gen-icon.sh (gen-con.bat) | run `gen-icon src.jpg[png] black` | run `gen-screen src.jpg[png] black` | imagemagic must be installed (choco install imagemagic - for windows) | cordova 3.6.3-0.2.13, ionic 1.1.9

gen-icon.sh

#!/bin/bash
# Generate PhoneGap icon and splash screens.
# Copyright 2013 Tom Vincent <http://tlvince.com/contact>

usage() { echo "usage: $0 icon colour [dest_dir]"; exit 1; }

[ "$1" ] && [ "$2" ] || usage
[ "$3" ] || set "$1" "$2" "."

devices=android,bada,bada-wac,blackberry,ios,webos,windows-phone
eval mkdir -p "$3/{icon,screen}"

# Show the user some progress by outputing all commands being run.
set -x

# Explicitly set background in case image is transparent (see: #3)
convert="convert -background none"
$convert "$1" -resize 36x36 "$3/icon/36.png"
$convert "$1" -resize 48x48 "$3/icon/48.png"
$convert "$1" -resize 62x62 "$3/icon/62.png"
$convert "$1" -resize 72x72 "$3/icon/72.png"
$convert "$1" -resize 96x96 "$3/icon/96.png"
$convert "$1" -resize 173x173 "$3/icon/173.png"

gen-screen.sh

#!/bin/bash
# Generate PhoneGap icon and splash screens.
# Copyright 2013 Tom Vincent <http://tlvince.com/contact>

usage() { echo "usage: $0 icon colour [dest_dir]"; exit 1; }

[ "$1" ] && [ "$2" ] || usage
[ "$3" ] || set "$1" "$2" "."

devices=android,bada,bada-wac,blackberry,ios,webos,windows-phone
eval mkdir -p "$3/{icon,screen}"

# Show the user some progress by outputing all commands being run.
set -x

# Explicitly set background in case image is transparent (see: #3)
convert="convert $1 -background $2 -gravity center"

$convert -resize 200x320 "$3/screen/200x320.png"
$convert -resize 225x225 "$3/screen/225x225.png"
$convert -resize 240x400 "$3/screen/240x400.png"
$convert -resize 320x200 "$3/screen/320x200.png"
$convert -resize 320x480 "$3/screen/320x480.png"
$convert -resize 480x320 "$3/screen/480x320.png"
$convert -resize 480x800 "$3/screen/480x800.png"
$convert -resize 480x800 "$3/screen/480x800.jpg"
$convert -resize 640x960 "$3/screen/649x960.png"
$convert -resize 720x1280 "$3/screen/720x1280.png"
$convert -resize 768x1004 "$3/screen/768x1004.png"
$convert -resize 800x480 "$3/screen/800x480.png"
$convert -resize 960x640 "$3/screen/960x640.png"
$convert -resize 1280x720 "$3/screen/1280x720.png"
$convert -resize 1024x783 "$3/screen/1024x783.png"
$convert -resize 1536x2008 "$3/screen/1536x2008.png"
$convert -resize 2008x1536 "$3/screen/2008x1536.png"

icons_and_splah.js

#!/usr/bin/env node

//
// This hook copies various resource files 
// from our version control system directories 
// into the appropriate platform specific location
//


// configure all the files to copy.  
// Key of object is the source file, 
// value is the destination location.  
// It's fine to put all platforms' icons 
// and splash screen files here, even if 
// we don't build for all platforms 
// on each developer's box.


var filestocopy = [
    //wp 8
    {
        "res/screen/480x800.jpg":
            "platforms/wp8/SplashScreenImage.jpg"
    },
    {
        "res/icon/173.png":
            "platforms/wp8/Background.png"
    },
    {
        "res/icon/62.png":
            "platforms/wp8/ApplicationIcon.png"
    },
    //android
    {
        "res/icon/96.png":
            "platforms/android/res/drawable/icon.png"
    },
    {
        "res/icon/72.png":
            "platforms/android/res/drawable-hdpi/icon.png"
    },
    {
        "res/screen/800x480.png":
            "platforms/android/res/drawable-land-hdpi/screen.png"
    },

    {
        "res/screen/320x200.png":
            "platforms/android/res/drawable-land-ldpi/screen.png"
    },
    {
        "res/screen/480x320.png":
            "platforms/android/res/drawable-land-mdpi/screen.png"
    },
    {
        "res/screen/1280x720.png":
            "platforms/android/res/drawable-land-xhdpi/screen.png"
    },

    {
        "res/icon/36.png":
            "platforms/android/res/drawable-ldpi/icon.png"
    },
    {
        "res/icon/48.png":
            "platforms/android/res/drawable-mdpi/icon.png"
    },
    {
        "res/screen/480x800.png":
            "platforms/android/res/drawable-port-hdpi/screen.png"
    },

    {
        "res/screen/200x320.png":
            "platforms/android/res/drawable-port-ldpi/screen.png"
    },
    {
        "res/screen/320x480.png":
            "platforms/android/res/drawable-port-mdpi/screen.png"
    },
    {
        "res/screen/720x1280.png":
            "platforms/android/res/drawable-port-xhdpi/screen.png"
    },
    {
        "res/icon/96.png":
            "platforms/android/res/drawable-xhdpi/icon.png"
    }

];

var fs = require('fs');
var path = require('path');

// no need to configure below
var rootdir = process.argv[2];

filestocopy.forEach(function(obj) {
    Object.keys(obj).forEach(function(key) {
        var val = obj[key];
        var srcfile = path.join(rootdir, key);
        var destfile = path.join(rootdir, val);
        //console.log("copying "+srcfile+" to "+destfile);
        var destdir = path.dirname(destfile);
        if (fs.existsSync(srcfile) && fs.existsSync(destdir)) {
            fs.createReadStream(srcfile).pipe(
                fs.createWriteStream(destfile));
        }
    });
});