itextsharp

问题 Using the answers in How to merge PDFs into a PDF Portfolio?, I've been able to create an PDF portfolio using iTextSharp. However, using Adobe Acrobat I'm able to create folders, and I'm able to put files in those folders. How do I create folders and how do I put files in those folders in a PDF portfolio using iTextSharp? I've tried using a pdf inspector program to see the differences between a portfolio with and without folders, but I haven't been able to see any. I guess I'm looking in the

问题 I am using iTextSharp to generate PDF documents, and save them to disk like this: Document document = new Document(PageSize.LETTER, 50, 50, 80, 50); FileStream fs = new FileStream(Ruta, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite); PdfWriter PDFWriter = PdfWriter.GetInstance(document, fs); EsquemaFormato PageEventHandler = new EsquemaFormato(); PageEventHandler.Title = TitleMiddle; PageEventHandler.TitleHeaderFont = FontFactory.GetFont(BaseFont.HELVETICA, 12, Font.NORMAL)

问题 How to open the PDF file after created using iTextSharp on ASP.Net? I don't want to save it on the server, but directly when the new PDF is generated, it shows on the browser . Is it possible to do that? Here is the example for what I mean: Click here . But on this example, the file directly downloaded. How can I do that? Dim doc1 = New Document() 'use a variable to let my code fit across the page... Dim path As String = Server.MapPath("PDFs") PdfWriter.GetInstance(doc1, New FileStream(path &

问题 Right now I have a form template that has some fields that are prefilled from a database using the iTextSharp library. Users will then fill in the rest of the fields and save the filled out forms. I'll then extract the data and put it in the database. Currently I am able to create the PDFs and they are pre-filling just fine. I'm even able to edit and save them in Adobe Reader on my computer. However I'm finding when anyone else opens those same files, they're not allowed to save the forms.

问题 The Question The PDF toolkit iText(Sharp) has its own vector type, implementing Substract , Dot product Cross product and Multiply , but I do not see an addition of vectors nor a projection of one vector onto antother. Is there a simple way to do that? The context I am implementing an ITextExtractionStrategy that collects text into chunks ( class MyTextChunk ) if they are on the same line renderInfo.GetBaseline() follow closely to avoid concatenating texts from different columns in a table

问题 I am trying to write a GridView, gv to a .pdf file. Having problems with pdfDoc. Response.ContentType = "application/pdf" Response.AddHeader("content-disposition", "attachment;filename=Export.pdf") Response.Cache.SetCacheability(HttpCacheability.NoCache) Dim sw As New StringWriter() Dim hw As New HtmlTextWriter(sw) Dim frm As New HtmlForm() gv.Parent.Controls.Add(frm) frm.Attributes("runat") = "server" frm.Controls.Add(gv) frm.RenderControl(hw) Dim sr As New StringReader(sw.ToString()) Dim

问题 I am trying to write a GridView, gv to a .pdf file. Having problems with pdfDoc. Response.ContentType = "application/pdf" Response.AddHeader("content-disposition", "attachment;filename=Export.pdf") Response.Cache.SetCacheability(HttpCacheability.NoCache) Dim sw As New StringWriter() Dim hw As New HtmlTextWriter(sw) Dim frm As New HtmlForm() gv.Parent.Controls.Add(frm) frm.Attributes("runat") = "server" frm.Controls.Add(gv) frm.RenderControl(hw) Dim sr As New StringReader(sw.ToString()) Dim

问题 My application is MVC4 c#, I am using itextsharp to generate PDF files. To print special characters ≥, I use: string ARIALUNI_TFF = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "ARIALUNI.TTF"); var bf = BaseFont.CreateFont(ARIALUNI_TFF, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); var f = new Font(bf, 10, Font.NORMAL); When I published the application on a shared hosting server, got this error: C:\Windows\Fonts\ARIALUNI.TTF not found as file or resource. Copied the

问题 my goal is to move text in a PDF around, which is within a certain rectangular area. There is an existing Item on stackoverflow, which already got me close to achiving this: iText or iTextSharp rudimentary text edit However, I would be back at manipulating the PDF on a very basic level. Is there a chance to use higher level facilities of itext to alter the position of the text? I'm afraid there is no simple solution, but I'd be happy to get some suggestions. PS: Also keep in mind that I want

问题 I am using iTextSharp to extract data from pdfs. I stumbled across the following problem, depicted by the scenario below: I created a sample excel file to illustrate. Here is what it looks like: I convert it to a pdf, using one of the many free online converters available out there, which generates a pdf looking like (when I generated the pdf I did not apply the styling to the excel): Now, using iTextSharp to extract the data from the pdf, returns me the following string as the data extracted