1 | -- copy image and invert |
2 | |
3 | w, h = img.width, img.height |
4 | pixels = {}
|
5 | for y = 0, h-1 do |
6 | for x = 0, w-1 do |
7 | pixels[y*w+x+1] = 0xFFFFFF - img.getInt(x, y) |
8 | end |
9 | 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: | 1014 / 879 |
| Referenced in: | [show references] |