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FAssetThumbnailPool

Utility class for keeping track of, rendering, and recycling thumbnails rendered in Slate

Windows

MacOS

Linux

Inheritance Hierarchy

FTickableObjectBase

FTickableEditorObject

FAssetThumbnailPool

References

Module	UnrealEd
Header	/Engine/Source/Editor/UnrealEd/Public/AssetThumbnail.h
Include	#include "AssetThumbnail.h"

Syntax

class FAssetThumbnailPool : public FTickableEditorObject

Remarks

Utility class for keeping track of, rendering, and recycling thumbnails rendered in Slate

Constructors

	Name	Description
	FAssetThumbnailPool ( uint32 InNumInPool, const TAttribute< bool >& InAreRea..., double InMaxFrameTimeAllowance, uint32 InMaxRealTimeThumbnailsPerFr... )	Constructor

Destructors

	Name	Description
	~FAssetThumbnailPool()	Destructor to free all remaining resources

Functions

	Name	Description
FSlateTextur...	AccessTexture ( const FAssetData& AssetData, uint32 Width, uint32 Height )	Accesses the texture for an object.
void	AddReferencer ( const FAssetThumbnail& AssetThumbn... )	Adds a referencer to keep textures around as long as they are needed
bool	IsInRenderStack ( const TSharedPtr< FAssetThumbnail >... )	Returns true if the thumbnail for the specified asset in the specified size is in the stack of thumbnails to render
bool	IsRendered ( const TSharedPtr< FAssetThumbnail >... )	Returns true if the thumbnail for the specified asset in the specified size has been rendered
FThumbnailRe...	OnThumbnailRendered()
FThumbnailRe...	OnThumbnailRenderFailed()
void	PrioritizeThumbnails ( const TArray< TSharedPtr< FAssetThu..., uint32 Width, uint32 Height )	Brings all items in ThumbnailsToPrioritize to the front of the render stack if they are actually in the stack
void	RefreshThumbnail ( const TSharedPtr< FAssetThumbnail >... )	Re-renders the specified thumbnail
void	RemoveReferencer ( const FAssetThumbnail& AssetThumbn... )	Removes a referencer to clean up textures that are no longer needed

Overridden from FTickableObjectBase

	Name	Description
TStatId	GetStatId()	Return the stat id to use for this tickable
bool	IsTickable()	Checks if any new thumbnails are queued
void	Tick ( float DeltaTime )	Ticks the pool, rendering new thumbnails as needed

Classes

	Name	Description
	FThumbnailRendered	Register/Unregister a callback for when thumbnails are rendered
	FThumbnailRenderFailed	Register/Unregister a callback for when thumbnails fail to render

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