public void TestPackUnpack() { // подготовить липу var lstEq = new List <EquityOnTime>(); var timeStart = DateTime.Now.Date.AddDays(-190); var timeEnd = DateTime.Now.Date; var i = 0; for (var date = timeStart; date < timeEnd; date = date.AddDays(1)) { var y = 1.5 + Math.Sin(i++ / 20.0); lstEq.Add(new EquityOnTime((float)y, date)); } // упаковать var chartMini = MiniChartPacker.PackChartInArray(lstEq); Assert.Greater(chartMini.Length, 0, "Chart is not empty"); var min = chartMini.Min(); var max = chartMini.Max(); Assert.Greater(max - min, 250, "Chart range is close to 255"); // распаковать var points = MiniChartPacker.MakePolygon(chartMini, 60, 30, 2, 2); Assert.AreEqual(chartMini.Length + 2, points.Length, "unpacked has the same size"); }
public void DataBind(List <PerformerStatEx> performerStats, ChatControlBackEnd chat) { var images = imgListChartMini.Images.Cast <Image>().ToList(); imgListChartMini.Images.Clear(); foreach (var img in images) { img.Dispose(); } var data = new List <PerformerStatEx>(); // UserScore вычисляется на сервере // RecalcUserScore(performerStats); var userInfoExSource = new UserInfoExCache(TradeSharpAccountStatistics.Instance.proxy); var usersInfoEx = userInfoExSource.GetUsersInfo(performerStats.Select(p => p.UserId).Distinct().ToList()); var rowColors = new[] { Color.Red, Color.ForestGreen, Color.Black }; var stringFormat = new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Center }; using (var font = new Font(Font.FontFamily, 7)) foreach (var performerStat in performerStats) { // создать картинку с графиком var bmp = new Bitmap(imgListChartMini.ImageSize.Width, imgListChartMini.ImageSize.Height); if (performerStat.Chart != null) { using (var gr = Graphics.FromImage(bmp)) { var leftValue = performerStat.AvgYearProfit; var leftText = string.Format("{0:f2}%", leftValue); var leftTextWidth = gr.MeasureString(leftText, font).ToSize().Width; var rightValue = performerStat.ProfitLastMonthsAbs; var rightText = rightValue.ToStringUniformMoneyFormat(false); var textWidth = leftTextWidth + gr.MeasureString(rightText, font).ToSize().Width; if (!ShowLabelsInMiniChart) { textWidth = 0; } PointF[] points; if (ChartBrush != null) { points = MiniChartPacker.MakePolygon(performerStat.Chart, imgListChartMini.ImageSize.Width - textWidth, imgListChartMini.ImageSize.Height, 1, 1); } else { points = MiniChartPacker.MakePolyline(performerStat.Chart, imgListChartMini.ImageSize.Width - textWidth, imgListChartMini.ImageSize.Height, 1, 1); } gr.SmoothingMode = SmoothingMode.AntiAlias; gr.TextRenderingHint = TextRenderingHint.AntiAliasGridFit; if (ShowLabelsInMiniChart) { for (var i = 0; i < points.Length; i++) { points[i] = new PointF(points[i].X + leftTextWidth, points[i].Y); } gr.DrawString(leftText, font, new SolidBrush(leftValue >= 0 ? rowColors[1] : rowColors[0]), 0, imgListChartMini.ImageSize.Height / 2, stringFormat); gr.DrawString(rightText, font, new SolidBrush(rightValue >= 0 ? rowColors[1] : rowColors[0]), imgListChartMini.ImageSize.Width - textWidth + leftTextWidth, imgListChartMini.ImageSize.Height / 2, stringFormat); } if (ChartBrush != null) { gr.FillPolygon(ChartBrush, points); } else { gr.DrawLines(ChartPen ?? new Pen(leftValue >= 0 ? rowColors[1] : rowColors[0], 2), points); } } } var item = new PerformerStatEx(performerStat) { ChartIndex = imgListChartMini.Images.Count }; imgListChartMini.Images.Add(bmp); imgListChartMini.Images.SetKeyName(item.ChartIndex, item.ChartIndex.ToString()); // создать фотку UserInfoEx userInfoEx = null; if (usersInfoEx != null) { userInfoEx = usersInfoEx.Find(ui => ui != null && ui.Id == performerStat.UserId); } if (userInfoEx != null && userInfoEx.AvatarSmall != null) { item.AvatarSmallIndex = imgListAvatar.Images.Count; imgListAvatar.Images.Add(userInfoEx.AvatarSmall); imgListAvatar.Images.SetKeyName(item.AvatarSmallIndex, item.AvatarSmallIndex.ToString()); } else { item.AvatarSmallIndex = -1; } data.Add(item); } grid.DataBind(data); grid.Invalidate(); if (this.chat != null) { this.chat.RoomsReceived -= RoomsReceived; } this.chat = chat; if (chat == null) { return; } chat.RoomsReceived += RoomsReceived; chat.GetRooms(); }