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Z
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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/
é    )ÚannotationsN)ÚIntEnumÚIntFlag)ÚIOé   )ÚImageÚ	ImageFileÚImagePalette)Úi32le)Úo8)Úo32leiDDS c                  ó.   — e Zd ZdZdZdZdZdZdZdZ	dZ
d	S )
ÚDDSDr   é   é   é   é   é   i   i  € N)Ú__name__Ú
__module__Ú__qualname__ÚCAPSÚHEIGHTÚWIDTHÚPITCHÚPIXELFORMATÚMIPMAPCOUNTÚ
LINEARSIZEÚDEPTH© ó    úP/var/www/html/mpstechhub/venv/lib/python3.11/site-packages/PIL/DdsImagePlugin.pyr   r      s6   € € € € € Ø€DØ€FØ€EØ€EØ€KØ€KØ€JØ€E€E€Er!   r   c                  ó   — e Zd ZdZdZdZdS )ÚDDSCAPSr   r   i  @ N)r   r   r   ÚCOMPLEXÚTEXTUREÚMIPMAPr    r!   r"   r$   r$   +   s   € € € € € Ø€GØ€GØ€F€F€Fr!   r$   c                  ó.   — e Zd ZdZdZdZdZdZdZdZ	dZ
d	S )
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€CØ€I€I€Ir!   r4   c                  óò  — e Zd ZdZdZdZdZdZdZdZ	dZ
d	Zd
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   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   é   r5   é!   é"   é#   é$   é%   é&   é'   é(   é)   é*   é+   é,   é-   é.   é/   é0   é1   é2   é3   é4   é5   é6   é7   é8   é9   é:   é;   é<   é=   é>   é?   r6   éA   éB   éC   éD   éE   éF   éG   éH   éI   éJ   éK   éL   éM   éN   éO   éP   éQ   éR   éS   éT   éU   éV   éW   éX   éY   éZ   é[   é\   é]   é^   é_   é`   éa   éb   éc   éd   ée   éf   ég   éh   éi   éj   ék   él   ém   én   éo   ép   éq   ér   és   é‚   éƒ   é„   é½   é¾   N)|r   r   r   ÚUNKNOWNÚR32G32B32A32_TYPELESSÚR32G32B32A32_FLOATÚR32G32B32A32_UINTÚR32G32B32A32_SINTÚR32G32B32_TYPELESSÚR32G32B32_FLOATÚR32G32B32_UINTÚR32G32B32_SINTÚR16G16B16A16_TYPELESSÚR16G16B16A16_FLOATÚR16G16B16A16_UNORMÚR16G16B16A16_UINTÚR16G16B16A16_SNORMÚR16G16B16A16_SINTÚR32G32_TYPELESSÚR32G32_FLOATÚR32G32_UINTÚR32G32_SINTÚR32G8X24_TYPELESSÚD32_FLOAT_S8X24_UINTÚR32_FLOAT_X8X24_TYPELESSÚX32_TYPELESS_G8X24_UINTÚR10G10B10A2_TYPELESSÚR10G10B10A2_UNORMÚR10G10B10A2_UINTÚR11G11B10_FLOATÚR8G8B8A8_TYPELESSÚR8G8B8A8_UNORMÚR8G8B8A8_UNORM_SRGBÚR8G8B8A8_UINTÚR8G8B8A8_SNORMÚR8G8B8A8_SINTÚR16G16_TYPELESSÚR16G16_FLOATÚR16G16_UNORMÚR16G16_UINTÚR16G16_SNORMÚR16G16_SINTÚR32_TYPELESSÚ	D32_FLOATÚ	R32_FLOATÚR32_UINTÚR32_SINTÚR24G8_TYPELESSÚD24_UNORM_S8_UINTÚR24_UNORM_X8_TYPELESSÚX24_TYPELESS_G8_UINTÚR8G8_TYPELESSÚ
R8G8_UNORMÚ	R8G8_UINTÚ
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d	Zd
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€CØ€EØ€EØ€EØ€GØ
€CØ€MØ€FØ€LØ€KØ
€CØ€JØ€GØ€GØ€LØ€DØ€GØ€MØ€DØ€GØ€MØ€FØ	€BØÐØ€Làˆ3ˆw‰<Œ<€DØ��G‘”€IØˆ3ˆw‰<Œ<€DØ��G‘”€IØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØˆ3ˆw‰<Œ<€DØ�3�w‘<”<€L€L€Lr!   r+  ÚDDSD_ÚDDSCAPS_Ú	DDSCAPS2_ÚDDPF_c                  ó&   — e Zd ZdZdZd
d„Zdd„Zd	S )ÚDdsImageFileÚDDSzDirectDraw SurfaceÚreturnÚNonec                óœ  — t          | j                             d¦  «        ¦  «        sd}t          |¦  «        ‚t	          j        d| j                             d¦  «        ¦  «        \  }|dk    r!dt          |¦  «        › �}t          |¦  «        ‚| j                             |dz
  ¦  «        }t          |¦  «        dk    r"dt          |¦  «        › d�}t          |¦  «        ‚t          j
        |¦  «        }t	          j        d	|                     d
¦  «        ¦  «        \  }}}||f| _        d| j        z   }t	          j        d	|                     d
¦  «        ¦  «        \  }	}
}t	          j        d|                     d¦  «        ¦  «         t	          j        d|                     d¦  «        ¦  «        \  }}}}d}d }|t          j        z  rr|t          j        z  r
d| _        d}n	d| _        d}t	          j        d|› d�|                     |dz  ¦  «        ¦  «        }t#          j        d|d||f¦  «        g| _        d S |t          j        z  rD|dk    r	d| _        �n¨|dk    r|t          j        z  r	d| _        �nŠd|› d|› �}t          |¦  «        ‚|t          j        z  rGd| _        t-          j        d| j                             d¦  «        ¦  «        | _        d| j        _        �n|t          j        z  �rù|dz   }|t6          j        k    rd| _        d| _        d}�næ|t6          j        k    rd| _        d | _        d!}�nÄ|t6          j        k    rd| _        d"| _        d}�n¢|t6          j         t6          j!        fv rd| _        d#| _        d}�nv|t6          j"        k    rd| _        d$| _        d%}�nT|t6          j#        t6          j$        fv rd| _        d&| _        d%}�n(|t6          j%        k    �râ|d'z  }t	          j        d| j                             d¦  «        ¦  «        \  }| j                             d¦  «         |tL          j'        tL          j(        fv rd| _        d(| _        d}�n�|tL          j)        tL          j*        fv rd| _        d#| _        d}�nq|tL          j+        tL          j,        fv rd| _        d&| _        d%}�nE|tL          j-        k    rd| _        d$| _        d%}�n#|tL          j.        k    rd| _        d)| _        d*}�n|tL          j/        k    rd| _        d+| _        d*}nà|tL          j0        tL          j1        tL          j2        fv r+d| _        d,| _        d-}|tL          j2        k    r
d.| j3        d/<   n�|tL          j4        tL          j5        tL          j6        fv r"d| _        |tL          j6        k    r
d.| j3        d/<   nId0|› �}to          |¦  «        ‚d1t          |¦  «        › �}to          |¦  «        ‚d2|› �}to          |¦  «        ‚|r&t#          j        d3|||| j        f¦  «        g| _        d S t#          j        d4|d|p| j        ¦  «        g| _        d S )5Nr   znot a DDS filez<Ié|   zUnsupported header size éx   zIncomplete header: z bytesz<3IrF   ©r   r   z<11Ire   ú<4IrJ   r   ÚRGBAr;   r?   ú<ÚIÚdds_rgbr   ÚLÚLAzUnsupported bitcount z for ÚPr*   ri  r   rk  r   rm  ÚBC4rq  r@   ÚBC5rN   ÚBC1ÚBC6HrA   ÚBC6HSÚBC7rB   g]tÑEÝ?ÚgammazUnimplemented DXGI format zUnimplemented pixel format zUnknown pixel format flags ÚbcnÚraw)8Ú_acceptÚfpÚreadÚSyntaxErrorÚstructÚunpackÚreprÚOSErrorÚlenÚioÚBytesIOÚ_sizeÚsizer4   r;   r7   Ú_moder	   Ú_TileÚtiler<   r:   r
   r“  ÚpaletteÚmoder9   r+  ri  Úpixel_formatrk  rm  rp  rs  rq  rr  rt  rn  r>   rø   r÷   r   r  r  r  r  r  r  r  r  r  ÚinforÌ   rÍ   rÎ   ÚNotImplementedError)ÚselfÚmsgÚheader_sizeÚheader_bytesÚheaderÚflagsÚheightÚwidthÚextentsÚpitchÚdepthÚmipmapsÚpfsizeÚpfflagsÚfourccÚbitcountÚnÚrawmodeÚ
mask_countÚmasksÚoffsetÚdxgi_formats                         r"   Ú_openzDdsImageFile._openO  s;  € Ý�t”w—|’| A‘”Ñ'Ô'ð 	#Ø"ˆCÝ˜cÑ"Ô"Ð"Ýœ t¨T¬W¯\ª\¸!©_¬_Ñ=Ô=‰ˆØ˜#ÒÐØ@­T°+Ñ->Ô->Ð@Ð@ˆCÝ˜#‘,”,ÐØ”w—|’| K°!¡OÑ4Ô4ˆÝˆ|ÑÔ Ò#Ð#ØA­¨LÑ(9Ô(9ÐAÐAÐAˆCÝ˜#‘,”,ÐÝ”˜LÑ)Ô)ˆå%œ}¨U°F·K²KÀ±O´OÑDÔDÑˆˆv�uØ˜V�_ˆŒ
Ø˜4œ9Ñ$ˆå &¤¨e°V·[²[À±_´_Ñ EÔ EÑˆˆu�gÝŒ�f˜fŸkšk¨"™oœoÑ.Ô.Ð.õ -3¬M¸%ÀÇÂÈRÁÄÑ,QÔ,QÑ)ˆ�˜ ØˆØˆØ•T”XÑð l	+à�Ô)Ñ)ð Ø#�”
Ø�
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à"�”
Ø�
å”MÐ"3 jÐ"3Ð"3Ð"3°V·[²[ÀÈaÁÑ5PÔ5PÑQÔQˆEÝ"œ¨°G¸QÀÈ5Ð@QÑRÔRÐSˆDŒIØˆFØ•t”~Ñ%ð `	+Ø˜1Š}ˆ}Ø �”
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Ø˜R’� G­dÔ.>Ñ$>�Ø!�”
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àF¨hÐFÐF¸WÐFÐF�Ý˜c‘l”lÐ"Ø•tÔ+Ñ+ð X	+ØˆDŒJÝ'Ô+¨F°D´G·L²LÀÑ4FÔ4FÑGÔGˆDŒLØ &ˆDŒLÔÑØ•t”{Ñ"ñ T	+Ø  1‘_ˆFØ�œÒ$Ð$Ø#�”
Ø$*�Ô!Ø�‘Ø�6œ;Ò&Ð&Ø#�”
Ø$*�Ô!Ø�‘Ø�6œ;Ò&Ð&Ø#�”
Ø$*�Ô!Ø�‘Ø�FœK­¬Ð5Ð5Ð5Ø �”
Ø$)�Ô!Ø�‘Ø�6œ;Ò&Ð&Ø"�”
Ø$*�Ô!Ø�‘Ø�FœK­¬Ð5Ð5Ð5Ø"�”
Ø$)�Ô!Ø�‘Ø�6œ;Ò&Ñ&Ø˜"‘�å!'¤¨t°T´W·\²\À!±_´_Ñ!EÔ!E‘�Ø”—’˜RÑ Ô Ð ØÝÔ)ÝÔ,ð#ð ð ð "(�D”JØ(-�DÔ%Ø�A‘AØ ¥[Ô%=½{Ô?TÐ$UÐUÐUØ!$�D”JØ(-�DÔ%Ø�A‘AØ ¥[Ô%=½{Ô?TÐ$UÐUÐUØ!&�D”JØ(-�DÔ%Ø�A‘AØ ¥KÔ$9Ò9Ð9Ø!&�D”JØ(.�DÔ%Ø�A‘AØ ¥KÔ$9Ò9Ð9Ø!&�D”JØ(.�DÔ%Ø�A‘AØ ¥KÔ$9Ò9Ð9Ø!&�D”JØ(/�DÔ%Ø�A�AØ ÝÔ,ÝÔ)ÝÔ.ð%ð ð ð
 "(�D”JØ(-�DÔ%Ø�AØ"¥kÔ&@Ò@Ð@Ø-4˜œ	 'Ñ*øØ ÝÔ1ÝÔ.ÝÔ3ð%ð ð ð
 "(�D”JØ"¥kÔ&EÒEÐEØ-4˜œ	 'Ñ*øàD°{ÐDÐD�CÝ-¨cÑ2Ô2Ð2àBµD¸±L´LÐBÐB�Ý)¨#Ñ.Ô.Ð.à9°Ð9Ð9ˆCÝ% cÑ*Ô*Ð*àð 	Så”  w°¸¸DÔ<MÐ8NÑOÔOðˆDŒIˆIˆIõ #œ¨°¸¸GÐ<PÀtÄyÑQÔQÐRˆDŒIˆIˆIr!   ÚposÚintc                ó   — d S )Nr    )r©  rÀ  s     r"   Ú	load_seekzDdsImageFile.load_seekÝ  s   € Øˆr!   N)r}  r~  )rÀ  rÁ  r}  r~  )r   r   r   ÚformatÚformat_descriptionr¿  rÃ  r    r!   r"   r{  r{  K  sP   € € € € € Ø€FØ-ÐðLSð LSð LSð LSð\ð ð ð ð ð r!   r{  c                  ó   — e Zd ZdZdd„ZdS )	ÚDdsRgbDecoderTÚbufferú$bytes | Image.SupportsArrayInterfacer}  útuple[int, int]c           	     óê  — | j         €J ‚| j        \  }}g }g }|D ]`}d}|dk    r)||dz   z	  |dz   z  |k    r|dz  }||dz   z	  |dz   z  |k    °|                     |¦  «         |                     ||z	  ¦  «         Œat          ¦   «         }|dz  }	| j        j        | j        j        z  t          |¦  «        z  }
t          |¦  «        |
k     r”t           	                    | j          
                    |	¦  «        d¦  «        }t          |¦  «        D ]>\  }}||z  }|t          t          |||         z	  ||         z  dz  ¦  «        ¦  «        z  }Œ?t          |¦  «        |
k     °”|                      |¦  «         dS )Nr   r   r   Úlittleéÿ   )éÿÿÿÿr   )ÚfdÚargsÚappendÚ	bytearrayÚstateÚxsizeÚysizerœ  rÁ  Ú
from_bytesr–  Ú	enumerater   Ú
set_as_raw)r©  rÈ  r¸  r¼  Úmask_offsetsÚmask_totalsÚmaskr½  ÚdataÚ	bytecountÚdest_lengthÚvalueÚiÚmasked_values                 r"   ÚdecodezDdsRgbDecoder.decodeä  s¥  € ØŒwÐ"Ð"Ð"Øœ)‰ˆ�%ð ˆàˆØð 	/ð 	/ˆDØˆFØ�qŠyˆyØ˜v¨™zÑ*¨v¸©zÑ:¸dÒBÐBØ˜a‘K�Fð ˜v¨™zÑ*¨v¸©zÑ:¸dÒBÐBà×Ò Ñ'Ô'Ð'Ø×Ò˜t v™~Ñ.Ô.Ð.Ð.å‰{Œ{ˆØ ‘Mˆ	Ø”jÔ&¨¬Ô)9Ñ9½CÀ¹J¼JÑFˆÝ�$‰iŒi˜+Ò%Ð%Ý—N’N 4¤7§<¢<°	Ñ#:Ô#:¸HÑEÔEˆEÝ$ UÑ+Ô+ð ð ‘��4Ø$ t™|�à�Ý˜,¨,°q¬/Ñ9¸[È¼^ÑKÈsÑRÑSÔSñô ñ ��õ �$‰iŒi˜+Ò%Ð%ð 	�Š˜ÑÔÐØˆur!   N)rÈ  rÉ  r}  rÊ  )r   r   r   Ú	_pulls_fdrâ  r    r!   r"   rÇ  rÇ  á  s-   € € € € € Ø€Iðð ð ð ð ð r!   rÇ  ÚimúImage.Imager•  ú	IO[bytes]Úfilenameústr | bytesr}  r~  c                óz  — | j         dvrd| j         › d�}t          |¦  «        ‚| j         d         dk    }| j         d         dk    rt          j        }| j         }|rg d¢}nYg d	¢}nTt          j        }| j         d d d…         }g d
¢}|r2|                      ¦   «         \  }}	}
}t          j        d|||	|
f¦  «        } |r|t          j        z  }| 	                    |rdnd¦  «         t          j        t          j        z  t          j        z  t          j        z  t          j        z  }t!          |                      ¦   «         ¦  «        dz  }| j        |z  dz   dz  }|                     t)          t*          ¦  «        t-          j        dd|| j        | j        |dd¦  «        z   t-          j        dgd¢R Ž z   t-          j        dd|d|¦  «        z   t-          j        dg|¢R Ž z   t-          j        dt2          j        dddd¦  «        z   ¦  «         t7          j        | |t7          j        dd| j        z   d|¦  «        g¦  «         d S )N)r;   r„  rˆ  r‰  zcannot write mode z as DDSrÎ  ÚAr   rˆ  )rÍ  rÍ  rÍ  )ì      ~ rë  rë  )i  ÿ i ÿ  rÍ  r„  rë  r   rB   z<7Ir€  Ú11I)r   r   r   r   r   r   r   r   r   r   r   rƒ  r5   z<5Ir“  r‚  )r¥  r›  r4   r<   r;   Úsplitr   Úmerger7   rÑ  r   r   r   r   r   r   rœ  Úgetbandsr°  ÚwriteÚo32Ú	DDS_MAGICr˜  Úpackr¯  r$   r&   r	   Ú_saver¢  r   )rä  r•  rç  rª  ÚalphaÚpixel_flagsrº  Ú	rgba_maskÚrÚgÚbÚar®  r¸  r²  s                  r"   rô  rô    sW  € Ø	„wÐ0Ð0Ð0Ø3 2¤7Ð3Ð3Ð3ˆÝ�c‰lŒlÐàŒG�BŒK˜3Ò€EØ	„wˆq„z�SÒÐÝ”nˆØ”'ˆØð 	=Ø<Ð<Ð<ˆIˆIà<Ð<Ð<ˆIˆIå”hˆØ”'˜$˜$˜B˜$”-ˆØ8Ð8Ð8ˆ	àð 	3ØŸš™œ‰JˆAˆq�!�QÝ”˜V a¨¨A¨q \Ñ2Ô2ˆBØð (Ø•tÔ'Ñ'ˆØ×Ò 5Ð/�Z�Z¨aÑ0Ô0Ð0åŒI�œÑ#¥d¤jÑ0µ4´:Ñ=ÅÔ@PÑP€EÝ�2—;’;‘=”=Ñ!Ô! AÑ%€HØŒX˜Ñ  1Ñ$¨Ñ*€Eà‡H‚HÝ�I‰ŒÝ
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   Ú_binaryr   re  r   r   rñ  rò  r   r$   r)   r4   r>   r+  Úmodulesr   ÚmoduleÚitemÚnameÚsetattrrß  Úitem1Úitem2Úitem3r9   Ú
DDS_FOURCCr;   ÚDDS_RGBr7   ÚDDS_RGBAr<   ÚDDS_LUMINANCEÚDDS_LUMINANCEAr8   Ú	DDS_ALPHAr:   ÚDDS_PAL8r   r   r   r   ÚDDS_HEADER_FLAGS_TEXTUREr   ÚDDS_HEADER_FLAGS_MIPMAPr   ÚDDS_HEADER_FLAGS_VOLUMEr   ÚDDS_HEADER_FLAGS_PITCHr   ÚDDS_HEADER_FLAGS_LINEARSIZEÚ
DDS_HEIGHTÚ	DDS_WIDTHr&   ÚDDS_SURFACE_FLAGS_TEXTUREr%   r'   ÚDDS_SURFACE_FLAGS_MIPMAPÚDDS_SURFACE_FLAGS_CUBEMAPr+   r,   ÚDDS_CUBEMAP_POSITIVEXr-   ÚDDS_CUBEMAP_NEGATIVEXr.   ÚDDS_CUBEMAP_POSITIVEYr/   ÚDDS_CUBEMAP_NEGATIVEYr0   ÚDDS_CUBEMAP_POSITIVEZr1   ÚDDS_CUBEMAP_NEGATIVEZri  ÚDXT1_FOURCCrk  ÚDXT3_FOURCCrm  ÚDXT5_FOURCCrÌ   ÚDXGI_FORMAT_R8G8B8A8_TYPELESSrÍ   ÚDXGI_FORMAT_R8G8B8A8_UNORMrÎ   ÚDXGI_FORMAT_R8G8B8A8_UNORM_SRGBr  ÚDXGI_FORMAT_BC5_TYPELESSr  ÚDXGI_FORMAT_BC5_UNORMr  ÚDXGI_FORMAT_BC5_SNORMr  ÚDXGI_FORMAT_BC6H_UF16r  ÚDXGI_FORMAT_BC6H_SF16r  ÚDXGI_FORMAT_BC7_TYPELESSr  ÚDXGI_FORMAT_BC7_UNORMr  ÚDXGI_FORMAT_BC7_UNORM_SRGBr{  Ú	PyDecoderrÇ  rô  r”  Úregister_openrÄ  Úregister_decoderÚregister_saveÚregister_extensionr    r!   r"   ú<module>r9     sg  ðð
ð 
ð #Ð "Ð "Ð "Ð "Ð "à 	€	€	€	Ø €€€Ø 
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Œ�XÔ	€Øð 5ð 5€DØŒ9Ð Ð Ð Ø€GˆFÐ'˜DœIÐ'Ð'¨¬Ñ4Ô4Ð4Ð4Øð :ð :€EØŒ:Ð!Ð!Ð!Ø€GˆFÐ+˜uœzÐ+Ð+¨U¬[Ñ9Ô9Ð9Ð9Øð ;ð ;€EØŒ:Ð!Ð!Ð!Ø€GˆFÐ, ¤
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Œ(€ØŒ8�dÔ&Ñ&€Ø”€Ø” $Ô"2Ñ2€ØŒJ€	ØÔ€àœ9 t¤{Ñ2°T´ZÑ?À$ÔBRÑRÐ ØÔ*Ð Øœ*Ð ØœÐ Ø"œoÐ àŒ[€
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