AIMS/DrawGraph/Graph/StickItem.cs
2022-08-23 21:12:59 +08:00

220 lines
8.6 KiB
C#

//============================================================================
//ZedGraph Class Library - A Flexible Line Graph/Bar Graph Library in C#
//Copyright ?2004 John Champion
//
//This library is free software; you can redistribute it and/or
//modify it under the terms of the GNU Lesser General Public
//License as published by the Free Software Foundation; either
//version 2.1 of the License, or (at your option) any later version.
//
//This library is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//Lesser General Public License for more details.
//
//You should have received a copy of the GNU Lesser General Public
//License along with this library; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//=============================================================================
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Runtime.Serialization;
using System.Security.Permissions;
namespace DrawGraph
{
/// <summary>
/// Encapsulates a curve type that is displayed as a series of vertical "sticks",
/// one at each defined point.
/// </summary>
/// <remarks>
/// The sticks run from the zero value of the Y axis, to the Y point defined in each
/// <see cref="PointPair"/> of the <see cref="IPointList" /> (see <see cref="CurveItem.Points"/>).
/// The properties of the sticks are defined in the <see cref="Line"/> property.
/// Normally, the <see cref="Symbol"/> is not visible. However, if you manually enable the
/// <see cref="Symbol"/> using the <see cref="ZedGraph.Symbol.IsVisible"/> property, the
/// symbols will be drawn at the "Z" value from each <see cref="PointPair" /> (see
/// <see cref="PointPair.Z" />).
/// </remarks>
///
/// <author> John Champion </author>
/// <version> $Revision: 1.7 $ $Date: 2007/01/25 07:56:09 $ </version>
[Serializable]
public class StickItem : LineItem, ICloneable, ISerializable
{
#region Fields
#endregion
#region Properties
/// <summary>
/// Gets a flag indicating if the Z data range should be included in the axis scaling calculations.
/// </summary>
/// <param name="pane">The parent <see cref="GraphPane" /> of this <see cref="CurveItem" />.
/// </param>
/// <value>true if the Z data are included, false otherwise</value>
override internal bool IsZIncluded( GraphPane pane )
{
return _symbol.IsVisible;
}
/// <summary>
/// Gets a flag indicating if the X axis is the independent axis for this <see cref="CurveItem" />
/// </summary>
/// <param name="pane">The parent <see cref="GraphPane" /> of this <see cref="CurveItem" />.
/// </param>
/// <value>true if the X axis is independent, false otherwise</value>
override internal bool IsXIndependent( GraphPane pane )
{
return true;
}
#endregion
#region Constructors
/// <summary>
/// Create a new <see cref="StickItem"/>, specifying only the legend <see cref="CurveItem.Label" />.
/// </summary>
/// <param name="label">The label that will appear in the legend.</param>
public StickItem( string label ) : base( label )
{
_symbol.IsVisible = false;
}
/// <summary>
/// Create a new <see cref="StickItem"/> using the specified properties.
/// </summary>
/// <param name="label">The label that will appear in the legend.</param>
/// <param name="x">An array of double precision values that define
/// the independent (X axis) values for this curve</param>
/// <param name="y">An array of double precision values that define
/// the dependent (Y axis) values for this curve</param>
/// <param name="color">A <see cref="Color"/> value that will be applied to
/// the <see cref="Line"/> and <see cref="Symbol"/> properties.
/// </param>
/// <param name="lineWidth">The width (in points) to be used for the <see cref="Line"/>. This
/// width is scaled based on <see cref="PaneBase.CalcScaleFactor"/>. Use a value of zero to
/// hide the line (see <see cref="ZedGraph.LineBase.IsVisible"/>).</param>
public StickItem( string label, double[] x, double[] y, Color color, float lineWidth )
: this( label, new PointPairList( x, y ), color, lineWidth )
{
}
/// <summary>
/// Create a new <see cref="StickItem"/> using the specified properties.
/// </summary>
/// <param name="label">The label that will appear in the legend.</param>
/// <param name="x">An array of double precision values that define
/// the independent (X axis) values for this curve</param>
/// <param name="y">An array of double precision values that define
/// the dependent (Y axis) values for this curve</param>
/// <param name="color">A <see cref="Color"/> value that will be applied to
/// the <see cref="Line"/> and <see cref="Symbol"/> properties.
/// </param>
public StickItem( string label, double[] x, double[] y, Color color )
: this( label, new PointPairList( x, y ), color )
{
}
/// <summary>
/// Create a new <see cref="StickItem"/> using the specified properties.
/// </summary>
/// <param name="label">The label that will appear in the legend.</param>
/// <param name="points">A <see cref="IPointList"/> of double precision value pairs that define
/// the X and Y values for this curve</param>
/// <param name="color">A <see cref="Color"/> value that will be applied to
/// the <see cref="Line"/> and <see cref="Symbol"/> properties.
/// </param>
public StickItem( string label, IPointList points, Color color )
: this( label, points, color, DrawGraph.LineBase.Default.Width )
{
}
/// <summary>
/// Create a new <see cref="StickItem"/> using the specified properties.
/// </summary>
/// <param name="label">The label that will appear in the legend.</param>
/// <param name="points">A <see cref="IPointList"/> of double precision value pairs that define
/// the X and Y values for this curve</param>
/// <param name="color">A <see cref="Color"/> value that will be applied to
/// the <see cref="Line"/> and <see cref="Symbol"/> properties.
/// </param>
/// <param name="lineWidth">The width (in points) to be used for the <see cref="Line"/>. This
/// width is scaled based on <see cref="PaneBase.CalcScaleFactor"/>. Use a value of zero to
/// hide the line (see <see cref="ZedGraph.LineBase.IsVisible"/>).</param>
public StickItem( string label, IPointList points, Color color, float lineWidth )
: base( label, points, color, Symbol.Default.Type, lineWidth )
{
_symbol.IsVisible = false;
}
/// <summary>
/// The Copy Constructor
/// </summary>
/// <param name="rhs">The <see cref="StickItem"/> object from which to copy</param>
public StickItem( StickItem rhs ) : base( rhs )
{
}
/// <summary>
/// Implement the <see cref="ICloneable" /> interface in a typesafe manner by just
/// calling the typed version of <see cref="Clone" />
/// </summary>
/// <returns>A deep copy of this object</returns>
object ICloneable.Clone()
{
return this.Clone();
}
/// <summary>
/// Typesafe, deep-copy clone method.
/// </summary>
/// <returns>A new, independent copy of this class</returns>
public new StickItem Clone()
{
return new StickItem( this );
}
#endregion
#region Serialization
/// <summary>
/// Current schema value that defines the version of the serialized file
/// </summary>
public const int schema3 = 10;
/// <summary>
/// Constructor for deserializing objects
/// </summary>
/// <param name="info">A <see cref="SerializationInfo"/> instance that defines the serialized data
/// </param>
/// <param name="context">A <see cref="StreamingContext"/> instance that contains the serialized data
/// </param>
protected StickItem( SerializationInfo info, StreamingContext context ) : base( info, context )
{
// The schema value is just a file version parameter. You can use it to make future versions
// backwards compatible as new member variables are added to classes
int sch = info.GetInt32( "schema3" );
}
/// <summary>
/// Populates a <see cref="SerializationInfo"/> instance with the data needed to serialize the target object
/// </summary>
/// <param name="info">A <see cref="SerializationInfo"/> instance that defines the serialized data</param>
/// <param name="context">A <see cref="StreamingContext"/> instance that contains the serialized data</param>
[SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)]
public override void GetObjectData( SerializationInfo info, StreamingContext context )
{
base.GetObjectData( info, context );
info.AddValue( "schema3", schema3 );
}
#endregion
#region Methods
#endregion
}
}