open source, multi-platform, browser-based screen capture extension? [closed]
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . I'm considering a project that involves the browser user being able to screen capture the contents of any web page (preferably the whole page, not just the visible portion), do some simple annotation on the image (circles, arrows, underlines, text labels) and send the annotated image to the server. I see that