alice.mosphere.at
this repo has no description
1#!/usr/bin/env bash
2set -euo pipefail
3
4ICON_FILE=${1:-Icon.icon}
5BASENAME=${2:-Icon}
6OUT_ROOT=${3:-build/icon}
7XCODE_APP=${XCODE_APP:-/Applications/Xcode.app}
8
9ICTOOL="$XCODE_APP/Contents/Applications/Icon Composer.app/Contents/Executables/ictool"
10if [[ ! -x "$ICTOOL" ]]; then
11 ICTOOL="$XCODE_APP/Contents/Applications/Icon Composer.app/Contents/Executables/icontool"
12fi
13if [[ ! -x "$ICTOOL" ]]; then
14 echo "ictool/icontool not found. Set XCODE_APP if Xcode is elsewhere." >&2
15 exit 1
16fi
17
18ICONSET_DIR="$OUT_ROOT/${BASENAME}.iconset"
19TMP_DIR="$OUT_ROOT/tmp"
20mkdir -p "$ICONSET_DIR" "$TMP_DIR"
21
22MASTER_ART="$TMP_DIR/icon_art_824.png"
23MASTER_1024="$TMP_DIR/icon_1024.png"
24
25# Render inner art (no margin) with macOS Default appearance
26"$ICTOOL" "$ICON_FILE" \
27 --export-preview macOS Default 824 824 1 -45 "$MASTER_ART"
28
29# Pad to 1024x1024 with transparent border
30sips --padToHeightWidth 1024 1024 "$MASTER_ART" --out "$MASTER_1024" >/dev/null
31
32# Generate required sizes
33sizes=(16 32 64 128 256 512 1024)
34for sz in "${sizes[@]}"; do
35 out="$ICONSET_DIR/icon_${sz}x${sz}.png"
36 sips -z "$sz" "$sz" "$MASTER_1024" --out "$out" >/dev/null
37 if [[ "$sz" -ne 1024 ]]; then
38 dbl=$((sz*2))
39 out2="$ICONSET_DIR/icon_${sz}x${sz}@2x.png"
40 sips -z "$dbl" "$dbl" "$MASTER_1024" --out "$out2" >/dev/null
41 fi
42done
43
44# 512x512@2x already covered by 1024; ensure it exists
45cp "$MASTER_1024" "$ICONSET_DIR/icon_512x512@2x.png"
46
47iconutil -c icns "$ICONSET_DIR" -o Icon.icns
48
49echo "Icon.icns generated at $(pwd)/Icon.icns"