Merge pull request onemightyroar#3 from onemightyroar/develop

Documented parameters

Author: zachdunn

README.md

@@ -14,18 +14,25 @@ An Angular directive for easily taking pictures from your webcam.
 ```html
 <ng-camera
   type="photo"
-  enabled="cameraActive"
+  enabled="true"
   width="640"
   height="480"
   countdown="3"
   ng-model="media"
-  overlay-src="photoFrame"
-  capture="publish()"
-  capture-message="SMILE!"></ng-camera>
+  overlay-src="http://example.com/photo-frame.png"
+  capture="callback(media)"
+  capture-message="Go!"></ng-camera>
 ```
 
-The captured photo will save a Base64 version of itself to the ng-model's definition. Overlay an optional picture frame via `overlay-src` to have it stitched onto the final image.
-
-More extensive documentation to follow.
+### Options
+* `type` _string_ Type of media the capture (photo, video, gif). Photo is currently the only one supported
+* `enabled` _boolean_ Enables or disables the stream by turning on/off webcam access
+* `width` _integer_ Width in pixels for the video feed
+* `height` _integer_ Height in pixels for the video feed
+* `countdown` _integer_ Countdown time in seconds. Zero is replaced with `capture-message` text.
+* `ng-model` _object_ Scope variable to data-bind resulting Base64-encoded image
+* `overlay-src` _string_ Optional. Reference to image frame to overlay onto media. Automatically resizes to fit canvas.
+* `capture` _function_ Callback for "Take Picture" button for use in parent scope. Passes Base64-encoded output as parameter
+* `capture-message` _string_ Optional. Text to show during countdown instead of "0" 
 
 _Built by [Zach Dunn](https://github.com/zachdunn) from work on the [Robin Platform](http://getrobin.com)_