jepler/jquery-qrcode
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Jerome Etienne 2011-04-07 09:32:28 +02:00
parent e79201608a
commit e7741e99e7
5 changed files with 25 additions and 38 deletions
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6
README.md
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@ -2,7 +2,9 @@
With jQuery.qrcode.js you can easily add qrcode to your webpages.
It is standalone, no external services which go on and off, or add latency
while loading.
while loading. It is based on a <a href='http://www.d-project.com/qrcode/index.html'>library</a>
which build qrcode in various language. jQuery.qrcode.js wraps it to make it easy
to include in your own code.
Show, dont tell, here is a <a href='examples/demo.html'>demo</a>
@ -21,7 +23,7 @@ Then you add the *qrcode* in this container by
jQuery('#qrcode').qrcode("this plugin is great");
This is it.
This is it. see it <a href='examples/basic.html'>live</a>.
## Conclusion

15
examples/basic.html Normal file
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@ -0,0 +1,15 @@
<html>
<head>
<title>basic example</title>
</head>
<body>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>
<script type="text/javascript" src="../jquery.qrcode.min.js"></script>
<div id="qrcode"></div>
<script>
jQuery('#qrcode').qrcode("this plugin is great");
</script>
</body>
</html>

28
examples/index.html
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@ -1,28 +0,0 @@
<html>
<head>
<title>basic example</title>
</head>
<body>
<p>
TODO make a nice looking pure client qrcode generator
even allow download of the image
</p>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>
<!--<script type="text/javascript" src="../src/jquery.qrcode.js"></script>
<script type="text/javascript" src="../src/qrcode.js"></script>
-->
<script type="text/javascript" src="../jquery.qrcode.min.js"></script>
<div id="output"></div>
<script>
jQuery(function(){
jQuery('#output').qrcode({
text : "http://jetienne.com"
})
})
</script>
</body>
</html>

6
index.html
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@ -11,7 +11,7 @@
><h1
>jQuery.qrcode.js</h1
><p
>With jQuery.qrcode.js you can easily add qrcode to your webpages. It is standalone, no external services which go on and off, or add latency while loading.</p
>With jQuery.qrcode.js you can easily add qrcode to your webpages. It is standalone, no external services which go on and off, or add latency while loading. It is based on a <a href='http://www.d-project.com/qrcode/index.html'>library</a> which build qrcode in various language. jQuery.qrcode.js wraps it to make it easy to include in your own code.</p
><p
>Show, dont tell, here is a <a href='examples/demo.html'>demo</a></p
><div id="how-to-use-it"
@ -41,13 +41,13 @@
</code
></pre
><p
>This is it.</p
>This is it. see it <a href='examples/basic.html'>live</a>.</p
></div
><div id="conclusion"
><h2
>Conclusion</h2
><p
>MicroEvent.js is available on github <a href='https://github.com/jeromeetienne/jquery-qrcode'>here</a> under <a href='https://github.com/jeromeetienne/microevent.js/blob/master/MIT-LICENSE.txt'>MIT license</a>. If you hit bugs, fill issues on github. Feel free to fork, modify and have fun with it :)</p
>MicroEvent.js is available on github <a href='https://github.com/jeromeetienne/jquery-qrcode'>here</a> under <a href='https://github.com/jeromeetienne/jquery-qrcode.js/blob/master/MIT-LICENSE.txt'>MIT license</a>. If you hit bugs, fill issues on github. Feel free to fork, modify and have fun with it :)</p
></div
></div
>

8
src/jquery.qrcode.js
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@ -1,6 +1,5 @@
(function( $ ){
$.fn.qrcode = function(options) {
// if options is string,
if( typeof options === 'string' ){
options = { text: options };
@ -19,16 +18,15 @@
var qrcode = new QRCode(options.typeNumber, options.correctLevel);
qrcode.addData(options.text);
qrcode.make();
// create canvas element
var canvas = document.createElement('canvas');
canvas.width = options.width;
canvas.height = options.height;
var ctx = canvas.getContext('2d');
var tileW = options.width / qrcode.getModuleCount();
// compute tileW/tileH based on options.width/options.height
var tileW = options.width / qrcode.getModuleCount();
var tileH = options.height / qrcode.getModuleCount();
// draw in the canvas
for( var row = 0; row < qrcode.getModuleCount(); row++ ){
for( var col = 0; col < qrcode.getModuleCount(); col++ ){
ctx.fillStyle = qrcode.isDark(row, col) ? "#000000" : "#ffffff";