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This package is a barcode and qr code scanner jQuery plugin.
It takes a given canvas element and makes it show the image of a Webcam.
The plugin can detect and scan the value of a barcode or qr code presented in the front of the webcam. A callback function is invoked when the image is barcode or qr code is decoded.
The plugin can also control the captured zoom level, image brightness, contrast, sharpness, threshold, etc..
It takes a given canvas element and makes it show the image of a Webcam.
The plugin can detect and scan the value of a barcode or qr code presented in the front of the webcam. A callback function is invoked when the image is barcode or qr code is decoded.
The plugin can also control the captured zoom level, image brightness, contrast, sharpness, threshold, etc..
Details
WebCodeCam jQuery-plugin
WebCodeCam is a jQuery plugin for barcode and qr-code reading .
- Very simple usage
- Some option for optimal result
- Quick implementation
This plugin is no longer supported. Please check out the new version : * [WebCodeCamJS]
- [WebCodeCam] - Online Demo
<img src = "demo.png"/>
This plugin is no longer supported. Please check out the new version : * [WebCodeCamJS]
Version
1.0.0
- add callback for errors (issues 07)
- add camreaStopAll function for stop all streams (pull req. Camera stop all #3)
- refactor variables
- some invisible modification
2015-05-17
Version
0.1.0
- add a new option: video source selector
Version
0.0.6
- add a new option: set the video resource maximum resolution.
- add new demo with setting.
Version
0.0.1
Included decoders
barcode decoder ([DecoderWorker.js])
qr-decoder ([qrcodelib.js])
Required HTML & Javascript example
<html>
<head>
<style type="text/css">
.scanner-laser{
position: absolute;
margin: 40px;
height: 30px;
width: 30px;
}
.laser-leftTop{
top: 0;
left: 0;
border-top: solid red 5px;
border-left: solid red 5px;
}
.laser-leftBottom{
bottom: 0;
left: 0;
border-bottom: solid red 5px;
border-left: solid red 5px;
}
.laser-rightTop{
top: 0;
right: 0;
border-top: solid red 5px;
border-right: solid red 5px;
}
.laser-rightBottom{
bottom: 0;
right: 0;
border-bottom: solid red 5px;
border-right: solid red 5px;
}
</style>
</head>
<body>
<div style="position: relative;display: inline-block;">
<canvas id="qr-canvas" width="320" height="240"></canvas> // id="qr-canvas" is important!
<div class="scanner-laser laser-rightBottom" style="opacity: 0.5;"></div>
<div class="scanner-laser laser-rightTop" style="opacity: 0.5;"></div>
<div class="scanner-laser laser-leftBottom" style="opacity: 0.5;"></div>
<div class="scanner-laser laser-leftTop" style="opacity: 0.5;"></div>
</div>
</body>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/qrcodelib.js"></script>
<script type="text/javascript" src="js/WebCodeCam.js"></script>
<script type="text/javascript">
// defalut-settings
$('#qr-canvas').WebCodeCam({
ReadQRCode: true, // false or true
ReadBarecode: true, // false or true
width: 320,
height: 240,
videoSource: {
id: true, //default Videosource
maxWidth: 640, //max Videosource resolution width
maxHeight: 480 //max Videosource resolution height
},
flipVertical: false, // false or true
flipHorizontal: false, // false or true
zoom: -1, // if zoom = -1, auto zoom for optimal resolution else int
beep: "js/beep.mp3", // string, audio file location
autoBrightnessValue: false, // functional when value autoBrightnessValue is int
brightness: 0, // int
grayScale: false, // false or true
contrast: 0, // int
threshold: 0, // int
sharpness: [], //or matrix, example for sharpness -> [0, -1, 0, -1, 5, -1, 0, -1, 0]
resultFunction: function(resText, lastImageSrc) {
/* resText as decoded code, lastImageSrc as image source
example:
alert(resText);
*/
},
getUserMediaError: function() {
/* callback funtion to getUserMediaError
example:
alert('Sorry, the browser you are using doesn\'t support getUserMedia');
*/
},
cameraError: function(error) {
/* callback funtion to cameraError,
example:
var p, message = 'Error detected with the following parameters:\n';
for (p in error) {
message += p + ': ' + error[p] + '\n';
}
alert(message);
*/
}
});
</script>
</html>
License
MIT
Author: Tóth András
http://atandrastoth.co.uk/
2014-11-01
[WebCodeCamJS]:https://github.com/andrastoth/webcodecamjs [WebCodeCam]:http://atandrastoth.co.uk/main/pages/plugins/codereader/ [DecoderWorker.js]:https://github.com/EddieLa/BarcodeReader [qrcodelib.js]:https://github.com/LazarSoft/jsqrcode
| Classes of Andras Toth | > | WebCodeCam | > |  Download .zip .tar.gz |
> |  Support forum (5) |
> |  Blog |
> |   Latest changes |
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| Innovation Award |
 November 2014 Winner Prize: One downloadable e-book of choice by O'Reilly |
Barcode and Qr code are graphic signs that are often used to represent long identification codes and text in a way that can be quickly scanned by reader devices. This jQuery plugin can scan a barcode or qr code presented in front of a webcam. The codes are decode and made available to a Web application, so it can be processed according to its needs. Manuel Lemos |
| User ratings |
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |
|---|---|---|---|---|---|---|---|---|
| All time: | Good (83%) | Perfect (100%) | Good (83%) | Perfect (100%) | - | - | Sufficient (69%) | 14 |
| Month: | Not yet rated by the users | |||||||
| Applications that use this package |
| homepage homepage |
If you know an application of this package, send a message to the author to add a link here.
| Files |
| File | Role | Description | ||
|---|---|---|---|---|
| js (5 files) |
||||
 AUTHORS.txt |
Data | Documentation | ||
| demo.png |
Icon | Icon image | ||
| index.html |
Example | Documentation | ||
| MIT-License.txt |
Lic. | Documentation | ||
| README.md |
Doc. | Auxiliary data | ||
| Files |
/ | js |
| File | Role | Description |
|---|---|---|
| DecoderWorker.js |
Aux. | Application script |
| main.js |
Example | Example script |
| qrcodelib.js |
Class | Application script |
| WebCodeCam.js |
Class | Class source |
| WebCodeCam.min.js |
Class | Class source |
 Install with Composer - Download all files: webcodecam.tar.gz webcodecam.zipNOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.
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