U
    1c%                  	   @   s  d dl Z d dlZd dlZd dlmZmZ dd Zddddd	d
gZdd Zdd Z	G dd dejZ
d&ddZdd Zdd Zdd Zee
je
 ee
je edkreejdk red e  ejd Ze	esed e  eeZedee  edeej  edeej  ed eej  ed!d"d# ee  eejdkrejd Zeej j!Zed$e j"#e d%e d" e$ee
j W 5 Q R X dS )'    N)Image	ImageFilec              	   C   sD   z$t | }| | dkrW dS W dS W n ttfk
r>   Y dS X d S )Nr      )int
ValueErrorOverflowError)fi r
   4lib/python3.8/site-packages/PIL/SpiderImagePlugin.pyisInt*   s    
r   r      iiiic                 C   st   d|  }dD ]}t || s dS qt|d }|tkr<dS t|d }t|d }t|d }||| krpdS |S )Nc   )r                     r   r   r   r   r   )r   r   iforms)thr	   iformlabreclabbytlenbytr
   r
   r   isSpiderHeader>   s    r   c              	   C   sT   t | d}|d}W 5 Q R X td|}t|}|dkrPtd|}t|}|S )Nrb\   z>23fr   z<23f)openreadstructunpackr   )filenamefpr   r   hdrlenr
   r
   r   isSpiderImageR   s    r'   c                   @   sZ   e Zd ZdZdZdZdd Zedd Zedd	 Z	d
d Z
dd ZdddZdd ZdS )SpiderImageFileZSPIDERzSpider 2D imageFc           
   
   C   s  d}| j |}zTd| _td|}t|}|dkrNd| _td|}t|}|dkrbd}t|W n2 tjk
r } zd}t||W 5 d }~X Y nX d| }t|d }|dkrd	}t|t|d
 t|d f| _	t|d | _
t|d | _| j
dkr| jdkr|}	d| _n| j
dkrt| jdkrtt|d
 t|d  d | _|| _t|d | _|d }	d| _n6| j
dkr| jdkr|| j }	d| _
nd}t|| jrd| _nd| _d| _dd| j |	| jddffg| _| j | _d S )Nl   r   z>27fr   z<27fznot a valid Spider filer   r   znot a Spider 2D imager   r               z inconsistent stack header valueszF;32BFzF;32FFrawr   r   )r%   r!   Z	bigendianr"   r#   r   SyntaxErrorerrorr   Z_sizeistack	imgnumber_nimagesimgbytesr&   	stkoffsetrawmodemodesizeZtile_fp)
selfnr   r   r&   msger   r   offsetr
   r
   r   _openc   sX    
zSpiderImageFile._openc                 C   s   | j S Nr5   r<   r
   r
   r   n_frames   s    zSpiderImageFile.n_framesc                 C   s
   | j dkS Nr   rC   rD   r
   r
   r   is_animated   s    zSpiderImageFile.is_animatedc                 C   s   | j dk rdS | j d S d S )Nr   r   )r4   rD   r
   r
   r   tell   s    
zSpiderImageFile.tellc                 C   s^   | j dkrd}t|| |s$d S | j|| j| j   | _| j| _| j| j | 	  d S )Nr   z#attempt to seek in a non-stack file)
r3   EOFErrorZ_seek_checkr&   r6   r7   r;   r%   seekrA   )r<   framer>   r
   r
   r   rJ      s    

zSpiderImageFile.seek   c                 C   sH   |   \}}d}||kr$|||  }| | }| ||fdddS )Nr   c                 S   s   | | | S rB   r
   )r	   mbr
   r
   r   <lambda>       z.SpiderImageFile.convert2byte.<locals>.<lambda>L)
getextremaZpointconvert)r<   ZdepthZminimumZmaximumrM   rN   r
   r
   r   convert2byte   s    
zSpiderImageFile.convert2bytec                 C   s   ddl m} |j|  ddS )Nr   )ImageTk   )Zpalette)PILrU   Z
PhotoImagerT   )r<   rU   r
   r
   r   tkPhotoImage   s    zSpiderImageFile.tkPhotoImageN)rL   )__name__
__module____qualname__formatZformat_descriptionZ!_close_exclusive_fp_after_loadingrA   propertyrE   rG   rH   rJ   rT   rX   r
   r
   r
   r   r(   ]   s   ;


	r(   c              
   C   s   | dkst | dk rdS g }| D ]}tj|s@td|  q z"t|}| }W 5 Q R X W n, tk
r   t	|st|d  Y q Y nX ||j
d< || q |S )zJcreate a list of :py:class:`~PIL.Image.Image` objects for use in a montageNr   zunable to find z is not a Spider image filer$   )lenospathexistsprintr   r    rT   	Exceptionr'   infoappend)ZfilelistZimglistZimgimr
   r
   r   loadImageSeries   s"    

rg   c           	      C   s   | j \}}|d }td| }d| dkr2|d7 }|| }t|d }|dk rRg S g }t|D ]}|d q^d|d< t||d< t||d	< d|d
< t||d< t||d< t||d< t||d< |dd  }|d dd |D S )Nr,   i   r   r   r   g        g      ?r   r   r   r   r   r   c                 S   s   g | ]}t d |qS )r   )r"   Zpack).0vr
   r
   r   
<listcomp>  s     z$makeSpiderHeader.<locals>.<listcomp>)r:   r   rangere   float)	rf   ZnsamZnrowr   r   r   Znvalueshdrr	   r
   r
   r   makeSpiderHeader   s.    

rn   c              
   C   sn   | j d dkr| d} t| }t|dk r8d}t||| d}t| |dd| j d|ddffg d S )	Nr   r.   rV   zError creating Spider headerzF;32NFr/   r0   r   )	r9   rS   rn   r^   OSError
writelinesr   _saver:   )rf   r%   r$   rm   r>   r8   r
   r
   r   rq     s    

rq   c                 C   s.   t j|d }ttj| t| || d S rF   )r_   r`   splitextr   Zregister_extensionr(   r\   rq   )rf   r%   r$   Zextr
   r
   r   _save_spider  s    rs   __main__r   z7Syntax: python3 SpiderImagePlugin.py [infile] [outfile]z$input image must be in Spider formatzimage: zformat: zsize: zmode: z
max, min:  )endzsaving a flipped version of z as )N)%r_   r"   sysrW   r   r   r   r   r   r'   r(   rg   rn   rq   rs   Zregister_openr\   Zregister_saverY   r^   argvrb   exitr$   r    rf   strr:   r9   rR   ZoutfileZ	transposeZ	TransposeZFLIP_LEFT_RIGHTr`   basenameZsaver
   r
   r
   r   <module>#   sH   	o
 



