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Changes in TIFF v3.4beta028

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<font size="+3">T</font>IFF <font size="+2">C</font>HANGE <font size="+2">I</font>NFORMATION

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Current Version: v3.4beta028

Previous Version: v3.4beta024

Master FTP Site: ftp.sgi.com (192.48.153.1), directory graphics/tiff

This document describes the changes made to the software between the

previous and current versions (see above).

If you don't find something listed here, then it was not done in this

timeframe, or it was not considered important enough to be mentioned.

The following information is located here:

Changes in the software configuration

Changes in libtiff

Changes in the tools

Changes in the manual pages

Changes in the contributed software

<font size="+3">C</font>HANGES IN THE SOFTWARE CONFIGURATION:

a <tt>-noninteractive</tt> flag was added to configure to

   control whether or not it prints and prompts for configuration information

various typos and fixes were made in configure for the the

   library-only build support (this and other configure fixes from

   Richard Mlynarik <mly@adoc.xerox.com>)

bugs were fixed in the handling of pathnames supplied for external

   packages; e.g. <tt>DIR_JPEG</tt>

the handling of <tt>SETMAKE</tt> is now done properly

the default prototype function declaration for <tt>pow</tt> was corrected

a bug was fixed in libtiff/Makefile.in that caused installation

   to fail on systems without DSO support

<font size="+3">C</font>HANGES IN LIBTIFF:

Acorn RISC O/S support that was accidentally left out of the

   left out of the previous distribution is present (from Peter Greenham)

complaints about unknown and/or unsupported codecs have been

   delayed until they are invoked; this permits applications to open

   images and look at tags even if the image data is compressed with

   an unknown/unsupported compression scheme

bugs in handling unknown tags have been corrected; applications

   that use multiple codecs, each with codec-specific tags, no longer

   generate confusing error messages

a missing pseudo-tag definition in the CCITT G3 codec was fixed

   (this problem caused core dumps in the <tt>tiffcp</tt> program)

pseudo-tags are now treated specially; they are always considered

   to be set (i.e. they do not use bits in the <tt>FIELD_*</tt> bit-vectors).

the use of strip chopping can now be controlled on a per-file basis

   through a mode parameter supplied when opening a file (``C'' to

   enable strip chopping and ``c'' to disable)

two bugs were fixed in the writing of opposite-endian byte-order

   files

support was added for three new fax-related tags registered to

   SGI: FaxRecvParams, FaxRecvTime, and FaxSubAddress

the bit order of image data read and written can now be controlled

   on a per-file basis through a mode parameter supplied when opening

   a file (``B'' to force MSB2LSB bit order, ``L'' for LSB2MSB bit

   order, and ``H'' for the bit order of the native CPU)

the byte order of image and tag data written to newly-created files

   can now be controlled on a per-file basis through a mode parameter

   supplied when openening a file (``b'' to force Big-Endian byte order

   and ``l'' to force Little-Endian byte order)

the use memory-mapped files for images opened read-only can now

   be controlled on a per-file basis through a mode parameter supplied

   when opening a file (``M'' to enable use of memory-mapped files

   and ``m'' to disable use)

the use of the <tt>WIN32</tt> define in tiffiop.h has

   been replaced by <tt>__WIN32__</tt>

<font size="+3">C</font>HANGES IN THE TOOLS:

<tt>fax2ps</tt> now does a <tt>save</tt> and <tt>restore</tt>

    around each page of PostScript; this fixes a problem with VM

    overflow when printing a many-page document on some printers

a bug in the handling of 3-channel images by <tt>ras2tiff</tt> 

    was fixed

<tt>tiffcp</tt> has new options to control the byte order of

    newly created files: -B for Big-Endian byte order, -L

    for Little-Endian byte order; a -M option to disable the

    use of memory-mapped files, and a -C option to disable the

    use of strip chopping

bugs were fixed in <tt>tiffcp</tt>'s handling of codec-specific tags

<font size="+3">C</font>HANGES IN THE MANUAL PAGES:

the <tt>TIFFOpen</tt> page has been updated to reflect the new

    optional open mode parameters

<font size="+3">C</font>HANGES IN THE CONTRIBUTED SOFTWARE:

contrib/win95 contains information and code from Philippe Tenenhaus

    <100423.3705@compuserve.com>

    about using the software under Windows 95

contrib/winnt contains information and code from Dave Dyer

    <ddyer@triple-i.com>

    about using the software under Windows NT

 TIFF home page.

<address></address>

Sam Leffler / sam@engr.sgi.com

Last updated $Date: 1999/08/09 20:21:21 $.