html5: copy a canvas to image and back

Question

I implemented a zoom in and out function on a canvas element. it works by scaling the canvas, translating it, and then redraw the whole scene again. the problem is that it t

Answer 1

added image into canvas

var image = new Image();
image.src = "1.jpg";
image.onload = function() {
context.drawImage(image, 0, 0);
};