QPDFPageObjectHelper::getCropBox(bool copy_if_shared)
{
    QPDFObjectHandle result = getAttribute("/CropBox", copy_if_shared);
    if (result.isNull())
    {
        result = getMediaBox();
    }
    return result;
}
QPDFPageObjectHelper::getCropBox(bool copy_if_shared)
{
    QPDFObjectHandle result = getAttribute("/CropBox", copy_if_shared);
    if (result.isNull())
    {
        result = getMediaBox();
    }
    return result;
}