Files
DynamicDataDisplay/Charts/Shapes/HorizontalLine.cs
2024-02-23 00:46:06 -05:00

43 lines
1.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Shapes;
using System.Windows;
using System.Windows.Media;
using Microsoft.Research.DynamicDataDisplay;
namespace Microsoft.Research.DynamicDataDisplay.Charts
{
/// <summary>
/// Represents an infinite horizontal line with y-coordinate.
/// </summary>
public sealed class HorizontalLine : SimpleLine
{
/// <summary>
/// Initializes a new instance of the <see cref="HorizontalLine"/> class.
/// </summary>
public HorizontalLine() { }
/// <summary>
/// Initializes a new instance of the <see cref="HorizontalLine"/> class with specified y coordinate.
/// </summary>
/// <param name="yCoordinate">The y coordinate of line.</param>
public HorizontalLine(double yCoordinate)
{
Value = yCoordinate;
}
protected override void UpdateUIRepresentationCore()
{
var transform = Plotter.Viewport.Transform;
Point p1 = new Point(Plotter.Viewport.Visible.XMin, Value).DataToScreen(transform);
Point p2 = new Point(Plotter.Viewport.Visible.XMax, Value).DataToScreen(transform);
LineGeometry.StartPoint = p1;
LineGeometry.EndPoint = p2;
}
}
}