Simple Go image processing package

 Package imaging provides basic image manipulation functions (resize,
 rotate, flip, crop, etc.). This package is based on the standard Go
 image package and works best along with it.
 .
 Image manipulation functions provided by the package take any
 image type that implements image.Image interface as an input,
 and return a new image of *image.NRGBA type (32bit RGBA colors, not
 premultiplied by alpha).