o
    h$                     @   s  d dl Z d dlmZ d dlmZ d dlZd dlZd dlm	Z	 d dl
mZ d dlmZ d dlmZ d dlmZmZmZmZmZmZmZ d d	lmZ d
dlmZ d
dlmZ ddlmZmZm Z m!Z!m"Z" ddl#m$Z$m%Z%m&Z& ej'dddd Z(dd Z)dd Z*dd Z+ej,-dddgdd Z.dd Z/d d! Z0d"d# Z1d$d% Z2d&d' Z3d(d) Z4d*d+ Z5d,d- Z6d.d/ Z7G d0d1 d1Z8d2d3 Z9d4d5 Z:d6d7 Z;d8d9 Z<d:d; Z=d<d= Z>d>d? Z?d@dA Z@dBdC ZAdS )D    N)BytesIO)NamedTemporaryFile)Image)testing)temporary_file)expected_warnings)assert_allcloseassert_array_almost_equalassert_array_equalassert_equalcolor_checkfetch
mono_check)structural_similarity   )img_as_float)rgb2lab   )imreadimsavereset_plugins
use_pluginplugin_order)_palette_is_grayscalendarray_to_pilpil_to_ndarrayT)autousec                   c   s    t d dV  t  dS )z-Ensure that PIL plugin is used in tests here.pilN)r   r    r   r   T/var/www/html/scripts/venv/lib/python3.10/site-packages/skimage/io/tests/test_pil.pyuse_pil_plugin   s   
r    c                  C   sF   t  } | d d dksJ | d d dksJ | d d dks!J d S )Nr   r   r   r   imread_collection)r   )orderr   r   r   test_prefered_plugin    s   r#   c                  C   sz   t dd} | j}W d    n1 sw   Y  td}t|| tt|}t| t	t
|| dk s;J d S )N.pngsuffixr   gMbP?)r   namenpeyer   r   r   osremovesumabs)ffnameIIpr   r   r   test_png_round_trip'   s   


 r2   c                  C   s\   t tddd} | jdksJ | jtjksJ t tddd} t| jtjd v s,J d S )Ndata/color.pngT)as_grayr   zdata/camera.png
AllInteger)r   r   ndimdtyper(   float64sctype2char	typecodesimgr   r   r   test_imread_as_gray2   s
   r=   explicit_kwargsFc                 C   s|   t jddd}tdd}|j}W d    n1 sw   Y  | r#n	 t|| t|}t| |j	dks<J |j	d S )Nr         z.tifr%   )r?   r@   r   )
r(   randomrandr   r'   r   r   r*   r+   shape)r>   xr.   r/   r<   r   r   r   test_imread_separate_channels;   s   

rE   c                  C   s$   t td} | jdksJ | jd S )Nzdata/multipage_rgb.tif)r   
   rF   r   )r   r   rC   r;   r   r   r   test_imread_multipage_rgb_tifQ   s   rG   c                  C   s8   t td} | jdksJ t td} | jdksJ d S )Ndata/palette_gray.pngr   data/palette_color.pngr   )r   r   r6   r;   r   r   r   test_imread_paletteV   s   rJ   c               	   C   s   t jg dg dg dg dg dgg dg dg dg dg dgg dg dg dg dg dggt jd} ttd}t||  d S )N)   r      rL   )   rM   rL   r   )r   r   rL   r   )r      rL   rL   r7   zdata/foo3x5x4indexed.png)r(   arrayuint8r   r   r
   )dfoor<   r   r   r    test_imread_index_png_with_alpha]   s.   
rS   c                  C   s8   t td} t| sJ t td}t|rJ d S )NrH   rI   )r   openr   r   )graycolorr   r   r   test_palette_is_grays   s   rW   c                  C   s2   t d} d| d d d< ttd}t||  d S )NrF   rF   rL   r   zdata/checker_bilevel.png)r(   zerosr   r   r
   expectedr<   r   r   r   test_bilevelz   s   
r\   c                  C   s<   t td} ttd}t |jt jsJ t||  d S )Ndata/chessboard_GRAY_U8.npyzdata/chessboard_GRAY_U16.tif)r(   loadr   r   
issubdtyper7   uint16r	   rZ   r   r   r   test_imread_uint16   s   ra   c                   C   s<   t t ttd W d    d S 1 sw   Y  d S )Nzdata/truncated.jpg)r   raisesIOErrorr   r   r   r   r   r   test_imread_truncated_jpg   s   "rd   c                  C   sz   t td} tdd'}t|| dd t|}t| ||  |   d}|dks+J W d    d S 1 s6w   Y  d S )Nr]   .jpgr%   _   )quality
data_rangeGz?)	r(   r^   r   r   r   r   r   maxmin)
chessboardjpgimsimr   r   r   test_jpg_quality_arg   s   "rq   c                  C   s8   t td} ttd}|jt jksJ t||  d S )Nr]   zdata/chessboard_GRAY_U16B.tif)r(   r^   r   r   r7   r`   r	   rZ   r   r   r   test_imread_uint16_big_endian   s   rr   c                   @   s>   e Zd Zdd Zdd ZdddZdd	 Zd
d Zdd ZdS )TestSavec                 C   sD   t dd}t|| t|}|W  d    S 1 sw   Y  d S )Nr$   r%   )r   r   r   )selfrD   r/   yr   r   r   roundtrip_file   s
   
$zTestSave.roundtrip_filec                 C   s   t |}t|}|S N)r   r   )rt   rD   	pil_imageru   r   r   r   roundtrip_pil_image   s   zTestSave.roundtrip_pil_image   c                 C   s   t || tj| d S rw   )r	   astyper(   int32)rt   r7   rD   ru   scalingr   r   r   verify_roundtrip   s   zTestSave.verify_roundtripc                 c   s    dD ]@}t jt jt jt jfD ]3}t j||dt jj|  }t |t j	r1| j
||||dfV  q|d |}| j
||||fV  qqd S )N)rX   )rF   rF   r   )rF   rF      rO   rL   )r(   rQ   r`   float32r8   onesrA   rB   r_   floatingr~   r{   )rt   roundtrip_functionrC   r7   rD   r   r   r   verify_imsave_roundtrip   s   z TestSave.verify_imsave_roundtripc                 C      |  | j d S rw   )r   rv   rt   r   r   r   test_imsave_roundtrip_file      z#TestSave.test_imsave_roundtrip_filec                 C   r   rw   )r   ry   r   r   r   r   test_imsave_roundtrip_pil_image   r   z(TestSave.test_imsave_roundtrip_pil_imageN)rz   )	__name__
__module____qualname__rv   ry   r~   r   r   r   r   r   r   r   rs      s    
rs   c               
   C   sv  t dd} tt' t| d g t| td W d    n1 s&w   Y  W d    n1 s5w   Y  tt' t| d g t| td W d    n1 sZw   Y  W d    n1 siw   Y  tt& tg  t| tddd W d    n1 sw   Y  W d    n1 sw   Y  W d    d S W d    d S 1 sw   Y  d S )Nr$   r%   z is a low contrast image)r   r   r   rz   )r   r   r   F)check_contrast)r   r   rb   
ValueErrorr   r   r(   rY   )r/   r   r   r   test_imsave_incorrect_dimension   s,   
"r   c                  C   st   d} t | }t }tdg t|| W d    n1 sw   Y  |d t|}t|j|  t	|| d S )Nr   r   zis a low contrast imager   )
r(   rY   r   r   r   seekr   r   rC   r   rC   imagesoutr   r   r   test_imsave_filelike   s   

r   c                  C   s   d} t j| dti}t }tdg t|| W d    n1 s"w   Y  |d t|}t|j	|  t
|t| d S )Nr   r7   z6is a boolean image: setting True to 255 and False to 0r   )r(   r)   boolr   r   r   r   r   r   rC   r   r{   r   r   r   r   test_imsave_boolean_input   s   
r   c                  C   s.   d} t | }t|}t|}t|j|  d S )Nr   )r(   rY   r   r   r   rC   )rC   r   rx   r   r   r   r   test_imexport_imimport   s
   
r   c                   C   sl   t dg td W d    n1 sw   Y  t dg tdd W d    d S 1 s/w   Y  d S )N.* is a boolean imager   bmp)r   r   r   r   r   r   test_all_color   s   
"r   c                   C   s8   t dg td W d    d S 1 sw   Y  d S )Nr   r   )r   r   r   r   r   r   test_all_mono  s   
"r   c                  C   sP   t td} | jdksJ | jt tddd}|jdksJ t| d | d S )Nzdata/no_time_for_that_tiny.gif)         r      )img_num)r   r   r   )r   r   rC   r   )r<   img2r   r   r   test_multi_page_gif  s   r   c                  C   s  t td} ttd}|d}tdd}|j}W d    n1 s%w   Y  || z|  W n	 t	y>   Y nw t |}t
| }t
|}tdD ]1}t|d d d d |f }t|d d d d |f }	t|	||	 |	  d}
|
dksJ qOd S )Nr3   CMYKre   r%   r   rh   rj   )r   r   r   rT   convertr   r'   savecloseAttributeErrorr   ranger(   ascontiguousarrayr   rk   rl   )refr<   r.   r/   newref_labnew_labinewirefirp   r   r   r   	test_cmyk  s.   

r   c                  C   s   t td} t| jd d S )Nzdata/green_palette.pngr   )r   r   r   r6   r;   r   r   r   test_extreme_palette+  s   r   )Br*   ior   tempfiler   numpyr(   pytestPILr   skimage._sharedr   skimage._shared._tempfiler   skimage._shared._warningsr   skimage._shared.testingr   r	   r
   r   r   r   r   skimage.metricsr    r   rV   r   r   r   r   r   r   _plugins.pil_pluginr   r   r   fixturer    r#   r2   r=   markparametrizerE   rG   rJ   rS   rW   r\   ra   rd   rq   rr   rs   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   sR    $

	
#	