diff options
Diffstat (limited to 'bin/rtt-update-covers')
| -rwxr-xr-x | bin/rtt-update-covers | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/bin/rtt-update-covers b/bin/rtt-update-covers new file mode 100755 index 0000000..0eae8e7 --- /dev/null +++ b/bin/rtt-update-covers @@ -0,0 +1,53 @@ +#!/bin/bash + +if command -v convert && command -v pngtopnm && command -v cjpeg +then + echo "Generating cover images and thumbnails!" +else + echo error: cannot find imagemagick, netpbm, and/or cjpeg + exit 1 +fi + +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) + + if [ $F -nt $D/thumbnail.png ] + then + + PORTRAIT=$(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_TH $F -colorspace sRGB $D/thumbnail.png + convert -colorspace RGB -resize $SIZE_1X -colorspace sRGB $F $B.1x.png + convert -colorspace RGB -resize $SIZE_2X $F -colorspace sRGB $B.2x.png + + fi + + pngtopnm $D/thumbnail.png | cjpeg -progressive -optimize -sample 1x1 -quality 95 > $D/thumbnail.jpg + pngtopnm $B.1x.png | cjpeg -progressive -optimize -sample 1x1 -quality 95 > $B.1x.jpg + pngtopnm $B.2x.png | cjpeg -progressive -optimize -sample 1x1 -quality 95 > $B.2x.jpg + +done |