Image scaling and rotating in C/C++

Question

What is the best way to scale a 2D image array? For instance, suppose I have an image of 1024 x 2048 bytes, with each byte being a pixel. Each pixel is a grayscale level fro

Answer 1

There is no simple way of accomplishing this. Neither scaling nor rotating are trivial processes.

It is therefore advisable to use a 2d imaging library. Magick++ can be an idea as divideandconquer.se point out, but there are others.