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Filename :
DdsImagePlugin.cpython-310.pyc
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o Z#�a3 � @ s� 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$e"Z%e"e B Z&e#Z'e#e B Z(e Z)e!Z*e e B e B eB Z+eZ,eZ-eZ.eZ/e Z0e Z1eZ2eeB Z3eZ4eeB Z5eeB Z6eeB Z7eeB Z8eeB Z9ee B Z:dZ;dZ<dZ=d Z>d Z?d Z@d ZAd ZBd!ZCd"ZDd#ZEd$ZFG d%d&� d&ej�ZGd'd(� ZHd)d*� ZIe�JeGjKeGeI� e�LeGjKeH� e�MeGjKd+� 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/ � N)�BytesIO� )�Image� ImageFile)�o32leiDDS � � � i i i i � i @ i i i i i @ i � i � �@ iDXT1iDXT3iDXT5� � � �R �S �T �a �b �c c @ s$ e Zd ZdZdZdd� Zdd� ZdS )� DdsImageFile�DDSzDirectDraw Surfacec C s t �d| j�d��\}}|dkrtdt|�� ���| j�|d �}t|�dkr1tdt|�� d���t|�}t �d |�d ��\}}}||f| _d | _ t �d |�d ��\}} } t �d |�d �� t �d|�d��\} } |�d�} t �d|�d��\}t �d|�d��}| t @ r�dd� t |�D �}d}|dkr�||d 7 }nd| _ ||d |d |d 7 }dd | j d |d d d � d d ffg| _ d S |d }d }| d kr�d!| _d }n�| d"kr�d#| _d$}n�| d%kr�d&| _d'}n�| d(kr�d)| _d*}d| _ n�| d+k�rm|d,7 }t �d| j�d��\}| j�d� |ttfv �r d-| _d*}d| _ nZ|tk�r*d)| _d*}d| _ nL|ttfv �r7d.| _d/}n?|tk�rGd.| _d0| jd1< d/}n/|tttfv �rfdd | j d d2fg| _ |tk�rdd0| jd1< d S td3|� ���td4t| �� ���d5d | j ||| jffg| _ d S )6Nz<IIr �| zUnsupported header size r �x zIncomplete header: z bytesz<3I� �RGBAz<11I�, z<2Iz<Iz<4I� c S s i | ] \}}|g d �| �qS ))�R�G�B�A� )�.0�i�maskr! r! �4/usr/lib/python3/dist-packages/PIL/DdsImagePlugin.py� <dictcomp>� s z&DdsImageFile._open.<locals>.<dictcomp>� r � ~ �RGB� � � � � �raw�r r r ���r s DXT1�DXT1s DXT3�DXT3r s DXT5�DXT5� s BC5S�BC5S� s DX10� �BC5�BC7� g]t�E�?�gamma)r r r zUnimplemented DXGI format zUnimplemented pixel format �bcn)�struct�unpack�fp�read�OSError�repr�lenr �_size�mode�DDPF_RGB� enumerate�size�tile� pixel_format�DXGI_FORMAT_BC5_TYPELESS�DXGI_FORMAT_BC5_UNORM�DXGI_FORMAT_BC5_SNORM�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�magic� header_size� header_bytes�header�flags�height�width�pitch�depth�mipmaps�pfsize�pfflags�fourcc�bitcount�masks�rawmode� data_start�n� dxgi_formatr! r! r% �_openq s� * � � �zDdsImageFile._openc C s d S )Nr! )rU �posr! r! r% � load_seek� s zDdsImageFile.load_seekN)�__name__� __module__� __qualname__�format�format_descriptionri rk r! r! r! r% r m s Xr c C s� | j dvrtd| j � d���|�tt�td� tttB tB tB t B � t| j � t| j � t| j | j dkr7dnd d d � td � td � td �d td� t| j dkrYt nt � td � t| j dkrhdnd� td � td � td� t| j dkrdnd � tt� td � td � td � td � � | j dkr�| �� \}}}}t�d||||f�} t�| |dd| j d | j d d d� d dffg� d S )N)r) r zcannot write mode z as DDSr r r � r9 r r � r* r+ r, r( r- r. r/ r )rD r@ �write�o32� DDS_MAGIC� DDSD_CAPS� DDSD_HEIGHT� DDSD_WIDTH� DDSD_PITCH�DDSD_PIXELFORMATr[ r\ �DDS_RGBArE �DDSCAPS_TEXTURE�splitr �merger �_saverG )�imr> �filename�r�g�b�ar! r! r% r � sj �����"�� � � � � ������������ 4r c C s | d d� dkS )Nr s DDS r! )�prefixr! r! r% �_accept� s r� z.dds)N�__doc__r< �ior r' r r �_binaryr rt ru rv rw rx ry rz �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_VOLUME�DDPF_ALPHAPIXELS� DDPF_ALPHA� DDPF_FOURCC�DDPF_PALETTEINDEXED8rE �DDPF_LUMINANCE� DDS_FOURCC�DDS_RGBr{ � 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_FOURCCrQ rR rS rJ rK rL rM rN rO r r r� � register_openro � register_save�register_extensionr! r! r! r% �<module> s� `$