Function digZoom

examples/image_processing/image_editing.cpp:56–59

* x,y - starting position of zoom * width, height - dimensions of the rectangle to where we have to zoom in * */

 * width, height - dimensions of the rectangle to where we have to zoom in
 * */
array digZoom(const array &in, int x, int y, int width, int height) {
    array cropped = in(seq(x, width - 1), seq(y, height - 1), span);
    return resize(cropped, (unsigned)in.dims(0), (unsigned)in.dims(1));
}

/**
 * a - foregound image