HTML5 Canvas绘制图像后能否放大/缩小？

Question

My app is based on users placing images on a canvas (via functions I created that use lineTo(), and arc() to create complicated shapes) and then letting them zoom out so get a higher-level picture of what they've done. Similarly they can load somebody else's creation and zoom-in to see at a lower level what all these objects looks like in more detail.

Is this possible? When I think zoom, I'm thinking google-maps type zoom.

If it's not possible, are there other solutions, like using regular images and re-sizing part of the page?

Thank you for any help.

Answer 1

So this is what you are thinking of: scale() .

ctx.save();
ctx.scale(2,2);    //zoom-in
doMyComplexShape();
ctx.restore();