PinchGesture — Kuito Documentation

Usage

Apply a pinch's change in scale.

This type is used by pinch

tsx

// Apply a pinch's change in scale.
import { Text, pinch, signal, type PinchChangeEvent } from 'kuito';

const fontSize = signal(17);

// Text size follows the pinch, between 12 and 34 points.
const resize = (event: PinchChangeEvent) => {
  fontSize.value = Math.min(34, Math.max(12, fontSize.value * event.scaleChange));
};

<Text fontSize={fontSize.value} gestures={[pinch({ onChange: resize })]}>
  Pinch to resize
</Text>;

Type declaration

export interface PinchGesture extends Gesture {
  /** Its scale, multiplying what the follower was when it activated. */
  readonly scale: GestureSource;
}

Members 8

Name	Type	Required	Description
`scale`readonly	`GestureSource`	Yes	Its scale, multiplying what the follower was when it activated.
`type`readonly	`GestureType`	Yes	—
`kind`readonly	`GestureKind`	Yes	—
`config`readonly	`Readonly<Record<string, unknown>>`	Yes	—
`callbacks`readonly	`Readonly<Callbacks<never, never>>`	Yes	—
`releasing`readonly	`Animation<unknown>`	No	How the motion values following it let go when it ends.
`release`	`(animation: Animation<unknown>) => PinchGesture`	Yes	The same gesture, letting go with `animation`: each follower runs it with the gesture's velocity, toward its own home (its first value) unless the animation names a target.
`active`readonly	`GestureSource`	Yes	1 while it is active, 0 otherwise.

release — method signatures

Signatures

(animation: Animation<unknown>): PinchGesture

Parameters

Name	Type	Required	Description
`animation`	`Animation<unknown>`	Yes	—

Returns

PinchGesture

Generated from the public TypeScript declarations: signatures, props and defaults come from the checked source, descriptions from its JSDoc. No defaults are invented.