godot/doc/classes/EditorResourcePreview.xml

<?xml version="1.0" encoding="UTF-8" ?>
<class name="EditorResourcePreview" inherits="Node" category="Core" version="3.0.alpha.custom_build">
	<brief_description>
		Helper to generate previews of resources or files.
	</brief_description>
	<description>
		This object is used to generate previews for resources of files.
	</description>
	<tutorials>
	</tutorials>
	<demos>
	</demos>
	<methods>
		<method name="add_preview_generator">
			<return type="void">
			</return>
			<argument index="0" name="generator" type="EditorResourcePreviewGenerator">
			</argument>
			<description>
				Create an own, custom preview generator.
			</description>
		</method>
		<method name="check_for_invalidation">
			<return type="void">
			</return>
			<argument index="0" name="path" type="String">
			</argument>
			<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">
			</return>
			<argument index="0" name="resource" type="Resource">
			</argument>
			<argument index="1" name="receiver" type="Object">
			</argument>
			<argument index="2" name="receiver_func" type="String">
			</argument>
			<argument index="3" name="userdata" type="Variant">
			</argument>
			<description>
				Queue a resource being edited for preview (using an instance). Once the preview is ready, your receiver.receiver_func will be called either containing the preview texture or an empty texture (if no preview was possible). Callback must have the format: (path,texture,userdata). Userdata can be anything.
			</description>
		</method>
		<method name="queue_resource_preview">
			<return type="void">
			</return>
			<argument index="0" name="path" type="String">
			</argument>
			<argument index="1" name="receiver" type="Object">
			</argument>
			<argument index="2" name="receiver_func" type="String">
			</argument>
			<argument index="3" name="userdata" type="Variant">
			</argument>
			<description>
				Queue a resource file for preview (using a path). Once the preview is ready, your receiver.receiver_func will be called either containing the preview texture or an empty texture (if no preview was possible). Callback must have the format: (path,texture,userdata). Userdata can be anything.
			</description>
		</method>
		<method name="remove_preview_generator">
			<return type="void">
			</return>
			<argument index="0" name="generator" type="EditorResourcePreviewGenerator">
			</argument>
			<description>
				Remove a custom preview generator.
			</description>
		</method>
	</methods>
	<signals>
		<signal name="preview_invalidated">
			<argument index="0" name="path" type="String">
			</argument>
			<description>
				If a preview was invalidated (changed) this signal will emit (using the path of the preview)
			</description>
		</signal>
	</signals>
	<constants>
	</constants>
</class>