Merge pull request #108 from Fidius-jko/linux_icns

Linux script for create icns

README.md

@@ -34,7 +34,7 @@ Template for a Game using the awesome [Bevy engine][bevy] featuring out of the b
 You should keep the `credits` directory up to date. The release workflow automatically includes the directory in every build.
 
 ### Updating the icons
- 1. Replace `build/macos/icon_1024x1024.png` with a `1024` times `1024` pixel png icon and run `create_icns.sh` (make sure to run the script inside the `build/macos` directory) - _Note: this requires a mac_
+ 1. Replace `build/macos/icon_1024x1024.png` with a `1024` times `1024` pixel png icon and run `create_icns.sh` or `create_icns_linux.sh` if you use linux (make sure to run the script inside the `build/macos` directory) - _Note: `create_icns.sh` requires a mac, and `create_icns_linux.sh` requires imagemagick and png2icns_
  2. Replace `build/windows/icon.ico` (used for windows executable and as favicon for the web-builds)
     * You can create an `.ico` file for windows by following these steps:
        1. Open `macos/AppIcon.iconset/icon_256x256.png` in [Gimp](https://www.gimp.org/downloads/)

build/macos/create_icns_linux.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh 
+
+rm -rf AppIcon.iconset/*
+mkdir -p AppIcon.iconset
+convert ../icon_1024x1024.png -resize 16x16    AppIcon.iconset/icon_16x16.png
+convert ../icon_1024x1024.png -resize 32x32    AppIcon.iconset/icon_16x16@2x.png
+convert ../icon_1024x1024.png -resize 32x32    AppIcon.iconset/icon_32x32.png
+convert ../icon_1024x1024.png -resize 64x64    AppIcon.iconset/icon_32x32@2x.png
+convert ../icon_1024x1024.png -resize 128x128  AppIcon.iconset/icon_128x128.png
+convert ../icon_1024x1024.png -resize 256x256  AppIcon.iconset/icon_128x128@2x.png
+convert ../icon_1024x1024.png -resize 256x256  AppIcon.iconset/icon_256x256.png
+convert ../icon_1024x1024.png -resize 512x512  AppIcon.iconset/icon_256x256@2x.png
+convert ../icon_1024x1024.png -resize 512x512  AppIcon.iconset/icon_512x512.png
+cp ../icon_1024x1024.png AppIcon.iconset/icon_512x512@2x.png
+png2icns ./AppIcon.icns AppIcon.iconset/icon_16x16.png AppIcon.iconset/icon_32x32.png AppIcon.iconset/icon_128x128.png AppIcon.iconset/icon_256x256.png AppIcon.iconset/icon_512x512.png
+mkdir -p src/Game.app/Contents/Resources
+mv AppIcon.icns src/Game.app/Contents/Resources/