private void CalculateAxisUnit()
{
double dValue = 0;
if (__cSetting.AxisScope == EAxisScope.PriceScaleScope)
{
double[] dScales = __cPriceScale.GetPriceScale(__dAxisMax);
dValue = dScales[0] * dScales[1];
}
else
{
EAxisScaleMode cScaleMode = __cSetting.ScaleMode;
switch (cScaleMode)
{
case EAxisScaleMode.ScaleGap:
dValue = __cSetting.ScaleValue;
break;
}
}
__dScaleUnit = (__dAxisMax - __dAxisMin) / __iScaleCount;
if (dValue > 0)
{
__dScaleUnit = Math.Ceiling(__dScaleUnit / dValue) * dValue;
}
}
internal _QuoteInfo(string exchangeName, string dataSource, string symbolId, string symbolName, double price)
{
this.SymbolId = symbolId;
this.SymbolName = symbolName;
this.DataSource = dataSource;
AbstractExchange cExchange = ProductManager.Manager.GetExchange(exchangeName);
AbstractProductProperty cProperty = cExchange.GetProperty(symbolId, dataSource);
IPriceScale cPriceScale = null;
if (cProperty != null)
{
cPriceScale = cProperty.PriceScaleRule as IPriceScale;
}
double[] dScales = new double[] { 1, 1 };
if (cPriceScale != null)
{
dScales = cPriceScale.GetPriceScale(price);
}
string sScale = dScales[0].ToString();
int iIndex = sScale.IndexOf('.');
if (iIndex > -1)
{
__iDecimals = sScale.Length - iIndex - 1;
}
}
/// <summary>
/// 從目標價格資訊設定價格座標
/// </summary>
/// <param name="price">目標價格</param>
public void SetPriceScaleFromClosePrice(double price) {
double[] dValues = new double[] { 1, 1 };
IPriceScale cPriceScale = __cProperty.PriceScaleRule as IPriceScale;
if (cPriceScale != null) {
dValues = cPriceScale.GetPriceScale(price);
}
__dPriceScale = dValues[0]; //價格座標
__dMinValue = dValues[1]; //最小跳動單位
}