Rotating a 2D pixel array by 90 degrees

Question

I have an array of pixel data for an image. The image I am getting is already rotated to 270 degrees. So I am trying to rotate it again by 90 degrees to have the correct ima

Answer 1

You have old_data[rows][cols] and new_data[cols][rows], then:

for(int i=0; i

This should rotate old_data by 90 degrees CW.