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 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);
}
}
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 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);
}
}
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));
}
}
protected virtual void DrawPostActualSpaceOverlays(GraphicsWrapper g)
{
if (_titleFont != null && _titleFontBrush != null)
{
// Title
Rectangle titleRectangle = new Rectangle(_actualDrawingSpaceArea.Left, _actualDrawingSpaceArea.Top, 0, 0);
SizeF titleSize = g.MeasureString(_chartName, _titleFont);
titleRectangle.Size = new Size((int)titleSize.Width, (int)titleSize.Height);
g.DrawString(_chartName, _titleFont, _titleFontBrush, titleRectangle.Location);
}
if (_actualDrawingSpaceAreaBorderPen != null)
{
// Border
g.DrawRectangle(_actualDrawingSpaceAreaBorderPen, _actualDrawingSpaceArea.X - 1, _actualDrawingSpaceArea.Y - 1, _actualDrawingSpaceArea.Width + 1, _actualDrawingSpaceArea.Height + 1);
}
}
protected virtual void DrawInitialActualSpaceOverlays(GraphicsWrapper g, ChartSeries timeBasedSeries)
{
{// X Axis labels.
float totalItemWidth = _seriesItemWidth + _seriesItemMargin;
float actualXSpacing = _xAxisLabelSpacing * totalItemWidth;
if (_considerAxisLabelsSpacingScale)
{
int xScaling = Math.Abs((int)(1 / _graphicsWrapper.DrawingSpaceTransform.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;
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 - 10
&& point.X < _actualDrawingSpaceArea.X + _actualDrawingSpaceArea.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 (timeBasedSeries.MaximumIndex > index)
{
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);
}
}
}
if (_axisLabelsFont != null && _xAxisLabelsFontBrush != null)
{
_actualDrawingSpaceAreaMarginBottom = 20;
}
else
{
_actualDrawingSpaceAreaMarginBottom = 8;
}
{// Y Axis labels.
int? yAxisLabelsWidth = null;
float actualYSpacing = _yAxisLabelSpacing;
if (_considerAxisLabelsSpacingScale)
{
int yScaling = Math.Abs((int)(1 / _graphicsWrapper.DrawingSpaceTransform.Elements[3]));
if (yScaling > 1)
{
actualYSpacing = actualYSpacing * yScaling;
}
}
// Set starting to the closes compatible positionactualXSpacing
int maxDecimalPlaces = actualYSpacing.ToString().Length - 1;
float yStart = (int)(_drawingSpaceDisplayLimit.Y / actualYSpacing);
yStart = yStart * actualYSpacing;
// Round off to a fixed number of post decimal point digits, will only work for values under 1
yStart = (float)Math.Round(yStart, maxDecimalPlaces);
{
//float minLabelValue = yStart;
//float maxLabelValue = _drawingSpaceDisplayLimit.Y + _drawingSpaceDisplayLimit.Height;
// Harry--Modified
// 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";
//_yAxisLabelsFormat = " #0.##;-#0.##; Zero";
// original
//_yAxisLabelsFormat = " #0.#####;-#0.#####; Zero";
//_yAxisLabelsFormat = " 0.000;-0.000;Zero";
// The default is 6 positions total for the y axis labels.
yAxisLabelsWidth = ((int)g.MeasureString("00.00000", _axisLabelsFont).Width);
//yAxisLabelsWidth = ((int)g.MeasureString("00.00", _axisLabelsFont).Width);
}
if (yAxisLabelsWidth.HasValue)
{// Calculate the current margin and confirm with any controling subscriber.
_actualDrawingSpaceAreaMarginLeft = yAxisLabelsWidth.Value + 5;
if (ActualDrawingSpaceMarginLeftUpdateEvent != null)
{
_actualDrawingSpaceAreaMarginLeft = ActualDrawingSpaceMarginLeftUpdateEvent(this, _actualDrawingSpaceAreaMarginLeft);
}
}
// 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 += actualYSpacing)
{
i = (float)Math.Round(i, maxDecimalPlaces);
PointF point = GraphicsWrapper.DrawingSpaceToActualSpace(new PointF(0, i), true);
if (point.Y > _actualDrawingSpaceArea.Y &&
point.Y < _actualDrawingSpaceArea.Y + _actualDrawingSpaceArea.Height)
{
if (_axisLabelsFont != null && _yAxisLabelsFontBrush != null)
{
g.DrawString((i).ToString(_yAxisLabelsFormat), _axisLabelsFont, _yAxisLabelsFontBrush, _actualDrawingSpaceAreaMarginLeft - yAxisLabelsWidth.Value - 3, point.Y);
}
// Draw the small line indicating where the string applies for.
g.DrawLine(_actualDrawingSpaceAreaBorderPen, _actualDrawingSpaceAreaMarginLeft - 5, point.Y, _actualDrawingSpaceAreaMarginLeft, point.Y);
}
}
}
if (ShowSeriesLabels)
{
_actualDrawingSpaceAreaMarginTop = 30;
}
else
{
_actualDrawingSpaceAreaMarginTop = 5;
}
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));
}
}
