The default blending is alpha blending, so when you're drawing something to a canvas, that's fine, but you should set the blendmodes to premultiplied accordingly just before drawing the canvas contents to the screen, otherwise things like this may happen. Just set my canvas drawing code to use prem...

Hi, I've written a custom animation handling system for a game I've been working on, and it seems to be having some trouble with partial transparency. https://love2d.org/imgmirrur/tc4YlFh.png This character's got glasses, and where those glasses don't overlap the face, they're white with ~50% alpha....