313 lines
13 KiB
C#
313 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Text;
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using System.Windows.Forms.DataVisualization.Charting;
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namespace JinYuan.Helper
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{
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public class ChartHelper
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{
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// 字体缓存
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private static readonly Dictionary<string, Font> _fontCache = new Dictionary<string, Font>();
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private static PrivateFontCollection _fontCollection;
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private static readonly object _fontLock = new object();
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/// <summary>
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/// 初始化字体集合
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/// </summary>
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private static void InitializeFontCollection()
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{
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if (_fontCollection == null)
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{
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lock (_fontLock)
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{
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if (_fontCollection == null)
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{
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_fontCollection = new PrivateFontCollection();
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try
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{
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// 只加载一次字体文件
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string fontPath = Environment.CurrentDirectory + "\\Assts\\Fonts\\Zen圓体-Regular.ttf";
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if (System.IO.File.Exists(fontPath))
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{
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_fontCollection.AddFontFile(fontPath);
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}
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}
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catch (Exception ex)
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{
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// 字体加载失败，使用默认字体
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LogHelper.Instance.WriteError($"字体加载失败: {ex.Message}", "FontError");
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}
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}
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}
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}
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}
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/// <summary>
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/// 获取字体
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/// </summary>
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/// <param name="size">字体大小</param>
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/// <param name="style">字体样式</param>
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/// <returns>字体对象</returns>
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private static Font GetFont(float size, FontStyle style)
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{
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string key = $"{size}_{style}";
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if (_fontCache.TryGetValue(key, out Font cachedFont))
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{
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return cachedFont;
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}
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lock (_fontLock)
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{
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if (_fontCache.TryGetValue(key, out cachedFont))
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{
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return cachedFont;
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}
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InitializeFontCollection();
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Font font;
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try
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{
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if (_fontCollection != null && _fontCollection.Families.Length > 0)
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{
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FontFamily fontFamily = new FontFamily(_fontCollection.Families[0].Name, _fontCollection);
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font = new Font(fontFamily, size, style);
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}
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else
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{
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// 使用默认字体作为 fallback
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font = new Font("微软雅黑", size, style);
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}
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}
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catch
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{
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// 字体创建失败，使用默认字体
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font = new Font("微软雅黑", size, style);
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}
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_fontCache[key] = font;
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return font;
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}
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}
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/// <summary>
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/// 清理字体缓存
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/// </summary>
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public static void ClearFontCache()
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{
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lock (_fontLock)
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{
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foreach (var font in _fontCache.Values)
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{
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font.Dispose();
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}
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_fontCache.Clear();
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if (_fontCollection != null)
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{
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_fontCollection.Dispose();
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_fontCollection = null;
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}
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}
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}
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/// <summary>
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/// Name：添加序列
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///
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="seriesName">序列名称</param>
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/// <param name="chartType">图表类型</param>
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/// <param name="chartValueType">图表值类型</param>
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/// <param name="markerStyle">标记样式</param>
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/// <param name="markerSize">标记大小</param>
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/// <param name="seriesColor">颜色</param>
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/// <param name="markColor">标记点颜色</param>
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/// <param name="LabelStyle">标签样式</param>
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/// <param name="isShowBFH">是否显示百分比</param>
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/// <param name="showValue">是否显示数值</param>
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public static void AddSeries(Chart chart, string seriesName, SeriesChartType chartType, ChartValueType chartValueType, MarkerStyle markerStyle, int markerSize, Color seriesColor, Color markColor, string LabelStyle, bool isShowBFH, bool showValue = false)
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{
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chart.Series.Add(seriesName);
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chart.Series[seriesName].ChartType = chartType;
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chart.Series[seriesName].Color = seriesColor;
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if (showValue)
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{
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Font myFont = GetFont(9.0f, FontStyle.Bold);
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chart.Series[seriesName].IsValueShownAsLabel = showValue;
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chart.Series[seriesName].XValueType = chartValueType;
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chart.Series[seriesName].Label = LabelStyle;
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chart.Series[seriesName].Font = myFont;
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chart.Series[seriesName].MarkerStyle = markerStyle;
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chart.Series[seriesName].MarkerColor = markColor;
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chart.Series[seriesName].MarkerStyle = MarkerStyle.Circle; //线条上的数据点标志类型
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chart.Series[seriesName].MarkerSize = markerSize; //标志大小
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chart.Series[seriesName].LabelToolTip = "#VALX: #VALY";
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chart.Series[seriesName].LabelForeColor = markColor;
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chart.Series[seriesName].LabelAngle = -75;
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chart.Series[seriesName].BorderWidth = 3;
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chart.Series[seriesName].LabelBorderWidth = 5;
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if (isShowBFH)
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{
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chart.Series[seriesName].YAxisType = AxisType.Secondary;
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}
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}
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}
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/// <summary>
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/// Name：设置标题
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///
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="chartName">图表名称</param>
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/// <param name="font">字体</param>
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/// <param name="docking">停靠位置</param>
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/// <param name="foreColor">前景色</param>
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public static void SetTitle(Chart chart, string chartName, Font font, Docking docking, Color foreColor)
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{
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chart.Titles.Add(chartName);
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chart.Titles[0].Font = font;
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chart.Titles[0].Docking = docking;
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chart.Titles[0].ForeColor = foreColor;
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}
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/// <summary>
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/// Name：设置样式
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/// 2019-04-23 14:04
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="backColor">背景颜色</param>
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/// <param name="foreColor">字体颜色</param>
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public static void SetStyle(Chart chart, Color backColor, Color foreColor)
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{
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chart.BackColor = backColor;
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chart.ChartAreas[0].BackColor = backColor;
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chart.ForeColor = Color.Red;
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}
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/// <summary>
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/// Name：设置图例
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/// Author：
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="docking">停靠位置</param>
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/// <param name="align">对齐方式</param>
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/// <param name="backColor">背景颜色</param>
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/// <param name="foreColor">字体颜色</param>
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public static void SetLegend(Chart chart, Docking docking, StringAlignment align, Color backColor, Color foreColor)
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{
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Font myFont = GetFont(9.0f, FontStyle.Regular);
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chart.Legends[0].Docking = docking;
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chart.Legends[0].Alignment = align;
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chart.Legends[0].BackColor = backColor;
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chart.Legends[0].ForeColor = foreColor;
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chart.Legends[0].Font = myFont;
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}
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/// <summary>
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/// Name：设置XY轴
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/// Author：
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="xTitle">X轴标题</param>
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/// <param name="yTitle">Y轴标题</param>
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/// <param name="Angle">角度</param>
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/// <param name="align">坐标轴标题对齐方式</param>
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/// <param name="foreColor">坐标轴字体颜色</param>
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/// <param name="lineColor">坐标轴颜色</param>
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/// <param name="arrowStyle">坐标轴箭头样式</param>
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/// <param name="xInterval">X轴的间距</param>
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/// <param name="isShowBFH">是否显示百分比</param>
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/// <param name="isShowTime">是否显示时间</param>
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public static void SetXY(Chart chart, string xTitle, string yTitle, int Angle, StringAlignment align, Color foreColor, Color lineColor, AxisArrowStyle arrowStyle, double xInterval, bool isShowBFH, bool isShowTime = false)
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{
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Font myFont = GetFont(15f, FontStyle.Regular);
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chart.ChartAreas[0].AxisX.TitleForeColor = foreColor;
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chart.ChartAreas[0].AxisX.LabelStyle = new LabelStyle() { ForeColor = foreColor };
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chart.ChartAreas[0].AxisX.LabelStyle.Angle = Angle;
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chart.ChartAreas[0].AxisX.LineColor = lineColor;
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chart.ChartAreas[0].AxisX.LabelStyle.ForeColor = lineColor;
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chart.ChartAreas[0].AxisX.ArrowStyle = arrowStyle;
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chart.ChartAreas[0].AxisX.Interval = xInterval;
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chart.ChartAreas[0].AxisX.Title = xTitle;
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chart.ChartAreas[0].AxisX.TitleAlignment = align;
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chart.ChartAreas[0].AxisY.TitleForeColor = foreColor;
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chart.ChartAreas[0].AxisY.LabelStyle = new LabelStyle() { ForeColor = foreColor };
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chart.ChartAreas[0].AxisY.LineColor = lineColor;
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chart.ChartAreas[0].AxisY.LabelStyle.ForeColor = lineColor;
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chart.ChartAreas[0].AxisY.ArrowStyle = arrowStyle;
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chart.ChartAreas[0].AxisY.Title = yTitle;
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chart.ChartAreas[0].AxisY.TitleAlignment = align;
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if (isShowBFH)
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{
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chart.ChartAreas[0].AxisY2.Minimum = 0;
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chart.ChartAreas[0].AxisY2.Maximum = 1.2;
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chart.ChartAreas[0].AxisY2.Interval = 0.2;
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chart.ChartAreas[0].AxisY2.LabelStyle = new LabelStyle() { ForeColor = foreColor };
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chart.ChartAreas[0].AxisY2.LineColor = lineColor;
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chart.ChartAreas[0].AxisY2.LabelStyle.ForeColor = lineColor;
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chart.ChartAreas[0].AxisY2.LabelStyle.Format = "0.00%";
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}
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////设置图表显示样式
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if (isShowTime)
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{
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chart.ChartAreas[0].AxisX.LabelStyle.Format = "HH:mm:ss"; //毫秒格式： hh:mm:ss.fff ，后面几个f则保留几位毫秒小数，此时要注意轴的最大值和最小值不要差太大
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chart.ChartAreas[0].AxisX.LabelStyle.IntervalType = DateTimeIntervalType.Seconds;
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chart.ChartAreas[0].AxisX.Interval = xInterval; //坐标值间隔1S
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chart.ChartAreas[0].AxisX.LabelStyle.IsEndLabelVisible = false; //防止X轴坐标跳跃
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chart.ChartAreas[0].AxisX.MajorGrid.IntervalType = DateTimeIntervalType.Seconds;
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//chart.ChartAreas[0].AxisY.L = 1; //网格间隔
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chart.ChartAreas[0].AxisX.Minimum = DateTime.Now.ToOADate(); //当前时间
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chart.ChartAreas[0].AxisX.Maximum = DateTime.Now.ToOADate();
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}
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}
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/// <summary>
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/// Name：设置网格
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/// Author：
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/// </summary>
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/// <param name="chart">图表对象</param>
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/// <param name="lineColor">网格线颜色</param>
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/// <param name="xInterval">X轴网格的间距</param>
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/// <param name="yInterval">Y轴网格的间距</param>
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/// <param name="isMajorGridX">是否显示X轴网格</param>
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/// <param name="isMajorGridY">是否显示Y轴网格</param>
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public static void SetMajorGrid(Chart chart, Color lineColor, double xInterval, double yInterval, bool isMajorGridX = false, bool isMajorGridY = false)
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{
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chart.ChartAreas[0].AxisX.MajorGrid.Enabled = isMajorGridX;
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chart.ChartAreas[0].AxisY.MajorGrid.Enabled = isMajorGridY;
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chart.ChartAreas[0].AxisY2.MajorGrid.Enabled = isMajorGridY;
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if (isMajorGridX)
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{
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chart.ChartAreas[0].AxisX.MajorGrid.LineColor = lineColor;
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chart.ChartAreas[0].AxisX.MajorGrid.Interval = xInterval;
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chart.ChartAreas[0].AxisX.MajorGrid.LineDashStyle = ChartDashStyle.Dash;
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}
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if (isMajorGridY)
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{
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chart.ChartAreas[0].AxisY.MajorGrid.LineColor = lineColor;
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chart.ChartAreas[0].AxisY.MajorGrid.Interval = yInterval;
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chart.ChartAreas[0].AxisY.MajorGrid.LineDashStyle = ChartDashStyle.Dash;
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}
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}
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}
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} |