Function mkrect_wh

library/include/Types.h:113–115

    }

    inline rect2d mkrect_wh(int x, int y, int w, int h) {
        return rect2d(df::coord2d(x, y), df::coord2d(x+w-1, y+h-1));
    }

    inline df::coord2d rect_size(const rect2d &rect) {
        return rect.second - rect.first + df::coord2d(1,1);