EditorResourcePreview

继承： Node < Object

A node used to generate previews of resources or files.

描述

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.

方法

信号

preview_invalidated ( path: String )

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

方法说明

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.