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icongen.sh
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icongen.sh
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#!/usr/bin/env bash
#---------------------------
# This script assumes that ImageMagick is installed with Ghostscript
# and the convert command is accessible via the $PATH variable
#
# If not, these should be easily installed with:
# brew install imagemagick
# brew install ghostscript
#---------------------------
#---------------------------
#***************************
# App Specific Configuration
#***************************
#---------------------------
buildNumberTextColor="black"
environmentTextColor="white"
splashSizePercentageAsDecimal=0.7
#---------------------------
#***************************
# End App Specific Configuration
#***************************
#---------------------------
#---------------------------
# Get Arguments
#---------------------------
EXPECTED_ARGS=2
if [ $# -lt $EXPECTED_ARGS ]
then
echo "Usage: ./icongen.sh [app name] [platform] [environment (optional)] [buildString (optional)]"
echo "ex: ./icongen.sh app ios production \"1.2.4\""
exit 1
fi
appName="app"
platform="web"
env=""
buildString=""
if [ "$1" ]
then
appName=$1
fi
if [ "$2" ]
then
platform=$2
fi
if [ "$3" ]
then
env=$3
fi
if [ "$4" ]
then
buildString=$4
fi
#format
if [ "$env" == "prod" -o "$env" == "production" ]
then
env="PROD"
fi
if [ "$env" == "stage" -o "$env" == "staging" ]
then
env="STAGE"
fi
if [ "$env" == "local" ]
then
env="LOCAL"
fi
#---------------------------
# Set Variables
#---------------------------
path="_icon_source.png"
splashPath="_splash_source.png"
banner="_banner_source.png"
tmp="tmp.png"
rootWebPath="src/www"
webPath="${rootWebPath}/assets/img"
iosPath="cordova/platforms/ios/${appName}/Resources/icons"
iosSplashPath="cordova/platforms/ios/${appName}/Resources/splash"
androidPath="cordova/platforms/android/res"
iconFillColor=$(convert $path -format "%[pixel: u.p{0,0}]" info:)
splashFillColor=$(convert $splashPath -format "%[pixel: u.p{0,0}]" info:)
set -x
set -e
#---------------------------
# Build Platform Specific
#---------------------------
font1="Helvetica"
font2="Helvetica-Bold"
buildOS="unknown"
unamestr=`uname`
if [[ "$unamestr" == "Linux" ]]
then
buildOS="linux"
font1="DejaVu-Sans"
font2="DejaVu-Sans-Bold"
elif [[ "$unamestr" == "Darwin" ]]
then
buildOS="osx"
fi
#---------------------------
# Create labeled icon
#---------------------------
if [ "$buildString" != "" ]
then
composite ${banner} ${path} ${tmp}
convert ${tmp} \
-fill ${buildNumberTextColor} \
-font ${font1} \
-gravity north \
-pointsize 100 \
-annotate +0+50 ${buildString} \
${tmp}
convert ${tmp} \
-gravity center \
-rotate 45 \
${tmp}
convert ${tmp} \
-fill ${environmentTextColor} \
-font ${font2} \
-pointsize 130 \
-gravity south \
-annotate -220+10 ${env} \
${tmp}
convert ${tmp} \
-gravity center \
-rotate -45 \
${tmp}
convert ${tmp} -crop 1024x1024+0+0 +repage ${tmp}
path=${tmp}
fi
# This function takes in the dimension of the icon
# (it assumes the icon is a square) and the name of the file to save the icon to.
function createIconImage()
{
iconDimension=$1
fileName=$2
convert ${path} \
-resize ${iconDimension}x${iconDimension}^ \
-gravity center \
-extent ${iconDimension}x${iconDimension} \
-unsharp 0x1 \
${fileName}
}
# This function takes in the dimension of the splash screen
# and scales the source image to fit well in the layout
function createSplashImage()
{
width=$1
height=$2
fileName=$3
innerDimension=$(echo "$splashSizePercentageAsDecimal*$width" | bc)
if [ "$width" -gt "$height" ]
then
innerDimension=$(echo "$splashSizePercentageAsDecimal*$height" | bc)
fi
convert ${splashPath} \
-background ${splashFillColor} \
-resize ${innerDimension}x${innerDimension}^ \
-gravity center \
-extent ${width}x${height} \
-unsharp 0x1 \
${fileName}
}
#---------------------------
# Do web specific things
#---------------------------
if [ "$platform" == "web" ]
then
createIconImage 57 ${webPath}/apple-icon-57x57.png
createIconImage 60 ${webPath}/apple-icon-60x60.png
createIconImage 72 ${webPath}/apple-icon-72x72.png
createIconImage 76 ${webPath}/apple-icon-76x76.png
createIconImage 114 ${webPath}/apple-icon-114x114.png
createIconImage 120 ${webPath}/apple-icon-120x120.png
createIconImage 144 ${webPath}/apple-icon-144x144.png
createIconImage 152 ${webPath}/apple-icon-152x152.png
createIconImage 180 ${webPath}/apple-icon-180x180.png
createIconImage 192 ${webPath}/android-icon-192x192.png
createIconImage 32 ${webPath}/favicon-32x32.png
createIconImage 96 ${webPath}/favicon-96x96.png
createIconImage 16 ${webPath}/favicon-16x16.png
createIconImage 36 ${webPath}/android-icon-36x36.png
createIconImage 48 ${webPath}/android-icon-48x48.png
createIconImage 72 ${webPath}/android-icon-72x72.png
createIconImage 96 ${webPath}/android-icon-96x96.png
createIconImage 144 ${webPath}/android-icon-144x144.png
createIconImage 192 ${webPath}/android-icon-192x192.png
createIconImage 558 ${webPath}/tile.png
# Create Tile Wide
convert "$path" \
-background ${iconFillColor} \
-resize 270x270^ \
-gravity center \
-extent 558x270 \
${webPath}/tile-wide.png
# Create favicon.ico
convert "$path" -bordercolor white -border 0 \
\( -clone 0 -resize 16x16 \) \
\( -clone 0 -resize 32x32 \) \
\( -clone 0 -resize 48x48 \) \
\( -clone 0 -resize 64x64 \) \
-delete 0 -alpha off -colors 256 ${rootWebPath}/favicon.ico
createSplashImage 320 460 ${webPath}/splash-320x460.png
createSplashImage 320 480 ${webPath}/splash-320x480.png
createSplashImage 640 920 ${webPath}/splash-640x920.png
createSplashImage 640 960 ${webPath}/splash-640x960.png
createSplashImage 640 1096 ${webPath}/splash-640x1096.png
createSplashImage 640 1136 ${webPath}/splash-640x1136.png
createSplashImage 768 1004 ${webPath}/splash-768x1004.png
createSplashImage 1024 748 ${webPath}/splash-1024x748.png
createSplashImage 1536 2008 ${webPath}/splash-1536x2008.png
createSplashImage 2048 1496 ${webPath}/splash-2048x1496.png
fi
#---------------------------
# Do iOS specific things
#---------------------------
if [ "$platform" == "ios" ]
then
createIconImage 40 ${iosPath}/icon-40.png
createIconImage 80 ${iosPath}/icon-40@2x.png
createIconImage 50 ${iosPath}/icon-50.png
createIconImage 100 ${iosPath}/icon-50@2x.png
createIconImage 60 ${iosPath}/icon-60.png
createIconImage 120 ${iosPath}/icon-60@2x.png
createIconImage 180 ${iosPath}/icon-60@3x.png
createIconImage 72 ${iosPath}/icon-72.png
createIconImage 144 ${iosPath}/icon-72@2x.png
createIconImage 76 ${iosPath}/icon-76.png
createIconImage 152 ${iosPath}/icon-76@2x.png
createIconImage 29 ${iosPath}/icon-small.png
createIconImage 58 ${iosPath}/icon-small@2x.png
createIconImage 57 ${iosPath}/icon.png
createIconImage 114 ${iosPath}/icon@2x.png
createSplashImage 640 1136 ${iosSplashPath}/Default-568h@2x~iphone.png
createSplashImage 750 1334 ${iosSplashPath}/Default-667h.png
createSplashImage 1242 2208 ${iosSplashPath}/Default-736h.png
createSplashImage 2208 1242 ${iosSplashPath}/Default-Landscape-736h.png
createSplashImage 2048 1536 ${iosSplashPath}/Default-Landscape@2x~ipad.png
createSplashImage 1024 768 ${iosSplashPath}/Default-Landscape~ipad.png
createSplashImage 1536 2048 ${iosSplashPath}/Default-Portrait@2x~ipad.png
createSplashImage 768 1024 ${iosSplashPath}/Default-Portrait~ipad.png
createSplashImage 640 960 ${iosSplashPath}/Default@2x~iphone.png
createSplashImage 320 480 ${iosSplashPath}/Default~iphone.png
fi
#---------------------------
# Do android specific things
#---------------------------
if [ "$platform" == "android" ]
then
createIconImage 72 ${androidPath}/drawable-hdpi/icon.png
createIconImage 36 ${androidPath}/drawable-ldpi/icon.png
createIconImage 48 ${androidPath}/drawable-mdpi/icon.png
createIconImage 96 ${androidPath}/drawable-xhdpi/icon.png
createSplashImage 800 480 ${androidPath}/drawable-land-hdpi/screen.png
createSplashImage 320 200 ${androidPath}/drawable-land-ldpi/screen.png
createSplashImage 480 320 ${androidPath}/drawable-land-mdpi/screen.png
createSplashImage 1280 720 ${androidPath}/drawable-land-xhdpi/screen.png
createSplashImage 480 800 ${androidPath}/drawable-port-hdpi/screen.png
createSplashImage 200 320 ${androidPath}/drawable-port-ldpi/screen.png
createSplashImage 320 480 ${androidPath}/drawable-port-mdpi/screen.png
createSplashImage 720 1280 ${androidPath}/drawable-port-xhdpi/screen.png
fi
#---------------------------
# Remove temp file
#---------------------------
if [ -e "${tmp}" ]
then
rm ${tmp}
fi