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A Pillow loader for .dds files (S3TC-compressed aka DXTC)
Jerome Leclanche <jerome@leclan.ch>

Documentation:
  https://web.archive.org/web/20170802060935/http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt

The contents of this file are hereby released in the public domain (CC0)
Full text of the CC0 license:
  https://creativecommons.org/publicdomain/zero/1.0/
    N)BytesIO   )Image	ImageFileImagePalette)o32leiDDS          i   i   i   i   i  @ i      i   i    i @  i   i        @   iDXT1iDXT3iDXT5         R   S   T   _   `   a   b   c   c                   @   s$   e Zd ZdZdZdd Zdd ZdS )DdsImageFileDDSzDirectDraw Surfacec                 C   s.  t | jdsd}t|td| jd\}|dkr(dt| }t|| j|d }t|dkrBdt| d}t|t	|}td	|d
\}}}||f| _
d| _td	|d
\}}	}
td|d td|d\}}|d}td|d\}td|d}|t@ r|t@ rd| _nd| _dd| j d| jddffg| _d S |t@ rdd t|D }d}|t@ r||d 7 }nd| _||d |d  |d  7 }dd| j d|d d d  ddffg| _d S |t@ rd!| _td| jd"| _dd| j ddfg| _d S |d }d}|d#kr#d$| _d}n|d%kr.d&| _d'}n|d(kr9d)| _d*}n|d+krGd,| _d}d| _n|d-v rUd.| _d/}d| _n|d0krcd1| _d/}d| _n|d2kr|d37 }td| jd\}| jd |ttfv rd.| _d/}d| _nz|tkrd1| _d/}d| _nl|tkrd4| _d5}d| _n^|tkrd6| _d5}d| _nP|ttfv rd7| _d8}nC|tkrd7| _d9| j d:< d8}n3|t!t"t#fv rdd| j dd;fg| _|t#krd9| j d:< d S d<| }t$|d=t| }t$|d>d| j ||| jffg| _d S )?Nr	   znot a DDS filez<I|   zUnsupported header size x   zIncomplete header: z bytesz<3I   RGBAz<11I,   z<2Ir
   z<4I   LALrawr   r   r   r   c                 S   s   i | ]\}}|g d | qS ))RGBA ).0imaskr)   r)   i/var/www/html/Resume-Parser/resume-parser-inhouse/venv/lib/python3.10/site-packages/PIL/DdsImagePlugin.py
<dictcomp>   s    z&DdsImageFile._open.<locals>.<dictcomp>       ~ RGB         Pr   s   DXT1DXT1s   DXT3DXT3r   s   DXT5DXT5   s   ATI1BC4)s   ATI2s   BC5UBC5   s   BC5SBC5Ss   DX10   BC6H   BC6HSBC7   g]tE?gamma)r   r   r   zUnimplemented DXGI format zUnimplemented pixel format bcn)%_acceptfpreadSyntaxErrorstructunpackreprOSErrorlenr   _size_modeDDPF_LUMINANCEDDPF_ALPHAPIXELSsizemodetileDDPF_RGB	enumerateDDPF_PALETTEINDEXED8r   r#   palettepixel_formatDXGI_FORMAT_BC5_TYPELESSDXGI_FORMAT_BC5_UNORMDXGI_FORMAT_BC5_SNORMDXGI_FORMAT_BC6H_UF16DXGI_FORMAT_BC6H_SF16DXGI_FORMAT_BC7_TYPELESSDXGI_FORMAT_BC7_UNORMDXGI_FORMAT_BC7_UNORM_SRGBinfoDXGI_FORMAT_R8G8B8A8_TYPELESSDXGI_FORMAT_R8G8B8A8_UNORMDXGI_FORMAT_R8G8B8A8_UNORM_SRGBNotImplementedError)selfmsgheader_sizeheader_bytesheaderflagsheightwidthpitchdepthmipmapspfsizepfflagsfourccbitcountmasksrawmode
data_startndxgi_formatr)   r)   r-   _opens   s   

"*
















zDdsImageFile._openc                 C   s   d S Nr)   )ri   posr)   r)   r-   	load_seek   s   zDdsImageFile.load_seekN)__name__
__module____qualname__formatformat_descriptionr}   r   r)   r)   r)   r-   r   o   s
    yr   c              
   C   s  | j dvrd| j  d}t|| j }g d}| j dv rt}n	t}|d d d }| j dv r6|tO }|d t|d	 }t|d
k rM|d t|d
k sB|tt	td tt
tB tB tB tB  t| j t| j t| j| d d	  td td tdd  td t| td t| ddd |D  tt td td td td  | j dkr|  \}}	}
}td|||	|
f} t| |dd| j d|ddffg d S )N)r1   r   r"   r!   zcannot write mode z as DDS)r2   r3   r4   )r"   r!   r5   )r!   r   r0   r
   r	   r   r   rD      r       c                 s   s    | ]}t |V  qd S r~   )o32)r*   r,   r)   r)   r-   	<genexpr>  s    z_save.<locals>.<genexpr>r   r#   r$   r   )rU   rN   rR   rW   rS   appendrO   writer   	DDS_MAGIC	DDSD_CAPSDDSD_HEIGHT
DDSD_WIDTH
DDSD_PITCHDDSD_PIXELFORMATro   rp   joinDDSCAPS_TEXTUREsplitr   merger   _saverT   )imrH   filenamerj   ry   rx   pixel_flagsrw   rgbar)   r)   r-   r      sz   




	


(r   c                 C   s   | d d dkS )Nr	   s   DDS r)   )prefixr)   r)   r-   rG   !  s   rG   z.dds)Q__doc__rK   ior   r/   r   r   r   _binaryr   r   r   r   r   r   r   r   DDSD_MIPMAPCOUNTDDSD_LINEARSIZE
DDSD_DEPTHDDSCAPS_COMPLEXr   DDSCAPS_MIPMAPDDSCAPS2_CUBEMAPDDSCAPS2_CUBEMAP_POSITIVEXDDSCAPS2_CUBEMAP_NEGATIVEXDDSCAPS2_CUBEMAP_POSITIVEYDDSCAPS2_CUBEMAP_NEGATIVEYDDSCAPS2_CUBEMAP_POSITIVEZDDSCAPS2_CUBEMAP_NEGATIVEZDDSCAPS2_VOLUMErS   
DDPF_ALPHADDPF_FOURCCrY   rW   rR   
DDS_FOURCCDDS_RGBDDS_RGBADDS_LUMINANCEDDS_LUMINANCEA	DDS_ALPHADDS_PAL8DDS_HEADER_FLAGS_TEXTUREDDS_HEADER_FLAGS_MIPMAPDDS_HEADER_FLAGS_VOLUMEDDS_HEADER_FLAGS_PITCHDDS_HEADER_FLAGS_LINEARSIZE
DDS_HEIGHT	DDS_WIDTHDDS_SURFACE_FLAGS_TEXTUREDDS_SURFACE_FLAGS_MIPMAPDDS_SURFACE_FLAGS_CUBEMAPDDS_CUBEMAP_POSITIVEXDDS_CUBEMAP_NEGATIVEXDDS_CUBEMAP_POSITIVEYDDS_CUBEMAP_NEGATIVEYDDS_CUBEMAP_POSITIVEZDDS_CUBEMAP_NEGATIVEZDXT1_FOURCCDXT3_FOURCCDXT5_FOURCCre   rf   rg   r\   r]   r^   r_   r`   ra   rb   rc   r   r   rG   register_openr   register_saveregister_extensionr)   r)   r)   r-   <module>   s     1