public BrokenLine(List <Point> points, Brush brush, double thickness, BrokenLineCapType brokenLineCapType, String name)
{
Points = points;
Brush = brush;
Thickness = thickness;
//BrokenLineCapType = brokenLineCapType;
Name = name;
}
public BrokenLine(List <Point> points, Brush brush, double thickness, BrokenLineCapType brokenLineCapType) : this(points, brush, 1, BrokenLineCapType.None, "")
{
}
/// <summary>
/// 绘制线帽
/// </summary>
private void DrawLineCap(DrawingContext dc, Brush brush, Point p, BrokenLineCapType type)
{
switch (type)
{
case BrokenLineCapType.None:
break;
case BrokenLineCapType.Circle:
dc.DrawEllipse(brush, new Pen(brush, 1), new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX, canvas.ActualHeight - p.Y * canvas.ActualHeight / ScaleRatioAxisY), 1.5, 1.5);
break;
case BrokenLineCapType.RectangleH:
dc.DrawRectangle(brush, new Pen(brush, 1), new Rect(p.X * canvas.ActualWidth * ScaleRatioAxisX - 2, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 1, 4, 2));
break;
case BrokenLineCapType.RectangleV:
dc.DrawRectangle(brush, new Pen(brush, 1), new Rect(p.X * canvas.ActualWidth * ScaleRatioAxisX - 1, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 2, 2, 4));
break;
case BrokenLineCapType.Square:
dc.DrawRectangle(brush, new Pen(brush, 1), new Rect(p.X * canvas.ActualWidth * ScaleRatioAxisX - 1.5, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 1.5, 3, 3));
break;
case BrokenLineCapType.Triangle:
dc.DrawGeometry(brush, new Pen(brush, 1),
new PathGeometry()
{
Figures = new PathFigureCollection()
{
new PathFigure()
{
Segments = new PathSegmentCollection
{
new PolyLineSegment
{
Points = new PointCollection(new Point[2] {
new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX + 1.5, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 1.5), new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY + 2)
})
},
},
IsFilled = true,
IsClosed = true,
StartPoint = new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX - 1.5, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 1.5)
}
}
});
break;
case BrokenLineCapType.TriangleR:
dc.DrawGeometry(brush, new Pen(brush, 1),
new PathGeometry()
{
Figures = new PathFigureCollection()
{
new PathFigure()
{
Segments = new PathSegmentCollection
{
new PolyLineSegment
{
Points = new PointCollection(new Point[2] {
new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX + 1.5, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY + 1.5), new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 2)
})
},
},
IsFilled = true,
IsClosed = true,
StartPoint = new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX - 1.5, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY + 1.5)
}
}
});
break;
case BrokenLineCapType.Diamond:
dc.DrawGeometry(brush, new Pen(brush, 1),
new PathGeometry()
{
Figures = new PathFigureCollection()
{
new PathFigure()
{
Segments = new PathSegmentCollection
{
new PolyLineSegment
{
Points = new PointCollection(new Point[3] {
new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY - 1.7),
new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX + 1.7, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY),
new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY + 1.7)
})
},
},
IsFilled = true,
IsClosed = true,
StartPoint = new Point(p.X * canvas.ActualWidth * ScaleRatioAxisX - 1.7, canvas.ActualHeight - (p.Y * canvas.ActualHeight) / ScaleRatioAxisY)
}
}
});
break;
}
}
