<html>
<head>
<title>QRCODE</title>
<style type="text/css">
</style>
<script type="text/javascript" src="grid.js"></script>
<script type="text/javascript" src="version.js"></script>
<script type="text/javascript" src="detector.js"></script>
<script type="text/javascript" src="formatinf.js"></script>
<script type="text/javascript" src="errorlevel.js"></script>
<script type="text/javascript" src="bitmat.js"></script>
<script type="text/javascript" src="datablock.js"></script>
<script type="text/javascript" src="bmparser.js"></script>
<script type="text/javascript" src="datamask.js"></script>
<script type="text/javascript" src="rsdecoder.js"></script>
<script type="text/javascript" src="gf256poly.js"></script>
<script type="text/javascript" src="gf256.js"></script>
<script type="text/javascript" src="decoder.js"></script>
<script type="text/javascript" src="qrcode.js"></script>
<script type="text/javascript" src="findpat.js"></script>
<script type="text/javascript" src="alignpat.js"></script>
<script type="text/javascript" src="databr.js"></script>
<script type="text/javascript">
var gCtx = null;
var gCanvas = null;
var imageData = null;
var ii=0;
var jj=0;
var c=0;
function dragenter(e) {
e.stopPropagation();
e.preventDefault();
}
function dragover(e) {
e.stopPropagation();
e.preventDefault();
}
function drop(e) {
e.stopPropagation();
e.preventDefault();
var dt = e.dataTransfer;
var files = dt.files;
handleFiles(files);
}
function handleFiles(f)
{
var o=[];
for(var i =0;i<f.length;i++)
{
var reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
qrcode.decode(e.target.result);
};
})(f[i]);
// Read in the image file as a data URL.
reader.readAsDataURL(f[i]); }
}
function read(a)
{
alert(a);
}
function load()
{
initCanvas(640,480);
qrcode.callback = read;
qrcode.decode("meqrthumb.png");
}
function initCanvas(ww,hh)
{
gCanvas = document.getElementById("qr-canvas");
gCanvas.addEventListener("dragenter", dragenter, false);
gCanvas.addEventListener("dragover", dragover, false);
gCanvas.addEventListener("drop", drop, false);
var w = ww;
var h = hh;
gCanvas.style.width = w + "px";
gCanvas.style.height = h + "px";
gCanvas.width = w;
gCanvas.height = h;
gCtx = gCanvas.getContext("2d");
gCtx.clearRect(0, 0, w, h);
imageData = gCtx.getImageData( 0,0,320,240);
}
function passLine(stringPixels) {
//a = (intVal >> 24) & 0xff;
var coll = stringPixels.split("-");
for(var i=0;i<320;i++) {
var intVal = parseInt(coll[i]);
r = (intVal >> 16) & 0xff;
g = (intVal >> 8) & 0xff;
b = (intVal ) & 0xff;
imageData.data[c+0]=r;
imageData.data[c+1]=g;
imageData.data[c+2]=b;
imageData.data[c+3]=255;
c+=4;
}
if(c>=320*240*4) {
c=0;
gCtx.putImageData(imageData, 0,0);
}
}
function captureToCanvas() {
flash = document.getElementById("embedflash");
flash.ccCapture();
qrcode.decode();
}
</script>
</head>
<body onload="load()">
<div class="container">
<object id="iembedflash" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="320" height="240">
<param name="movie" value="camcanvas.swf" />
<param name="quality" value="high" />
<param name="allowScriptAccess" value="always" />
<embed allowScriptAccess="always" id="embedflash" src="camcanvas.swf" quality="high" width="320" height="240" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" mayscript="true" />
</object>
</div>
<button onclick="captureToCanvas()">Capture</button><br>
<canvas id="qr-canvas" width="640" height="480"></canvas>
</body>
</html>
jsqrcode 通过Web摄像头识别QR二维码
4星 · 超过85%的资源 需积分: 46 73 浏览量
2013-07-21
23:27:42
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收藏 42KB RAR 举报 
jsqrcode-master.rar （21个子文件） 
jsqrcode-master 
COPYING 11KB src alignpat.js 7KB
test.html 4KB gf256poly.js 6KB grid.js 5KB gf256.js 3KB datablock.js 3KB decoder.js 3KB findpat.js 17KB detector.js 13KB datamask.js 4KB databr.js 9KB errorlevel.js 1KB formatinf.js 4KB bmparser.js 6KB bitmat.js 3KB qrcode.js 8KB version.js 15KB rsdecoder.js 5KB
camcanvas.swf 2KB README 2KB
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