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43 lines
2.0 KiB
XML
43 lines
2.0 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="ImageFormatLoaderExtension" inherits="ImageFormatLoader" version="4.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Base class for creating [ImageFormatLoader] extensions (adding support for extra image formats).
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</brief_description>
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<description>
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The engine supports multiple image formats out of the box (PNG, SVG, JPEG, WebP to name a few), but you can choose to implement support for additional image formats by extending this class.
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Be sure to respect the documented return types and values. You should create an instance of it, and call [method add_format_loader] to register that loader during the initialization phase.
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="_get_recognized_extensions" qualifiers="virtual const">
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<return type="PackedStringArray" />
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<description>
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Returns the list of file extensions for this image format. Files with the given extensions will be treated as image file and loaded using this class.
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</description>
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</method>
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<method name="_load_image" qualifiers="virtual">
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<return type="int" enum="Error" />
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<param index="0" name="image" type="Image" />
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<param index="1" name="fileaccess" type="FileAccess" />
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<param index="2" name="flags" type="int" enum="ImageFormatLoader.LoaderFlags" />
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<param index="3" name="scale" type="float" />
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<description>
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Loads the content of [param fileaccess] into the provided [param image].
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</description>
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</method>
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<method name="add_format_loader">
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<return type="void" />
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<description>
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Add this format loader to the engine, allowing it to recognize the file extensions returned by [method _get_recognized_extensions].
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</description>
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</method>
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<method name="remove_format_loader">
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<return type="void" />
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<description>
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Remove this format loader from the engine.
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</description>
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</method>
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</methods>
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</class>
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