jquery.qrcode.js: initial version

jquery.qrcode.js

@@ -0,0 +1,34 @@
+(function( $ ){
+	$.fn.qrcode = function(options) {
+
+		var createCanvas	= function(text, typeNumber){
+			var tileW	= 4;
+			
+			// create the qrcode itself
+			var qrcode	= new QRCode(typeNumber, QRErrorCorrectLevel.H);
+			qrcode.addData(text);
+			qrcode.make();
+
+			// create canvas element
+			var canvas	= document.createElement('canvas');
+			canvas.width	= canvas.height	= qrcode.getModuleCount()*tileW;
+			var ctx		= canvas.getContext('2d');
+	
+			for( var row = 0; row < qrcode.getModuleCount(); row++ ){
+				for( var col = 0; col < qrcode.getModuleCount(); col++ ){
+					ctx.fillStyle = qrcode.isDark(row, col) ? "#000000" : "#ffffff";
+					ctx.fillRect( col*tileW, row*tileW, tileW, tileW );  
+				}	
+			}
+			// return just built canvas
+			return canvas;
+		}
+
+		return this.each(function(){
+			var $this	= $(this);
+			
+			var canvas	= createCanvas("http://jetienne.com", 4);
+			jQuery(canvas).appendTo($this);
+		});
+	};
+})( jQuery );