If you only want bilinear and nearest-neighbor, yes. Lanczos is much less easy to write, and is even harder to make it run fast. And there are things like sub

If you only want bilinear and nearest-neighbor, yes. Lanczos is much less easy to write, and is even harder to make it run fast. And there are things like subpixel positioning (it is way too easy to make resizer that shift image by 0.5 pixel)