public void Draw(GraphicsWrapper g, RectangleF clipping, RectangleF space, float totalItemWidth)
{
if (Visible == false)
{
return;
}
if (VerticalLineSpacing.HasValue)
{
float actualSpacing = _verticalLineSpacing.Value * totalItemWidth;
if (ConsiderScale)
{
int xScaling = Math.Abs((int)(1 / g.DrawingSpaceTransformClone.Elements[0]));
if (xScaling > 1)
{
actualSpacing = actualSpacing * xScaling;
}
}
// Set starting to the closes compatible position.
float starting = (int)(space.Left / actualSpacing);
starting = starting * actualSpacing;
for (float x = starting; x <= space.Right; x += actualSpacing)
{// Vertical lines.
if (x >= clipping.X && x <= clipping.X + clipping.Width + actualSpacing)
{
g.DrawLine(_pen, x, Math.Max(space.Top, clipping.Top), x, Math.Min(space.Bottom, clipping.Bottom));
}
}
}
if (HorizontalLineSpacing.HasValue)
{
float actualSpacing = _horizontalLineSpacing.Value;
if (ConsiderScale &&
double.IsInfinity(g.DrawingSpaceTransformClone.Elements[3]) == false &&
g.DrawingSpaceTransformClone.Elements[3] != 0)
{
int yScaling = Math.Abs((int)(1 / g.DrawingSpaceTransformClone.Elements[3]));
if (yScaling > 1)
{
actualSpacing = actualSpacing * yScaling;
}
}
// Set starting to the closes compatible position.
float starting = (int)(space.Top / actualSpacing);
starting = starting * actualSpacing;
for (float y = starting; y <= space.Bottom; y += actualSpacing)
{// Horizontal lines.
if (y >= clipping.Y && y <= clipping.Y + clipping.Height)
{
g.DrawLine(_pen, Math.Max(space.Left, clipping.Left), y, Math.Min(space.Right, clipping.Right), y);
}
}
}
}
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification, RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
PointF drawingPoint = new PointF();
if (this.Visible == false)
{
return;
}
lock (this)
{
Image image;
foreach (float value in _values)
{// Images mode does not apply unit unification
if (double.IsNaN(value) == false && drawingPoint.X >= clippingRectangle.X && drawingPoint.X <= clippingRectangle.X + clippingRectangle.Width &&
_images.ContainsKey((int)value))
{
image = _images[(int)value];
g.DrawImage(image, drawingPoint.X + _imagesDisplacement.X - image.Width / 2, drawingPoint.Y + _imagesDisplacement.Y + (float)value);
}
drawingPoint.X += itemMargin + itemWidth;
}
}
}
public void SynchronizeWithMasterPane()
{
if (_masterPane == null || _masterPaneSynchronizationMode == MasterPaneSynchronizationModeEnum.None)
{
return;
}
SystemMonitor.CheckThrow(_masterPaneSynchronizationMode == MasterPaneSynchronizationModeEnum.XAxis, "Mode not supported.");
GraphicsWrapper.SynchronizeDrawingSpaceXAxis(_masterPane.GraphicsWrapper);
this.YAxisLabelsPosition = _masterPane.YAxisLabelsPosition;
//this.AutoScrollToEnd = _masterPane.AutoScrollToEnd;
this.LimitedView = _masterPane.LimitedView;
Crosshair.Visible = _masterPane.Crosshair.Visible;
RectangleF screen = GraphicsWrapper.ActualSpaceToDrawingSpace(ActualDrawingSpaceArea);
FitHorizontalAreaToScreen(screen);
UpdateMasterSynchronizationState(true);
WinFormsHelper.BeginFilteredManagedInvoke(this, TimeSpan.FromMilliseconds(100), Refresh);
//this.Invalidate();
}
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification, RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
PointF drawingPoint = new PointF();
if (this.Visible == false)
{
return;
}
lock (this)
{
Image image;
foreach (float value in _values)
{// Images mode does not apply unit unification
if (double.IsNaN(value) == false && drawingPoint.X >= clippingRectangle.X && drawingPoint.X <= clippingRectangle.X + clippingRectangle.Width
&& _images.ContainsKey((int)value))
{
image = _images[(int)value];
g.DrawImage(image, drawingPoint.X + _imagesDisplacement.X - image.Width / 2, drawingPoint.Y + _imagesDisplacement.Y + (float)value);
}
drawingPoint.X += itemMargin + itemWidth;
}
}
}
/// <summary>
/// This is a chance for the Series to draw custom messages on the given location (typically top left corner).
/// The result must be the next valid drawing point down (how much space was used for drawing by current series).
/// </summary>
public virtual PointF DrawCustomMessages(ChartPane managingPane, GraphicsWrapper g, PointF drawingLocation)
{
if (Visible == false)
{
return(drawingLocation);
}
foreach (KeyValuePair <string, Color> pair in CustomMessages)
{
Brush brush = managingPane.TitleFontBrush;
if (pair.Value.IsEmpty == false)
{
brush = new SolidBrush(pair.Value);
}
Font font = managingPane.TitleFont;
if (CustomMessagesFont != null)
{
font = CustomMessagesFont;
}
drawingLocation = DrawCustomMessage(g, font, brush, pair.Key, drawingLocation);
}
return(drawingLocation);
}
/// <summary>
/// Draw additional image.
/// </summary>
protected override void DrawInitialActualSpaceOverlays(GraphicsWrapper g, TimeBasedChartSeries timeBasedSeries)
{
base.DrawInitialActualSpaceOverlays(g, timeBasedSeries);
if (_showMasterSynchronizationImage && _masterSynchronizationImage != null)
{
g.DrawImageUnscaledAndClipped(_masterSynchronizationImage, new Rectangle(4, (int)LabelsTopMargin, _masterSynchronizationImage.Width, _masterSynchronizationImage.Height));
}
}
public override void Draw(GraphicsWrapper g, PointF?mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace)
{
if (Visible == false)
{
return;
}
if (_controlPoints.Count < 1)
{
return;
}
PointF point1 = _controlPoints[0];
PointF point2;
if (_controlPoints.Count < 2)
{
point2 = mousePosition.Value;
}
else
{
point2 = _controlPoints[1];
}
// Clipping opitmization.
RectangleF rectangle = new RectangleF(
Math.Min(point1.X, point2.X), Math.Min(point1.Y, point2.Y),
Math.Abs(point2.X - point1.X), Math.Abs(point2.Y - point1.Y));
if (rectangle.IntersectsWith(clippingRectangle) == false)
{
return;
}
// Draw base line.
g.DrawLine(_dashedLinePen, point1, point2);
float baseLevel = point1.Y;
float height = point2.Y - point1.Y;
// Draw fibbonacci levels.
float[] levels = new float[] { 0, 23.6f, 38.2f, 50, 61.8f, 100 };
for (int i = 0; i < levels.Length; i++)
{
float actualLevel = baseLevel + height * levels[i] / 100f;
g.DrawLine(_solidLinePen, point1.X, actualLevel, point2.X, actualLevel);
g.DrawString(levels[i].ToString(), DefaultDynamicObjectFont, Brushes.White, point1.X, actualLevel);
}
if (Selected)
{
DrawControlPoints(g);
}
}
/// <summary>
/// Helper.
/// </summary>
protected PointF DrawCustomMessage(GraphicsWrapper g, Font font, Brush brush, string message, PointF drawingLocation)
{
if (font != null && brush != null)
{
SizeF size = g.MeasureString(message, font);
g.DrawString(message, font, brush, drawingLocation);
drawingLocation.Y += size.Height;
}
return(drawingLocation);
}
/// <summary>
///
/// </summary>
protected void DrawItemSet(LinesChartSeries.ChartTypeEnum type, GraphicsWrapper g, Pen pen, Brush fill, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin, object tag)
{
PointF drawingPoint = new PointF();
int startIndex, endIndex;
GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
// Need to go up to (ItemsCount + unitsUnification) since the size of the step is (unitsUnification).
for (int i = startIndex + unitsUnification - 1; i < endIndex && i < ItemsCount + unitsUnification; i += unitsUnification)
{
int actualIndex = i;
int actualPreviousIndex = Math.Max(0, i - unitsUnification);
if (actualIndex < 0 || actualIndex >= ItemsCount)
{// Cycle conditions are loose and this is possible.
continue;
}
switch (type)
{
case LinesChartSeries.ChartTypeEnum.ColoredArea:
DrawColorAreaItem(g, ref drawingPoint, pen, fill, actualIndex,
actualPreviousIndex, itemWidth, itemMargin, tag);
break;
case LinesChartSeries.ChartTypeEnum.Histogram:
DrawHistogramBar(g, ref drawingPoint, pen, fill, actualIndex,
actualPreviousIndex, itemWidth, itemMargin, unitsUnification, tag);
break;
case LinesChartSeries.ChartTypeEnum.Line:
{
float previousValue = GetDrawingValueAt(actualPreviousIndex, tag);
float value = GetDrawingValueAt(actualIndex, tag);
if (float.IsNaN(previousValue) == false && float.IsNaN(value) == false &&
float.IsInfinity(previousValue) == false && float.IsInfinity(value) == false)
{
g.DrawLine(pen, drawingPoint.X, drawingPoint.Y + previousValue, drawingPoint.X + itemMargin + itemWidth, drawingPoint.Y + value);
}
break;
}
default:
break;
}
drawingPoint.X = (i + 1) * (itemMargin + itemWidth);
}
}
public override void Draw(GraphicsWrapper g, PointF? mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace)
{
if (Visible == false)
{
return;
}
if (_controlPoints.Count < 1)
{
return;
}
PointF point1 = _controlPoints[0];
PointF point2;
if (_controlPoints.Count < 2)
{
point2 = mousePosition.Value;
}
else
{
point2 = _controlPoints[1];
}
// Clipping opitmization.
RectangleF rectangle = new RectangleF(
Math.Min(point1.X, point2.X), Math.Min(point1.Y, point2.Y),
Math.Abs(point2.X - point1.X), Math.Abs(point2.Y - point1.Y));
if (rectangle.IntersectsWith(clippingRectangle) == false)
{
return;
}
// Draw base line.
g.DrawLine(_dashedLinePen, point1, point2);
float baseLevel = point1.Y;
float height = point2.Y - point1.Y;
// Draw fibbonacci levels.
float[] levels = new float[] { 0, 23.6f, 38.2f, 50, 61.8f, 100 };
for (int i = 0; i < levels.Length; i++)
{
float actualLevel = baseLevel + height * levels[i] / 100f;
g.DrawLine(_solidLinePen, point1.X, actualLevel, point2.X, actualLevel);
g.DrawString(levels[i].ToString(), DefaultDynamicObjectFont, Brushes.White, point1.X, actualLevel);
}
if (Selected)
{
DrawControlPoints(g);
}
}
public void SynchronizeDrawingSpaceXAxis(GraphicsWrapper masterWrapper)
{
lock (this)
{
// The current transformation matrix.
float[] elements = _drawingSpaceTransform.Elements;
// Modify the matrix only in X direction.
elements[0] = masterWrapper.DrawingSpaceTransformClone.Elements[0];
elements[4] = masterWrapper.DrawingSpaceTransformClone.Elements[4];
_drawingSpaceTransform = new Matrix(elements[0], elements[1], elements[2], elements[3], elements[4], elements[5]);
}
}
void DrawHistogramBar(GraphicsWrapper g, ref PointF drawingPoint, Pen pen, Brush fill,
int index, int previousItemIndex, float itemWidth, float itemMargin, int unitsUnification, object tag)
{
float y = drawingPoint.Y;
float height = 0;
if (unitsUnification > 1)
{
double heightSum = 0;
int actualSumCount = 0;
for (int i = previousItemIndex; i <= index; i++)
{
float value = GetDrawingValueAt(i, tag);
if (float.IsNaN(value) ||
float.IsInfinity(value))
{
continue;
}
heightSum += value;
actualSumCount++;
}
if (actualSumCount == 0)
{
return;
}
height = (float)(heightSum / actualSumCount);
}
else
{
height = GetDrawingValueAt(index, tag);
}
if (height < 0)
{
y += height;
height = -height;
}
if (fill != null)
{
g.FillRectangle(fill, drawingPoint.X, y, (itemWidth) * unitsUnification, height);
}
}
public override void Draw(GraphicsWrapper g, PointF? mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace)
{
if (Visible == false)
{
return;
}
foreach (double level in _levels)
{
if (level >= drawingSpace.Y && level <= drawingSpace.Y + drawingSpace.Height)
{
g.DrawLine(_pen, drawingSpace.X, (float)level, drawingSpace.X + drawingSpace.Width, (float)level);
}
}
}
public void Draw(GraphicsWrapper g, RectangleF drawingSpaceClipping, CustomObject.DrawingOrderEnum drawingOrder)
{
foreach (CustomObject customObject in _dynamicCustomObjects)
{
if (customObject.DrawingOrder == drawingOrder)
{
customObject.Draw(g, _pane.CurrentDrawingSpaceMousePosition, drawingSpaceClipping, _pane.DrawingSpace);
}
}
if (_currentObjectBuilt != null)
{
_currentObjectBuilt.Draw(g, _pane.CurrentDrawingSpaceMousePosition, drawingSpaceClipping, _pane.DrawingSpace);
}
}
/// <summary>
/// Main drawing routine.
/// </summary>
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
TracerHelper.Trace(ReflectionHelper.GetCallingMethod(2).Name);
if (Visible == false)
{
return;
}
lock (this)
{
base.Draw(g, _data.AsReadOnly(), unitsUnification, clippingRectangle, itemWidth, itemMargin, _maxVolume, null);
}
}
public override void Draw(GraphicsWrapper g, PointF?mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace)
{
if (Visible == false)
{
return;
}
foreach (double level in _levels)
{
if (level >= drawingSpace.Y && level <= drawingSpace.Y + drawingSpace.Height)
{
g.DrawLine(_pen, drawingSpace.X, (float)level, drawingSpace.X + drawingSpace.Width, (float)level);
}
}
}
/// <summary>
/// Main drawing routine.
/// </summary>
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
TracerHelper.Trace(ReflectionHelper.GetCallingMethod(2).Name);
if (Visible == false)
{
return;
}
lock (this)
{
base.Draw(g, _data.AsReadOnly(), unitsUnification, clippingRectangle, itemWidth, itemMargin, _maxVolume, null);
}
}
protected void DrawIcon(GraphicsWrapper g, Pen pen, Brush fill, Rectangle rectangle)
{
if (Visible == false)
{
return;
}
if (fill != null)
{
g.FillRectangle(fill, rectangle);
}
if (pen != null)
{
g.DrawRectangle(pen, rectangle);
}
}
/// <summary>
/// Control points selection rectangle is rendered in absolute size, ignoring scaling.
/// </summary>
/// <param name="g"></param>
/// <param name="pen">Pass null to use default control point pen.</param>
protected void DrawControlPoints(GraphicsWrapper g)
{
float xMargin = 0.5f * Math.Abs(_defaultAbsoluteControlPointSelectionRectanglesSize / g.DrawingSpaceTransformClone.Elements[0]);
float yMargin = 0.5f * Math.Abs(_defaultAbsoluteControlPointSelectionRectanglesSize / g.DrawingSpaceTransformClone.Elements[3]);
for (int i = 0; i < _controlPoints.Count; i++)
{
PointF point = _controlPoints[i];
if (_selectedControlPoints.Contains(i))
{
g.DrawRectangle(_defaultSelectedControlPointPen, point.X - xMargin, point.Y - yMargin, xMargin * 2, yMargin * 2);
}
else
{
g.DrawRectangle(_defaultControlPointPen, point.X - xMargin, point.Y - yMargin, xMargin * 2, yMargin * 2);
}
}
}
void DrawOrders(GraphicsWrapper g, int index, PointF drawingPoint, float itemWidth, float itemMargin,
List <Order> openingOrders, List <Order> closingOrders, DataBar orderBarData, float lastBarX)
{
// Width is same as items in real coordinates.
float actualImageHeight = _imageDown.Height / Math.Abs(g.DrawingSpaceTransformClone.Elements[3]);
float yToXScaling = Math.Abs(g.DrawingSpaceTransformClone.Elements[0] / g.DrawingSpaceTransformClone.Elements[3]);
PointF updatedImageDrawingPoint = drawingPoint;
foreach (Order order in openingOrders)
{
DrawOrder(g, ref updatedImageDrawingPoint, order, itemWidth, itemMargin, yToXScaling, orderBarData, lastBarX, true);
}
foreach (Order order in closingOrders)
{
DrawOrder(g, ref updatedImageDrawingPoint, order, itemWidth, itemMargin, yToXScaling, orderBarData, lastBarX, false);
}
}
///// <summary>
///// Helper method, draws histogram bars.
///// </summary>
//protected void DrawHistogramBars(GraphicsWrapper g, Pen pen, Brush fill, int unitsUnification,
// RectangleF clippingRectangle, float itemWidth, float itemMargin, object tag)
//{
// PointF drawingPoint = new PointF();
// int startIndex, endIndex;
// GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
// for (int i = startIndex + unitsUnification - 1; i < endIndex && i < MaximumIndex + unitsUnification - 1; i += unitsUnification)
// {
// int actualIndex = i;
// int actualPreviousIndex = i - unitsUnification;
// if (actualIndex >= MaximumIndex)
// {
// actualIndex = MaximumIndex - 1;
// }
// DrawHistogramBar(g, ref drawingPoint, pen, fill, actualIndex, actualPreviousIndex,
// itemWidth, itemMargin, unitsUnification, tag);
// drawingPoint.X = i * (itemMargin + itemWidth);
// }
//}
//protected void DrawColoredArea(GraphicsWrapper g, Pen pen, Brush fill, int unitsUnification,
// RectangleF clippingRectangle, float itemWidth, float itemMargin, object tag)
//{
// PointF drawingPoint = new PointF();
// int startIndex, endIndex;
// GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
// for (int i = startIndex + unitsUnification - 1; i < endIndex && i < MaximumIndex + unitsUnification - 1; i += unitsUnification)
// {
// int actualIndex = i;
// int actualPreviousIndex = i - unitsUnification;
// if (actualIndex >= MaximumIndex)
// {
// actualIndex = MaximumIndex - 1;
// }
// DrawColorAreaItem(g, ref drawingPoint, pen, fill, actualIndex,
// actualPreviousIndex, itemWidth, itemMargin, tag);
// drawingPoint.X = i * (itemMargin + itemWidth);
// }
//}
protected void DrawColorAreaItem(GraphicsWrapper g, ref PointF drawingPoint, Pen pen, Brush fill,
int index, int previousItemIndex, float itemWidth, float itemMargin, object tag)
{
float indexValue = GetDrawingValueAt(index, tag);
float previousItemIndexValue = GetDrawingValueAt(previousItemIndex, tag);
int unificationCount = index - previousItemIndex;
for (int i = previousItemIndex; i <= index; i++)
{
if (float.IsNaN(previousItemIndexValue))
{
previousItemIndexValue = GetDrawingValueAt(i, tag);
}
else if (float.IsNaN(indexValue))
{
indexValue = GetDrawingValueAt(i, tag);
}
}
if (float.IsNaN(indexValue) || float.IsNaN(previousItemIndexValue))
{// Failed to find reasonable values to draw.
return;
}
if (fill != null)
{
g.FillPolygon(fill, new PointF[] {
drawingPoint,
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y),
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue),
new PointF(drawingPoint.X, drawingPoint.Y + previousItemIndexValue)
});
}
if (pen != null)
{
g.DrawLine(pen, drawingPoint.X, drawingPoint.Y + previousItemIndexValue,
drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue);
}
}
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
if (this.Visible == false)
{
return;
}
lock (this)
{
for (int i = 0; i < _valueSets.Count; i++)
{
Pen pen = _defaultPen;
if (_valueSetsPens[i] == null)
{
pen = _valueSetsPens[i];
}
base.DrawItemSet(_chartType, g, pen, _defaultFill, unitsUnification, clippingRectangle, itemWidth, itemMargin, _valueSets[i]);
}
} // Lock
}
public override void Draw(GraphicsWrapper g, PointF?mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace)
{
if (Visible == false || _controlPoints.Count < 1)
{
return;
}
if (clippingRectangle.Contains(_controlPoints[0]) == false)
{// Clipping opitmization.
return;
}
SizeF size = g.MeasureString(_text, DefaultDynamicObjectFont);
if (size.Height < 0)
{
_rectangle = new RectangleF(_controlPoints[0].X, _controlPoints[0].Y + size.Height, size.Width, -size.Height);
}
else
{
_rectangle = new RectangleF(_controlPoints[0].X, _controlPoints[0].Y, size.Width, size.Height);
}
g.DrawString(_text, DefaultDynamicObjectFont, _brush, _controlPoints[0]);
if (Selected || IsBuilding)
{
g.DrawLine(Pens.Red, _rectangle.Location, new PointF(_rectangle.X + _rectangle.Width, _rectangle.Y));
}
// Rounding rectangle.
//g.DrawRectangle(Pens.White, _rectangle);
if (Selected)
{
DrawControlPoints(g);
}
}
/// <summary>
/// Enter locked.
/// </summary>
void DrawBar(GraphicsWrapper g, ref PointF startingPoint, DataBar barData, float itemWidth, float itemMargin, int itemUnitification)
{
float xMiddle = startingPoint.X + itemWidth / 2;
float xHalfWidth = itemWidth / 2;
Pen pen = _risingBarPen;
if (barData.IsRising == false)
{
pen = _fallingBarPen;
}
if (pen == null)
{
return;
}
float yDisplacement = startingPoint.Y;
g.DrawLine(pen, xMiddle, yDisplacement + (float)barData.Low, xMiddle, yDisplacement + (float)barData.High);
g.DrawLine(pen, xMiddle, yDisplacement + (float)barData.Open, xMiddle - xHalfWidth, yDisplacement + (float)barData.Open);
g.DrawLine(pen, xMiddle, yDisplacement + (float)barData.Close, xMiddle + xHalfWidth, yDisplacement + (float)barData.Close);
}
/// <summary>
///
/// </summary>
protected void DrawItemSet(LinesChartSeries.ChartTypeEnum type, GraphicsWrapper g, Pen pen, Brush fill, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin, object tag)
{
PointF drawingPoint = new PointF();
int startIndex, endIndex;
GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
// Need to go up to (ItemsCount + unitsUnification) since the size of the step is (unitsUnification).
for (int i = startIndex + unitsUnification - 1; i < endIndex && i < ItemsCount + unitsUnification; i += unitsUnification)
{
int actualIndex = i;
int actualPreviousIndex = Math.Max(0, i - unitsUnification);
if (actualIndex < 0 || actualIndex >= ItemsCount)
{// Cycle conditions are loose and this is possible.
continue;
}
switch (type)
{
case LinesChartSeries.ChartTypeEnum.ColoredArea:
DrawColorAreaItem(g, ref drawingPoint, pen, fill, actualIndex,
actualPreviousIndex, itemWidth, itemMargin, tag);
break;
case LinesChartSeries.ChartTypeEnum.Histogram:
DrawHistogramBar(g, ref drawingPoint, pen, fill, actualIndex,
actualPreviousIndex, itemWidth, itemMargin, unitsUnification, tag);
break;
case LinesChartSeries.ChartTypeEnum.Line:
{
float previousValue = GetDrawingValueAt(actualPreviousIndex, tag);
float value = GetDrawingValueAt(actualIndex, tag);
if (float.IsNaN(previousValue) == false && float.IsNaN(value) == false
&& float.IsInfinity(previousValue) == false && float.IsInfinity(value) == false)
{
g.DrawLine(pen, drawingPoint.X, drawingPoint.Y + previousValue, drawingPoint.X + itemMargin + itemWidth, drawingPoint.Y + value);
}
break;
}
default:
break;
}
drawingPoint.X = (i + 1) * (itemMargin + itemWidth);
}
}
void DrawSelection(GraphicsWrapper g)
{
if (CurrentSelectionRectangle.HasValue == false)
{
return;
}
RectangleF selectionRectangle = CurrentSelectionRectangle.Value;
if (selectionRectangle.Width > 0 && selectionRectangle.Height > 0 &&
_lastDrawingSpaceMouseRightButtonPosition.HasValue && _currentDrawingSpaceMousePosition.HasValue)
{
if (_selectionPen != null)
{
g.DrawRectangle(_selectionPen, selectionRectangle.X, selectionRectangle.Y, selectionRectangle.Width, selectionRectangle.Height);
}
if (_selectionFill != null)
{
g.FillRectangle(_selectionFill, selectionRectangle);
}
}
}
void DrawDrawingSpace(GraphicsWrapper g)
{
RectangleF drawingSpaceClipping = _actualDrawingSpaceArea;
drawingSpaceClipping.X -= _seriesItemMargin + _seriesItemWidth;
drawingSpaceClipping.Y -= _seriesItemMargin + _seriesItemWidth;
drawingSpaceClipping.Width += 2 * (_seriesItemMargin + _seriesItemWidth);
drawingSpaceClipping.Height += 2 * (_seriesItemMargin + _seriesItemWidth);
drawingSpaceClipping = GraphicsWrapper.ActualSpaceToDrawingSpace(drawingSpaceClipping);
//drawingSpaceClipping.Y = DrawingSpace.Y - 10;
//drawingSpaceClipping.Height = DrawingSpace.Height + 10;
// Grid.
_drawingSpaceGrid.Draw(g, drawingSpaceClipping, _drawingSpace, _seriesItemMargin + _seriesItemWidth);
// Show clipping rectangle.
if (ShowClippingRectangle)
{
Pen clippingRectanglePen = (Pen)Pens.DarkGray.Clone();
clippingRectanglePen.DashStyle = DashStyle.Dash;
g.DrawRectangle(clippingRectanglePen, drawingSpaceClipping.X, drawingSpaceClipping.Y, drawingSpaceClipping.Width, drawingSpaceClipping.Height);
}
// Draw custom objects - pre series.
_customObjectsManager.Draw(g, drawingSpaceClipping, CustomObject.DrawingOrderEnum.PreSeries);
// Series.
foreach (ChartSeries series in _series)
{
series.Draw(this, g, CurrentUnitUnification, drawingSpaceClipping, _seriesItemWidth, _seriesItemMargin);
}
// Draw custom objects - post series.
_customObjectsManager.Draw(g, drawingSpaceClipping, CustomObject.DrawingOrderEnum.PostSeries);
}
/// <summary>
/// Override this routine, to add the price labels at the space outside of the current drawing pane.
/// </summary>
/// <param name="managingPane"></param>
/// <param name="g"></param>
public override void DrawInitialActualSpaceOverlays(ChartPane managingPane, GraphicsWrapper g)
{
base.DrawInitialActualSpaceOverlays(managingPane, g);
if (_dataProvider == null || _dataProvider.OperationalState != OperationalStateEnum.Operational)
{
return;
}
decimal? ask = _dataProvider.Quotes.Ask;
decimal? bid = _dataProvider.Quotes.Bid;
if (ask.HasValue == false
|| bid.HasValue == false)
{
return;
}
// Measure based on a default format of 6 symbols.
SizeF size = g.MeasureString("00.0000", managingPane.LabelsFont);
Brush fillBrush = managingPane.LabelsFill;
if (fillBrush == null)
{
fillBrush = managingPane.ActualDrawingSpaceAreaFill;
}
if (_showCurrentAskLine)
{
PointF position = managingPane.GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(0, (float)_dataProvider.Quotes.Ask), true);
position.X = managingPane.Width - managingPane.ActualDrawingSpaceAreaMarginRight;
position.Y -= size.Height;
if (fillBrush != null)
{
g.FillRectangle(fillBrush, new RectangleF(position.X, position.Y, size.Width, size.Height));
}
if (managingPane.LabelsFont != null && managingPane.LabelsFontBrush != null)
{
g.DrawString(ask.Value.ToString(_dataProvider.SessionInfo.ValueFormat), managingPane.LabelsFont, managingPane.LabelsFontBrush, position);
g.DrawRectangle(managingPane.ActualDrawingSpaceAreaBorderPen, new RectangleF(position.X, position.Y, size.Width/* - 2*/, size.Height));
}
}
if (_showCurrentBidLine)
{
PointF position = managingPane.GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(0, (float)_dataProvider.Quotes.Bid), true);
position.X = managingPane.Width - managingPane.ActualDrawingSpaceAreaMarginRight;
if (fillBrush != null)
{
g.FillRectangle(fillBrush, new RectangleF(position.X, position.Y, size.Width, size.Height));
}
if (managingPane.LabelsFont != null && managingPane.LabelsFontBrush != null)
{
g.DrawString(bid.Value.ToString(_dataProvider.SessionInfo.ValueFormat), managingPane.LabelsFont, managingPane.LabelsFontBrush, position);
g.DrawRectangle(managingPane.ActualDrawingSpaceAreaBorderPen, new RectangleF(position.X, position.Y, size.Width/* - 2*/, size.Height));
}
}
}
void DrawOrder(GraphicsWrapper g, ref PointF updatedImageDrawingPoint, Order order, float itemWidth, float itemMargin,
float yToXScaling, DataBar orderBarData, float lastBarX, bool drawOpening)
{
Image image = _imageUp;
Brush brush = Brushes.Green;
Pen dashedPen = _buyDashedPen;
Pen pen = Pens.GreenYellow;
if (order.IsBuy == false)
{
image = _imageDown;
brush = Brushes.Red;
pen = Pens.Red;
dashedPen = _sellDashedPen;
}
if (drawOpening == false)
{
image = _imageCross;
}
if (order.OpenPrice.HasValue == false)
{
SystemMonitor.OperationError("Order with no open price assigned for drawing.", TracerItem.PriorityEnum.Low);
return;
}
float price = (float)order.OpenPrice.Value;
if (drawOpening == false)
{
if (order.ClosePrice.HasValue == false)
{
return;
}
price = (float)order.ClosePrice.Value;
}
if (drawOpening && _showPendingOrdersTracing &&
(order is ActiveOrder && order.State == OrderStateEnum.Executed)
&& _dataProvider.Quotes.Bid.HasValue
&& _dataProvider.Quotes.Ask.HasValue)
{// Open orders tracking line.
PointF point1 = new PointF(updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + price);
float sellPrice = (float)_dataProvider.Quotes.Bid;
if (order.IsBuy == false)
{
sellPrice = (float)_dataProvider.Quotes.Ask;
}
PointF point2 = new PointF(lastBarX - itemWidth / 2f, updatedImageDrawingPoint.Y + sellPrice);
g.DrawLine(dashedPen, point1, point2);
}
//if (drawOpening && _showClosedOrdersTracing && order.IsOpen == false)
//{// Closed order tracking.
// Close order tracing is implemented in main draw function.
//}
if (_showOrderSpot)
{
PointF basePoint = new PointF(updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + price);
float height = (yToXScaling * itemWidth);
if (order.IsBuy == false)
{
height = -height;
}
if (drawOpening)
{
g.FillPolygon(brush, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
g.DrawPolygon(Pens.White, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
float drawToLeft = (float)(1.5 * itemWidth);
float drawToRight = (float)(2.5 * itemWidth);
// Take profit level.
if (order.TakeProfit.HasValue
&& order.TakeProfit.Value != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X - drawToLeft, updatedImageDrawingPoint.Y + (float)order.TakeProfit,
updatedImageDrawingPoint.X + drawToRight, updatedImageDrawingPoint.Y + (float)order.TakeProfit);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.TakeProfit,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.TakeProfit - height);
}
// Stop loss level.
if (order.StopLoss.HasValue
&& order.StopLoss.Value != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X - drawToLeft, updatedImageDrawingPoint.Y + (float)order.StopLoss,
updatedImageDrawingPoint.X + drawToRight, updatedImageDrawingPoint.Y + (float)order.StopLoss);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.StopLoss,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.StopLoss + height);
}
}
else
{
g.DrawRectangle(Pens.White, basePoint.X, basePoint.Y,
itemWidth, yToXScaling * itemWidth);
}
}
float imageHeight = 2 * (yToXScaling * itemWidth);
if (_showOrderArrow)
{
float x = updatedImageDrawingPoint.X - (itemWidth / 2f);
float y = updatedImageDrawingPoint.Y + (float)orderBarData.Low - (yToXScaling * itemWidth);
float width = 2 * itemWidth;
float height = -imageHeight;
GraphicsWrapper.NormalizedRectangle(ref x, ref y, ref width, ref height);
RectangleF rectange = new RectangleF(x, y, width, height);
// Draw up image.
g.DrawImage(image, rectange.X, rectange.Y, rectange.Width, rectange.Height);
if (order == _selectedOrder)
{// This is selected order.
g.DrawRectangle(Pens.White, rectange);
}
_ordersArrows[order] = rectange;
updatedImageDrawingPoint.Y -= 1.2f * imageHeight;
}
}
/// <summary> /// /// </summary> /// <param name="g"></param> /// <param name="unitsUnification">Draw a few units as one. Used when zooming is too big to show each unit - so unify them. 1 means no unification, 10 means unify 10 units together</param> /// <param name="clippingRectangle"></param> /// <param name="itemWidth"></param> /// <param name="itemMargin"></param> public abstract void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification, RectangleF clippingRectangle, float itemWidth, float itemMargin);
public override void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle)
{
foreach (string name in _outputResultSetsPens.Keys)
{
base.DrawIcon(g, _outputResultSetsPens[name], Brushes.White, rectangle);
return;
}
// If none are available, draw a simple black and white icon.
base.DrawIcon(g, Pens.White, Brushes.Black, rectangle);
}
/// <summary>
/// Override this routine, to add the price labels at the space outside of the current drawing pane.
/// </summary>
/// <param name="managingPane"></param>
/// <param name="g"></param>
public override void DrawInitialActualSpaceOverlays(ChartPane managingPane, GraphicsWrapper g)
{
base.DrawInitialActualSpaceOverlays(managingPane, g);
if (_dataProvider == null || _dataProvider.OperationalState != OperationalStateEnum.Operational)
{
return;
}
decimal?ask = _dataProvider.Quotes.Ask;
decimal?bid = _dataProvider.Quotes.Bid;
if (ask.HasValue == false ||
bid.HasValue == false)
{
return;
}
// Measure based on a default format of 6 symbols.
SizeF size = g.MeasureString("00.0000", managingPane.LabelsFont);
Brush fillBrush = managingPane.LabelsFill;
if (fillBrush == null)
{
fillBrush = managingPane.ActualDrawingSpaceAreaFill;
}
if (_showCurrentAskLine)
{
PointF position = managingPane.GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(0, (float)_dataProvider.Quotes.Ask), true);
position.X = managingPane.Width - managingPane.ActualDrawingSpaceAreaMarginRight;
position.Y -= size.Height;
if (fillBrush != null)
{
g.FillRectangle(fillBrush, new RectangleF(position.X, position.Y, size.Width, size.Height));
}
if (managingPane.LabelsFont != null && managingPane.LabelsFontBrush != null)
{
g.DrawString(ask.Value.ToString(_dataProvider.SessionInfo.ValueFormat), managingPane.LabelsFont, managingPane.LabelsFontBrush, position);
g.DrawRectangle(managingPane.ActualDrawingSpaceAreaBorderPen, new RectangleF(position.X, position.Y, size.Width /* - 2*/, size.Height));
}
}
if (_showCurrentBidLine)
{
PointF position = managingPane.GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(0, (float)_dataProvider.Quotes.Bid), true);
position.X = managingPane.Width - managingPane.ActualDrawingSpaceAreaMarginRight;
if (fillBrush != null)
{
g.FillRectangle(fillBrush, new RectangleF(position.X, position.Y, size.Width, size.Height));
}
if (managingPane.LabelsFont != null && managingPane.LabelsFontBrush != null)
{
g.DrawString(bid.Value.ToString(_dataProvider.SessionInfo.ValueFormat), managingPane.LabelsFont, managingPane.LabelsFontBrush, position);
g.DrawRectangle(managingPane.ActualDrawingSpaceAreaBorderPen, new RectangleF(position.X, position.Y, size.Width /* - 2*/, size.Height));
}
}
}
public override void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle)
{
base.DrawIcon(g, _defaultPen, _defaultFill, rectangle);
}
public abstract void Draw(GraphicsWrapper g, PointF?mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace);
/// <summary>
/// Initial part of drawing, called by Draw().
/// Method takes care of setting up the basic drawing parameters of the chart, required for the drawing
/// to be done; also draws the system overlays.
/// </summary>
protected virtual void DrawInitialActualSpaceOverlays(GraphicsWrapper g, TimeBasedChartSeries timeBasedSeries)
{
// Since this is dependant on current graphics scaling, also recalculate it here now.
UpdateYAxisSpacings();
CalculateActualDrawingSpaceAreaMarginTopAndBottom();
if (XAxisLabels)
{// X Axis Labels
float totalItemWidth = _seriesItemWidth + _seriesItemMargin;
float actualXSpacing = _xAxisLabelSpacing * totalItemWidth;
// Consider X axis label scaling.
int xScaling = Math.Abs((int)(1 / _graphicsWrapper.DrawingSpaceTransformClone.Elements[0]));
if (xScaling > 1)
{
actualXSpacing = actualXSpacing * xScaling;
}
// Set starting to the closes compatible positionactualXSpacing
// TODO : this can be optimized further by narrowing the range of xStart to end
float xStart = (int)(_drawingSpaceDisplayLimit.X / actualXSpacing);
xStart = xStart * actualXSpacing;
SizeF xAxisLabelTypicalSize = g.MeasureString("00/00/000 00:00", _axisLabelsFont);
for (float i = xStart; i < _drawingSpaceDisplayLimit.X + _drawingSpaceDisplayLimit.Width; i += actualXSpacing)
{
PointF point = GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(i, 0), true);
if (point.X > (_actualDrawingSpaceArea.X - 2)
&& point.X < (_actualDrawingSpaceArea.X + _actualDrawingSpaceArea.Width + 2 - xAxisLabelTypicalSize.Width))
{
int index = (int)(i / totalItemWidth);
string message = string.Empty;
if (timeBasedSeries != null)
{// If there is a leading dateAssignedSeries show labels based on its timing.
if (index < timeBasedSeries.ItemsCount)
{
message = GeneralHelper.GetShortDateTime(timeBasedSeries.GetTimeAtIndex(index));
}
}
else
{
message = index.ToString(_xAxisLabelsFormat);
}
if (_axisLabelsFont != null && _xAxisLabelsFontBrush != null)
{
g.DrawString(message, _axisLabelsFont, _xAxisLabelsFontBrush, point.X, _actualDrawingSpaceArea.Y + _actualDrawingSpaceArea.Height);
}
// Draw the small line indicating where the string applies for.
g.DrawLine(_actualDrawingSpaceAreaBorderPen, point.X, _actualDrawingSpaceArea.Y + _actualDrawingSpaceArea.Height, point.X, _actualDrawingSpaceArea.Y + _actualDrawingSpaceArea.Height + 5);
}
}
} // X Axis Labels.
_actualDrawingSpaceAreaMarginLeft = _additionalDrawingSpaceAreaMarginLeft + 5;
_actualDrawingSpaceAreaMarginRight = _additionalDrawingSpaceAreaMarginRight + 5;
if (YAxisLabels)
{// Y Axis Labels.
int yAxisLabelsWidth = 0;
// Set starting to the closes compatible positionactualYSpacing
int maxDecimalPlaces = _autoYAxisLabelSpacing.ToString().Length - 1;
float yStart = (int)(_drawingSpaceDisplayLimit.Y / _autoYAxisLabelSpacing);
yStart = yStart * _autoYAxisLabelSpacing;
// Round off to a fixed number of post decimal point digits, will only work for values under 1
yStart = (float)Math.Round(yStart, maxDecimalPlaces);
// This must auto adjust to format the number properly and always fit in 6 spaces.
// Specify positive, negative and zero formats.
//_yAxisLabelsFormat = " #0.###;-#0.###; Zero";
int separatorPosition = _yAxisLabelsFormat.IndexOf(";", 0) - 1;
// The default is 6 positions total for the y axis labels.
yAxisLabelsWidth = ((int)g.MeasureString(_yAxisLabelsFormat.Substring(0, separatorPosition), _axisLabelsFont).Width);
// Calculate the current margin and confirm with any controling subscriber.
int labelSpacingMargin = yAxisLabelsWidth;
if (_yAxisLabelsPosition == YAxisLabelPosition.Left ||
_yAxisLabelsPosition == YAxisLabelPosition.Both)
{
_actualDrawingSpaceAreaMarginLeft += labelSpacingMargin;
}
if (_yAxisLabelsPosition == YAxisLabelPosition.Right ||
_yAxisLabelsPosition == YAxisLabelPosition.Both)
{
_actualDrawingSpaceAreaMarginRight += labelSpacingMargin;
}
if (_yAxisLabelsPosition != YAxisLabelPosition.None)
{
// A maximum of 10000 steps allowed for this drawing, otherwise some bug is probably present.
if ((_drawingSpaceDisplayLimit.Y + _drawingSpaceDisplayLimit.Height - yStart) / _autoYAxisLabelSpacing < 10000)
{
// Pass 2 - actually draw the labels and label lines at the established and confirmed location.
for (float i = yStart; i < _drawingSpaceDisplayLimit.Y + _drawingSpaceDisplayLimit.Height; i += _autoYAxisLabelSpacing)
{
float iRound = (float)Math.Round(i, maxDecimalPlaces);
PointF point = GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(0, iRound), true);
if (point.Y <= _actualDrawingSpaceArea.Y - 5 ||
point.Y >= _actualDrawingSpaceArea.Y + _actualDrawingSpaceArea.Height)
{
continue;
}
// Draw labels on the left.
if (_yAxisLabelsPosition == YAxisLabelPosition.Left || _yAxisLabelsPosition == YAxisLabelPosition.Both)
{
if (_axisLabelsFont != null && _yAxisLabelsFontBrush != null)
{
g.DrawString((iRound).ToString(_yAxisLabelsFormat), _axisLabelsFont, _yAxisLabelsFontBrush, _actualDrawingSpaceAreaMarginLeft - yAxisLabelsWidth - 3, point.Y);
}
// Draw the small line indicating where the string applies for.
g.DrawLine(_actualDrawingSpaceAreaBorderPen, _actualDrawingSpaceAreaMarginLeft - 5, point.Y, _actualDrawingSpaceAreaMarginLeft, point.Y);
}
// Draw labels on the right.
if (_yAxisLabelsPosition == YAxisLabelPosition.Right || _yAxisLabelsPosition == YAxisLabelPosition.Both)
{
if (_axisLabelsFont != null && _yAxisLabelsFontBrush != null)
{
g.DrawString((iRound).ToString(_yAxisLabelsFormat), _axisLabelsFont, _yAxisLabelsFontBrush,
this.Width - yAxisLabelsWidth - 3, point.Y);
}
if (point.Y >= _actualDrawingSpaceArea.Y)
{
// Draw the small line indicating where the string applies for.
g.DrawLine(_actualDrawingSpaceAreaBorderPen,
this.Width - yAxisLabelsWidth - 6, point.Y,
this.Width - yAxisLabelsWidth - 3, point.Y);
}
}
}
}
else
{
SystemMonitor.OperationError("Too many steps in drawing planned.");
}
}
}
foreach (ChartSeries series in _series)
{
series.DrawInitialActualSpaceOverlays(this, g);
}
UpdateActualDrawingSpaceArea();
// Actual space, drawing area, grid.
_actualSpaceGrid.Draw(g, _actualDrawingSpaceArea, _actualDrawingSpaceArea, 1);
if (ShowSeriesLabels)
{
DrawGraphicSeriesLabels(g, _actualDrawingSpaceArea.Left);
}
// Show
if (_customObjectsManager.IsBuildingObject)
{
g.DrawImageUnscaledAndClipped(_customObjectDrawingImage, new Rectangle(4, (int)LabelsTopMargin, _customObjectDrawingImage.Width, _customObjectDrawingImage.Height));
}
}
public override void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle)
{
base.DrawIcon(g, _defaultPen, _defaultFill, rectangle);
}
protected virtual void DrawGraphicSeriesLabels(GraphicsWrapper g, int initialMarginLeft)
{
_currentLabelsRectangles = new Rectangle[_series.Count];
for (int i = 0; i < _series.Count; i++)
{
if (i == 0)
{
_currentLabelsRectangles[0].X = initialMarginLeft;
}
else
{
_currentLabelsRectangles[i].X = _currentLabelsRectangles[i - 1].Right + (int)_labelsMargin;
}
_currentLabelsRectangles[i].Y = (int)_labelsTopMargin;
SizeF seriesSize = g.MeasureString(_series[i].Name, _labelsFont);
_currentLabelsRectangles[i].Size = new Size((int)seriesSize.Width, (int)seriesSize.Height);
int iconWidth = 18;
// Add space for series icon
_currentLabelsRectangles[i].Width += iconWidth;
if (_labelsFill != null)
{
g.FillRectangle(_labelsFill, _currentLabelsRectangles[i]);
}
if (_labelsFont != null)
{
g.DrawString(_series[i].Name, _labelsFont, _labelsFontBrush, _currentLabelsRectangles[i].X + iconWidth, _currentLabelsRectangles[i].Y);
}
_series[i].DrawSeriesIcon(g, new Rectangle(_currentLabelsRectangles[i].X + 2, _currentLabelsRectangles[i].Y + 2, 14, _currentLabelsRectangles[i].Height - 4));
}
}
/// <summary>
/// Allows the chart series to render information on the external overlaying part of the chart pane.
/// </summary>
/// <param name="g"></param>
/// <param name="clippingRectangle">Rectangle describing the entire drawing area.</param>
public virtual void DrawInitialActualSpaceOverlays(ChartPane managingPane, GraphicsWrapper g)
{
}
void DrawHistogramBar(GraphicsWrapper g, ref PointF drawingPoint, Pen pen, Brush fill,
int index, int previousItemIndex, float itemWidth, float itemMargin, int unitsUnification, object tag)
{
float y = drawingPoint.Y;
float height = 0;
if (unitsUnification > 1)
{
double heightSum = 0;
int actualSumCount = 0;
for (int i = previousItemIndex; i <= index; i++)
{
float value = GetDrawingValueAt(i, tag);
if (float.IsNaN(value)
|| float.IsInfinity(value))
{
continue;
}
heightSum += value;
actualSumCount++;
}
if (actualSumCount == 0)
{
return;
}
height = (float)(heightSum / actualSumCount);
}
else
{
height = GetDrawingValueAt(index, tag);
}
if (height < 0)
{
y += height;
height = -height;
}
if (fill != null)
{
g.FillRectangle(fill, drawingPoint.X, y, (itemWidth) * unitsUnification, height);
}
}
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification, RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
if (this.Visible == false || Indicator == null)
{
return;
}
lock (Indicator.Results)
{
foreach (string name in Indicator.Results.SetsNamesUnsafe)
{
LinesChartSeries.ChartTypeEnum? chartType = Indicator.Results.GetResultSetChartType(name);
if (chartType.HasValue == false)
{// No specific value assigned means go for default.
chartType = DefaultChartType;
}
base.DrawItemSet(chartType.Value, g, _outputResultSetsPens[name], _defaultBrush,
unitsUnification, clippingRectangle, itemWidth, itemMargin, name);
}
}
foreach(string name in Indicator.Parameters.DynamicNames)
{// Render fixed lines.
if (name.Contains(FixedLinePrefix))
{
object value = Indicator.Parameters.GetDynamic(name);
if (value == null)
{
continue;
}
float floatValue = Convert.ToSingle(value);
int dashMove = 0;// ((int)x % DashSize);
g.DrawLine(_defaultDashedPen, clippingRectangle.X + dashMove, floatValue, clippingRectangle.X + clippingRectangle.Width, floatValue);
}
}
}
/// <summary>
/// Main drawing routine.
/// </summary>
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
//TracerHelper.Trace(TracerHelper.GetCallingMethod(2).Name);
if (Visible == false)
{
return;
}
if (_dataProvider == null)
{
return;
}
IDataBarHistoryProvider dataBarProvider = CurrentDataBarProvider;
if (dataBarProvider == null)
{
return;
}
lock (dataBarProvider)
{
base.Draw(g, dataBarProvider.BarsUnsafe, unitsUnification, clippingRectangle, itemWidth, itemMargin, _maxVolume, null);
}
// Draw ask/bid line.
if (_dataProvider.OperationalState == CommonSupport.OperationalStateEnum.Operational && _dataProvider.Quotes != null &&
_dataProvider.Quotes.Bid.HasValue && _dataProvider.Quotes.Ask.HasValue)
{
if (_showCurrentAskLine)
{
float price = (float)_dataProvider.Quotes.Ask;
g.DrawLine(_priceLevelPen, clippingRectangle.X, price, clippingRectangle.X + clippingRectangle.Width, price);
}
if (_showCurrentBidLine)
{
float price = (float)_dataProvider.Quotes.Bid;
g.DrawLine(_priceLevelPen, clippingRectangle.X, price, clippingRectangle.X + clippingRectangle.Width, price);
}
}
List <Order> ordersOpening;
// Draw orders locations on chart.
lock (this)
{
if (_orderExecutionProvider == null)
{
return;
}
}
// Render orders.
ordersOpening = new List <Order>();
ITradeEntityManagement history = _orderExecutionProvider.TradeEntities;
if (history != null && _dataProvider != null)
{
lock (history)
{
ordersOpening.AddRange(history.GetOrdersBySymbol(_dataProvider.SessionInfo.Symbol));
}
}
// Use for orders closes.
List <Order> ordersClosing = new List <Order>();
foreach (Order order in ordersOpening)
{
if (order.State == OrderStateEnum.Closed)
{// Only add orders already closed.
ordersClosing.Add(order);
}
}
// This is used later on, since ordersClosing is modified.
List <Order> ordersClosed = new List <Order>(ordersClosing);
// TradeEntities opening at current bar.
List <Order> pendingOpeningOrders = new List <Order>();
// Order closing at current bar.
List <Order> pendingClosingOrders = new List <Order>();
PointF drawingPoint = new PointF();
int startIndex, endIndex;
GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
lock (dataBarProvider)
{
float lastBarX = (itemMargin + itemWidth) * dataBarProvider.BarCount;
for (int i = startIndex; i < endIndex && i < dataBarProvider.BarCount &&
(ordersOpening.Count > 0 || ordersClosing.Count > 0); i++)
{ // Foreach bar, draw orders (and closeVolume).
while (ordersOpening.Count > 0)
{ // All orders before now.
if (ordersOpening[0].OpenTime < (dataBarProvider.BarsUnsafe[i].DateTime - Period))
{ // Order before time period.
if ((ordersOpening[0].State == OrderStateEnum.Executed /*||
* ordersOpening[0].State == OrderInformation.OrderStateEnum.Submitted*/) &&
_showPendingOrdersTracing)
{// Since it is an open pending order, we shall also need to draw it as well.
pendingOpeningOrders.Add(ordersOpening[0]);
}
ordersOpening.RemoveAt(0);
continue;
}
if (ordersOpening[0].OpenTime > dataBarProvider.BarsUnsafe[i].DateTime)
{// Order after time period - look no further.
break;
}
// Order open is within the current period.
// Only if order is part of the current period - add to pending.
pendingOpeningOrders.Add(ordersOpening[0]);
ordersOpening.RemoveAt(0);
}
for (int j = ordersClosing.Count - 1; j >= 0; j--)
{
if (ordersClosing[j].CloseTime >= (dataBarProvider.BarsUnsafe[i].DateTime - dataBarProvider.Period) &&
ordersClosing[j].CloseTime <= dataBarProvider.BarsUnsafe[i].DateTime)
{// Order close is within the current period.
pendingClosingOrders.Add(ordersClosing[j]);
ordersClosing.RemoveAt(j);
}
}
drawingPoint.X = i * (itemMargin + itemWidth);
DrawOrders(g, i, drawingPoint, itemWidth, itemMargin, pendingOpeningOrders, pendingClosingOrders, dataBarProvider.BarsUnsafe[i], lastBarX);
pendingOpeningOrders.Clear();
pendingClosingOrders.Clear();
}
if (_showClosedOrdersTracing && dataBarProvider.BarCount > 0 && startIndex < dataBarProvider.BarCount)
{// Since a closed order may be before or after (or during) the curren set of periods - make a special search and render for them.
endIndex = Math.Max(0, endIndex);
endIndex = Math.Min(dataBarProvider.BarCount - 1, endIndex);
foreach (Order order in ordersClosed)
{
if (order.OpenTime.HasValue &&
order.CloseTime.HasValue &&
order.OpenTime.Value <= dataBarProvider.BarsUnsafe[endIndex].DateTime &&
order.CloseTime.Value >= dataBarProvider.BarsUnsafe[startIndex].DateTime - dataBarProvider.Period)
{
int openIndex = dataBarProvider.GetIndexAtTime(order.OpenTime.Value);
int closeIndex = dataBarProvider.GetIndexAtTime(order.CloseTime.Value);
Pen pen = _buyDashedPen;
if (order.IsBuy == false)
{
pen = _sellDashedPen;
}
Decimal?doubleOpenValue = order.OpenPrice;
Decimal?doubleCloseValue = order.ClosePrice;
if (doubleOpenValue.HasValue == false)
{
SystemMonitor.Error("Invalid open price value for closed order to draw.");
continue;
}
if (doubleCloseValue.HasValue == false)
{
SystemMonitor.Error("Invalid close price value for closed order to draw.");
continue;
}
g.DrawLine(pen, new PointF(openIndex * (itemWidth + itemMargin), (float)doubleOpenValue),
new PointF(closeIndex * (itemWidth + itemMargin), (float)doubleCloseValue));
}
}
}
} // Lock
}
/// <summary> /// /// </summary> public abstract void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle);
void DrawOrder(GraphicsWrapper g, ref PointF updatedImageDrawingPoint, Order order, float itemWidth, float itemMargin,
float yToXScaling, DataBar orderBarData, float lastBarX, bool drawOpening)
{
Image image = _imageUp;
Brush brush = Brushes.Green;
Pen dashedPen = _buyDashedPen;
Pen pen = Pens.GreenYellow;
if (order.IsBuy == false)
{
image = _imageDown;
brush = Brushes.Red;
pen = Pens.Red;
dashedPen = _sellDashedPen;
}
if (drawOpening == false)
{
image = _imageCross;
}
if (order.OpenPrice.HasValue == false)
{
SystemMonitor.OperationError("Order with no open price assigned for drawing.", TracerItem.PriorityEnum.Low);
return;
}
float price = (float)order.OpenPrice.Value;
if (drawOpening == false)
{
if (order.ClosePrice.HasValue == false)
{
return;
}
price = (float)order.ClosePrice.Value;
}
if (drawOpening && _showPendingOrdersTracing &&
(order is ActiveOrder && order.State == OrderStateEnum.Executed) &&
_dataProvider.Quotes.Bid.HasValue &&
_dataProvider.Quotes.Ask.HasValue)
{// Open orders tracking line.
PointF point1 = new PointF(updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + price);
float sellPrice = (float)_dataProvider.Quotes.Bid;
if (order.IsBuy == false)
{
sellPrice = (float)_dataProvider.Quotes.Ask;
}
PointF point2 = new PointF(lastBarX - itemWidth / 2f, updatedImageDrawingPoint.Y + sellPrice);
g.DrawLine(dashedPen, point1, point2);
}
//if (drawOpening && _showClosedOrdersTracing && order.IsOpen == false)
//{// Closed order tracking.
// Close order tracing is implemented in main draw function.
//}
if (_showOrderSpot)
{
PointF basePoint = new PointF(updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + price);
float height = (yToXScaling * itemWidth);
if (order.IsBuy == false)
{
height = -height;
}
if (drawOpening)
{
g.FillPolygon(brush, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
g.DrawPolygon(Pens.White, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
float drawToLeft = (float)(1.5 * itemWidth);
float drawToRight = (float)(2.5 * itemWidth);
// Take profit level.
if (order.TakeProfit.HasValue &&
order.TakeProfit.Value != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X - drawToLeft, updatedImageDrawingPoint.Y + (float)order.TakeProfit,
updatedImageDrawingPoint.X + drawToRight, updatedImageDrawingPoint.Y + (float)order.TakeProfit);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.TakeProfit,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.TakeProfit - height);
}
// Stop loss level.
if (order.StopLoss.HasValue &&
order.StopLoss.Value != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X - drawToLeft, updatedImageDrawingPoint.Y + (float)order.StopLoss,
updatedImageDrawingPoint.X + drawToRight, updatedImageDrawingPoint.Y + (float)order.StopLoss);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.StopLoss,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.StopLoss + height);
}
}
else
{
g.DrawRectangle(Pens.White, basePoint.X, basePoint.Y,
itemWidth, yToXScaling * itemWidth);
}
}
float imageHeight = 2 * (yToXScaling * itemWidth);
if (_showOrderArrow)
{
float x = updatedImageDrawingPoint.X - (itemWidth / 2f);
float y = updatedImageDrawingPoint.Y + (float)orderBarData.Low - (yToXScaling * itemWidth);
float width = 2 * itemWidth;
float height = -imageHeight;
GraphicsWrapper.NormalizedRectangle(ref x, ref y, ref width, ref height);
RectangleF rectange = new RectangleF(x, y, width, height);
// Draw up image.
g.DrawImage(image, rectange.X, rectange.Y, rectange.Width, rectange.Height);
if (order == _selectedOrder)
{// This is selected order.
g.DrawRectangle(Pens.White, rectange);
}
_ordersArrows[order] = rectange;
updatedImageDrawingPoint.Y -= 1.2f * imageHeight;
}
}
/// <summary> /// /// </summary> /// <param name="g"></param> /// <param name="unitsUnification">Draw a few units as one. Used when zooming is too big to show each unit - so unify them. 1 means no unification, 10 means unify 10 units together</param> /// <param name="clippingRectangle"></param> /// <param name="itemWidth"></param> /// <param name="itemMargin"></param> public abstract void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification, RectangleF clippingRectangle, float itemWidth, float itemMargin);
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
if (this.Visible == false)
{
return;
}
lock (this)
{
for (int i = 0; i < _valueSets.Count; i++)
{
Pen pen = _defaultPen;
if (_valueSetsPens[i] == null)
{
pen = _valueSetsPens[i];
}
base.DrawItemSet(_chartType, g, pen, _defaultFill, unitsUnification, clippingRectangle, itemWidth, itemMargin, _valueSets[i]);
}
} // Lock
}
/// <summary>
/// This is a chance for the Series to draw custom messages on the given location (typically top left corner).
/// The result must be the next valid drawing point down (how much space was used for drawing by current series).
/// </summary>
public virtual PointF DrawCustomMessages(ChartPane managingPane, GraphicsWrapper g, PointF drawingLocation)
{
if (Visible == false)
{
return drawingLocation;
}
foreach (KeyValuePair<string, Color> pair in CustomMessages)
{
Brush brush = managingPane.TitleFontBrush;
if (pair.Value.IsEmpty == false)
{
brush = new SolidBrush(pair.Value);
}
Font font = managingPane.TitleFont;
if (CustomMessagesFont != null)
{
font = CustomMessagesFont;
}
drawingLocation = DrawCustomMessage(g, font, brush, pair.Key, drawingLocation);
}
return drawingLocation;
}
public override void Draw(GraphicsWrapper g, PointF?mousePosition, RectangleF clippingRectangle, RectangleF drawingSpace)
{
if (Visible == false)
{
return;
}
if (_controlPoints.Count < 1)
{
return;
}
PointF point1 = _controlPoints[0];
PointF point2;
if (mousePosition.HasValue)
{
point2 = mousePosition.Value;
}
else
{
point2 = point1;
}
if (_controlPoints.Count == 2)
{
point2 = _controlPoints[1];
}
// Clipping opitmization.
RectangleF rectangle = new RectangleF(
Math.Min(point1.X, point2.X), Math.Min(point1.Y, point2.Y),
Math.Abs(point2.X - point1.X), Math.Abs(point2.Y - point1.Y));
if (rectangle.IntersectsWith(clippingRectangle) == false)
{
return;
}
SimpleLine line = new SimpleLine(point1, point2);
PointF vec = new PointF(line.XDelta, line.YDelta);
vec = g.DrawingSpaceToActualSpace(vec, false);
vec = new PointF(vec.Y, vec.X);
// Rotate
PointF vec1 = SimpleLine.RotatePoint(vec, -(float)Math.PI / 2 + 0.3f);
PointF vec2 = SimpleLine.RotatePoint(vec, -(float)Math.PI / 2 - 0.3f);
// Scale
vec1 = new PointF(vec1.X * 0.35f, vec1.Y * 0.35f);
vec2 = new PointF(vec2.X * 0.35f, vec2.Y * 0.35f);
vec1 = g.ActualSpaceToDrawingSpace(vec1, false);
vec2 = g.ActualSpaceToDrawingSpace(vec2, false);
g.DrawLine(_pen, point1, point2);
g.FillPolygon(_brush, new PointF[] { point2, new PointF(point2.X + vec1.X, point2.Y + vec1.Y),
new PointF(point2.X + vec2.X, point2.Y + vec2.Y) });
if (Selected)
{
DrawControlPoints(g);
}
}
/// <summary>
/// Allows the chart series to render information on the external overlaying part of the chart pane.
/// </summary>
/// <param name="g"></param>
/// <param name="clippingRectangle">Rectangle describing the entire drawing area.</param>
public virtual void DrawInitialActualSpaceOverlays(ChartPane managingPane, GraphicsWrapper g)
{
}
public override void DrawInitialActualSpaceOverlays(ChartPane managingPane, GraphicsWrapper g)
{
base.DrawInitialActualSpaceOverlays(managingPane, g);
}
/// <summary> /// /// </summary> public abstract void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle);
/// <summary>
/// Main drawing routine.
/// </summary>
public override void Draw(ChartPane managingPane, GraphicsWrapper g, int unitsUnification,
RectangleF clippingRectangle, float itemWidth, float itemMargin)
{
//TracerHelper.Trace(TracerHelper.GetCallingMethod(2).Name);
if (Visible == false)
{
return;
}
if (_dataProvider == null)
{
return;
}
IDataBarHistoryProvider dataBarProvider = CurrentDataBarProvider;
if (dataBarProvider == null)
{
return;
}
lock (dataBarProvider)
{
base.Draw(g, dataBarProvider.BarsUnsafe, unitsUnification, clippingRectangle, itemWidth, itemMargin, _maxVolume, null);
}
// Draw ask/bid line.
if (_dataProvider.OperationalState == CommonSupport.OperationalStateEnum.Operational && _dataProvider.Quotes != null
&& _dataProvider.Quotes.Bid.HasValue && _dataProvider.Quotes.Ask.HasValue)
{
if (_showCurrentAskLine)
{
float price = (float)_dataProvider.Quotes.Ask;
g.DrawLine(_priceLevelPen, clippingRectangle.X, price, clippingRectangle.X + clippingRectangle.Width, price);
}
if (_showCurrentBidLine)
{
float price = (float)_dataProvider.Quotes.Bid;
g.DrawLine(_priceLevelPen, clippingRectangle.X, price, clippingRectangle.X + clippingRectangle.Width, price);
}
}
List<Order> ordersOpening;
// Draw orders locations on chart.
lock(this)
{
if (_orderExecutionProvider == null)
{
return;
}
}
// Render orders.
ordersOpening = new List<Order>();
ITradeEntityManagement history = _orderExecutionProvider.TradeEntities;
if (history != null && _dataProvider != null)
{
lock (history)
{
ordersOpening.AddRange(history.GetOrdersBySymbol(_dataProvider.SessionInfo.Symbol));
}
}
// Use for orders closes.
List<Order> ordersClosing = new List<Order>();
foreach (Order order in ordersOpening)
{
if (order.State == OrderStateEnum.Closed)
{// Only add orders already closed.
ordersClosing.Add(order);
}
}
// This is used later on, since ordersClosing is modified.
List<Order> ordersClosed = new List<Order>(ordersClosing);
// TradeEntities opening at current bar.
List<Order> pendingOpeningOrders = new List<Order>();
// Order closing at current bar.
List<Order> pendingClosingOrders = new List<Order>();
PointF drawingPoint = new PointF();
int startIndex, endIndex;
GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
lock (dataBarProvider)
{
float lastBarX = (itemMargin + itemWidth) * dataBarProvider.BarCount;
for (int i = startIndex; i < endIndex && i < dataBarProvider.BarCount
&& (ordersOpening.Count > 0 || ordersClosing.Count > 0); i++)
{// Foreach bar, draw orders (and closeVolume).
while (ordersOpening.Count > 0)
{// All orders before now.
if (ordersOpening[0].OpenTime < (dataBarProvider.BarsUnsafe[i].DateTime - Period))
{// Order before time period.
if ((ordersOpening[0].State == OrderStateEnum.Executed /*||
ordersOpening[0].State == OrderInformation.OrderStateEnum.Submitted*/)
&& _showPendingOrdersTracing)
{// Since it is an open pending order, we shall also need to draw it as well.
pendingOpeningOrders.Add(ordersOpening[0]);
}
ordersOpening.RemoveAt(0);
continue;
}
if (ordersOpening[0].OpenTime > dataBarProvider.BarsUnsafe[i].DateTime)
{// Order after time period - look no further.
break;
}
// Order open is within the current period.
// Only if order is part of the current period - add to pending.
pendingOpeningOrders.Add(ordersOpening[0]);
ordersOpening.RemoveAt(0);
}
for (int j = ordersClosing.Count - 1; j >= 0; j--)
{
if (ordersClosing[j].CloseTime >= (dataBarProvider.BarsUnsafe[i].DateTime - dataBarProvider.Period) &&
ordersClosing[j].CloseTime <= dataBarProvider.BarsUnsafe[i].DateTime)
{// Order close is within the current period.
pendingClosingOrders.Add(ordersClosing[j]);
ordersClosing.RemoveAt(j);
}
}
drawingPoint.X = i * (itemMargin + itemWidth);
DrawOrders(g, i, drawingPoint, itemWidth, itemMargin, pendingOpeningOrders, pendingClosingOrders, dataBarProvider.BarsUnsafe[i], lastBarX);
pendingOpeningOrders.Clear();
pendingClosingOrders.Clear();
}
if (_showClosedOrdersTracing && dataBarProvider.BarCount > 0 && startIndex < dataBarProvider.BarCount)
{// Since a closed order may be before or after (or during) the curren set of periods - make a special search and render for them.
endIndex = Math.Max(0, endIndex);
endIndex = Math.Min(dataBarProvider.BarCount - 1, endIndex);
foreach (Order order in ordersClosed)
{
if (order.OpenTime.HasValue
&& order.CloseTime.HasValue
&& order.OpenTime.Value <= dataBarProvider.BarsUnsafe[endIndex].DateTime
&& order.CloseTime.Value >= dataBarProvider.BarsUnsafe[startIndex].DateTime - dataBarProvider.Period)
{
int openIndex = dataBarProvider.GetIndexAtTime(order.OpenTime.Value);
int closeIndex = dataBarProvider.GetIndexAtTime(order.CloseTime.Value);
Pen pen = _buyDashedPen;
if (order.IsBuy == false)
{
pen = _sellDashedPen;
}
Decimal? doubleOpenValue = order.OpenPrice;
Decimal? doubleCloseValue = order.ClosePrice;
if (doubleOpenValue.HasValue == false)
{
SystemMonitor.Error("Invalid open price value for closed order to draw.");
continue;
}
if (doubleCloseValue.HasValue == false)
{
SystemMonitor.Error("Invalid close price value for closed order to draw.");
continue;
}
g.DrawLine(pen, new PointF(openIndex * (itemWidth + itemMargin), (float)doubleOpenValue),
new PointF(closeIndex * (itemWidth + itemMargin), (float)doubleCloseValue));
}
}
}
} // Lock
}
///// <summary>
///// Helper method, draws histogram bars.
///// </summary>
//protected void DrawHistogramBars(GraphicsWrapper g, Pen pen, Brush fill, int unitsUnification,
// RectangleF clippingRectangle, float itemWidth, float itemMargin, object tag)
//{
// PointF drawingPoint = new PointF();
// int startIndex, endIndex;
// GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
// for (int i = startIndex + unitsUnification - 1; i < endIndex && i < MaximumIndex + unitsUnification - 1; i += unitsUnification)
// {
// int actualIndex = i;
// int actualPreviousIndex = i - unitsUnification;
// if (actualIndex >= MaximumIndex)
// {
// actualIndex = MaximumIndex - 1;
// }
// DrawHistogramBar(g, ref drawingPoint, pen, fill, actualIndex, actualPreviousIndex,
// itemWidth, itemMargin, unitsUnification, tag);
// drawingPoint.X = i * (itemMargin + itemWidth);
// }
//}
//protected void DrawColoredArea(GraphicsWrapper g, Pen pen, Brush fill, int unitsUnification,
// RectangleF clippingRectangle, float itemWidth, float itemMargin, object tag)
//{
// PointF drawingPoint = new PointF();
// int startIndex, endIndex;
// GetDrawingRangeIndecesFromClippingRectange(clippingRectangle, drawingPoint, unitsUnification, out startIndex, out endIndex, itemWidth, itemMargin);
// for (int i = startIndex + unitsUnification - 1; i < endIndex && i < MaximumIndex + unitsUnification - 1; i += unitsUnification)
// {
// int actualIndex = i;
// int actualPreviousIndex = i - unitsUnification;
// if (actualIndex >= MaximumIndex)
// {
// actualIndex = MaximumIndex - 1;
// }
// DrawColorAreaItem(g, ref drawingPoint, pen, fill, actualIndex,
// actualPreviousIndex, itemWidth, itemMargin, tag);
// drawingPoint.X = i * (itemMargin + itemWidth);
// }
//}
protected void DrawColorAreaItem(GraphicsWrapper g, ref PointF drawingPoint, Pen pen, Brush fill,
int index, int previousItemIndex, float itemWidth, float itemMargin, object tag)
{
float indexValue = GetDrawingValueAt(index, tag);
float previousItemIndexValue = GetDrawingValueAt(previousItemIndex, tag);
int unificationCount = index - previousItemIndex;
for (int i = previousItemIndex; i <= index; i++)
{
if (float.IsNaN(previousItemIndexValue))
{
previousItemIndexValue = GetDrawingValueAt(i, tag);
} else if (float.IsNaN(indexValue))
{
indexValue = GetDrawingValueAt(i, tag);
}
}
if (float.IsNaN(indexValue) || float.IsNaN(previousItemIndexValue))
{// Failed to find reasonable values to draw.
return;
}
if (fill != null)
{
g.FillPolygon(fill, new PointF[] {
drawingPoint,
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y),
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue),
new PointF(drawingPoint.X, drawingPoint.Y + previousItemIndexValue) });
}
if (pen != null)
{
g.DrawLine(pen, drawingPoint.X, drawingPoint.Y + previousItemIndexValue,
drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue);
}
}
public override void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle)
{
base.DrawIcon(g, RisingBarPen, RisingBarFill, rectangle);
}
/// <summary>
/// Helper.
/// </summary>
protected PointF DrawCustomMessage(GraphicsWrapper g, Font font, Brush brush, string message, PointF drawingLocation)
{
if (font != null && brush != null)
{
SizeF size = g.MeasureString(message, font);
g.DrawString(message, font, brush, drawingLocation);
drawingLocation.Y += size.Height;
}
return drawingLocation;
}
void DrawOrders(GraphicsWrapper g, int index, PointF drawingPoint, float itemWidth, float itemMargin,
List<Order> openingOrders, List<Order> closingOrders, DataBar orderBarData, float lastBarX)
{
// Width is same as items in real coordinates.
float actualImageHeight = _imageDown.Height / Math.Abs(g.DrawingSpaceTransformClone.Elements[3]);
float yToXScaling = Math.Abs(g.DrawingSpaceTransformClone.Elements[0] / g.DrawingSpaceTransformClone.Elements[3]);
PointF updatedImageDrawingPoint = drawingPoint;
foreach (Order order in openingOrders)
{
DrawOrder(g, ref updatedImageDrawingPoint, order, itemWidth, itemMargin, yToXScaling, orderBarData, lastBarX, true);
}
foreach (Order order in closingOrders)
{
DrawOrder(g, ref updatedImageDrawingPoint, order, itemWidth, itemMargin, yToXScaling, orderBarData, lastBarX, false);
}
}
protected void DrawIcon(GraphicsWrapper g, Pen pen, Brush fill, Rectangle rectangle)
{
if (Visible == false)
{
return;
}
if (fill != null)
{
g.FillRectangle(fill, rectangle);
}
if (pen != null)
{
g.DrawRectangle(pen, rectangle);
}
}
public override void DrawSeriesIcon(GraphicsWrapper g, Rectangle rectangle)
{
base.DrawIcon(g, RisingBarPen, RisingBarFill, rectangle);
}
protected virtual void DrawPostActualSpaceOverlays(GraphicsWrapper g)
{
if (_titleFont != null && _titleFontBrush != null)
{
// Title
SizeF titleSize = g.MeasureString(_chartName, _titleFont);
Rectangle titleRectangle = new Rectangle(_actualDrawingSpaceArea.Left, _actualDrawingSpaceArea.Top, (int)titleSize.Width, (int)titleSize.Height);
g.DrawString(_chartName, _titleFont, _titleFontBrush, titleRectangle.Location);
PointF drawingLocation = new PointF(_actualDrawingSpaceArea.Left, titleRectangle.Height + _actualDrawingSpaceArea.Top);
// After the title, render any messages the chart series might have.
foreach (ChartSeries series in _series)
{
drawingLocation = series.DrawCustomMessages(this, g, drawingLocation);
}
}
if (_actualDrawingSpaceAreaBorderPen != null)
{
// Border
g.DrawRectangle(_actualDrawingSpaceAreaBorderPen, _actualDrawingSpaceArea.X - 1, _actualDrawingSpaceArea.Y - 1, _actualDrawingSpaceArea.Width + 1, _actualDrawingSpaceArea.Height + 1);
}
}
public override PointF DrawCustomMessages(ChartPane managingPane, GraphicsWrapper g, PointF drawingLocation)
{
if (Visible == false)
{
return drawingLocation;
}
// Draw any standard messages first (if any).
drawingLocation = base.DrawCustomMessages(managingPane, g, drawingLocation);
Font font = managingPane.TitleFont;
if (CustomMessagesFont != null)
{
font = CustomMessagesFont;
}
foreach (FFNewsCustom.NewsEvent eventItem in Indicator.VisibleNewsEvents)
{
TimeSpan span = (eventItem.DateTime - DateTime.UtcNow);
int hours = (int)Math.Abs(Math.Floor(span.TotalHours));
string message;
if (span.TotalSeconds < 0)
{
message = hours.ToString() + " hrs " + Math.Abs(span.Minutes).ToString() + " mins since " + eventItem.Country + ": " + eventItem.Title;
}
else
{
message = hours.ToString() + " hrs " + span.Minutes.ToString() + " mins until " + eventItem.Country + ": " + eventItem.Title;
}
drawingLocation = DrawCustomMessage(g, font, Indicator.TitleBrush, message, drawingLocation);
float drawingLocationOriginalX = drawingLocation.X;
SizeF size = new SizeF();
if (font != null && Indicator.ImpactBrush != null)
{
// Draw impact part.
string impactString = "Impact: " + eventItem.Impact.ToString();
size = g.MeasureString(impactString, font);
g.DrawString(impactString, font, Indicator.ImpactBrush, drawingLocation);
drawingLocation.X += size.Width;
}
// Draw previous part.
if (string.IsNullOrEmpty(eventItem.Previous) == false)
{
if (font != null && Indicator.PreviousBrush != null)
{
string previousString = "Previous: " + eventItem.Previous;
size = g.MeasureString(previousString, font);
g.DrawString(previousString, font, Indicator.PreviousBrush, drawingLocation);
drawingLocation.X += size.Width;
}
}
if (string.IsNullOrEmpty(eventItem.Forecast) == false)
{
if (font != null && Indicator.ForecastBrush != null)
{
string forecastString = "Forecast: " + eventItem.Forecast;
size = g.MeasureString(forecastString, font);
g.DrawString(forecastString, font, Indicator.ForecastBrush, drawingLocation);
drawingLocation.X += size.Width;
}
}
drawingLocation.X = drawingLocationOriginalX;
drawingLocation.Y += size.Height;
}
return drawingLocation;
}
public void SynchronizeDrawingSpaceXAxis(GraphicsWrapper masterWrapper)
{
lock (this)
{
// The current transformation matrix.
float[] elements = _drawingSpaceTransform.Elements;
// Modify the matrix only in X direction.
elements[0] = masterWrapper.DrawingSpaceTransformClone.Elements[0];
elements[4] = masterWrapper.DrawingSpaceTransformClone.Elements[4];
_drawingSpaceTransform = new Matrix(elements[0], elements[1], elements[2], elements[3], elements[4], elements[5]);
}
}
