| # | Line 68 | Line 68 | For example, | |
|---|---|---|
| 68 | would return the red component of the pixel from picture 3 | |
| 69 | that is left 2 and up 1 from the current position. | |
| 70 | Although x offsets may be as large as width of the picture, | |
| 71 | < | y offsets are limited to a small window (+/- 8 pixels) due to efficiency |
| 71 | > | y offsets are limited to a small window (+/- 32 pixels) due to efficiency |
| 72 | considerations. | |
| 73 | However, it is not usually necessary to worry about this problem -- | |
| 74 | if the requested offset is not available, the next best pixel is | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |