private Path GetPath(Point startPoint, Point endPoint, PlacementTypes placementType, CustomAxisLabel customLabel)
{
Path path = new System.Windows.Shapes.Path();
path.Stroke = Charts.Chart.CalculateFontColor((Chart as Chart), ParentAxis.Background, customLabel.LineColor, false);
path.StrokeThickness = (Double) customLabel.LineThickness;
PathGeometry geometry = new PathGeometry();
PathFigure pathFigure = new PathFigure();
pathFigure.StartPoint = startPoint;
PointCollection collection = new PointCollection();
if (placementType == PlacementTypes.Bottom)
{
collection.Add(new Point(startPoint.X, startPoint.Y + (LineEnabled ? LINE_HEIGHT : 0)));
collection.Add(new Point(endPoint.X, endPoint.Y + (LineEnabled ? LINE_HEIGHT : 0)));
collection.Add(endPoint);
}
else if (placementType == PlacementTypes.Left)
{
collection.Add(new Point(startPoint.X - (LineEnabled ? LINE_HEIGHT : 0), startPoint.Y));
collection.Add(new Point(endPoint.X - (LineEnabled ? LINE_HEIGHT : 0), endPoint.Y));
collection.Add(endPoint);
}
else if (placementType == PlacementTypes.Right)
{
collection.Add(new Point(startPoint.X + (LineEnabled ? LINE_HEIGHT : 0), startPoint.Y));
collection.Add(new Point(endPoint.X + (LineEnabled ? LINE_HEIGHT : 0), endPoint.Y));
collection.Add(endPoint);
}
else if (placementType == PlacementTypes.Top)
{
collection.Add(new Point(startPoint.X, startPoint.Y - (LineEnabled ? LINE_HEIGHT : 0)));
collection.Add(new Point(endPoint.X, endPoint.Y - (LineEnabled ? LINE_HEIGHT : 0)));
collection.Add(endPoint);
}
foreach (Point point in collection)
{
LineSegment segment = new LineSegment();
segment.Point = point;
pathFigure.Segments.Add(segment);
}
geometry.Figures.Add(pathFigure);
path.Data = geometry;
return path;
}
/// <summary>
/// Apply font properties of CustomAxisLabels
/// </summary>
/// <param name="label">AxisLabel</param>
private void ApplyAxisLabelFontProperties(AxisLabel label, CustomAxisLabel customAxisLabel)
{
//Set size affecting font properties
label.FontSize = InternalFontSize;
if(customAxisLabel != null)
label.FontColor = Charts.Chart.CalculateFontColor((Chart as Chart), ParentAxis.Background, customAxisLabel.FontColor, false);
label.FontFamily = InternalFontFamily;
label.FontStyle = InternalFontStyle;
label.FontWeight = InternalFontWeight;
label.TextAlignment = TextAlignment;
label.Angle = GetAngle();
}
/// <summary>
/// Event handler attached with LineThickness property changed event of CustomAxisLabel element
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnLineThicknessPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CustomAxisLabel customAxisLabel = d as CustomAxisLabel;
customAxisLabel.UpdateVisual(VcProperties.LineThickness, e.NewValue);
}
/// <summary>
/// Event handler attached with From property changed event of CustomAxisLabel element
/// </summary>
/// <param name="d">DependencyObject</param>
/// <param name="e">DependencyPropertyChangedEventArgs</param>
private static void OnFromPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CustomAxisLabel customAxisLabel = d as CustomAxisLabel;
customAxisLabel.FirePropertyChanged(VcProperties.From);
}
/// <summary>
/// Event handler attached with FontColor property changed event of CustomAxisLabel element
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnFontColorPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CustomAxisLabel customAxisLabel = d as CustomAxisLabel;
customAxisLabel.UpdateVisual(VcProperties.FontColor, e.NewValue);
}