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-rwxr-xr-xMaster/texmf-dist/doc/metapost/featpost/bash/pngmaker.sh18
1 files changed, 18 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/metapost/featpost/bash/pngmaker.sh b/Master/texmf-dist/doc/metapost/featpost/bash/pngmaker.sh
new file mode 100755
index 00000000000..2d9bf5b359e
--- /dev/null
+++ b/Master/texmf-dist/doc/metapost/featpost/bash/pngmaker.sh
@@ -0,0 +1,18 @@
+outf=`basename $1 eps`png
+prefwidth=160
+prefheigh=144
+prefratio=$(( 1000 * $prefwidth / $prefheigh ))
+tmpf=`mktemp pngmaker.XXXXXX`
+epstopdf --nogs -o $tmpf $1
+epswidth=`identify $tmpf | cut -d " " -f 3 | cut -d x -f 1`
+epsheigh=`identify $tmpf | cut -d " " -f 3 | cut -d x -f 2`
+aspectra=$(( 1000 * $epswidth / $epsheigh ))
+if test $aspectra -ge $prefratio
+then resol=$(( 116 * $prefwidth / $epswidth ))
+else resol=$(( 116 * $prefheigh / $epsheigh ))
+fi
+echo " Resolution:" $resol "dpi."
+gs -q -sDEVICE=pngalpha -r$resol -dNOPAUSE -sOutputFile=$outf -dTextAlphaBits=4 -dGraphicsAlphaBits=4 $tmpf </dev/null
+mv $outf png/
+rm $tmpf
+