[GRASS-SVN] r55769 - grass-addons/tools

[svn_grass at osgeo.org]

Author: hamish
Date: 2013-04-13 20:51:12 -0700 (Sat, 13 Apr 2013)
New Revision: 55769

Added:
   grass-addons/tools/compress_all_png.sh
Log:
script to run through the source tree and compress all the PNGs it finds

Added: grass-addons/tools/compress_all_png.sh
===================================================================
--- grass-addons/tools/compress_all_png.sh	                        (rev 0)
+++ grass-addons/tools/compress_all_png.sh	2013-04-14 03:51:12 UTC (rev 55769)
@@ -0,0 +1,49 @@
+#!/bin/sh
+#   compress_all_png.sh
+#
+#   by Hamish Bowman 14 Apr 2013, Dunedin NZ
+#   released to the Public Domain
+#
+# works its way through the SVN source code tree, finds PNG images, and attempts
+# to set the appropriate Subversion props on them & optimize them for size.
+# tip: if you have a multi-core machine, why not run on all branches in parallel? :)
+#
+
+if [ ! -x "`which optipng`" ] ; then
+   echo "This script requires optipng.  Quitting."
+   exit 1
+fi
+
+if [ ! -x "`which module_svn_propset.sh`" ] ; then
+    echo "Could not find module_svn_propset.sh.  Continuing anyway..."
+    sleep 3
+fi
+
+if [ ! -x "`which svn`" ] ; then
+    echo "Could not find Subversion.  Continuing anyway..."
+    sleep 3
+fi
+
+BUILDDIR="dist.`uname -m`-`uname -p`"
+
+for IMG in `find . | grep -i '\.png$' | grep -v "$BUILDDIR"` ; do
+   # avoid running on e.g. d.out.png/ dir and d.out.png script
+   if [ -d "$IMG" ] || [ -x "$IMG" ] ; then
+     continue
+   fi
+
+   module_svn_propset.sh "$IMG"
+   optipng -o5 "$IMG" | grep -v '^OptiPNG \|^Copyright '
+done
+
+
+MODIFIED=`svn diff $(find . | grep -i '\.png$' | grep -v "$BUILDDIR") | grep Index | cut -f2- -d' '`
+svn diff $MODIFIED
+
+#
+## preview & keep an eye out for breakage:
+#qiv -f $MODIFIED
+#
+#svn commit $MODIFIED -m "Run 'optipng -o5' to compress PNG images"
+#
+