pdf

问题 The bounty expires in 6 days . Answers to this question are eligible for a +50 reputation bounty. Derik81 wants to draw more attention to this question: Just help me get all the fields to get populated with data. Please check out this PDF. It is a fillable PDF form and I wanted to know if there is any way that this pdf can be auto filled, if I have the data to be filled in each box in excel format. I know most of the PDF are in binary format but is that any way to know what is the ID of each

问题 I'm wondering how I can identify headings with differing numerical marking styles with one or more regular expressions assuming sometimes styles overlap between documents. The goal is to extract all the subheadings and data for a specific heading in each file, but these files aren't standardized. Is regular expressions even the right approach here? I'm working on a program that parses a .pdf file and looks for a specific section. Once it finds the section it finds all subsections of that

问题 I have created a ListView in which I would like each item to open a certain .pdf file located in assets/PDFS folder located within my Android App. The following code does not throw any errors, but does not open the file either. Can someone share an idea for the solution? Note that I am using Fragment public class FreshFragment extends Fragment implements OnItemClickListener { ListView lv; String[] titles; public FreshFragment() { } @Override public View onCreateView(LayoutInflater inflater,

问题 I just started reading into PDFMake's documentation to build a document in my Angular app, I've come across some questions like this one but never got an answer. I was wondering if someone knows or could provide a readable example of how to import custom fonts for PDFMake in an Angular application, I've downloaded the files for the "Lato" font, but I have no clue on where to proceed now. I did import the library as shown on the documentation: import pdfMake from 'pdfmake/build/pdfmake';

问题 I'm working on an invoice PDF generator on my Django website. I use xhtml2pdf . It seems to be working but encodings is not correct. There are wrong signs/characters when I use diacritics. This is a view: def render_to_pdf(template_src, context_dict): template = get_template("pdf/pdf.html") context = context_dict html = template.render(context) result = StringIO.StringIO() pdf = pisa.pisaDocument(StringIO.StringIO(html.encode('utf-8'), result) if not pdf.err: return HttpResponse(result

问题 Trying to validate PDF signature isn't working. The PDF were signed by Adobe Acrobat and then trying to verify it with the public key of the client certificate. So I get the public key of the client certificate, hash the PDF and verify if the hash is equal to the pdf signature, but it fails. HttpClientCertificate cert = request.ClientCertificate; X509Certificate2 cert2 = new X509Certificate2(cert.Certificate); PdfReader pdfreader = new PdfReader("path_to_file"); AcroFields fields = pdfreader

问题 Trying to validate PDF signature isn't working. The PDF were signed by Adobe Acrobat and then trying to verify it with the public key of the client certificate. So I get the public key of the client certificate, hash the PDF and verify if the hash is equal to the pdf signature, but it fails. HttpClientCertificate cert = request.ClientCertificate; X509Certificate2 cert2 = new X509Certificate2(cert.Certificate); PdfReader pdfreader = new PdfReader("path_to_file"); AcroFields fields = pdfreader

问题 I am developing a PDF generator by using c++. During in process, i have faced a big problem with image soft mask. I put an image right side of PDF page as like above. The pink bear is a bitmap image and has alpha channel. However, it has not PDF mask yet. After i succeed to put an image right way. i need to find a way to remove black background of the image. (a.k.a alpha processing) I found that there are several options to archive it as like below. monochrome mask. stencil mask. soft mask.

问题 This code works for me, except all my files are on a network drive. In the example below, the code works only if the file is in the root directory ( c:\ ) as an example. Do I have to replace input.pdf with something like d:\hello space folder\filefolder\input.pdf ? I tried this, but got a sleuth of errors saying directory not found. I tried to do netuse and map the network main drive folder, but that didn't work either. gswin32c ^ -q ^ -dNODISPLAY ^ -c "(input.pdf) (r) file runpdfbegin

问题 This code works for me, except all my files are on a network drive. In the example below, the code works only if the file is in the root directory ( c:\ ) as an example. Do I have to replace input.pdf with something like d:\hello space folder\filefolder\input.pdf ? I tried this, but got a sleuth of errors saying directory not found. I tried to do netuse and map the network main drive folder, but that didn't work either. gswin32c ^ -q ^ -dNODISPLAY ^ -c "(input.pdf) (r) file runpdfbegin