The Catalog is the name of the "root" object of the tree of objects in a PDF document.
Leonard On Nov 26, 2008, at 7:32 PM, Dave, Liz and David wrote: > Leonard and Kevin, > > Much thanks for the response! A follow-on question if you don't mind: > > Admittedly, I haven't read the iText docs yet, but I did do a quick > search > through site that talk about the PDF spec and didn't find a > reference to the > term "basic catalog" is, "basic catalog" an iText API construct or > is it > defined by the PDF spec? Your answer will help me figure out where > to go > next to read docs. > > isailhobie > > ________________________________ > > From: Kevin Day [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 25, 2008 2:14 PM > To: IText Questions > Subject: Re: [iText-questions] Memory Usage: reading the 1st page of > a PDF > > > As a followup, linearized is only useful when you are reading the file > contents over a slow connection. Most PDF files require quite a bit > of > random access reading, and linearizing helps to clump the reads > together, > and makes the cross reference table available in the first blocks of > the > file. > > - K > > > ----------------------- Original Message ----------------------- > > From: Leonard Rosenthol <[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED]> > To: Post all your questions about iText here > <[email protected]> > <mailto:[email protected]> > Cc: > Date: Tue, 25 Nov 2008 17:43:58 +0100 > Subject: Re: [iText-questions] Memory Usage: reading the 1st page of > a PDF > > You NEVER have to read more than the basic "catalog" into memory and > then just the objects of the first page. > > iText doesn't display PDFs - so not sure what you mean here though... > > Leonard > > > On Nov 25, 2008, at 3:54 PM, [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED] > > > wrote: > >> Our requirement is to display the first page of PDFs that are made >> up of many, many pages. These PDFs are at various levels of >> organization. Ideally we would not have to read the entire PDF into >> memory as our site does very high volume. >> >> Question: Is there any format of PDF >> (Optimized,Compressed,Linearized) that would FORCE itext to read the >> whole document into memory before being able to pick out the first >> page for display? (I am aware that linearized is optimized for just >> this type of access, so I am mostly curious about other formats.) >> >> Regards, >> isailhobie >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's >> challenge >> Build the coolest Linux based applications with Moblin SDK & win >> great prizes >> Grand prize is a trip for two to an Open Source event anywhere in >> the world >> > http://moblin-contest.org/redirect.php?banner_id=100&url=/__________________ > _____________________________ > <http://moblin-contest.org/redirect.php?banner_id=100&url=/_________________ > ______________________________> >> iText-questions mailing list >> [email protected] > <mailto:[email protected]> >> https://lists.sourceforge.net/lists/listinfo/itext-questions > <https://lists.sourceforge.net/lists/listinf o/itext-questions> >> >> Buy the iText book: http://www.1t3xt.com/docs/book.php > <http://www.1t3xt.com/docs/book.php> > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's > challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in > the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > <http://moblin-contest.org/redirect.php?banner_id=100&url=/> > _______________________________________________ > iText-questions mailing list > [email protected] > <mailto:[email protected]> > https://lists.sourceforge.net/lists/listinfo/itext-questions <https://li > sts.sourceforge.net/lists/listinfo/itext-questions> > > Buy the iText book: http://www.1t3xt.com/docs/book.php > <http://www.1t3xt.com/docs/book.php> > > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's > challenge > Build the coolest Linux based applications with Moblin SDK & win > great prizes > Grand prize is a trip for two to an Open Source event anywhere in > the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > > Buy the iText book: http://www.1t3xt.com/docs/book.php > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://www.1t3xt.com/docs/book.php
