This API is available on Firefox OS for privileged or certified applications only.
Summary
The maxMeteringAreas property is a number that defines the maximum number of metering areas supported by the camera.
Syntax
var max = instanceOfCameraControl.capabilities.maxMeteringAreas
Value
Return a number.
Example
var options = {
camera: navigator.mozCameras.getListOfCameras()[0]
};
function onSuccess(camera) {
console.log(camera.capabilities.maxMeteringAreas);
};
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.