add page numbers to existing PDF

Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic

   Hi,

Andrew is right. If you don't want that your pagenumber is drawn with the last on the page used font, size and color, you should set it inside the loop.

I see no easy way, to embrace the old content of the pages with SaveState and LoadState to prevent your settings for changes.

Werner

Author	Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic
edvoigt Members Profile Find Members Posts Senior Member Joined: 26 Mar 11 Location: Berlin, Germany Status: Offline Points: 111	Post Options Post Reply Quote edvoigt Report Post Thanks(0) Quote Reply Topic: add page numbers to existing PDF Posted: 11 Jan 12 at 1:48PM
	Hi, Andrew is right. If you don't want that your pagenumber is drawn with the last on the page used font, size and color, you should set it inside the loop. I see no easy way, to embrace the old content of the pages with SaveState and LoadState to prevent your settings for changes. Werner

AndrewC Members Profile Find Members Posts Moderator Group Joined: 08 Dec 10 Location: Geelong, Aust Status: Offline Points: 841	Post Options Post Reply Quote AndrewC Report Post Thanks(0) Quote Reply Posted: 11 Jan 12 at 1:13PM
	I believe you need to do this for each page with the drawing commands. SetTextColor(1,0,0); // will set the text color to red. NOTE : Each colour component has a range of 0.0 to 1.0 and not 0 to 255 like many other libraries. Andrew.

jon_bondy Members Profile Find Members Posts Beginner Joined: 10 Jan 12 Location: vermont Status: Offline Points: 2	Post Options Post Reply Quote jon_bondy Report Post Thanks(0) Quote Reply Posted: 11 Jan 12 at 12:33PM
	Andrew - Exactly what I was looking for! Would it also work if the fonts were selected and sized outside of the loop, or must this be done on a per-page basis? In my code I set the text and fill colors, but those changes never took affect: everything appears in black.

AndrewC Members Profile Find Members Posts Moderator Group Joined: 08 Dec 10 Location: Geelong, Aust Status: Offline Points: 841	Post Options Post Reply Quote AndrewC Report Post Thanks(0) Quote Reply Posted: 11 Jan 12 at 10:42AM
	Here is some simple C# code that will add page numbers to each page. To do this properly you should follow some of Ingo's advice as well. You can also check the "Quick PDF Library 8 Developer Guide.pdf" file that is installed with QuickPDF. This has lots of sample code examples. Another option to learn is to read through the FAQ at http://www.quickpdflibrary.com/faq/index.php QP.LoadFromFile("file.pdf"); int id = QP.AddStandardFont(4); for (int i=1;i<=QP.PageCount();i++) { QP.SelectPage(i); QP.NormalizePage(0); QP.SetOrigin(1); QP.SelectFont(id); QP.SetTextSize(12); double ph = QP.PageWidth(); double pw = QP.PaheHeight(); QP.DrawText(pw - 30, ph - 20, "Page" + i.ToString(); } QP.SaveToFile("newfile.pdf");

Ingo Members Profile Find Members Posts Moderator Group Joined: 29 Oct 05 Status: Offline Points: 3524	Post Options Post Reply Quote Ingo Report Post Thanks(0) Quote Reply Posted: 10 Jan 12 at 10:54PM
	Hi Jon! Use the search function on the top right: http://www.quickpdf.org/forum/delete-object_topic2025_post8611.html?KW=page+numbers#8611 Check the draw-functionalities in the online reference. There's not a ready made function doing this. Check the page dimensions. Check the length of your page number string. Don't forget to use SetOrigin. Do some calculations where start drawing. Set font, height, colour ... Paint the top or bottom area in white to hide older/other numbers you don't want. Draw your page number strings on each page. This is the sample you can change with less efforts for your needs: http://www.quickpdflibrary.com/faq/how-to-add-a-header-comprising-of-a-logo-and-a-passed-text-to-each-page-of-an-exi.php Cheers and welcome here, Ingo Edited by Ingo - 11 Jan 12 at 7:30AM

jon_bondy Members Profile Find Members Posts Beginner Joined: 10 Jan 12 Location: vermont Status: Offline Points: 2	Post Options Post Reply Quote jon_bondy Report Post Thanks(0) Quote Reply Posted: 10 Jan 12 at 10:16PM
	The documentation for this product is simply amazing, but I find myself unable to do the simple things! I want to open an existing PDF and write page numbers on each page. Is there an example showing how to access the pages in a PDF after it is opened? Thank you! Jon