Copyright © 1997–2010 PDFlib GmbH and Thomas Merz. All rights reserved.
PDFlib users are granted permission to reproduce printed or digital copies of this manual for internal use.
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This publication and the information herein is furnished as is, is subject to change without notice, and
should not be construed as a commitment by PDFlib GmbH. PDFlib GmbH assumes no responsibility or lia-
bility for any errors or inaccuracies, makes no warranty of any kind (express, implied or statutory) with re-
spect to this publication, and expressly disclaims any and all warranties of merchantability, fitness for par-
ticular purposes and noninfringement of third party rights.
PDFlib and the PDFlib logo are registered trademarks of PDFlib GmbH. PDFlib licensees are granted the
right to use the PDFlib name and logo in their product documentation. However, this is not required.
Adobe, Acrobat, PostScript, and XMP are trademarks of Adobe Systems Inc. AIX, IBM, OS/390, WebSphere,
iSeries, and zSeries are trademarks of International Business Machines Corporation. ActiveX, Microsoft,
OpenType, and Windows are trademarks of Microsoft Corporation. Apple, Macintosh and TrueType are
trademarks of Apple Computer, Inc. Unicode and the Unicode logo are trademarks of Unicode, Inc. Unix is a
trademark of The Open Group. Java and Solaris are trademarks of Sun Microsystems, Inc. HKS is a regis-
tered trademark of the HKS brand association: Hostmann-Steinberg, K+E Printing Inks, Schmincke. Other
company product and service names may be trademarks or service marks of others.
PANTONE® colors displayed in the software application or in the user documentation may not match
PANTONE-identified standards. Consult current PANTONE Color Publications for accurate color. PANTONE®
and other Pantone, Inc. trademarks are the property of Pantone, Inc. © Pantone, Inc., 2003.
Pantone, Inc. is the copyright owner of color data and/or software which are licensed to PDFlib GmbH to
distribute for use only in combination with PDFlib Software. PANTONE Color Data and/or Software shall
not be copied onto another disk or into memory unless as part of the execution of PDFlib Software.
PDFlib contains modified parts of the following third-party software:
ICClib, Copyright © 1997-2002 Graeme W. Gill
GIF image decoder, Copyright © 1990-1994 David Koblas
PNG image reference library (libpng), Copyright © 1998-2004 Glenn Randers-Pehrson
Zlib compression library, Copyright © 1995-2002 Jean-loup Gailly and Mark Adler
TIFFlib image library, Copyright © 1988-1997 Sam Leffler, Copyright © 1991-1997 Silicon Graphics, Inc.
Cryptographic software written by Eric Young, Copyright © 1995-1998 Eric Young (firstname.lastname@example.org)
Independent JPEG Group’s JPEG software, Copyright © 1991-1998, Thomas G. Lane
Cryptographic software, Copyright © 1998-2002 The OpenSSL Project (www.openssl.org)
Expat XML parser, Copyright © 1998, 1999, 2000 Thai Open Source Software Center Ltd
Reference sRGB ICC color profile data, Copyright (c) 1998 Hewlett-Packard Company
PDFlib contains the RSA Security, Inc. MD5 message digest algorithm.
Authors: Thomas Merz, Katja Schnelle-Romaus
Design and illustrations: Alessio Leonardi
Quality control (manual): Katja Schnelle-Romaus, Kurt Stützer
Quality control (software): a cast of thousands