How can I change ctx fillystyle in this code?

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How can I set an image into this ctx? As you see it has only colors as fillstyle. But I would like to put image over there.

What should I do?

What I have tried:

var bigGreen = new BigCircle(ctx,50, 50, '#5eb62b', 50);

I tried put image url to function argument:

var bigGreen = new BigCircle(ctx,50, 50, 'url("myimage.png")', 50);

Not working.

Posted 20-Mar-16 2:36am

Davextern

Updated 21-Mar-16 17:49pm

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Gokulprasad05 · Answer 1 · 2016-03-21T17:49:00

<html>
<body>
<canvas id="canvas" width="500" height="100">
Canvas not supportet!
</canvas>
</body>
</html>

BigCircle = function(ctx,x, y, color, circleSize) {
ctx.beginPath();
ctx.arc(x, y, circleSize, 0, Math.PI * 2, true);
ctx.fillStyle=color
ctx.fill();
ctx.closePath();
this.clicked=function(){
ctx.fillStyle='#ff0000'
ctx.fill();
}
};

canvas.width = 903;
canvas.height = 657;

var background = new Image();
background.src = "http://i.imgur.com/yf6d9SX.jpg";

function init() {
var canvas = document.getElementsByTagName("canvas")[0];
var ctx = canvas.getContext('2d');
var bigGreen = new BigCircle(ctx,50, 50, '#5eb62b', 50);
$('#canvas').click(function(e){
var x = e.clientX
, y = e.clientY
if(Math.pow(x-50,2)+Math.pow(y-50,2) < Math.pow(50,2))
bigGreen.clicked()
ctx.drawImage(background,0,0);
})
}

$(document).ready(function() {
init();
});