public static IEnumerable <BookMarkItem> GetBookMarks(byte[] pdfData)
{
using (MemoryStream ms = new MemoryStream())
{
SimpleBookmark.ExportToXML(SimpleBookmark.GetBookmark(new PdfReader(new RandomAccessFileOrArray(pdfData), null)), ms, "UTF-8", false);
ms.Position = 0;
var sl = new List <BookMarkItem>();
using (XmlReader xr = XmlReader.Create(ms))
{
xr.MoveToContent();
string page = null;
string action = null;
string text = null;
var re = new Regex(@"(^\d+).(\D*\d*\D*\d*.\d*\W\d*)");
while (xr.Read())
{
//Filter by the nodes with depth 1 to remove the report name from toc
if (xr.NodeType == XmlNodeType.Element && xr.Name == "Title" && xr.IsStartElement() && xr.Depth != 1)
{
// extract page number from 'Page' attribute
if (xr.GetAttribute("Page") != null)
{
var parts = re.Match(xr.GetAttribute("Page"));
page = parts.Groups[1].Value;
action = parts.Groups[2].Value;
}
xr.Read();
if (xr.NodeType == XmlNodeType.Text)
{
text = xr.Value.Trim();
if (text != null && page != null)
{
sl.Add(new BookMarkItem
{
Page = Convert.ToInt32(page),
Title = text,
Level = xr.Depth - 3,
Action = action
});
}
}
}
}
return(sl);
}
}
}
// ---------------------------------------------------------------------------
/**
* Creates an XML file with the bookmarks of a PDF file
* @param pdfIn the byte array with the document
*/
public string CreateXml(byte[] pdfIn)
{
PdfReader reader = new PdfReader(pdfIn);
var list = SimpleBookmark.GetBookmark(reader);
using (MemoryStream ms = new MemoryStream()) {
SimpleBookmark.ExportToXML(list, ms, "ISO8859-1", true);
ms.Position = 0;
using (StreamReader sr = new StreamReader(ms)) {
return(sr.ReadToEnd());
}
}
}
private static IEnumerable <Bookmark> GetPdfBookmark(FileInfo docFile, bool diagrama = false, string tituloDiagrama = null)
{
var listBookmarks = new List <Bookmark>();
if (diagrama)
{
listBookmarks.Add(new Bookmark //default primeiro bookmark é o nome do próprio documento
{
Title = tituloDiagrama.ToLower().IndexOf("diagrama") > -1 ? tituloDiagrama : $"Diagrama {tituloDiagrama}",
PathAndPage = $"{docFile.FullName}"
});
return(listBookmarks);
}
else
{
listBookmarks.Add(new Bookmark //default primeiro bookmark é o nome do próprio documento
{
Title = docFile.Name,
PathAndPage = $"{docFile.FullName}"
});
}
PdfReader reader = new PdfReader(docFile.FullName);
IList <Dictionary <string, object> > bookmarks = SimpleBookmark.GetBookmark(reader);
using (MemoryStream memoryStream = new MemoryStream())
{
SimpleBookmark.ExportToXML(bookmarks, memoryStream, "ISO8859-1", true);
XDocument xml = XDocument.Parse(Encoding.ASCII.GetString(memoryStream.ToArray()));
foreach (var node in xml.Descendants("Title"))
{
string Title = node.HasElements == true?node.FirstNode.ToString() : (string)node;
string Page = (string)node.Attribute("Page");
listBookmarks.Add(new Bookmark
{
Title = Title.TrimEnd('\r', '\n', ' '),
PathAndPage = $"{docFile.FullName}#page={Page.Split(' ')[0]}"
});
}
//File.WriteAllBytes(docFile.FullName.Replace(".pdf", ".xml"), memoryStream.ToArray());
}
return(listBookmarks);
}
/// <summary>
/// Generate PDF To Content
/// </summary>
/// <param name="content"></param>
/// <param name="html"></param>
/// <returns></returns>
public byte[] GeneratePDFTOCContent(byte[] content, string html)
{
var reader = new PdfReader(content);
var sb = new StringBuilder();
// Title of PDF
sb.Append("<h2><strong style='text-align:center'>Demo for Load More Button in Kendo UI Grid</strong></h2><br>");
// Begin to create TOC
sb.Append("<table>");
sb.Append(string.Format("<tr><td width='80%'><strong>{0}</strong></td><td align='right' width='10%'><strong>{1}</strong></td></tr>", "Section", "Page"));
using (var ms = new MemoryStream())
{
// XML document generated by iText
SimpleBookmark.ExportToXML(SimpleBookmark.GetBookmark(reader), ms, "UTF-8", false);
// rewind to create xmlreader
ms.Position = 0;
using (var xr = XmlReader.Create(ms))
{
xr.MoveToContent();
const string format = @"<tr><td width='80%'>{0}</td><td align='right' width='10%'>{1}</td></tr>";
// extract page number from 'Page' attribute
var re = new Regex(@"^\d+");
while (xr.Read())
{
if (xr.NodeType != XmlNodeType.Element || xr.Name != "Title" || !xr.IsStartElement())
{
continue;
}
var page = re.Match(xr.GetAttribute("Page")).Captures[0].Value;
xr.Read();
if (xr.NodeType != XmlNodeType.Text)
{
continue;
}
var text = xr.Value.Trim();
var pageSection = int.Parse(page) + 1;
sb.Append(string.Format(format, text, pageSection));
}
}
}
sb.Append("</table>");
var workStream = new MemoryStream();
var document = new Document(reader.GetPageSizeWithRotation(1));
var writer = PdfWriter.GetInstance(document, workStream);
writer.CloseStream = false;
document.Open();
document.NewPage();
// Add TOC
var styles = new StyleSheet();
styles.LoadTagStyle("h2", HtmlTags.HORIZONTALALIGN, "center");
styles.LoadTagStyle("h2", HtmlTags.COLOR, "#F90");
foreach (IElement element in HTMLWorker.ParseToList(new StringReader(sb.ToString()), styles))
{
document.Add(element);
}
// Append your chapter content again
var chapter = CreateChapterContent(html);
document.Add(chapter);
document.Close();
writer.Close();
var byteInfo = workStream.ToArray();
workStream.Write(byteInfo, 0, byteInfo.Length);
workStream.Position = 0;
return(byteInfo);
}
/// <summary>
/// Generate PDF To Content
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public byte[] GeneratePDFTOCContent(byte[] content, string html)
{
var reader = new PdfReader(content);
StringBuilder sb = new StringBuilder();
// Title of PDF
sb.Append("<h2><strong style='text-align:center'> Demo for Load More Button in Kendo UI Grid </ strong ></ h2 >< br > ");
// Begin to create TOC
// Begin to create TOC
sb.Append("<table>");
sb.Append(("<tr><td width='80%'><strong>{ 0}</strong ></td><td align = 'right' width = '10%'><strong >{1}</strong ></td></tr> "));
using (MemoryStream ms = new MemoryStream())
{
// XML document generated by iText
SimpleBookmark.ExportToXML(SimpleBookmark.GetBookmark(reader), ms, "UTF-8", false);
// rewind to create xmlreader
ms.Position = 0;
using (XmlReader xr = XmlReader.Create(ms))
{
xr.MoveToContent();
string page = null;
string text = null;
string format = @"<tr><td width='80%'>{0}</td>
<td align='right' width='10%'>{1}</td></tr>";
// extract page number from 'Page' attribute
Regex re = new Regex(@"^\d+");
while (xr.Read())
{
if (xr.NodeType == XmlNodeType.Element &&
xr.Name == "Title" && xr.IsStartElement())
{
page = re.Match(xr.GetAttribute("Page")).Captures[0].Value;
xr.Read();
if (xr.NodeType == XmlNodeType.Text)
{
text = xr.Value.Trim();
int pageSection = int.Parse(page) + 1;
sb.Append(String.Format(format, text, pageSection.ToString()));
}
}
}
}
}
sb.Append("</table>");
MemoryStream workStream = new MemoryStream();
var document = new Document(reader.GetPageSizeWithRotation(1));
var writer = PdfWriter.GetInstance(document, workStream);
writer.CloseStream = false;
document.Open();
document.NewPage();
// Add TOC
//StyleSheet styles = new StyleSheet();
//styles.LoadTagStyle("h2", HtmlTags.ALIGN_MIDDLE, "center");
//styles.LoadTagStyle("h2", HtmlTags.COLOR, "#F90");
StyleSheet style = new StyleSheet();
style.LoadTagStyle(HtmlTags.DIV, HtmlTags.WIDTH, "220px");
style.LoadTagStyle(HtmlTags.DIV, HtmlTags.HEIGHT, "80px");
style.LoadTagStyle(HtmlTags.DIV, HtmlTags.BGCOLOR, "@eeeeee");
style.LoadStyle("address", "style", "font-size: 8px; text-align: justify; font-family: Arial, Helvetica, sans-serif;");
style.LoadStyle("largeName", "style", "font-size: 10px; text-align: justify; font-family: Arial, Helvetica, sans-serif;");
style.LoadStyle("description", "style", "font-size: 8px; text-align: justify; font-family: Arial, Helvetica, sans-serif;");
foreach (IElement element in HTMLWorker.ParseToList(new StringReader(sb.ToString()), style))
{
document.Add(element);
}
// Append your chapter content again
Chapter chapter = CreateChapterContent(html);
document.Add(chapter);
document.Close();
writer.Close();
byte[] byteInfo = workStream.ToArray();
workStream.Write(byteInfo, 0, byteInfo.Length);
workStream.Position = 0;
return(byteInfo);
}
