Yeah, you resample fractional pixel values in the shears, ideally with a sinc() kernel. This has the virtue that the resampling weights are identical across lin

Yeah, you resample fractional pixel values in the shears, ideally with a sinc() kernel. This has the virtue that the resampling weights are identical across lines in the shear, which allows a very efficient SIMD implementation. This is how we do CPU-based image rotations!