o
    /׾g                     @   s:   d dl mZ d dlZd dlZG dd dejjjZeZ	dS )    )chainNc                   @   sF   e Zd ZdZdZdZdZdd Zdd Zdd
dZ	dd Z
dd Zd	S )
PyPNGImagez
    pyPNG image builder.
    PNG)r   Fc                 K   s   t j| j| jdddS )NT   )	greyscalebitdepth)pngWriter
pixel_size)selfkwargs r   [/var/www/html/backend_erp/backend_erp_env/lib/python3.10/site-packages/qrcode/image/pure.py	new_image   s   zPyPNGImage.new_imagec                 C   s   dS )z
        Not used.
        Nr   )r   rowcolr   r   r   drawrect   s    zPyPNGImage.drawrectNc                 C   s*   t |tr
t|d}| j||   d S )Nwb)
isinstancestropen_imgwrite	rows_iter)r   streamkindr   r   r   save   s   

zPyPNGImage.savec                 #   sz       E d H  dg j j  } jD ]}|tt fdd|D  | }t jD ]}|V  q-q   E d H  d S )Nr   c                 3   s    | ]
}| g j  V  qd S N)box_size).0pointr   r   r   	<genexpr>%   s    
z'PyPNGImage.rows_iter.<locals>.<genexpr>)border_rows_iterr   bordermoduleslistr   from_iterablerange)r   
border_col
module_rowr   _r   r!   r   r      s$   
	zPyPNGImage.rows_iterc                 c   s>    dg| j | j| jd    }t| j| j  D ]}|V  qd S )Nr      )r   widthr$   r(   )r   
border_rowr+   r   r   r   r#   /   s
   zPyPNGImage.border_rows_iterr   )__name__
__module____qualname____doc__r   allowed_kindsneeds_drawrectr   r   r   r   r#   r   r   r   r   r      s    
r   )
	itertoolsr   r   qrcode.image.baseqrcodeimagebase	BaseImager   PymagingImager   r   r   r   <module>   s
    .