FTrackEditorThumbnail | Unreal Engine 5.7 Documentation

Track Editor Thumbnail, which keeps a Texture to be displayed by a viewport.


Name	FTrackEditorThumbnail
Type	class
Header File	/Engine/Source/Editor/MovieSceneTools/Public/TrackEditorThumbnail/TrackEditorThumbnail.h
Include Path	#include "TrackEditorThumbnail/TrackEditorThumbnail.h"

Syntax

class FTrackEditorThumbnail :  
    public ISlateViewport ,  
    public TSharedFromThis< FTrackEditorThumbnail >

Name	Remarks	Include Path	Unreal Specifiers
FTrackEditorThumbnail ( const FOnThumbnailDraw& InOnDraw, const FIntPoint& InDesiredSize, TRange< double > InTimeRange, double InPosition )	Create and initialize a new instance.	TrackEditorThumbnail/TrackEditorThumbnail.h

Name	Remarks	Include Path	Unreal Specifiers
virtual ~FTrackEditorThumbnail()	Virtual destructor.	TrackEditorThumbnail/TrackEditorThumbnail.h

Name	Type	Remarks	Include Path
bHasFinishedDrawing	FThreadSafeBool	True when this thumbnail has been drawn, false otherwise	TrackEditorThumbnail/TrackEditorThumbnail.h
bIgnoreAlpha	bool	True to ignore alpha on this thumbnail	TrackEditorThumbnail/TrackEditorThumbnail.h
SortOrder	int32	Sort order for this thumbnail	TrackEditorThumbnail/TrackEditorThumbnail.h

Name	Type	Remarks	Include Path
DesiredSize	FIntPoint	The desired size of the thumbnail on the actual UI (Not necessarily the same size as the texture)	TrackEditorThumbnail/TrackEditorThumbnail.h
FadeInCurve	FCurveSequence	Fade curve to display while the thumbnail is redrawing.	TrackEditorThumbnail/TrackEditorThumbnail.h
OnDraw	FOnThumbnailDraw	Delegate to use to draw the thumbnail.	TrackEditorThumbnail/TrackEditorThumbnail.h
Position	double	The position we should actually render (within the above time range).	TrackEditorThumbnail/TrackEditorThumbnail.h
ThumbnailRenderTarget	FSlateTextureRenderTarget2DResource *	The texture render target used for 3D rendering on to the texture. May be null.	TrackEditorThumbnail/TrackEditorThumbnail.h
ThumbnailTexture	FSlateTexture2DRHIRef *	The Texture RHI that holds the thumbnail.	TrackEditorThumbnail/TrackEditorThumbnail.h
TimeRange	TRange< double >	Where in time this thumbnail is a rendering of.	TrackEditorThumbnail/TrackEditorThumbnail.h

Name	Remarks	Include Path
void AssignFrom ( TSharedRef< FSlateTextureData, ESPMode::ThreadSafe > InTextureData )	Assign this thumbnail from a slate texture.	TrackEditorThumbnail/TrackEditorThumbnail.h
void DestroyTexture()	Destroy the texture on the next tick	TrackEditorThumbnail/TrackEditorThumbnail.h
void DrawThumbnail()	Renders the thumbnail to the texture.	TrackEditorThumbnail/TrackEditorThumbnail.h
FIntPoint GetDesiredSize()	Get the desired size for this thumbnail on the UI	TrackEditorThumbnail/TrackEditorThumbnail.h
double GetEvalPosition()	Get the time at which this thumbnail should be drawn	TrackEditorThumbnail/TrackEditorThumbnail.h
float GetFadeInCurve()	Gets the curve for fading in the thumbnail.	TrackEditorThumbnail/TrackEditorThumbnail.h
FSlateTextureRenderTarget2DResource * GetRenderTarget()	Access the (potentially null) render target to be used for rendering onto this thumbnail	TrackEditorThumbnail/TrackEditorThumbnail.h
const TRange< double > GetTimeRange()	Get the full time-range that this thumbnail occupies	TrackEditorThumbnail/TrackEditorThumbnail.h
void PlayFade()		TrackEditorThumbnail/TrackEditorThumbnail.h
void ResizeRenderTarget ( const FIntPoint& InSize )	Ensure that this thumbnail has a render target of the specified size	TrackEditorThumbnail/TrackEditorThumbnail.h
void SetupFade ( const TSharedRef< SWidget >& InWidget )	Prompt this thumbnail to fade in	TrackEditorThumbnail/TrackEditorThumbnail.h

Name	Remarks	Include Path	Unreal Specifiers
virtual FIntPoint GetSize()		TrackEditorThumbnail/TrackEditorThumbnail.h
virtual FSlateShaderResource * GetViewportRenderTargetTexture()		TrackEditorThumbnail/TrackEditorThumbnail.h
virtual bool RequiresVsync()		TrackEditorThumbnail/TrackEditorThumbnail.h