/// <summary>
/// Marker 동적으로 그리기
/// </summary>
/// <param name="markerItem"></param>
/// <param name="IsNormal"></param>
/// <returns></returns>
private StackPanel MakeMarkControl(MarkerItem markerItem, bool IsNormal)
{
StackPanel stackPanel = new StackPanel();
stackPanel.Width = 15;
stackPanel.Height = 28;
TextBlock textBlock = new TextBlock();
if (IsNormal == true)
{
textBlock.Text = markerItem.MarkerNum.ToString();
}
else
{
textBlock.Text = markerItem.MarkerNum.ToString() + "R";
}
textBlock.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(markerItem.Color));
textBlock.TextAlignment = TextAlignment.Center;
stackPanel.Children.Add(textBlock);
Polygon polygon = new Polygon();
polygon.Points.Add(new Point(0, 0));
polygon.Points.Add(new Point(10, 0));
polygon.Points.Add(new Point(5, 10));
polygon.Fill = new SolidColorBrush((Color)ColorConverter.ConvertFromString(markerItem.Color));
polygon.HorizontalAlignment = HorizontalAlignment.Center;
stackPanel.Children.Add(polygon);
lineCanvas.Children.Add(stackPanel);
return(stackPanel);
}
/// <summary>
/// Delta Marker 추가 제거
/// </summary>
private void OnMarkerNormalCommand()
{
MarkerItem markerItem = null;
foreach (MarkerItem _item in MarkerItems)
{
if (_item.MarkerNum != this.Marker)
{
continue;
}
markerItem = _item;
markerItem.IsDelta = IsMarkerDelta;
break;
}
if (IsMarkerDelta == true)
{
markerItem.DeltaMarkerControl = MakeMarkControl(markerItem, false);
markerItem.DeltaMarkerControl.IsHitTestVisible = false;
this.lineCanvas.Dispatcher.Invoke((ThreadStart)(() => { }), DispatcherPriority.ApplicationIdle);
Canvas.SetLeft(markerItem.DeltaMarkerControl, Canvas.GetLeft(markerItem.MarkerControl));
Canvas.SetTop(markerItem.DeltaMarkerControl, Canvas.GetTop(markerItem.MarkerControl));
}
else
{
lineCanvas.Children.Remove(markerItem.DeltaMarkerControl);
}
}
/// <summary>
/// Marker추가
/// </summary>
private void OnMarkerOnCommand()
{
MarkerItem markerItem = null;
foreach (MarkerItem _item in MarkerItems)
{
if (_item.MarkerNum != this.Marker)
{
continue;
}
markerItem = _item;
break;
}
if (markerItem != null && IsMarkerOn == false)
{
IsMarkerDelta = false;
MarkerItems.Remove(markerItem);
lineCanvas.Children.Remove(markerItem.MarkerControl);
lineCanvas.Children.Remove(markerItem.DeltaMarkerControl);
}
else if (markerItem == null && IsMarkerOn == true)
{
markerItem = new MarkerItem();
markerItem.MarkerNum = this.Marker;
markerItem.Freq = ControlCenter;
markerItem.IsDelta = false;
MarkerItem.EMarkerColor eMarkerColor = MarkerItem.EMarkerColor.Mark1;
markerItem.Color = eMarkerColor.FindEnumValue(markerItem.MarkerNum).ToDescription();
MarkerItems.Add(markerItem);
markerItem.MarkerControl = MakeMarkControl(markerItem, true);
markerItem.MarkerControl.MouseDown += StackPanel_MouseDown;
this.lineCanvas.Dispatcher.Invoke((ThreadStart)(() => { }), DispatcherPriority.ApplicationIdle);
MoveMarker(markerItem.MarkerControl, new Point(lineCanvas.ActualWidth / 2, 0));
}
}
/// <summary>
/// Y축 최댓값 위치로 Marker이동
/// </summary>
private void OnMarkerPeakCommand()
{
Polyline polyline = null;
foreach (UIElement element in lineCanvas.Children)
{
if (element is Polyline)
{
polyline = element as Polyline;
}
}
MarkerItem markerItem = null;
foreach (var item in MarkerItems)
{
if (item.MarkerNum != this.Marker)
{
return;
}
markerItem = item;
break;
}
if (markerItem == null)
{
return;
}
PathGeometry pathGeometry = polyline.RenderedGeometry.GetFlattenedPathGeometry();
List <Tuple <Point, double> > closePoints = new List <Tuple <Point, double> >();
foreach (PathFigure pathFigure in pathGeometry.Figures)
{
Point current = pathFigure.StartPoint;
foreach (PathSegment s in pathFigure.Segments)
{
PolyLineSegment segment = s as PolyLineSegment;
LineSegment line = s as LineSegment;
Point[] points;
if (segment != null)
{
points = segment.Points.ToArray();
}
else if (line != null)
{
points = new[] { line.Point };
}
else
{
throw new InvalidOperationException("Unexpected segment type");
}
foreach (Point next in points)
{
double d = (next - current).LengthSquared;
closePoints.Add(new Tuple <Point, double>(next, d));
current = next;
}
}
}
Tuple <Point, double> point = closePoints.OrderBy(p => p.Item1.Y).First();
MoveMarker(markerItem.MarkerControl, point.Item1);
}