FMX.Gestures.TCustomGestureRecognizer.IsScratchout
Delphi
class function IsScratchout(const Points: array of TPointF; GestureID: TGestureID;
const Deviation, ErrorMargin: Integer; var Percentages: array of Double): Integer; static;
C++
static int __fastcall IsScratchout(const System::Types::TPointF *Points, const int Points_High, Fmx::Types::TGestureID GestureID, const int Deviation, const int ErrorMargin, double *Percentages, const int Percentages_High);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | protected | FMX.Gestures.pas FMX.Gestures.hpp |
FMX.Gestures | TCustomGestureRecognizer |
Description
Returns the probability that the incoming points are a "Scratch-out".
IsScratchout takes the following parameters:
| Parameter | Description |
|---|---|
Points
|
The array of incoming normalized points ready to be processed by the recognizer. |
GestureID
|
The ID of the expected gesture. |
Deviation
|
The maximum allowed deviation. |
ErrorMargin
|
The maximum allowed error margin. |
Percentages
|
Used internally to see the probability that certain points belong to the gesture. |