/// <summary> /// Render Y-axis /// </summary> /// <param name="Canvas"></param> /// <param name="Area"></param> public void Render(FormulaCanvas Canvas, FormulaArea Area) { CalcLableLine(Canvas); Rectangle R = FrameRect; //Canvas.FrameRect; Graphics g = Canvas.CurrentGraph; int X = R.Left; if (AxisPos == AxisPos.Left) { X = R.Right; } int w1 = majorTick.TickWidth; if (majorTick.FullTick) { w1 = R.Width; } if (majorTick.Inside) { w1 = -w1; } int w2 = MinorTick.TickWidth; if (MinorTick.FullTick) { w2 = R.Width; } if (MinorTick.Inside) { w2 = -w2; } if (AxisPos == AxisPos.Left) { w1 = -w1; w2 = -w2; } Back.Render(g, R); if (!LineBinded) { return; } Pen MajorLinePen = majorTick.LinePen.GetPen(); Pen MajorTickPen = majorTick.TickPen.GetPen(); Pen MinorLinePen = minorTick.LinePen.GetPen(); Pen MinorTickPen = minorTick.TickPen.GetPen(); float LastY = float.MaxValue; Brush LB = labelBrush.GetBrush(); for (int i = 0; i < LabelPos.Length; i++) { if (LabelPos[i] >= Canvas.Rect.Top && LabelPos[i] <= Canvas.Rect.Bottom) { int TextX = X; double d = (LabelValues[i] / MultiplyFactor); string s = FormulaHelper.FormatDouble(d, format); SizeF LabelSize = g.MeasureString(s, LabelFont); if (AxisPos == AxisPos.Left) { TextX -= (int)LabelSize.Width; if (w1 < 0) { TextX += w1; } } else { if (w1 > 0) { TextX += w1; } } float TextY = LabelPos[i] - Canvas.LabelHeight / 2; if (majorTick.ShowText && LastY - TextY > LabelSize.Height) { g.DrawString( s, labelFont, LB, TextX, TextY); LastY = TextY; } if (majorTick.ShowLine) { g.DrawLine(MajorLinePen, Canvas.Rect.Left, LabelPos[i], Canvas.Rect.Right, LabelPos[i]); } if (majorTick.ShowTick) { g.DrawLine(MajorTickPen, X, LabelPos[i], X + w1, LabelPos[i]); } } if (minorTick.Visible && !double.IsInfinity(LabelPos[i])) { if (i != LabelPos.Length - 1) { int TickCount = MinorTick.Count; if (minorTick.MinimumPixel != 0) { TickCount = (int)((LabelPos[i] - LabelPos[i + 1]) / MinorTick.MinimumPixel); } if (minorTick.ShowTick) { for (float d1 = LabelPos[i]; d1 > LabelPos[i + 1]; d1 += (float)(LabelPos[i + 1] - LabelPos[i]) / TickCount) { if (d1 >= R.Top && d1 <= R.Bottom) { g.DrawLine(MinorTickPen, X, d1, X + w2, d1); } } } } } } // if (customTick.Visible) // { // for(int i=0; i<CustomPos.Length; i++) // { // if (customTick.ShowText && LastY-TextY>LabelSize.Height) // { // g.DrawString( // s, // labelFont, // LB, // TextX, // TextY); // LastY = TextY; // } // // if (customTick.ShowLine) // g.DrawLine(MajorLinePen,Canvas.Rect.Left,CustomPos[i],Canvas.Rect.Right,CustomPos[i]); // } // } // Draw multiply factor if (MultiplyFactor != 1) { string s = MultiplyFactorToString(); Rectangle MR = R; MR.Y = (int)(MR.Bottom - Canvas.LabelHeight - 2); if (Area.AxisX.Visible) { MR.Y -= (int)(Canvas.LabelHeight / 2 + 1); } MR.Height = (int)Canvas.LabelHeight; MR.Width = (int)g.MeasureString(s, LabelFont).Width + 1; if (AxisPos == AxisPos.Left) { MR.Offset(R.Width - MR.Width - 2, 0); } MultiplyBack.Render(g, MR); g.DrawString(s, LabelFont, LB, MR); } //Draw selected frame if (Area.Selected) { if (Area.SelectedPen != null) { Rectangle SelectRect = R; SelectRect.Inflate(-1, -1); g.DrawRectangle(Area.SelectedPen, SelectRect); } } LatestValueType lvt = Area.Parent.LatestValueType; if (lvt != LatestValueType.None) { for (int i = 0; i < Area.FormulaDataArray.Count; i++) { bool IsUp; double d = GetLastValue(Canvas, Area, i, out IsUp); if (!double.IsNaN(d)) { // } FormulaData f = Area.FormulaDataArray[i]; // if (Area.AxisYs[f.AxisYIndex]==this && // ((lvt==LatestValueType.All && !f.TextInvisible) || // ((lvt==LatestValueType.All || lvt==LatestValueType.StockOnly) && f.RenderType==FormulaRenderType.STOCK) || // (lvt==LatestValueType.Custom && f.LastValueInAxis) )) // { FormulaLabel fl = Area.Labels[2]; if (lvt != LatestValueType.StockOnly) { fl = (FormulaLabel)fl.Clone(); Pen p = Area.GetCurrentPen(f, i); fl.BGColor = Color.FromArgb(255, p.Color); if (fl.BGColor == Color.Empty) { fl.BGColor = Color.White; } fl.SetProperTextColor(); } // int Start = Math.Max(0,Canvas.Start); // if (f.Length>Start) // { // int LastIndex = f.Length-1-Start; // for(int k = f.Length-1-Start; k>=0; k--) // if (!double.IsNaN(f[k])) // { // LastIndex = k; // break; // } // // double d = f[LastIndex]; if (lvt == LatestValueType.StockOnly) { // if (LastIndex>0) // if (f[LastIndex-1]>d) if (!IsUp) { fl = Area.Labels[1]; } } string s = " " + FormulaHelper.FormatDouble(d / MultiplyFactor, format); FormulaAlign fa = FormulaAlign.Left; if (AxisPos == AxisPos.Left) { fa = FormulaAlign.Right; } fl.DrawString(g, s, LabelFont, fl.TextBrush, VerticalAlign.Bottom, fa, new PointF(X, CalcY(d)), false); // } } } } }
public void Render(FormulaCanvas Canvas, FormulaArea Area) { this.CalcLableLine(Canvas); Rectangle frameRect = this.FrameRect; Graphics currentGraph = Canvas.CurrentGraph; int left = frameRect.Left; if (this.AxisPos == Easychart.Finance.AxisPos.Left) { left = frameRect.Right; } int tickWidth = this.MajorTick.TickWidth; if (this.MajorTick.FullTick) { tickWidth = frameRect.Width; } if (this.MajorTick.Inside) { tickWidth = -tickWidth; } int width = this.MinorTick.TickWidth; if (this.MinorTick.FullTick) { width = frameRect.Width; } if (this.MinorTick.Inside) { width = -width; } if (this.AxisPos == Easychart.Finance.AxisPos.Left) { tickWidth = -tickWidth; width = -width; } this.Back.Render(currentGraph, frameRect); float maxValue = float.MaxValue; for (int i = 0; i < this.LabelPos.Length; i++) { if ((this.LabelPos[i] >= Canvas.Rect.Top) && (this.LabelPos[i] <= Canvas.Rect.Bottom)) { int num6 = left; string text = (this.LabelValues[i] / this.MultiplyFactor).ToString(this.Format); SizeF ef = currentGraph.MeasureString(text, this.LabelFont); if (this.AxisPos == Easychart.Finance.AxisPos.Left) { num6 -= (int)ef.Width; if (tickWidth < 0) { num6 += tickWidth; } } else if (tickWidth > 0) { num6 += tickWidth; } float y = this.LabelPos[i] - (Canvas.LabelHeight / 2f); if ((maxValue - y) > ef.Height) { currentGraph.DrawString(text, this.LabelFont, this.LabelBrush, (float)num6, y); maxValue = y; } if (this.MajorTick.ShowLine) { currentGraph.DrawLine(this.MajorTick.LinePen, (float)Canvas.Rect.Left, this.LabelPos[i], (float)Canvas.Rect.Right, this.LabelPos[i]); } if (this.MajorTick.ShowTick) { currentGraph.DrawLine(this.MajorTick.TickPen, (float)left, this.LabelPos[i], (float)(left + tickWidth), this.LabelPos[i]); } } if ((this.MinorTick.Visible && !double.IsInfinity((double)this.LabelPos[i])) && (i != (this.LabelPos.Length - 1))) { int count = this.MinorTick.Count; if (this.MinorTick.MinimumPixel != 0) { count = (int)((this.LabelPos[i] - this.LabelPos[i + 1]) / ((float)this.MinorTick.MinimumPixel)); } for (float j = this.LabelPos[i]; j > this.LabelPos[i + 1]; j += (this.LabelPos[i + 1] - this.LabelPos[i]) / ((float)count)) { if ((j >= frameRect.Top) && (j <= frameRect.Bottom)) { currentGraph.DrawLine(this.MinorTick.TickPen, (float)left, j, (float)(left + width), j); } } } } if (this.MultiplyFactor != 1.0) { string str2 = this.MultiplyFactorToString(); Rectangle r = frameRect; r.Y = (int)((r.Bottom - Canvas.LabelHeight) - 2f); if (Area.AxisX.Visible) { r.Y -= (int)((Canvas.LabelHeight / 2f) + 1f); } r.Height = (int)Canvas.LabelHeight; r.Width = ((int)currentGraph.MeasureString(str2, this.LabelFont).Width) + 1; if (this.AxisPos == Easychart.Finance.AxisPos.Left) { r.Offset((frameRect.Width - r.Width) - 2, 0); } this.MultiplyBack.Render(currentGraph, r); currentGraph.DrawString(str2, this.LabelFont, this.LabelBrush, r); } if (Area.Selected && (Area.SelectedPen != null)) { Rectangle rect = frameRect; rect.Inflate(-1, -1); currentGraph.DrawRectangle(Area.SelectedPen, rect); } LatestValueType latestValueType = Area.Parent.LatestValueType; if (latestValueType != LatestValueType.None) { for (int k = 0; k < Area.FormulaDataArray.Count; k++) { FormulaData data = Area.FormulaDataArray[k]; if ((!data.TextInvisible || (data.RenderType == FormulaRenderType.STOCK)) && (((latestValueType == LatestValueType.All) || ((latestValueType == LatestValueType.StockOnly) && (Area.AxisYs[data.AxisYIndex] == this))) || ((latestValueType == LatestValueType.Custom) && data.LastValueInAxis))) { FormulaLabel label = Area.Labels[2]; if (latestValueType != LatestValueType.StockOnly) { label = (FormulaLabel)label.Clone(); Pen currentPen = Area.GetCurrentPen(k); label.BGColor = currentPen.Color; if (label.BGColor == Color.Empty) { label.BGColor = Color.White; } label.SetProperTextColor(); } if (data.Length > Canvas.Start) { double d = data[(data.Length - 1) - Canvas.Start]; if (((latestValueType == LatestValueType.StockOnly) && (data.Length > (Canvas.Start + 1))) && (data[(data.Length - 2) - Canvas.Start] > d)) { label = Area.Labels[1]; } string str3 = " " + ((d / this.MultiplyFactor)).ToString(this.Format); FormulaAlign right = FormulaAlign.Left; if (this.AxisPos == Easychart.Finance.AxisPos.Left) { right = FormulaAlign.Right; } label.DrawString(currentGraph, str3, this.LabelFont, label.TextBrush, VerticalAlign.Bottom, right, new PointF((float)left, this.CalcY(d)), false); } } } } }