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| 2 | <HEAD>
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| 3 | <TITLE>
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| 4 | Changes in TIFF v3.4beta028
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| 5 | </TITLE>
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| 6 | </HEAD>
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| 7 |
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| 8 | <BODY>
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| 9 | <FONT FACE="Arial, Helvetica, Sans">
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| 10 |
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| 11 | <BASEFONT SIZE=4>
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| 12 | <B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
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| 13 | <BASEFONT SIZE=3>
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| 14 |
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| 15 | <UL>
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| 16 | <HR SIZE=4 WIDTH=65% ALIGN=left>
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| 17 | <B>Current Version</B>: v3.4beta028<BR>
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| 18 | <B>Previous Version</B>: <A HREF=v3.4beta024.html>v3.4beta024</A><BR>
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| 19 | <B>Master FTP Site</B>: <A HREF="ftp://ftp.sgi.com/graphics/tiff">ftp.sgi.com (192.48.153.1), directory graphics/tiff</A><BR>
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| 20 | <HR SIZE=4 WIDTH=65% ALIGN=left>
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| 21 | </UL>
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| 22 |
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| 23 | <P>
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| 24 | This document describes the changes made to the software between the
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| 25 | <I>previous</I> and <I>current</I> versions (see above).
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| 26 | If you don't find something listed here, then it was not done in this
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| 27 | timeframe, or it was not considered important enough to be mentioned.
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| 28 | The following information is located here:
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| 29 | <UL>
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| 30 | <LI><A HREF="#configure">Changes in the software configuration</A>
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| 31 | <LI><A HREF="#libtiff">Changes in libtiff</A>
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| 32 | <LI><A HREF="#tools">Changes in the tools</A>
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| 33 | <LI><A HREF="#man">Changes in the manual pages</A>
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| 34 | <LI><A HREF="#contrib">Changes in the contributed software</A>
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| 35 | </UL>
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| 36 |
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| 37 | <P><HR WIDTH=65% ALIGN=right>
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| 38 |
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| 39 | <A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
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| 40 |
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| 41 | <UL>
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| 42 | <LI>a <TT>-noninteractive</TT> flag was added to configure to
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| 43 | control whether or not it prints and prompts for configuration information
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| 44 | <LI>various typos and fixes were made in configure for the the
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| 45 | library-only build support (this and other configure fixes from
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| 46 | Richard Mlynarik <A HREF=mailto:mly@adoc.xerox.com><mly@adoc.xerox.com></A>)
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| 47 | <LI>bugs were fixed in the handling of pathnames supplied for external
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| 48 | packages; e.g. <TT>DIR_JPEG</TT>
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| 49 | <LI>the handling of <TT>SETMAKE</TT> is now done properly
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| 50 | <LI>the default prototype function declaration for <TT>pow</TT> was corrected
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| 51 | <LI>a bug was fixed in <B>libtiff/Makefile.in</B> that caused installation
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| 52 | to fail on systems without DSO support
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| 53 | </UL>
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| 54 |
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| 55 | <P><HR WIDTH=65% ALIGN=right>
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| 56 |
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| 57 | <A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
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| 58 |
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| 59 | <UL>
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| 60 | <LI>Acorn RISC O/S support that was accidentally left out of the
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| 61 | left out of the previous distribution is present (from Peter Greenham)
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| 62 | <LI>complaints about unknown and/or unsupported codecs have been
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| 63 | delayed until they are invoked; this permits applications to open
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| 64 | images and look at tags even if the image data is compressed with
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| 65 | an unknown/unsupported compression scheme
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| 66 | <LI>bugs in handling unknown tags have been corrected; applications
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| 67 | that use multiple codecs, each with codec-specific tags, no longer
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| 68 | generate confusing error messages
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| 69 | <LI>a missing pseudo-tag definition in the CCITT G3 codec was fixed
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| 70 | (this problem caused core dumps in the <TT>tiffcp</TT> program)
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| 71 | <LI>pseudo-tags are now treated specially; they are always considered
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| 72 | to be set (i.e. they do not use bits in the <TT>FIELD_*</TT> bit-vectors).
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| 73 | <LI>the use of strip chopping can now be controlled on a per-file basis
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| 74 | through a mode parameter supplied when opening a file (``C'' to
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| 75 | enable strip chopping and ``c'' to disable)
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| 76 | <LI>two bugs were fixed in the writing of opposite-endian byte-order
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| 77 | files
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| 78 | <LI>support was added for three new fax-related tags registered to
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| 79 | SGI: FaxRecvParams, FaxRecvTime, and FaxSubAddress
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| 80 | <LI>the bit order of image data read and written can now be controlled
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| 81 | on a per-file basis through a mode parameter supplied when opening
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| 82 | a file (``B'' to force MSB2LSB bit order, ``L'' for LSB2MSB bit
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| 83 | order, and ``H'' for the bit order of the native CPU)
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| 84 | <LI>the byte order of image and tag data written to newly-created files
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| 85 | can now be controlled on a per-file basis through a mode parameter
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| 86 | supplied when openening a file (``b'' to force Big-Endian byte order
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| 87 | and ``l'' to force Little-Endian byte order)
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| 88 | <LI>the use memory-mapped files for images opened read-only can now
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| 89 | be controlled on a per-file basis through a mode parameter supplied
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| 90 | when opening a file (``M'' to enable use of memory-mapped files
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| 91 | and ``m'' to disable use)
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| 92 | <LI>the use of the <TT>WIN32</TT> define in <B>tiffiop.h</B> has
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| 93 | been replaced by <TT>__WIN32__</TT>
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| 94 | </UL>
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| 95 |
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| 96 | <P><HR WIDTH=65% ALIGN=right>
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| 97 |
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| 98 | <A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
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| 99 |
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| 100 | <UL>
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| 101 | <LI><TT>fax2ps</TT> now does a <TT>save</TT> and <TT>restore</TT>
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| 102 | around each page of PostScript; this fixes a problem with VM
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| 103 | overflow when printing a many-page document on some printers
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| 104 | <LI>a bug in the handling of 3-channel images by <TT>ras2tiff</TT>
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| 105 | was fixed
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| 106 | <LI><TT>tiffcp</TT> has new options to control the byte order of
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| 107 | newly created files: <B>-B</B> for Big-Endian byte order, <B>-L</B>
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| 108 | for Little-Endian byte order; a <B>-M</B> option to disable the
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| 109 | use of memory-mapped files, and a <B>-C</B> option to disable the
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| 110 | use of strip chopping
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| 111 | <LI>bugs were fixed in <TT>tiffcp</TT>'s handling of codec-specific tags
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| 112 | </UL>
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| 113 |
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| 114 | <P><HR WIDTH=65% ALIGN=right>
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| 115 |
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| 116 | <A NAME="man"><B><FONT SIZE=+3>C</FONT>HANGES IN THE MANUAL PAGES:</B></A>
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| 117 |
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| 118 | <UL>
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| 119 | <LI>the <TT>TIFFOpen</TT> page has been updated to reflect the new
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| 120 | optional open mode parameters
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| 121 | </UL>
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| 122 |
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| 123 | <P><HR WIDTH=65% ALIGN=right>
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| 124 |
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| 125 | <A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIBUTED SOFTWARE:</B></A>
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| 126 |
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| 127 | <UL>
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| 128 | <LI><B>contrib/win95</B> contains information and code from Philippe Tenenhaus
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| 129 | <A HREF=mailto:100423.3705@compuserve.com><100423.3705@compuserve.com></A>
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| 130 | about using the software under Windows 95
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| 131 | <LI><B>contrib/winnt</B> contains information and code from Dave Dyer
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| 132 | <A HREF=mailto:ddyer@triple-i.com><ddyer@triple-i.com></A>
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| 133 | about using the software under Windows NT
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| 134 | </UL>
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| 135 |
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| 136 | <A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR>
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| 137 |
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| 138 | <HR>
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| 139 |
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| 140 | <ADDRESS>
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| 141 | <A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A>
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| 142 | Last updated $Date: 1999/08/09 20:21:21 $.
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| 143 | </ADDRESS>
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| 144 |
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| 145 | </BODY>
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| 146 | </HTML>
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