examples

#!/bin/bash
DEFAULT_BUILD_CONFIGURATION="debug"
SCRIPT_NAME="examples"

usage() 
{
    echo "usage: utils/$SCRIPT_NAME [OPTION...]
  -c, --configuration       swift build configuration mode, default '$DEFAULT_BUILD_CONFIGURATION'"
}

error()
{
    echo $1 
    exit 1
}

check()
{
    message=$1
    shift 
    echo $@
    "$@" || error "$message"
}

build_configuration=$DEFAULT_BUILD_CONFIGURATION

while [ "$1" != "" ] ; do
    case $1 in 
    -c | --configuration ) 
        shift
        build_configuration=$1
        ;;
    * )
        usage 
        exit 1
    esac 
    shift 
done 

for path in examples/*/ ; do 
    product=$(basename $path)
    check   "error: swift build failed" \
            swift build -c $build_configuration --product $product
            
    binaries=".build/$build_configuration"
    if ! [ -f $binaries/$product ]; then
        error "error: missing '$product' product"
    fi
done 

# run `decode-basic` example
check   "error: runtime error" \
        .build/$build_configuration/decode-basic 

for file in examples/decode-basic/example.png ; do 
    size=$(identify -format "%wx%h" png:$file)
    convert -depth 8 -size $size "rgba:$file.rgba" "png:$file.rgba.png"
    convert -depth 8 -size $size  "graya:$file.va" "png:$file.va.png"
    convert -depth 8 -size $size    "gray:$file.v" "png:$file.v.png"
done 

# run `encode-basic` example
check   "error: runtime error" \
        .build/$build_configuration/encode-basic 

# run `indexing` example
check   "error: runtime error" \
        .build/$build_configuration/indexing
# run `iphone-optimized` example
check   "error: runtime error" \
        .build/$build_configuration/iphone-optimized
# run `metadata` example
check   "error: runtime error" \
        .build/$build_configuration/metadata
# run `in-memory` example
check   "error: runtime error" \
        .build/$build_configuration/in-memory
for file in examples/in-memory/example.png ; do 
    size=$(identify -format "%wx%h" png:$file)
    convert -depth 8 -size $size "rgba:$file.rgba" "png:$file.rgba.png"
done 
# run `decode-online` example
check   "error: runtime error" \
        .build/$build_configuration/decode-online
# run `custom-color` example
check   "error: runtime error" \
        .build/$build_configuration/custom-color