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
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.