When opening a PDF file that is embedded in an iframe, which PDF viewer is used? Is it the same one that is used when the browser opens a PDF file in a normal way?
Adobe Reader is initiated by the browser when a PDF is requested. Please don't confuse with Adobe Acrobat. The former is free , whereas the latter one is commercial.
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Is there a way to read pdf documents with any api adobe acrobat available without converting to any format such as word/excel?
One can use the Adobe PDF Extract API (mirror) to get access to the content of a PDF file:
Unlock the structure and content elements of any PDF with a web service powered by Adobe Sensei's machine learning.
When a PDF document is protected with a security policy from Adobe LiveCycle ES or Adobe AEM Forms, it can only be opened by Adobe Reader. Here's what it looks like when you try to open it in another PDF viewer.
Microsoft Edge:
Firefox (internally uses PDF.js):
But I have seen secured PDF documents that in other viewers show customised instructions to download and install Adobe Reader. Obviously there is a way to add unprotected content to protected PDF files, that other PDF viewers will display. How can I do it?
Here's an example of a PDF file I'm talking about.
When opened in Adobe Reader:
When opened in Firefox:
I also posted this question on Adobe forums, and someone replied with the correct answer there. AEM Forms has a feature that allows to add cover page to a policy-protected document: https://help.adobe.com/en_US/AEMForms/6.1/RMHelp/WS2d2a17056e219198-31ba356e14172797744-8000.html
I believe the only way to do what you are asking would be to supply the 'custom content' during initial authoring of the PDF with Adobe LiveCycle ES for instance.
(How this is accomplished may be similar to how it works for dynamic XFA content where the page contains some content that non-XFA compliant readers can fallback on to display instead of just erring out.)
But I think the only way to add such content to an existing PDF using non-Adobe software would involve violating the Rights Managment policy the author intended, which is not something you want to do.
As I need to read help-documentation for Stata, I need to set Acrobat as the default PDF viewer. However, compared to Sumatra, the main drawback is that I can no longer obtain the following menu.
Is there a way to create such menu-entries in Acrobat, so that I can open other PDF editors from Acrobat? The use-case is: first, have Stata open the help-file correctly in Acrobat; and in Acrobat, with this file under view, open the same file (and show the same page, at best) in an external PDF viewer.
Is there a way to create such menu-entries in Acrobat, so that I can open other PDF editors from Acrobat?
No. Acrobat does allow menu items to be added via folder level JavaScript but you can't use it to launch other applications in that way. You can cause PDF files to open, but they'd get opened by the default viewer... which is Acrobat... and defeats your purpose.
In my iPad app, I have a button that opens a document using a WebViewController to view the file.
For certain PDF documents that were viewable in iOS4, opening them on iOS5 now crashes the app. The same thing happens in Mail if I try to view these PDF documents that are attached to emails. However, if I tap and hold in Mail and select "Open with Adobe Reader," the document opens successfully.
Is there a way to change what is used to generate the view of the PDF in the WebViewController to use the Adobe Reader viewer, rather than the native PDF viewer?
I would like to do this directly within the same WebViewController, rather than using a UIDocumentInteractionController popover that shows the "Open in Adobe Reader" prompt.
To my knowledge the only way to do this would be if the Adobe Reader had a custom URL Scheme. You could 'intercept' the URL with a PDF extension and re-craft the URL to use the URL Scheme. However, to my knowledge Adobe Reader doesn't provide this URL scheme.
That being said, you can give the user the option to open files with a viewer of their choice (if they save it locally). If Adobe Reader is registered to open PDF files (and I'm sure it is) then you can create an 'Open With' button to determine how it should be opened. It will show all programs that can open a PDF file. For more information on this, check the Apple documentation:
http://developer.apple.com/library/ios/#documentation/FileManagement/Conceptual/DocumentInteraction_TopicsForIOS/Articles/RegisteringtheFileTypesYourAppSupports.html#//apple_ref/doc/uid/TP40010411-SW1
I have looked for weeks and I keep hitting dead ends. I know you can create a text or image link and tell it to "print page" in a browser. But so far, I can't get it to print a document, specifically a pdf. I would like the print dialog to show after the link is clicked and yes, the pdf linked to has been printed.
Why does this seem to be such an impossible feat? I have seen it work in a Flash movie, but since I cannot access the native file I cannot see how it was done.
Any advice?
Thanks.
Many of today's printers support direct PDF printing. Lexmark, HP, Xerox to name a few all have this on most of the 'business' printers. On these devices simply sending the PDF file directly to the device over LPR, port 9100, or some other mechanism will result in a printed document. Some devices even support URLs. I do know that Lexmark had some devices that a URL could be sent to the printer as as long as it had access to the URL it would pull the document and print. In this case it supported basic HTML, JPEG, TIF, and PDF.
Hope this helps.
A PDF must be rendered as an image before it can be printed. Usually when you're printing a PDF file on your desktop you could simply right-click on the file and select Print and if you have Adobe Reader or an alternative application set as your default PDF viewer, then the PDF that you have selected will be opened automatically -- at this stage the PDF is rendered as an image -- and then the printing process will begin.
But if there is no access to a PDF viewer that can render the PDF and then print it, then you won't be able to print the PDF. Usually if you have Adobe Reader, Foxit Reader, etc, installed then when you click on a URL to a PDF then the PDF will open within the PDF viewer within the browser and you will be able to print it.
Alternatively, you could find a PDF SDK that silently renders a PDF as an image and then sends that to the printer, without the need to have a PDF viewer installed on your machine.