NewTOAPIA.Drawing.ClipLiangBarsky.clip_move_point C# (CSharp) Method

        public static bool clip_move_point(int x1, int y1, int x2, int y2,
                             RectangleI clip_box,
                             ref int x, ref int y, int flags)
        {
            int bound;

            if ((flags & (int)clipping_flags_e.clipping_flags_x_clipped) != 0)
            {
                if (x1 == x2)
                {
                    return false;
                }
                bound = ((flags & (int)clipping_flags_e.clipping_flags_x1_clipped) != 0) ? clip_box.x1 : clip_box.x2;
                y = (int)((double)(bound - x1) * (y2 - y1) / (x2 - x1) + y1);
                x = bound;
            }

            flags = clipping_flags_y(y, clip_box);
            if ((flags & (int)clipping_flags_e.clipping_flags_y_clipped) != 0)
            {
                if (y1 == y2)
                {
                    return false;
                }
                bound = ((flags & (int)clipping_flags_e.clipping_flags_x1_clipped) != 0) ? clip_box.y1 : clip_box.y2;
                x = (int)((double)(bound - y1) * (x2 - x1) / (y2 - y1) + x1);
                y = bound;
            }
            return true;
        }