WebCodeCam is a jQuery plugin for barcode and qr-code reading .
- Very simple usage
- Some option for optimal result
- Quick implementation
- WebCodeCam - Online Demo
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: 320 * 3 / 4, 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 alert(resText); } }); </script> </html>
MIT
2014年11月01日