Chad Curtis
100 lines
3.3 KiB
Bash
100 lines
3.3 KiB
Bash
#!/bin/bash
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set -e
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# Colors for output
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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echo -e "${GREEN}Generating Android app icons...${NC}\n"
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# Check for inkscape (preferred) or rsvg-convert as fallback
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if command -v inkscape &> /dev/null; then
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SVG_RENDERER="inkscape"
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elif command -v rsvg-convert &> /dev/null; then
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SVG_RENDERER="rsvg"
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else
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echo -e "${YELLOW}Warning: neither inkscape nor rsvg-convert found. Install one to render SVG icons.${NC}"
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echo "On Fedora/RHEL: sudo dnf install inkscape"
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echo "On Ubuntu/Debian: sudo apt-get install inkscape"
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exit 1
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fi
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# Check if ImageMagick is installed (needed for compositing).
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# ImageMagick 7+ uses `magick`; ImageMagick 6 (Ubuntu/Debian) uses `convert`.
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if command -v magick &> /dev/null; then
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MAGICK="magick"
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elif command -v convert &> /dev/null; then
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MAGICK="convert"
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else
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echo -e "${YELLOW}Warning: ImageMagick not found. Please install it to generate icons.${NC}"
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echo "On Fedora/RHEL: sudo dnf install ImageMagick"
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echo "On Ubuntu/Debian: sudo apt-get install imagemagick"
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exit 1
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fi
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# Source SVG logo
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SOURCE_SVG="public/logo.svg"
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if [ ! -f "$SOURCE_SVG" ]; then
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echo -e "${YELLOW}Error: Source logo not found at $SOURCE_SVG${NC}"
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exit 1
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fi
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# Brand colors
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BG_COLOR="#7c52e0" # Ditto purple
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TMPDIR=$(mktemp -d)
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LOGO_WHITE_SVG="$TMPDIR/logo_white.svg"
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LOGO_WHITE="$TMPDIR/logo_white.png"
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# Recolor the SVG fill to white before rasterizing.
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sed 's/#7c52e0/#ffffff/g' "$SOURCE_SVG" > "$LOGO_WHITE_SVG"
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echo "Rendering white SVG at 512x512..."
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if [ "$SVG_RENDERER" = "inkscape" ]; then
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inkscape --export-type=png --export-filename="$LOGO_WHITE" -w 512 -h 512 "$LOGO_WHITE_SVG" 2>/dev/null
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else
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rsvg-convert -w 512 -h 512 "$LOGO_WHITE_SVG" -o "$LOGO_WHITE"
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fi
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# ── Adaptive icon foreground PNGs (transparent bg, white logo, safe-zone padding) ──
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# Launcher PNGs (ic_launcher, ic_launcher_round) are committed directly to the repo.
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# Only the adaptive foreground PNGs need to be generated here.
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# Safe zone = 66% of canvas. Content centered on transparent background.
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echo "Generating adaptive foreground PNGs..."
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make_foreground() {
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local size=$1
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local content_size=$(echo "$size * 66 / 100" | bc)
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local dest=$2
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$MAGICK -size "${size}x${size}" "xc:none" \
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\( "$LOGO_WHITE" -resize "${content_size}x${content_size}" \) \
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-gravity center -compose over -composite \
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"$dest"
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}
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make_foreground 48 android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
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make_foreground 72 android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
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make_foreground 96 android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
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make_foreground 144 android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
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make_foreground 192 android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
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# Update background color
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BACKGROUND_COLOR_FILE="android/app/src/main/res/values/ic_launcher_background.xml"
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mkdir -p android/app/src/main/res/values
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cat > "$BACKGROUND_COLOR_FILE" << 'EOF'
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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<color name="ic_launcher_background">#7c52e0</color>
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</resources>
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EOF
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# Cleanup temp files
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rm -rf "$TMPDIR"
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echo -e "\n${GREEN}Android icons generated successfully!${NC}"
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echo -e "Icon: white Ditto logo on ${GREEN}${BG_COLOR}${NC} (Ditto purple)"
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