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generate-jpeg: minor fixes

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This commit is contained in:
Rudolf Polzer 2010-06-21 15:09:03 +02:00
parent 835ee48b40
commit 019698126f
1 changed files with 3 additions and 7 deletions
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10
misc/tools/generate-jpeg.sh
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@ -3,19 +3,14 @@
set -e
: ${qual:=95}
: ${qual_alpha:=99}
for X in "$@"; do
case "$X" in
*.jpg)
if [ -n "$scaledown" ]; then
mogrify -geometry "$scaledown" -quality 100 "$X"
fi
jpegoptim --strip-all -m$qual "$X"
;;
*.png|*.tga)
if [ -n "$scaledown" ]; then
mogrify -geometry "$scaledown" -quality 100 "$X"
fi
if convert "$X" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; ++$pix; } exit not $pix;'; then
echo "$X has no alpha, converting"
convert "$X" -quality 100 "${X%.*}.jpg"
@ -25,7 +20,8 @@ for X in "$@"; do
echo "$X has alpha, converting twice"
convert "$X" -alpha extract -quality 100 "${X%.*}.jpg"
convert "$X" -alpha off -quality 100 "${X%.*}_alpha.jpg"
jpegoptim --strip-all -m$qual "${X%.*}_alpha.jpg"
jpegoptim --strip-all -m$qual "${X%.*}.jpg"
jpegoptim --strip-all -m$qual_alpha "${X%.*}_alpha.jpg"
rm -f "$X"
fi
;;