void IChartCustomDrawer.Draw(DrawContext context, EDrawPhases phase)
{
if (Layout != phase)
{
return;
}
DOMPrice[] asks;
DOMPrice[] bids;
lock (this){
asks = Asks;
bids = Bids;
}
if (null == asks || 0 == asks.Length)
{
return;
}
if (null == bids || 0 == bids.Length)
{
return;
}
if (context.FullRect == context.DrawRect)
{
draw_dom(asks, bids, context.graphics, new Point(50, 50));
}
}
void IChartCustomDrawer.Draw(DrawContext context, EDrawPhases phase)
{
if (phase != EDrawPhases.Final)
{
return;
}
DOMPrice[] asks, bids;
lock (this) {
asks = Asks;
bids = Bids;
}
//Output.WriteLine("asks len is {0}, bid len is {1}", asks.Length, bids.Length);
PointF pricePt = context.Environment.ChartPoint2Point(
new ChartPoint(Bars.Time[0], Bars.Close[0]));
PointF rightEdge = context.Environment.ChartPoint2Point(
new ChartPoint(Environment.RightScreenTime, Bars.Close[0]));
PointF bidPt = context.Environment.ChartPoint2Point(
new ChartPoint(Bars.LastBarTime, bids[0].Price));
PointF askPt = context.Environment.ChartPoint2Point(
new ChartPoint(Bars.LastBarTime, asks[0].Price));
int barWidth = (int)Environment.BarSpacing;
context.graphics.DrawLine(pricePen, pricePt, rightEdge);
context.graphics.DrawLine(bidPen, bidPt.X - barsBefore * barWidth, bidPt.Y,
bidPt.X + barsAfter * barWidth, bidPt.Y);
context.graphics.DrawLine(askPen, askPt.X - barsBefore * barWidth, askPt.Y,
askPt.X + barsAfter * barWidth, askPt.Y);
}
void IChartCustomDrawer.Draw(DrawContext context, EDrawPhases phase)
{
if (phase != EDrawPhases.Final)
{
return;
}
RectangleF _dr = context.FullRect;
ChartPoint DrPleft = context.Environment.Point2ChartPoint(new PointF {
X = _dr.X, Y = _dr.Y
});
ChartPoint DrPRight = context.Environment.Point2ChartPoint(new PointF {
X = _dr.Width, Y = _dr.Height
});
if (DrPleft.Time.Ticks > DrPRight.Time.Ticks)
{
return;
}
Bar[] BarsToRedraw = null;
context.Environment.Bars.Get(DrPleft.Time, DrPRight.Time, out BarsToRedraw);
if (!object.Equals(BarsToRedraw, null))
{
int countBars = BarsToRedraw.Length;
if (countBars > 0)
{
AreaPainter p = new AreaPainter(fillcolor, (byte)(255 - m_intensity));
PointF[] pf = new PointF[countBars * 2];
int full = countBars * 2 - 1;
for (int i = 0, idx = 0; i < countBars; i++)
{
double high0 = m_IndicatorArea.GetValue("UpperBand", BarsToRedraw[i].Time.ToBinary());
double low0 = m_IndicatorArea.GetValue("LowerBand", BarsToRedraw[i].Time.ToBinary());
if (high0 < 0 || low0 < 0)
{
idx = 0;
full -= 2;
pf = new PointF[full + 1];
continue;
}
Bar b = BarsToRedraw[i];
pf[idx] = context.Environment.ChartPoint2Point(new ChartPoint
{
Price = high0,
Time = b.Time
});
pf[full - idx] = context.Environment.ChartPoint2Point(new ChartPoint
{
Price = low0,
Time = b.Time
});
idx++;
}
p.PaintArea(context.graphics, pf);
}
}
context.DirtyRect = _dr;
}
