Re: zmykani PDF

[Peter Luciak <lists zavinac luciak bod org>]

Martin Betinec  wrote / napísal(a):
> Zdravim konferenci,
>
> a prosim o radu s nasledujici zalezitosti:
>
> vytvarim pro studenty prostrednictvim 'cslatex'u a 'dvipdf' materialy k 
> vyuce ve formatu PDF. Zjistil jsem ovsem, ze studenti tyto materialy 
> svevolne meni a chtel bych tomu zabranit. Napadlo me, ze by se mozna daly
> dokumenty  uzamknout proti modifikaci. Chci ovsem, aby je studenti mohli 
> cist a tisknout.

Mozno by to slo s pdftk:

Description: A useful tool for manipulating PDF documents
 If PDF is electronic paper, then pdftk is an electronic stapler-remover,
 hole-punch, binder, secret-decoder-ring, and X-Ray-glasses. Pdftk is a
 simple tool for doing everyday things with PDF documents. Keep one in the
 top drawer of your desktop and use it to:
  - Merge PDF documents
  - Split PDF pages into a new document
  - Decrypt input as necessary (password required)
  - Encrypt output as desired
  - Fill PDF Forms with FDF Data and/or Flatten Forms
  - Apply a Background Watermark
  - Report PDF on metrics, including metadata and bookmarks
  - Update PDF Metadata
  - Attach Files to PDF Pages or the PDF Document
  - Unpack PDF Attachments
  - Burst a PDF document into single pages
  - Uncompress and re-compress page streams
  - Repair corrupted PDF (where possible)
 .
  Author: Sid Steward <ssteward zavinac accesspdf bod com>
  Homepage: http://www.accesspdf.com/pdftk