ScaleAnimation
Animation class for controlling scaling, which inherits from Animation.
Model restriction: This API can be used only in the stage model.
Atomic service API: This API can be used in atomic services since version 4.1.0(11).
System capability: SystemCapability.Map.Core
Since: 4.1.0(11)
[h2]constructor
constructor(fromX: number, toX: number, fromY: number, toY: number)
Constructor, which is used to construct an animation instance for scale control.
The value 0 indicates that the animation scales down and disappears.
The value 1 indicates no animation scaling.
A value less than 1 indicates that the animation scales down.
A value greater than 1 indicates that the animation scales up.
Model restriction: This API can be used only in the stage model.
Atomic service API: This API can be used in atomic services since version 4.1.0(11).
System capability: SystemCapability.Map.Core
Since: 4.1.0(11)
Parameters:
| Name | Type | Mandatory | Description |
|---|---|---|---|
| fromX | number | Yes | Horizontal scale factor applied when the animation starts. Negative values are treated as 0, and invalid values are not processed. |
| toX | number | Yes | Horizontal scale factor applied when the animation ends. Negative values are treated as 0, and invalid values are not processed. |
| fromY | number | Yes | Vertical scale factor applied when the animation starts. Negative values are treated as 0, and invalid values are not processed. |
| toY | number | Yes | Vertical scale factor applied when the animation ends. Negative values are treated as 0, and invalid values are not processed. |
Example:
let animation: map.ScaleAnimation = new map.ScaleAnimation(1, 3, 1, 3);