with the lights out, it's less dangerous

README.md

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+# cordova-resource-generators
+<!--Cordova generators for app icons and splash screens (can be used as hooks, or not)-->
+Quickly generate mobile app icons and splash screens for Cordova builds and have them automatically copied to the appropriate `/platforms/*` directories.
+
+* You must have [ImageMagick](http://www.imagemagick.org/) installed
+* Doesn't use or provide hooks, because I personally don't need to generate on every build (make hooks if you need them)
+* Creates a `/resources/` directory as a sibling to `/www/` rather than beneath it
+* Also copies icons and splash screens from `/resources/` to the appropriate `/platforms/*` directories (or will create the directory, if the commands are not run from the root of your app)
+* Currently only generates iOS and Android resources
+* Currently only tested on OS X
+* Made for Cordova 3.4 and newer
+* Use aliases, if that's your thang
+
+## Version
+0.1.0
+
+## Installation on OS X
+```sh
+$ curl https://raw.githubusercontent.com/busterc/cordova-resource-generators/master/install.sh | sh
+```
+_By all means, examine the [install.sh](install.sh) file before installing._
+
+## Usage
+### Generate Icons
+```sh
+$ cd path/to/your/app
+$ cordova-generate-icons path/to/your/img.png
+```
+
+### Generate Splash Screens
+```sh
+$ cd path/to/your/app
+$ cordova-generate-splash-screens path/to/your/img.png
+```
+<!--
+## Easter Egg Aliases
+_you know, for your .bash_profile or .bashrc or .profile_
+```sh
+alias cgicons="cordova-generate-icons"
+alias cgscreens="cordova-generate-splash-screens"
+```
+-->
+
+## Dependencies
+* [ImageMagick](http://www.imagemagick.org/) - Convert, Edit, And Compose Images
+
+## License
+The MIT License (MIT)
+
+Copyright (c) 2014 Buster Collings
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

cordova-generate-icons

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+#!/bin/bash
+# Generate Cordova icons
+
+function usage() {
+	echo "usage: $0 <image-filename> [output-directory]";
+	exit 1;
+}
+
+[ "$1" ] || usage
+[ "$2" ] || set "$1" "."
+
+image=$1
+output=$2/resources/icon
+
+devices=ios,android #,windows-phone,bada,bada-wac,blackberry,webos
+eval mkdir -p "$output/{$devices}"
+
+# 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 $image -background none"
+
+function androidConvertIcon() {
+	drawables=drawable,drawable-ldpi,drawable-mdpi,drawable-hdpi,drawable-xhdpi
+	eval mkdir -p "$output/android/{$drawables}"
+
+	$convert -resize 36x36 "$output/android/drawable-ldpi/icon.png"
+	$convert -resize 48x48 "$output/android/drawable-mdpi/icon.png"
+	$convert -resize 72x72 "$output/android/drawable-hdpi/icon.png"
+	$convert -resize 96x96 "$output/android/drawable-xhdpi/icon.png"
+	$convert -resize 96x96 "$output/android/drawable/icon.png"
+
+	function androidCopyIcon() {
+		androidOutput=$(find . -type d | grep "platforms/android/res$")
+		find . -type d | grep "resources/icon/android/drawable" | xargs -I{} cp -R {} $androidOutput
+	}
+	androidCopyIcon
+}
+androidConvertIcon
+
+function iosConvertIcon() {
+	$convert -resize 29x29 "$output/ios/Icon-Small.png"
+	$convert -resize 40x40 "$output/ios/Icon-Small-40.png"
+	$convert -resize 50x50 "$output/ios/Icon-Small-50.png"
+	$convert -resize 57x57 "$output/ios/Icon.png"
+	$convert -resize 58x58 "$output/ios/Icon-Small@2x.png"
+	$convert -resize 72x72 "$output/ios/Icon-72.png"
+	$convert -resize 76x76 "$output/ios/Icon-76.png"
+	$convert -resize 80x80 "$output/ios/Icon-Small-40@2x.png"
+	$convert -resize 100x100 "$output/ios/Icon-Small-50@2x.png"
+	$convert -resize 114x114 "$output/ios/Icon@2x.png"
+	$convert -resize 120x120 "$output/ios/Icon-60@2x.png"
+	$convert -resize 144x144 "$output/ios/Icon-72@2x.png"
+	$convert -resize 152x152 "$output/ios/Icon-76@2x.png"
+	$convert -resize 512x512 "$output/ios/iTunesArtwork.png"
+	$convert -resize 1024x1024 "$output/ios/iTunesArtwork@2x.png"
+
+	function iosCopyIcon() {
+		cp $(find . | grep "resources/icon/ios/.*\.png") $(find . -type d | grep "platforms/ios/.*Resources/icons")
+	}
+	iosCopyIcon
+}
+iosConvertIcon

cordova-generate-splash-screens

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+#!/bin/bash
+# Generate Cordova splash screens
+
+function usage() {
+	echo "usage: $0 <image-filename> <background-color> [output-directory]";
+	exit 1;
+}
+
+[ "$1" ] && [ "$2" ] || usage
+[ "$3" ] || set "$1" "$2" "."
+
+image=$1
+bgcolor=$2
+output=$3/resources/splash
+
+devices=ios,android #,windows-phone,bada,bada-wac,blackberry,webos
+eval mkdir -p "$output/{$devices}"
+
+# Show the user some progress by outputing all commands being run.
+set -x
+
+convert="convert $1 -background $bgcolor -gravity center"
+
+function androidConvertSplash() {
+	drawables=drawable-land-ldpi,drawable-land-mdpi,drawable-land-hdpi,drawable-land-xhdpi,drawable-port-ldpi,drawable-port-mdpi,drawable-port-hdpi,drawable-port-xhdpi
+	eval mkdir -p "$output/android/{$drawables}"
+
+ 	$convert -resize 512x512 -extent 720x1280 "$output/android/drawable-port-xhdpi/screen.png"
+ 	$convert -resize 256x256 -extent 480x800 "$output/android/drawable-port-hdpi/screen.png"
+ 	$convert -resize 256x256 -extent 320x480 "$output/android/drawable-port-mdpi/screen.png"
+ 	$convert -resize 128x128 -extent 200x320 "$output/android/drawable-port-ldpi/screen.png"
+
+ 	$convert -resize 512x512 -extent 1280x720 "$output/android/drawable-land-xhdpi/screen.png"
+ 	$convert -resize 256x256 -extent 800x480 "$output/android/drawable-land-hdpi/screen.png"
+ 	$convert -resize 256x256 -extent 480x320 "$output/android/drawable-land-mdpi/screen.png"
+ 	$convert -resize 128x128 -extent 320x200 "$output/android/drawable-land-ldpi/screen.png"
+
+	function androidCopySplash() {
+		androidOutput=$(find . -type d | grep "platforms/android/res$")
+		find . -type d | grep "resources/splash/android/drawable" | xargs -I{} cp -R {} $androidOutput
+	}
+	androidCopySplash
+}
+androidConvertSplash
+
+function iosConvertSplash() {
+	$convert -resize 512x512 -extent 640x1136 "$output/ios/Default-568h@2x~iphone.png"
+	$convert -resize 1024x1024 -extent 2048x1496 "$output/ios/Default-Landscape@2x~ipad.png"
+	$convert -resize 512x512 -extent 1024x748 "$output/ios/Default-Landscape~ipad.png"
+	$convert -resize 1024x1024 -extent 1536x2008 "$output/ios/Default-Portrait@2x~ipad.png"
+	$convert -resize 512x512 -extent 768x1004 "$output/ios/Default-Portrait~ipad.png"
+	$convert -resize 256x256 -extent 320x480 "$output/ios/Default~iphone.png"
+	$convert -resize 256x256 -extent 640x960 "$output/ios/Default@2x~iphone.png"
+
+	function iosCopySplash() {
+		cp $(find . | grep "resources/splash/ios/.*\.png") $(find . -type d | grep "platforms/ios/.*/Resources/splash")
+	}
+	iosCopySplash
+}
+iosConvertSplash

install.sh

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+#!/bin/sh
+
+# This is the cordova-resource-generators install script!
+# Are you looking at this in your web browser, and would like to install?
+# Just open up your terminal and type:
+#
+#  curl https://raw.githubusercontent.com/busterc/cordova-resource-generators/master/install.sh | sh
+#
+# Currently supports Mac OS X
+
+set -e
+set -u
+
+# Display everything on stderr.
+exec 1>&2
+
+UNAME=$(uname)
+if [ "$UNAME" != "Darwin" ] ; then
+	echo "Sorry, this OS is not supported yet."
+	exit 1
+fi
+
+INSTALL_URL="https://github.com/busterc/cordova-resource-generators/"
+PREFIX="/usr/local"
+INSTALL_BIN="$PREFIX/bin"
+
+# New macs (10.9+) don't ship with /usr/local, however it is still in
+# the default PATH. We still install there, we just need to create the
+# directory first.
+if [ ! -d "$INSTALL_BIN" ] ; then
+	sudo mkdir -m 755 "$PREFIX" || true
+	sudo mkdir -m 755 "$INSTALL_BIN" || true
+fi
+
+GEN_ICONS="/cordova-generate-icons"
+GEN_SPLASHES="/cordova-generate-splash-screens"
+
+curl -# -o $INSTALL_BIN$GEN_ICONS $INSTALL_URL$GEN_ICONS
+sudo chmod +x $INSTALL_BIN$GEN_ICONS
+
+curl -# -o $INSTALL_BIN$GEN_SPLASHES $INSTALL_URL$GEN_SPLASHES
+sudo chmod +x $INSTALL_BIN$GEN_SPLASHES
+
+cat <<"EOF"
+
+# Installation Complete
+
+To generate icons:
+
+  $ cd path/to/your/app
+  $ cordova-generate-icons path/to/icon.png
+
+To generate splash screens:
+
+  $ cd path/to/your/app
+  $ cordova-generate-splash-screens path/to/icon.png
+
+EOF
+