{

public class PDFCreator

{

// Set up the fonts to be used on the pages

private iTextSharp.text.Font _largeFont = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.HELVETICA, 18, iTextSharp.text.Font.BOLD, iTextSharp.text.BaseColor.BLACK);

private iTextSharp.text.Font _standardFont = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.HELVETICA, 14, iTextSharp.text.Font.NORMAL, iTextSharp.text.BaseColor.BLACK);

private iTextSharp.text.Font _smallFont = new iTextSharp.text.Font(iTextSharp.text.Font.FontFamily.HELVETICA, 10, iTextSharp.text.Font.NORMAL, iTextSharp.text.BaseColor.BLACK);

public void Build()

{

iTextSharp.text.Document doc = null;

try

{

// Initialize the PDF document

doc = new Document();

iTextSharp.text.pdf.PdfWriter writer = iTextSharp.text.pdf.PdfWriter.GetInstance(doc,

new System.IO.FileStream(System.IO.Directory.GetCurrentDirectory() + "\\ScienceReport.pdf",

System.IO.FileMode.Create));

// Set the margins and page size

this.SetStandardPageSize(doc);

// Add metadata to the document. This information is visible when viewing the

// document properities within Adobe Reader.

doc.AddTitle("My Science Report");

doc.AddHeader("title", "My Science Report");

doc.AddHeader("author", "M. Lichtenberg");

doc.AddCreator("M. Lichtenberg");

doc.AddKeywords("paper airplanes");

doc.AddHeader("subject", "paper airplanes");

// Add Xmp metadata to the document.

this.CreateXmpMetadata(writer);

// Open the document for writing content

doc.Open();

// Add pages to the document

this.AddPageWithBasicFormatting(doc);

this.AddPageWithInternalLinks(doc);

this.AddPageWithBulletList(doc);

// Add a page with an image to the document. The page will be sized to match the image size.

this.AddPageWithImage(doc, System.IO.Directory.GetCurrentDirectory() + "\\FinalGraph.jpg");

// Add a final page

this.SetStandardPageSize(doc); // Reset the margins and page size

this.AddPageWithExternalLinks(doc);

// Add page labels to the document

iTextSharp.text.pdf.PdfPageLabels pdfPageLabels = new iTextSharp.text.pdf.PdfPageLabels();

pdfPageLabels.AddPageLabel(1, iTextSharp.text.pdf.PdfPageLabels.EMPTY, "Basic Formatting");

pdfPageLabels.AddPageLabel(2, iTextSharp.text.pdf.PdfPageLabels.EMPTY, "Internal Links");

pdfPageLabels.AddPageLabel(3, iTextSharp.text.pdf.PdfPageLabels.EMPTY, "Bullet List");

pdfPageLabels.AddPageLabel(4, iTextSharp.text.pdf.PdfPageLabels.EMPTY, "Image");

pdfPageLabels.AddPageLabel(5, iTextSharp.text.pdf.PdfPageLabels.EMPTY, "External Links");

writer.PageLabels = pdfPageLabels;

}

catch (iTextSharp.text.DocumentException dex)

{

// Handle iTextSharp errors

}

finally

{

// Clean up

doc.Close();

doc = null;

}

}

/// <summary>

/// Add the header page to the document. This shows an example of a page containing

/// both text and images. The contents of the page are centered and the text is of

/// various sizes.

/// </summary>

/// <param name="doc"></param>

private void AddPageWithBasicFormatting(iTextSharp.text.Document doc)

{

// Write page content. Note the use of fonts and alignment attributes.

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new iTextSharp.text.Chunk("\n\n"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("MY SCIENCE PROJECT\n\n"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _standardFont, new Chunk("by M. Lichtenberg"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("\n\n\n"));

// Add a logo

String appPath = System.IO.Directory.GetCurrentDirectory();

iTextSharp.text.Image logoImage = iTextSharp.text.Image.GetInstance(appPath + "\\PaperAirplane.jpg");

logoImage.Alignment = iTextSharp.text.Element.ALIGN_CENTER;

doc.Add(logoImage);

logoImage = null;

// Write additional page content

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("\n\n\n"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("What kind of paper is the best for making paper airplanes?"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("\n\n\n\n\n"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _smallFont, new Chunk("Generated " +

DateTime.Now.Day.ToString() + " " +

System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(DateTime.Now.Month) + " " +

DateTime.Now.Year.ToString() + " " +

DateTime.Now.ToShortTimeString()));

}

/// <summary>

/// Add a blank page to the document.

/// </summary>

/// <param name="doc"></param>

private void AddPageWithInternalLinks(iTextSharp.text.Document doc)

{

// Generate links to be embedded in the page

Anchor researchAnchor = new Anchor("Research & Hypothesis\n\n", _standardFont);

researchAnchor.Reference = "#research"; // this link references a named anchor within the document

Anchor graphAnchor = new Anchor("Graph\n\n", _standardFont);

graphAnchor.Reference = "#graph";

Anchor resultsAnchor = new Anchor("Results & Bibliography", _standardFont);

resultsAnchor.Reference = "#results";

// Add a new page to the document

doc.NewPage();

// Add heading text to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new iTextSharp.text.Chunk("TABLE OF CONTENTS\n\n\n\n\n"));

// Add the links to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _standardFont, researchAnchor);

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _standardFont, graphAnchor);

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _standardFont, resultsAnchor);

}

/// <summary>

/// Add a page that includes a bullet list.

/// </summary>

/// <param name="doc"></param>

private void AddPageWithBulletList(iTextSharp.text.Document doc)

{

// Add a new page to the document

doc.NewPage();

// The header at the top of the page is an anchor linked to by the table of contents.

iTextSharp.text.Anchor contentsAnchor = new iTextSharp.text.Anchor("RESEARCH\n\n", _largeFont);

contentsAnchor.Name = "research";

// Add the header anchor to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, contentsAnchor);

// Create an unordered bullet list. The 10f argument separates the bullet from the text by 10 points

iTextSharp.text.List list = new iTextSharp.text.List(iTextSharp.text.List.UNORDERED, 10f);

list.SetListSymbol("\u2022"); // Set the bullet symbol (without this a hypen starts each list item)

list.IndentationLeft = 20f; // Indent the list 20 points

list.Add(new ListItem("Lift, thrust, drag, and gravity are the four forces that act on a plane.", _standardFont));

list.Add(new ListItem("A plane should be light to help fight against gravity's pull to the ground.", _standardFont));

list.Add(new ListItem("Gravity will have less effect on a plane built from the lightest materials available.", _standardFont));

list.Add(new ListItem("In order to fly well, airplanes must be stable.", _standardFont));

list.Add(new ListItem("A plane that is unstable will either pitch up into a stall, or nose-dive.", _standardFont));

doc.Add(list); // Add the list to the page

// Add some white space and another heading

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("\n\n\n"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("HYPOTHESIS\n\n"));

// Add some final text to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_LEFT, _standardFont, new Chunk("Given five paper airplanes made out of newspaper, printer paper, construction paper, paper towel, and posterboard, the airplane made out of printer paper will fly the furthest."));

}

/// <summary>

/// Add a page containing a single image. Set the page size to match the image size.

/// </summary>

/// <param name="doc"></param>

/// <param name="imagePath"></param>

private void AddPageWithImage(iTextSharp.text.Document doc, String imagePath)

{

// Read the image file

iTextSharp.text.Image image = iTextSharp.text.Image.GetInstance(new Uri(imagePath));

// Set the page size to the dimensions of the image BEFORE adding a new page to the document.

// Pad the height a bit to leave room for the page header.

float imageWidth = image.Width;

float imageHeight = image.Height;

doc.SetMargins(0, 0, 0, 0);

doc.SetPageSize(new iTextSharp.text.Rectangle(imageWidth, imageHeight + 100));

// Add a new page

doc.NewPage();

// The header at the top of the page is an anchor linked to by the table of contents.

iTextSharp.text.Anchor contentsAnchor = new iTextSharp.text.Anchor("\nGRAPH\n\n", _largeFont);

contentsAnchor.Name = "graph";

// Add the anchor and image to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, contentsAnchor);

doc.Add(image);

image = null;

}

/// <summary>

/// Add a page that contains embedded hyperlinks to external resources

/// </summary>

/// <param name="doc"></param>

private void AddPageWithExternalLinks(Document doc)

{

// Generate external links to be embedded in the page

iTextSharp.text.Anchor bibliographyAnchor1 = new Anchor("http://teacher.scholastic.com/paperairplane/airplane.htm", _standardFont);

bibliographyAnchor1.Reference = "http://teacher.scholastic.com/paperairplane/airplane.htm";

Anchor bibliographyAnchor2 = new Anchor("http://www.eecs.berkeley.edu/Programs/doublex/spring02/paperairplane.html", _standardFont);

bibliographyAnchor1.Reference = "http://www.eecs.berkeley.edu/Programs/doublex/spring02/paperairplane.html";

Anchor bibliographyAnchor3 = new Anchor("http://www.exo.net/~pauld/activities/flying/PaperAirplaneScience.html", _standardFont);

bibliographyAnchor1.Reference = "http://www.exo.net/~pauld/activities/flying/PaperAirplaneScience.html";

Anchor bibliographyAnchor4 = new Anchor("http://www.littletoyairplanes.com/theoryofflight/02whyplanes.html", _standardFont);

bibliographyAnchor4.Reference = "http://www.littletoyairplanes.com/theoryofflight/02whyplanes.html";

// The header at the top of the page is an anchor linked to by the table of contents.

iTextSharp.text.Anchor contentsAnchor = new iTextSharp.text.Anchor("RESULTS\n\n", _largeFont);

contentsAnchor.Name = "results";

// Add a new page to the document

doc.NewPage();

// Add text to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, contentsAnchor);

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_LEFT, _standardFont, new Chunk("My hypothesis was incorrect. The paper airplane made out of construction paper flew the furthest."));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("\n\n\n"));

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_CENTER, _largeFont, new Chunk("BIBLIOGRAPHY\n\n"));

// Add the links to the page

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_LEFT, _standardFont, bibliographyAnchor1);

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_LEFT, _standardFont, bibliographyAnchor2);

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_LEFT, _standardFont, bibliographyAnchor3);

this.AddParagraph(doc, iTextSharp.text.Element.ALIGN_LEFT, _standardFont, bibliographyAnchor4);

}

/// <summary>

/// Set margins and page size for the document

/// </summary>

/// <param name="doc"></param>

private void SetStandardPageSize(iTextSharp.text.Document doc)

{

// Set margins and page size for the document

doc.SetMargins(50, 50, 50, 50);

// There are a huge number of possible page sizes, including such sizes as

// EXECUTIVE, POSTCARD, LEDGER, LEGAL, LETTER_LANDSCAPE, and NOTE

doc.SetPageSize(new iTextSharp.text.Rectangle(iTextSharp.text.PageSize.LETTER.Width,

iTextSharp.text.PageSize.LETTER.Height));

}

/// <summary>

/// Add a paragraph object containing the specified element to the PDF document.

/// </summary>

/// <param name="doc">Document to which to add the paragraph.</param>

/// <param name="alignment">Alignment of the paragraph.</param>

/// <param name="font">Font to assign to the paragraph.</param>

/// <param name="content">Object that is the content of the paragraph.</param>

private void AddParagraph(Document doc, int alignment, iTextSharp.text.Font font, iTextSharp.text.IElement content)

{

Paragraph paragraph = new Paragraph();

paragraph.SetLeading(0f, 1.2f);

paragraph.Alignment = alignment;

paragraph.Font = font;

paragraph.Add(content);

doc.Add(paragraph);

}

/// <summary>

/// Use this method to write XMP data to a new PDF

/// </summary>

/// <param name="writer"></param>

private void CreateXmpMetadata(iTextSharp.text.pdf.PdfWriter writer)

{

// Set up the buffer to hold the XMP metadata

byte[] buffer = new byte[65536];

System.IO.MemoryStream ms = new System.IO.MemoryStream(buffer, true);

try

{

// XMP supports a number of different schemas, which are made available by iTextSharp.

// Here, the Dublin Core schema is chosen.

iTextSharp.text.xml.xmp.XmpSchema dc = new iTextSharp.text.xml.xmp.DublinCoreSchema();

// Add Dublin Core attributes

iTextSharp.text.xml.xmp.LangAlt title = new iTextSharp.text.xml.xmp.LangAlt();

title.Add("x-default", "My Science Project");

dc.SetProperty(iTextSharp.text.xml.xmp.DublinCoreSchema.TITLE, title);

// Dublin Core allows multiple authors, so we create an XmpArray to hold the values

iTextSharp.text.xml.xmp.XmpArray author = new iTextSharp.text.xml.xmp.XmpArray(iTextSharp.text.xml.xmp.XmpArray.ORDERED);

author.Add("M. Lichtenberg");

dc.SetProperty(iTextSharp.text.xml.xmp.DublinCoreSchema.CREATOR, author);

// Multiple subjects are also possible, so another XmpArray is used

iTextSharp.text.xml.xmp.XmpArray subject = new iTextSharp.text.xml.xmp.XmpArray(iTextSharp.text.xml.xmp.XmpArray.UNORDERED);

subject.Add("paper airplanes");

subject.Add("science project");

dc.SetProperty(iTextSharp.text.xml.xmp.DublinCoreSchema.SUBJECT, subject);

// Create an XmpWriter using the MemoryStream defined earlier

iTextSharp.text.xml.xmp.XmpWriter xmp = new iTextSharp.text.xml.xmp.XmpWriter(ms);

xmp.AddRdfDescription(dc); // Add the completed metadata definition to the XmpWriter

xmp.Close(); // This flushes the XMP metadata into the buffer

//---------------------------------------------------------------------------------

// Shrink the buffer to the correct size (discard empty elements of the byte array)

int bufsize = buffer.Length;

int bufcount = 0;

foreach (byte b in buffer)

{

if (b == 0) break;

bufcount++;

}

System.IO.MemoryStream ms2 = new System.IO.MemoryStream(buffer, 0, bufcount);

buffer = ms2.ToArray();

//---------------------------------------------------------------------------------

// Add all of the XMP metadata to the PDF doc that we're building

writer.XmpMetadata = buffer;

}

catch (Exception ex)

{

throw ex;

}

finally

{

ms.Close();

ms.Dispose();

}

}

}