FMX.Types.TCustomGestureCollectionItem.Deviation
Delphi
property Deviation: Integer read GetDeviation write SetDeviation default 20;
C++
__property int Deviation = {read=GetDeviation, write=SetDeviation, default=20};
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| property | public | FMX.Types.pas FMX.Types.hpp |
FMX.Types | TCustomGestureCollectionItem |
Description
Specifies the degree of accuracy (closeness) required so that a gesture is recognized after being drawn.
Use the value of the Deviation property to specify how close a collection point in a user-drawn gesture must be to the corresponding point in a saved gesture for the gesture to be recognized. Picture a gesture with each point in the collection surrounded by a circle. To be recognized, a collection point in a user-drawn gesture must lie within the circle of a sample point in the saved gesture. As the deviation is increased, the circles decrease in radius.