public void ZoomNormal()
{
if (!IsZoom)
{
return;
}
IsZoom = false;
Option.XAxis.Min = BaseArea.XMin;
Option.XAxis.Max = BaseArea.XMax;
Option.YAxis.Min = BaseArea.YMin;
Option.YAxis.Max = BaseArea.YMax;
Option.XAxis.MinAuto = BaseArea.XMinAuto;
Option.XAxis.MaxAuto = BaseArea.XMaxAuto;
Option.YAxis.MinAuto = BaseArea.YMinAuto;
Option.YAxis.MaxAuto = BaseArea.YMaxAuto;
if (Option.HaveY2)
{
Option.Y2Axis.Min = BaseArea.Y2Min;
Option.Y2Axis.Max = BaseArea.Y2Max;
Option.Y2Axis.MinAuto = BaseArea.Y2MinAuto;
Option.Y2Axis.MaxAuto = BaseArea.Y2MaxAuto;
}
BaseArea = null;
CalcData();
Invalidate();
}
private void AddZoomArea(ZoomArea zoomArea)
{
if (zoomArea.XMax - zoomArea.XMin <= MinInterval)
{
return;
}
if (zoomArea.YMax - zoomArea.YMin <= MinInterval)
{
return;
}
if (zoomArea.XMax - zoomArea.XMin >= MaxInterval)
{
return;
}
if (zoomArea.YMax - zoomArea.YMin >= MaxInterval)
{
return;
}
if (Option.HaveY2)
{
if (zoomArea.Y2Max - zoomArea.Y2Min <= MinInterval)
{
return;
}
if (zoomArea.Y2Max - zoomArea.Y2Min >= MaxInterval)
{
return;
}
}
ZoomAreas.Add(zoomArea);
Zoom(zoomArea);
}
private void CreateBaseArea()
{
IsZoom = true;
if (BaseArea == null)
{
BaseArea = new ZoomArea();
BaseArea.XMin = XScale.Min;
BaseArea.XMax = XScale.Max;
BaseArea.YMin = YScale.Min;
BaseArea.YMax = YScale.Max;
BaseArea.XMinAuto = Option.XAxis.MinAuto;
BaseArea.XMaxAuto = Option.XAxis.MaxAuto;
BaseArea.YMinAuto = Option.YAxis.MinAuto;
BaseArea.YMaxAuto = Option.YAxis.MaxAuto;
if (Option.HaveY2)
{
BaseArea.Y2Min = Y2Scale.Min;
BaseArea.Y2Max = Y2Scale.Max;
BaseArea.Y2MinAuto = Option.Y2Axis.MinAuto;
BaseArea.Y2MaxAuto = Option.Y2Axis.MaxAuto;
}
}
}
private void Zoom(ZoomArea zoomArea)
{
Option.XAxis.Min = zoomArea.XMin;
Option.XAxis.Max = zoomArea.XMax;
Option.YAxis.Max = zoomArea.YMax;
Option.YAxis.Min = zoomArea.YMin;
Option.XAxis.MinAuto = zoomArea.XMinAuto;
Option.XAxis.MaxAuto = zoomArea.XMaxAuto;
Option.YAxis.MinAuto = zoomArea.YMinAuto;
Option.YAxis.MaxAuto = zoomArea.YMaxAuto;
CalcData();
Invalidate();
}
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);
}
