The feature that you're talking about is called a
Watermark; watermark is an image or a label added to an image. Which can be added to the images to denote the copyright, or any other such functionality.
Please go through this
previous thread[
^] and look at the library attached in the first answer.
Visual C++ is just implementation of C++ by Microsoft in their editor; no difference in basic underlying language. So, you can use C++ libraries too.