Generation of Multiple Page PDF Document is slow

[GaneshPrakhya <ganesh.prakhya (at) hp.com>]

Hi Bruno,

The example you suggested is working fine for me. However, the targent
document was around 4MB in size with 100 pages. I tried the samething with
same template using PDFLib, the document PDFLib created with 100 pages was
around 150KB. Is there any approach to reduce the size of the document. I
guess the size is due to copying of documents over many pages in the case of
iText.

Thanks,
Ganesh. 



Bruno Lowagie wrote:
> 
> GaneshPrakhya wrote:
> 
>>Hi Bruno,
>>
>>As you said in the previous thread (Abhishek's):
>>
>>"There are other ways to do it, and the book will give you 
>>another example using setField and setFieldCache, but 
>>the procedure described above is faster because it cuts 
>>a lot of corners. 
>>
>>best regards, 
>>Bruno"
>>
>>I am exactly doing the same, I followed all your steps. Can you suggest me
>>how to use setField and setFieldCache for setting AcroForm fields over
>>multiple pages. If you can give me an example code, that will be great for
>>me.
>>
> I planned to add a 'fast' example to this page:
> http://itext.ugent.be/articles/eid-pdf/ (see the example at the bottom),
> but I only found the time to write a description.
> 
> Meanwhile maybe setFieldCache can help.
> Just create a HashMap outside the loop that sets the fields:
> HashMap fieldCache = new HashMap();
> Inside the loop you do:
> form = stamper.getAcroFields();
> form.setFieldCache(fieldcache);
> form.setField(...);
> This should improve the performance.
> 
> (Although not as drastically as the modus operandi
> that is described without a code sample.)
> br,
> Bruno
> 
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