jwill/my-hangouts-extension — comment on commit 88594f41ac04d5152a0d0e5ee25cd17128ecb7ab
File: js/capture_gallery_filter.js line 304
By mohamedmansour:

Why do we have to create another image to add the text? Since we already have the canvas context, we could just draw the text on it. The reason why we used another canvas before is to do resizing, but in this case do we really need another canvas?