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* UILineChartOption: 增加了线的最大点数设置，以及移除点数的设置

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* UILineChartOption: 重构对象
This commit is contained in:
Sunny 2022-11-25 15:47:20 +08:00
parent 61860cc995
commit ec6795b3a8
1 changed files with 47 additions and 12 deletions
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59
SunnyUI/Charts/UILineChartOption.cs
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@ -18,6 +18,8 @@
* *
* 2020-10-01: V2.2.8 完成曲线图表设置类 * 2020-10-01: V2.2.8 完成曲线图表设置类
* 2022-07-15: V3.2.1 增加移除线的操作 * 2022-07-15: V3.2.1 增加移除线的操作
* 2022-11-25: V3.2.2 增加了线的最大点数设置，以及移除点数的设置
* 2022-11-25: V3.2.2 重构对象
******************************************************************************/ ******************************************************************************/
using System; using System;
@ -166,7 +168,7 @@ namespace Sunny.UI
} }
} }
public int AllDataCount(bool isY2) internal int AllDataCount(bool isY2)
{ {
int cnt = 0; int cnt = 0;
foreach (var series in Series.Values) foreach (var series in Series.Values)
@ -178,7 +180,7 @@ namespace Sunny.UI
return cnt; return cnt;
} }
public int AllDataCount() internal int AllDataCount()
{ {
int cnt = 0; int cnt = 0;
foreach (var series in Series.Values) foreach (var series in Series.Values)
@ -202,7 +204,7 @@ namespace Sunny.UI
} }
} }
public void GetAllDataYRange(out double min, out double max) internal void GetAllDataYRange(out double min, out double max)
{ {
if (AllDataCount(false) == 0) if (AllDataCount(false) == 0)
{ {
@ -243,7 +245,7 @@ namespace Sunny.UI
} }
} }
public void GetAllDataY2Range(out double min, out double max) internal void GetAllDataY2Range(out double min, out double max)
{ {
if (!HaveY2) if (!HaveY2)
{ {
@ -292,7 +294,7 @@ namespace Sunny.UI
} }
} }
public void GetAllDataXRange(out double min, out double max) internal void GetAllDataXRange(out double min, out double max)
{ {
if (AllDataCount() == 0) if (AllDataCount() == 0)
{ {
@ -402,7 +404,7 @@ namespace Sunny.UI
} }
} }
public int Index { get; set; } internal int Index { get; set; }
public string Name { get; private set; } public string Name { get; private set; }
public float Width { get; set; } = 2; public float Width { get; set; } = 2;
@ -434,16 +436,40 @@ namespace Sunny.UI
public bool Visible { get; set; } = true; public bool Visible { get; set; } = true;
public readonly List<double> XData = new List<double>(); internal readonly List<double> XData = new List<double>();
public readonly List<double> YData = new List<double>(); internal readonly List<double> YData = new List<double>();
public readonly List<PointF> Points = new List<PointF>(); internal readonly List<PointF> Points = new List<PointF>();
private readonly List<double> PointsX = new List<double>(); private readonly List<double> PointsX = new List<double>();
private readonly List<double> PointsY = new List<double>(); private readonly List<double> PointsY = new List<double>();
private int MaxCount = 0;
/// <summary>
/// 设置线的最大点数，0不限制
/// </summary>
/// <param name="maxCount">最大点数</param>
/// <returns>线</returns>
public UILineSeries SetMaxCount(int maxCount = 0)
{
MaxCount = Math.Max(maxCount, 0);
return this;
}
public UILineSeries Remove(int count)
{
if (count > 0 && XData.Count >= count)
{
XData.RemoveRange(0, count);
YData.RemoveRange(0, count);
}
return this;
}
public int DataCount => XData.Count; public int DataCount => XData.Count;
public bool GetNearestPoint(Point p, int offset, out double x, out double y, out int index) public bool GetNearestPoint(Point p, int offset, out double x, out double y, out int index)
@ -500,14 +526,14 @@ namespace Sunny.UI
PointsY.Clear(); PointsY.Clear();
} }
public void AddPoint(PointF point) private void AddPoint(PointF point)
{ {
Points.Add(point); Points.Add(point);
PointsX.Add(point.X); PointsX.Add(point.X);
PointsY.Add(point.Y); PointsY.Add(point.Y);
} }
public void AddPoints(float[] x, float[] y) private void AddPoints(float[] x, float[] y)
{ {
if (x.Length != y.Length) return; if (x.Length != y.Length) return;
if (x.Length == 0) return; if (x.Length == 0) return;
@ -517,7 +543,7 @@ namespace Sunny.UI
} }
} }
public void CalcData(UILineChart chart, UIScale XScale, UIScale YScale) internal void CalcData(UILineChart chart, UIScale XScale, UIScale YScale)
{ {
ClearPoints(); ClearPoints();
float[] x = XScale.CalcXPixels(XData.ToArray(), chart.DrawOrigin.X, chart.DrawSize.Width); float[] x = XScale.CalcXPixels(XData.ToArray(), chart.DrawOrigin.X, chart.DrawSize.Width);
@ -531,6 +557,9 @@ namespace Sunny.UI
if (y.IsInfinity()) y = double.NaN; if (y.IsInfinity()) y = double.NaN;
if (y.IsNan()) ContainsNan = true; if (y.IsNan()) ContainsNan = true;
YData.Add(y); YData.Add(y);
if (MaxCount > 0 && XData.Count > MaxCount)
Remove(1);
} }
public void Add(DateTime x, double y) public void Add(DateTime x, double y)
@ -540,6 +569,9 @@ namespace Sunny.UI
if (y.IsInfinity()) y = double.NaN; if (y.IsInfinity()) y = double.NaN;
if (y.IsNan()) ContainsNan = true; if (y.IsNan()) ContainsNan = true;
YData.Add(y); YData.Add(y);
if (MaxCount > 0 && XData.Count > MaxCount)
Remove(1);
} }
public void Add(string x, double y) public void Add(string x, double y)
@ -549,6 +581,9 @@ namespace Sunny.UI
if (y.IsInfinity()) y = double.NaN; if (y.IsInfinity()) y = double.NaN;
if (y.IsNan()) ContainsNan = true; if (y.IsNan()) ContainsNan = true;
YData.Add(y); YData.Add(y);
if (MaxCount > 0 && XData.Count > MaxCount)
Remove(1);
} }
} }