public int CalcLabelWidth(FormulaCanvas Canvas)
{
Graphics currentGraph = Canvas.CurrentGraph;
this.CalcLableLine(Canvas);
int num = -2147483648;
if (this.AutoFormat)
{
if ((this.MaxY <= 10.0) && (this.MinY < 1.0))
{
this.format = "f3";
}
else
{
this.format = "f2";
}
}
for (int i = -1; i < this.LabelValues.Length; i++)
{
string str;
if (i < 0)
{
str = this.MultiplyFactorToString();
}
else
{
str = (this.LabelValues[i] / this.MultiplyFactor).ToString(this.Format);
}
num = Math.Max(num, (int)currentGraph.MeasureString(str, this.LabelFont).Width);
}
return(num);
}
public void Render(FormulaCanvas Canvas, FormulaArea fa)
{
if (this.Visible)
{
if (fa.AxisY.AxisPos == AxisPos.Left)
{
this.Rect.X--;
}
Graphics currentGraph = Canvas.CurrentGraph;
this.Back.Render(currentGraph, this.Rect);
}
if (this.MajorTick.Visible || this.MinorTick.Visible)
{
double[] data = fa.Parent.DataProvider["DATE"];
this.fdDate = new FormulaData(data);
this.fdDate.Canvas = Canvas;
this.fdDate.AxisY = fa.AxisY;
PointF[] points = this.fdDate.GetPoints();
this.MajorTick.DataCycle = this.DataCycle;
this.MajorTick.Format = this.Format;
this.MajorTick.DateFormatProvider = this.DateFormatProvider;
this.MajorTick.DrawXAxisTick(Canvas, data, this.fdDate, points, this, this.IntradayInfo);
this.MinorTick.DrawXAxisTick(Canvas, data, this.fdDate, points, this, this.IntradayInfo);
}
}
private void CalcLableLine(FormulaCanvas Canvas)
{
double minY = this.MinY;
double maxY = this.MaxY;
if (this.ShowAsPercent)
{
minY = (minY / this.RefValue) - 1.0;
maxY = (maxY / this.RefValue) - 1.0;
}
double d = maxY - minY;
double num4 = Math.Pow(10.0, Math.Floor(Math.Log10(d)) + 1.0);
double[] numArray = new double[] { 2.0, 2.5, 2.0 };
for (int i = 0; (((d / num4) * Canvas.LabelHeight) * 3.0) < Canvas.Rect.Height; i++)
{
num4 /= numArray[i % numArray.Length];
}
double num6 = Math.Floor((double)(minY / num4)) * num4;
double num7 = Math.Ceiling((double)(maxY / num4)) * num4;
int num8 = (int)((num7 - num6) / num4);
this.LabelPos = new float[num8 + 1];
this.LabelValues = new double[num8 + 1];
for (int j = 0; j <= num8; j++)
{
this.LabelValues[j] = num6 + (num4 * j);
if (this.ShowAsPercent)
{
this.LabelPos[j] = this.CalcY((this.LabelValues[j] + 1.0) * this.RefValue);
}
else
{
this.LabelPos[j] = this.CalcY(this.LabelValues[j]);
}
}
if (this.AutoMultiply && !this.ShowAsPercent)
{
this.MultiplyFactor = 1.0;
int[] numArray2 = new int[] { this.ZeroLog10(minY), this.ZeroLog10(maxY) };
if (Math.Sign(numArray2[1]) != Math.Sign(numArray2[0]))
{
numArray2[0] = 0;
}
foreach (int num10 in numArray2)
{
if (num10 > 3)
{
this.MultiplyFactor = Math.Max(this.MultiplyFactor, Math.Pow(10.0, (double)(num10 - 3)));
}
else if (num10 < -1)
{
this.MultiplyFactor = Math.Min(this.MultiplyFactor, Math.Pow(10.0, (double)(num10 + 1)));
}
}
}
}
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 == 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 == 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 == 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 == 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 = Area.FormulaDataArray.Count - 1; k >= 0; k--)
//(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 == AxisPos.Left)
{
right = FormulaAlign.Right;
}
label.DrawString(currentGraph, str3, this.LabelFont, label.TextBrush, VerticalAlign.Bottom, right, new PointF((float)left, this.CalcY(d)), false);
}
}
}
}
}
public void DrawXAxisTick(FormulaCanvas Canvas, double[] Date, FormulaData fdDate, PointF[] pfs, FormulaAxisX fax, ExchangeIntraday ei)
{
if (this.DataCycle != null)
{
int num = 0;
int sequence = 0;
string str = "";
int num3 = -10000;
int num4 = -1;
Graphics currentGraph = Canvas.CurrentGraph;
double num5 = 0.0;
if (Date.Length > 0)
{
num5 = Date[Date.Length - 1] - Date[0];
}
double[] numArray = Date;
if ((ei != null) && ei.NativeCycle)
{
numArray = new double[Date.Length];
for (int j = 0; j < numArray.Length; j++)
{
numArray[j] = ((int)Date[j]) + ei.OneDayTime(Date[j]);
}
}
for (int i = pfs.Length - 1; i >= 0; i--)
{
int index = ((Date.Length - 1) - Canvas.Start) - i;
double d = Date[index];
DateTime time = DateTime.FromOADate(d);
sequence = this.DataCycle.GetSequence(numArray[index]);
if (sequence != num)
{
PointF tf = pfs[i];
num = sequence;
if (this.ShowLine)
{
int bottom = Canvas.Rect.Bottom;
if (!fax.Visible)
{
bottom = Canvas.FrameRect.Bottom;
}
currentGraph.DrawLine(this.LinePen, tf.X, (float)Canvas.FrameRect.Top, tf.X, (float)bottom);
}
if (fax.Visible && this.ShowTick)
{
int tickWidth = this.TickWidth;
if (this.FullTick)
{
tickWidth = fax.Rect.Height;
}
if (this.Inside)
{
tickWidth = -tickWidth;
}
currentGraph.DrawLine(this.TickPen, tf.X, (float)fax.Rect.Top, tf.X, (float)(tickWidth + fax.Rect.Top));
}
string text = time.ToString(this.Format, this.DateFormatProvider);
int startIndex = text.IndexOf('{');
int num13 = text.IndexOf('}');
if (num13 > startIndex)
{
string str2 = text.Substring(startIndex + 1, (num13 - startIndex) - 1);
if (str2 != str)
{
text = text.Remove(startIndex, 1).Remove(num13 - 1, 1);
}
else
{
text = text.Substring(0, startIndex) + text.Substring(num13 + 1);
}
str = str2;
}
Font labelFont = fax.LabelFont;
float width = currentGraph.MeasureString(text, labelFont).Width;
float x = tf.X;
switch (fax.AxisLabelAlign)
{
case AxisLabelAlign.TickCenter:
x -= width / 2f;
break;
case AxisLabelAlign.TickLeft:
x -= width;
break;
}
if (x < fax.Rect.Left)
{
x = fax.Rect.Left;
}
if ((fax.Visible && this.ShowText) && ((num3 + this.MinimumPixel) < x))
{
if (((ei == null) || ei.ShowFirstXLabel) || ((i < (pfs.Length - 1)) || (num5 > 1.0)))
{
currentGraph.DrawString(text, labelFont, fax.LabelBrush, x, (float)fax.Rect.Top);
num3 = (int)(x + width);
}
num4 = i;
}
}
}
}
}
