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for F in public/*/cover.jpg public/*/cover.png
do
echo Processing: $F
B=$(echo $F | sed s/.jpg// | sed s/.png//)
D=$(dirname $F)
PORTRAIT=$(convert $F -format '%[fx:w<h]' info:)
SQUARE=$(convert $F -format '%[fx:w=h]' info:)
SIZE_1X=170x200
SIZE_2X=340x400
SIZE_TH=120x144
if test $PORTRAIT = 1
then
echo - portrait
SIZE_1X=150x200!
SIZE_2X=300x400!
SIZE_TH=108x144!
fi
if test $SQUARE = 1
then
echo - square
SIZE_1X=170x170!
SIZE_2X=170x170!
SIZE_TH=120x120!
fi
convert -colorspace RGB -resize $SIZE_1X -colorspace sRGB $F $B.1x.png
pngtopnm $B.1x.png | cjpeg -progressive -optimize -sample 1x1 -quality 95 > $B.1x.jpg
rm -f $B.1x.png
convert -colorspace RGB -resize $SIZE_2X $F -colorspace sRGB $B.2x.png
pngtopnm $B.2x.png | cjpeg -progressive -optimize -sample 1x1 -quality 95 > $B.2x.jpg
rm -f $B.2x.png
convert -colorspace RGB -resize $SIZE_TH $F -colorspace sRGB $D/thumbnail.png
pngtopnm $D/thumbnail.png | cjpeg -progressive -optimize -sample 1x1 -quality 95 > $D/thumbnail.jpg
rm -f $D/thumbnail.png
done
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