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|
#!/bin/sh
exitwithhelp()
{
echo "Usage: navit_svg2png <conversion_tool> <output_png_filename> [<width_px> <height_px>]"
echo "The input filename is the same than the output png one with svg or svgz extension"
echo "Possible conversion tools: ksvgtopng, ksvgtopng4, rsvg-convert, inkscape and convert"
echo "width_px and height_px arguments can be omitted if output png size is specified in the filename, like this: imagename_WIDTH_HEIGHT.png (ex. myPng_100_100.png)"
exit
}
svgtopng()
{
case $svgtopng in
*ksvgtopng|*ksvgtopng4)
$svgtopng $*
;;
*rsvg-convert)
$svgtopng --width=$1 --height=$2 --output $4 $3
;;
*inkscape)
$svgtopng --export-width=$1 --export-height=$2 --export-type=png --export-filename=$4 $3
;;
*convert)
$svgtopng -alpha on -background none $3 -resize $1x$2 $4
;;
*)
echo "Error: unknown conversion tool"
exitwithhelp # unknown conversion tool
;;
esac
}
if [ "$OSTYPE" != "cygwin" -a "$OSTYPE" != "msys" ]; then
ulimit -t 10
fi
svgtopng=$1
png=$2
w=$3
h=$4
# if -h or --help arg is passed, print help and exit
case "$1" in
'-h'|'--help'|'')
exitwithhelp
;;
esac
# args num must be == 2 or == 4
if [ "$#" -ne 2 ] && [ "$#" -ne 4 ];
then
echo "Error: wrong number of arguments"
exitwithhelp
fi
case "$png" in
*_[1-9]*_[1-9]*.png)
if [ "$#" -ne 2 ]; then
echo "Error: output png size is specified by filename and by arguments, plese use only one"
exitwithhelp # png size musn't be specifed, only in filename
fi
svg=${png%_*_*.png};
h=${png##*_}
w=${png%_$h}
h=${h%.png}
w=${w##*_}
;;
*)
if [ "$#" -ne 4 ]; then
echo "Error: please, specify output png size"
exitwithhelp # filename doesn't specify png size, must be done with args 3 and 4
fi
svg=${png%.png}
;;
esac
if [ ! -f $svg.svg -a ! -f $svg.svgz ]
then
svg="$SRCDIR/$svg"
fi
if [ -f $png -a ! -f $svg.svg ]; then
# width and height seems to be defined as part of the file name
touch $png
else
# use width and height from the svg image
if [ -f $svg.svg ]
then
if [ -z "$w" ]
then
w=$(grep 'width="[0-9pxt.]*"' $svg.svg | head -n 1 | sed -e 's/.*width="//' -e 's/[pxt]*".*//')
fi
if [ -z "$h" ]
then
h=$(grep 'height="[0-9pxt.]*"' $svg.svg | head -n 1 | sed -e 's/.*height="//' -e 's/[pxt]*".*//')
fi
svgtopng $w $h $svg.svg $png
elif [ -f $svg.svgz ]
then
gzip -dc <$svg.svgz >$svg.svg
if [ -z "$w" ]
then
w=$(grep 'width="[0-9pxt.]*"' $svg.svg | head -n 1 | sed -e 's/.*width="//' -e 's/[pxt]*".*//')
fi
if [ -z "$h" ]
then
h=$(grep 'height="[0-9pxt.]*"' $svg.svg | head -n 1 | sed -e 's/.*height="//' -e 's/[pxt]*".*//')
fi
svgtopng $w $h $svg.svg $png
rm -f $svg.svg
fi
fi
exit 0
|
