Categories

'touchzoom' Special Event

Categories: Touch Events

.bind( 'touchzoom', ... )

Plugin: jQuery.event.special.touch

Description: Bind special zoom event on touch interaction.

  • .bind( 'touchzoom', ... )

    version added: 1.0

This .bind() implements a simple bind to the touchzoom interaction.

The touchzoom event fires if the user drag together / apart two fingers.

The recieved event object on touchzoom includes advanced properties:

  • event.zoomDelta A float value which represents the diagonal pixel distance between the last and current distance of the fingers.
  • event.zoomDeltaX A float value which represents the pixel distance between the last and current distance of the fingers on the x-axis.
  • event.zoomDeltaY A float value which represents the pixel distance between the last and current distance of the fingers on the y-axis.

See the .bind() and .unbind() method references for a way to bind/unbind event handlers.