pdf

Django - JS : How to display the first PDF page as cover

馋奶兔 提交于 2021-02-19 07:14:09
问题 I would like to improve my script in order to set PDF cover page for each object when user sets the mouve over the object on the template. Actual process: Up to now, I can upload .pdf and .epub file formats according to an object with some additionnals fields : title , language ... The PDF is stored into media directory in my project. In the main page, I display all objects like this : As you can see in the end of each publication, there is a glyphicon which let, up to now, to display inside

Node.js binary to PDF

筅森魡賤 提交于 2021-02-19 06:48:19
问题 I have got a express server, which creates a pdf file. I am trying to send this file to the client: const fs = require('fs'); function download(req, res) { var filePath = '/../../myPdf.pdf'; fs.readFile(__dirname + filePath, function(err, data) { if (err) throw new Error(err); console.log('yeyy, no errors :)'); if (!data) throw new Error('Expected data, but got', data); console.log('got data', data); res.contentType('application/pdf'); res.send(data); }); } On the client I want to download it

Node.js binary to PDF

假如想象 提交于 2021-02-19 06:48:13
问题 I have got a express server, which creates a pdf file. I am trying to send this file to the client: const fs = require('fs'); function download(req, res) { var filePath = '/../../myPdf.pdf'; fs.readFile(__dirname + filePath, function(err, data) { if (err) throw new Error(err); console.log('yeyy, no errors :)'); if (!data) throw new Error('Expected data, but got', data); console.log('got data', data); res.contentType('application/pdf'); res.send(data); }); } On the client I want to download it

PostScript - table of hyperlinks but only one link being used for all

孤者浪人 提交于 2021-02-19 05:47:03
问题 The requirement is to show some text in a pdf which has a hyperlink underneath to a site/pdf/etc - similar to HTML where you will see please click here and here opens up a link. I'm using PlanetPress to create the pdf, which basiclly is PostScript code with added vitamins and iron. Acrobat automatically creates links when http:// is found within the text, as a consequence PlanetPress does not handle links directly (because they are created automatically by Acrobat). I can create static links

PdfRendering zoom on page

三世轮回 提交于 2021-02-19 04:17:55
问题 I'm working on a project where I need to display PDF content inside our application. I'm trying to use PdfRenderer of Android API. For now, I'm able to show a pdf page as bitmap and move between all other pages. But I don't understand how to implement zoom on a page. I mean I know how to zoom an image, but for pdf it needs to be recalculated at every zoom level (such as tile ?). On zoom I need to recalculate Bitmap with correct Rect and Matrix I guess, that's the point I'm missing. Does some

How to open base64 encoded pdf in javascript

家住魔仙堡 提交于 2021-02-19 02:33:08
问题 var ajaxSettings = { url: urls.orders.list+"/"+singlePacket.requests[0].order_id+"/labels", //request labels the status will change to ShipperAssigned type: "GET", contentType: "application/json", headers: { "Authorization": "Bearer " + api.access_token }, success: function (resp) { if (resp != null) { var d = btoa(unescape(encodeURIComponent(resp))); console.log(d); if(d != null) window.open('data:application/pdf;base64, ' + d); } }, error: function (jqXhr, textstatus, errorThrown) { console

How to validate PDF form?

醉酒当歌 提交于 2021-02-18 21:32:06
问题 I have a writeable PDF form made in Acrobat Professional. I want to validate that a numerical entry is in a certain range [a,b]. If it is not, I want an alert to pop up with the message, "Please contact Larry at XXX-XXX-XXXX to get your form processed." Can someone write up a quick snippet of code that does this for a PDF? I know how to do it for a web form. 回答1: You could do something like this: if (event.value > 3 && event.value < 10) { event.rc = false; app.alert({ cMsg: "Please contact

GraphicsMagic is unable to identify background transparency of PDF

和自甴很熟 提交于 2021-02-18 18:54:59
问题 GM is unable to identify background transparency of PDF and PNG created using "gm convert" gets white background while same PDF is converted to PNG with transparent background by IM. $convert -verbose /var/tmp/abc.pdf /var/tmp/abc.png /var/tmp/magick-16370Tq7WYv5U54Pa1 PNG 288x720 288x720+0+0 8-bit sRGB 20.7KB 0.000u 0:00.009 /var/tmp/abc.pdf PDF 288x720 288x720+0+0 16-bit sRGB 20.7KB 0.000u 0:00.000 /var/tmp/abc.pdf=>/var/tmp/abc.png PDF 288x720 288x720+0+0 8-bit sRGB 17c 16.6KB 0.010u 0:00

GraphicsMagic is unable to identify background transparency of PDF

时间秒杀一切 提交于 2021-02-18 18:54:36
问题 GM is unable to identify background transparency of PDF and PNG created using "gm convert" gets white background while same PDF is converted to PNG with transparent background by IM. $convert -verbose /var/tmp/abc.pdf /var/tmp/abc.png /var/tmp/magick-16370Tq7WYv5U54Pa1 PNG 288x720 288x720+0+0 8-bit sRGB 20.7KB 0.000u 0:00.009 /var/tmp/abc.pdf PDF 288x720 288x720+0+0 16-bit sRGB 20.7KB 0.000u 0:00.000 /var/tmp/abc.pdf=>/var/tmp/abc.png PDF 288x720 288x720+0+0 8-bit sRGB 17c 16.6KB 0.010u 0:00

Properly add page numbers and total number of pages to PDF using ReportLab

泄露秘密 提交于 2021-02-18 18:15:12
问题 I am trying to create a document that has page numbering of the format "Page x of y". I have tried the NumberedCanvas approach (http://code.activestate.com/recipes/576832/ and also from the forums https://groups.google.com/forum/#!topic/reportlab-users/9RJWbrgrklI) but that conflicts with my clickable Table of Contents (https://www.reportlab.com/snippets/13/). I understood from this post http://two.pairlist.net/pipermail/reportlab-users/2002-May/000020.html that it may be possible using forms