chap0108.cs

iTextSharp

using System;
using System.IO;

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


namespace iTextSharp.tutorial.Chap01
{
	/// <summary>
	/// Chap0108 的摘要说明。
	/// </summary>
	public class Chap0108
	{
		public Chap0108()
		{
			Console.WriteLine("Chapter 1 example 8: Viewerpreferences");
        
			// 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("Chap0108a.pdf", FileMode.Create));
				writerA.ViewerPreferences=PdfWriter.PageLayoutTwoColumnLeft;
				
				PdfWriter writerB = PdfWriter.GetInstance(document, new FileStream("Chap0108b.pdf", FileMode.Create));
				writerB.ViewerPreferences=PdfWriter.HideMenubar | PdfWriter.HideToolbar;
				PdfWriter writerC = PdfWriter.GetInstance(document, new FileStream("Chap0108c.pdf", FileMode.Create));
				writerC.ViewerPreferences=PdfWriter.PageLayoutTwoColumnLeft | PdfWriter.PageModeFullScreen | PdfWriter.NonFullScreenPageModeUseThumbs;
            
				// step 3:
            
				// we Add a Watermark that will show up on PAGE 1
				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?");
				}
            
				// 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
				document.ResetHeader();
            
				// we trigger a page break
				document.NewPage();
            
				// PAGE 3
            
				// we Add some more content
				document.Add(new Paragraph("Hello Sun"));
				document.Add(new Paragraph("Remark: the header has vanished!"));
            
				// we reset the page numbering
				document.ResetPageCount();
            
				// we trigger a page break
				document.NewPage();
            
				// PAGE 4
            
				// we Add some more content
				document.Add(new Paragraph("Hello Moon"));
				document.Add(new Paragraph("Remark: the pagenumber has been reset!"));
            
			}
			catch(DocumentException de) 
			{
				Console.Error.WriteLine(de.Message);
			}
			catch(IOException ioe) 
			{
				Console.Error.WriteLine(ioe.Message);
			}
        
			// step 5: we close the document
			document.Close();

		}
	}
}