UnknownObject/quaggaJS
1
0
Fork 0
mirror of https://github.com/serratus/quaggaJS.git synced 2026-08-12 21:21:42 +08:00
Code Issues Packages Projects Releases Wiki Activity

Updated quaggaJS

Browse Source
This commit is contained in:
Christoph Oberhofer
2014-12-20 15:03:10 +01:00
parent c4db1dc054
commit 208f6c943d
1 changed files with 68 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/js/quagga.js
+67 -21
View File
@@ -6855,6 +6855,10 @@ define('events',[],function() {
return events[eventName];
}
function clearEvents(){
events = {};
}
function publishSubscription(subscription, data) {
if (subscription.async) {
setTimeout(function() {
@@ -6865,28 +6869,58 @@ define('events',[],function() {
}
}
function subscribe(event, callback, async) {
var subscription;
if ( typeof callback === "function") {
subscription = {
callback : callback,
async : async
};
} else {
subscription = callback;
if (!subscription.callback) {
throw "Callback was not specified on options";
}
}
getEvent(event).subscribers.push(subscription);
}
return {
subscribe : function(event, callback, async) {
var subscription;
if ( typeof callback === "function") {
subscription = {
callback : callback,
async : async
};
} else {
subscription = callback;
if (!subscription.callback) {
throw "Callback was not specified on options";
}
}
getEvent(event).subscribers.push(subscription);
return subscribe(event, callback, async);
},
publish : function(eventName, data) {
var subscribers = getEvent(eventName).subscribers, i;
for ( i = 0; i < subscribers.length; i++) {
publishSubscription(subscribers[i], data);
var event = getEvent(eventName),
subscribers = event.subscribers;
event.subscribers = subscribers.filter(function(subscriber) {
publishSubscription(subscriber, data);
return !subscriber.once;
});
},
once: function(event, callback, async) {
subscribe(event, {
callback: callback,
async: async,
once: true
});
},
unsubscribe: function(eventName, callback) {
var event;
if (eventName) {
event = getEvent(eventName);
if (event && callback) {
event.subscribers = event.subscribers.filter(function(subscriber){
return subscriber.callback !== callback;
});
} else {
event.subscribers = [];
}
} else {
clearEvents();
}
}
};
@@ -6899,6 +6933,7 @@ define('events',[],function() {
define('camera_access',[],function() {
var streamRef;
/**
* Wraps browser-specific getUserMedia
@@ -6908,6 +6943,7 @@ define('camera_access',[],function() {
*/
function getUserMedia(constraints, success, failure) {
navigator.getUserMedia(constraints, function(stream) {
streamRef = stream;
var videoSrc = (window.URL && window.URL.createObjectURL(stream)) || stream;
success.apply(null, [videoSrc]);
}, failure);
@@ -6985,6 +7021,13 @@ define('camera_access',[],function() {
return {
request : function(video, callback) {
request(video, callback);
},
release : function() {
var tracks = streamRef && streamRef.getVideoTracks();
if (tracks.length) {
tracks[0].stop();
}
streamRef = null;
}
};
});
@@ -7172,8 +7215,8 @@ function(Code128Reader, EANReader, InputStream, ImageWrapper, BarcodeLocator, Ba
}
return {
init : function(config, callback) {
initialize(config, callback);
init : function(config) {
initialize(config);
},
start : function() {
console.log("Start!");
@@ -7181,6 +7224,9 @@ function(Code128Reader, EANReader, InputStream, ImageWrapper, BarcodeLocator, Ba
},
stop : function() {
_stopped = true;
if (_config.inputStream.type === "LiveStream") {
CameraAccess.release();
}
},
onDetected : function(callback) {
Events.subscribe("detected", callback);
@@ -7200,7 +7246,7 @@ function(Code128Reader, EANReader, InputStream, ImageWrapper, BarcodeLocator, Ba
size: 800
};
config.readyFunc = function() {
Events.subscribe("detected", function(result) {
Events.once("detected", function(result) {
_stopped = true;
resultCallback.call(null, result);
}, true);