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Fix generate-icons.sh to support ImageMagick 6 (convert) and 7 (magick)

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This commit is contained in:
Chad Curtis
2026-02-24 01:40:25 -06:00
parent 6ef88e1165
commit 00a7c38efb
1 changed files with 20 additions and 15 deletions
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scripts/generate-icons.sh
+20 -15
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@@ -20,8 +20,13 @@ else
exit 1
fi
# Check if ImageMagick is installed (needed for compositing)
if ! command -v magick &> /dev/null; then
# Check if ImageMagick is installed (needed for compositing).
# ImageMagick 7+ uses `magick`; ImageMagick 6 (Ubuntu/Debian) uses `convert`.
if command -v magick &> /dev/null; then
MAGICK="magick"
elif command -v convert &> /dev/null; then
MAGICK="convert"
else
echo -e "${YELLOW}Warning: ImageMagick not found. Please install it to generate icons.${NC}"
echo "On Fedora/RHEL: sudo dnf install ImageMagick"
echo "On Ubuntu/Debian: sudo apt-get install imagemagick"
@@ -56,7 +61,7 @@ else
fi
# Recolor: replace the purple fill with white, keep alpha
magick "$LOGO_HI_RES" \
$MAGICK "$LOGO_HI_RES" \
-alpha on \
\( +clone -alpha extract \) \
-compose CopyOpacity -composite \
@@ -65,7 +70,7 @@ magick "$LOGO_HI_RES" \
# Composite white logo onto purple background (full bleed for non-adaptive legacy icons)
# Logo scaled to 80% with padding for aesthetic balance
magick -size 512x512 "xc:${BG_COLOR}" \
$MAGICK -size 512x512 "xc:${BG_COLOR}" \
\( "$LOGO_WHITE" -resize 410x410 \) \
-gravity center -compose over -composite \
"$ICON_512"
@@ -76,24 +81,24 @@ mkdir -p android/app/src/main/res/{mipmap-mdpi,mipmap-hdpi,mipmap-xhdpi,mipmap-x
# ── Legacy / non-adaptive launcher icons (full bleed: purple bg + white logo) ──
echo "Generating mdpi icons (48x48)..."
magick "$ICON_512" -resize 48x48 android/app/src/main/res/mipmap-mdpi/ic_launcher.png
magick "$ICON_512" -resize 48x48 android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
$MAGICK "$ICON_512" -resize 48x48 android/app/src/main/res/mipmap-mdpi/ic_launcher.png
$MAGICK "$ICON_512" -resize 48x48 android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
echo "Generating hdpi icons (72x72)..."
magick "$ICON_512" -resize 72x72 android/app/src/main/res/mipmap-hdpi/ic_launcher.png
magick "$ICON_512" -resize 72x72 android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
$MAGICK "$ICON_512" -resize 72x72 android/app/src/main/res/mipmap-hdpi/ic_launcher.png
$MAGICK "$ICON_512" -resize 72x72 android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
echo "Generating xhdpi icons (96x96)..."
magick "$ICON_512" -resize 96x96 android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
magick "$ICON_512" -resize 96x96 android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
$MAGICK "$ICON_512" -resize 96x96 android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
$MAGICK "$ICON_512" -resize 96x96 android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
echo "Generating xxhdpi icons (144x144)..."
magick "$ICON_512" -resize 144x144 android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
magick "$ICON_512" -resize 144x144 android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
$MAGICK "$ICON_512" -resize 144x144 android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
$MAGICK "$ICON_512" -resize 144x144 android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
echo "Generating xxxhdpi icons (192x192)..."
magick "$ICON_512" -resize 192x192 android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
magick "$ICON_512" -resize 192x192 android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
$MAGICK "$ICON_512" -resize 192x192 android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
$MAGICK "$ICON_512" -resize 192x192 android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
# ── Adaptive icon foreground PNGs (transparent bg, white logo with safe-zone padding) ──
# Foreground safe zone = 66% of canvas. Content should be ~66% size, centered on transparent bg.
@@ -104,7 +109,7 @@ make_foreground() {
local size=$1
local content_size=$(echo "$size * 66 / 100" | bc)
local dest=$2
magick -size "${size}x${size}" "xc:none" \
$MAGICK -size "${size}x${size}" "xc:none" \
\( "$LOGO_WHITE" -resize "${content_size}x${content_size}" \) \
-gravity center -compose over -composite \
"$dest"