Process STL thumbnails using OpenSCAD

5 files changed, 67 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..185ce181ba99
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,15 @@
+pkgbase = tumbler-stl-thumbnailer
+	pkgdesc = Custom STL thumbnails for Tumbler
+	pkgver = 1
+	pkgrel = 1
+	url = https://github.com/j-james/thunar-stl-thumbnails
+	arch = any
+	license = BSD
+	depends = tumbler
+	depends = openscad
+	source = stl.thumbnailer
+	source = stl-thumbnailer.sh
+	sha256sums = fd4a8c44e4a35418e894241a3e6fefcab83279570b5e91296dde1f1179b0a0cc
+	sha256sums = 0b6a39b7facae2c7d036a0017010a86f6a3ebcb2a572312174d7d4cff1af8325
+
+pkgname = tumbler-stl-thumbnailer
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 000000000000..48b75fe7530b
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,7 @@
+BSD Zero Clause License
+
+Copyright (C) 2021 j-james <https://j-james.me>
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..ad2c40e40d70
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,18 @@
+# Maintainer: j-james <jj@j-james.me>
+pkgname=tumbler-stl-thumbnailer
+pkgver=1
+pkgrel=1
+pkgdesc="Custom STL thumbnails for Tumbler"
+arch=('any')
+url="https://github.com/j-james/thunar-stl-thumbnails"
+license=('BSD')
+depends=('tumbler' 'openscad')
+source=('stl.thumbnailer'
+		'stl-thumbnailer.sh')
+sha256sums=('fd4a8c44e4a35418e894241a3e6fefcab83279570b5e91296dde1f1179b0a0cc'
+			'0b6a39b7facae2c7d036a0017010a86f6a3ebcb2a572312174d7d4cff1af8325')
+
+package() {
+	install -Dvm644 "stl.thumbnailer" "$pkgdir/usr/share/thumbnailers/stl.thumbnailer"
+	install -Dvm755 "stl-thumbnailer.sh" "$pkgdir/usr/bin/stl-thumbnailer"
+}
diff --git a/stl-thumbnailer.sh b/stl-thumbnailer.sh
new file mode 100644
index 000000000000..73389794ca53
--- /dev/null
+++ b/stl-thumbnailer.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+if [[ $# -lt 3 ]]; then
+	echo "$0: input_file_name output_file_name size"
+	exit 255
+fi
+
+INPUT_FILE=$1
+OUTPUT_FILE=$2
+SIZE=$3
+
+TEMP="$(mktemp --directory --tmpdir tumbler-stl-XXXXXXX)"
+cp "$INPUT_FILE" "$TEMP/source.stl"
+
+echo "import(\"source.stl\", convexity=10);" > "$TEMP/thumbnail.scad"
+openscad --imgsize "500,500" -o "$TEMP/thumbnail.png" "$TEMP/thumbnail.scad" 2>/dev/null
+
+convert -thumbnail "$SIZE" "$TEMP/thumbnail.png" "$OUTPUT_FILE" 1>/dev/null 2>&1
+
+rm -rf $TEMP
diff --git a/stl.thumbnailer b/stl.thumbnailer
new file mode 100644
index 000000000000..1de2d21b7331
--- /dev/null
+++ b/stl.thumbnailer
@@ -0,0 +1,7 @@
+[Thumbnailer Entry]
+Version=1.0
+Encoding=UTF-8
+Type=X-Thumbnailer
+Name=STL Thumbnailer
+MimeType=model/stl;
+Exec=/usr/bin/stl-thumbnailer %i %o %s