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
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var zooms = instanceOfCameraControl.capabilities.zoomRatios
Value
Return an Array
of numbers, or null
if the camera has no zoom capabilities.
Example
JavaScript
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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