Fix some minor problems with oiiotool --resample #1694
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Sometimes you really, REALLY just want closest pixel blocky appearance rather than bilinear sampling. ImageBufAlgo::resample() had that option, but `oiotool --resample` didn't expose it.
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oiiotool --resample:interp=0Sometimes you really, REALLY just want closest pixel blocky appearance rather than bilinear sampling. ImageBufAlgo::resample() had that option, but
oiotool --resampledidn't expose it.Discovered and fixed a 1/2 pixel shift for resampling. (resize was correct, resample was off)
Discovered along the way: fix some broken diff printing when deep images are involved.