U
    ˆ±ËhY  ã                   @  s(  d dl mZ d dlZd dlmZ d dlmZmZmZm	Z	 ej
dkrTd dlmZmZ nd dlmZmZ d dlZd dlZdZdZdZd	ZdZd	Zed
 ZedƒZe d¡de d¡de d¡de d¡de d¡de d¡dejdejdejdejdejdejdej diZ!ejej"ejej#ejej$ejej%ej ej&e d¡ej"e d¡ej#e d¡ej$e d¡ej%e d¡ej&i
Z'ddddœdd„Z(ddddœd d!„Z)ddd"œd#d$„Z*dd%d&œd'd(„Z+dd)d&œd*d+„Z,d,d%d-œd.d/„Z-dd)d&œd0d1„Z.dd)d&œd2d3„Z/d4d%d5d6œd7d8„Z0e	ej1e2e3f Z4d9d:d;œd<d=„Z5dS )>é    )ÚannotationsN©Úwraps)ÚAnyÚCallableÚLiteralÚUnion)é   é
   )ÚConcatenateÚ	ParamSpecr	   é   é   )ÚimageZimage_per_channelZmin_maxZmin_max_per_channelÚPÚuint8éÿ   Úuint16iÿÿ  Úuint32l   ÿÿ Úfloat16g      ð?Úfloat32Úfloat64iÿÿÿÚint32z0Callable[Concatenate[np.ndarray, P], np.ndarray]r   z"Callable[[np.ndarray], np.ndarray])Ú
process_fnÚkwargsÚreturnc                   s"   t ˆƒdddœ‡ ‡fdd„ƒ}|S )ak  Wrap OpenCV function to enable processing images with more than 4 channels.

    Limitations:
        This wrapper requires image to be the first argument and rest must be sent via named arguments.

    Args:
        process_fn: Transform function (e.g cv2.resize).
        kwargs: Additional parameters.

    Returns:
        np.ndarray: Transformed image.

    ú
np.ndarray)Úimgr   c                   sÔ   t | ƒ}|tkrÈg }td|dƒD ]œ}|| tkrˆtdƒD ]L}| d d …d d …|| || d …f }ˆ|fˆ Ž}t |d¡}| |¡ q8q | d d …d d …||d …f }ˆ|fˆ Ž}| |¡ q t |¡S ˆ| fˆ ŽS )Nr   r   r   é   éÿÿÿÿ)Úget_num_channelsÚMAX_OPENCV_WORKING_CHANNELSÚrangeÚTWOÚnpZexpand_dimsÚappendZdstack)r   Únum_channelsÚchunksÚindexÚiÚchunk©r   r   © ú2/tmp/pip-unpacked-wheel-rlprxnb3/albucore/utils.pyÚ__process_fnJ   s    &
z-maybe_process_in_chunks.<locals>.__process_fnr   )r   r   r.   r,   r+   r-   Úmaybe_process_in_chunks9   s    r/   r   )r   Údtyper   c                 C  s   t | }t | d|¡ |¡S )Nr   )ÚMAX_VALUES_BY_DTYPEr$   ÚclipZastype)r   r0   Z	max_valuer,   r,   r-   r2   b   s    r2   )Úfuncr   c                   s$   t ˆ ƒdddddœ‡ fdd„ƒ}|S )Nr   zP.argszP.kwargs)r   Úargsr   r   c                   s   | j }tˆ | f|ž|Ž|ƒS ©N)r0   r2   )r   r4   r   r0   ©r3   r,   r-   Úwrapped_functionh   s    z!clipped.<locals>.wrapped_functionr   )r3   r7   r,   r6   r-   Úclippedg   s    r8   Úint)r   r   c                 C  s   | j tkr| jd S dS )Nr   r   )ÚndimÚNUM_MULTI_CHANNEL_DIMENSIONSÚshape©r   r,   r,   r-   r    p   s    r    Úboolc                 C  s   t | ƒdkS )Nr   ©r    r=   r,   r,   r-   Úis_grayscale_imaget   s    r@   z$np.ndarray | int | np.dtype | object)Úvaluer   c                 C  s   t | tjƒr| j} t|  S r5   )Ú
isinstancer$   Úndarrayr0   ÚNPDTYPE_TO_OPENCV_DTYPE)rA   r,   r,   r-   Úget_opencv_dtype_from_numpyx   s    rE   c                 C  s   t | ƒtkS r5   )r    ÚNUM_RGB_CHANNELSr=   r,   r,   r-   Úis_rgb_image~   s    rG   c                 C  s   t | ƒ}|dkS )N>   r   r	   r?   )r   r&   r,   r,   r-   Úis_multispectral_image‚   s    rH   znp.ndarray | floatzfloat | np.ndarray)rA   r&   r   c                 C  sÈ   t | tjtjfƒr|  ¡ S t | tjƒr8| jdkr8|  ¡ S t | ttfƒrJ| S |dkrht | tjƒrh| jdks”t | tjƒr€t	| ƒdks”|dkr t	| ƒ|k r t| d ƒS | jdkrÄ| j
d |krÄ| d|… } | S )a  Convert a multiplier to a float / int or a numpy array.

    If num_channels is 1 or the length of the multiplier less than num_channels, the multiplier is converted to a float.
    If length of the multiplier is greater than num_channels, multiplier is truncated to num_channels.
    r   r   N)rB   r$   r   r   ÚitemrC   r:   Úfloatr9   Úlenr<   )rA   r&   r,   r,   r-   Úconvert_value‡   s0    þ
þþ
û
ûù
ù
rL   znp.dtyperJ   )r0   r   c                 C  s$   | t krd| › d}t|ƒ‚t |  S )Nz(Can't infer the maximum value for dtype zS. You need to specify the maximum value manually by passing the max_value argument.)r1   ÚRuntimeError)r0   Úmsgr,   r,   r-   Úget_max_value§   s
    
ÿrO   )6Ú
__future__r   ÚsysÚ	functoolsr   Útypingr   r   r   r   Úversion_infor   r   Ztyping_extensionsZcv2Znumpyr$   rF   ZMONO_CHANNEL_DIMENSIONSr;   ZFOURr#   r!   ZNormalizationTyper   r0   r   r   r   r   r   r   r   r1   ZCV_8UZCV_16UZCV_32FZCV_64FZCV_32SrD   r/   r2   r8   r    r@   rE   rG   rH   rL   rC   rJ   r9   Z	ValueTyperO   r,   r,   r,   r-   Ú<module>   s–   
             ó          ö)	