直接上效果图如下
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 | public partial class WaveChartUserCtrl : UserControl { Color axisColor = Color.FromArgb(69, 200, 255);//坐标颜色 Color scaleColor = Color.FromArgb(129, 137, 156);//刻度颜色 Font axisFont = new Font("宋体", 9, FontStyle.Bold);//坐标字体 /// <summary> /// 画板宽度 /// </summary> private float boardWidth; /// <summary> /// 画板高度 /// </summary> private float boardHeight; /// <summary> /// 垂直（纵向）边距（画图区域距离左右两边长度） /// </summary> private float verticalMargin; /// <summary> /// 平行（横向）边距（画图区域距离左右两边长度） /// </summary> private float horizontalMargin; /// <summary> /// 水平间距像素 /// </summary> private float horizontalBetween; /// <summary> /// 垂直间距像素 /// </summary> private float verticalBetween; /// <summary> /// 图表区域宽度 /// </summary> float chartWidth; /// <summary> /// 图表区域高度 /// </summary> float charHeight; /// <summary> /// 画图区域起点 /// </summary> PointF startPostion; /// <summary> /// 画图区域终点 /// </summary> PointF endPostion; /// <summary> /// 左边Y轴每个间隔值 /// </summary> private int leftIntervalValueY; /// <summary> /// 右边Y抽每个间隔值 /// </summary> private int rightIntervalValueY; /// <summary> /// X轴每个间隔值 /// </summary> //private int intervalValueX; /// <summary> /// X轴刻度线数量 /// </summary> private int xScaleCount = 20; /// <summary> /// X轴刻度线数量 /// </summary> public int XscaleCount { get { return xScaleCount; } set { xScaleCount = value; } } /// <summary> /// Y轴刻度线数量 /// </summary> private int yScaleCount = 8; /// <summary> /// Y轴刻度线数量 /// </summary> public int YscaleCount { get { return yScaleCount; } } private float leftmaxValue = 300; [Category("wyl")] [Description("左边坐标最大值")] public float LeftMaxValue { get { return leftmaxValue; } set { if (value <= LeftMinValue) { MessageBox.Show("最大值不能低于最小值！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning); //maxValue = 300; } else { leftmaxValue = value; } } } private float leftminValue = 0; /// <summary> /// 仪表盘显示的最小值 /// </summary> [Category("wyl")] [Description("左边坐标最小值")] public float LeftMinValue { get { return leftminValue; } set { if (value >= LeftMaxValue) { MessageBox.Show("最小值不能超过最大值！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning); //minValue = 0; } else { leftminValue = value; } } } private float rightmaxValue = 100; [Category("wyl")] [Description("右边坐标最大值")] public float RightMaxValue { get { return rightmaxValue; } set { if (value <= RightMinValue) { MessageBox.Show("最大值不能低于最小值！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { rightmaxValue = value; } } } private float rightminValue = 0; /// <summary> /// 仪表盘显示的最小值 /// </summary> [Category("wyl")] [Description("右边坐标最小值")] public float RightMinValue { get { return rightminValue; } set { if (value >= RightMaxValue) { MessageBox.Show("最小值不能超过最大值！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { rightminValue = value; //InitCanvas(); } } } private List<Color> lineColor = new List<Color> { Color.Red, Color.FromArgb(0, 192, 0) }; [Category("wyl")] [Description("线条颜色")] public List<Color> LineColor { get { return lineColor; } set { if (value != null && value.Count > 1) { lineColor = value; } } } /// <summary> /// 显示文字 /// </summary> string titlText1 = ""; /// <summary> /// 显示文字 /// </summary> [Category("wyl")] [Description("标题1")] public string TitlText1 { get { return titlText1; } set { titlText1 = value; } } /// <summary> /// 显示文字 /// </summary> string titlText2 = ""; /// <summary> /// 显示文字 /// </summary> [Category("wyl")] [Description("标题2")] public string TitlText2 { get { return titlText2; } set { titlText2 = value; } } /// <summary> /// 数据源1 /// </summary> private Series SeriesData1 = new Series(); /// <summary> /// 数据源2 /// </summary> private Series SeriesData2 = new Series(); /// <summary> /// 真实画布宽度为画板的80% ，其余部分预留。 /// </summary> private float canvasWidth; /// <summary> /// 最大X抽坐标为24H，最后记录一分钟记录一次 /// </summary> private int MaxXScaleCount = 720;//24 * 60 / 2;//2秒通讯一次，最大每一分钟记录一次 //private List<float> dataLst1 = new List<float>(); //private List<float> dataLst2 = new List<float>(); public DateTime startTime = DateTime.Now; public void InitCanvas() { boardWidth = this.ClientSize.Width; boardHeight = this.ClientSize.Height; horizontalMargin = 40; verticalMargin = 40; chartWidth = boardWidth - 2 * horizontalMargin;//画图区域宽度 charHeight = boardHeight - 2 * verticalMargin; //画图区域高度,axisY 避免与X轴重合 canvasWidth = chartWidth * 0.86F;//实际画布为画板的80% startPostion = new PointF(horizontalMargin, verticalMargin); endPostion = new PointF(boardWidth - horizontalMargin, boardHeight - verticalMargin); //SeriesData1.LineColor = Color.Red; //SeriesData2.LineColor = Color.FromArgb(0, 192, 0); } public WaveChartUserCtrl() { InitializeComponent(); this.SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.DoubleBuffer, true); InitCanvas(); } /// <summary> /// 画图 /// </summary> /// <param name="gp"></param> private void Drawing(Graphics gs) { System.Diagnostics.Stopwatch runstopwatch = new System.Diagnostics.Stopwatch(); runstopwatch.Start(); if (SeriesData1.Datas.Count > 20) { XscaleCount = SeriesData1.Datas.Count; } horizontalBetween = canvasWidth / XscaleCount; verticalBetween = charHeight / YscaleCount; //intervalValueX = 1;// leftIntervalValueY = (int)(LeftMaxValue - LeftMinValue) / YscaleCount; rightIntervalValueY = (int)(RightMaxValue - RightMinValue) / YscaleCount; try { StringFormat strFmt = new System.Drawing.StringFormat(); strFmt.Alignment = StringAlignment.Center; //文本水平居中 strFmt.LineAlignment = StringAlignment.Center; //文本垂直居中 Pen axisPen = new Pen(scaleColor, 1.0F);//坐标文字 Bitmap bit = new Bitmap((int)boardWidth, (int)boardHeight); Graphics g = Graphics.FromImage(bit); //g.DrawString(TitlText, new Font("宋体", 9, FontStyle.Bold), new SolidBrush(SeriesData1.LineColor), 5, 10); float tempEndPointY = endPostion.Y; //Y轴格 for (int i = 0; i <= YscaleCount; i++) { float y = tempEndPointY - i * verticalBetween; g.DrawLine(axisPen, startPostion.X, y, endPostion.X, y); string leftText = (LeftMinValue + (i * leftIntervalValueY)).ToString(); SizeF sf = g.MeasureString(leftText, axisFont); RectangleF rf = new RectangleF(startPostion.X - 30, y - sf.Height / 2, 30, sf.Height); g.DrawString(leftText, axisFont, new SolidBrush(LineColor[0]), rf, strFmt); string rightText = (RightMinValue + (i * rightIntervalValueY)).ToString(); sf = g.MeasureString(rightText, axisFont); RectangleF rf1 = new RectangleF(endPostion.X + 5, y - sf.Height / 2, 30, sf.Height); g.DrawString(rightText, axisFont, new SolidBrush(LineColor[1]), rf1, strFmt); } //画曲线 if (SeriesData1 != null) { strFmt.Alignment = StringAlignment.Near; // RectangleF rf = new RectangleF(0, 0, 70, 30); g.DrawString(TitlText1, new Font("宋体", 10, FontStyle.Bold), new SolidBrush(LineColor[0]), rf, strFmt); //计算0值的坐标 int tempv = (int)((Math.Abs(LeftMinValue) - 0) / leftIntervalValueY);//得到0到最小值的间隔距离； float zeroY = tempEndPointY - tempv * verticalBetween;//值为0点Y抽坐标； if (SeriesData1.Datas.Count > 1) { int dataIndex = 0; PointF[] arrDataPoint = new PointF[SeriesData2.Datas.Count]; int index = 0; foreach (PointF pf in SeriesData1.Datas) { PointF p = new PointF(); p.X = startPostion.X + horizontalBetween * index; p.Y = zeroY - verticalBetween * pf.Y / leftIntervalValueY; arrDataPoint[dataIndex++] = p; index++; } g.DrawCurve(new Pen(new SolidBrush(LineColor[0]), 2F), arrDataPoint); PointF[] AreaPf = new PointF[arrDataPoint.Length + 2]; int AreaIndxe = 0; AreaPf[AreaIndxe++] = new PointF(startPostion.X, zeroY); foreach (PointF p in arrDataPoint) { AreaPf[AreaIndxe++] = p; } AreaPf[AreaIndxe++] = new PointF(arrDataPoint[arrDataPoint.Length - 1].X, zeroY); g.FillPolygon(new SolidBrush(Color.FromArgb(50, LineColor[0])), AreaPf); //g.FillClosedCurve(new SolidBrush(Color.FromArgb(50, SeriesData1.LineColor)), AreaPf); //g.DrawEllipse(new Pen(Brushes.Red), startPostion.X, zeroY, 10, 10); } } if (SeriesData2 != null) { strFmt.Alignment = StringAlignment.Far; // RectangleF rf = new RectangleF(boardWidth - 70, 0, 70, 30); g.DrawString(TitlText2, new Font("宋体", 10, FontStyle.Bold), new SolidBrush(LineColor[1]), rf, strFmt); //计算0值的坐标 int tempv = (int)((Math.Abs(RightMinValue) - 0) / rightIntervalValueY);//得到0到最小值的间隔距离； float zeroY = tempEndPointY - tempv * verticalBetween;//值为0点Y抽坐标； if (SeriesData2.Datas.Count > 1) { int dataIndex = 0; PointF[] arrDataPoint = new PointF[SeriesData2.Datas.Count]; int index = 0; foreach (PointF pf in SeriesData2.Datas) { PointF p = new PointF(); p.X = startPostion.X + horizontalBetween * index; p.Y = zeroY - verticalBetween * pf.Y / rightIntervalValueY; arrDataPoint[dataIndex++] = p; index++; } g.DrawCurve(new Pen(new SolidBrush(LineColor[1]), 2F), arrDataPoint); PointF[] AreaPf = new PointF[arrDataPoint.Length + 2]; int AreaIndxe = 0; AreaPf[AreaIndxe++] = new PointF(startPostion.X, zeroY); foreach (PointF p in arrDataPoint) { AreaPf[AreaIndxe++] = p; } AreaPf[AreaIndxe++] = new PointF(arrDataPoint[SeriesData2.Datas.Count - 1].X, zeroY); g.FillPolygon(new SolidBrush(Color.FromArgb(50, LineColor[1])), AreaPf); } } g.DrawString(startTime.ToString("HH:mm:ss"), new Font("宋体", 10, FontStyle.Regular), Brushes.White, 10, this.ClientSize.Height - 30); g.DrawString(DateTime.Now.ToString("HH:mm:ss"), new Font("宋体", 10, FontStyle.Regular), Brushes.White, this.ClientSize.Width - 80, this.ClientSize.Height - 30); g.DrawString("Time/H", new Font("宋体", 12, FontStyle.Regular), Brushes.Wheat, 0, this.ClientSize.Height - 15); gs.DrawImage(bit, 0, 0); g.Dispose(); runstopwatch.Stop(); TimeSpan timespan = runstopwatch.Elapsed; Console.WriteLine("Drawing:" + timespan.ToString()); } catch (Exception ex) { Console.WriteLine(ex.Message); } } private void WaveChartUserCtrl_Resize(object sender, EventArgs e) { InitCanvas(); this.Refresh(); } private void WaveChartUserCtrl_Paint(object sender, PaintEventArgs e) { Drawing(e.Graphics); } public void AddSeriesData(List<float> dataLst1, List<float> dataLst2) { //System.Diagnostics.Stopwatch runstopwatch = new System.Diagnostics.Stopwatch(); //runstopwatch.Start(); //dataLst1.Add(y1); //dataLst2.Add(y2); //if (dataLst1.Count > 86400) //{ // dataLst1.RemoveAt(0); //} //if (dataLst2.Count > 86400) //{ // dataLst2.RemoveAt(0); //} int tempx = dataLst1.Count / MaxXScaleCount + 1; SeriesData1.Datas.Clear(); for (int index = 0; index < dataLst1.Count; index++) { PointF p1 = new PointF(0, dataLst1[index]); if (index % tempx == 0 || index == dataLst1.Count) { SeriesData1.Datas.Add(p1); } } SeriesData2.Datas.Clear(); for (int index = 0; index < dataLst2.Count; index++) { PointF p2 = new PointF(0, dataLst2[index]); if (index % tempx == 0 || index == dataLst2.Count) { SeriesData2.Datas.Add(p2); } } //runstopwatch.Stop(); //TimeSpan timespan = runstopwatch.Elapsed; //Console.WriteLine(timespan.ToString()); //this.Refresh(); } } /// <summary> /// 数据系列管理 /// </summary> public class Series { /// <summary> /// 标题 /// </summary> public string HeadText = "title"; Color lineColor = Color.Red; /// <summary> /// 当前画笔颜色 /// </summary> public Color LineColor { get { return lineColor; } set { lineColor = value; } } public List<PointF> Datas = new List<PointF>(); } |
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