Attention: Here be dragons (unstable version)

This is the latest (unstable) version of this documentation, which may document features not available in or compatible with released stable versions of Redot.

EditorResourcePreview

Inherits: Node < Object

A node used to generate previews of resources or files.

Description

This node is used to generate previews for resources or files.

Note: This class shouldn't be instantiated directly. Instead, access the singleton using EditorInterface.get_resource_previewer.

Methods

void

add_preview_generator(generator: EditorResourcePreviewGenerator)

void

check_for_invalidation(path: String)

void

queue_edited_resource_preview(resource: Resource, receiver: Object, receiver_func: StringName, userdata: Variant)

void

queue_resource_preview(path: String, receiver: Object, receiver_func: StringName, userdata: Variant)

void

remove_preview_generator(generator: EditorResourcePreviewGenerator)


Signals

preview_invalidated(path: String) 🔗

Emitted if a preview was invalidated (changed). path corresponds to the path of the preview.


Method Descriptions

void add_preview_generator(generator: EditorResourcePreviewGenerator) 🔗

Create an own, custom preview generator.


void check_for_invalidation(path: String) 🔗

Check if the resource changed, if so, it will be invalidated and the corresponding signal emitted.


void queue_edited_resource_preview(resource: Resource, receiver: Object, receiver_func: StringName, userdata: Variant) 🔗

Queue the resource being edited for preview. Once the preview is ready, the receiver's receiver_func will be called. The receiver_func must take the following four arguments: String path, Texture2D preview, Texture2D thumbnail_preview, Variant userdata. userdata can be anything, and will be returned when receiver_func is called.

Note: If it was not possible to create the preview the receiver_func will still be called, but the preview will be null.


void queue_resource_preview(path: String, receiver: Object, receiver_func: StringName, userdata: Variant) 🔗

Queue a resource file located at path for preview. Once the preview is ready, the receiver's receiver_func will be called. The receiver_func must take the following four arguments: String path, Texture2D preview, Texture2D thumbnail_preview, Variant userdata. userdata can be anything, and will be returned when receiver_func is called.

Note: If it was not possible to create the preview the receiver_func will still be called, but the preview will be null.


void remove_preview_generator(generator: EditorResourcePreviewGenerator) 🔗

Removes a custom preview generator.