public ChartDragInfo(FormulaChart Chart, FormulaHitInfo HitInfo)
{
this.HitInfo = HitInfo;
this.AreaHeight = new int[Chart.Areas.Count];
FormulaAxisY axisY = HitInfo.AxisY;
if ((axisY == null) && (HitInfo.Area != null))
{
axisY = HitInfo.Area.AxisY;
}
if (axisY != null)
{
this.AreaMinY = axisY.MinY;
this.AreaMaxY = axisY.MaxY;
}
for (int i = 0; i < Chart.Areas.Count; i++)
{
FormulaArea area = Chart.Areas[i];
this.AreaHeight[i] = area.Rect.Height;
}
this.StartTime = Chart.StartTime;
this.EndTime = Chart.EndTime;
}
/// <summary>
/// Constructor of ChartDragInfo
/// </summary>
/// <param name="Chart">FormulaChart instance</param>
/// <param name="HitInfo">The Hit information of the dragging start point</param>
public ChartDragInfo(FormulaChart Chart, FormulaHitInfo HitInfo)
{
this.HitInfo = HitInfo;
AreaHeight = new int[Chart.Areas.Count];
FormulaAxisY fay = HitInfo.AxisY;
if (fay == null && HitInfo.Area != null)
{
fay = HitInfo.Area.AxisY;
}
if (fay != null)
{
AreaMinY = fay.MinY;
AreaMaxY = fay.MaxY;
}
for (int i = 0; i < Chart.Areas.Count; i++)
{
FormulaArea fa = Chart.Areas[i];
AreaHeight[i] = fa.Rect.Height;
}
StartTime = Chart.StartTime;
EndTime = Chart.EndTime;
}
//Random Rnd = new Random();
private void BindChart()
{
string Quote1 = tbQuote1.Text;
string Quote2 = tbQuote2.Text;
FormulaChart fc = new FormulaChart();
// Compare two closing data
fc.AddArea("CmpIndi(" + tbQuote2.Text + ",CLOSE)", 2);
// Compare two RSI(14) of two stocks
fc.AddArea("CmpIndi(" + tbQuote2.Text + ",RSI(14))");
fc.AddArea("SlowSTO(14,3,3)", tbQuote1.Text, 1);
fc.AddArea("SlowSTO(14,3,3)", tbQuote2.Text, 1);
// Set skin
fc.SetSkin(FormulaSkin.RedWhite);
DataManagerBase dmb = Utils.GetDataManager(Config.DefaultDataManager);
//MemoryStream ms = new MemoryStream();
try
{
// Bind data
fc.DataProvider = dmb[Quote1];
// Add another AxisY to the main panel
FormulaAxisY fay = fc[0].AddNewAxisY(AxisPos.Left, true, 1);
// Bind another stock to the second AxisY
//FormulaData fd = fc[0][1];
//fd.Transform = Transform.Normal;
//fd.AxisYIndex = 1;
fc.ShowCursorLabel = true;
DataTable dt = new DataTable();
dt.Columns.Add("Symbol");
dt.Columns.Add("Name");
dt.Columns.Add("Last");
dt.Columns.Add("Date");
dt.Columns.Add("Open");
dt.Columns.Add("High");
dt.Columns.Add("Low");
dt.Columns.Add("Close");
dt.Columns.Add("Volume");
dt.Columns.Add("Change");
tblChart.Visible = true;
int Width = (int)ibChart.Width.Value;
if (Width <= 0)
{
Width = 780;
}
int Height = (int)ibChart.Height.Value;
if (Height <= 0)
{
Height = 850;
}
ibChart.ImageUrl = "~/ImageFromCache.aspx?CacheId=" +
fc.SaveToImageStream(Width, Height, ImageFormat.Png,
Tools.ToIntDef(Request.Form[ibChart.ID + ".x"], 0),
Tools.ToIntDef(Request.Form[ibChart.ID + ".y"], 0));
AddDataToTable(dt, fc.DataProvider, fc.CursorPos);
IDataProvider idp2 = dmb[Quote2];
idp2.BaseDataProvider = fc.DataProvider;
AddDataToTable(dt, idp2, fc.CursorPos);
dgStockData.DataSource = dt;
dgStockData.DataBind();
}
catch (Exception ex)
{
lMsg.Text = ex.Message;
}
}
protected void Page_Load(object sender, System.EventArgs e)
{
int Height = 800;
int Width = 600;
Bitmap B;
try
{
long Start = DateTime.Now.Ticks;
ExchangeIntraday ei = null;
DateTime StartTime = DateTime.Today.AddMonths(-6);
DateTime EndTime = DateTime.Today;
string Param = Request.QueryString["Span"];
if (Param != null && Param != "")
{
DataCycle dc;
if (Param.Length > 2)
{
dc = DataCycle.Parse(Param);
}
else
{
dc = new DataCycle(DataCycleBase.MONTH, Tools.ToIntDef(Param, 6));
}
StartTime = EndTime - dc;
//StartTime = EndTime.AddMonths(-Tools.ToIntDef(Param,6));
}
//Create financial chart instance
FormulaChart fc = new FormulaChart();
string Main = Request.QueryString["Main"];
if (Main == null || Main == "")
{
fc.AddArea("MAIN", 3);
}
else
{
fc.AddArea(Main, 3);
}
string QuoteCode = Request.QueryString["Code"];
if (QuoteCode == null)
{
QuoteCode = "";
}
DataManagerBase dmb;
Param = Request.QueryString["Provider"];
if (Param == null)
{
Param = "";
}
if (string.Compare(Param, "DB", true) == 0)
{
//Create DBDataManager , Get stock data from sql server.
dmb = new DBDataManager();
((DBDataManager)dmb).AutoYahooToDB =
Request.QueryString["His"] != "0" && Config.AutoYahooToDB == 1;
if (Request.QueryString["RT"] == "1")
{
((DataManagerBase)dmb).DownloadRealTimeQuote = true;
}
}
else if (Param == "" || string.Compare(Param, "Yahoo", true) == 0)
{
//Create YahooDataManager , Get stock data from yahoo.
dmb = new YahooDataManager();
((YahooDataManager)dmb).CacheRoot = HttpRuntime.AppDomainAppPath + "Cache\\";
if (Config.IncludeTodayQuote == 1)
{
((DataManagerBase)dmb).DownloadRealTimeQuote = true;
}
}
else
{
string ManagerName = "WebDemos." + Param + "DataManager";
Type t = Type.GetType(ManagerName);
if (t == null)
{
throw new Exception(ManagerName + " not found!");
}
dmb = (DataManagerBase)Activator.CreateInstance(t);
if (dmb is IntraDataManagerBase)
{
ei = ExchangeIntraday.GetExchangeIntraday(Utils.GetExchange(QuoteCode));
((CacheDataManagerBase)dmb).CacheTimeSpan = TimeSpan.FromMilliseconds(Config.IntradayCacheTime * 1000);
//((CacheDataManagerBase)dmb).EnableFileCache = false;
StartTime = ei.GetCurrentTradingDay();
EndTime = StartTime.AddSeconds(3600 * 24 - 1);
QuoteCode = Utils.GetPart1(QuoteCode);
}
dmb.EndTime = Utils.ToDateDef(Request.QueryString["End"], EndTime);
dmb.StartTime = Utils.ToDateDef(Request.QueryString["Start"], StartTime);
}
int MainIndex = 0;
if (Config.SymbolCase == "Upper")
{
QuoteCode = QuoteCode.ToUpper();
}
else if (Config.SymbolCase == "Lower")
{
QuoteCode = QuoteCode.ToLower();
}
string[] QuoteCodes = QuoteCode.Split(',');
string Over = "";
QuoteCode = QuoteCodes[0];
for (int i = 1; i < QuoteCodes.Length; i++)
{
if (Over != "")
{
Over += ";";
}
Over += "Compare(" + QuoteCodes[i] + ")";
}
Param = Request.QueryString["IND"];
string[] Inds = null;
if (Param != null && Param != "")
{
Inds = Param.Split(';');
}
//Set stock chart size
Param = Request.QueryString["Size"];
try
{
if (Param != null && Param != "")
{
int i = Param.IndexOf('*');
if (i > 0)
{
Width = int.Parse(Param.Substring(0, i));
Height = int.Parse(Param.Substring(i + 1));
}
else
{
Width = int.Parse(Param);
Height = Width * 3 / 4;
if (Inds != null && Inds.Length > 1)
{
Height += Height / 5 * (Inds.Length - 2);
}
Height += 36;
}
}
}
catch
{
}
CommonDataProvider DataProvider = (CommonDataProvider)dmb[QuoteCode];
if (DataProvider == null)
{
throw new Exception(QuoteCode + " not found!");
}
if (dmb is IntraDataManagerBase)
{
fc.FixedTime = object.Equals(Request.QueryString["Fix"], "1");
if (fc.FixedTime)
{
DataProvider.IntradayInfo = ei;
}
}
if (DataProvider.Count == 0)
{
throw new Exception("No data found!");
}
fc[MainIndex].Formulas[0].Name = QuoteCode;
//Add MA lines to main stock view
Param = Request.QueryString["MA"];
if (Param != null && Param != "")
{
foreach (string s in Param.Split(';'))
{
if (s != "")
{
fc[MainIndex].AddFormula("FML.MA(" + s + ")");
}
}
}
//Add EMA lines to main stock view
Param = Request.QueryString["EMA"];
if (Param != null && Param != "")
{
foreach (string s in Param.Split(';'))
{
if (s != "")
{
fc[MainIndex].AddFormula("FML.EMA(" + s + ")");
}
}
}
//Add override lines to main stock view
Param = Request.QueryString["OVER"];
if (Param != null && Param != "")
{
if (Over != "")
{
Param = Param + ";" + Over;
}
}
else
{
Param = Over;
}
if (dmb is IntraDataManagerBase)
{
string s = DataProvider.GetStringData("LastPrice");
if (s != null && s != "")
{
double d = double.Parse(s);
s = "DotLine(" + d.ToString("f2") + ")";
if (Param != null && Param != "")
{
Param += ";" + s;
}
else
{
Param = s;
}
}
}
if (Param != null && Param != "")
{
//foreach(string s in Param.Split(';'))
string[] ss = Param.Split(';');
for (int i = 0; i < ss.Length; i++)
{
string s = ss[i].ToUpper();
if (s != "")
{
if (s == "AreaBB")
{
fc[MainIndex].InsertFormula(0, "FML." + s);
}
else
{
fc[MainIndex].AddFormula("FML." + s);
}
}
}
}
//Add indicators to stock chart
if (Inds != null)
{
foreach (string s in Inds)
{
if (s != "")
{
int k = s.IndexOf("{U}");
if (k > 0)
{
fc.InsertArea(MainIndex, "FML." + s.Substring(0, k));
MainIndex++;
}
else
{
fc.AddArea("FML." + s);
}
}
}
}
//Apply build-in stock chart skin
Param = Request.QueryString["Skin"];
if (Param == null || Param == "")
{
Param = Config.DefaultSkin;
}
FormulaSkin fs = FormulaSkin.GetSkinByName(Param);
if (fs != null)
{
if (Config.YAxisFormat != "")
{
fs.AxisY.Format = Config.YAxisFormat;
}
if (Config.ShowXAxisInLastArea)
{
fs.ShowXAxisInLastArea = true;
}
fc.SetSkin(fs);
}
try
{
fc.LatestValueType = (LatestValueType)Enum.Parse(typeof(LatestValueType), Config.LatestValueType, true);
}
catch
{
}
//Add compare line to other stocks
Param = Request.QueryString["COMP"];
if (Param != null && Param != "")
{
foreach (string s in Param.Split(';', ','))
{
if (s != "")
{
fc[MainIndex].AddFormula("COMPARE(" + s + ")");
}
}
fc[MainIndex].AxisY.ShowAsPercent = true;
fc[MainIndex].AxisY.Format = "p1";
fc.LatestValueType = LatestValueType.None;
}
//Set stock chart time period
fc.EndTime = Utils.ToDateDef(Request.QueryString["End"], EndTime);
fc.StartTime = Utils.ToDateDef(Request.QueryString["Start"], StartTime);
DataProvider.DataCycle = DataCycle.Parse(Request.QueryString["Cycle"]);
//Set X-Axis format
string XFormat = Request.QueryString["XFormat"];
if (XFormat != null && XFormat != "")
{
fc.AxisXFormat = XFormat;
fc.AllXFormats = null;
}
//Set Y-Axis format
string YFormat = Request.QueryString["YFormat"];
if (YFormat != null && YFormat != "")
{
fc.AxisYFormat = YFormat;
}
//Set X-Axis cycle
string XCycle = Request.QueryString["XCycle"];
if (XCycle != null && XCycle != "")
{
fc.DataCycle = DataCycle.Parse(XCycle);
}
//Set render type : Bar , Candle or Line
Param = Request.QueryString["Type"];
if (Param != null && Param != "")
{
StockRenderType srt;
if (Param.Length == 1)
{
srt = (StockRenderType)int.Parse(Param);
}
else
{
srt = (StockRenderType)Enum.Parse(typeof(StockRenderType), Param, true);
}
fc[MainIndex].StockRenderType = srt;
}
//Set Scale type : Normal or Log
Param = Request.QueryString["Scale"];
if (Param != null && Param != "")
{
ScaleType st;
if (Param.Length == 1)
{
st = (ScaleType)int.Parse(Param);
}
else
{
st = (ScaleType)Enum.Parse(typeof(ScaleType), Param, true);
}
fc[MainIndex].AxisY.Scale = st;
}
//Bottom margin
Param = Request.QueryString["BMargin"];
if (Param != null && Param != "")
{
fc[MainIndex].BottomMargin = Tools.ToDoubleDef(Param, 0);
}
//Bind stock data
fc.DataProvider = DataProvider;
for (int i = 1; i < fc[MainIndex].FormulaDataArray.Count; i++)
{
if (fc[MainIndex][i].ParentFormula.FormulaName.StartsWith("COMPARE"))
{
FormulaAxisY fay = fc[MainIndex].AddNewAxisY(AxisPos.Left);
FormulaData fd = fc[MainIndex][i];
fd.Transform = Transform.Normal;
fd.AxisYIndex = 1;
break;
}
}
fc[MainIndex].AxisY.MajorTick.ShowLine = Config.ShowMainAreaLineY;
fc[MainIndex].AxisX.MajorTick.ShowLine = Config.ShowMainAreaLineX;
//Set indicator line width
Param = Request.QueryString["Width"];
if (Param != null && Param != "")
{
float LineWidth = float.Parse(Param);
for (int i = 0; i < fc.Areas.Count; i++)
{
fc[i].LinePen.Width = LineWidth;
}
}
fc[MainIndex].AxisY.AutoMultiply = false;
if (Request.QueryString["SV"] == "0")
{
fc.ShowValueLabel = false;
}
fc.StickRenderType = Config.StickRenderType;
Rectangle Rect = new Rectangle(0, 0, Width, Height);
Param = Request.QueryString["Layout"];
if (Param == null || Param == "")
{
Param = "Default";
}
string[] Layouts = Param.Split(';', ',');
Layout L = Layout.ParseString(Config.Read(Layouts[0] + "Layout", "ChartRect=(0,0,0,0)"), Rect); //,DataProvider);
for (int j = 1; j < Layouts.Length; j++)
{
L.Merge(Layout.ParseString(Config.Read(Layouts[j] + "Layout", "ChartRect=(0,0,0,0)"), Rect)); //,DataProvider));
}
L.CompanyName = Config.CompanyName;
L.URL = Config.URL;
L.StartTick = Start;
fc.Rect = L.ChartRect;
B = fc.GetBitmap(Width, Height, fc.Rect);
Graphics g = Graphics.FromImage(B);
L.Render(g, Rect, fc);
int X = Tools.ToIntDef(Request.QueryString["X"], 0);
int Y = Tools.ToIntDef(Request.QueryString["Y"], 0);
if (X > 0 && Y > 0)
{
fc.Rect = new Rectangle(0, 0, Width, Height);
fc.ShowCursorLabel = true;
fc.DrawCursor(g, X, Y);
}
}
catch (Exception ex)
{
B = new Bitmap(Width, Height);
Graphics g = Graphics.FromImage(B);
g.Clear(Color.White);
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
g.DrawString(ex.Message, new Font("Verdana", 12),
new SolidBrush(Color.FromArgb(196, Color.Black)), new Rectangle(0, 0, Width, Height), sf);
}
//Create stock image to Bitmap
Response.ContentType = "Image/" + Config.ImageFormat;
//Create chart stream
MemoryStream ms = new MemoryStream();
if (Config.ImageFormat == "Gif")
{
Type tQuantization = (Type)Application["Quantization"];
if (tQuantization == null)
{
Assembly[] ass = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly a in ass)
{
if (a.FullName.StartsWith("ImageQuantization"))
{
tQuantization = a.GetType("ImageQuantization.OctreeQuantizer");
}
}
Application["Quantization"] = tQuantization;
}
if (tQuantization != null)
{
object[] os;
if (Config.TransparentColor.IsEmpty)
{
os = new object[] { B, ms, Config.GifColors }
}
;
else
{
os = new object[] { B, ms, Config.GifColors, Config.TransparentColor }
};
tQuantization.InvokeMember("Save",
BindingFlags.Public | BindingFlags.Static | BindingFlags.InvokeMethod, null, null, os);
}
if (ms.Length == 0)
{
B.Save(ms, ImageFormat.Png);
}
}
else if (Config.ImageFormat == "Png")
{
B.Save(ms, ImageFormat.Png);
}
else if (Config.ImageFormat == "Jpeg")
{
B.Save(ms, ImageFormat.Jpeg);
}
//Output the chart stream to web browser
ms.WriteTo(Response.OutputStream);
}
