FGeometry::LocalToAbsolute

function SlateCore Since 4.0

#include "Layout/Geometry.h"

Access: public Specifiers: inlineconst

Description

Transforms a point from this widget's local space into absolute (screen or window) space by applying the accumulated render transform.

Caveats & Gotchas

• Uses the accumulated render transform, not just the layout transform — if the widget has a render-only rotation or skew, the result differs from what you'd get by multiplying Scale and AbsolutePosition manually.
• The returned absolute space can be window-relative or desktop-relative depending on how the root widget was set up. Pass the result to a USlateBlueprintLibrary viewport conversion function if you need viewport pixel coordinates.
• Inverting the transform is done by AbsoluteToLocal, which involves a matrix inverse and is slightly more expensive than LocalToAbsolute.

Signature

inline UE::Slate::FDeprecateVector2DResult LocalToAbsolute(UE::Slate::FDeprecateVector2DParameter LocalCoordinate) const

Parameters

Name	Type	Description	Default
LocalCoordinate	UE::Slate::FDeprecateVector2DParameter	A point in the widget's local space, where (0,0) is the widget's top-left corner.	—

Return Type

UE::Slate::FDeprecateVector2DResult

Example

Convert widget center to absolute space C++

// In an OnPaint override or event handler where MyGeometry is available:
FVector2f Center = FVector2f(MyGeometry.GetLocalSize()) * 0.5f;
FVector2f AbsCenter = FVector2f(MyGeometry.LocalToAbsolute(Center));
UE_LOG(LogTemp, Log, TEXT("Widget center in absolute space: %s"), *AbsCenter.ToString());

Version History

Introduced in: 4.0

Version	Status	Notes
5.6	stable	—
5.5	stable	—

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