public StringDataEntity(PlotManager plotManager, DataEntityInfo dataInfo) : base(plotManager, dataInfo)
{
_xBuffer = new OverLapStrBuffer(DataInfo.Capacity);
_yBuffers = new List <OverLapWrapBuffer <TDataType> >(DataInfo.LineCount);
for (int i = 0; i < DataInfo.LineCount; i++)
{
_yBuffers.Add(new OverLapWrapBuffer <TDataType>(DataInfo.Capacity));
}
_plotBuffer = new PlotBuffer <TDataType>(DataInfo.LineCount, DataInfo.Capacity);
}
public void RefreshXLabels()
{
if (double.IsNaN(_axisX.ScaleView.ViewMaximum) || double.IsNaN(_axisX.ScaleView.ViewMinimum) ||
_axisX.ScaleView.ViewMaximum - _axisX.ScaleView.ViewMinimum < 1)
{
return;
}
double labelStep = (_axisX.ScaleView.ViewMaximum - _axisX.ScaleView.ViewMinimum) / Constants.XLabelCount;
double labelRangeSize = labelStep / 4;
double labelPosition = _axisX.ScaleView.ViewMinimum;
OverLapStrBuffer xLabels = _plotter.PlotAction.XWrapBuf;
int pointIndex;
for (int i = 0; i < Constants.XLabelCount; i++)
{
_axisX.CustomLabels[i].FromPosition = labelPosition - labelRangeSize;
_axisX.CustomLabels[i].ToPosition = labelPosition + labelRangeSize;
pointIndex = (int)Math.Round(labelPosition) + _samplesInChart;
if (pointIndex >= 0 && pointIndex < xLabels.Count && !string.IsNullOrWhiteSpace(xLabels[pointIndex]))
{
_axisX.CustomLabels[i].Text = xLabels[pointIndex];
}
else
{
_axisX.CustomLabels[i].Text = " ";
}
labelPosition += labelStep;
}
// 最后一个做特殊处理
labelPosition = 0;
_axisX.CustomLabels[Constants.XLabelCount].FromPosition = labelPosition - labelRangeSize;
_axisX.CustomLabels[Constants.XLabelCount].ToPosition = labelPosition + labelRangeSize;
pointIndex = xLabels.Count - 1;
if (pointIndex >= 0 && !string.IsNullOrWhiteSpace(xLabels[pointIndex]))
{
_axisX.CustomLabels[Constants.XLabelCount].Text = xLabels[pointIndex];
}
else
{
_axisX.CustomLabels[Constants.XLabelCount].Text = " ";
}
}
