Bug #26596 for CAM-PDF: Fwd: Bug ID 5127826:PDF file from save as PDF print sheet is corrupt says CAM::PDF developer

>> From: devbugs@apple.com >> Date: 24 april 2007 1:42:20 GMT+02:00 >> To: johan@netsense.nl >> Subject: Bug ID 5127826:PDF file from save as PDF print sheet is >> corrupt says CAM::PDF developer >> >> Hello, >> >> This is a follow-up to Bug ID# 5127826. We have received the >> following update regarding this bug: >> >> Engineering has determined that this issue originates with CAM::PDF >> creating incorrect PDFs. Please feel free to contact the developer >> regarding this issue to help alert them of its importance. >> >> We have closed this report as resolved. Thank you for taking the >> time to notify us of this issue. >> >> Best Regards, >> >> Jeff Lemas >> Apple Developer Connection >> Worldwide Developer Relations >> -------------------------------- >> WWDC 2007 • June 11-15 • Moscone West • San Francisco, CA >> http://developer.apple.com/wwdc/ >> >> ********************************************************************* >> * >> ***************************************** >> THE INFORMATION CONTAINED IN THIS MESSAGE IS UNDER NON-DISCLOSURE >> ********************************************************************* >> * >> **************************************** >> ------------------------------------------------------- >> Bug ID #: 5127826 >> Bug Title: PDF file from save as PDF print sheet is corrupt says >> CAM::PDF developer >> ------------------------------------------------------- >> <GMT11-Apr-2007 20:08:24GMT> J Henselmans: >> Summary: >> >> There is a perl module, called CAM::PDF, which makes it possible to >> read and manipulate PDF files in perl. >> >> I tried this modules as it is a way for me to change PDF files on >> different systems. When I tried to change a PDF file produced by >> Save as PDF Print Dialog from a TextEdit file, I got the error >> message: >> >> ppp5:/Users/johan/Desktop root# changepagestring.pl boven.rtf.pdf >> 'Onder' 'Door' dak.pdf >> Expected object open tag >> 0 %PDF-1.3 >> %????????? >> 2 0 ob >> >> According to the developer, that was caused by an error in de PDF >> production of the OS: >> >> " >> I've reproduced this problem by opening the RTF in TextEdit and >> printing >> to PDF under 10.4.9. The problem is that resulting PDF is corrupt >> -- it >> wrongly claims that data starts at byte zero, when in fact the data >> starts at byte 22. >> >> I see that the PDF opens in both Acrobat and Preview. Those two >> applications must be more tolerant of corrupt PDFs than my library >> is... >> " >> Steps to Reproduce: >> -Install CAM::PDF via cpan. >> -Use enclosed file with command above: "changepagestring.pl >> boven.rtf.pdf 'Onder' 'Door' dak.pdf" >> >> Expected Results: >> a changed pdf. >> >> Actual Results: >> the error message above >> >> Regression: >> See message of developer of CAM::PDF >> >> Notes: >> After some discussion I asked if there was a workaround. >> >> "I'll report the bug to Apple. Is there any way that I can fix the >> PDF's manually (while waiting for the Apple fix), say by >> automatically replacing the starting position somewhere in the PDF? >> >> I was about to say no, but perhaps yes. I haven't tried this: Try >> opening the PDF in a binary-friendly text editor (like emacs) and go >> to the end of the doc. Find the line that says "000000000 n" and >> change the "n" to an "f". If I've said that correctly, that should >> change the corrupt element pointing at byte zero to "unused". But >> then, it's been several years since I looked at the PDF spec for the >> document index so I could be remembering incorrectly. >> " >> That did not help... >> >> >> >> 'boven.rtf.pdf' and 'diomedea.spx'were successfully uploaded >> >>