U
|
T ±d¥% ã @ s² d Z ddlZddlmZ ddlmZmZ ddlmZ dZ
|
dZ dZ d Z d
|
Zd Zd Zd ZdZd
|
Zd ZdZdZdZdZd ZdZdZdZ dZ dZ dZ d Z dZ!dZ"d Z#e Z$e"Z%e"e B Z&e#Z'e#e B Z(e Z)e!Z*e e B e B eB Z+eZ,eZ-eZ.eZ/e Z0e Z1eZ2eeB Z3eZ4eeB Z5eeB Z6eeB Z7eeB Z8eeB Z9ee B Z:dZ;dZ<dZ=d Z>d Z?d Z@d ZAd ZBd!ZCd"ZDd#ZEd$ZFd%ZGd&ZHG d'd( d(ejZId)d* ZJd+d, ZKe LeIjMeIeK¡ e NeIjMeJ¡ e OeIjMd-¡ dS ).a
|
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 N)ÚBytesIOé )ÚImageÚ ImageFile)Úo32leiDDS é é é i i i i i @ i i i i i @ i i é é@ iDXT1iDXT3iDXT5é é é éR éS éT é_ é` éa éb éc c @ s$ e Zd ZdZdZdd Zdd ZdS )Ú DdsImageFileZDDSzDirectDraw Surfacec C s t | j d¡s d}t|t d| j d¡¡\}|dkrPdt| }t|| j |d ¡}t|dkrdt| 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 @ rh| t @ r@d| _ nd| _ dd| j d| j ddffg| _n| t@ rìdd t|D }d}| t @ r ||d 7 }nd | _ ||d |d |d 7 }dd| j d|d d d
ddffg| _n|d }d}| d!krd"| _d}nÔ| d#kr(d$| _d%}n¼| d&kr@d'| _d(}n¤| d)kr^d*| _d}d| _ n| d+kr|d,| _d-}d | _ nh| d.krd/| _d-}d | _ nJ| d0krÎ|d17 }t d| j d¡¡\}| j d¡ |ttfkrîd,| _d-}d | _ nÞ|tkr
|
d/| _d-}d | _ nÂ|tkr&d2| _d3}d | _ n¦|tkrBd4| _d3}d | _ n|ttfkr\d5| _d6}np|tkr|d5| _d7| jd8< d6}nP|t t t fkrºdd| j dd9fg| _|t kr¶d7| jd8< d S d:| }t |nd;t| }t |d<d| j ||| jffg| _d S )=Nr znot a DDS filez<Ié| zUnsupported header size éx zIncomplete header: z bytesz<3Ié ÚRGBAz<11Ié, z<2Ir z<4Ié ÚLAÚLÚraw©r r r r c S s" i | ]\}}|d dddg| qS )ÚRÚGÚBÚA© )Ú.0ÚiÚmaskr& r& úId:\z\workplace\vscode\pyvenv\venv\Lib\site-packages\PIL/DdsImagePlugin.pyÚ
|
<dictcomp> s z&DdsImageFile._open.<locals>.<dictcomp>Ú ì ~ ÚRGBé ÿ é ÿ éÿ éÿÿÿÿs DXT1ZDXT1s DXT3ZDXT3r s DXT5ZDXT5é s ATI1ZBC4s ATI2ZBC5é s BC5SZBC5Ss DX10é ZBC6Hé ZBC6HSZBC7é g]tÑEÝ?Úgamma)r r r zUnimplemented DXGI format zUnimplemented pixel format Zbcn) Ú_acceptÚfpÚreadÚ SyntaxErrorÚstructÚunpackÚreprÚOSErrorÚlenr Ú_sizeÚmodeÚDDPF_LUMINANCEÚDDPF_ALPHAPIXELSÚsizeZtileÚDDPF_RGBÚ enumerateZ pixel_formatÚDXGI_FORMAT_BC5_TYPELESSÚDXGI_FORMAT_BC5_UNORMÚDXGI_FORMAT_BC5_SNORMÚDXGI_FORMAT_BC6H_UF16ÚDXGI_FORMAT_BC6H_SF16ÚDXGI_FORMAT_BC7_TYPELESSÚDXGI_FORMAT_BC7_UNORMÚDXGI_FORMAT_BC7_UNORM_SRGBÚinfoÚ DXGI_FORMAT_R8G8B8A8_TYPELESSÚDXGI_FORMAT_R8G8B8A8_UNORMÚ DXGI_FORMAT_R8G8B8A8_UNORM_SRGBÚNotImplementedError)ÚselfÚmsgÚ header_sizeÚ header_bytesÚheaderÚflagsÚheightÚwidthZpitchÚdepthZmipmapsZpfsizeZpfflagsZfourccÚbitcountÚmasksÚrawmodeZ
|
data_startÚnZ dxgi_formatr& r& r* Ú_opens sÆ
|
|
|
|
"
|
|
*
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ý
|
|
|
|
ÿzDdsImageFile._openc C s d S ©Nr& )rV Úposr& r& r* Ú load_seekè s zDdsImageFile.load_seekN)Ú__name__Ú
|
__module__Ú __qualname__ÚformatÚformat_descriptionrc rf r& r& r& r* r o s ur c
|
C sº | j dkr d| j d}t|| j }dddg}| j dkr@t}nt}|d d d
}| j d krn|tO }| d
|
¡ t|d }t|d k r| d ¡ qz| tt td tt
|
t B t B t B tB t| j t| j t| j| d d td td td d td t| td t| d dd |D ¡ tt td td td td ¡ | j dkr| ¡ \}} }
|
} t d| || |
|
f¡} t | |dd| j d |d dffg¡ d S )N)r. r r r zcannot write mode z as DDSr/ r0 r1 )r r r2 )r r r- r r r r r7 é r
|
ó c s s | ]}t |V qd S rd )Úo32)r' r) r& r& r* Ú <genexpr> s z_save.<locals>.<genexpr>r r r! r )rC r@ rD rG rE ÚappendrA Úwritern Ú DDS_MAGICÚ DDSD_CAPSÚ DDSD_HEIGHTÚ
|
DDSD_WIDTHÚ
|
DDSD_PITCHÚDDSD_PIXELFORMATr\ r] ÚjoinÚDDSCAPS_TEXTUREÚsplitr Úmerger Ú_saverF ) Zimr: ÚfilenamerW ra r` Z pixel_flagsr_ ÚrÚgÚbÚar& r& r* r| ì sx
|
|
|
|
|
ÿÿþûúùø ÷
|
|
ö õ ô óòñðïîíìÿ r| c C s | d d
dkS )Nr s DDS r& )Úprefixr& r& r* r9 s r9 z.dds)PÚ__doc__r= Úior r, r r Ú_binaryr rn rr rs rt ru rv rw ZDDSD_MIPMAPCOUNTZDDSD_LINEARSIZEZ
|
DDSD_DEPTHZDDSCAPS_COMPLEXry ZDDSCAPS_MIPMAPZDDSCAPS2_CUBEMAPZDDSCAPS2_CUBEMAP_POSITIVEXZDDSCAPS2_CUBEMAP_NEGATIVEXZDDSCAPS2_CUBEMAP_POSITIVEYZDDSCAPS2_CUBEMAP_NEGATIVEYZDDSCAPS2_CUBEMAP_POSITIVEZZDDSCAPS2_CUBEMAP_NEGATIVEZZDDSCAPS2_VOLUMErE Z
|
DDPF_ALPHAZ DDPF_FOURCCZDDPF_PALETTEINDEXED8rG rD Z
|
DDS_FOURCCZDDS_RGBZDDS_RGBAZ DDS_LUMINANCEZDDS_LUMINANCEAZ DDS_ALPHAZDDS_PAL8ZDDS_HEADER_FLAGS_TEXTUREZDDS_HEADER_FLAGS_MIPMAPZDDS_HEADER_FLAGS_VOLUMEZDDS_HEADER_FLAGS_PITCHZDDS_HEADER_FLAGS_LINEARSIZEZ
|
DDS_HEIGHTZ DDS_WIDTHZDDS_SURFACE_FLAGS_TEXTUREZDDS_SURFACE_FLAGS_MIPMAPZDDS_SURFACE_FLAGS_CUBEMAPZDDS_CUBEMAP_POSITIVEXZDDS_CUBEMAP_NEGATIVEXZDDS_CUBEMAP_POSITIVEYZDDS_CUBEMAP_NEGATIVEYZDDS_CUBEMAP_POSITIVEZZDDS_CUBEMAP_NEGATIVEZZ DXT1_FOURCCZ DXT3_FOURCCZ DXT5_FOURCCrR rS rT rI rJ rK rL rM rN rO rP r r| r9 Z register_openrj Z register_saveZregister_extensionr& r& r& r* Ú<module> s }1
|
