//Onsen ui design coding
<ons-list-item>
<ons-row>
Date    <u id=“curDate”></u>
</ons-row>
<ons-row>
<ons-col>Signature</ons-col>
<ons-col style=“text-align:right;”><ons-button class=“button button–material” style=“width:100px;” onclick=“erase()”>clear</ons-button></ons-col>
</ons-row>
<ons-row style=“background-color: white;”>
<ons-col>
<!–<u><img src=“sigimg.png” alt=“Sig IMG” style=“width: 100%”></u>–>
<canvas id=“can” width=“350” height=“200” style=“border:2px solid black;”>
</canvas>
</ons-col>
</ons-row>
</ons-list-item>
//Javascript coding
var canvas, ctx, flag = false,
prevX = 0,
currX = 0,
prevY = 0,
currY = 0,
xval = 0,
yval = 0,
dot_flag = false;

var x = “black”,
y = 2;

function init(xv, yv) {
//debugger;
xval = xv;
yval = yv;
canvas = document.getElementById(‘can’);
ctx = canvas.getContext(“2d”);
w = canvas.width;
h = canvas.height;

canvas.addEventListener("mousemove", function(e) {
    findxy('move', e)
}, false);
canvas.addEventListener("mousedown", function(e) {
    findxy('down', e)
}, false);
canvas.addEventListener("mouseup", function(e) {
    findxy('up', e)
}, false);
canvas.addEventListener("mouseout", function(e) {
    findxy('out', e)
}, false);

}

function color(obj) {
switch (obj.id) {
case “green”:
x = “green”;
break;
case “blue”:
x = “blue”;
break;
case “red”:
x = “red”;
break;
case “yellow”:
x = “yellow”;
break;
case “orange”:
x = “orange”;
break;
case “black”:
x = “black”;
break;
case “white”:
x = “white”;
break;
}
if (x == “white”) y = 14;
else y = 2;

}

function draw() {
ctx.beginPath();
ctx.moveTo((prevX - xval), (prevY - yval));
ctx.lineTo((currX - xval), (currY - yval));
ctx.strokeStyle = x;
ctx.lineWidth = y;
ctx.stroke();
ctx.closePath();
}

function erase() {
//var m = confirm(“Want to clear”);
//if (m) {
ctx.clearRect(0, 0, w, h);
//document.getElementById(“canvasimg”).style.display = “none”;
//}
}

function save() {
//document.getElementById(“canvasimg”).style.border = “2px solid”;
var dataURL = canvas.toDataURL();
//document.getElementById(“canvasimg”).src = dataURL;
//document.getElementById(“canvasimg”).style.display = “inline”;
return dataURL;
}

function findxy(res, e) {
if (res == ‘down’) {
prevX = currX;
prevY = currY;
currX = e.clientX - canvas.offsetLeft;
currY = e.clientY - canvas.offsetTop;

    flag = true;
    dot_flag = true;
    if (dot_flag) {
        ctx.beginPath();
        ctx.fillStyle = x;
        ctx.fillRect((currX - 5), (currY - 140), 2, 2);
        ctx.closePath();
        dot_flag = false;
    }
}
if (res == 'up' || res == "out") {
    flag = false;
}
if (res == 'move') {
    if (flag) {
        prevX = currX;
        prevY = currY;
        currX = e.clientX - canvas.offsetLeft;
        currY = e.clientY - canvas.offsetTop;
        draw();
    }
}

}