Brand mark: scallop ribbon shape, app icon in light / dark / tinted (#11)

2026-08-03 17:00:52 +00:00
parent b3d8719874
commit c932814166
10 changed files with 1073 additions and 0 deletions
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+# Renders the three app-icon variants from appicon.html into the asset catalog.
+#
+#   scripts/appicon/generate.sh
+#
+# Chrome is the rasteriser because it is the only thing on a stock Mac that
+# renders SVG the same way the browser preview sheets in docs/ do. The PNGs it
+# writes are build output — edit appicon.html, not them.
+set -euo pipefail
+
+HERE="$(cd "$(dirname "$0")" && pwd)"
+OUT="$HERE/../../Marks/Assets.xcassets/AppIcon.appiconset"
+CHROME="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+
+[ -x "$CHROME" ] || { echo "Google Chrome not found at $CHROME" >&2; exit 1; }
+command -v magick >/dev/null || { echo "ImageMagick (magick) not found" >&2; exit 1; }
+
+render() {
+  local variant=$1 name=$2
+  "$CHROME" --headless=new --disable-gpu --hide-scrollbars \
+    --default-background-color=00000000 \
+    --screenshot="$OUT/$name" --window-size=1024,1024 \
+    --virtual-time-budget=2000 \
+    "file://$HERE/appicon.html?v=$variant" >/dev/null 2>&1
+  echo "  $name"
+}
+
+echo "rendering app icon ->"
+render light  AppIcon.png
+render dark   AppIcon-Dark.png
+render tinted AppIcon-Tinted.png
+
+# The light icon is the one shipped as the home-screen artwork, and iOS rejects
+# an alpha channel there. The dark and tinted variants are composited by the
+# system over a background it supplies, so they must keep theirs.
+magick "$OUT/AppIcon.png" -background '#F8F5EF' -alpha remove -alpha off "$OUT/AppIcon.png"
+
+echo "done"