Added thumbnailers for stl & openscad

Signed-off-by: Tony Tkacik <tonydamage@gmail.com>

support/openscad-thumbnailer

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+SCHEME=${4:-Tomorrow}
+
+IN_FILE="$1";
+OUTFILE="$2";
+SIZE="$3";
+
+
+
+openscad-nightly \
+   --preview \
+   --colorscheme=$SCHEME \
+   -o "$OUTFILE".png \
+   --imgsize=$SIZE,$SIZE \
+    "$IN_FILE" 2> /dev/null
+
+mv "$OUTFILE.png" "$OUTFILE"

support/openscad.thumbnailer

@@ -0,0 +1,3 @@
+[Thumbnailer Entry]
+Exec=openscad-thumbnailer %i %o %s
+MimeType=application/x-openscad;

support/stl-mime.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
+   <mime-type type="application/sla">
+     <comment>Stereolithography 3D Model</comment>
+     <glob pattern="*.stl"/>
+   </mime-type>
+</mime-info>

support/stl-thumbnailer

@@ -0,0 +1,5 @@
+#!/bin/sh
+TMP_FILE=$(mktemp)
+echo "import(\"$1\");" > $TMP_FILE
+openscad-thumbnailer $TMP_FILE "$2" "$3" Nature
+rm $TMP_FILE

support/stl.thumbnailer

@@ -0,0 +1,3 @@
+[Thumbnailer Entry]
+Exec=stl-thumbnailer %i %o %s
+MimeType=application/sla;