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Copy pathbuild_icon.sh
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executable file
·49 lines (39 loc) · 1.48 KB
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#!/usr/bin/env bash
set -euo pipefail
ICON_FILE=${1:-Icon.icon}
BASENAME=${2:-Icon}
OUT_ROOT=${3:-build/icon}
XCODE_APP=${XCODE_APP:-/Applications/Xcode.app}
ICTOOL="$XCODE_APP/Contents/Applications/Icon Composer.app/Contents/Executables/ictool"
if [[ ! -x "$ICTOOL" ]]; then
ICTOOL="$XCODE_APP/Contents/Applications/Icon Composer.app/Contents/Executables/icontool"
fi
if [[ ! -x "$ICTOOL" ]]; then
echo "ictool/icontool not found. Set XCODE_APP if Xcode is elsewhere." >&2
exit 1
fi
ICONSET_DIR="$OUT_ROOT/${BASENAME}.iconset"
TMP_DIR="$OUT_ROOT/tmp"
mkdir -p "$ICONSET_DIR" "$TMP_DIR"
MASTER_ART="$TMP_DIR/icon_art_824.png"
MASTER_1024="$TMP_DIR/icon_1024.png"
# Render inner art (no margin) with macOS Default appearance
"$ICTOOL" "$ICON_FILE" \
--export-preview macOS Default 824 824 1 -45 "$MASTER_ART"
# Pad to 1024x1024 with transparent border
sips --padToHeightWidth 1024 1024 "$MASTER_ART" --out "$MASTER_1024" >/dev/null
# Generate required sizes
sizes=(16 32 64 128 256 512 1024)
for sz in "${sizes[@]}"; do
out="$ICONSET_DIR/icon_${sz}x${sz}.png"
sips -z "$sz" "$sz" "$MASTER_1024" --out "$out" >/dev/null
if [[ "$sz" -ne 1024 ]]; then
dbl=$((sz*2))
out2="$ICONSET_DIR/icon_${sz}x${sz}@2x.png"
sips -z "$dbl" "$dbl" "$MASTER_1024" --out "$out2" >/dev/null
fi
done
# 512x512@2x already covered by 1024; ensure it exists
cp "$MASTER_1024" "$ICONSET_DIR/icon_512x512@2x.png"
iconutil -c icns "$ICONSET_DIR" -o Icon.icns
echo "Icon.icns generated at $(pwd)/Icon.icns"