Is it good practice to use std::vector as a simple buffer?

Question

I have an application that is performing some processing on some images.

Given that I know the width/height/format etc. (I do), and thinking just about defining a buffer

Answer 1

std::vector was MADE to be used in such cases. So, yes.

1. Yes, it is.

2. reserve is unnecessary in your case.

3. Yes, it will.