class ImagineCaster

final class ImagineCaster {
    public static function castImage(ImageInterface $c, array $a, Stub $stub, bool $isNested) : array {
        $imgData = $c->get('png');
        if (\strlen($imgData) > 1 * 1000 * 1000) {
            $a += [
                Caster::PREFIX_VIRTUAL . 'image' => new ConstStub($c->getSize()),
            ];
        }
        else {
            $a += [
                Caster::PREFIX_VIRTUAL . 'image' => new ImgStub($imgData, 'image/png', $c->getSize()),
            ];
        }
        return $a;
    }

}