ABCpdf .NET PDF Component Documentation

// ===========================================================================
//  ©2013-2026 WebSupergoo. All rights reserved.
//
//  This source code is for use exclusively with the ABCpdf product with
//  which it is distributed, under the terms of the license for that
//  product. Details can be found at
//
//    http://www.websupergoo.com/
//
//  This copyright notice must not be deleted and must be reproduced alongside
//  any sections of code extracted from this module.
// ===========================================================================

using System;

namespace WebSupergoo.ABCpdf14.Drawing {
  #region Page
  /// <summary>A visible page within the document.</summary>
  public sealed class Page {
    #region Declare variables
    private PDFDocument _document = null;
    private Drawing.Graphics _graphics = null;
    private int _id = -1;
    #endregion
  
    #region Properties
    /// <summary>The PDF document.</summary>
    internal PDFDocument Document { get { return _document; } }

    /// <summary>The ID of the PDF page.</summary>
    public int ID { get { return _id; } }

    /// <summary>The Graphics object for the page.</summary>
    public Drawing.Graphics Graphics {
      get {
        _document.Doc.Page = _id;
        return _graphics; 
      }
    }

    /// <summary>The Width of the page.</summary>
    public int Width {
      get {
        _document.Doc.Page = _id;
        return (int)_document.Doc.MediaBox.Width; 
      }
    }

    /// <summary>The Height of the page.</summary>
    public int Height {
      get {
        _document.Doc.Page = _id;
        return (int)_document.Doc.MediaBox.Height; 
      }
    }

    #endregion
    
    #region Constructors
    /// <summary>Page constructor.</summary>
    /// <param name="page">The PDFDocument instance.</param>
    internal Page(PDFDocument doc) {
      if (doc == null || doc.Doc == null)
        throw new ApplicationException("Invalid document ptr");

      _document = doc;

      _graphics = new Drawing.Graphics(this);
      _id = _document.Doc.AddPage();

      _document.Doc.Page = _id;
      _document.Doc.Rect.SetRect(_document.Doc.MediaBox);
      _document.Doc.Color.SetRgb(0, 0, 0);
    }
    
    /// <summary>Page constructor.</summary>
    /// <param name="index">The zero-based index at which Page should be inserted.</param>
    /// <param name="doc">The PDFDocument instance.</param>
    internal Page(int index, PDFDocument doc) {
      if (doc == null || doc.Doc == null)
        throw new ApplicationException("Invalid document ptr");

      _document = doc;

      _graphics = new Drawing.Graphics(this);
      _id = _document.Doc.AddPage(index);

      _document.Doc.Page = _id;
      _document.Doc.Rect.SetRect(_document.Doc.MediaBox);
      _document.Doc.Color.SetRgb(0, 0, 0);
    }
    #endregion
  }
  #endregion
}