[Overview][Types][Classes][Procedures and functions][Index] Reference for unit 'LazRegions' (#lcl)

TLazRegionEllipse.IsPointInPart

Indicates if the specified point is located inside the elliptical area for the region.

Declaration

Source position: lazregions.pas line 51

public function TLazRegionEllipse.IsPointInPart(

  AX: Integer;

  AY: Integer

):Boolean; override;

Arguments

AX

  

Horizontal coordinate for the point.

AY

  

Vertical coordinate for the point.

Function result

True when the specified point is located inside the area for the ellipse.

Description

The equation for the inner area of an axis aligned ellipse is: 

(X/a)^2 + (Y/b)^2 <= 1
Version 4.0 Generated 2025-05-03 Home