Esempio n. 1
0
        private void Zoom()
        {
            if (Math.Abs(StartPoint.X - StopPoint.X) < 10 || Math.Abs(StartPoint.Y - StopPoint.Y) < 10)
            {
                return;
            }

            IsZoom = true;

            XMin     = Option.XAxis.Min;
            XMax     = Option.XAxis.Max;
            YMin     = Option.YAxis.Min;
            YMax     = Option.YAxis.Max;
            XMinAuto = Option.XAxis.MinAuto;
            XMaxAuto = Option.XAxis.MaxAuto;
            YMinAuto = Option.YAxis.MinAuto;
            YMaxAuto = Option.YAxis.MaxAuto;

            double xmin = XScale.CalcXPos(Math.Min(StartPoint.X, StopPoint.X), DrawOrigin.X, DrawSize.Width);
            double xmax = XScale.CalcXPos(Math.Max(StartPoint.X, StopPoint.X), DrawOrigin.X, DrawSize.Width);
            double ymax = YScale.CalcYPos(Math.Min(StartPoint.Y, StopPoint.Y), DrawOrigin.Y, DrawSize.Height);
            double ymin = YScale.CalcYPos(Math.Max(StartPoint.Y, StopPoint.Y), DrawOrigin.Y, DrawSize.Height);

            Option.XAxis.Min     = xmin;
            Option.XAxis.Max     = xmax;
            Option.YAxis.Min     = ymin;
            Option.YAxis.Max     = ymax;
            Option.XAxis.MinAuto = false;
            Option.XAxis.MaxAuto = false;
            Option.YAxis.MinAuto = false;
            Option.YAxis.MaxAuto = false;
            CalcData();
            Invalidate();
        }
Esempio n. 2
0
        private void Zoom()
        {
            if (Math.Abs(StartPoint.X - StopPoint.X) < 6 && Math.Abs(StartPoint.Y - StopPoint.Y) < 6)
            {
                return;
            }

            CreateBaseArea();

            var zoomArea = new ZoomArea();

            zoomArea.XMin = XScale.CalcXPos(Math.Min(StartPoint.X, StopPoint.X), DrawOrigin.X, DrawSize.Width);
            zoomArea.XMax = XScale.CalcXPos(Math.Max(StartPoint.X, StopPoint.X), DrawOrigin.X, DrawSize.Width);
            zoomArea.YMax = YScale.CalcYPos(Math.Min(StartPoint.Y, StopPoint.Y), DrawOrigin.Y, DrawSize.Height);
            zoomArea.YMin = YScale.CalcYPos(Math.Max(StartPoint.Y, StopPoint.Y), DrawOrigin.Y, DrawSize.Height);
            AddZoomArea(zoomArea);
        }