141 lines
4.1 KiB
Bash
Executable File
141 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Android Icon Generator Script
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# Generates notification icons and monochrome launcher icons from SVG source
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# Usage: ./generate_android_icons.sh
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set -e
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# Configuration
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SVG_SOURCE="assets/plezy.svg"
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ANDROID_RES="android/app/src/main/res"
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TEMP_DIR="/tmp/android_icons_$$"
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# Check if source SVG exists
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if [ ! -f "$SVG_SOURCE" ]; then
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echo "Error: $SVG_SOURCE not found"
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exit 1
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fi
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# Check for required tools
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if ! command -v rsvg-convert &> /dev/null; then
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echo "Error: rsvg-convert not found. Install with: brew install librsvg"
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exit 1
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fi
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if command -v magick &> /dev/null; then
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IMAGEMAGICK=magick
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elif command -v convert &> /dev/null; then
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IMAGEMAGICK=convert
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else
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echo "Error: ImageMagick not found. Install with: brew install imagemagick"
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exit 1
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fi
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if ! command -v bc &> /dev/null; then
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echo "Error: bc not found. Install with: brew install bc"
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exit 1
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fi
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# Create temp directory
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mkdir -p "$TEMP_DIR"
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echo "🎨 Generating Android icons from $SVG_SOURCE..."
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# Function to generate white silhouette icon
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generate_white_icon() {
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local size=$1
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local output=$2
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# Get SVG dimensions to detect if it's non-square
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local svg_viewbox=$(grep -o 'viewBox="[^"]*"' "$SVG_SOURCE" | sed 's/viewBox="//;s/"//')
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local svg_width=$(echo "$svg_viewbox" | awk '{print $3}')
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local svg_height=$(echo "$svg_viewbox" | awk '{print $4}')
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# Convert SVG to PNG, preserving aspect ratio
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if (( $(echo "$svg_width != $svg_height" | bc -l) )); then
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# Non-square SVG: render at size and add padding to center it
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rsvg-convert --keep-aspect-ratio --background-color=transparent "$SVG_SOURCE" -o "$TEMP_DIR/temp_unpadded.png"
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# Center the image in a square canvas with transparent padding
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"$IMAGEMAGICK" "$TEMP_DIR/temp_unpadded.png" \
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-resize "${size}x${size}" \
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-gravity center \
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-background transparent \
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-extent "${size}x${size}" \
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"$TEMP_DIR/temp.png"
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else
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# Square SVG: convert directly
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rsvg-convert -w "$size" -h "$size" --background-color=transparent "$SVG_SOURCE" -o "$TEMP_DIR/temp.png"
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fi
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# Convert to white silhouette: extract alpha, fill with white, apply alpha
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"$IMAGEMAGICK" "$TEMP_DIR/temp.png" \
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-alpha extract \
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"$TEMP_DIR/alpha_mask.png"
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"$IMAGEMAGICK" -size "${size}x${size}" xc:white \
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"$TEMP_DIR/alpha_mask.png" \
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-alpha off \
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-compose copy-opacity \
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-composite \
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-define png:color-type=6 \
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"$output"
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echo " ✓ Generated $(basename $output) (${size}x${size}px)"
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}
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# Generate Notification Icons (24dp base)
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echo ""
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echo "📱 Generating notification icons (ic_stat_notification.png)..."
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# Notification icon densities: 24dp base
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# mdpi=1x, hdpi=1.5x, xhdpi=2x, xxhdpi=3x, xxxhdpi=4x
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declare -A NOTIF_SIZES=(
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["mdpi"]=24
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["hdpi"]=36
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["xhdpi"]=48
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["xxhdpi"]=72
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["xxxhdpi"]=96
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)
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for density in "${!NOTIF_SIZES[@]}"; do
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size=${NOTIF_SIZES[$density]}
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output_dir="$ANDROID_RES/drawable-$density"
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mkdir -p "$output_dir"
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generate_white_icon "$size" "$output_dir/ic_stat_notification.png"
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done
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# Generate Monochrome Launcher Icons (108dp base)
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echo ""
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echo "🚀 Generating monochrome launcher icons (ic_launcher_monochrome.png)..."
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# Monochrome launcher icon densities: 108dp base
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# mdpi=1x, hdpi=1.5x, xhdpi=2x, xxhdpi=3x, xxxhdpi=4x
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declare -A MONO_SIZES=(
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["mdpi"]=108
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["hdpi"]=162
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["xhdpi"]=216
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["xxhdpi"]=324
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["xxxhdpi"]=432
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)
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for density in "${!MONO_SIZES[@]}"; do
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size=${MONO_SIZES[$density]}
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output_dir="$ANDROID_RES/mipmap-$density"
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mkdir -p "$output_dir"
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generate_white_icon "$size" "$output_dir/ic_launcher_monochrome.png"
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done
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# Clean up
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rm -rf "$TEMP_DIR"
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echo ""
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echo "✅ All icons generated successfully!"
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echo ""
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echo "Icon locations:"
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echo " • Notification icons: $ANDROID_RES/drawable-*/ic_stat_notification.png"
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echo " • Monochrome icons: $ANDROID_RES/mipmap-*/ic_launcher_monochrome.png"
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echo ""
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echo "To apply changes, rebuild the app: flutter clean && flutter build apk"
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