CameraCapabilities.zoomRatios

This API is available on Firefox OS for privileged or certified applications only.

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

JavaScript
var zooms = instanceOfCameraControl.capabilities.zoomRatios

Value

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

Example

JavaScript
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

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/cameracapabilities/zoomratios

API B2G Camera camera Firefox OS Graphics JavaScript Property Reference Référence WebAPI