chap0111.cs

iTextSharp

using System;
using System.IO;

using iTextSharp.text;
using iTextSharp.text.pdf;



namespace iTextSharp.tutorial.Chap01
{
	/// <summary>
	/// Chap0111 的摘要说明。
	/// </summary>
	public class Chap0111
	{
		public Chap0111()
		{
			Console.WriteLine("Chapter 1 example 11: pause() and resume()");

			// step 1: creation of a document-object
			Document document = new Document();

			try 
			{

				// step 2:
				// we create a writer that listens to the document
				// and directs a PDF-stream to a file

				PdfWriter writerA = PdfWriter.GetInstance(document, new FileStream("Chap0111a.pdf", FileMode.Create));

				PdfWriter writerB = PdfWriter.GetInstance(document, new FileStream("Chap0111b.pdf", FileMode.Create));

				// step 3:

				// we Add a Watermark that will show up on PAGE 1

				writerB.Pause();
				try 
				{
					Watermark watermark = new Watermark(Image.GetInstance("watermark.jpg"), 200, 420);
					document.Add(watermark);
				}
				catch 
				{
					Console.Error.WriteLine("Are you sure you have the file 'watermark.jpg' in the right path?");
				}

				writerB.Resume();

				// we Add a Header that will show up on PAGE 1
				HeaderFooter header = new HeaderFooter(new Phrase("This is a header"), false);
				document.Header = header;

				// we open the document
				document.Open();

				// we rotate the page, starting from PAGE 2
				document.SetPageSize(PageSize.A4.Rotate());

				// we need to change the position of the Watermark
				try 
				{
					Watermark watermark = new Watermark(Image.GetInstance("watermark.jpg"), 320, 200);
					document.Add(watermark);
				}
				catch 
				{
					Console.Error.WriteLine("Are you sure you have the file 'watermark.jpg' in the right path?");
				}

				// we Add a Footer that will show up on PAGE 2
				HeaderFooter footer = new HeaderFooter(new Phrase("This is page: "), true);
				document.Footer = footer;

				// step 4: we Add content to the document

				// PAGE 1

				document.Add(new Paragraph("Hello World"));

				// we trigger a page break
				document.NewPage();

				// PAGE 2

				// we Add some more content
				document.Add(new Paragraph("Hello Earth"));

				// we remove the header starting from PAGE 3

				writerA.Pause();
				document.ResetHeader();

				writerA.Resume();

				// we trigger a page break
				document.NewPage();

				// PAGE 3

				// we Add some more content
				document.Add(new Paragraph("Hello Sun"));

				writerA.Pause();
				document.Add(new Paragraph("Remark: the header has vanished!"));

				writerA.Resume();

				// we reset the page numbering

				writerB.Pause();
				document.ResetPageCount();

				writerB.Resume();

				// we trigger a page break
				document.NewPage();

				// PAGE 4

				// we Add some more content
				document.Add(new Paragraph("Hello Moon"));

				writerB.Pause();
				document.Add(new Paragraph("Remark: the pagenumber has been reset!"));

				writerB.Resume();

			}
			catch(DocumentException de) 
			{
				Console.Error.WriteLine(de.Message);
			}
			catch(IOException ioe) 
			{
				Console.Error.WriteLine(ioe.Message);
			}

			// step 5: we close the document
			document.Close();

		}
	}
}