Your IP : 216.73.216.213
�ʴW1 � @ sN d d l m Z m Z d d l Z d d l Z d d l Z d Z d d � Z d d � Z Gd d � d e j � Z d
d � Z
d d
� Z e j e j
e e
� e j e j
e � e j e j
d � e j e j
d � e j e j
d � e j e j
d � e j e j
d � e j e j
d � e j e j
d � e j e j
d � d S)� )�Image� ImageFileNz0.1c C s� | j d � } t j d | � d } | | j | d � } t j d | d d � � \ } } } } } } } }
} } }
d g |
} d g |
} d g |
} xU t |
� D]G } t j d | d d | d
d | � � \ | | <| | <| | <q� W| | | | f } |
d k r>| d d @d
k r5d } q�d } nE |
d k rSd } n0 |
d k rhd } n |
d k r}d } n d } | | f S)z�Parse the JPEG 2000 codestream to extract the size and component
count from the SIZ marker segment, returning a PIL (size, mode) tuple.� z>Hr z >HHIIIIIIIIHN�& z>BBB�$ � �' � � � zI;16�L�LA�RGB� �RGBA)�read�struct�unpack�range)�fp�hdrZlsizZsizZrsizZxsizZysizZxosizZyosizZxtsizZytsizZxtosizZytosizZcsizZssizZxrsizZyrsiz�i�size�mode� r �H/opt/alt/python35/lib64/python3.5/site-packages/PIL/Jpeg2KImagePlugin.py�_parse_codestream s, =
E r c C s� d } x� t j d | j d � � \ } } | d k r^ t j d | j d � � d } d } n d } | | k r| t d � � | d k r� | j | | � } Pq | j | | t j � q W| d k r� t d
� � d } d } d } d } t j | � } x�t j d | j d � � \ } } | d k rQt j d | j d � � d } d } n d } | j | | � }
| d k r)t j d |
� \ } } } } }
} } | | f } | r�| d k r�| d
@d k r�d } nQ | d k r�d } n< | d k r�d } n' | d k rd } n | d k r%d } Pq� | d k r� t j d |
d d � � \ } } } | d k r� t j d |
d d � � d } | d k r�| d k r�| d
@d k r�d } n< | d k r�d } n' | d k r�d } n | d k r�d } Pq� | d k rS| d k r(| d
@d k r(d } n' | d k r=d } n | d k rOd } Pq� | d k r� | d k rtd } n | d k r�d } Pq� W| d k s�| d k r�t d � � | | f S) z~Parse the JP2 header box to extract size, component count and
color space information, returning a PIL (size, mode) tuple.Nz>I4sr r z>Qr � zInvalid JP2 header lengths jp2hzcould not find JP2 headers ihdrz>IIHBBBBr
zI;16r r r
r r r r s colrz>BBBz>I� � � zMalformed jp2 header) r r r � SyntaxError�seek�os�SEEK_CUR�io�BytesIO)r �headerZlboxZtboxZhlenr r ZbpcZncZhio�content�height�width�cZunkcZipr�methZprecZapprox�csr r r �_parse_jp2_header: s� ! ! ' % r. c @ s4 e Z d Z d Z d Z d d � Z d d � Z d S)�Jpeg2KImageFileZJPEG2000zJPEG 2000 (ISO 15444)c C s� | j j d � } | d k rE d | _ t | j � \ | _ | _ nU | | j j d � } | d k r� d | _ t | j � \ | _ | _ n t d � � | j d k s� | j d k r� t d � � d | _ d | _ d
} d } y% | j j
� } t j | � j
} Wng d } yH | j j � } | j j d d � | j j � } | j j | d � Wn d } Yn XYn Xd d | j d | j | j | j | | | j f f g | _ d S)Nr s �O�Q�j2kr s jP
�
�jp2znot a JPEG 2000 filez unable to determine size/moder r r �jpeg2k���r3 r3 r3 )r r )r r �codecr r r r. r! �reduce�layers�filenor# �fstat�st_size�tellr" �tile)�self�sig�fd�length�posr r r �_open� s: zJpeg2KImageFile._openc C s� | j rY d | j >} | d ?} t | j d | | � t | j d | | � f | _ | j r� | j d } | d d | j | j | d d | d d f } | d d | j | d | f g | _ t j j | � d S)Nr r r r r )r r )r5 �intr r; r6 r �load)r< ZpowerZadjust�t�t3r r r rC � s
!
3'zJpeg2KImageFile.loadN)�__name__�
__module__� __qualname__�formatZformat_descriptionrA rC r r r r r/ � s 'r/ c C s* | d d � d k p) | d d � d k S)Nr s �O�Q� s jP
�
r )�prefixr r r �_accept� s rL c C s} | j d � r d } n d } | j } | j d d � } | j d d � } | j d d � } | j d d � } | j d d � } | j d
d � }
| j d d � } | j d
d � } | j d d � }
| j d d � } | j d d � } d } t | d � r#y | j � } Wn d } Yn X| | | | | |
| | |
| | | f | _ t j | | d d | j d | f g � d S)Nz.j2kr0 r1 �offset� tile_offset� tile_size� quality_modeZrates�quality_layers�num_resolutionsr Zcodeblock_size�
precinct_size� irreversibleF� progressionZLRCP� cinema_mode�nor r7 r2 r3 r3 )r r ) �endswithZ encoderinfo�get�hasattrr7 Z
encoderconfigr �_saver )Zimr �filename�kind�inforM rN rO rP rQ rR Z cblk_sizerS rT rU rV r> r r r r[ � sD r[ z.jp2z.j2kz.jpcz.jpfz.jpxz.j2cz image/jp2z image/jpx)ZPILr r r r# r% � __version__r r. r/ rL r[ Z
register_openrI Z
register_saveZregister_extensionZ
register_mimer r r r �<module> s& # `; 0