Hi Dom, Does your team have a plan about when will the next podofo version be released?
Thanks, -Derek -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Saturday, September 27, 2008 5:51 PM To: Shunli (Derek) Zheng Cc: [email protected] Subject: Re: [Podofo-users] PoDoFo bug reports Hi, Sorry, I cannot reproduce this. If you had the crash why don't you simply send a backtrace a long with the crash and the source line where the crash occurs? regards, Dom Am Samstag, 27. September 2008 schrieb Shunli (Derek) Zheng: > Hi Dom, > > Thanks for your supports. > I have verified the bugs you fixed, they are gone now. > > There is still another bug I found: > 1. PoDoFo will crash if I add/delete a custom attribute with more than > 15 charaters in Info dictionary. > The source code that will crash is: > > PdfMemDocument pdfDoc(mbFileName); > PdfDictionary& dictionary > =pdfDoc.GetInfo()->GetObject()->GetDictionary(); > dictionary.AddKey( PdfName("12345678901234567890"), > PdfString("1234567890") ); > > Regards, > > -Derek > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Saturday, September 27, 2008 3:14 AM > To: [email protected] > Cc: Shunli (Derek) Zheng > Subject: Re: [Podofo-users] PoDoFo bug reports > > Am Freitag, 26. September 2008 schrieb Dominik Seichter: > > Hi, > > > > Am Freitag, 26. September 2008 schrieb Dominik Seichter: > > > Hi, > > > > > > Thanks for the testcases. > > > > > > I fixed the bug/crash inside of the predictor. The fix is in SVN, > > > could you please check if this fixes your issues? > > > > > > I can reproduce your problems in msft080305vxpm1.pdf and will come > > > back to you as soon as I know what causes this problems. > > Fixed as well. > > > > Regarding your issue with names. I can reproduce this two. Will > > > come > > > > > > back as soon as I know the fix. > > > > I just commited a fix for this bug. > > > > regards, > > Dom > > > > > best regards, > > > Dom > > > > > > Am Freitag, 26. September 2008 schrieb Shunli (Derek) Zheng: > > > > See my comments. Thanks! > > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > > > Sent: Friday, September 26, 2008 6:06 PM > > > > To: [email protected] > > > > Cc: Shunli (Derek) Zheng > > > > Subject: Re: [Podofo-users] PoDoFo bug reports > > > > > > > > Hi, > > > > > > > > Thanks for reporting these bugs. > > > > > > > > Am Freitag, 26. September 2008 schrieb Shunli (Derek) Zheng: > > > > > Hi PoDoFo supporters, > > > > > > > > > > Thanks for all your contribution to the PoDoFo project. It's a > > > > > very good and useful open source project. > > > > > > > > > > Our company has a project that should add custom attributes to > > > > > PDF file's Info dictionary. And we found some critical bugs of > > > > > PoDoFo when > > > > > > > > > > doing test on it. > > > > > 1. There is a crash bug in function > > > > > PdfPredictorDecoder::Decode() of file PdfFiltersPrivate.cpp. > > > > > You > > > > > > > > > > can test with pdf files that are converted from .bmp or .jpg > > > > > by > > Adobe Acrobat. > > > > > > if( m_nCurRowIndex > m_nRows ) > > > > > { > > > > > m_nCurRowIndex = 0; > > > > > m_nCurPredictor = m_nPredictor >= 10 ? > > > > > *pBuffer > > > > > + 10 > > > > > > > > > > : *pBuffer; > > > > > > > > > > } > > > > > else > > > > > { > > > > > ... > > > > > case 12: // png up > > > > > m_pPrev[m_nCurRowIndex] += *pBuffer; > > > > > // Here m_nCurRowIndex may equal to m_nRows, and beyond the > > > > > array > > boundary. > > > > > > pStream->Write( > > > > > &m_pPrev[m_nCurRowIndex], 1 ); ... > > > > > } > > > > > > > > Could you send me an example file for this problem? I think this > > > > bug could be the solution to a bug David Roach is encountering. > > > > I will try to fix it as soon as I can reproduce it. > > > > > > > > [Derek] Attached(bmp.pdf) > > > > > > > > > 2. PoDoFo will failed to parse pdf file if there are some > > > > > syntax > > > > > > > > > > error > > > > > > > > > > in any dictionay. > > > > > For example, for the following data, there is string in ( > > > > > ), > > > > > > > > > > and the string contains two '('. PoDoFo will not parse the > > > > > string correctly until EOF of the file. > > > > > There are no bad syntax tolerance codes in the library. I > > > > > think the bugs should be fixed. > > > > > "... << ... /Title (....(..(hello world....) >> endobj ... " > > > > > > > > Well, you are right. PoDoFo currently accepts only valid PDF > > files. > > > > > Only balanced brackets are allowed to be not escaped in PDF, so > > > > your file is broken. > > > > > > > > I currently have no time to add a fault-tollerant parser to > > > > PoDoFo, but I will of course accept code contributions. I think > > > > so > > > > > > > > that the fault tollerant parser should be optional. So that > > > > PoDoFo > > > > > > > > has to parsers (or a property on > > > > PdfParser) to specify that either only valid PDFs are accepted > > > > or that PoDoFo should be more fault tollerant. > > > > > > > > [Derek] I'm sorry to say that the pdf file is created by PoDoFo > > file. > > > > > We add some custom attributes in msft080305vxpm1.pdf, and then > > > > new > > > > > > > > generated pdf file will contain these bad syntax data. > > > > > > > > > 3. If I open a pdf file (converted from .vsd file type) with > > > > > PoDoFo, and add some custom attributes into Info dictionary, > > > > > and > > > > > > > > > > write the whole back to a new pdf file. > > > > > Then the new generated file will generate many new > > > > > dictionaries, such as below data. And later if I add new > > > > > custom attributes to the new generated pdf file, > > > > > PoDoFo will parse the below data failed with "Invalid data > > type" > > > > > > error message. (# is not a delimiter) > > > > > "100 0 obj << /C /# # # # # # # # ... /K ... >> > > endobj" > > > > > Quoting from the PDF Reference section 3.2.4 Name Objects: > > > > "The name may include any regular characters, but not delimiter > > > > or > > > > > > > > white-space characters (see Section 3.1, "Lexical Conventions")." > > > > > > > > So I think "/# # # #" is no legal name because of the whitespaces. > > > > > > > > So how do these get in their? Does PoDoFo write them? Do we have > > > > an encoding problem in PdfName? > > > > > > > > [Derek] I'm sorry to say that the pdf file is created by PoDoFo > > file. > > > > > We add some custom attributes in encryption_vsd.pdf, and then > > > > new generated pdf file will contain these bad syntax data. > > > > White-space is actually 0x00 data. > > > > > > > > > 4. PoDoFo failed to parse PDF Portfolio file type with error > > message: > > > > > No trailer was found in the PDF file. > > > > > > > > I'll try to look into this. > > > > > > > > best regards, > > > > Dom > > > > > > > > > We will be appreciate if your team can fix these bugs in the > > > > > new > > > > > > > > > > verson of PoDoFo code. Thanks very much! > > > > > > > > > > Regards, > > > > > > > > > > -Derek > > > > > > > > > > - > > > > > -------------------------------------------------------------- > > > > > -- > > > > > ---- > > > > > STATEMENT OF CONFIDENTIALITY > > > > > > > > > > The information contained in this electronic message and any > > > > > attachments to this message are intended for the exclusive use > > > > > of the > > > > > addressee(s) and may contain confidential or privileged > > information. > > > > > > No representation is made on its accuracy or completeness of > > > > > the > > > > > > > > > > information contained in this electronic message. Certain > > > > > assumptions may have been made in the preparation of this > > > > > material as at this date, and are subject to change without > > > > > notice. 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Please reply to the sender at NextLabs Inc and > destroy all copies of this message and any attachments from your system. > ====================================================================== -- ********************************************************************** Dominik Seichter - [EMAIL PROTECTED] KRename - http://www.krename.net - Powerful batch renamer for KDE KBarcode - http://www.kbarcode.net - Barcode and label printing PoDoFo - http://podofo.sf.net - PDF generation and parsing library SchafKopf - http://schafkopf.berlios.de - Schafkopf, a card game, for KDE Alan - http://alan.sf.net - A Turing Machine in Java ********************************************************************** - -------------------------------------------------------------------- STATEMENT OF CONFIDENTIALITY The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain confidential or privileged information. No representation is made on its accuracy or completeness of the information contained in this electronic message. Certain assumptions may have been made in the preparation of this material as at this date, and are subject to change without notice. If you are not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this e-mail and any attachment(s) is strictly prohibited. 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