author | eckhart.koppen@nokia.com |
Wed, 31 Mar 2010 11:06:36 +0300 | |
changeset 7 | f7bc934e204c |
permissions | -rw-r--r-- |
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<HTML> |
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<HEAD> |
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<TITLE> |
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Changes in TIFF v3.4beta007 |
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</TITLE> |
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</HEAD> |
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<BODY> |
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<FONT FACE="Arial, Helvetica, Sans"> |
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<BASEFONT SIZE=4> |
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<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B> |
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<BASEFONT SIZE=3> |
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<UL> |
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<HR SIZE=4 WIDTH=65% ALIGN=left> |
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<B>Current Version</B>: v3.4beta007<BR> |
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<B>Previous Version</B>: v3.4beta004<BR> |
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<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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<HR SIZE=4 WIDTH=65% ALIGN=left> |
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</UL> |
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<P> |
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This document describes the changes made to the software between the |
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<I>previous</I> and <I>current</I> versions (see above). |
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If you don't find something listed here, then it was not done in this |
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timeframe, or it was not considered important enough to be mentioned. |
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The following information is located here: |
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<UL> |
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<LI><A HREF="#configure">Changes in the software configuration</A> |
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<LI><A HREF="#libtiff">Changes in libtiff</A> |
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<LI><A HREF="#port">Changes in the portability support</A> |
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<LI><A HREF="#tools">Changes in the tools</A> |
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</UL> |
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<P><HR WIDTH=65% ALIGN=right> |
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<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A> |
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<UL> |
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<LI>bit order was corrected for Pentium systems |
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<LI>a new define, <TT>HOST_BIGENDIAN</TT>, was added for code that |
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wants to statically use information about native cpu byte order |
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</UL> |
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<P><HR WIDTH=65% ALIGN=right> |
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<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A> |
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<UL> |
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<LI>the G3/G4 decoder was replaced by a new one that is faster and |
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has smaller state tables |
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<LI>Niles Ritter's client tag extension hooks were added |
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<LI>a new routine <TT>TIFFCurrentDirOffset</TT> was added for |
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applications that want to find out the file offset of a TIFF directory |
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<LI>the calculation of the number of strips in an image was corected |
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for images with certain esoteric configurations |
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<LI>a potential memory leak (very unlikely) was plugged |
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<LI>the <TT>TIFFReadRGBAImage</TT> support was completely rewritten |
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and new, more flexible support was added for reading images into |
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a fixed-format raster |
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<LI>YCbCr to RGB conversion done in the <TT>TIFFReadRGBAImage</TT> support |
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was optimized |
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<LI>a bug in JPEG support calculation of strip size was corrected |
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<LI>the LZW decoder was changed to initialize the code table to zero |
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to lessen potential problems that arise when invalid data is decoded |
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<LI><B>tiffcomp.h</B> is now aware of OS/2 |
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<LI>some function prototypes in <B>tiffio.h</B> and <B>tiffiop.h</B> |
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that contained parameter |
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names have been changed to avoid complaints from certain compilers |
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</UL> |
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<P><HR WIDTH=65% ALIGN=right> |
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<A NAME="port"><B><FONT SIZE=+3>C</FONT>HANGES IN THE PORTABILITY SUPPORT:</B></A> |
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<UL> |
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<LI><B>Makefile.in</B> has been corrected to use the parameters |
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chosen by the configure script |
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</UL> |
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<P><HR WIDTH=65% ALIGN=right> |
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<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A> |
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<UL> |
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<LI><TT>fax2ps</TT> has been rewritten and moved over from the user |
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contributed software |
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<LI>an uninitialized variable in <TT>pal2rgb</TT> has been fixed |
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<LI><TT>ras2tiff</TT> now converts 24-bit RGB raster data so that |
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samples are written in the proper order |
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<LI><TT>tiff2ps</TT> has been updated to include fixes |
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and enhancements from Alberto Accomazzi |
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<LI><TT>tiffcp</TT> now has a <TT>-o</TT> option to select a directory |
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by file offset |
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<LI><TT>tiffinfo</TT> is now capable of displaying the raw undecoded |
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image data in a file |
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<LI><TT>tiffgt</TT> has been rewritten to use the new <TT>TIFFRGBAImage</TT> |
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support and to handle multiple files |
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</UL> |
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<A HREF="index.html"><IMG SRC="images/back.gif"></A> TIFF home page.<BR> |
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<HR> |
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<ADDRESS> |
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<A HREF="sam.html">Sam Leffler</A> / <A HREF="mailto:sam@engr.sgi.com">sam@engr.sgi.com</A> |
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Last updated $Date: 1999/08/09 20:21:21 $. |
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</ADDRESS> |
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</BODY> |
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</HTML> |