# Functions
AsRGBA returns an RGBA copy of the supplied image.
AsShallowRGBA tries to cast to image.RGBA to get reference.
Pad returns an RGBA copy of the src image parameter with its edges padded using the supplied PadMethod.
# Constants
EdgeExtend extends the closest edge pixel.
EdgeWrap wraps around the pixels of an image.
NoFill leaves the padded pixels empty.
# Type aliases
PadMethod is the method used to fill padded pixels.