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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// Description:
// Implementation of Line shape element.
//
using System.Windows.Media;
using System.ComponentModel;
namespace System.Windows.Shapes
{
/// <summary>
/// The line shape element
/// This element (like all shapes) belongs under a Canvas,
/// and will be presented by the parent canvas.
/// </summary>
public sealed class Line : Shape
{
#region Constructors
/// <summary>
/// Instantiates a new instance of a line.
/// </summary>
public Line()
{
}
#endregion Constructors
#region Dynamic Properties
/// <summary>
/// X1 property
/// </summary>
public static readonly DependencyProperty X1Property =
DependencyProperty.Register( "X1", typeof(double), typeof(Line),
new FrameworkPropertyMetadata(0d, FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender),
new ValidateValueCallback(Shape.IsDoubleFinite));
/// <summary>
/// X1 property
/// </summary>
[TypeConverter(typeof(LengthConverter))]
public double X1
{
get
{
return (double)GetValue(X1Property);
}
set
{
SetValue(X1Property, value);
}
}
/// <summary>
/// Y1 property
/// </summary>
public static readonly DependencyProperty Y1Property =
DependencyProperty.Register( "Y1", typeof(double), typeof(Line),
new FrameworkPropertyMetadata(0d, FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender),
new ValidateValueCallback(Shape.IsDoubleFinite));
/// <summary>
/// Y1 property
/// </summary>
[TypeConverter(typeof(LengthConverter))]
public double Y1
{
get
{
return (double)GetValue(Y1Property);
}
set
{
SetValue(Y1Property, value);
}
}
/// <summary>
/// X2 property
/// </summary>
public static readonly DependencyProperty X2Property =
DependencyProperty.Register( "X2", typeof(double), typeof(Line),
new FrameworkPropertyMetadata(0d, FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender),
new ValidateValueCallback(Shape.IsDoubleFinite));
/// <summary>
/// X2 property
/// </summary>
[TypeConverter(typeof(LengthConverter))]
public double X2
{
get
{
return (double)GetValue(X2Property);
}
set
{
SetValue(X2Property, value);
}
}
/// <summary>
/// Y2 property
/// </summary>
public static readonly DependencyProperty Y2Property =
DependencyProperty.Register( "Y2", typeof(double), typeof(Line),
new FrameworkPropertyMetadata(0d, FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender),
new ValidateValueCallback(Shape.IsDoubleFinite));
/// <summary>
/// Y2 property
/// </summary>
[TypeConverter(typeof(LengthConverter))]
public double Y2
{
get
{
return (double)GetValue(Y2Property);
}
set
{
SetValue(Y2Property, value);
}
}
#endregion Dynamic Properties
#region Protected Methods and Properties
/// <summary>
/// Get the line that defines this shape
/// </summary>
protected override Geometry DefiningGeometry
{
get
{
return _lineGeometry;
}
}
#endregion
#region Internal Methods
internal override void CacheDefiningGeometry()
{
Point point1 = new Point(X1, Y1);
Point point2 = new Point(X2, Y2);
// Create the Line geometry
_lineGeometry = new LineGeometry(point1, point2);
}
#endregion Internal Methods
#region Private Methods and Members
private LineGeometry _lineGeometry;
#endregion
}
}
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