I’ve been working trying to convert the image to a BLOB and then the BLOB to a vector, as read somewhere, but I haven’t found out how, I also read that there’s a function that gives you the size in  pixels of the horizontal and vertical axis of the picture. In this screenshot I was trying with that: Screenshot from 2015-11-22 23:49:15

Don’t forget to check the “basic” Magick++ tutorial

http://www.imagemagick.org/Magick++/tutorial/Magick++_tutorial.pdf

And here are some other sites where I found useful information

http://www.cplusplus.com/forum/general/2615/

http://stackoverflow.com/questions/10023547/manipulating-blobs-in-c