internal static GraphPart CreateAsks(double requiredVolume, Quotes quotes)
{
GraphPart result = new GraphPart(quotes);
List <Point2F> points = result.m_points;
long now = quotes.Time;
foreach (var element in quotes.Items)
{
Point2F point = new Point2F();
point.X = (element.Time - now) / 1000.0F;
point.Y = MathEx.CalculateWAVP(requiredVolume, element.Quote.Asks);
points.Add(point);
}
QuoteEx quote = quotes.Last;
if (null != quote.Quote)
{
Point2F point = new Point2F();
point.X = (quote.Time - now) / 1000.0F;
if (point.X < -quotes.Interval)
{
point.X = -(float)quotes.Interval;
}
point.Y = MathEx.CalculateWAVP(requiredVolume, quote.Quote.Asks);
points.Add(point);
}
return(result);
}
internal static GraphPart CreateBids(double requiredVolume, Quotes quotes)
{
GraphPart result = new GraphPart(quotes);
List<Point2F> points = result.m_points;
long now = quotes.Time;
foreach (var element in quotes.Items)
{
Point2F point = new Point2F();
point.X = (element.Time - now) / 1000.0F;
point.Y = MathEx.CalculateWAVP(requiredVolume, element.Quote.Bids);
points.Add(point);
}
if (0 == quotes.Items.Count)
{
quotes.Items.Clear();
}
QuoteEx quote = quotes.Last;
if (null != quote.Quote)
{
Point2F point = new Point2F();
point.X = (quote.Time - now) / 1000.0F;
if (point.X < - quotes.Interval)
{
point.X = -(float)quotes.Interval;
}
point.Y = MathEx.CalculateWAVP(requiredVolume, quote.Quote.Bids);
points.Add(point);
}
return result;
}
internal void DrawLineStraight(Pen pen, Point2F from, Point2F to)
{
if (from.Y.HasValue)
{
float xf = TransformX(from.X);
float yf = TransformY(from.Y.Value);
float xt = TransformX(to.X);
m_graphics.DrawLine(pen, xf, yf, xt, yf);
}
}
internal void DrawLineInterpolation(Pen pen, Point2F from, Point2F to)
{
if (from.Y.HasValue && to.Y.HasValue)
{
float xf = TransformX(from.X);
float yf = TransformY(from.Y.Value);
float xt = TransformX(to.X);
float yt = TransformY(to.Y.Value);
m_graphics.DrawLine(pen, xf, yf, xt, yt);
}
}
internal void DrawLineInterpolation(Pen pen, Point2F from, Point2F to)
{
if (from.Y.HasValue && to.Y.HasValue)
{
float xf = TransformX(from.X);
float yf = TransformY(from.Y.Value);
float xt = TransformX(to.X);
float yt = TransformY(to.Y.Value);
m_graphics.DrawLine(pen, xf, yf, xt, yt);
}
}
internal void DrawInterpolation(GraphicsEx g, Pen pen)
{
var it = m_points.GetEnumerator();
it.MoveNext();
Point2F previous = it.Current;
for (; it.MoveNext();)
{
Point2F next = it.Current;
g.DrawLineInterpolation(pen, previous, next);
previous = next;
}
}
internal void DrawStepped(GraphicsEx g, Pen pen)
{
var it = m_points.GetEnumerator();
it.MoveNext();
Point2F previous = it.Current;
for (; it.MoveNext();)
{
Point2F next = it.Current;
g.DrawLineStepped(pen, previous, next);
previous = next;
}
if (m_points.Count > 0)
{
Point2F from = m_points.Last();
Point2F to = new Point2F(0, from.Y);
g.DrawLineStepped(pen, from, to);
}
}
internal void DrawStraight(GraphicsEx g, Pen pen)
{
var it = m_points.GetEnumerator();
it.MoveNext();
Point2F previous = it.Current;
for (; it.MoveNext(); )
{
Point2F next = it.Current;
g.DrawLineStraight(pen, previous, next);
previous = next;
}
if (m_points.Count > 0)
{
Point2F from = m_points.Last();
Point2F to = new Point2F(0, from.Y);
g.DrawLineStraight(pen, from, to);
}
}
internal void DrawLineStraight(Pen pen, Point2F from, Point2F to)
{
if (from.Y.HasValue)
{
float xf = TransformX(from.X);
float yf = TransformY(from.Y.Value);
float xt = TransformX(to.X);
m_graphics.DrawLine(pen, xf, yf, xt, yf);
}
}
