a
    f1b                     @   sn   d dl mZ d dlmZ d dlZd dlmZ d dlmZ	 d dl
mZ edgddd	d
 Zdd Zdd ZdS )    )BytesIO)PathN)image_comparison)pyplotzpngsuite.pnggQ?)Ztolc                  C   s   t ttjd d} tjt| dfd t| D ]B\}}t	|}d }|j
dkrZtj}tj|||d ddg|d q4t jd t dt|  d S )	Nzbaseline_images/pngsuitez	basn*.png   )Zfigsize   r   )Zextentcmapz#ddffff)sortedr   __file__parentZglobpltZfigurelen	enumerateimreadndimcmZgrayZimshowZgcaZpatchZset_facecolorZset_xlim)filesifnamedatar    r   8lib/python3.9/site-packages/matplotlib/tests/test_png.pytest_pngsuite   s    

r   c                 C   s   |  d}t|d}t|d}t| t|d}| }W d    n1 sX0    Y  t|d"}||d d  W d    n1 s0    Y  t	t
 t| W d    n1 s0    Y  d S )Ntestztest.pngztest_truncated.pngrbwb   )mkdirstrjoinr   savefigopenreadwritepytestraises	Exceptionr   )Ztmpdirdr   Zfname_tZfinZbufZfoutr   r   r   test_truncated_file   s    

&0r(   c                  C   sj   t  } t|  | d t | d}|d tt t| W d    n1 s\0    Y  d S )Nr   r   )	r   r   r    seekr"   r$   r%   r&   r   )bZb2r   r   r   test_truncated_buffer,   s    


r+   )ior   pathlibr   r$   Zmatplotlib.testing.decoratorsr   Z
matplotlibr   r   Zmatplotlib.cmr   r   r(   r+   r   r   r   r   <module>   s   
