1<HTML> 2<HEAD> 3<TITLE> 4Changes in TIFF v3.4beta036 5</TITLE> 6</HEAD> 7 8<BODY> 9 10<BASEFONT SIZE=4> 11<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B> 12<BASEFONT SIZE=3> 13 14<UL> 15<HR SIZE=4 WIDTH=65% ALIGN=left> 16<B>Current Version</B>: v3.4beta036<BR> 17<B>Previous Version</B>: <A HREF=v3.4beta035.html>v3.4beta035</A><BR> 18<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> 19<HR SIZE=4 WIDTH=65% ALIGN=left> 20</UL> 21 22<P> 23This document describes the changes made to the software between the 24<I>previous</I> and <I>current</I> versions (see above). 25If you don't find something listed here, then it was not done in this 26timeframe, or it was not considered important enough to be mentioned. 27The following information is located here: 28<UL> 29<LI><A HREF="#configure">Changes in the software configuration</A> 30<LI><A HREF="#libtiff">Changes in libtiff</A> 31<LI><A HREF="#tools">Changes in the tools</A> 32</UL> 33 34<P><HR WIDTH=65% ALIGN=right> 35 36<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A> 37 38<UL> 39<LI>support was added for building the library as a DSO under HP-UX with 40 the native C compiler 41<LI>tools are now built with explicit pathnames for the DSO under IRIX, 42 Solaris, and Linux 43<LI>DSO configuration support for Linux was changed to require that 44 <B>libc.so</B> only be readable (not executable) 45</UL> 46 47<P><HR WIDTH=65% ALIGN=right> 48 49<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A> 50 51<UL> 52<LI>support was add for ICC: <TT>NumberOfInks</TT>, and <TT>ICCProfile</TT> 53<LI>a memory leak caused by doing <TT>TIFFSetDirectory(0)</TT> was fixed 54<LI>a bug was fixed whereby certain multi-directory files were not 55 properly handled when accessed by mapping the data into memory 56<LI>the strip chopping support is now always compiled 57 into the library with the default usage controlled by a 58 <TT>STRIPCHOP_DEFAULT</TT> configuration parameter 59<LI>the strip chopping support no longer chops tiled images 60<LI>all static strings are now const--for shared libraries 61<LI>the logic for estimating the strip size of images without 62 a <TT>StripByteCounts</TT> tag was improved by handling 63 <TT>PlanarContig</TT> images differently from <TT>PlanarSeparate</TT> 64<LI>a bug was fixed in the G3 codec when converting the Y resolution 65 of data specified in metric units 66<LI>a bug was fixed in the G3/G4 decoder for data where lines terminate 67 with a v0 code 68<LI>the <TT>TIFFRGBAImage</TT> support was changed to scale 16-bit colormap 69 entries more conservatively to avoid problems with applications 70 that do not generate fully saturated pixel values 71<LI>the LZW decoder was changed to use a more conservative scheme when 72 bounds checking the hash table array; this avoids pitfalls with 73 systems that load objects into memory in unusual locations 74<LI>a bug was fixed in <TT>TIFFPrintDirectory</TT>'s handling of the 75 <TT>InkNames</TT> tag 76<LI><TT>TIFFPrintDirectory</TT> now understands <TT>NumberOfInks</TT> 77 and ICC-related tags 78<LI>the routines for reading image data now provide more useful information 79 when a read error is encountered 80<LI>support was added for compiling with Microsoft Visual C++ 4.0 81</UL> 82 83<P><HR WIDTH=65% ALIGN=right> 84 85<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A> 86 87<UL> 88<LI>a bug was fixed in <B>pal2rgb</B>'s colormap handling 89<LI><B>tiff2ps</B> now includes John Wehle's changes for maintaining 90 the aspect ratio 91 of images when scaling and for honoring the deadzone on a page when 92 generating PostScript Level II 93<LI><B>tiff2ps</B> does a better job guarding against the mishandling 94 of greyscale images 95<LI><B>tiff2ps</B> now correctly converts X- and Y-resolution values 96 specified in metric units 97<LI><B>tiffdump</B> has a new <TT>-m</TT> option to control the maximum 98 number of indirect 99 data values printed for a tag (by default 24) 100<LI><B>tiffdump</B> understands several new tags 101<LI><B>tiffdump</B> now shows any terminating null in ASCII strings 102<LI><B>tiffinfo</B> now suppresses strip chopping when interpreting an image; 103 a new <TT>-z</TT> option has been added to enable strip chopping 104</UL> 105 106<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR> 107 108<HR> 109 110<ADDRESS> 111<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:[email protected]">[email protected]</A> 112Last updated $Date: 1999-07-27 21:50:27 $. 113</ADDRESS> 114 115</BODY> 116</HTML> 117
