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Felarof 48a0efeb81 feat: fix macOS icon size to match Apple HIG padding (#396) 
The app icon was oversized in the macOS Dock because the source icon
filled the entire 1024x1024 canvas with no padding. Apple's macOS Big
Sur+ HIG requires ~100px padding on each side (artwork at 824x824
within 1024x1024 canvas). Resized the source icon and regenerated all
platform icons.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-05 16:30:59 -08:00
..
source
feat: fix macOS icon size to match Apple HIG padding (#396)
2026-03-05 16:30:59 -08:00
static
feat: windows icon fix, new icon generation (#259)
2025-12-18 16:28:43 -08:00
generate_icons.py
feat: windows icon fix, new icon generation (#259)
2025-12-18 16:28:43 -08:00
generate_icons.txt
feat: windows icon fix, new icon generation (#259)
2025-12-18 16:28:43 -08:00
README.md
feat: windows icon fix, new icon generation (#259)
2025-12-18 16:28:43 -08:00

README.md

BrowserOS Icon Generation

This directory contains the unified icon generation system for BrowserOS. All browser icons for Windows, macOS, Linux, and ChromeOS are generated from a single source image.

Quick Start

# 1. Place your 1024x1024 (or larger) source icon
cp your_icon.png source/app_icon.png

# 2. Place any static files (SVG, AI) in static/
cp your_logo.svg static/product_logo.svg

# 3. Run generation
python generate_icons.py

# 4. Icons are output to packages/browseros/resources/icons/

Directory Structure

icon_generation/
├── source/                    # Source images (high-res PNGs)
│   └── app_icon.png          # Main app icon (≥1024x1024, required)
├── static/                    # Static files (copied as-is)
│   ├── product_logo.svg      # Vector logo
│   ├── product_logo.ai       # Adobe Illustrator source
│   └── product_logo_animation.svg
├── generate_icons.py         # Main generation script
├── generate_icons.txt        # Generation configuration
└── README.md                 # This file

Requirements

  • Python 3.12+
  • Pillow - pip install Pillow (or via pyproject.toml)
  • ImageMagick - brew install imagemagick (for XPM generation)
  • macOS - Required for .icns and Assets.car generation (uses iconutil, actool)

Configuration Format

The generate_icons.txt file defines all icon generation operations:

# Operations:
PNG    source size dest     # Generate PNG at specified size
MONO   source size dest     # Generate monochrome (white silhouette) PNG
ICO    source sizes dest    # Generate Windows ICO (sizes comma-separated)
XPM    source size dest     # Generate Linux XPM via ImageMagick
ICNS   source dest          # Generate macOS .icns via iconutil
XCASSETS source dest_dir    # Generate Assets.xcassets structure
ASSETS_CAR dest_dir         # Generate Assets.car from xcassets
COPY   source dest          # Copy static file as-is

Generated Icons Reference

Source Files

File Type Description
source/app_icon.png PNG Master source icon (≥1024x1024)
static/product_logo.svg SVG Vector logo (manually maintained)
static/product_logo.ai AI Adobe Illustrator source (manually maintained)
static/product_logo_animation.svg SVG Animated logo (manually maintained)

Common Icons (Generated)

Output Size Description Chromium Target
product_logo_16.png 16x16 Small icon chrome/app/theme/chromium/
product_logo_22.png 22x22 Toolbar icon chrome/app/theme/chromium/
product_logo_24.png 24x24 Menu icon chrome/app/theme/chromium/
product_logo_32.png 32x32 Standard icon chrome/app/theme/chromium/
product_logo_48.png 48x48 Medium icon chrome/app/theme/chromium/
product_logo_64.png 64x64 Large icon chrome/app/theme/chromium/
product_logo_128.png 128x128 Very large icon chrome/app/theme/chromium/
product_logo_192.png 192x192 Android/PWA icon chrome/app/theme/chromium/
product_logo_256.png 256x256 Extra large icon chrome/app/theme/chromium/
product_logo_1024.png 1024x1024 Maximum size chrome/app/theme/chromium/
product_logo_22_mono.png 22x22 Monochrome (white) chrome/app/theme/chromium/
product_logo_name_22.png 22x22 With name (1x) chrome/app/theme/default_100_percent/chromium/
product_logo_name_22_2x.png 44x44 With name (2x) chrome/app/theme/default_200_percent/chromium/
product_logo_name_22_white.png 22x22 With name, white (1x) chrome/app/theme/default_100_percent/chromium/
product_logo_name_22_white_2x.png 44x44 With name, white (2x) chrome/app/theme/default_200_percent/chromium/

Windows Icons (Generated)

Output Sizes Description Chromium Target
win/chromium.ico 16,20,24,32,40,48,64,128,256 Main app icon chrome/app/theme/chromium/win/
win/incognito.ico 16,20,24,32,40,48,64,128,256 Incognito mode chrome/app/theme/chromium/win/
win/app_list.ico 16,20,24,32,40,48,64,128,256 App launcher chrome/app/theme/chromium/win/
win/chromium_doc.ico 16,32,48,256 HTML documents chrome/app/theme/chromium/win/
win/chromium_pdf.ico 16,32,48,256 PDF documents chrome/app/theme/chromium/win/
win/tiles/Logo.png 150x150 Windows tile chrome/app/theme/chromium/win/tiles/
win/tiles/SmallLogo.png 70x70 Small tile chrome/app/theme/chromium/win/tiles/

Windows ICO sizes explained:

  • 16x16: Title bar, small list view
  • 20x20: Notification area
  • 24x24: Small taskbar (100% DPI)
  • 32x32: Desktop, list view
  • 40x40: Taskbar (125% DPI) - critical for most modern displays
  • 48x48: Taskbar (100% DPI), medium icons
  • 64x64: Large icons, jump list
  • 128x128: Extra large (200% DPI)
  • 256x256: Jumbo icons (PNG compressed)

macOS Icons (Generated)

Output Description Chromium Target
mac/app.icns Main app icon bundle chrome/app/theme/chromium/mac/
mac/document.icns Document icon bundle chrome/app/theme/chromium/mac/
mac/Assets.car Compiled asset catalog chrome/app/theme/chromium/mac/
mac/Assets.xcassets/ Asset catalog source chrome/app/theme/chromium/mac/

Linux Icons (Generated)

Output Size Description Chromium Target
linux/product_logo_24.png 24x24 Menu icon chrome/app/theme/chromium/linux/
linux/product_logo_48.png 48x48 Medium icon chrome/app/theme/chromium/linux/
linux/product_logo_64.png 64x64 Large icon chrome/app/theme/chromium/linux/
linux/product_logo_128.png 128x128 Very large chrome/app/theme/chromium/linux/
linux/product_logo_256.png 256x256 Extra large chrome/app/theme/chromium/linux/
linux/product_logo_32.xpm 32x32 X11 format chrome/app/theme/chromium/linux/

ChromeOS Icons (Generated)

Output Size Description Chromium Target
chromeos/chrome_app_icon_32.png 32x32 Small app icon chrome/app/theme/chromium/chromeos/
chromeos/chrome_app_icon_192.png 192x192 Large app icon chrome/app/theme/chromium/chromeos/

Static Files (Copied)

File Description Chromium Target
product_logo.svg Vector logo chrome/app/theme/chromium/
product_logo.ai Illustrator source chrome/app/theme/chromium/
product_logo_animation.svg Animated logo chrome/app/theme/chromium/

Workflow

  1. Update source icon: Replace source/app_icon.png with your new icon (≥1024x1024)
  2. Run generation: python generate_icons.py
  3. Build BrowserOS: The copy_resources.yaml copies generated icons to chromium source tree

Troubleshooting

"Source image is too small"

Your source/app_icon.png must be at least 1024x1024 pixels.

"ImageMagick not found"

Install with: brew install imagemagick

"iconutil not found" / "actool not found"

These are macOS-only tools. Run this script on macOS with Xcode Command Line Tools installed.

Icons look blurry on Windows taskbar

Ensure the ICO includes 40x40 size (for 125% DPI scaling, very common on modern displays).