|
0
|
1 |
<HTML>
|
|
|
2 |
<HEAD>
|
|
|
3 |
<TITLE>
|
|
|
4 |
Changes in TIFF v3.4beta007
|
|
|
5 |
</TITLE>
|
|
|
6 |
</HEAD>
|
|
|
7 |
|
|
|
8 |
<BODY>
|
|
|
9 |
<FONT FACE="Arial, Helvetica, Sans">
|
|
|
10 |
|
|
|
11 |
<BASEFONT SIZE=4>
|
|
|
12 |
<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
|
|
|
13 |
<BASEFONT SIZE=3>
|
|
|
14 |
|
|
|
15 |
<UL>
|
|
|
16 |
<HR SIZE=4 WIDTH=65% ALIGN=left>
|
|
|
17 |
<B>Current Version</B>: v3.4beta007<BR>
|
|
|
18 |
<B>Previous Version</B>: v3.4beta004<BR>
|
|
|
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>
|
|
|
20 |
<HR SIZE=4 WIDTH=65% ALIGN=left>
|
|
|
21 |
</UL>
|
|
|
22 |
|
|
|
23 |
<P>
|
|
|
24 |
This document describes the changes made to the software between the
|
|
|
25 |
<I>previous</I> and <I>current</I> versions (see above).
|
|
|
26 |
If you don't find something listed here, then it was not done in this
|
|
|
27 |
timeframe, or it was not considered important enough to be mentioned.
|
|
|
28 |
The following information is located here:
|
|
|
29 |
<UL>
|
|
|
30 |
<LI><A HREF="#configure">Changes in the software configuration</A>
|
|
|
31 |
<LI><A HREF="#libtiff">Changes in libtiff</A>
|
|
|
32 |
<LI><A HREF="#port">Changes in the portability support</A>
|
|
|
33 |
<LI><A HREF="#tools">Changes in the tools</A>
|
|
|
34 |
</UL>
|
|
|
35 |
|
|
|
36 |
<P><HR WIDTH=65% ALIGN=right>
|
|
|
37 |
|
|
|
38 |
<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
|
|
|
39 |
|
|
|
40 |
<UL>
|
|
|
41 |
<LI>bit order was corrected for Pentium systems
|
|
|
42 |
<LI>a new define, <TT>HOST_BIGENDIAN</TT>, was added for code that
|
|
|
43 |
wants to statically use information about native cpu byte order
|
|
|
44 |
</UL>
|
|
|
45 |
|
|
|
46 |
<P><HR WIDTH=65% ALIGN=right>
|
|
|
47 |
|
|
|
48 |
<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
|
|
|
49 |
|
|
|
50 |
<UL>
|
|
|
51 |
<LI>the G3/G4 decoder was replaced by a new one that is faster and
|
|
|
52 |
has smaller state tables
|
|
|
53 |
<LI>Niles Ritter's client tag extension hooks were added
|
|
|
54 |
<LI>a new routine <TT>TIFFCurrentDirOffset</TT> was added for
|
|
|
55 |
applications that want to find out the file offset of a TIFF directory
|
|
|
56 |
<LI>the calculation of the number of strips in an image was corected
|
|
|
57 |
for images with certain esoteric configurations
|
|
|
58 |
<LI>a potential memory leak (very unlikely) was plugged
|
|
|
59 |
<LI>the <TT>TIFFReadRGBAImage</TT> support was completely rewritten
|
|
|
60 |
and new, more flexible support was added for reading images into
|
|
|
61 |
a fixed-format raster
|
|
|
62 |
<LI>YCbCr to RGB conversion done in the <TT>TIFFReadRGBAImage</TT> support
|
|
|
63 |
was optimized
|
|
|
64 |
<LI>a bug in JPEG support calculation of strip size was corrected
|
|
|
65 |
<LI>the LZW decoder was changed to initialize the code table to zero
|
|
|
66 |
to lessen potential problems that arise when invalid data is decoded
|
|
|
67 |
<LI><B>tiffcomp.h</B> is now aware of OS/2
|
|
|
68 |
<LI>some function prototypes in <B>tiffio.h</B> and <B>tiffiop.h</B>
|
|
|
69 |
that contained parameter
|
|
|
70 |
names have been changed to avoid complaints from certain compilers
|
|
|
71 |
</UL>
|
|
|
72 |
|
|
|
73 |
<P><HR WIDTH=65% ALIGN=right>
|
|
|
74 |
|
|
|
75 |
<A NAME="port"><B><FONT SIZE=+3>C</FONT>HANGES IN THE PORTABILITY SUPPORT:</B></A>
|
|
|
76 |
|
|
|
77 |
<UL>
|
|
|
78 |
<LI><B>Makefile.in</B> has been corrected to use the parameters
|
|
|
79 |
chosen by the configure script
|
|
|
80 |
</UL>
|
|
|
81 |
|
|
|
82 |
<P><HR WIDTH=65% ALIGN=right>
|
|
|
83 |
|
|
|
84 |
<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
|
|
|
85 |
|
|
|
86 |
<UL>
|
|
|
87 |
<LI><TT>fax2ps</TT> has been rewritten and moved over from the user
|
|
|
88 |
contributed software
|
|
|
89 |
<LI>an uninitialized variable in <TT>pal2rgb</TT> has been fixed
|
|
|
90 |
<LI><TT>ras2tiff</TT> now converts 24-bit RGB raster data so that
|
|
|
91 |
samples are written in the proper order
|
|
|
92 |
<LI><TT>tiff2ps</TT> has been updated to include fixes
|
|
|
93 |
and enhancements from Alberto Accomazzi
|
|
|
94 |
<LI><TT>tiffcp</TT> now has a <TT>-o</TT> option to select a directory
|
|
|
95 |
by file offset
|
|
|
96 |
<LI><TT>tiffinfo</TT> is now capable of displaying the raw undecoded
|
|
|
97 |
image data in a file
|
|
|
98 |
<LI><TT>tiffgt</TT> has been rewritten to use the new <TT>TIFFRGBAImage</TT>
|
|
|
99 |
support and to handle multiple files
|
|
|
100 |
</UL>
|
|
|
101 |
|
|
|
102 |
<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR>
|
|
|
103 |
|
|
|
104 |
<HR>
|
|
|
105 |
|
|
|
106 |
<ADDRESS>
|
|
|
107 |
<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A>
|
|
|
108 |
Last updated $Date: 1999/08/09 20:21:21 $.
|
|
|
109 |
</ADDRESS>
|
|
|
110 |
|
|
|
111 |
</BODY>
|
|
|
112 |
</HTML>
|