Make cropping, padding, and rescaling independent (after this patch, the cropping / padding code in img_resample() is not needed anymore)
Make cropping, padding, and rescaling independent (after this patch,
the cropping / padding code in img_resample() is not needed anymore)


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@5279 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg