Make icon an SVG

It’s still saved as a PNG in the extension package, but rendering it
from an SVG produces a better-looking result and is easier to work
with.

5 files changed, 25 insertions, 5 deletions

diff --git a/build.ninja b/build.ninja
index 63813aa..559100a 100644
--- a/build.ninja
+++ b/build.ninja
@@ -15,7 +15,7 @@
 name = disable_keyboard_shortcuts
 
 rule generate_png
-  command = gen/png $in $out 2>/dev/null
+  command = gen/png $in $width $out 2>/dev/null
   description = Generating $out
 
 rule minify_js
@@ -32,8 +32,10 @@ rule zip
 
 build $name/background.js: minify_js background.js
 build $name/manifest.json: minify_json manifest.json
-build $name/icon128.png: generate_png icon128.png
-build $name/icon48.png: generate_png icon128.png
+build $name/icon128.png: generate_png icon.svg
+  width = 128
+build $name/icon48.png: generate_png icon.svg
+  width = 48
 
 build $name.zip: zip $name/background.js $name/manifest.json $name/icon128.png $
     $name/icon48.png
diff --git a/gen/png b/gen/png
index 337fda1..cab38c7 100755
--- a/gen/png
+++ b/gen/png
@@ -15,5 +15,5 @@
 
 set -eu
 
-cp "$1" "$2"
-optipng -o7 "$2"
+inkscape -w "$2" -h "$2" -o "$3" "$1"
+optipng -o7 "$3"
diff --git a/icon.svg b/icon.svg
new file mode 100644
index 0000000..f30b96a
--- /dev/null
+++ b/icon.svg
@@ -0,0 +1,18 @@
+<!-- Copyright 2021 Benjamin Barenblat
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not
+use this file except in compliance with the License. You may obtain a copy of
+the License at
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+License for the specific language governing permissions and limitations under
+the License. -->
+
+<svg version="1.1" width="128" height="128" xmlns="http://www.w3.org/2000/svg">
+  <circle cx="50%" cy="50%" r="53.5" fill-opacity="0" stroke="black"
+	  stroke-width="5" />
+</svg>
diff --git a/icon128.png b/icon128.png
deleted file mode 100644
index 0021ccf..0000000
--- a/icon128.png
+++ /dev/null
diff --git a/icon48.png b/icon48.png
deleted file mode 100644
index 5158189..0000000
--- a/icon48.png
+++ /dev/null