16 lines
405 B
Bash
16 lines
405 B
Bash
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function nearest_pow2 {
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python -c "import math; print(2 ** int(math.ceil(math.log($1) / math.log(2.0))))"
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}
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mkdir -p new
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for file in $@ do
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size=$(identify $file | cut -d' ' -f 3)
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w=$(echo $size | cut -d'x' -f 1)
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h=$(echo $size | cut -d'x' -f 2)
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n_w=$(nearest_pow2 $w)
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n_h=$(nearest_pow2 $h)
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echo "$file: ${w}x${h} -> ${n_w}x${n_h}"
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convert $file -resize ${n_w}x${n_h}\! new/$file
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done
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