-- copy image and invert
w, h = img.width, img.height
pixels = {}
for y = 0, h-1 do
  for x = 0, w-1 do
    pixels[y*w+x+1] = 0xFFFFFF - img.getInt(x, y)
  end
end
test run test run with input download show line numbers
Travelled to 12 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt
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| Snippet ID: | #370 | 
| Snippet name: | Image Inverter | 
| Eternal ID of this version: | #370/1 | 
| Text MD5: | ae38ee72926ba53e8bc93086af1143bb | 
| Author: | stefan | 
| Category: | image transformers | 
| Type: | Lua code - Image transformer | 
| Public (visible to everyone): | Yes | 
| Archived (hidden from active list): | No | 
| Created/modified: | 2015-02-03 21:23:28 | 
| Source code size: | 174 bytes / 9 lines | 
| Pitched / IR pitched: | No / Yes | 
| Views / Downloads: | 1011 / 878 | 
| Referenced in: | [show references] |