257 lines
8.6 KiB
C#
257 lines
8.6 KiB
C#
//============================================================================
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//ZedGraph Class Library - A Flexible Line Graph/Bar Graph Library in C#
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//Copyright ?2006 John Champion
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//
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//This library is free software; you can redistribute it and/or
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//modify it under the terms of the GNU Lesser General Public
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//License as published by the Free Software Foundation; either
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//version 2.1 of the License, or (at your option) any later version.
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//
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//This library is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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//Lesser General Public License for more details.
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//
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//You should have received a copy of the GNU Lesser General Public
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//License along with this library; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//=============================================================================
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using System;
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using System.Drawing;
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using System.Text;
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using System.Runtime.Serialization;
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using System.Security.Permissions;
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namespace DrawGraph
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{
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/// <summary>
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/// Class that handles the properties of the charting area (where the curves are
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/// actually drawn), which is bounded by the <see cref="XAxis" />, <see cref="YAxis"/>,
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/// and <see cref="Y2Axis" />.
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/// </summary>
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///
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/// <author> John Champion </author>
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/// <version> $Revision: 3.1 $ $Date: 2006/06/24 20:26:44 $ </version>
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[Serializable]
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public class Chart : ICloneable, ISerializable
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{
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/// <summary>
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/// The rectangle that contains the area bounded by the axes, in pixel units
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/// </summary>
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internal RectangleF _rect;
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/// <summary>
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/// Private field that stores the <see cref="ZedGraph.Fill"/> data for this
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/// <see cref="Chart"/>. Use the public property <see cref="Fill"/> to
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/// access this value.
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/// </summary>
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internal Fill _fill;
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/// <summary>
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/// Private field that stores the <see cref="ZedGraph.Border"/> data for this
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/// <see cref="Chart"/>. Use the public property <see cref="Border"/> to
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/// access this value.
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/// </summary>
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internal Border _border;
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/// <summary>Private field that determines if the <see cref="Rect"/> will be
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/// sized automatically. Use the public property <see cref="IsRectAuto"/> to access
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/// this value. </summary>
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internal bool _isRectAuto;
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#region Constructors
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/// <summary>
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/// Default constructor.
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/// </summary>
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public Chart()
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{
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_isRectAuto = true;
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_border = new Border( Default.IsBorderVisible, Default.BorderColor, Default.BorderPenWidth );
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_fill = new Fill( Default.FillColor, Default.FillBrush, Default.FillType );
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}
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/// <summary>
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/// Copy constructor
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/// </summary>
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/// <param name="rhs">The source <see cref="Chart" /> to be copied.</param>
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public Chart( Chart rhs )
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{
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_border = rhs._border.Clone();
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_fill = rhs._fill.Clone();
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_rect = rhs._rect;
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_isRectAuto = rhs._isRectAuto;
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}
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/// <summary>
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/// Implement the <see cref="ICloneable" /> interface in a typesafe manner by just
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/// calling the typed version of <see cref="Clone" />
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/// </summary>
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/// <returns>A deep copy of this object</returns>
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object ICloneable.Clone()
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{
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return this.Clone();
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}
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/// <summary>
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/// Typesafe, deep-copy clone method.
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/// </summary>
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/// <returns>A new, independent copy of this class</returns>
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public Chart Clone()
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{
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return new Chart( this );
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}
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#endregion
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#region Properties
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/// <summary>
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/// Gets or sets the rectangle that contains the area bounded by the axes
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/// (<see cref="XAxis"/>, <see cref="YAxis"/>, and <see cref="Y2Axis"/>).
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/// If you set this value manually, then the <see cref="IsRectAuto"/>
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/// value will automatically be set to false.
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/// </summary>
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/// <value>The rectangle units are in screen pixels</value>
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public RectangleF Rect
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{
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get { return _rect; }
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set { _rect = value; _isRectAuto = false; }
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}
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/// <summary>
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/// Gets or sets the <see cref="ZedGraph.Fill"/> data for this
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/// <see cref="Chart"/>.
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/// </summary>
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public Fill Fill
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{
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get { return _fill; }
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set { _fill = value; }
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}
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/// <summary>
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/// Gets or sets the <see cref="ZedGraph.Border"/> class for drawing the border
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/// border around the <see cref="Chart"/>
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/// </summary>
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/// <seealso cref="Default.BorderColor"/>
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/// <seealso cref="Default.BorderPenWidth"/>
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public Border Border
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{
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get { return _border; }
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set { _border = value; }
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}
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/// <summary>
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/// Gets or sets a boolean value that determines whether or not the
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/// <see cref="Rect"/> will be calculated automatically (almost always true).
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/// </summary>
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/// <remarks>
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/// If you have a need to set the ChartRect manually, such as you have multiple graphs
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/// on a page and you want to line up the edges perfectly, you can set this value
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/// to false. If you set this value to false, you must also manually set
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/// the <see cref="Rect"/> property.
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/// You can easily determine the ChartRect that ZedGraph would have
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/// calculated by calling the <see cref="GraphPane.CalcChartRect(Graphics)"/> method, which returns
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/// a chart rect sized for the current data range, scale sizes, etc.
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/// </remarks>
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/// <value>true to have ZedGraph calculate the ChartRect, false to do it yourself</value>
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public bool IsRectAuto
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{
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get { return _isRectAuto; }
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set { _isRectAuto = value; }
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}
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#endregion
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#region Serialization
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/// <summary>
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/// Current schema value that defines the version of the serialized file
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/// </summary>
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public const int schema = 10;
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/// <summary>
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/// Constructor for deserializing objects
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/// </summary>
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/// <param name="info">A <see cref="SerializationInfo"/> instance that defines the serialized data
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/// </param>
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/// <param name="context">A <see cref="StreamingContext"/> instance that contains the serialized data
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/// </param>
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protected Chart( SerializationInfo info, StreamingContext context )
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{
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// The schema value is just a file version parameter. You can use it to make future versions
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// backwards compatible as new member variables are added to classes
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int sch = info.GetInt32( "schema" );
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_rect = (RectangleF)info.GetValue( "rect", typeof( RectangleF ) );
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_fill = (Fill)info.GetValue( "fill", typeof( Fill ) );
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_border = (Border)info.GetValue( "border", typeof( Border ) );
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_isRectAuto = info.GetBoolean( "isRectAuto" );
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}
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/// <summary>
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/// Populates a <see cref="SerializationInfo"/> instance with the data needed to serialize the target object
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/// </summary>
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/// <param name="info">A <see cref="SerializationInfo"/> instance that defines the serialized data</param>
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/// <param name="context">A <see cref="StreamingContext"/> instance that contains the serialized data</param>
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[SecurityPermissionAttribute( SecurityAction.Demand, SerializationFormatter = true )]
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public virtual void GetObjectData( SerializationInfo info, StreamingContext context )
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{
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info.AddValue( "schema", schema );
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info.AddValue( "rect", _rect );
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info.AddValue( "fill", _fill );
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info.AddValue( "border", _border );
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info.AddValue( "isRectAuto", _isRectAuto );
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}
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#endregion
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#region Defaults
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/// <summary>
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/// A simple struct that defines the
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/// default property values for the <see cref="Chart"/> class.
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/// </summary>
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public struct Default
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{
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/// <summary>
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/// The default color for the <see cref="Chart"/> border.
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/// (<see cref="Chart.Border"/> property).
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/// </summary>
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public static Color BorderColor = Color.Black;
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/// <summary>
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/// The default color for the <see cref="Chart"/> background.
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/// (<see cref="Chart.Fill"/> property).
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/// </summary>
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public static Color FillColor = Color.White;
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/// <summary>
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/// The default brush for the <see cref="GraphPane.Chart"/> background.
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/// (<see cref="ZedGraph.Fill.Brush"/> property of <see cref="Chart.Fill"/>).
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/// </summary>
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public static Brush FillBrush = null;
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/// <summary>
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/// The default <see cref="FillType"/> for the <see cref="GraphPane.Chart"/> background.
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/// (<see cref="ZedGraph.Fill.Type"/> property of <see cref="Chart.Fill"/>).
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/// </summary>
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public static FillType FillType = FillType.Brush;
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/// <summary>
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/// The default pen width for drawing the
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/// <see cref="GraphPane.Chart"/> border
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/// (<see cref="Chart.Border"/> property).
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/// Units are in points (1/72 inch).
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/// </summary>
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public static float BorderPenWidth = 1F;
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/// <summary>
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/// The default display mode for the <see cref="Chart"/> border
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/// (<see cref="Chart.Border"/> property). true
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/// to show the border border, false to omit the border
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/// </summary>
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public static bool IsBorderVisible = true;
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}
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#endregion
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}
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}
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