U
    1èÝcä/  ã                   @   s"  d dl Z d dlZd dlZd dlZd dlZd dlZddlmZmZ ddl	m
Z e d¡Ze d¡ZdZej d¡rœd dlZdD ]Ze e¡dk	r|eZ qœq|d	Zd
d„ Zddd„ZG dd„ dƒZdd„ ZG dd„ dejƒZddd„Ze ejee¡ e eje¡ e ejddg¡ e ejd¡ dS )é    Né   )ÚImageÚ	ImageFile)Úi32lez^%%([^:]*):[ \t]*(.*)[ \t]*$z^%[%!\w]([^:]*)[ \t]*$Úwin)Zgswin32cZgswin64cÚgsFc                   C   sH   t rdS tj d¡sDztjddgtjd W dS  tk
rB   Y nX dS )NTr   r   z	--version)ÚstdoutF)Úgs_windows_binaryÚsysÚplatformÚ
startswithÚ
subprocessÚ
check_callZDEVNULLÚOSError© r   r   ú1lib/python3.8/site-packages/PIL/EpsImagePlugin.pyÚhas_ghostscript3   s    r   c                 C   s\  | d \}} }}|\}}	t |ƒp"d}|d | |d | f}d|d  |	d |	d   d|d  |	d |	d   f}
t ¡ \}}t |¡ d}t|dƒr®tj |j¡r®|j}nt ¡ \}}t |¡ |}t	|dƒf}| 
dtj¡ | ¡ }| 
d¡ |}|dkr4| t|d	ƒ¡}|sq4|t|ƒ8 }| |¡ qøW 5 Q R X |rHd
nd}ddd| d|
 dddd|› d|› d|	d  › d|	d  › dd|ddg}tdk	r¾ts¶d}t|ƒ‚t|d< zNd}tj d¡rêt ¡ }| jtjO  _tj||d t 	|¡}| ¡  W 5 zt |¡ |r*t |¡ W n tk
rB   Y nX X |j  ¡ }| ¡  |S )z!Render an image using Ghostscriptr   r   g      R@é   é   NÚnameÚwbi  ZpngalphaZppmrawr   z-qz-g%dx%dz-r%fx%fz-dBATCHz	-dNOPAUSEz-dSAFERz	-sDEVICE=z-sOutputFile=z-cú z
 translatez-fZshowpagez%Unable to locate Ghostscript on pathsr   )Ústartupinfo)!ÚintÚtempfileZmkstempÚosÚcloseÚhasattrÚpathÚexistsr   ÚopenÚseekÚioÚSEEK_ENDÚtellÚreadÚminÚlenÚwriter	   r   Úunlinkr
   r   r   r   ZSTARTUPINFOZdwFlagsZSTARTF_USESHOWWINDOWr   r   ÚloadÚimÚcopy)ÚtileÚsizeÚfpÚscaleÚtransparencyÚdecoderÚoffsetÚdataÚlengthZbboxÚresZout_fdZoutfileZinfile_tempZinfileZin_fdÚfZfsizeZ
lengthfileÚsZdeviceZcommandÚmsgr   Zout_imr+   r   r   r   ÚGhostscript@   s‚    þ



ï



r:   c                   @   s.   e Zd ZdZdd„ Zejfdd„Zdd„ ZdS )	ÚPSFilezP
    Wrapper for bytesio object that treats either CR or LF as end of line.
    c                 C   s   || _ d | _d S ©N)r/   Úchar)Úselfr/   r   r   r   Ú__init__§   s    zPSFile.__init__c                 C   s   d | _ | j ||¡ d S r<   )r=   r/   r!   )r>   r3   Úwhencer   r   r   r!   «   s    zPSFile.seekc                 C   st   | j pdg}d | _ | j d¡}|dkrFt|ƒrF| |¡ | j d¡}q| j d¡| _ | j dkrdd | _ d |¡ d¡S )Nó    r   s   
zlatin-1)r=   r/   r%   r'   ÚappendÚjoinÚdecode)r>   r8   Úcr   r   r   Úreadline¯   s    

zPSFile.readlineN)	Ú__name__Ú
__module__Ú__qualname__Ú__doc__r?   r"   ÚSEEK_SETr!   rF   r   r   r   r   r;   ¢   s   r;   c                 C   s(   | d d… dkp&t | ƒdko&t| ƒdkS )Né   ó   %!PSì   ÅP§ )r'   Úi32)Úprefixr   r   r   Ú_acceptÀ   s    rQ   c                   @   sH   e Zd ZdZdZdZdddddœZd	d
„ Zdd„ Zddd„Z	dd„ Z
dS )ÚEpsImageFilez.EPS File Parser for the Python Imaging LibraryZEPSzEncapsulated PostscriptÚLZLABÚRGBÚCMYK)r   r   r   rL   c              
   C   sò  |   | j¡\}}t| jƒ}| |¡ d }d| _d| _| ¡ }| d¡}|rì|rÀt|ƒdkrjd}t	|ƒ‚zt
 |¡}W n2 tjk
rª }	 zd}t	|ƒ|	‚W 5 d }	~	X Y nX |rB| dd¡\}
}|| j|
< |
dkrÀzRd	d
„ | 
¡ D ƒ}|d |d  |d |d  f| _dd| j |||ffg| _W n tk
r>   Y nX n~t |¡}|r¤| d¡}
|
dkrjqì|
d d… dkr˜|
dd … | j|
d d… < n
d| j|
< n|d dkr´nd}t|ƒ‚| ¡ }| d¡}|rF|d d… dkrFqìqF|d d… dkrÜt|ƒdkrd}t	|ƒ‚|d d… dkrÀ|dd …  
d d¡d d… \}}}}t|ƒdkrdd| _nFt|ƒdkrÜz| jt|ƒ | _W n tk
r¢   Y qÜY nX nqÜt|ƒt|ƒf| _d S | ¡  d¡}|sìqÜqì|sîd}t|ƒ‚d S )NrT   )r   r   z
éÿ   únot an EPS filer   r   ZBoundingBoxc                 S   s   g | ]}t t|ƒƒ‘qS r   )r   Úfloat)Ú.0Úir   r   r   Ú
<listcomp>ú   s     z&EpsImageFile._open.<locals>.<listcomp>r   r   Úeps©r   r   ZEndCommentsé   zPS-Adobeé	   Ú ú%zbad EPS headeré   z%ImageData:é   rL   Ú1z!cannot determine EPS bounding box)Ú_find_offsetr/   r;   r!   ÚmodeÚ_sizerF   Ústripr'   ÚSyntaxErrorÚsplitÚmatchÚreÚerrorÚgroupÚinfor.   r-   Ú	ExceptionÚfieldr   r   Úmode_mapÚ
ValueError)r>   r5   r3   r/   ZboxZs_rawr8   r9   ÚmÚeÚkÚvÚxÚyZbiZmor   r   r   Ú_openÑ   s†    




"ÿ




$zEpsImageFile._openc                 C   sn   |  d¡}|d d… dkr6| dtj¡ | ¡ }d}n0t|dƒdkrZt|dƒ}t|dƒ}nd}t|ƒ‚||fS )Né    rL   rM   r   rN   r^   rW   )r%   r!   r"   r#   r$   rO   ri   )r>   r/   r8   r5   r3   r9   r   r   r   re   =  s    

zEpsImageFile._find_offsetr   Fc                 C   sD   | j r8t| j | j| j||ƒ| _| jj| _| jj| _g | _ tj | ¡S r<   )	r-   r:   r.   r/   r+   rf   rg   r   r*   )r>   r0   r1   r   r   r   r*   T  s    

zEpsImageFile.loadc                 O   s   d S r<   r   )r>   ÚargsÚkwargsr   r   r   Ú	load_seek]  s    zEpsImageFile.load_seekN)r   F)rG   rH   rI   rJ   ÚformatZformat_descriptionrr   rz   re   r*   r~   r   r   r   r   rR   É   s   l
	rR   c                 C   s˜  |   ¡  | jdkrd}n,| jdkr(d}n| jdkr8d}nd}t|ƒ‚|r¨| d¡ | d	¡ | d
| j ¡ | d¡ | d¡ | d¡ | d| j ¡ | d| ¡ | d¡ | d¡ | d| jd |d   ¡ | d| j ¡ | d| j ¡ | d| jd | jd | jd f ¡ | d¡ | |d d ¡ t|dƒrN| ¡  t | |dd| j ddfg¡ | d¡ | d ¡ t|dƒr”| ¡  dS )!z*EPS Writer for the Python Imaging Library.rS   )r^   r   s   imagerT   )r^   r   s   false 3 colorimagerU   )r^   rL   s   false 4 colorimagezimage mode is not supporteds   %!PS-Adobe-3.0 EPSF-3.0
s   %%Creator: PIL 0.1 EpsEncode
s   %%%%BoundingBox: 0 0 %d %d
s   %%Pages: 1
s   %%EndComments
s   %%Page: 1 1
s   %%ImageData: %d %d s   %d %d 0 1 1 "%s"
s   gsave
s   10 dict begin
s   /buf %d string def
r   r   s   %d %d scale
s   %d %d 8
s   [%d 0 0 -%d 0 %d]
s+   { currentfile buf readhexstring pop } bind
r   ó   
Úflushr\   r]   Ns   
%%%%EndBinary
s   grestore end
)	r*   rf   rs   r(   r.   r   r   r   Ú_save)r+   r/   Úfilenamer\   Úoperatorr9   r   r   r   r‚   g  sB    









&


r‚   z.psz.epszapplication/postscript)r   F)r   ) r"   r   rl   r   r
   r   r`   r   r   Z_binaryr   rO   Úcompilerj   rq   r	   r   r   ZshutilZbinaryÚwhichr   r:   r;   rQ   rR   r‚   Zregister_openr   Zregister_saveZregister_extensionsZregister_mimer   r   r   r   Ú<module>   s8   


b	 
9