Is It Possible To Clip/mask A Div Using Html5 And Canvas?

I have a photo gallery that uses images 'cut off' at an odd angle but the cut-out needs to be transparent in order to see the background. I had been able to get it to work using al

Solution 1:

You can clip the div's by rotating using css3 other divs. At most you need four divs if you need random angles.