NewTOAPIA.Drawing.Transform2D.GetDPtoLP C# (CSharp) Метод

        public bool GetDPtoLP(GDIContext hDC)
        {
            if (!GDI32.GetWorldTransform(hDC, out fMatrix))
                return false;

            POINT origin = new POINT();
            GDI32.GetWindowOrgEx(hDC, out origin);
            Translate(-(float)origin.X, -(float)origin.Y);

            SIZE sizew = new SIZE();
            SIZE sizev = new SIZE();
            GDI32.GetWindowExtEx(hDC, out sizew);
            GDI32.GetViewportExtEx(hDC, out sizev);

            Scale((float)sizew.Width / sizev.Height, (float)sizew.Height / sizev.Height);

            GDI32.GetViewportOrgEx(hDC, out origin);
            Translate((float)origin.X, (float)origin.Y);

            return true;
        }