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StubImageFilec B s) e Z d Z d „ Z d „ Z d „ Z RS( s±
Base class for stub image loaders.
A stub loader is an image loader that can identify files of a
certain format, but relies on external code to load the file.
c C s t d ƒ ‚ d S( Ns+ StubImageFile subclass must implement _open( t NotImplementedError( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyR ? s c C sk | j ƒ } | d k r. t d | j ƒ ‚ n | j | ƒ } | d k sO t ‚ | j | _ | j | _ d S( Ns# cannot find loader for this %s file( t _loadR R R* R6 t AssertionErrort __class__t __dict__( R' t loadert image( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyR6 B s c C s t d ƒ ‚ d S( s (Hook) Find actual image loader.s+ StubImageFile subclass must implement _loadN( Rn ( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRo L s ( Rj Rk Rl R R6 Ro ( ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRm 7 s
t Parserc B s_ e Z d Z d Z d Z d Z d Z d Z d Z d „ Z
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Incremental image parser. This class implements the standard
feed/close consumer interface.
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(Consumer) Reset the parser. Note that you can only call this
method immediately after you've created a parser; parser
instances cannot be reused.
s cannot reuse parsersN( t dataR Rp ( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyt reset^ s c C sc | j r
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(Consumer) Feed data to the parser.
:param data: A string buffer.
:exception IOError: If the parser failed to parse the image file.
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(Consumer) Close the stream.
:returns: An image object.
:exception IOError: If the parser failed to parse the image file either
because it cannot be identified or cannot be
decoded.
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ƒ n d S( s« Helper to save image based on tile list
:param im: Image object.
:param fp: File object.
:param tile: Tile list.
:param bufsize: Optional buffer size
t
encoderconfigR4 i i Ns( encoder error %d when writing image filet flush( ( R6 R8 R† RK R t maxR R& R9 t stdoutR‡ RC R Rz t UnsupportedOperationR t _getencoderR% R> RN RA t pushes_fdRP t encode_to_pyfdR t encodet writeR RS t encode_to_file( RA R R t bufsizet fhR} R` R€ R t lRa R ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyt _saveÜ sT
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Reads large blocks in a safe way. Unlike fp.read(n), this function
doesn't trust the user. If the requested size is larger than
SAFEBLOCK, the file is read block by block.
:param fp: File handle. Must implement a read method.
:param size: Number of bytes to read.
:returns: A string containing up to size bytes of data.
i R5 ( t SAFEBLOCKR< Ry t appendR7 t join( R R& Rv t block( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyt
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t PyCodecStatec B s e Z d „ Z d „ Z RS( c C s( d | _ d | _ d | _ d | _ d S( Ni ( t xsizet ysizet xofft yoff( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyR 3 s c C s* | j | j | j | j | j | j f S( N( R Rž R› Rœ ( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRY 9 s ( Rj Rk R RY ( ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRš 2 s t PyDecoderc B sh e Z d Z e Z d „ Z d „ Z e d „ ƒ Z d „ Z d „ Z
d „ Z d d „ Z
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Python implementation of a format decoder. Override this class and
add the decoding logic in the `decode` method.
See :ref:`Writing Your Own File Decoder in Python`
c G s8 d | _ t ƒ | _ d | _ | | _ | j | ƒ d S( N( R RA Rš t statet fdR% t init( R' R% R[ ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyR G s
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Override to perform decoder specific initialization
:param args: Array of args items from the tile entry
:returns: None
N( R[ ( R' R[ ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyR¢ N s c C s | j S( N( t _pulls_fd( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRO W s c C s
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Override to perform the decoding process.
:param buffer: A bytes object with the data to be decoded.
:returns: A tuple of (bytes consumed, errcode).
If finished with decoding return <0 for the bytes consumed.
Err codes are from `ERRORS`
N( Rn ( R' t buffer( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRQ [ s c C s d S( sV
Override to perform decoder specific cleanup
:returns: None
N( ( R' ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRS f s c C s
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Called from ImageFile to set the python file-like object
:param fd: A python file-like object
:returns: None
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Called from ImageFile to set the core output image for the decoder
:param im: A core image object
:param extents: a 4 tuple of (x0, y0, x1, y1) defining the rectangle
for this tile
:returns: None
i s Size cannot be negativei s Tile cannot extend outside imageN( i i i i ( RA R& R R› Rœ R Rž t
ValueError( R' RA RY t x0t y0t x1t y1( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyRN w s ! $&&c C s— | s | j } n t j | j d | ƒ } | j | j | j j ƒ ƒ | j | ƒ } | d d k rt t d ƒ ‚ n | d d k r“ t d ƒ ‚ n d S( s
Convenience method to set the internal image from a stream of raw data
:param data: Bytes to be set
:param rawmode: The rawmode to be used for the decoder.
If not specified, it will default to the mode of the image
:returns: None
R0 i s not enough image datai s cannot decode image dataN( R% R RM RN RA R RY RQ R¥ ( R' Rv t rawmodeR Ra ( ( s7 /usr/local/lib/python2.7/dist-packages/PIL/ImageFile.pyt
set_as_rawš s
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