other.gradle

tasks.register('makeIcons') {
    doLast {
        description 'Converts the SVG launcher icon to multiple resolution PNGs'

        def dir_res = 'app/src/main/res/'
        def dir_svg = 'images/'

        def launcher_fn_svg = 'ic_launcher.svg'
        def launcher_fn_png = 'ic_launcher.png'

        def sizeLogo = 512
        def sizeMap = ['mdpi': 48, 'hdpi': 72, 'xhdpi': 96, 'xxhdpi': 144, 'xxxhdpi': 192]

        def convertSvg = {
            size, dir_in, dir_out ->
                println "Converting launcher icon into ${dir_out} ..."
                exec {
                    commandLine 'mkdir', '-p', dir_out
                }

                exec {
                    // 16-bit/color RGBA, non-interlaced (TODO: we need 32)
                    commandLine 'rsvg-convert', '-f', 'png', '-w', size, '-h', size, '-o', dir_out + launcher_fn_png, dir_in + launcher_fn_svg
                }
        }

        convertSvg(sizeLogo, dir_svg, dir_svg)

        sizeMap.each {
            key, val -> convertSvg(val, dir_svg, dir_res + 'drawable-' + key + '/')
        }
    }
}

tasks.register('makeDiagrams') {
    doLast {
        description 'Converts dot to SVG'

        def dir = 'docs/'

        def convertDot = {
            format, fn ->
                println "Converting ${fn} to ${format} ..."
                exec {
                    commandLine 'dot', '-O', '-T' + format, fn + '.dot'
                }
        }

        def diagrams = ['RecognizerService', 'components', 'intents']
        diagrams.each {
            dia -> convertDot('svg', dir + dia)
        }
    }
}