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4 changed files with 15 additions and 34 deletions
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@ -9,7 +9,7 @@ It is based on a <a href='http://www.d-project.com/qrcode/index.html'>library</a
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which build qrcode in various language. <a href='http://jeromeetienne.github.com/jquery-qrcode'>jquery.qrcode.js</a> wraps
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it to make it easy to include in your own code.
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Show, dont tell, here is a <a href='https://github.com/jeromeetienne/jquery-qrcode/blob/master/examples/basic.html'>example</a>
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Show, dont tell, here is a <a href='examples/basic.html'>example</a>
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## How to Use It
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@ -11,7 +11,7 @@
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<p>Render in table</p>
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<div id="qrcodeTable"></div>
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<p>Render in canvas</p>
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<p>Render in canvas</p>
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<div id="qrcodeCanvas"></div>
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<script>
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//jQuery('#qrcode').qrcode("this plugin is great");
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@ -147,7 +147,7 @@ img {
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<img style="position: absolute; bottom: 10px; right: 10px; border: 0;" src="http://twitter-badges.s3.amazonaws.com/follow_me-c.png" alt="Follow jerome_etienne on Twitter"/>
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</a>
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<!-- github ribbon -->
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<a href="https://github.com/jeromeetienne/jquery-qrcode"><img style="position: absolute; top: 0; left: 0; border: 0;" src="https://assets0.github.com/img/ce742187c818c67d98af16f96ed21c00160c234a?repo=&url=http%3A%2F%2Fs3.amazonaws.com%2Fgithub%2Fribbons%2Fforkme_left_gray_6d6d6d.png&path=" alt="Fork me on GitHub"></a>
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<a href="https://github.com/jeromeetienne/jquery-qrcode"><img style="position: absolute; top: 0; left: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_left_gray_6d6d6d.png" alt="Fork me on GitHub" /></a>
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<!-- twitter share + facebook like -->
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<div style="position: absolute; top: 10px; right: 10px; border: 0;">
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@ -11,7 +11,6 @@
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render : "canvas",
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width : 256,
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height : 256,
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margin : 4,
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typeNumber : -1,
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correctLevel : QRErrorCorrectLevel.H,
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background : "#ffffff",
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@ -31,24 +30,15 @@
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var ctx = canvas.getContext('2d');
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// compute tileW/tileH based on options.width/options.height
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var margin = options.margin;
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var tileW = options.width / (qrcode.getModuleCount() + 2*options.margin);
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var tileH = options.height / (qrcode.getModuleCount() + 2*options.margin);
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var isDark = function(x, y) {
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x -= margin; y -= margin;
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if(x < 0 || x >= qrcode.getModuleCount() || y < 0 || y >= qrcode.getModuleCount())
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return false;
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else
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return qrcode.isDark(x, y);
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}
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var tileW = options.width / qrcode.getModuleCount();
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var tileH = options.height / qrcode.getModuleCount();
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// draw in the canvas
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for( var row = 0; row < qrcode.getModuleCount()+2*margin; row++ ){
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for( var col = 0; col < qrcode.getModuleCount()+2*margin; col++ ){
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ctx.fillStyle = isDark(row, col) ? options.foreground : options.background;
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for( var row = 0; row < qrcode.getModuleCount(); row++ ){
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for( var col = 0; col < qrcode.getModuleCount(); col++ ){
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ctx.fillStyle = qrcode.isDark(row, col) ? options.foreground : options.background;
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var w = (Math.ceil((col+1)*tileW) - Math.floor(col*tileW));
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var h = (Math.ceil((row+1)*tileH) - Math.floor(row*tileH));
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var h = (Math.ceil((row+1)*tileW) - Math.floor(row*tileW));
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ctx.fillRect(Math.round(col*tileW),Math.round(row*tileH), w, h);
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}
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}
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@ -72,26 +62,17 @@
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.css('background-color', options.background);
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// compute tileS percentage
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var margin = options.margin;
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var tileW = options.width / (qrcode.getModuleCount() + 2*margin);
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var tileH = options.height / (qrcode.getModuleCount() + 2*margin);
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var isDark = function(x, y) {
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x -= margin; y -= margin;
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if(x < 0 || x >= qrcode.getModuleCount() || y < 0 || y >= qrcode.getModuleCount())
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return false;
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else
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return qrcode.isDark(x, y);
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}
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var tileW = options.width / qrcode.getModuleCount();
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var tileH = options.height / qrcode.getModuleCount();
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// draw in the table
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for(var row = 0; row < (qrcode.getModuleCount() + 2*margin); row++ ){
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for(var row = 0; row < qrcode.getModuleCount(); row++ ){
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var $row = $('<tr></tr>').css('height', tileH+"px").appendTo($table);
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for(var col = 0; col < (qrcode.getModuleCount() + 2*margin); col++ ){
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for(var col = 0; col < qrcode.getModuleCount(); col++ ){
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$('<td></td>')
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.css('width', tileW+"px")
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.css('background-color', isDark(row, col) ? options.foreground : options.background)
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.css('background-color', qrcode.isDark(row, col) ? options.foreground : options.background)
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.appendTo($row);
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}
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}
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@ -102,7 +83,7 @@
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return this.each(function(){
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var element = options.render == "canvas" ? createCanvas() : createTable();
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$(element).appendTo(this);
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jQuery(element).appendTo(this);
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});
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};
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})( jQuery );
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