Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

PAPER2FAlphaBitmap::IsRegionEmpty

Is the rectangle empty (X0..X1, Y0..Y1 inclusive)

Windows

MacOS

Linux

References

Module	Paper2D
Header	/Engine/Plugins/2D/Paper2D/Source/Paper2D/Public/AlphaBitmap.h
Include	#include "AlphaBitmap.h"

Syntax

bool IsRegionEmpty
(
    int32 X0,
    int32 Y0,
    int32 X1,
    int32 Y1
)

Remarks

Is the rectangle empty (X0..X1, Y0..Y1 inclusive)

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss