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105 lines
6.8 KiB
ReStructuredText
105 lines
6.8 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/4.4/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/4.4/doc/classes/ImageFormatLoaderExtension.xml.
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.. _class_ImageFormatLoaderExtension:
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ImageFormatLoaderExtension
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==========================
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**继承：** :ref:`ImageFormatLoader<class_ImageFormatLoader>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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用于创建 :ref:`ImageFormatLoader<class_ImageFormatLoader>` 扩展的基类（添加对额外图像格式的支持）。
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.. rst-class:: classref-introduction-group
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描述
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----
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该引擎支持多种开箱即用的图像格式（PNG、SVG、JPEG、WebP 等），但也可以选择通过扩展该类，来实现对其他图像格式的支持。
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请务必遵守文档中的返回类型和值。应该创建它的一个实例，并在初始化阶段调用 :ref:`add_format_loader()<class_ImageFormatLoaderExtension_method_add_format_loader>` 来注册该加载器。
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.. rst-class:: classref-reftable-group
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方法
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----
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.. table::
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:widths: auto
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+---------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`PackedStringArray<class_PackedStringArray>` | :ref:`_get_recognized_extensions<class_ImageFormatLoaderExtension_private_method__get_recognized_extensions>`\ (\ ) |virtual| |const| |
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+---------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`_load_image<class_ImageFormatLoaderExtension_private_method__load_image>`\ (\ image\: :ref:`Image<class_Image>`, fileaccess\: :ref:`FileAccess<class_FileAccess>`, flags\: |bitfield|\[:ref:`LoaderFlags<enum_ImageFormatLoader_LoaderFlags>`\], scale\: :ref:`float<class_float>`\ ) |virtual| |
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+---------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`add_format_loader<class_ImageFormatLoaderExtension_method_add_format_loader>`\ (\ ) |
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+---------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`remove_format_loader<class_ImageFormatLoaderExtension_method_remove_format_loader>`\ (\ ) |
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+---------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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方法说明
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--------
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.. _class_ImageFormatLoaderExtension_private_method__get_recognized_extensions:
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.. rst-class:: classref-method
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:ref:`PackedStringArray<class_PackedStringArray>` **_get_recognized_extensions**\ (\ ) |virtual| |const| :ref:`🔗<class_ImageFormatLoaderExtension_private_method__get_recognized_extensions>`
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返回该图像格式的文件扩展名列表。具有给定扩展名的文件将被视为图像文件并使用该类加载。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImageFormatLoaderExtension_private_method__load_image:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **_load_image**\ (\ image\: :ref:`Image<class_Image>`, fileaccess\: :ref:`FileAccess<class_FileAccess>`, flags\: |bitfield|\[:ref:`LoaderFlags<enum_ImageFormatLoader_LoaderFlags>`\], scale\: :ref:`float<class_float>`\ ) |virtual| :ref:`🔗<class_ImageFormatLoaderExtension_private_method__load_image>`
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将 ``fileaccess`` 的内容加载至提供的 ``image``\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImageFormatLoaderExtension_method_add_format_loader:
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.. rst-class:: classref-method
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|void| **add_format_loader**\ (\ ) :ref:`🔗<class_ImageFormatLoaderExtension_method_add_format_loader>`
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将这个格式加载器添加至引擎，使其能够识别 :ref:`_get_recognized_extensions()<class_ImageFormatLoaderExtension_private_method__get_recognized_extensions>` 返回的文件扩展名。
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.. rst-class:: classref-item-separator
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----
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.. _class_ImageFormatLoaderExtension_method_remove_format_loader:
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.. rst-class:: classref-method
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|void| **remove_format_loader**\ (\ ) :ref:`🔗<class_ImageFormatLoaderExtension_method_remove_format_loader>`
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从引擎中移除这个格式加载器。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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.. |const| replace:: :abbr:`const (本方法无副作用，不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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