I don't know. Maybe you should ask whoever did the port. Best Regards, Paulo Soares
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Ross Presser > Sent: Friday, October 22, 2004 9:22 PM > To: [EMAIL PROTECTED] > Subject: [iText-questions] Re: doing "mail merge" uses lots of memory > > Did anybody see my question below? > > Is there a way to create a document with many many copies of > an imported > page without consuming huge amounts of memory or generating a huge pdf > file? > > > On Wed, 20 Oct 2004 14:56:21 -0400, Ross Presser wrote: > > > I am using iText.net (in VB.NET) to do a "mail merge" type > of application. > > The output is a two-sided 4-color postcard with an address > on the back > > side, and the address database has about 9950 records. The > code I use is > > based on the PdfReader example from the tutorial, and looks > mostly like > > what appears below. > > > > The code works, but consumes an incredible amount of > memory, even though > > the resulting PDF is quite reasonably sized. "front.pdf" > and "back.pdf" are > > about 912k and 175k respectively, and a batch of 500 rows > (with 1000 pdf > > pages) is only about 1513k. ("front.pdf" and "back.pdf" each have an > > embedded font, but I don't embed fonts for the address text.) > > > > But while it is running it consumes an incredible amount of memory. > > Watching it in Task Manager, although the memory devoted to > the program > > image itself stays pretty constant, the "commit charge" > representing memory > > used by the entire system rises by about 600mb when > processing 500 records. > > If I process 1000 records, it rises to use over a gig of > (virtual) memory. > > The machine bogs down so badly I have to kill the process. > > > > Is there a more efficient way I should be doing this? Would > adding an > > acrobat form field to back.pdf and using PdfStamper be less > profligate of > > memory? Is there anything I can do after every 500 records > or so to clear > > out the memory, without this causing multiple copies of the > XForms to be > > added? > > > > > > dim output as new Document() > > dim os as new java.io.FileOutputStream("output.pdf") > > dim writer as PdfWriter = PdfWriter.getInstance(output, os) > > dim cb as PdfContentByte = writer.getDirectContentUnder() > > > > dim rdrFront as new PdfReader("front.pdf") > > dim rdrBack as new PdfReader("back.pdf") > > dim pageFront as PdfImportedPage = > writer.getImportedPage(rdrFront,1) > > dim pageBack as PdfImportedPage = writer.getImportedPage(rdrBack,1) > > > > for each record in the table > > cb.addTemplate(pageFront,0,0) > > output.newPage() > > cb.addTemplate(pageBack,0,0) > > cb.beginText() > > cb.setFontAndSize(...) > > cb.showTextAligned(...) ' several statements here print > the address > > output.newPage() > > next record > > > > output.close() > > > > > > > > ------------------------------------------------------- > > This SF.net email is sponsored by: IT Product Guide on > ITManagersJournal > > Use IT products in your business? Tell us what you think of > them. Give us > > Your Opinions, Get Free ThinkGeek Gift Certificates! Click > to find out more > > http://productguide.itmanagersjournal.com/guidepromo.tmpl > > > > ------------------------------------------------------- > This SF.net email is sponsored by: IT Product Guide on > ITManagersJournal > Use IT products in your business? Tell us what you think of > them. Give us > Your Opinions, Get Free ThinkGeek Gift Certificates! Click to > find out more > http://productguide.itmanagersjournal.com/guidepromo.tmpl > _______________________________________________ > iText-questions mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/itext-questions > ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ iText-questions mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/itext-questions
