Last change
on this file since 5288 was 4939, checked in by xeen, 13 years ago |
add shell script that compresses all PNGs
Requires ImageMagick and optipng to be installed and available in $PATH.
Works around bug which causes PNGs with 1-bit-alpha-channels to have an
opaque background (see #1576)
|
-
Property svn:executable
set to
*
|
File size:
443 bytes
|
Line | |
---|
1 | #!/bin/sh
|
---|
2 |
|
---|
3 | for x in $(find images/ -name "*.png"); do
|
---|
4 | echo "Processing ${x}"
|
---|
5 | identify -quiet -verbose "${x}" | grep "alpha: 1-bit" > /dev/null
|
---|
6 | if [ "$?" -ne "0" ]; then
|
---|
7 | # non-1-bit-alpha image, process normally
|
---|
8 | optipng -o7 -quiet "${x}"
|
---|
9 | else
|
---|
10 | # disable color type reduction because that will break
|
---|
11 | # transparency for the images in JOSM using the current
|
---|
12 | # image loading method (see #1576)
|
---|
13 | optipng -nc -o7 -quiet "${x}"
|
---|
14 | fi
|
---|
15 | done
|
---|
Note:
See
TracBrowser
for help on using the repository browser.