pdf-generation

问题 I'm trying to create a PDF Document using iText 7 with below code and my PDF documents contents are overlapping in same page when generated.(i.e in Page 1). I see the document.newPage(); method is missing in iText 7. How can i add pages to my PDF document without using pdfDocumet.copyPages(...) or PDFmerger in itext 7. PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest)); pdfDoc.addNewPage(); Document PageOnedocument = new Document(pdfDoc,PageSize.A4); addPageOneContents(PageOnedocument)

问题 I'm trying to create a PDF Document using iText 7 with below code and my PDF documents contents are overlapping in same page when generated.(i.e in Page 1). I see the document.newPage(); method is missing in iText 7. How can i add pages to my PDF document without using pdfDocumet.copyPages(...) or PDFmerger in itext 7. PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest)); pdfDoc.addNewPage(); Document PageOnedocument = new Document(pdfDoc,PageSize.A4); addPageOneContents(PageOnedocument)

问题 respond_to do |format| format.html format.pdf do grover = Grover.new('http://localhost:3000/generate_report', format: 'A4') pdf = grover.to_pdf File.open(Rails.root.join('report.pdf'),'wb', encoding: 'ascii-8bit') { |f| f.write(pdf)} end end I need to convert my html page to pdf. But i get a "schmooze process fail" and the system hangs when it does grover.to_pdf. It works well on terminal but not in my rails project. 回答1: It sounds like your system is hanging because when you run Rails in

问题 respond_to do |format| format.html format.pdf do grover = Grover.new('http://localhost:3000/generate_report', format: 'A4') pdf = grover.to_pdf File.open(Rails.root.join('report.pdf'),'wb', encoding: 'ascii-8bit') { |f| f.write(pdf)} end end I need to convert my html page to pdf. But i get a "schmooze process fail" and the system hangs when it does grover.to_pdf. It works well on terminal but not in my rails project. 回答1: It sounds like your system is hanging because when you run Rails in

问题 I am looking for the best accurate tool for PDF in Python that works like Jinja does for HTML. What are your suggestions? 回答1: As answered by jbochi, ReportLab is the foundation for almost all Python projects that generate PDF. But for your needs you might want to check out Pisa / xhtml2pdf. You would generate your HTML with a Jinja template and then use Pisa to convert the HTML to PDF. Pisa is built on top of ReportLab. Edit: another option I'd forgotten about is wkhtmltopdf 回答2: Have a look

问题 I'm referring this link for generation of Pie Chart. In this the colors are pre-defined for each data, ie 10 colors for 10 data points. What if I have 11 data points and then there will be no color for that 11th data point. I want something dynamic which should automatically pick a color by itself and plot it on the pie. I found this link and this link, but the colors over here are not catchy and not at all good. Can someone please brief me about how to get catchy colors in pie graph? Thanks

问题 I am writing a Java code to generate a PDF template. In the pdf's header section, I have created a pdfTable which has 7 cells including an image cell (Logo), a text field (Id Number) and remaining 5 cells to populate the actual Id Number. In the output, I should get a bigger image cell (representing the Logo) and Id number cells must be smaller in size than the image cell. Example, as in the below image (Expected Result). However when the template is generated, I am unable populate as

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed last month . In my application there is search form. Results of the search are paginated in back-end and sometimes search may have thousands of results. There is a feature request to enable exporting search results in PDF format. Is it OK to convert search results in front-end or should I

问题 This question already has answers here : PDFBox: How to “flatten” a PDF-form? (10 answers) Closed 2 years ago . I am using PDFBox library to populate PDF forms but I am not able to flatten them. I have already tried the following solutions: PDAcroForm acroForm = docCatalog.getAcroForm(); PDField field = acroForm.getField( name ); field.setReadonly(true); //Solution 1 field.getDictionary().setInt("Ff",1);//Solution 2 But nothing seems to be working. Please suggest a solution for the same. 回答1:

问题 This question already has answers here : PDFBox: How to “flatten” a PDF-form? (10 answers) Closed 2 years ago . I am using PDFBox library to populate PDF forms but I am not able to flatten them. I have already tried the following solutions: PDAcroForm acroForm = docCatalog.getAcroForm(); PDField field = acroForm.getField( name ); field.setReadonly(true); //Solution 1 field.getDictionary().setInt("Ff",1);//Solution 2 But nothing seems to be working. Please suggest a solution for the same. 回答1: