private bool DrawOhlc(int offset, int top, AxisXUnit unit, Color eraseColor)
{
double[] dValues = null;
bool bCheck = CheckBarsValue(offset, out dValues);
if (bCheck)
{
int iOpen = top + this.AxisY.ConvertValueToHeight(dValues[0]);
int iHigh = top + this.AxisY.ConvertValueToHeight(dValues[1]);
int iLow = top + this.AxisY.ConvertValueToHeight(dValues[2]);
int iClose = top + this.AxisY.ConvertValueToHeight(dValues[3]);
if (eraseColor != Color.Empty)
{
__cGDI.FillRectangle(eraseColor, unit.LeftPoint + 1, iHigh, (unit.RightPoint - unit.LeftPoint) - 1, iLow - iHigh + 1);
}
bool bOpenH = iOpen < iClose;
IntPtr cOldPtr = __cGDI.SelectPen((bOpenH) ? this.ChartSetting.PenStyles[1] : this.ChartSetting.PenStyles[0]);
__cGDI.DrawLine(unit.CenterPoint, iHigh, unit.CenterPoint, iLow);
__cGDI.DrawLine(unit.LeftPoint + 1, iOpen, unit.CenterPoint, iOpen);
__cGDI.DrawLine(unit.CenterPoint, iClose, unit.RightPoint, iClose);
__cGDI.RemoveObject(__cGDI.SelectPen(cOldPtr));
}
return(bCheck);
}
public void DrawObject(Layer layer, DrawObject item)
{
Point[] cPoints = item.ConvertPoints(layer);
bool bDraw = Boundary.BoundFix(ref cPoints[0], ref cPoints[1], new Rectangle4(layer.LayerRectangleWithoutAxisY));
if (bDraw)
{
IntPtr cOldPen = __cGDI.SelectPen(item.Pens[0]);
__cGDI.DrawLine(cPoints[0].X, cPoints[0].Y, cPoints[1].X, cPoints[1].Y);
__cGDI.RemoveObject(__cGDI.SelectPen(cOldPen));
}
}
private bool DrawClosingLine(int offset, int top, int x, int prevX, PowerLanguage.PenStyle erasePen)
{
double dClose = 0;
bool bCheck = CheckBarsValue(offset, out dClose);
if (bCheck)
{
int iPrevClose = top + this.AxisY.ConvertValueToHeight(__dPrevClose);
int iCurrentClose = top + this.AxisY.ConvertValueToHeight(dClose);
if (erasePen != null)
{
int iLastClose = top + this.AxisY.ConvertValueToHeight(__dLastClose);
IntPtr cOldPen = __cGDI.SelectPen(erasePen);
__cGDI.DrawLine(prevX, iPrevClose, x, iLastClose);
__cGDI.SelectPen(cOldPen);
}
__dLastClose = dClose;
__cGDI.DrawLine(prevX, iPrevClose, x, iCurrentClose);
}
return(bCheck);
}
private void DrawTradeInfo(ITrade trade, AxisX axisX, ChartProperty property, IntPtr font, Rectangle4 layerRect, int top)
{
ITradeOrder cEntry = trade.EntryOrder;
Point cPoint1 = new Point(axisX.ConvertBarNumberToWidth(cEntry.BarNumber).CenterPoint, top + this.AxisY.ConvertValueToHeight(cEntry.Price));
__cGDI.DrawString("▸", property.TradeSymbolColor, cPoint1.X - 7, cPoint1.Y - 7);
DrawTradeName(cEntry.Name, font, property.ForeColor, cPoint1, true);
ITradeOrder cExit = trade.ExitOrder;
if (cExit != null)
{
Point cPoint2 = new Point(axisX.ConvertBarNumberToWidth(cExit.BarNumber).CenterPoint, top + this.AxisY.ConvertValueToHeight(cExit.Price));
__cGDI.DrawString("◂", property.TradeSymbolColor, cPoint2.X + 1, cPoint2.Y - 7);
DrawTradeName(cExit.Name, font, property.ForeColor, cPoint2, false);
if (Boundary.BoundFix(ref cPoint1, ref cPoint2, layerRect))
{
__cGDI.DrawLine(cPoint1.X, cPoint1.Y, cPoint2.X, cPoint2.Y);
}
}
}