I'm trying to zoom in or out my canvas drawing, but if I only scale the context nothing happens.
Do I need to re-draw it after the scale? Is there any method to scale directly the context without drawing it every time I try to zoom in or out?
PS: I want to zoom in and out with an HTML5
Like Mike said, the best solution is to redraw it. Zooming in with css is a solution, but there's a big loss in quality.