protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
{
foreach (Visual child in visualChildren)
{
DrawingVisualPlus drawingVisual = child as DrawingVisualPlus;
if (drawingVisual != null)
{
TranslateTransform xform = drawingVisual.Transform as TranslateTransform;
if (xform != null)
{
if (sizeInfo.WidthChanged)
{
xform.X = sizeInfo.NewSize.Width * (drawingVisual.DataPoint.Coordinate.X / ContourScale + XOffset);
}
if (sizeInfo.HeightChanged)
{
xform.Y = sizeInfo.NewSize.Height * (drawingVisual.DataPoint.Coordinate.Y / ContourScale + YOffset);
}
}
}
}
base.OnRenderSizeChanged(sizeInfo);
}
protected void CreateVisualChild(CoordinateFeaturePoint point)
{
RebuildHighlightBrush();
DrawingVisualPlus drawingVisual = new DrawingVisualPlus();
drawingVisual.DataPoint = point;
DrawingContext dc = drawingVisual.RenderOpen();
if (point.IsEmpty || point.Coordinate.IsEmpty)
{
return;
}
switch (point.Coordinate.Type)
{
// case PointType.Chopping:
// dc.DrawEllipse(Brushes[1], null, new System.Windows.Point(point.Coordinate.X / ContourScale + XOffset, point.Y / ContourScale + YOffset), PointSize, PointSize);
// break;
// case PointType.Feature:
// dc.DrawEllipse(Brushes[2], null, new System.Windows.Point(point.Coordinate.X / ContourScale + XOffset, point.Y / ContourScale + YOffset), FeaturePointSize, FeaturePointSize);
// break;
case PointType.FeatureMoving:
dc.DrawEllipse(Brushes[1], null, new System.Windows.Point(point.Coordinate.X / ContourScale + XOffset, point.Coordinate.Y / ContourScale + YOffset), PointSize, PointSize);
break;
case PointType.Normal:
default:
dc.DrawEllipse(Brushes[2], null, new System.Windows.Point(point.Coordinate.X / ContourScale + XOffset, point.Coordinate.Y / ContourScale + YOffset), FeaturePointSize, FeaturePointSize);
dc.DrawEllipse(HighlightBrush, null, new System.Windows.Point(point.Coordinate.X / ContourScale + XOffset, point.Coordinate.Y / ContourScale + YOffset), HighlightPointSize, HighlightPointSize);
if (!string.IsNullOrEmpty(point.Name))
{
FormattedText formattedText = new FormattedText(
point.Name,
CultureInfo.GetCultureInfo("en-us"),
FlowDirection.LeftToRight,
new Typeface("Arial"),
TextSize,
Brushes[0]);
dc.DrawText(formattedText,
new System.Windows.Point(point.Coordinate.X / ContourScale + XOffset - formattedText.Width / 2, point.Coordinate.Y / ContourScale + YOffset + formattedText.Height + HighlightPointSize / 2 + 1));
}
break;
}
dc.Close();
visualChildren.Add(drawingVisual);
}
//private void DrawMovingLines(CoordinateFeaturePoint dataPoint, DrawingContext dc)
//{
// var pointIndex = ItemsSource.IndexOf(dataPoint);
// if (pointIndex >= 0)
// {
// if (pointIndex >= 1)
// {
// dc.DrawLine(Pens[0],
// new System.Windows.Point(ItemsSource[pointIndex - 1].X / ContourScale + XOffset, ItemsSource[pointIndex - 1].Y / ContourScale + YOffset),
// new System.Windows.Point(dataPoint.X / ContourScale + XOffset, dataPoint.Y / ContourScale));
// }
// if (pointIndex < ItemsSource.Count - 1)
// {
// dc.DrawLine(Pens[0],
// new System.Windows.Point(ItemsSource[pointIndex + 1].X / ContourScale + XOffset, ItemsSource[pointIndex + 1].Y / ContourScale + YOffset),
// new System.Windows.Point(dataPoint.X / ContourScale + XOffset, dataPoint.Y / ContourScale + YOffset));
// }
// }
//}
protected void RemoveVisualChildren(ICollection coll)
{
LoopTop:
foreach (object obj in coll)
{
DrawingVisualPlus point = obj as DrawingVisualPlus;
if (point != null && point.DataPoint != null)
{
RemoveVisualChild(point.DataPoint);
// Collection gets modified, so the foreach will throw an exception if we keep going like this
goto LoopTop;
}
}
}
protected void CreateVisualChild(Darwin.Point point)
{
DrawingVisualPlus drawingVisual = new DrawingVisualPlus();
drawingVisual.DataPoint = point;
DrawingContext dc = drawingVisual.RenderOpen();
switch (point.Type)
{
case PointType.Chopping:
dc.DrawEllipse(Brushes[1], null, new System.Windows.Point(point.X / ContourScale + XOffset, point.Y / ContourScale + YOffset), PointSize, PointSize);
break;
case PointType.Feature:
dc.DrawEllipse(Brushes[2], null, new System.Windows.Point(point.X / ContourScale + XOffset, point.Y / ContourScale + YOffset), FeaturePointSize, FeaturePointSize);
break;
case PointType.FeatureMoving:
dc.DrawEllipse(Brushes[1], null, new System.Windows.Point(point.X / ContourScale + XOffset, point.Y / ContourScale + YOffset), FeaturePointSize, FeaturePointSize);
break;
case PointType.Normal:
default:
dc.DrawEllipse(Brushes[0], null, new System.Windows.Point(point.X / ContourScale + XOffset, point.Y / ContourScale + YOffset), PointSize, PointSize);
break;
}
if (point.Type == PointType.Moving && Pens != null)
{
DrawMovingLines(point, dc);
}
//drawingVisual.Transform = new TranslateTransform(RenderSize.Width * dataPoint.X,
// RenderSize.Height * dataPoint.Y);
dc.Close();
// If it's a feature point, add it, otherwise insert so the Feature points have
// the highest ZIndex
if (point.Type == PointType.Feature || point.Type == PointType.FeatureMoving)
{
visualChildren.Add(drawingVisual);
}
else
{
visualChildren.Insert(0, drawingVisual);
}
}
protected void RemoveVisualChild(CoordinateFeaturePoint point)
{
List <DrawingVisualPlus> removeList = new List <DrawingVisualPlus>();
foreach (Visual child in visualChildren)
{
DrawingVisualPlus drawingVisual = child as DrawingVisualPlus;
if (drawingVisual.DataPoint == point)
{
removeList.Add(drawingVisual);
break;
}
}
foreach (DrawingVisualPlus drawingVisual in removeList)
{
visualChildren.Remove(drawingVisual);
}
}
void CreateVisualChildren(ICollection coll)
{
foreach (object obj in coll)
{
Line line = obj as Line;
DrawingVisualPlus drawingVisual = new DrawingVisualPlus();
drawingVisual.Line = line;
DrawingContext dc = drawingVisual.RenderOpen();
PathGeometry geometry = new PathGeometry();
PathFigure figure = new PathFigure();
geometry.Figures.Add(figure);
double dist = GetDistance(line.Start.X, line.End.X, line.Start.Y, line.End.Y);
double scalar = 1;
if (dist > MaxRange)
scalar = dist / MaxRange;
figure.StartPoint = new System.Windows.Point(
(RenderSize.Width / 2) + (RenderSize.Width / 2) * line.Start.X/MaxRange,
(RenderSize.Height) - (RenderSize.Height) * line.Start.Y/MaxRange);
figure.Segments.Add(new LineSegment(new System.Windows.Point(
(RenderSize.Width / 2) + (RenderSize.Width / 2) * line.End.X/MaxRange,
(RenderSize.Height) - (RenderSize.Height) * line.End.Y/MaxRange), true));
dc.DrawGeometry(new SolidColorBrush(Color.FromArgb(255, 69, 255, 0)), new Pen(new SolidColorBrush(Color.FromArgb(255, 69, 255, 0)), 3), geometry);
dc.Close();
visualChildren.Add(drawingVisual);
}
}
/*Creates DrawingVisual to place point on plot*/
void CreateVisualChildren(ICollection coll)
{
foreach (object obj in coll)
{
Models.Point dataPoint = obj as Models.Point;
DrawingVisualPlus drawingVisual = new DrawingVisualPlus();
drawingVisual.DataPoint = dataPoint;
DrawingContext dc = drawingVisual.RenderOpen();
dc.DrawEllipse(new SolidColorBrush(Color.FromArgb(255, 127, 255, 0)), null,
new System.Windows.Point(0, 0), 2, 2);
drawingVisual.Transform = new TranslateTransform(
((RenderSize.Width / 2) + (RenderSize.Width / 2) * dataPoint.X / MaxRange),
((RenderSize.Height) - (RenderSize.Height) * dataPoint.Y / MaxRange));
dc.Close();
visualChildren.Add(drawingVisual);
}
}
