sizing.py 文件源码

def largest_dimensions_for_aspect_ratio(dimensions_list: List[Dimensions], desired_aspect_ratio: float,
                                        default: Any = _sentinel) -> Union[Dimensions, Any]:
    """
    Returns
    -------
    The largest dimensions after cropping each dimensions to reach desired aspect ratio
    """
    if not dimensions_list:
        if default is not _sentinel:
            return default
        raise ValueError(f"{dimensions_list} must not be empty.")

    largest_dimensions = crop_dimensions_to_aspect_ratio(dimensions_list[0], desired_aspect_ratio)
    for dimensions in dimensions_list[1:]:
        nearest_dimensions_to_aspect_ratio = crop_dimensions_to_aspect_ratio(dimensions, desired_aspect_ratio)

        if nearest_dimensions_to_aspect_ratio.resolution > largest_dimensions.resolution:
            largest_dimensions = nearest_dimensions_to_aspect_ratio

    return largest_dimensions