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Editing: ImageStat.cpython-311.pyc
� �"�cT � �< � d dl Z d dlZd dlZ G d� d� � ZeZdS )� Nc �R � e Zd Zd d�Zd� Zd� Zd� Zd� Zd� Zd� Z d � Z d � Z d � Z d � Z dS )�StatNc �f � |r|� |� � | _ n|� � � | _ n# t $ r || _ Y nw xY wt | j t � � sd}t |� � �t t t | j � � dz � � � � | _ d S )Nz$first argument must be image or list� ) � histogram�h�AttributeError� isinstance�list� TypeError�range�len�bands)�self� image_or_list�mask�msgs �//usr/lib/python3/dist-packages/PIL/ImageStat.py�__init__z Stat.__init__ s� � � #�� 3�&�0�0��6�6����&�0�0�2�2����� � #� #� #�"�D�F�F�F� #�����$�&�$�'�'� !�8�C��C�.�.� ��%��D�F� � �s� 2�3�3�4�4�� � � s �69 �A � A c � � |dd� dk rt |� � � t | d|z � � � � }t | ||� � |S )zCalculate missing attributeN� �_get)r �getattr�setattr)r �id�vs r � __getattr__zStat.__getattr__+ sU � � �b�q�b�6�V� � � ��$�$� $� &�G�D�&�2�+� &� &� (� (����b�!� � � ��� c � � d� }g }t dt | j � � d� � D ]-}|� || j |d� � � � � �.|S )z-Get min/max values for each band in the imagec � � d}d}t d� � D ]*}| | r t ||� � }t ||� � }�+||fS )N� r r )r �min�max)r �n�x�is r �minmaxz Stat._getextrema.<locals>.minmax7 sQ � ��A��A��3�Z�Z� "� "�� �Q�<� "��A�q� � �A��A�q� � �A���a�4�Kr r r N�r r r �append)r r' r r& s r � _getextremazStat._getextrema4 si � � � � � ���q�#�d�f�+�+�s�+�+� )� )�A� �H�H�V�V�D�F�1�2�2�J�'�'� (� (� (� (��r c �� � g }t dt | j � � d� � D ]D}|� t j t j | j ||dz � � � � � �E|S )z(Get total number of pixels in each layerr r )r r r r) � functools�reduce�operator�add�r r r& s r � _getcountzStat._getcountE sf � � ���q�#�d�f�+�+�s�+�+� J� J�A� �H�H�Y�%�h�l�D�F�1�q�3�w�;�4G�H�H� I� I� I� I��r c �� � g }t dt | j � � d� � D ]A}d}t d� � D ]}||| j ||z z z }�|� |� � �B|S )z#Get sum of all pixels in each layerr r � r( )r r r& � layer_sum�js r �_getsumz Stat._getsumM s{ � � ���q�#�d�f�+�+�s�+�+� � �A��I��3�Z�Z� /� /���Q����A�� � .�.� � � �H�H�Y� � � � ��r c �� � g }t dt | j � � d� � D ]Q}d}t d� � D ](}||dz t | j ||z � � z z }�)|� |� � �R|S )z+Get squared sum of all pixels in each layerr r r3 � )r r r �floatr) )r r r& �sum2r5 s r �_getsum2z Stat._getsum2X s� � � ���q�#�d�f�+�+�s�+�+� � �A��D��3�Z�Z� 6� 6����A���t�v�a�!�e�}�!5�!5�5�5��� �H�H�T�N�N�N�N��r c �z � g }| j D ]0}|� | j | | j | z � � �1|S )z&Get average pixel level for each layer)r r) �sum�countr0 s r �_getmeanz Stat._getmeanc sE � � ���� 2� 2�A� �H�H�T�X�a�[�4�:�a�=�0� 1� 1� 1� 1��r c �� � g }| j D ][}d}| j | dz }|dz }t d� � D ] }|| j ||z z }||k r n� |� |� � �\|S )z%Get median pixel level for each layerr r8 r )r r> r r r) )r r r& �s�half�br5 s r � _getmedianzStat._getmediank s� � � ���� � �A��A��:�a�=�A�%�D��C��A��3�Z�Z� � �����q�1�u� �%���t�8�8��E� � �H�H�Q�K�K�K�K��r c � � g }| j D ]B}|� t j | j | | j | z � � � � �C|S )zGet RMS for each layer)r r) �math�sqrtr: r> r0 s r �_getrmsz Stat._getrmsz sO � � ���� >� >�A� �H�H�T�Y�t�y��|�d�j��m� ;�<�<� =� =� =� =��r c � � g }| j D ]F}| j | }|� | j | | j | dz |z z |z � � �G|S )zGet variance for each layerg @)r r> r) r: r= )r r r& r$ s r �_getvarz Stat._getvar� sa � � ���� D� D�A�� �1� �A� �H�H�d�i��l�d�h�q�k�S�&8�A�%=�=��B� C� C� C� C��r c � � g }| j D ]4}|� t j | j | � � � � �5|S )z%Get standard deviation for each layer)r r) rF rG �varr0 s r � _getstddevzStat._getstddev� sD � � ���� -� -�A� �H�H�T�Y�t�x��{�+�+� ,� ,� ,� ,��r )N)�__name__� __module__� __qualname__r r r* r1 r6 r; r? rD rH rJ rM � r r r r s� � � � � � � 5� 5� 5� 5�� � �� � �"� � � � � � � � �� � � � � � � � �� � �� � � � r r )r, rF r. r �GlobalrQ r r �<module>rS sa ��0 � � � � � � � � ����t� t� t� t� t� t� t� t�n ���r
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