generate-icon.ps1

# Ideal sizes:
#
# https://learn.microsoft.com/en-us/windows/apps/design/style/iconography/app-icon-construction
$sizes = @(16, 20, 24, 30, 32, 36, 48, 60, 64, 72, 80, 96, 128, 256)

$tempFiles = @()

foreach ($size in $sizes) {
    $outFile = "AppList.targetsize-$($size).png"
    $tempFiles += $outFile

    if ( $size -ge 32 ) {
      $padding = 2;
    } else {
      $padding = 0;
    }
    $fontSize = "$(($size - $padding))x$(($size - $padding))"
    $strokeWidth = [math]::Max(1, [math]::Round($size * 0.05))


    $max = $size - 1

    magick -size "${size}x${size}" xc:none `
        +antialias `
        -fill none `
        -fill "rgba(0,255,0,0.1)" -draw "rectangle 0,0,$max,$max" `
        -stroke black -strokewidth 1 -draw "rectangle 0,0,$max,$max" `
        -stroke white -strokewidth 1 -draw "stroke-dashoffset 0.5 stroke-dasharray 1 1 rectangle 0,0,$max,$max" `
        -gravity center `
        -antialias `
        '(' `
            -size "${fontSize}" -background none -font Verdana -fill white label:"$size" `
            '(' +clone -background black -shadow '100x1+0+0' ')' +swap -composite `
        ')' `
        -composite `
        -colors 16 `
        $outFile
}

magick $tempFiles -background transparent -compress zip demoicon.ico