Drawing PNG to a canvas element — not showing transparency

Question

I\'m trying to use drawImage to draw a semi-transparent PNG on a canvas element. However, it draws the image as completely opaque. When I look at the resource that\'s being

Answer 1

It ought to work fine, are you sure your image is really transparent and not just white in the background?

Here's an example of drawing a transparent PNG over a black rectangle to base your code off of:

http://jsfiddle.net/5P2Ms/