chart.cs

用C#實現能產生PDF格式文件的源碼

#region PDFsharp Charting - A .NET charting library based on PDFsharp
//
// Authors:
//   Niklas Schneider (mailto:[e-mail])
//
// Copyright (c) 2005-2007 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.ComponentModel;
using PdfSharp.Drawing;

namespace PdfSharp.Charting
{
  /// <summary>
  /// Represents charts with different types.
  /// </summary>
  public class Chart : DocumentObject
  {
    /// <summary>
    /// Initializes a new instance of the Chart class.
    /// </summary>
    public Chart()
    {
    }

    /// <summary>
    /// Initializes a new instance of the Chart class with the specified parent.
    /// </summary>
    internal Chart(DocumentObject parent) : base(parent) {}

    /// <summary>
    /// Initializes a new instance of the Chart class with the specified chart type.
    /// </summary>
    public Chart(ChartType type) : this()
    {
      this.Type = type;
    }

    #region Methods
    /// <summary>
    /// Creates a deep copy of this object.
    /// </summary>
    public new Chart Clone()
    {
      return (Chart)DeepCopy();
    }

    /// <summary>
    /// Implements the deep copy of the object.
    /// </summary>
    protected override object DeepCopy()
    {
      Chart chart = (Chart)base.DeepCopy();
      if (chart.xAxis != null)
      {
        chart.xAxis = chart.xAxis.Clone();
        chart.xAxis.parent = chart;
      }
      if (chart.yAxis != null)
      {
        chart.yAxis = chart.yAxis.Clone();
        chart.yAxis.parent = chart;
      }
      if (chart.zAxis != null)
      {
        chart.zAxis = chart.zAxis.Clone();
        chart.zAxis.parent = chart;
      }
      if (chart.seriesCollection != null)
      {
        chart.seriesCollection = chart.seriesCollection.Clone();
        chart.seriesCollection.parent = chart;
      }
      if (chart.xValues != null)
      {
        chart.xValues = chart.xValues.Clone();
        chart.xValues.parent = chart;
      }
      if (chart.plotArea != null)
      {
        chart.plotArea = chart.plotArea.Clone();
        chart.plotArea.parent = chart;
      }
      if (chart.dataLabel != null)
      {
        chart.dataLabel = chart.dataLabel.Clone();
        chart.dataLabel.parent = chart;
      }
      return chart;
    }

    /// <summary>
    /// Determines the type of the given axis.
    /// </summary>
    internal string CheckAxis (Axis axis)
    {
      if ((this.xAxis != null) && (axis == this.xAxis))
        return "xaxis";
      if ((this.yAxis != null) && (axis == this.yAxis))
        return "yaxis";
      if ((this.zAxis != null) && (axis == this.zAxis))
        return "zaxis";

      return "";
    }
    #endregion

    #region Properties
    /// <summary>
    /// Gets or sets the base type of the chart.
    /// ChartType of the series can be overwritten.
    /// </summary>
    public ChartType Type
    {
      get {return this.type;}
      set {this.type = value;}
    }
    internal ChartType type;

    /// <summary>
    /// Gets or sets the font for the chart. This will be the default font for all objects which are
    /// part of the chart.
    /// </summary>
    public Font Font
    {
      get 
      {
        if (this.font == null)
          this.font = new Font(this);

        return this.font;
      }
    }
    internal Font font;

    /// <summary>
    /// Gets the legend of the chart.
    /// </summary>
    public Legend Legend
    {
      get
      {
        if (this.legend == null)
          this.legend = new Legend(this);

        return this.legend;
      }
    }
    internal Legend legend;

    /// <summary>
    /// Gets the X-Axis of the Chart.
    /// </summary>
    public Axis XAxis
    {
      get
      {
        if (this.xAxis == null)
          this.xAxis = new Axis(this);

        return this.xAxis;
      }
    }
    internal Axis xAxis;

    /// <summary>
    /// Gets the Y-Axis of the Chart.
    /// </summary>
    public Axis YAxis
    {
      get
      {
        if (this.yAxis == null)
          this.yAxis = new Axis(this);

        return this.yAxis;
      }
    }
    internal Axis yAxis;

    /// <summary>
    /// Gets the Z-Axis of the Chart.
    /// </summary>
    public Axis ZAxis
    {
      get
      {
        if (this.zAxis == null)
          this.zAxis = new Axis(this);

        return this.zAxis;
      }
    }
    internal Axis zAxis;

    /// <summary>
    /// Gets the collection of the data series.
    /// </summary>
    public SeriesCollection SeriesCollection
    {
      get
      {
        if (this.seriesCollection == null)
          this.seriesCollection = new SeriesCollection(this);

        return this.seriesCollection;
      }
    }
    internal SeriesCollection seriesCollection;

    /// <summary>
    /// Gets the collection of the values written on the X-Axis.
    /// </summary>
    public XValues XValues
    {
      get
      {
        if (this.xValues == null)
          this.xValues = new XValues(this);

        return this.xValues;
      }
    }
    internal XValues xValues;

    /// <summary>
    /// Gets the plot (drawing) area of the chart.
    /// </summary>
    public PlotArea PlotArea
    {
      get
      {
        if (this.plotArea == null)
          this.plotArea = new PlotArea(this);

        return this.plotArea;
      }
    }
    internal PlotArea plotArea;

    /// <summary>
    /// Gets or sets a value defining how blanks in the data series should be shown.
    /// </summary>
    public BlankType DisplayBlanksAs
    {
      get {return this.displayBlanksAs;}
      set {this.displayBlanksAs = value;}
    }
    internal BlankType displayBlanksAs;

    /// <summary>
    /// Gets the DataLabel of the chart.
    /// </summary>
    public DataLabel DataLabel
    {
      get 
      {
        if (this.dataLabel == null)
          this.dataLabel = new DataLabel(this);

        return this.dataLabel;
      }
    }
    internal DataLabel dataLabel;

    /// <summary>
    /// Gets or sets whether the chart has a DataLabel.
    /// </summary>
    public bool HasDataLabel
    {
      get {return this.hasDataLabel;}
      set {this.hasDataLabel = value;}
    }
    internal bool hasDataLabel;
    #endregion
  }
}