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 :
-
WebCodeCam - Online Demo
This plugin is no longer supported. Please check out the new 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
0.1.0
- add a new option: video source selector
0.0.6
- add a new option: set the video resource maximum resolution.
- add new demo with setting.
0.0.1
barcode decoder (DecoderWorker.js)
qr-decoder (qrcodelib.js)
<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>
MIT
2014-11-01
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