<?xml version="1.0" encoding="UTF-8" ?>
<class name="EditorResourcePreview" inherits="Node" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
<brief_description>
A node used to generate previews of resources or files.
</brief_description>
<description>
This node is used to generate previews for resources or files.
[b]Note:[/b] This class shouldn't be instantiated directly. Instead, access the singleton using [method EditorInterface.get_resource_previewer].
</description>
<tutorials>
</tutorials>
<methods>
<method name="add_preview_generator">
<return type="void" />
<param index="0" name="generator" type="EditorResourcePreviewGenerator" />
<description>
Create an own, custom preview generator.
</description>
</method>
<method name="check_for_invalidation">
<return type="void" />
<param index="0" name="path" type="String" />
<description>
Check if the resource changed, if so, it will be invalidated and the corresponding signal emitted.
</description>
</method>
<method name="queue_edited_resource_preview">
<return type="void" />
<param index="0" name="resource" type="Resource" />
<param index="1" name="receiver" type="Object" />
<param index="2" name="receiver_func" type="StringName" />
<param index="3" name="userdata" type="Variant" />
<description>
Queue the [param resource] being edited for preview. Once the preview is ready, the [param receiver]'s [param receiver_func] will be called. The [param receiver_func] must take the following four arguments: [String] path, [Texture2D] preview, [Texture2D] thumbnail_preview, [Variant] userdata. [param userdata] can be anything, and will be returned when [param receiver_func] is called.
[b]Note:[/b] If it was not possible to create the preview the [param receiver_func] will still be called, but the preview will be [code]null[/code].
</description>
</method>
<method name="queue_resource_preview">
<return type="void" />
<param index="0" name="path" type="String" />
<param index="1" name="receiver" type="Object" />
<param index="2" name="receiver_func" type="StringName" />
<param index="3" name="userdata" type="Variant" />
<description>
Queue a resource file located at [param path] for preview. Once the preview is ready, the [param receiver]'s [param receiver_func] will be called. The [param receiver_func] must take the following four arguments: [String] path, [Texture2D] preview, [Texture2D] thumbnail_preview, [Variant] userdata. [param userdata] can be anything, and will be returned when [param receiver_func] is called.
[b]Note:[/b] If it was not possible to create the preview the [param receiver_func] will still be called, but the preview will be [code]null[/code].
</description>
</method>
<method name="remove_preview_generator">
<return type="void" />
<param index="0" name="generator" type="EditorResourcePreviewGenerator" />
<description>
Removes a custom preview generator.
</description>
</method>
</methods>
<signals>
<signal name="preview_invalidated">
<param index="0" name="path" type="String" />
<description>
Emitted if a preview was invalidated (changed). [param path] corresponds to the path of the preview.
</description>
</signal>
</signals>
</class>
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