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文件: /usr/lib/python3/dist-packages/PIL/__pycache__/FtexImagePlugin.cpython-311.pyc
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� �"�c � � � d Z ddlZddlmZ ddlmZ ddlmZmZ ddl m Z dZ G d � d e� � Z d � Z G d � d ej � � Zd� Z ej ej ee� � ej ej ddg� � dS )a A Pillow loader for .ftc and .ftu files (FTEX) Jerome Leclanche <jerome@leclan.ch> 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/ Independence War 2: Edge Of Chaos - Texture File Format - 16 October 2001 The textures used for 3D objects in Independence War 2: Edge Of Chaos are in a packed custom format called FTEX. This file format uses file extensions FTC and FTU. * FTC files are compressed textures (using standard texture compression). * FTU files are not compressed. Texture File Format The FTC and FTU texture files both use the same format. This has the following structure: {header} {format_directory} {data} Where: {header} = { u32:magic, u32:version, u32:width, u32:height, u32:mipmap_count, u32:format_count } * The "magic" number is "FTEX". * "width" and "height" are the dimensions of the texture. * "mipmap_count" is the number of mipmaps in the texture. * "format_count" is the number of texture formats (different versions of the same texture) in this file. {format_directory} = format_count * { u32:format, u32:where } The format value is 0 for DXT1 compressed textures and 1 for 24-bit RGB uncompressed textures. The texture data for a format starts at the position "where" in the file. Each set of texture data in the file has the following structure: {data} = format_count * { u32:mipmap_size, mipmap_size * { u8 } } * "mipmap_size" is the number of bytes in that mip level. For compressed textures this is the size of the texture data compressed with DXT1. For 24 bit uncompressed textures, this is 3 * width * height. Following this are the image bytes for that mipmap level. Note: All data is stored in little-Endian (Intel) byte order. � N)�IntEnum)�BytesIO� )�Image� ImageFile)� deprecates FTEXc � � e Zd ZdZdZdS )�Formatr r N)�__name__� __module__� __qualname__�DXT1� UNCOMPRESSED� � �5/usr/lib/python3/dist-packages/PIL/FtexImagePlugin.pyr r @ s � � � � � � �D��L�L�Lr r c �: � t di� � � D ]c\ }}| � |� � rI| t |� � d � } | |j v r)t |� | � �d|j � d| � �� � || c S �ddt � d| � d�}t |� � �)N�FORMAT_� �.zmodule 'z' has no attribute '�')r �items� startswith�len� __members__r r �AttributeError)�name�enum�prefix�msgs r � __getattr__r! E s� � � ��+�1�1�3�3� "� "� ��f� �?�?�6� "� "� "���F� � � � �&�D��t�'�'�'��V�+�T�+�+�R�D�M�1J�1J�D�1J�1J�K�K�K��D�z�!�!�!�� :�X� :� :�4� :� :� :�C� �� � � r c �" � e Zd ZdZdZd� Zd� ZdS )� FtexImageFile�FTEXz Texture File Format (IW2:EOC)c � � t | j � d� � � � sd}t |� � �t j d| j � d� � � � t j d| j � d� � � � | _ t j d| j � d� � � � \ }}d| _ |dk sJ �t j d| j � d� � � � \ }}| j � |� � t j d| j � d� � � � \ }| j � |� � }|t j k r d| _ d d | j z d dfg| _ nF|t j k rd d | j z d d fg| _ n!dt |� � � �}t |� � �| j � � � t# |� � | _ d S )N� znot an FTEX filez<iz<2i� �RGBr �RGBA�bcn)r r r �raw)r( r r z$Invalid texture compression format: )�_accept�fp�read� SyntaxError�struct�unpack�_size�mode�seekr r �size�tiler �repr� ValueError�closer )�selfr � mipmap_count� format_count�format�where� mipmap_size�datas r �_openzFtexImageFile._openT s� � ��t�w�|�|�A���'�'� #�$�C� �c�"�"� "�� �d�D�G�L�L��O�O�,�,�,��]�5�$�'�,�,�q�/�/�:�:�� �%+�]�5�$�'�,�,�q�/�/�%J�%J�"� �l��� � �q� � � � � � �e�T�W�\�\�!�_�_�=�=� ��� �� � �U���� � �t�T�W�\�\�!�_�_�=�=����w�|�|�K�(�(�� �V�[� � � �D�I� ��$�)�!3�Q��:�;�D�I�I� �v�*� *� *� ��$�)�!3�Q� �F�G�D�I�I�G��f� � �G�G�C� �S�/�/� !� �� � �����$�-�-����r c � � d S )Nr )r: �poss r � load_seekzFtexImageFile.load_seekt s � � �r N)r r r r= �format_descriptionrA rD r r r r# r# P s> � � � � � � �F�8�� � � �@ � � � � r r# c �( � | d d� t k S )Nr& )�MAGIC)r s r r, r, x s � � �"�1�"�:�� � r z.ftcz.ftu)�__doc__r0 r r �ior � r r � _deprecater rG r r! r# r, � register_openr= �register_extensionsr r r �<module>rN s# ��3� 3�j � � � � � � � � � � � � � � � � � � � � � � � � !� !� !� !� !� !���� � � � �W� � � � � � �% � % � % � % � % �I�'� % � % � % �P � � � �� �M�(�-�� A� A� A� �� �-�.���0@� A� A� A� A� Ar
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