HTML:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<!--<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="http://intridea.github.io/sketch.js/lib/sketch.min.js" type="text/javascript"></script>-->
<script type="text/javascript" src="js/jquery.min.js"></script>
<script src="js/sketch.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$('#colors_sketch').sketch();
$(".tools a").eq(0).attr("style", "color:#000");
$(".tools a").click(function () {
$(".tools a").removeAttr("style");
$(this).attr("style", "color:#000");
});
$("#btnSave").bind("click", function () {
var base64 = $('#colors_sketch')[0].toDataURL();
$("#saveimg").attr("src", base64);
$("#saveimg").show();
});
});
</script>
</head>
<body>
<form>
<h2>Using Canvas to save Signatures as image using jQuery</h2>
<div class="tools">
<a href="#colors_sketch" data-tool="marker">Marker</a> <a href="#colors_sketch" data-tool="eraser">
Eraser
</a>
</div>
<br />
<canvas id="colors_sketch" width="600" height="150" style="border-style: groove;"></canvas>
<br />
<br />
<input type="button" id="btnSave" value="Save as Image" /><br />
<br />
<img id="saveimg" alt="" style="display: none; border: 1px solid #ccc" />
</form>
</body>
</html>