CameraCapabilities.zoomRatios

Summary

The zoomRatios property is an Array of numbers representing all the supported zoom ratios. If the camera has no zoom capabilities, the value is null.

Syntax

var zooms = instanceOfCameraControl.capabilities.zoomRatios

Value

Return an Array of numbers, or null if the camera has no zoom capabilities.

Example

var options = {
  camera: navigator.mozCameras.getListOfCameras()[0]
};
 
function onSuccess(camera) {
  var zooms = camera.capabilities.zoomRatios;

  if (Array.isArray(zooms)) {
    zooms.forEach(function (value) {
      console.log(value)
    });
  }
};

navigator.mozCameras.getCamera(options, onSuccess)

Specification

Not part of any specification; however, this API should be removed when the WebRTC Capture and Stream API has been implemented.

See also

• CameraCapabilities
• CameraControl
• CameraManager