g. PixelCat 1 => 1
num = if m=name.match( /^PixelCat (?<num>[0-9]+)$/ )
m[:num].to_i( 10 ) ## note: add base 10 (e.g. 015=>15)
else
puts "!! ERROR - cannot find cat id number:"
pp asset
exit 1
end
puts "==> #{id} - #{name} => #{num}"
img = Image.read( "./24px/i/#{id}.png" )
## puts " #{img.width}x#{img.height}"
pix = pixelate( img, id: num ) ## for id use output number (not input id) - why? why not?
pix.save( "./24px/ii/#{num}.png")
end
puts
puts " #{AUTO_TRANSPARENT_COLORS.size} color(s) auto-added:"
AUTO_TRANSPARENT_COLORS.sort.each do |color|
puts " #{Color.format( color )}"
end
puts "bye"
__END__
166 color(s) auto-added:
#8ae0a6 / rgb(138 224 166) - hsl(140° 58% 71%)
#96f2b3 / rgb(150 242 179) - hsl(139° 78% 77%)
#96f2b4 / rgb(150 242 180) - hsl(140° 78% 77%)
#96f2b6 / rgb(150 242 182) - hsl(141° 78% 77%)
#96f3b4 / rgb(150 243 180) - hsl(139° 79% 77%)
#97f2b2 / rgb(151 242 178) - hsl(138° 78% 77%)
#97f2b3 / rgb(151 242 179) - hsl(138° 78% 77%)
#97f2b4 / rgb(151 242 180) - hsl(139° 78% 77%)
#97f3b3 / rgb(151 243 179) - hsl(138° 79% 77%)
#97f3b4 / rgb(151 243 180) - hsl(139° 79% 77%)
#97f3b5 / rgb(151 243 181) - hsl(140° 79% 77%)
#97f3b6 / rgb(151 243 182) - hsl(140° 79% 77%)
#97f4b7 / rgb(151 244 183) - hsl(141° 81% 77%)
#97f5b5 / rgb(151 245 181) - hsl(139° 82% 78%)
#97f5b6 / rgb(151 245 182) - hsl(140° 82% 78%)
#98f2b4 / rgb(152 242 180) - hsl(139° 78% 77%)
#98f2b5 / rgb(152 242 181) - hsl(139° 78% 77%)
#98f3b5 / rgb(152 243 181) - hsl(139° 79% 77%)
#98f5b5 / rgb(152 245 181) - hsl(139° 82% 78%)
#98f5b8 / rgb(152 245 184) - hsl(141° 82% 78%)
#98ffc0 / rgb(152 255 192) - hsl(143° 100% 80%)
#99f3b5 / rgb(153 243 181) - hsl(139° 79% 78%)
#99f4b5 / rgb(153 244 181) - hsl(138° 81% 78%)
#99f4b6 / rgb(153 244 182) - hsl(139° 81% 78%)
#99f4b7 / rgb(153 244 183) - hsl(140° 81% 78%)
#99f5b5 / rgb(153 245 181) - hsl(138° 82% 78%)
#99f5b8 / rgb(153 245 184) - hsl(140° 82% 78%)
#99f6b6 / rgb(153 246 182) - hsl(139° 84% 78%)
#99f6b9 / rgb(153 246 185) - hsl(141° 84% 78%)
#99f7b8 / rgb(153 247 184) - hsl(140° 85% 78%)
#99f8b8 / rgb(153 248 184) - hsl(140° 87% 79%)
#99f9b8 / rgb(153 249 184) - hsl(139° 89% 79%)
#99f9b9 / rgb(153 249 185) - hsl(140° 89% 79%)
#99fab9 / rgb(153 250 185) - hsl(140° 91% 79%)
#99fbb9 / rgb(153 251 185) - hsl(140° 92% 79%)
#99fbba / rgb(153 251 186) - hsl(140° 92% 79%)
#99fcba / rgb(153 252 186) - hsl(140° 94% 79%)
#99fcbc / rgb(153 252 188) - hsl(141° 94% 79%)
#9af4b6 / rgb(154 244 182) - hsl(139° 80% 78%)
#9af5b5 / rgb(154 245 181) - hsl(138° 82% 78%)
#9af5b7 / rgb(154 245 183) - hsl(139° 82% 78%)
#9af5b8 / rgb(154 245 184) - hsl(140° 82% 78%)
#9af6b7 / rgb(154 246 183) - hsl(139° 84% 78%)
#9af6b8 / rgb(154 246 184) - hsl(140° 84% 78%)
#9af7b7 / rgb(154 247 183) - hsl(139° 85% 79%)
#9af7b8 / rgb(154 247 184) - hsl(139° 85% 79%)
#9afab9 / rgb(154 250 185) - hsl(139° 91% 79%)
#9afaba / rgb(154 250 186) - hsl(140° 91% 79%)
#9afcbc / rgb(154 252 188) - hsl(141° 94% 80%)
#9afdba / rgb(154 253 186) - hsl(139° 96% 80%)
#9afdbc / rgb(154 253 188) - hsl(141° 96% 80%)
#9afdbd / rgb(154 253 189) - hsl(141° 96% 80%)
#9bf2b7 / rgb(155 242 183) - hsl(139° 77% 78%)
#9bf4b5 / rgb(155 244 181) - hsl(138° 80% 78%)
#9bf5b6 / rgb(155 245 182) - hsl(138° 82% 78%)
#9bf5b7 / rgb(155 245 183) - hsl(139° 82% 78%)
#9bf7b8 / rgb(155 247 184) - hsl(139° 85% 79%)
#9bf7b9 / rgb(155 247 185) - hsl(140° 85% 79%)
#9bf7ba / rgb(155 247 186) - hsl(140° 85% 79%)
#9bf8b7 / rgb(155 248 183) - hsl(138° 87% 79%)
#9bf8b8 / rgb(155 248 184) - hsl(139° 87% 79%)
#9bf8b9 / rgb(155 248 185) - hsl(139° 87% 79%)
#9bf9ba / rgb(155 249 186) - hsl(140° 89% 79%)
#9bfab9 / rgb(155 250 185) - hsl(139° 90% 79%)
#9bfaba / rgb(155 250 186) - hsl(140° 90% 79%)
#9bfabb / rgb(155 250 187) - hsl(140° 90% 79%)
#9bfbba / rgb(155 251 186) - hsl(139° 92% 80%)
#9bfbbb / rgb(155 251 187) - hsl(140° 92% 80%)
#9bfcbb / rgb(155 252 187) - hsl(140° 94% 80%)
#9bfdbc / rgb(155 253 188) - hsl(140° 96% 80%)
#9cf6b7 / rgb(156 246 183) - hsl(138° 83% 79%)
#9cf7b8 / rgb(156 247 184) - hsl(138° 85% 79%)
#9cf7b9 / rgb(156 247 185) - hsl(139° 85% 79%)
#9cf8b7 / rgb(156 248 183) - hsl(138° 87% 79%)
#9cf8b8 / rgb(156 248 184) - hsl(138° 87% 79%)
#9cf8b9 / rgb(156 248 185) - hsl(139° 87% 79%)
#9cfbbb / rgb(156 251 187) - hsl(140° 92% 80%)
#9cfbbd / rgb(156 251 189) - hsl(141° 92% 80%)
#9cfbbe / rgb(156 251 190) - hsl(141° 92% 80%)
#9cfcbb / rgb(156 252 187) - hsl(139° 94% 80%)
#9cfcbd / rgb(156 252 189) - hsl(141° 94% 80%)
#9cfcbe / rgb(156 252 190) - hsl(141° 94% 80%)
#9cfdbb / rgb(156 253 187) - hsl(139° 96% 80%)
#9df5b5 / rgb(157 245 181) - hsl(136° 81% 79%)
#9df6b7 / rgb(157 246 183) - hsl(138° 83% 79%)
#9dfcbb / rgb(157 252 187) - hsl(139° 94% 80%)
#9dfebc / rgb(157 254 188) - hsl(139° 98% 81%)
#9ef4bb / rgb(158 244 187) - hsl(140° 80% 79%)
#9efbba / rgb(158 251 186) - hsl(138° 92% 80%)
#9fedbc / rgb(159 237 188) - hsl(142° 68% 78%)
#9ff4bc / rgb(159 244 188) - hsl(140° 79% 79%)
#9ff5ba / rgb(159 245 186) - hsl(139° 81% 79%)
#9ff9be / rgb(159 249 190) - hsl(141° 88% 80%)
#9ffbba / rgb(159 251 186) - hsl(138° 92% 80%)
#9ffbc2 / rgb(159 251 194) - hsl(143° 92% 80%)
#a0f3be / rgb(160 243 190) - hsl(142° 78% 79%)
#a0f5bb / rgb(160 245 187) - hsl(139° 81% 79%)
#a0f6b5 / rgb(160 246 181) - hsl(135° 83% 80%)
#a0f8ba / rgb(160 248 186) - hsl(138° 86% 80%)
#a0fbc2 / rgb(160 251 194) - hsl(142° 92% 81%)
#a0fcba / rgb(160 252 186) - hsl(137° 94% 81%)
#a0fcc3 / rgb(160 252 195) - hsl(143° 94% 81%)
#a1f7ba / rgb(161 247 186) - hsl(137° 84% 80%)
#a1f9bc / rgb(161 249 188) - hsl(138° 88% 80%)
#a1f9bd / rgb(161 249 189) - hsl(139° 88% 80%)
#a1fab8 / rgb(161 250 184) - hsl(136° 90% 81%)
#a1fcb8 / rgb(161 252 184) - hsl(135° 94% 81%)
#a1ffc0 / rgb(161 255 192) - hsl(140° 100% 82%)
#a1ffc2 / rgb(161 255 194) - hsl(141° 100% 82%)
#a2eeba / rgb(162 238 186) - hsl(139° 69% 78%)
#a2f8bb / rgb(162 248 187) - hsl(137° 86% 80%)
#a2f8c1 / rgb(162 248 193) - hsl(142° 86% 80%)
#a2fcc2 / rgb(162 252 194) - hsl(141° 94% 81%)
#a2fdc2 / rgb(162 253 194) - hsl(141° 96% 81%)
#a2fec2 / rgb(162 254 194) - hsl(141° 98% 82%)
#a2ffc0 / rgb(162 255 192) - hsl(139° 100% 82%)
#a3efbc / rgb(163 239 188) - hsl(140° 70% 79%)
#a3f6b8 / rgb(163 246 184) - hsl(135° 82% 80%)
#a3f7be / rgb(163 247 190) - hsl(139° 84% 80%)
#a3f8b8 / rgb(163 248 184) - hsl(135° 86% 81%)
#a3fcbf / rgb(163 252 191) - hsl(139° 94% 81%)
#a3fcc3 / rgb(163 252 195) - hsl(142° 94% 81%)
#a3fdc0 / rgb(163 253 192) - hsl(139° 96% 82%)
#a3fdc1 / rgb(163 253 193) - hsl(140° 96% 82%)
#a3fdc2 / rgb(163 253 194) - hsl(141° 96% 82%)
#a3fdc3 / rgb(163 253 195) - hsl(141° 96% 82%)
#a3fec1 / rgb(163 254 193) - hsl(140° 98% 82%)
#a3ffc0 / rgb(163 255 192) - hsl(139° 100% 82%)
#a3ffc1 / rgb(163 255 193) - hsl(140° 100% 82%)
#a3ffc2 / rgb(163 255 194) - hsl(140° 100% 82%)
#a4f7bd / rgb(164 247 189) - hsl(138° 84% 81%)
#a4f8bc / rgb(164 248 188) - hsl(137° 86% 81%)
#a4f8c3 / rgb(164 248 195) - hsl(142° 86% 81%)
#a4fbbe / rgb(164 251 190) - hsl(138° 92% 81%)
#a4fbc1 / rgb(164 251 193) - hsl(140° 92% 81%)
#a4fcbe / rgb(164 252 190) - hsl(138° 94% 82%)
#a4fcbf / rgb(164 252 191) - hsl(138° 94% 82%)
#a4ffc1 / rgb(164 255 193) - hsl(139° 100% 82%)
#a4ffc3 / rgb(164 255 195) - hsl(140° 100% 82%)
#a5f6bb / rgb(165 246 187) - hsl(136° 82% 81%)
#a5f6bc / rgb(165 246 188) - hsl(137° 82% 81%)
#a5f7bb / rgb(165 247 187) - hsl(136° 84% 81%)
#a5f8bf / rgb(165 248 191) - hsl(139° 86% 81%)
#a5f9c1 / rgb(165 249 193) - hsl(140° 87% 81%)
#a5fabe / rgb(165 250 190) - hsl(138° 89% 81%)
#a5fec1 / rgb(165 254 193) - hsl(139° 98% 82%)
#a5ffbf / rgb(165 255 191) - hsl(137° 100% 82%)
#a6f7bc / rgb(166 247 188) - hsl(136° 84% 81%)
#a6fdc2 / rgb(166 253 194) - hsl(139° 96% 82%)
#a7f6c2 / rgb(167 246 194) - hsl(141° 81% 81%)
#a7fac2 / rgb(167 250 194) - hsl(140° 89% 82%)
#a7fdc2 / rgb(167 253 194) - hsl(139° 96% 82%)
#a9f0c2 / rgb(169 240 194) - hsl(141° 70% 80%)
#a9fcc2 / rgb(169 252 194) - hsl(138° 93% 83%)
#aafbc6 / rgb(170 251 198) - hsl(141° 91% 83%)
#abf4c2 / rgb(171 244 194) - hsl(139° 77% 81%)
#abf9c1 / rgb(171 249 193) - hsl(137° 87% 82%)
#adfac2 / rgb(173 250 194) - hsl(136° 89% 83%)
#aef8c6 / rgb(174 248 198) - hsl(139° 84% 83%)
#d0ffdf / rgb(208 255 223) - hsl(139° 100% 91%)
#d1ffe2 / rgb(209 255 226) - hsl(142° 100% 91%)
#d3fee0 / rgb(211 254 224) - hsl(138° 96% 91%)
#d3fee1 / rgb(211 254 225) - hsl(140° 96% 91%)
#d3ffe1 / rgb(211 255 225) - hsl(139° 100% 91%)
#d3ffe2 / rgb(211 255 226) - hsl(140° 100% 91%)
#d4fee1 / rgb(212 254 225) - hsl(139° 95% 91%)