pdf

问题 I have a pdf file that I would like to print from my C# app. I was able to figure out in code if the printer is duplex capable but get the pdf to print in duplex from my code. Here is my code for regular simplex printing. I was able to check the metadata of the pdf's print dialog preset to duplex. but it does not work. string verbToUse = "PrintTo"; startInfo.Verb = verbToUse; startInfo.Arguments = workCenterPrinterName.Value.ToString(); Process p = Process.Start(startInfo); p.WaitForExit(5000

问题 I'm using pdf.js library with the recommended default settings: <iframe src="https://myserver.tld/lib/pdf.js/web/viewer.html?file=https://myserver.tld/generator.php?id=1" width="800px" height="600px"> So basicly I use a self-hosted verion of pdf.js and want the default viewer to display a pdf file which is generated by a php-script (https://myserver.tld/generator.php?id=1). It works fine to direct download the pdf file by typing https://myserver.tld/generator.php?id=1 in the browser. Using

问题 I have written the following code to disable the Chrome PDF viewer so that the PDF file can be downloaded automatically in the C:\downloads folder when the link is opened in Chrome. ChromeOptions options = new ChromeOptions(); Map<String, Object> prefs = new HashMap<>(); prefs.put("download.default_directory", "C:\\downloads"); prefs.put("download.prompt_for_download", false); prefs.put("plugins.always_open_pdf_externally", true); options.setExperimentalOption("prefs", prefs); options

问题 I would like to change (or add if it doesn't exist) to a PDF file with multiple pages the setting that will force the PDF to be opened in two page mode (PageLayout : TwoPageLeft for example). I tried with that kind of JavaScript (given with Enfocus FullSwitch as example) : if(($error == null) && ($doc != null)) { try { $outfile = $outfolder + '/' + $filename + ".pdf"; $doc.layout = "TwoPageLeft"; $doc.saveAs( {cPath : $outfile, bCopy : true}); $outfiles.push($outfile); } catch(theError) {

问题 I have to make a pdf document like this. In itext 7, I made columns document by ColumnDocumentRenderer class but i can't made like this. Whole document was separated to two columns. https://riptutorial.com/itext/example/20402/text2pdfcolumns-java--itext-7- Can someonw help me? 回答1: I solved this problem by self. i refer these pages. https://kb.itextpdf.com/home/it7kb/ebooks/itext-7-building-blocks/chapter-2-adding-content-to-a-canvas-or-a-document https://kb.itextpdf.com/home/it7kb/examples

问题 Since markdown does not have any options for centering text, but does allow html inline, I've added a tag which works fine for converting to html, but not to pdf using the pandoc-convert package in atom. How do I convert this file to pdf using pandoc-convert in atom while preserving the centered text. --- geometry: margin=1.5cm --- <center> <h1> My name</h1> My Address myemail.com, my2ndemail.com +1 (999) 999-9999 (cell) </center> #### Markdown Title >Some block quoted text. 回答1: The advice

问题 Trying to find an easier way to grab the table in the pdf embedded in this page or even better, download this pdf into a local drive: My code is below and results are messy... PS: none of the buttons at the bottom of the webpage works unless you use IE, and IE with RSelenium... I have created a code to load the page on IE, can successfully click on any of the buttons to either load the excel file (stuck at the step where it pops up a window to ask me to open or save) or open the pdf on the

问题 I am curious about the zlib data format and trying to understand the zlib header as described in RFC1950 (https://tools.ietf.org/html/rfc1950). I am however new to this kind of low level interpretation and seem to have run afoul with some of my conclusions. I have the following compressed data (from a PDF stream object): b'h\xdebbd\x10`b`Rcb`\xb0ab`\xdc\x0b\xa4\x93\x98\x18\xfe>\x06\xb2\xed\x01\x02\x0c\x00!\xa4\x03\xc4' In python, I have successfully decompressed and re-compressed the data: b

问题 Hi I have a pdf with content as following : - Property Address: 123 Door Form Type: Miscellaneous ABC City Pin - XXX So when I use itextSharp to get the content, it is obtained as follows - Property Address: 123 Door Form Type: Miscellaneous ABC City Pin - XXX The data is mixed since it is in next line. Please suggest a possible way to get the content as required. Thanks Property Address: 123 Door ABC City Pin - XXX Form Type: Miscellaneous 回答1: The following code using iTextSharp helped in

问题 An answer by Nicholas Hamilton specifies how to use colour text in PDF and HTML output from Markdown using an R expression. If I create an RMarkdown document, I get no joy, Warning message is Error in colFmt("MY RED TEXT", "red") : object 'opts_knit' not found Calls: ... inline_exec -> hook_eval -> withVisible -> eval -> eval -> colFmt Execution halted What am I missing? Copy and paste of RMarkdown below: --- title: "test colour" author: "mbn" output: html_document --- ```{r setup, include