internal void ShowSelection()
{
if (!_selectable)
{
return;
}
_selected = true;
double dx = 0;
DataEntryCollection data = _chartPanel._chartX._dataManager[_seriesIndex].Data;
_selectionDots.C = _chartPanel._rootCanvas;
_selectionDots.Start();
for (int i = _chartPanel._chartX._startIndex; i < _chartPanel._chartX._endIndex; i++)
{
if (!data[i].Value.HasValue)
{
continue;
}
double x = _chartPanel._chartX.GetXPixel(i - _chartPanel._chartX._startIndex);
if (x - dx <= 50)
{
continue;
}
dx = x;
SelectionDot dot = _selectionDots.GetPaintObject(Types.Corner.MoveAll);
dot.SetPos(new Point(dx, GetY(data[i].Value.Value)));
dot.Tag = this;
}
_selectionDots.Stop();
_selectionDots.Do(dot => dot.ZIndex = ZIndexConstants.SelectionPoint1);
}
internal override void DrawLineStudy(Types.RectEx rect, LineStatus lineStatus)
{
rect.Normalize();
_lines.C = C;
_lines.Start();
Utils.DrawLine(rect.Left, rect.Top, rect.Left, rect.Bottom, Stroke, StrokeType, StrokeThickness, _lines);
Utils.DrawLine(rect.Right, rect.Top, rect.Right, rect.Bottom, Stroke, StrokeType, StrokeThickness, _lines);
foreach (double d in _fib)
{
double x = rect.Left + rect.Width * d;
Utils.DrawLine(x, rect.Top, x, rect.Bottom, Stroke, StrokeType, StrokeThickness, _lines);
}
_lines.Stop();
_internalObjectCreated = true;
if (_firstPaint)
{
_firstPaint = false;
_lines.Do(l =>
{
l._line.Tag = this;
l.ZIndex = ZIndexConstants.LineStudies1;
});
_contextLine = new ContextLine(this);
_chartX.InvokeLineStudyCreated(new StockChartX.LineStudyCreatedEventArgs(this));
}
}
internal void UpdateFontInformation()
{
_labels.Do(label =>
{
label._textBlock.FontSize = _chartPanel._chartX.FontSize;
label._textBlock.Foreground = _chartPanel._chartX.FontForeground;
label._textBlock.FontFamily = new FontFamily(_chartPanel._chartX.FontFace);
});
}
internal override void DrawLineStudy(Types.RectEx rect, LineStatus lineStatus)
{
if (lineStatus == LineStatus.StartPaint)
{
for (int i = 0; i < _lines.Length; i++)
{
_lines[i] = new System.Windows.Shapes.Line {
Tag = this
};
Canvas.SetZIndex(_lines[i], ZIndexConstants.LineStudies1);
C.Children.Add(_lines[i]);
}
if (_contextLine == null)
{
_contextLine = new ContextLine(this);
_chartX.InvokeLineStudyCreated(new StockChartX.LineStudyCreatedEventArgs(this));
}
_internalObjectCreated = true;
return;
}
rect.Normalize();
if (rect.Width == 0)
{
return;
}
int revX1 = (int)(_chartX.GetReverseXInternal(rect.Left) + _chartX._startIndex);
int revX2 = (int)(_chartX.GetReverseXInternal(rect.Right) + _chartX._startIndex);
if (revX1 < 0)
{
revX1 = 0;
}
if (revX2 < 0)
{
revX2 = 0;
}
if (revX1 == revX2)
{
return;
}
// Get the highest high of the high series.
// Note: this code makes the vague assumption
// that only one symbol exists on this panel.
Series sHigh = GetSeriesOHLC(SeriesTypeOHLC.High);
if (sHigh == null)
{
return;
}
Series sLow = GetSeriesOHLC(SeriesTypeOHLC.Low);
if (sLow == null)
{
return;
}
Series sClose = GetSeriesOHLC(SeriesTypeOHLC.Close);
if (revX1 >= sHigh.RecordCount)
{
revX1 = sHigh.RecordCount;
}
if (revX2 >= sHigh.RecordCount)
{
revX2 = sHigh.RecordCount;
}
//**********
// Perform linear regression on the data
double xSum = 0, ySum = 0, xSquaredSum = 0, xYSum = 0;
int n, j;
if (revX1 > revX2)
{
revX2 = revX1;
}
int x = revX2 - revX1;
for (n = 1; n != x + 1; ++n)
{
j = revX1 + n - 1;
xSum += n;
ySum += sClose[j].Value.Value;
xSquaredSum += (n * n);
xYSum += (sClose[j].Value.Value * n);
}
n = x;
double q1 = n != 0 ? (xYSum - ((xSum * ySum) / n)) : 0;
double q2 = n != 0 ? (xSquaredSum - ((xSum * xSum) / n)) : 0;
double slope = q2 != 0 ? (q1 / q2) : 0;
double leftValue = slope != 0 ? (((1 / (double)n) * ySum) - (((int)((double)n / 2)) * slope)) : 0.0;
double rightValue = ((n * slope) + leftValue);
double right = (x - 1);
double inc = 0;
if (right != 0)
{
inc = (rightValue - leftValue) / right;
}
double prevVal = 0.0;
j = 0;
// Find max distance from linear regression line
double lowestLow = sHigh[0].Value.Value;
double highestHigh = 0;
for (n = revX1; n < revX2; ++n)
{
j++;
double val = leftValue + inc * (j - 1);
if (prevVal != 0)
{
if (sHigh[n].Value.Value - val > highestHigh)
{
highestHigh = sHigh[n].Value.Value - val;
}
if (val - sLow[n].Value.Value < lowestLow &&
val - sLow[n].Value.Value > 0)
{
lowestLow = val - sLow[n].Value.Value;
}
}
prevVal = val;
}
if (highestHigh > lowestLow)
{
lowestLow = highestHigh;
}
if (lowestLow > highestHigh)
{
highestHigh = lowestLow;
}
_linesSel.C = C;
double lX1 = _chartX.GetXPixel(revX1 - _chartX._startIndex);
double lX2 = _chartX.GetXPixel(revX2 - _chartX._startIndex + 1);
j = 0;
for (n = revX1; n < revX2; n++, j++)
{
double val = leftValue + inc * (j - 1);
double lY1 = _chartPanel.GetY(prevVal - lowestLow);
double lY2 = _chartPanel.GetY(val - lowestLow);
if (prevVal != 0)
{
Utils.DrawLine(lX1, lY1, lX2, lY2, Stroke, StrokeType, StrokeThickness, _lines[0]);
}
lY1 = _chartPanel.GetY(prevVal);
lY2 = _chartPanel.GetY(val);
if (prevVal != 0)
{
Utils.DrawLine(lX1, lY1, lX2, lY2, Stroke, StrokeType, StrokeThickness, _lines[1]);
}
lY1 = _chartPanel.GetY(prevVal + highestHigh);
lY2 = _chartPanel.GetY(val + highestHigh);
if (prevVal != 0)
{
Utils.DrawLine(lX1, lY1, lX2, lY2, Stroke, StrokeType, StrokeThickness, _lines[2]);
}
prevVal = val;
}
_linesSel.Start();
if (lineStatus == LineStatus.Moving || lineStatus == LineStatus.Painting)
{
Utils.DrawLine(lX1, 0, lX1, C.ActualHeight, Stroke, LinePattern.Dot, StrokeThickness, _linesSel);
Utils.DrawLine(lX2, 0, lX2, C.ActualHeight, Stroke, LinePattern.Dot, StrokeThickness, _linesSel);
}
_linesSel.Stop();
_linesSel.Do(l => l.ZIndex = ZIndexConstants.LineStudies1);
}
public override bool Paint()
{
/*
* highestVolume = highest volume up to current record (not after)
*
* x = volume / highestVolume
* if x = 0 then x = 1
*
* 1,0.25,0.5,0.75,0.25,0.5,1
* total=4.25
*
* /4.25 total
* 0.235,0.058,0.117,0.176,0.058,0.117,0.235=1
*
* 300* pixels
* 70.5,17.4,35.1,52.8,17.4,35.1,70.5=300
*
*/
if (_series.OHLCType == SeriesTypeOHLC.Volume)
{
return(false);
}
StockChartX chartX = _series._chartPanel._chartX;
Series open = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Open);
if (open == null || open.Painted || open.RecordCount == 0)
{
return(false);
}
Series high = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null || high.Painted || high.RecordCount == 0)
{
return(false);
}
Series low = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null || low.Painted || low.RecordCount == 0)
{
return(false);
}
Series close = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Close);
if (close == null || close.Painted || close.RecordCount == 0)
{
return(false);
}
Series volume = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Volume);
if (volume == null || volume.RecordCount == 0)
{
return(false);
}
open.Painted = high.Painted = low.Painted = close.Painted = true;
double width = chartX.PaintableWidth;
const int up = 1;
const int down = 2;
double highestVolume;
double x;
double equiVol;
double total = 0;
Types.RectEx box;
Brush customBrush = new SolidColorBrush(_series._strokeColor);
Brush upBrush = new SolidColorBrush(_series._upColor.HasValue ? _series._upColor.Value : chartX.UpColor);
Brush downBrush = new SolidColorBrush(_series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor);
Brush upGradBrush = Utils.CreateFadeVertBrush(_series._upColor.HasValue ? _series._upColor.Value : chartX.UpColor,
Colors.Black);
Brush downGradBrush = Utils.CreateFadeVertBrush(Colors.Black,
_series._downColor.HasValue
? _series._downColor.Value
: chartX.DownColor);
chartX._xMap = new double[chartX._endIndex - chartX._startIndex + 1];
int cnt = 0;
_lines.C = _rects.C = _rects3D.C = _series._chartPanel._rootCanvas;
_lines.Start();
_rects.Start();
_rects3D.Start();
// Count total Equi-Volume
int n;
for (n = chartX._startIndex; n < chartX._endIndex; n++)
{
if (!open[n].Value.HasValue || !high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue ||
!volume[n].Value.HasValue)
{
continue;
}
// Calculate Equi-Volume
highestVolume = HighestVolumeToRecord(n, volume);
x = highestVolume != 0.0 ? volume[n].Value.Value / highestVolume : 0;
total += x;
if (!chartX._darwasBoxes)
{
continue;
}
equiVol = volume[n].Value.Value / highestVolume;
equiVol = equiVol / total;
equiVol = width * equiVol;
x += equiVol;
// Record the x value
chartX._xMap[cnt] = x;
cnt++;
}
cnt = 0;
x = chartX.LeftChartSpace;
double px = x;
for (n = chartX._startIndex; n < chartX._endIndex; n++)
{
if (!open[n].Value.HasValue || !high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue ||
!volume[n].Value.HasValue)
{
continue;
}
// Calculate Equi-Volume
highestVolume = HighestVolumeToRecord(n, volume);
equiVol = highestVolume != 0 ? volume[n].Value.Value / highestVolume : 0.0;
equiVol = equiVol / total;
equiVol = width * equiVol;
x += equiVol;
// Record the x value
chartX._xMap[cnt] = x;
cnt++;
double x1 = px;
double x2 = x;
double y1 = _series._chartPanel.GetY(high[n].Value.Value);
double y2 = _series._chartPanel.GetY(low[n].Value.Value);
if (y2 == y1)
{
y1 = y2 - 2;
}
box = new Types.RectEx(x1, y1, x2, y2);
Types.RectEx frame = box;
if (chartX._priceStyle == PriceStyleEnum.psEquiVolumeShadow)
{
if (close[n].Value > open[n].Value)
{
box.Top = _series._chartPanel.GetY(close[n].Value.Value);
}
else
{
box.Bottom = _series._chartPanel.GetY(close[n].Value.Value);
}
}
double wx = x1 + (x2 - x1) / 2;
if (chartX._priceStyle == PriceStyleEnum.psCandleVolume)
{
if (close[n].Value > open[n].Value)
{
box.Top = _series._chartPanel.GetY(close[n].Value.Value);
box.Bottom = _series._chartPanel.GetY(open[n].Value.Value);
}
else
{
box.Top = _series._chartPanel.GetY(open[n].Value.Value);
box.Bottom = _series._chartPanel.GetY(close[n].Value.Value);
}
if (box.Bottom == box.Top)
{
box.Top = box.Bottom - 2;
}
Utils.DrawLine(wx, y1, wx, y2, customBrush, _series.StrokePattern, _series._strokeThickness, _lines);
frame = box;
}
// Is the bar up or down?
int direction;
if (n == 0)
{
direction = close[n].Value > open[n].Value ? up : down;
}
else
{
direction = close[n].Value > close[n - 1].Value ? up : down;
}
if (chartX.ThreeDStyle)
{
if (direction == up)
{
Utils.DrawRectangle(box, upGradBrush, _rects);
if (chartX._priceStyle == PriceStyleEnum.psEquiVolumeShadow)
{
Utils.Draw3DRectangle(frame, upBrush, downBrush, _rects3D);
}
}
else
{
Utils.DrawRectangle(box, downGradBrush, _rects);
if (chartX._priceStyle == PriceStyleEnum.psEquiVolumeShadow)
{
Utils.Draw3DRectangle(frame, upBrush, downBrush, _rects3D);
}
}
}
else
{
if (direction == up)
{
Utils.DrawRectangle(box, upBrush, _rects);
if (chartX._priceStyle == PriceStyleEnum.psEquiVolumeShadow)
{
Utils.Draw3DRectangle(frame, upBrush, upBrush, _rects3D);
}
}
else
{
Utils.DrawRectangle(box, downBrush, _rects);
if (chartX._priceStyle == PriceStyleEnum.psEquiVolumeShadow)
{
Utils.Draw3DRectangle(frame, downBrush, downBrush, _rects3D);
}
}
}
px = x;
}
_lines.Stop();
_rects.Stop();
_rects3D.Stop();
_lines.Do(l => l.ZIndex = ZIndexConstants.PriceStyles1);
_rects.Do(r => r.ZIndex = ZIndexConstants.PriceStyles2);
_rects3D.Do(r => r.ZIndex = ZIndexConstants.PriceStyles3);
return(true);
}
public override bool Paint()
{
if (_series.OHLCType != SeriesTypeOHLC.High && _series.OHLCType != SeriesTypeOHLC.Low)
{
return(false);
}
StockChartX chartX = _series._chartPanel._chartX;
Series high = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null || high.Painted || high.RecordCount == 0)
{
return(false);
}
Series low = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null || low.Painted || low.RecordCount == 0)
{
return(false);
}
high.Painted = low.Painted = true;
Brush upBrush = new SolidColorBrush(_series._upColor.HasValue ? _series.UpColor.Value : chartX.UpColor);
Brush downBrush = new SolidColorBrush(_series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor);
double width = chartX.PaintableWidth;
double max = chartX.GetMax(high, true);
double min = chartX.GetMin(low, true);
double boxSize = chartX._priceStyleParams[0];
if (boxSize > 50 || boxSize < 0.00000000000000000000001)
{
boxSize = (max - min) / 25;
}
double reversalSize = chartX._priceStyleParams[1];
if (reversalSize > 50 || reversalSize < 1)
{
reversalSize = 3;
}
chartX._priceStyleParams[0] = boxSize;
chartX._priceStyleParams[1] = reversalSize;
double nHigh, nLow, nLastHigh = 0, nLastLow = 0;
int column = 0; // X=1 O=2
int columnHeight = 0;
int totalColumns = 0;
int boxes;
const int Xs = 1;
const int Os = 2;
chartX._psValues1.Clear();
chartX._psValues2.Clear();
chartX._psValues3.Clear();
chartX._xMap = new double[chartX._endIndex - chartX._startIndex + 1];
int cnt = 0;
// Count columns
int n;
for (n = chartX._startIndex; n < chartX._endIndex; n++)
{
if (!high[n].Value.HasValue || !low[n].Value.HasValue)
{
continue;
}
// Calculate Point and Figure
nHigh = high[n].Value.Value;
nLow = low[n].Value.Value;
switch (column)
{
case Xs:
boxes = (int)((nHigh - nLastHigh) / boxSize);
if (boxes >= boxSize)
{
// Add one X box
columnHeight += 1;
nLastHigh += boxSize;
if (nLastHigh > max)
{
max = nLastHigh;
}
}
else
{
// Check for O's reversal
boxes = (int)((nLastHigh - nLow) / boxSize);
if (boxes >= reversalSize)
{
column = Os;
columnHeight = boxes;
totalColumns++;
nLastLow = nLastHigh - (boxes * boxSize);
if (nLastLow < min && min != 0)
{
min = nLastLow;
}
}
}
break;
case Os:
boxes = (int)((nLastLow - nLow) / boxSize);
if (boxes >= boxSize)
{
// Add one O box
columnHeight += 1;
nLastLow -= boxSize;
if (nLastLow < min && min != 0)
{
min = nLastLow;
}
}
else
{
// Check for X's reversal
boxes = (int)((nHigh - nLastLow) / boxSize);
if (boxes >= reversalSize)
{
column = Xs;
columnHeight = boxes;
totalColumns++;
nLastHigh = nLastLow + (boxes * boxSize);
if (nLastHigh > max)
{
max = nLastHigh;
}
}
}
break;
}
if (column != 0)
{
continue; // Prime first column
}
column = Xs;
boxes = (int)Math.Floor(((nHigh - (nLow + (boxSize * reversalSize))) / boxSize) + 0.5);
columnHeight = boxes;
nLastHigh = nHigh;
nLastLow = nHigh - (boxes * boxSize);
totalColumns = 1;
}
chartX._xCount = totalColumns;
column = 0;
double x = chartX.LeftChartSpace;
if (totalColumns == 0)
{
return(false);
}
double space = width / totalColumns;
totalColumns = 0;
_lines.C = _ellipses.C = _series._chartPanel._rootCanvas;
_lines.Start();
_ellipses.Start();
// Calculate from beginning, but only show between startIndex and endIndex
for (n = 0; n < chartX._endIndex; n++)
{
if (high[n].Value.HasValue && low[n].Value.HasValue)
{
// Calculate Point and Figure
nHigh = high[n].Value.Value;
nLow = low[n].Value.Value;
double y1;
double y2;
switch (column)
{
case Xs:
boxes = (int)((nHigh - nLastHigh) / boxSize);
if (boxes >= boxSize)
{
// Add one X box
columnHeight += 1;
nLastHigh += boxSize;
}
else
{
// Check for O's reversal
boxes = (int)((nLastHigh - nLow) / boxSize);
if (boxes >= reversalSize)
{
// Paint the previous X column
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
double y = nLastHigh;
if (columnHeight > 0)
{
for (int col = 0; col < columnHeight; ++col)
{
y1 = _series._chartPanel.GetY(y);
y -= boxSize;
y2 = _series._chartPanel.GetY(y);
double x1 = x;
double x2 = x + space;
Utils.DrawLine(x1, y1, x2, y2, upBrush, _series._strokePattern, _series._strokeThickness, _series._opacity, _lines);
Utils.DrawLine(x2, y1, x1, y2, upBrush, _series._strokePattern, _series._strokeThickness, _series._opacity, _lines);
}
}
}
// Create new O column
column = Os;
columnHeight = boxes;
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalColumns++;
x += space;
}
nLastLow = nLastHigh - (boxes * boxSize);
}
}
break;
case Os:
boxes = (int)((nLastLow - nLow) / boxSize);
if (boxes >= boxSize)
{
// Add one O box
columnHeight += 1;
nLastLow -= boxSize;
}
else
{
// Check for X's reversal
boxes = (int)((nHigh - nLastLow) / boxSize);
if (boxes >= reversalSize)
{
// Paint the previous O's column
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
double y = nLastLow - boxSize;
if (columnHeight > 0)
{
for (int col = 0; col < columnHeight; ++col)
{
y2 = _series._chartPanel.GetY(y);
y += boxSize;
y1 = _series._chartPanel.GetY(y);
System.Windows.Shapes.Ellipse ellipse = _ellipses.GetPaintObject()._ellipse;
Types.RectEx bounds = new Types.RectEx(x, y1, x + space, y2);
Canvas.SetLeft(ellipse, bounds.Left);
Canvas.SetTop(ellipse, bounds.Top);
ellipse.Width = bounds.Width;
ellipse.Height = bounds.Height;
ellipse.Stroke = downBrush;
ellipse.StrokeThickness = _series._strokeThickness;
ellipse.Fill = _series._chartPanel.Background;
}
}
}
// Create new X column
column = Xs;
columnHeight = boxes;
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalColumns++;
x += space;
}
nLastHigh = nLastLow + (boxes * boxSize);
}
}
break;
}
if (column == 0)
{ // Prime first column
column = Xs;
boxes = (int)Math.Floor(((nHigh - (nLow + (boxSize * reversalSize))) / boxSize) + 0.5);
columnHeight = boxes;
nLastHigh = nHigh;
nLastLow = nHigh - (boxes * boxSize);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalColumns = 1;
}
x = chartX.LeftChartSpace;
}
// Record the x value
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
chartX._xMap[cnt] = x + (space / 2);
cnt++;
}
}
chartX._psValues3.Add(new PriceStyleValue(high[n].TimeStamp, column == 1 ? 1 : -1));
chartX._psValues1.Add(new PriceStyleValue(high[n].TimeStamp, columnHeight));
// Once the direction changes, we need to
// go backwards until the previous change
// and fill in the values.
if (chartX._psValues3.Count <= 1)
{
continue;
}
for (int prev = chartX._psValues3.Count - 1; prev >= 0; --prev)
{
if (chartX._psValues3[prev].Value != column)
{
break;
}
chartX._psValues1[prev].Value = columnHeight;
}
}
_lines.Stop();
_ellipses.Stop();
_lines.Do(l => l.ZIndex = ZIndexConstants.PriceStyles1);
_ellipses.Do(e => e.ZIndex = ZIndexConstants.PriceStyles1);
return(true);
}
private void PaintSideVolumeDepthBars()
{
if (_sideVolumeDepthBars == 0) //remove
{
_rectsSideVolumeDepth.RemoveAll();
return;
}
if (_chartX._endIndex == 0)
{
return;
}
if (_series.Count < 3)
{
return;
}
Series open = null;
foreach (Series series in _series)
{
if (series.OHLCType != SeriesTypeOHLC.Open)
{
continue;
}
open = series;
break;
}
if (open == null)
{
return;
}
Series close = GetSeriesOHLCV(open, SeriesTypeOHLC.Close);
if (close == null)
{
return;
}
Series volume = _chartX.GetSeriesOHLCV(open, SeriesTypeOHLC.Volume);
if (volume == null)
{
return;
}
double maxVolume = double.MinValue, minVolume = double.MaxValue;
int i;
for (i = _chartX._startIndex; i < _chartX._endIndex; i++)
{
if (!volume[i].Value.HasValue)
{
continue;
}
if (volume[i].Value.Value > maxVolume)
{
maxVolume = volume[i].Value.Value;
}
else if (volume[i].Value.Value < minVolume)
{
minVolume = volume[i].Value.Value;
}
}
double range = maxVolume - minVolume;
double barVolumeIncrement = range / _sideVolumeDepthBars;
double barHeight = _rootCanvas.ActualHeight / _sideVolumeDepthBars;
double volBar = minVolume;
int[] volBarsPos = new int[_sideVolumeDepthBars];
int[] volBarsNeg = new int[_sideVolumeDepthBars];
for (int n = 0; n < _sideVolumeDepthBars; n++)
{
for (int j = _chartX._startIndex; j < _chartX._endIndex; j++)
{
if (!volume[j].Value.HasValue)
{
continue;
}
double v = volume[j].Value.Value;
if (v < volBar || v > volBar + barVolumeIncrement)
{
continue;
}
if (close[j].Value > open[j].Value)
{
volBarsPos[n]++;
}
else if (close[j].Value < open[j].Value)
{
volBarsNeg[n]++;
}
}
volBar += barVolumeIncrement;
}
double[] volBarsWidthPos = new double[_sideVolumeDepthBars];
double[] volBarsWidthNeg = new double[_sideVolumeDepthBars];
double maxVolBars = Math.Max(Algorithms.Maximum(volBarsPos), Algorithms.Maximum(volBarsNeg));
double minVolBars = Math.Min(Algorithms.Minimum(volBarsPos), Algorithms.Minimum(volBarsNeg));
double volumeBarScaleWidth = _rootCanvas.ActualWidth * 0.15; //15% for positive values and 15% for negative values
_rectsSideVolumeDepth.C = _rootCanvas;
_rectsSideVolumeDepth.Start();
for (int n = 0; n < _sideVolumeDepthBars; n++)
{
volBarsWidthPos[n] = (volBarsPos[n] - minVolBars) / (maxVolBars - minVolBars);
volBarsWidthNeg[n] = (volBarsNeg[n] - minVolBars) / (maxVolBars - minVolBars);
volBarsWidthPos[n] *= volumeBarScaleWidth;
volBarsWidthNeg[n] *= volumeBarScaleWidth;
double x1 = _chartX.LeftChartSpace;
double y1 = n * barHeight;
double x2 = _chartX.LeftChartSpace + volBarsWidthPos[n];
double y2 = (n + 1) * barHeight;
Utils.DrawRectangle(x1, y1, x2, y2, Brushes.Blue, _rectsSideVolumeDepth);
x1 = x2;
x2 = x1 + volBarsWidthNeg[n];
Utils.DrawRectangle(x1, y1, x2, y2, Brushes.Red, _rectsSideVolumeDepth);
}
_rectsSideVolumeDepth.Stop();
_rectsSideVolumeDepth.Do(r =>
{
r.ZIndex = ZIndexConstants.VolumeDepthBars;
r._rectangle.Opacity = 0.5;
r._rectangle.IsHitTestVisible = false;
});
}
internal override void Paint()
{
if (Painted || !_visible || RecordCount < 0 || RecordCount < _chartPanel._chartX._startIndex)
{
return;
}
Painted = true;
InitPainting();
if (_chartPanel._chartX.OptimizePainting)
{
PaintOptimized();
return;
}
Brush strokeUpBrush = new SolidColorBrush(UpColor == null ? _chartPanel._chartX.UpColor : UpColor.Value);
strokeUpBrush.Freeze();
Brush strokeDownBrush = new SolidColorBrush(DownColor == null ? _chartPanel._chartX.DownColor : DownColor.Value);
strokeDownBrush.Freeze();
Brush strokeNormalBrush = new SolidColorBrush(_strokeColor);
strokeNormalBrush.Freeze();
Brush currentBrush = strokeNormalBrush;
_lines.C = _chartPanel._rootCanvas;
_lines.Start();
double x2 = _chartPanel._chartX.GetXPixel(0);
double?y1;
double?y2 = null;
int cnt = 0;
for (int i = _chartPanel._chartX._startIndex; i < _chartPanel._chartX._endIndex; i++, cnt++)
{
//cnt++;
double x1 = _chartPanel._chartX.GetXPixel(cnt);
y1 = this[i].Value;
if (!y1.HasValue)
{
continue;
}
y1 = GetY(y1.Value);
if (i == _chartPanel._chartX._startIndex)
{
y2 = y1.Value;
}
if (_volumeUpDown)
{
if (i > 0)
{
if (_seriesClose[i].Value > _seriesClose[i - 1].Value)
{
currentBrush = _seriesTypeOHLC == SeriesTypeOHLC.Volume ? strokeUpBrush : strokeDownBrush; //up
}
else if (_seriesClose[i].Value < _seriesClose[i - 1].Value)
{
currentBrush = _seriesTypeOHLC == SeriesTypeOHLC.Volume ? strokeDownBrush : strokeUpBrush; //down
}
else
{
currentBrush = strokeNormalBrush;
}
}
else
{
currentBrush = strokeNormalBrush;
}
}
else if ((_chartPanel._chartX._useLineSeriesColors || _upColor.HasValue)) // +/- change colors
{
if (!_isOscillator)
{
if (i > 0)
{
if (this[i].Value > this[i - 1].Value)
{
currentBrush = strokeUpBrush;
}
else
{
currentBrush = this[i].Value < this[i - 1].Value ? strokeDownBrush : strokeNormalBrush;
}
}
else
{
currentBrush = strokeNormalBrush;
}
}
else
{
if (this[i].Value > 0)
{
currentBrush = strokeUpBrush;
}
else
{
currentBrush = this[i].Value < 0 ? strokeDownBrush : strokeNormalBrush;
}
}
}
if (_seriesType == SeriesTypeEnum.stVolumeChart || ForceOscilatorPaint)
{
if (this[i].Value.HasValue && y2.HasValue)
{
// Make sure at least 2 or 3 pixels show
// if the value is the same as the min Y.
double minY = GetY(SeriesEntry._min);
double nY1 = y1.Value;
if (minY - 3 < nY1)
{
nY1 -= 3;
}
DrawLine(x1, nY1, x1, _isOscillator ? GetY(0) : minY, _chartPanel._chartX.GetBarBrush(FullName, i, currentBrush));
}
}
else if ((_seriesType == SeriesTypeEnum.stLineChart || _seriesType == SeriesTypeEnum.stIndicator) &&
i > _chartPanel._chartX._startIndex)
{
if (this[i].Value.HasValue && y2.HasValue)
{
DrawLine(x1, y1.Value, x2, y2.Value, currentBrush);
}
}
y2 = y1;
x2 = x1;
}
_lines.Stop();
_lines.Do(l =>
{
l.ZIndex = ZIndexConstants.PriceStyles1;
if (l._line.Tag == null)
{
l._line.Tag = this;
}
});
if (Selected)
{
ShowSelection();
}
}
public override bool Paint()
{
/*
* pCtrl->priceStyleParams[0] = lines
* 7 columns
* width = 300
* 300 / 7 = 42.85 pixels per column
*/
if (_series.OHLCType != SeriesTypeOHLC.Close)
{
return(false);
}
Series close = _series;
StockChartX chartX = _series._chartPanel._chartX;
double width = chartX.PaintableWidth;
double boxSize = chartX._priceStyleParams[0];
if (boxSize > 50 || boxSize < 0.0001)
{
boxSize = 1;
}
chartX._priceStyleParams[0] = boxSize;
double nClose, nHH = 0, nLL = 0;
const int white = 1;
const int black = 2;
int brick = 0; // black or white
int totalBricks = 0;
chartX._xMap = new double[chartX._endIndex - chartX._startIndex + 1];
int cnt = 0;
chartX._psValues1.Clear();
chartX._psValues2.Clear();
chartX._psValues3.Clear();
int n;
// Calculate from beginning, but only show between startIndex and endIndex
for (n = 0; n < chartX._endIndex; n++)
{
if (!close[n].Value.HasValue)
{
continue;
}
nClose = close[n].Value.Value;
if (brick == 0)
{ // Prime first brick
double nClose2 = close[n + 1].Value.Value;
if (nClose2 > nClose)
{
brick = white; nHH = nClose + boxSize; nLL = nClose;
}
else
{
brick = black; nHH = nClose2; nLL = nClose2 - boxSize;
}
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBricks = 1;
}
}
if (nClose < nLL - boxSize)
{
brick = black;
nHH = nLL;
nLL = nHH - boxSize;
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBricks++;
}
}
else if (nClose > nHH + boxSize)
{
brick = white;
nLL = nHH;
nHH = nLL + boxSize;
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBricks++;
}
}
}
chartX._xCount = totalBricks;
// Paint columns
brick = 0;
double x = chartX.LeftChartSpace;
if (totalBricks == 0)
{
return(false);
}
double space = width / totalBricks;
Color upColor = _series._upColor.HasValue ? _series._upColor.Value : chartX.UpColor;
Color downColor = _series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor;
Brush upBrush = new SolidColorBrush(upColor);
Brush downBrush = new SolidColorBrush(downColor);
Brush upGradBrush = Utils.CreateFadeVertBrush(upColor, Colors.Black);
Brush downGradBrush = Utils.CreateFadeVertBrush(downColor, Colors.Black);
_rects.C = _series._chartPanel._rootCanvas;
_rects.Start();
totalBricks = 0;
for (n = 0; n < chartX._endIndex; n++)
{
if (close[n].Value.HasValue)
{
// Calculate Renko
nClose = (double)close[n].Value;
if (brick == 0)
{ // Prime first brick
double nClose2 = (double)close[n + 1].Value;
if (nClose2 > nClose)
{
brick = white; nHH = nClose + boxSize; nLL = nClose;
}
else
{
brick = black; nHH = nClose2; nLL = nClose2 - boxSize;
}
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBricks = 1;
}
x = chartX.LeftChartSpace;
}
if (nClose < nLL - boxSize)
{
// Paint last white brick
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, brick);
totalBricks++;
x += space;
}
brick = black;
nHH = nLL;
nLL = nHH - boxSize;
}
else if (nClose > nHH + boxSize)
{
// Paint last black brick
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, brick);
totalBricks++;
x += space;
}
brick = white;
nLL = nHH;
nHH = nLL + boxSize;
}
// Record the x value
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
chartX._xMap[cnt] = x + (space / 2);
cnt++;
}
}
chartX._psValues1.Add(new PriceStyleValue(close[n].TimeStamp, nHH));
chartX._psValues2.Add(new PriceStyleValue(close[n].TimeStamp, nLL));
chartX._psValues3.Add(new PriceStyleValue(close[n].TimeStamp, brick == white ? 1 : -1));
}
_rects.Stop();
_rects.Do(r => r.ZIndex = r.ZIndex = ZIndexConstants.PriceStyles1);
return(true);
}
public override bool Paint()
{
/*
* pCtrl->priceStyleParams[0] = lines
* 7 columns
* width = 300
* 300 / 7 = 42.85 pixels per column
*/
if (_series.OHLCType == SeriesTypeOHLC.Open)
{
return(false);
}
StockChartX chartX = _series._chartPanel._chartX;
Series high = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null || high.Painted || high.RecordCount == 0)
{
return(false);
}
Series low = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null || low.Painted || low.RecordCount == 0)
{
return(false);
}
Series close = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Close);
if (close == null || close.Painted || close.RecordCount == 0)
{
return(false);
}
high.Painted = low.Painted = close.Painted = true;
double width = chartX.PaintableWidth;
double lines = chartX._priceStyleParams[0];
if (lines > 50 || lines < 1)
{
lines = 3;
chartX._priceStyleParams[0] = lines;
}
_highs = new double[(int)lines];
_lows = new double[(int)lines];
double nClose, nHH = 0, nLL = 0;
const int white = 1;
const int black = 2;
double nStart = 0;
int block = 0; // black or white
int totalBlocks = 0;
chartX._xMap = new double[chartX._endIndex - chartX._startIndex + 1];
int cnt = 0;
chartX._psValues1.Clear();
chartX._psValues2.Clear();
chartX._psValues3.Clear();
// Count columns that will fit on screen
int n;
for (n = 0; n < chartX._endIndex; n++)
{
if (!high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue)
{
continue;
}
// Calculate N Line Break
nClose = (double)close[n].Value;
switch (block)
{
case white:
if (IsNewBlock(-1, nClose))
{
nHH = nStart; // New black block
nLL = nClose;
nStart = nClose;
block = black;
AddBlock(nHH, nLL);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBlocks++;
}
}
if (IsNewBlock(1, nClose))
{
nHH = nClose; // New white block
nLL = nStart;
nStart = nClose;
block = white;
AddBlock(nHH, nLL);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBlocks++;
}
}
break;
case black:
if (IsNewBlock(1, nClose))
{
nHH = nClose; // New white block
nLL = nStart;
nStart = nClose;
block = white;
AddBlock(nHH, nLL);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBlocks++;
}
}
if (IsNewBlock(-1, nClose))
{
nHH = nStart; // New black block
nLL = nClose;
nStart = nClose;
block = black;
AddBlock(nHH, nLL);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBlocks++;
}
}
break;
}
if (block != 0)
{
continue; // Prime first block
}
double nClose2 = (double)close[n + 1].Value;
if (nClose2 > nClose)
{
block = white; nHH = nClose2; nLL = nClose; nStart = nClose;
}
else
{
block = black; nHH = nClose; nLL = nClose2; nStart = nClose2;
}
AddBlock(nHH, nLL);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBlocks++;
}
}
chartX._xCount = totalBlocks;
_highs = new double[(int)lines];
_lows = new double[(int)lines];
Color upColor = _series._upColor.HasValue ? _series._upColor.Value : chartX.UpColor;
Color downColor = _series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor;
Brush upBrush = new SolidColorBrush(upColor);
Brush downBrush = new SolidColorBrush(downColor);
Brush upGradBrush = Utils.CreateFadeVertBrush(upColor, Colors.Black);
Brush downGradBrush = Utils.CreateFadeVertBrush(downColor, Colors.Black);
_rects.C = _series._chartPanel._rootCanvas;
_rects.Start();
// Paint columns
block = 0;
double x = chartX.LeftChartSpace;
if (totalBlocks == 0)
{
return(false);
}
double space = width / totalBlocks;
totalBlocks = 0;
// Calculate from beginning, but only show between startIndex and endIndex
for (n = 0; n < chartX._endIndex; n++)
{
if (!high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue)
{
continue;
}
// Calculate N Line Break
nClose = (double)close[n].Value;
switch (block)
{
case white:
if (IsNewBlock(-1, nClose))
{
// Paint last white block
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, 1, n, close);
x += space;
}
nHH = nStart; // New black block
nLL = nClose;
nStart = nClose;
block = black;
AddBlock(nHH, nLL);
totalBlocks++;
}
if (IsNewBlock(1, nClose))
{
// Paint last black block
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, 1, n, close);
x += space;
}
nHH = nClose; // New white block
nLL = nStart;
nStart = nClose;
block = white;
AddBlock(nHH, nLL);
totalBlocks++;
}
break;
case black:
if (IsNewBlock(1, nClose))
{
// Paint last white block
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, -1, n, close);
x += space;
}
nHH = nClose; // New white block
nLL = nStart;
nStart = nClose;
block = white;
AddBlock(nHH, nLL);
totalBlocks++;
}
if (IsNewBlock(-1, nClose))
{
// Paint last black block
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, -1, n, close);
x += space;
}
nHH = nStart; // New black block
nLL = nClose;
nStart = nClose;
block = black;
AddBlock(nHH, nLL);
totalBlocks++;
}
break;
}
if (block == 0)
{ // Prime first block
double nClose2 = (double)close[n + 1].Value;
if (nClose2 > nClose)
{
block = white; nHH = nClose2; nLL = nClose; nStart = nClose;
}
else
{
block = black; nHH = nClose; nLL = nClose2; nStart = nClose2;
}
AddBlock(nHH, nLL);
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBlocks = 1;
}
x = chartX.LeftChartSpace;
}
// Record the x value
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
chartX._xMap[cnt] = x + (space / 2);
cnt++;
}
}
// Finish last block
if (block == black)
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, -1, n, close);
}
else
{
PaintBox(upBrush, downBrush, upGradBrush, downGradBrush, x, space, nHH, nLL, 1, n, close);
}
_rects.Stop();
_rects.Do(r => r.ZIndex = ZIndexConstants.PriceStyles1);
return(true);
}
public override bool Paint()
{
if (_series.OHLCType == SeriesTypeOHLC.Volume)
{
return(false);
}
//Find Series
Series open = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Open);
if (open == null || open.RecordCount == 0 || open.Painted)
{
return(false);
}
Series high = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null || high.RecordCount == 0 || high.Painted)
{
return(false);
}
Series low = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null || low.RecordCount == 0 || low.Painted)
{
return(false);
}
Series close = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Close);
if (close == null || close.RecordCount == 0 || close.Painted)
{
return(false);
}
_series = close;
open.Painted = high.Painted = low.Painted = close.Painted = true;
CalculateCandleSpacing();
if (ChartX._barSpacing < 0)
{
return(false);
}
_upColor = _series._upColor.HasValue ? _series._upColor.Value : ChartX.UpColor;
_downColor = _series._downColor.HasValue ? _series._downColor.Value : ChartX.DownColor;
if (_oldOptimizePainting.HasValue && _oldOptimizePainting.Value != ChartX.OptimizePainting)
{
if (!ChartX.OptimizePainting)
{
Canvas c = _series._chartPanel._rootCanvas;
c.Children.Remove(_pathCandlesDown);
c.Children.Remove(_pathCandlesUp);
c.Children.Remove(_pathWicksUp);
c.Children.Remove(_pathWicksDown);
_pathCandlesDown = null;
_pathCandlesUp = null;
_pathWicksUp = null;
_pathWicksDown = null;
}
else
{
_candles.RemoveAll();
}
}
_oldOptimizePainting = ChartX.OptimizePainting;
if (ChartX.OptimizePainting)
{
return(PaintOptimized(new[] { open, high, low, close }, _series));
}
if (!_subscribedToCustomBrush)
{
_subscribedToCustomBrush = true;
ChartX.OnCandleCustomBrush += ChartX_OnCandleCustomBrush;
}
//bool setBrushes = false;
if (!_old3DStyle.HasValue || _old3DStyle.Value != ChartX.ThreeDStyle ||
!_oldUpColor.HasValue || _oldUpColor.Value != _upColor ||
!_oldDownColor.HasValue || _oldDownColor.Value != _downColor ||
(ChartX._candleDownOutlineColor.HasValue && ChartX._candleDownOutlineColor.Value != _oldCandleDownOutline) ||
ChartX._candleUpOutlineColor.HasValue && ChartX._candleUpOutlineColor.Value != _oldCandleUpOutline)
{
//setBrushes = true;
_old3DStyle = ChartX.ThreeDStyle;
_oldUpColor = _upColor;
_oldDownColor = _downColor;
_upBrush = !ChartX.ThreeDStyle
? (Brush) new SolidColorBrush(_upColor)
: new LinearGradientBrush
{
StartPoint = new Point(0, 0.5),
EndPoint = new Point(1, 0.5),
GradientStops =
{
new GradientStop
{
Color = _upColor,
Offset = 0
},
new GradientStop
{
Color = Constants.FadeColor,
Offset = 1.25
}
}
};
#if WPF
_upBrush.Freeze();
#endif
_downBrush = !ChartX.ThreeDStyle
? (Brush) new SolidColorBrush(_downColor)
: new LinearGradientBrush
{
StartPoint = new Point(0, 0.5),
EndPoint = new Point(1, 0.5),
GradientStops =
{
new GradientStop
{
Color = _downColor,
Offset = 0
},
new GradientStop
{
Color = Constants.FadeColor,
Offset = 1.25
}
}
};
#if WPF
_downBrush.Freeze();
#endif
if (ChartX._candleDownOutlineColor.HasValue)
{
_oldCandleDownOutline = ChartX._candleDownOutlineColor.Value;
_candleDownOutlineBrush = new SolidColorBrush(ChartX._candleDownOutlineColor.Value);
#if WPF
_candleDownOutlineBrush.Freeze();
#endif
}
if (ChartX._candleUpOutlineColor.HasValue)
{
_oldCandleUpOutline = ChartX._candleUpOutlineColor.Value;
_candleUpOutlineBrush = new SolidColorBrush(ChartX._candleUpOutlineColor.Value);
#if WPF
_candleUpOutlineBrush.Freeze();
#endif
}
}
int n;
_candles.C = _series._chartPanel._rootCanvas;
_candles.Start();
for (n = ChartX._startIndex; n < ChartX._endIndex; n++)
{
if (!open[n].Value.HasValue || !high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue)
{
continue;
}
Candle candle = _candles.GetPaintObject(_upBrush, _downBrush);
candle.Init(_series);
//if (setBrushes) //because if we have a small number of bars, then enlarge the new brushes won't be propagated to new candles.
candle.SetBrushes(_upBrush, _downBrush, _candleUpOutlineBrush, _candleDownOutlineBrush);
candle.SetValues(open[n].Value.Value, high[n].Value.Value, low[n].Value.Value, close[n].Value.Value, ChartX._barSpacing,
_halfwick, n - ChartX._startIndex);
}
_candles.Stop();
_candles.Do(c => c.ZIndex = ZIndexConstants.PriceStyles1);
return(true);
}
public override bool Paint()
{
if (_series.OHLCType == SeriesTypeOHLC.Open || _series.OHLCType == SeriesTypeOHLC.Volume)
{
return(false);
}
Series sHigh = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (sHigh == null || sHigh.RecordCount == 0 || sHigh.Painted)
{
return(false);
}
Series sLow = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (sLow == null || sLow.RecordCount == 0 || sLow.Painted)
{
return(false);
}
Series sClose = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Close);
if (sClose == null || sClose.RecordCount == 0 || sClose.Painted)
{
return(false);
}
sHigh.Painted = sLow.Painted = sClose.Painted = true;
StockChartX chartX = _series._chartPanel._chartX;
double reversalSize = chartX._priceStyleParams[0];
if (reversalSize > 50 || reversalSize < 0.0001)
{
reversalSize = 1;
}
double ptsOrPct = chartX._priceStyleParams[1];
if (ptsOrPct != 2 && ptsOrPct != 1)
{
ptsOrPct = 1; // Points = 1, Percent = 2
}
chartX._priceStyleParams[1] = ptsOrPct;
chartX._priceStyleParams[0] = reversalSize;
double reverse;
chartX._psValues1.Clear();
chartX._psValues2.Clear();
chartX._psValues3.Clear();
double nClose = 0, nClose2;
double start = 0;
const int percent = 2;
const int up = 1;
const int down = 2;
int direction = 0; // up or down
int weight = 0; // thick or thin
int totalBars = 0;
double max = 0, min = 0;
double oldMax = 0, oldMin = 0;
if (sClose.RecordCount < 3)
{
return(false);
}
chartX._xMap = new double[chartX._endIndex - chartX._startIndex + 1];
int cnt = 0;
// Count columns that will fit on screen
int n;
for (n = 0; n < chartX._endIndex + 1; n++)
{
if (n >= sClose.RecordCount)
{
continue;
}
if (!sClose[n].Value.HasValue)
{
continue;
}
nClose = sClose[n].Value.Value;
if (ptsOrPct == percent)
{
reverse = nClose * reversalSize; // Percent
}
else
{
reverse = reversalSize; // Points
}
if (direction == 0)
{ // First bar
nClose2 = sClose[n + 1].Value.Value;
if (nClose2 > nClose)
{
direction = up;
weight = thick;
start = nClose;
max = nClose;
}
else
{
direction = down;
weight = thin;
start = nClose2;
min = nClose2;
}
}
switch (direction)
{
case up:
if (nClose > max)
{
max = nClose;
if (max > start)
{
weight = thick;
}
}
else if (nClose < max - reverse)
{
direction = down;
start = max;
min = nClose;
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBars++;
}
}
break;
case down:
if (nClose < min)
{
min = nClose;
if (min < start)
{
weight = thin;
}
}
else if (nClose > min + reverse)
{
direction = up;
start = min;
max = nClose;
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
totalBars++;
}
}
break;
}
}
chartX._xCount = totalBars;
if (totalBars == 0)
{
return(false);
}
double space = chartX.PaintableWidth / totalBars;
totalBars = 0;
direction = 0;
int pWeight = 0;
_lines.C = _series._chartPanel._rootCanvas;
_lines.Start();
// Calculate from beginning, but only show between startIndex and endIndex
double x = _series._chartPanel._chartX.LeftChartSpace;
for (n = 0; n < chartX._endIndex; n++)
{
if (sClose[n].Value.HasValue)
{
nClose = sClose[n].Value.Value;
if (ptsOrPct == percent)
{
reverse = nClose * reversalSize; // Percent
}
else
{
reverse = reversalSize; // Points
}
if (direction == 0)
{ // First bar
nClose2 = sClose[n + 1].Value.Value;
if (nClose2 > nClose)
{
direction = up;
weight = thick;
max = nClose;
min = nClose;
oldMin = nClose2;
oldMax = nClose;
pWeight = thick;
}
else
{
direction = down;
weight = thin;
min = nClose2;
max = nClose2;
oldMin = nClose;
oldMax = nClose2;
pWeight = thin;
}
}
switch (direction)
{
case up:
if (nClose > max)
{
max = nClose;
if (max > oldMax)
{
weight = thick;
}
}
else if (nClose < max - reverse)
{
// Paint previous up bar
if (weight == pWeight)
{
oldMax = 0;
}
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBar(x, space, max, min, up, weight, oldMax);
x += space;
}
pWeight = weight;
direction = down;
oldMin = min;
min = nClose;
totalBars++;
}
break;
case down:
if (nClose < min)
{
min = nClose;
if (min < oldMin)
{
weight = thin;
}
}
else if (nClose > min + reverse)
{
// Paint previous down bar
if (weight == pWeight)
{
oldMin = 0;
}
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
PaintBar(x, space, max, min, down, weight, oldMin);
x += space;
}
pWeight = weight;
direction = up;
oldMax = max;
max = nClose;
totalBars++;
}
break;
}
// Record the x value
if (n >= chartX._startIndex && n <= chartX._endIndex)
{
chartX._xMap[cnt] = x + (space / 2);
cnt++;
}
}
chartX._psValues1.Add(new PriceStyleValue(sClose[n].TimeStamp, max));
chartX._psValues2.Add(new PriceStyleValue(sClose[n].TimeStamp, min));
chartX._psValues3.Add(new PriceStyleValue(sClose[n].TimeStamp, (direction == up) ? 1 : -1));
}
switch (direction)
{
case up:
if (nClose > max)
{
max = nClose;
if (max >= oldMax)
{
weight = thick;
}
}
if (weight == pWeight)
{
oldMax = 0;
}
break;
case down:
if (nClose <= min)
{
min = nClose;
if (min < oldMin)
{
weight = thin;
}
}
if (weight == pWeight)
{
oldMin = 0;
}
break;
}
if (direction == down)
{
PaintBar(x, 0, max, min, down, weight, oldMin);
}
else
{
PaintBar(x, 0, max, min, up, weight, oldMax);
}
chartX._psValues1.Add(new PriceStyleValue(sClose[n - 1].TimeStamp, max));
chartX._psValues2.Add(new PriceStyleValue(sClose[n - 1].TimeStamp, min));
chartX._psValues3.Add(new PriceStyleValue(sClose[n - 1].TimeStamp, (direction == up) ? 1 : -1));
_lines.Stop();
_lines.Do(l => l.ZIndex = ZIndexConstants.PriceStyles1);
return(true);
}
public override bool Paint()
{
//Find Series
Series open = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Open);
if (open == null || open.RecordCount == 0 || open.Painted) return false;
Series high = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null || high.RecordCount == 0 || high.Painted) return false;
Series low = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null || low.RecordCount == 0 || low.Painted) return false;
Series close = _series._chartPanel.GetSeriesOHLCV(_series, SeriesTypeOHLC.Close);
if (close == null || close.RecordCount == 0 || close.Painted) return false;
open.Painted = high.Painted = low.Painted = close.Painted = true;
StockChartX chartX = _series._chartPanel._chartX;
chartX._xMap = new double[chartX._xCount = 0];
const int iStep = 1;
int rcnt = chartX.RecordCount;
double x2 = chartX.GetXPixel(rcnt);
double x1 = chartX.GetXPixel(rcnt - 1);
double space = ((x2 - x1) / 2) - chartX._barWidth / 2;
if (space > 20) space = 20;
if (space > _series._chartPanel._chartX._barSpacing)
_series._chartPanel._chartX._barSpacing = space;
space = Math.Ceiling(space * 0.75);
Color upColor = _series._upColor.HasValue ? _series._upColor.Value : chartX.UpColor;
Color downColor = _series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor;
_upBrush = !chartX.ThreeDStyle
? (Brush)new SolidColorBrush(upColor)
: new LinearGradientBrush
{
StartPoint = new Point(0, 0.5),
EndPoint = new Point(1, 0.5),
GradientStops =
{
new GradientStop { Color = upColor, Offset = 0 },
new GradientStop { Color = Constants.FadeColor, Offset = 1.25 }
}
};
_downBrush = !chartX.ThreeDStyle
? (Brush)new SolidColorBrush(downColor)
: new LinearGradientBrush
{
StartPoint = new Point(0, 0.5),
EndPoint = new Point(1, 0.5),
GradientStops =
{
new GradientStop { Color = downColor, Offset = 0 },
new GradientStop { Color = Constants.FadeColor, Offset = 1.25 }
}
};
if (chartX._candleDownOutlineColor.HasValue)
_candleDownOutlineBrush = new SolidColorBrush(chartX._candleDownOutlineColor.Value);
if (chartX._candleUpOutlineColor.HasValue)
_candleUpOutlineBrush = new SolidColorBrush(chartX._candleUpOutlineColor.Value);
double wick = chartX._barWidth;
double halfwick = wick / 2;
if (halfwick < 1)
halfwick = 1;
int n;
//int t = Environment.TickCount;
_candles.C = _series._chartPanel._rootCanvas;
_candles.Start();
Debug.WriteLine("StartIndex " + chartX._startIndex + " EndIndex " + chartX._endIndex);
for (n = chartX._startIndex; n < chartX._endIndex; n += iStep)
{
if (n == 0 && (!open[n].Value.HasValue || !high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue))
continue;
if (n > 0 && (!open[n].Value.HasValue || !high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue ||
!open[n - 1].Value.HasValue || !close[n - 1].Value.HasValue))
continue;
CandleHeikinAshi candle = _candles.GetPaintObject(_upBrush, _downBrush);
candle.Init(_series);
candle.SetBrushes(_upBrush, _downBrush, _candleUpOutlineBrush, _candleDownOutlineBrush);
candle.SetValues(open[n], high[n], low[n], close[n], space, halfwick, n - chartX._startIndex);
}
_candles.Stop();
_candles.Do(c => c.ZIndex = ZIndexConstants.PriceStyles1);
Debug.WriteLine("Candles count " + _candles.Count);
return true;
}
public override bool Paint()
{
if (_series._seriesTypeOHLC != SeriesTypeOHLC.Close)
{
return(false);
}
StockChartX chartX = _series._chartPanel._chartX;
Series open = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Open);
Series high = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null || high.Painted || high.RecordCount == 0)
{
return(false);
}
Series low = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null || low.Painted || low.RecordCount == 0)
{
return(false);
}
Series close = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Close);
if (close == null || close.Painted || close.RecordCount == 0)
{
return(false);
}
high.Painted = low.Painted = close.Painted = true;
if (!_subscribedToCustomBrush)
{
_subscribedToCustomBrush = true;
chartX.OnCandleCustomBrush += ChartX_OnCandleCustomBrush;
}
bool changeBrushes = false;
Color upColor = _series._upColor.HasValue ? _series._upColor.Value : chartX.UpColor;
Color downColor = _series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor;
if (!_oldUpColor.HasValue || _oldUpColor.Value != upColor)
{
_upBrush = new SolidColorBrush(upColor);
_upBrush.Freeze();
_oldUpColor = upColor;
changeBrushes = true;
}
if (!_oldDownColor.HasValue || _oldDownColor.Value != downColor)
{
_downBrush = new SolidColorBrush(_series._downColor.HasValue ? _series._downColor.Value : chartX.DownColor);
_downBrush.Freeze();
_oldDownColor = downColor;
changeBrushes = true;
}
if (!_oldStrokeColor.HasValue || _oldStrokeColor.Value != _series._strokeColor)
{
_customBrush = new SolidColorBrush(_series._strokeColor);
_customBrush.Freeze();
_oldStrokeColor = _series._strokeColor;
changeBrushes = true;
}
int rcnt = chartX.RecordCount;
double x2 = chartX.GetXPixel(rcnt);
double x1 = chartX.GetXPixel(rcnt - 1);
double space = ((x2 - x1) / 2) - chartX._barWidth / 2;
if (space > 20)
{
space = 20;
}
chartX._barSpacing = space;
int cnt = 0;
((ModulusFE.Stock)_series)._priceStyleStock = this;
_stocks.C = _series._chartPanel._rootCanvas;
_stocks.Start();
for (int n = chartX._startIndex; n < chartX._endIndex; n++, cnt++)
{
if (!high[n].Value.HasValue || !low[n].Value.HasValue || !close[n].Value.HasValue)
{
continue;
}
PaintObjects.Stock stock = _stocks.GetPaintObject(_upBrush, _downBrush, _customBrush);
stock.Init(_series);
if (changeBrushes)
{
stock.SetBrushes(_upBrush, _downBrush, _customBrush);
}
stock.SetValues(open != null ? open[n].Value : null, high[n].Value.Value, low[n].Value.Value, close[n].Value.Value, space, n - chartX._startIndex);
}
_stocks.Stop();
_stocks.Do(s => s.ZIndex = ZIndexConstants.PriceStyles1);
return(true);
}
internal override void DrawLineStudy(Types.RectEx rect, LineStatus lineStatus)
{
if (lineStatus == LineStatus.StartPaint)
{
return;
}
rect.Normalize();
if (rect.Width == 0 || rect.Left < 0)
{
return;
}
int revX1 = (int)(_chartX.GetReverseXInternal(rect.Left) + _chartX._startIndex);
int revX2 = (int)(_chartX.GetReverseXInternal(rect.Right) + _chartX._startIndex);
if (revX1 < 0)
{
revX1 = 0;
}
if (revX2 < 0)
{
revX2 = 0;
}
if (revX1 == revX2)
{
return;
}
// Note: this code makes the vague assumption
// that only one symbol exists on this panel.
// Get the close series
Series sClose = GetSeriesOHLC(SeriesTypeOHLC.Close);
if (sClose == null)
{
return;
}
//Debug.Assert(sClose.RecordCount == _chartX.RecordCount);
if (revX1 >= _chartX.RecordCount)
{
revX1 = _chartX.RecordCount - 1;
}
if (revX2 >= _chartX.RecordCount)
{
revX2 = _chartX.RecordCount - 1;
}
// Get the highest high of the high series.
double highestHigh = 0;
Series sHigh = GetSeriesOHLC(SeriesTypeOHLC.High);
if (sHigh == null)
{
return;
}
//Debug.Assert(revX1 <= revX2);
for (int i = revX1; i <= revX2; i++)
{
if (sHigh[i].Value > highestHigh)
{
highestHigh = sHigh[i].Value.Value;
}
}
//Get the lowest low of the low series.
double lowestLow = highestHigh;
Series sLow = GetSeriesOHLC(SeriesTypeOHLC.Low);
if (sLow == null)
{
return;
}
for (int i = revX1; i <= revX2; i++)
{
if (sLow[i].Value < lowestLow)
{
lowestLow = sLow[i].Value.Value;
}
}
double range = (highestHigh - lowestLow) * 0.5;
if (_rangeScale.HasValue)
{
range = (highestHigh - lowestLow) * _rangeScale.Value;
}
// Perform linear regression on the data
double xSum = 0, ySum = 0, xSquaredSum = 0, xYSum = 0;
int x = revX2 - revX1;
int j, n;
for (n = 1; n != x + 1; ++n)
{
j = revX1 + n - 1;
xSum += n;
ySum += sClose[j].Value.Value;
xSquaredSum += (n * n);
xYSum += (sClose[j].Value.Value * n);
}
n = x;
double q1 = n != 0 ? (xYSum - ((xSum * ySum) / n)) : 0;
double q2 = n != 0 ? (xSquaredSum - ((xSum * xSum) / n)) : 0;
double slope = q2 != 0 ? (q1 / q2) : 0;
double leftValue = slope != 0 ? (((1 / (double)n) * ySum) - (((int)((double)n / 2)) * slope)) : 0.0;
double rightValue = ((n * slope) + leftValue);
double inc = (x - 1) != 0 ? (rightValue - leftValue) / (x - 1) : 0;
j = 0;
double prevVal = 0;
double lX1 = rect.Left; //_chartX.GetX(revX1 - _chartX._startIndex);
double lX2 = rect.Right; // _chartX.GetX((revX2 - 1) - _chartX._startIndex + 1);
if (_linesError.Count == 0)
{
for (int i = 0; i < 3; i++)
{
System.Windows.Shapes.Line line = new System.Windows.Shapes.Line {
Tag = this
};
Canvas.SetZIndex(line, ZIndexConstants.LineStudies1);
C.Children.Add(line);
_linesError.Add(line);
}
_contextLine = new ContextLine(this);
_chartX.InvokeLineStudyCreated(new StockChartX.LineStudyCreatedEventArgs(this));
}
_internalObjectCreated = true;
_lines.C = C;
_lines.Start();
for (n = revX1; n <= revX2; n++, j++)
{
double val = leftValue + inc * (j - 1);
//double lX1 = _chartX.GetX(n - _chartX._startIndex);
//double lX2 = _chartX.GetX(n - _chartX._startIndex + 1);
double lY1 = _chartPanel.GetY(prevVal + range);
double lY2 = _chartPanel.GetY(val + range);
if (prevVal != 0.0)
{
_errorLines[2].Y1 = lY1;
_errorLines[2].Y2 = lY2;
Utils.DrawLine(lX1, lY1, lX2, lY2, Stroke, StrokeType, StrokeThickness, _linesError[0]);
}
lY1 = _chartPanel.GetY(prevVal - range);
lY2 = _chartPanel.GetY(val - range);
if (prevVal != 0.0)
{
_errorLines[0].Y1 = lY1;
_errorLines[0].Y2 = lY2;
Utils.DrawLine(lX1, lY1, lX2, lY2, Stroke, StrokeType, StrokeThickness, _linesError[1]);
}
lY1 = _chartPanel.GetY(prevVal);
lY2 = _chartPanel.GetY(val);
if (prevVal != 0.0)
{
_errorLines[1].Y1 = lY1;
_errorLines[1].Y2 = lY2;
Utils.DrawLine(lX1, lY1, lX2, lY2, Stroke, StrokeType, StrokeThickness, _linesError[2]);
}
prevVal = val;
}
if (lineStatus == LineStatus.Moving || lineStatus == LineStatus.Painting)
{
Utils.DrawLine(rect.Left, 0, rect.Left, _chartPanel.Height, Stroke, StrokeType, StrokeThickness, _lines);
Utils.DrawLine(rect.Right, 0, rect.Right, _chartPanel.Height, Stroke, StrokeType, StrokeThickness, _lines);
}
_lines.Stop();
_lines.Do(l => l.ZIndex = ZIndexConstants.LineStudies1);
_errorLines[0].X1 = rect.Left;
_errorLines[0].X2 = rect.Right;
_errorLines[1].X1 = rect.Left;
_errorLines[1].X2 = rect.Right;
_errorLines[2].X1 = rect.Left;
_errorLines[2].X2 = rect.Right;
if (_contextLine == null && _linesError.Count > 0)
{
_contextLine = new ContextLine(this);
}
}
public override bool Paint()
{
StockChartX chartX = _series._chartPanel._chartX;
chartX._psValues1.Clear();
chartX._psValues2.Clear();
chartX._psValues3.Clear();
if (_series.OHLCType != SeriesTypeOHLC.Close)
{
return(false);
}
Series close = _series;
Series low = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.Low);
if (low == null)
{
return(false);
}
Series high = chartX.GetSeriesOHLCV(_series, SeriesTypeOHLC.High);
if (high == null)
{
return(false);
}
/*
* Initial box top is the high of day 1.
*
* The first step is to find a new high that is higher than the high of day 1.
* The high can be found anytime - even after 5 days.
* But once the bottom has been found, the box is complete.
*
* To find the bottom, the low must be after day 2 of the day the last box
* top was found and must be lower than the low of original day 1 low.
*
* The bottom is always found last and a new high may not be found once
* the bottom is locked in - the Darvas box is complete then.
*
* A new box is started when the price breaks out of top or bottom,
*
* The bottom stop loss box is drawn as a percentage of the last price.
*/
Brush brDarvas = new SolidColorBrush(Color.FromArgb(0xFF, 0, 0, 255));
Brush brDarvaseIncomplete = new SolidColorBrush(Color.FromArgb(0xFF, 100, 115, 255));
Brush topLeft = new SolidColorBrush(Color.FromArgb(0xFF, 240, 240, 240));
Brush bottomRight = new SolidColorBrush(Color.FromArgb(0xFF, 150, 150, 150));
Brush brGradStopLoss = Utils.CreateFadeVertBrush(Color.FromArgb(0xFF, 255, 255, 255), Colors.Red);
double boxTop = 0;
double boxBottom = 0;
int bottomFound = 0;
int cnt = 0;
int start = 0;
int state = 0;
_rects.C = _rects3D.C = _series._chartPanel._rootCanvas;
_rects3D.Start();
_rects.Start();
for (int n = chartX._startIndex; n < chartX._endIndex; n++, cnt++)
{
if (!close[n].Value.HasValue || !high[n].Value.HasValue || !low[n].Value.HasValue)
{
continue;
}
double x1;
double x2;
double y1;
double y2;
if (n == chartX._endIndex - 1)
{
x1 = chartX.GetXPixel(start);
x2 = chartX.GetXPixel(cnt);
y1 = _series._chartPanel.GetY(boxTop);
y2 = _series._chartPanel.GetY(boxBottom);
if (state == 5) // draw the last COMPLETED box
{
Rectangle rect = Utils.DrawRectangle(x1, y1, x2 + 2, y2, brDarvas, _rects);
rect._rectangle.Opacity = 0.5;
Utils.Draw3DRectangle(x1, y1, x2 + 2, y2, topLeft, bottomRight, _rects3D);
}
else if (bottomFound > 0)
{
Rectangle rect = Utils.DrawRectangle(x1, y1, x2 + 2, y2, brDarvaseIncomplete, _rects);
rect._rectangle.Opacity = 0.5;
Utils.Draw3DRectangle(x1, y1, x2 + 2, y2, topLeft, bottomRight, _rects3D);
}
// Gradient stop loss box
double y3 = _series._chartPanel.GetY(boxBottom - (boxBottom * chartX._darvasPct));
if (y3 < y2)
{
y3 = y2;
}
Utils.DrawRectangle(x1, y2, x2 + 2, y3, brGradStopLoss, _rects);
break;
}
if (state == 0)
{ // Start of a new box
// Save new box top and bottom
start = cnt;
bottomFound = 0;
boxTop = high[n].Value.Value;
boxBottom = -1;
state = 1;
}
switch (state)
{
case 1:
if (high[n].Value.Value > boxTop)
{
boxTop = high[n].Value.Value;
state = 1;
}
else
{
state = 2;
}
break;
case 2:
if (high[n].Value.Value > boxTop)
{
boxTop = high[n].Value.Value;
state = 1;
}
else
{
bottomFound = n;
boxBottom = low[n].Value.Value;
state = 3;
}
break;
case 3:
if (high[n].Value.Value > boxTop)
{
boxTop = high[n].Value.Value;
state = 1;
}
else
{
if (low[n].Value.Value < boxBottom)
{
boxBottom = low[n].Value.Value;
bottomFound = n;
state = 3;
}
else
{
state = 4;
}
}
break;
case 4:
if (high[n].Value.Value > boxTop)
{
boxTop = high[n].Value.Value;
state = 1;
}
else
{
if (low[n].Value.Value < boxBottom)
{
boxBottom = low[n].Value.Value;
bottomFound = n;
state = 3;
}
else
{
state = 5; // Darvas box is complete
}
}
break;
}
if (state != 5)
{
continue;
}
if (low[n].Value.Value >= boxBottom && high[n].Value.Value <= boxTop)
{
continue;
}
x1 = chartX.GetXPixel(start);
x2 = chartX.GetXPixel(cnt);
y1 = _series._chartPanel.GetY(boxTop);
y2 = _series._chartPanel.GetY(boxBottom);
Rectangle rectangle = Utils.DrawRectangle(x1, y1, x2, y2, brDarvas, _rects);
rectangle._rectangle.Opacity = 0.5;
Utils.Draw3DRectangle(x1, y1, x2, y2, topLeft, bottomRight, _rects3D);
Utils.DrawRectangle(x1, y2, x2, _series._chartPanel.GetY(boxBottom - (boxBottom * chartX._darvasPct)),
brGradStopLoss, _rects);
state = 0;
cnt--;
n--;
}
_rects3D.Stop();
_rects.Stop();
_rects.Do(r => r.ZIndex = ZIndexConstants.DarvasBoxes1);
_rects3D.Do(r => r.ZIndex = ZIndexConstants.DarvasBoxes2);
return(true);
}
internal override void DrawLineStudy(Types.RectEx rect, LineStatus lineStatus)
{
if (lineStatus == LineStatus.StartPaint)
{
for (int i = 0; i < _lines.Length; i++)
{
_lines[i] = new Line {
Tag = this
};
Canvas.SetZIndex(_lines[i], ZIndexConstants.LineStudies1);
C.Children.Add(_lines[i]);
}
if (_contextLine == null)
{
_contextLine = new ContextLine(this);
_chartX.InvokeLineStudyCreated(new StockChartX.LineStudyCreatedEventArgs(this));
}
return;
}
// ****************************************************************
// *Note: This line study requires OHLC series in the owner panel!*
// ****************************************************************
rect.Normalize();
if (rect.Width == 0)
{
return;
}
int revX1 = (int)(_chartX.GetReverseXInternal(rect.Left) + _chartX._startIndex);
int revX2 = (int)(_chartX.GetReverseXInternal(rect.Right) + _chartX._startIndex);
if (revX1 < 0)
{
revX1 = 0;
}
if (revX2 < 0)
{
revX2 = 0;
}
if (revX1 == revX2)
{
return;
}
// Get the highest high of the high series.
// Note: this code makes the vague assumption
// that only one symbol exists on this panel.
Series sHigh = GetSeriesOHLC(SeriesTypeOHLC.High);
if (sHigh == null)
{
return;
}
Series sLow = GetSeriesOHLC(SeriesTypeOHLC.Low);
if (sLow == null)
{
return;
}
double highestHigh = sHigh.MaxFromInterval(ref revX1, ref revX2);
double lowestLow = sLow.MinFromInterval(ref revX1, ref revX2);
double value = highestHigh + ((highestHigh - lowestLow) / 4);
_linesSel.C = C;
_linesSel.Start();
for (int i = 0; i < _lines.Length; i++)
{
value -= ((highestHigh - lowestLow) / 4);
rect.Top = _chartPanel.GetY(value);
Utils.DrawLine(rect.Left, rect.Top, rect.Right, rect.Top,
Stroke, i == 2 ? LinePattern.Dot : StrokeType, StrokeThickness, Opacity, _lines[i]);
}
if (lineStatus == LineStatus.Moving || lineStatus == LineStatus.Painting)
{
Utils.DrawLine(rect.Left, 0, rect.Left, C.ActualHeight, Stroke, LinePattern.Dot, StrokeThickness, Opacity, _linesSel);
Utils.DrawLine(rect.Right, 0, rect.Right, C.ActualHeight, Stroke, LinePattern.Dot, StrokeThickness, Opacity, _linesSel);
}
_linesSel.Stop();
_internalObjectCreated = true;
_linesSel.Do(l => l.ZIndex = ZIndexConstants.LineStudies1);
}
internal override void Paint()
{
//Debug.WriteLine("ChartPanel heat map paint");
if (!_templateLoaded || _painting)
{
_timers.StopTimerWork(TimerSizeChanged);
return;
}
_rects.C = _rootCanvas;
_rects.Start();
_labels.C = _rootCanvas;
_labels.Start();
List <Series> indicators = _chartX.IndicatorsCollection.Cast <Series>().ToList();
var seriesForHeatMap = _chartX.SeriesCollection.Where(s => s.ShowInHeatMap);
indicators.AddRange(seriesForHeatMap);
//IEnumerable<Indicator> indicators = _chartX.IndicatorsCollection;
if (indicators.Count() == 0)
{
_timers.StopTimerWork(TimerSizeChanged);
_rects.Stop();
_labels.Stop();
return;
}
_painting = true;
double panelHeight = _rootCanvas.ActualHeight / indicators.Count;
double rectWidth = _chartX.PaintableWidth / (_chartX._endIndex - _chartX._startIndex);
int indicatorIndex = 0;
foreach (Series indicator in indicators)
{
double min;
double max;
indicator.DM.VisibleMinMax(indicator.SeriesIndex, out min, out max);
if (indicator.RecordCount == 0)
{
continue;
}
int cnt = 0;
for (int i = _chartX._startIndex; i < _chartX._endIndex; i++, cnt++)
{
double?value = indicator[i].Value;
if (!value.HasValue || min == max)
{
continue;
}
Brush brush = _brushes[(int)((_brushes.Length - 1) * (value.Value - min) / (max - min))];
double x = cnt * rectWidth + _chartX.LeftChartSpace;
double y = indicatorIndex * panelHeight;
Rectangle rectangle = Utils.DrawRectangle(x, y, x + rectWidth + 1, y + panelHeight, brush, _rects);
rectangle._rectangle.Stroke = brush;
}
Label lbl = Utils.DrawText(_chartX.LeftChartSpace + 10, indicatorIndex * panelHeight + 2,
indicator.Title, _chartX.HeatPanelLabelsForeground,
_chartX.HeatPanelLabelsFontSize, _chartX.FontFamily, _labels);
#if WPF
lbl._textBlock.Background = _chartX.HeatPanelLabelsBackground;
#endif
indicatorIndex++;
}
_rects.Stop();
_labels.Stop();
_rects.Do(r => r.ZIndex = ZIndexConstants.DarvasBoxes1);
_labels.Do(l => l.ZIndex = ZIndexConstants.DarvasBoxes2);
_painting = false;
_timers.StopTimerWork(TimerSizeChanged);
}