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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/Xpm/CHANGES
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
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+/*
+ * Copyright (C) 1989-95 GROUPE BULL
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of GROUPE BULL shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from GROUPE BULL.
+ */
+
+/**************************************************************************\
+* *
+* HISTORY of user-visible changes *
+* *
+\**************************************************************************/
+
+3.4k (98/03/18)
+
+ ENHANCEMENTS:
+ - A new program called cxpm is provided to check on XPM files and help
+ figuring out where the file might be invalid.
+ - The FAQ and README are now in HTML.
+
+ BUGS CORRECTED:
+ - A bug in writing pixmaps out on an 32 bit depth visual and MSBFirst
+ machine.
+ - patch from Uwe Langenkamp <Uwe.Langenkamp@t-online.de>
+ - A severe bug in parsing the pixels section when an unknown character
+ is encountered.
+
+3.4j (96/12/31)
+
+ ENHANCEMENTS:
+ - The XPM library can now be built under Amiga DOS. This entirely comes
+ from: Lorens Younes <d93-hyo@nada.kth.se>
+ See the README.AMIGA file for details.
+ - Changes for MSW: big performance improvement in ParseAndPutPixels(),
+ fixed creation of the mask in SetColor()
+ - patch from Jan Wielemaker <jan@swi.psy.uva.nl>
+ - makefiles are provided for VMS
+ - given by Martin P.J. Zinser m.zinser@gsi.de
+ - Imakefiles reworked to get smoother builds and fixes from:
+ - Paul DuBois dubois@primate.wisc.edu
+ - Larry Schwimmer schwim@cyclone.stanford.edu
+ - thanks to some code rearrangement the library is smaller (the size
+ reduction goes from 4 to 7% depending on the system)
+
+ BUGS CORRECTED:
+ - A severe bug (introduced in 3.4i as part of the sprintf
+ optimization) in code writing XPM extensions to a buffer
+ XpmCreateBufferFromImage/Pixmap.
+ - The XpmAttributes definition in xpm.h was declaring nalloc_colors to
+ be Bool, it's an int.
+
+3.4i (96/09/13)
+
+ NEW FEATURES:
+ - The XPM library now allows the application to pass its own color
+ allocation/free functions. For this matter the following was done:
+ The XpmAttributes structure has three new fields alloc_color,
+ free_color, and color_closure. The following new valuemasks were
+ added XpmAllocColorFunc, XpmFreeColorsFunc, XpmColorClosure. And
+ two new types were defined XpmAllocColorFunc and XpmFreeColorsFunc.
+ See documentation for details.
+
+ ENHANCEMENTS:
+ - Windows NT support. It should compile and run fine based on the X
+ Consortium X11R6 distribution.
+ - The README file contains information to compile on Solaris with gcc.
+ - Part of the code has been optimized by using the value returned by
+ sprintf instead of calling strlen. Add the flag -DVOID_SPRINTF
+ if on your system sprintf returns void.
+ - patch from Thomas Ott thommy@rz.fh-augsburg.de
+
+ BUGS CORRECTED:
+ - XpmFree is now a real function (simply calling free by default).
+
+ CHANGES TO THE DOC:
+ - The documentation describes the new XpmAttributes fields and their
+ use.
+
+3.4h (96/02/01)
+
+ NEW FEATURES:
+ - The XpmAttributes has a new member called 'alloc_close_colors' which
+ lets the caller specify whether close colors should be allocated
+ using XAllocColor or not. This is especially useful when one uses a
+ private colormap full of read/write cells.
+ The xpm.h header file define a new bitmap flag called
+ XpmAllocCloseColors to use along with this new slot.
+ - Dale Pease peased@bigbird.cso.gtegsc.com
+ - The XpmAttributes has a new member called 'bitmap_format' which lets
+ the caller specify the format of 1 bit depth images (XYBitmap or
+ ZPixmap). The xpm.h header file define a new bitmap flag called
+ XpmBitmapFormat to use along with this new field.
+
+ ENHANCEMENTS:
+ - XpmReadFileTo[Image/Pixmap], XpmCreate[Image/Pixmap]FromData,
+ XpmCreateImageFromDataFromBuffer functions do no longer use a
+ temporary XpmImage object, which reduces a lot the amount of memory
+ used. On the other hand it can take a little more time, but given the
+ following figures (based on sxpm) it is a real good trade-off.
+
+ Reading a 22x22 pixmap with 5 colors no time change is detected
+ using time:
+ real 0.3
+ user 0.1
+ sys 0.1
+
+ Reading a 1279x1023 pixmap with 14 colors (quite extreme case for
+ XPM!) the time goes from:
+ real 1.9
+ user 0.8
+ sys 0.8
+
+ to:
+ real 2.2
+ user 1.8
+ sys 0.3
+
+ Reading the 22x22 pixmap with 5 colors the memory usage (under
+ purify) goes from:
+ 255256 code
+ 55496 data/bss
+ 163848 heap (peak use)
+ 4248 stack
+ to:
+ 271240 code
+ 55472 data/bss
+ 159752 heap (peak use)
+ 4224 stack
+
+ And reading the 1279x1023 pixmap with 14 colors it goes from:
+ 255256 code
+ 55496 data/bss
+ 6705160 heap (peak use)
+ 4280 stack
+ to:
+ 271240 code
+ 55472 data/bss
+ 1732616 heap (peak use)
+ 4264 stack
+
+ This clearly shows that while for small pixmaps there is no real
+ difference on both sides, for large pixmaps this makes a huge
+ difference about the amount of memory used and it is not much
+ slower.
+
+ Note that you can still get the old behavior using both
+ XpmReadFileToXpmImage and XpmCreate[Image/Pixmap]FromXpmImage instead
+ of XpmReadFileTo[Image/Pixmap]. Once more XPM gives you the choice!
+
+ BUGS CORRECTED:
+ - when defined locally the global symbols strcasecmp and strdup are
+ now called xpmstrcasecmp and xpmstrdup to avoid any possible
+ conflict.
+ - VMS has a bogus file system which requires a work around in
+ XpmReadFileToBuffer.
+ - patch from Bob.Deen@jpl.nasa.gov
+ - the type of the exactColors attribute has been changed from unsigned
+ int to Bool.
+
+ CHANGES TO THE DOC:
+ - the documentation describes the new XpmAttributes fields
+ alloc_close_colors and bitmap_format.
+
+3.4g (95/10/08)
+
+ ENHANCEMENTS:
+ - The XpmAttributes structure has now two new slots: alloc_pixels and
+ nalloc_pixels in order to provide an easy way to free allocated
+ colors. The new bitmask XpmReturnAllocPixels should be used to
+ request this data through the valuemask. Unless you really know why,
+ you should use this instead of XpmReturnPixels, pixels, and npixels.
+ - the XPM1 format parsing has been improved.
+ - patch from Chuck Thompson <cthomp@cs.uiuc.edu>
+ - compilers defining _STDC_ to something different from 1 are now
+ considered as ANSI compilers.
+ - the README file provides now more info on how to build XPM depending
+ on the system.
+
+ BUGS CORRECTED:
+ - a bug introduced in 3.4f in the XPM1 format parsing function.
+ - fix from Chuck Thompson <cthomp@cs.uiuc.edu>
+ - the hashtable was not free when the color parsing failed.
+ - patch from ackley@cs.unm.edu (David Ackley)
+ - the close color mechanism wasn't used if one of the closeness
+ parameter was null. Now only one needs to be different from 0.
+ Lorens Younes d93-hyo@nada.kth.se
+ - parsing of long comments failed with a segmentation fault.
+
+ CHANGES TO THE DOC:
+ - the documentation describes the new XpmAttributes fields
+ alloc_pixels and nalloc_pixels and how they are used.
+
+3.4f (95/05/29)
+
+ ENHANCEMENTS:
+ - Defines IMAKE_DEFINES in the top Imakefile so one can easily avoid
+ building the shared library.
+ - Add some information about the installation process in the README.
+ - filenames are surrounded with quotes when calling gzip or compress in
+ order to allow spaces within filenames.
+ - William Parn <parn@fgm.com>
+ - the compilation and the shared library building should be smoother
+ on Alpha OSF/1.
+ - patch from Dale Moore <Dale.Moore@CS.cmu.edu>
+
+ BUGS CORRECTED:
+ - a segmentation fault occurring in some weird case.
+
+3.4e (95/03/01)
+
+ ENHANCEMENTS:
+ - The top Imakefile passes CDEBUGFLAGS and DEFINES to subdirs. Thus
+ only this Imakefile should need to be edited by users.
+ - FAQ includes the answer to the question "How can I get a non
+ rectangular icon using XPM ?"
+ - VMS support updated
+ - patch from Martin P.J. Zinser m.zinser@gsi.de
+
+ BUGS CORRECTED:
+ - XpmCreateImageFromXpmImage() called from XpmReadFileToPixmap() could
+ lead to a segmentation fault since free was called on a memory block
+ size variable instead of the block itself. Note: this bug has been
+ introduced in 3.4d.
+
+3.4d (95/01/31)
+
+ ENHANCEMENTS:
+ - sxpm now supports a -version option command.
+
+ BUGS CORRECTED:
+ - the list of pixels returned in XpmAttributes was wrong when two
+ colors were defined as None in the read XPM
+ - Lionel.Mallet@sophia.inria.fr
+ - the parser was skipping whitespace reading extensions strings. This
+ has been fixed so extensions lines are now returned exactly as they
+ are.
+ - some compilation control added for the dec alpha with X11R5 (LONG64)
+ - patch from Fredrik Lundh <Fredrik_Lundh@ivab.se>
+ - when writing an XPM file, '-' characters are replaced with '_'
+ characters in the array name, in order to get a valid C syntax name.
+ - XYPixmap format images were not correctly handled.
+ - XPM1 file with names using multiple '_' characters are now handled
+ correctly.
+ - todd@erda.rl.af.mil (Todd Gleason)
+
+3.4c (94/06/06)
+
+ Yes, this is kind of quick. But this is because no code has been modified,
+ this is just a new packaging to make the whole stuff more suitable to the
+ X development team's requests for inclusion in the R6 contrib.
+
+ ENHANCEMENTS:
+ - Several filenames were too long to fit without any conflict on DOS
+ and CD-ROM filesystems. They have been renamed.
+ - Imakefiles use XCOMM for comments instead of the # character.
+ - the Postscript documentation file doc/xpm.ps is now distributed as
+ doc/xpm.PS.gz and allows browsing with tools such as ghostview.
+ - Besides, parts of lib/misc.c have been moved to several new files,
+ and some functions of data.c have been moved to other files in
+ order to get a better link profile.
+ - I've also added a FAQ hoping this will prevent people from
+ continuously filling my mailbox with the same questions.
+ - sxpm.c includes <X11/xpm.h> instead of "xpm.h" and BUILDINCTOP is
+ used in Makefiles as expected.
+ - Everything can be done simply using "xmkmf -a" and "make".
+
+3.4b (94/05/24)
+
+ ENHANCEMENTS:
+ - XPM can now be built under MS Windows. Yes, this is possible and this
+ entirely comes from:
+ - Hermann Dunkel <hedu@cul-ipn.uni-kiel.de>
+ See the README.MSW file for details.
+
+ - building the shared library now depends on the SharedLibXpm variable
+ and no longer on the SharedLibX variable which is private to the X
+ Window System project.
+ - patch from Stephen Gildea <gildea@x.org>
+ Other variables can now be set for the various locations needed.
+
+ - lib/parse.c does no longer use a 256x256 array in the stack but
+ malloc it instead.
+
+ - The Copyright notice which has been re-written from the X11R6's one
+ should be clearer and is now present in every file.
+
+ BUGS CORRECTED:
+ - lib/xpmP.h does no longer define a Boolean type which conflicts with
+ the Intrinsic definition. Instead the type Bool defined in Xlib is
+ used.
+ - neumann@watson.ibm.com (Gustaf Neumann)
+
+3.4a (94/03/29)
+
+ BUGS CORRECTED:
+ - passing NULL as shapemask_return to XpmReadFileToPixmap and similar
+ functions was leading to a bus error.
+ - Dean Luick <dean@falcon.natinst.com>
+
+3.4 (94/03/14)
+
+ IMPORTANT NOTE:
+ This version is not compatible with 3.3. Fortunately most people should
+ only need to recompile.
+ I apology for this but CDE/Motif have put heavy pressure to go that
+ way. The point is that I designed and released Xpm 3.3 in order to let
+ OSF include a clean version of Xpm in Motif 2.0. This new version was
+ not fully compatible with 3.2 but I thought it didn't matter since this
+ was going to be the first version used within Motif. Unfortunately CDE
+ was already using xpm-3.2 internally and requires both source and
+ binary backward compatibility. By the way I must say they didn't drop
+ us a single line to let us know they were using it and thus were
+ expecting stability. All this could have been avoided...
+
+ However, since I had to go for a not compatible version I took this as
+ an opportunity to modify the lower level API, which was new in 3.3 and
+ which was somewhat clumsy, in order to provide yet a better API.
+
+ The library has been modified to have both source and binary backward
+ compatibility with xpm-3.2. This implies it is not either source or
+ binary compatible with 3.3. The fields related to the 3.2 XpmInfos
+ mechanism have been put back into the XpmAttributes structure. The new
+ 3.3 XpmInfos struct has been renamed as XpmInfo to avoid conflict with
+ the old 3.2 flag which is back too. All the semantic related to the
+ XpmAttributes infos fields is back as well.
+
+ So this new version provides a high level API which is fully
+ compatible with 3.2 and still provides the 3.3 lower level API
+ (XpmImage) with the XpmInfos struct renamed as XpmInfo. This leads to
+ some redundancy but this was the best I could do to satisfy both
+ CDE/Motif people who needed the backward compatibility and myself (who
+ always tries to provide you with the best ;-).
+
+ Tests have been successfully performed with pixmap-2.1, pixmap-2.4, and
+ sxpm.
+
+ ENHANCEMENTS:
+ - The colorTable member of the XpmAttributes structure is now an
+ (XpmColor*) in order to be compatible with an XpmImage colorTable.
+ However in order to be backward compatible this field is cast to
+ (XpmColor **), which is equivalent to (char ***), when it is used
+ with the old flags XpmInfos and XpmReturnInfos. To handle the new
+ type the new flags XpmColorTable and XpmReturnColorTable have been
+ defined.
+ - The XpmInfo struct has been extended to avoid having to deal with an
+ XpmAttributes at the lower level. The idea is that all the data
+ stored in an Xpm file can be retrieve through both an XpmImage and
+ an XpmInfo struct. See the documentation for details.
+ - XpmUndefPixel is defined and exported by xpm.h in order to let
+ clients providing their own colorTable when writing out an Xpm file.
+ See the documentation for details.
+ - in sxpm/sxpm.c, set attribute XtNinput to True on toplevel widget.
+ Windows that don't "take" input, never get focus, as mandated by
+ the ICCM.
+ patch from Henrique Martins <martins@hplhasm.hpl.hp.com>
+ - lib/Imakefile modified to build the shared library under IRIX 5.
+ patch from simon@lia.di.epfl.ch (Simon Leinen)
+
+ NEW FEATURES:
+ - a new function and a new define should help client figuring out with
+ which Xpm library version they are working. These are
+ XpmIncludeVersion and XpmLibraryVersion().
+
+3.3 (93/12/20)
+
+ NEW FEATURES:
+ - XPM1 files are now supported.
+ - a new function is provided to get an error string related to the
+ returned error code.
+ - suggested by Detlef Schmier <detlef@mfr.dec.com>
+
+ ENHANCEMENTS:
+ - gzip and gunzip are called with the -q option (quiet)
+ - patch from Chris P. Ross <cross@eng.umd.edu>
+ - the parser is again more flexible about the way the strings are
+ distributed on lines. Actually a single line XPM file can be read.
+ - the documentation should be clearer about shapemask generation and
+ XpmAttributes valuemask.
+
+ BUGS CORRECTED:
+ - reading some binary file was leading to a bus error.
+ - patch from Detlef Schmier <detlef@mfr.dec.com>
+ - the ? character is no longer used when writing an XPM file in order
+ to avoid possible ANSI trigraphs.
+
+3.3alpha (93/08/13)
+
+ NEW FEATURES:
+ - a new level interface is provided to allow applications to do either
+ icon editing or data caching.
+ The XpmAttributes has been changed but most applications will just
+ need to be recompiled.
+ - new structures are provided to deal with the new lower level:
+ XpmImage, XpmColor, XpmInfos.
+
+ - a separate distribution called xpm-contrib is available. This
+ includes the converters which used to be part of this distribution
+ plus:
+ two new applications:
+ * nexpm to draw a pixmap in *any* existing window from
+ Ralph Betza <gnohmon@ssiny.com>
+ * xpmview to display a list of Xpm files from
+ Jean Michel Leon <leon@sophia.inria.fr>
+
+ a hacky string to pixmap converter, provided by
+ Robert H. Forsman Jr. <thoth@manatee.cis.ufl.edu>
+
+ The Xpm editor called pixmap will also be part of this contrib.
+ This does not mean it is the best pixmap editor one can find
+ but it is the only one that I know of which tries to handle
+ all the features of this format.
+
+ ENHANCEMENTS:
+ - the code to build XImage data has been optimized by
+ jules@x.co.uk (Julian Gosnell)
+ the old code is still available when compiling with the
+ -DWITHOUT_SPEEDUPS flag.
+
+ - closecolor code was not re-entrant
+ - dbl@visual.com (David B. Lewis)
+ - fix gzip filename (*.gz and no longer *.z).
+ - Jason Patterson <jasonp@fitmail.fit.qut.edu.au>
+ - sxpm has 2 new options:
+ -nom to do not display the mask if there is one
+ -cp <color> <pixel> to override a color value with a given
+ pixel, i.e. sxpm plaid.xpm -cp red 4
+
+ also the '-s' adn '-p' options have been renamed to '-sc' and '-sp'.
+
+ - xpm.h defines XpmFormat, XpmVersion, and XpmRevision numbers.
+
+ BUGS CORRECTED:
+ - closecolor minor fix
+ - Jason Patterson <jasonp@fitmail.fit.qut.edu.au>
+
+3.2g (93/04/26)
+
+ ENHANCEMENTS:
+ - much faster close colors
+ - piping from/to compressed files now handles GNU's gzip (.z) format
+ - added XpmColorKey attribute - ability to specify which visual's
+ colors to use (ie: now it's possible to read in a pixmap in a
+ color visual, but use the colors specified for monochrome).
+ - added -mono, -grey4, -grey and -color options to sxpm to demonstrate
+ the XpmColorKey attribute.
+ - Jason Patterson <jasonp@fitmail.qut.edu.au>
+
+ BUGS CORRECTED:
+ - fixed bug where redefining "None" as a pixel stopped mask generation
+ - minor SVR4 defines for <string.h>
+ - fixed annoying closecolor bug related to read/write color cells
+ - fixed minor bug in color value -> pixel overloading
+ - manual updated to include new red/green/blue closeness attributes
+ - Jason Patterson <jasonp@fitmail.qut.edu.au>
+
+ - the top Imakefile was missing the depend target
+ - sxpm/Imakefile fixed so that -L../lib is set before the standard
+ library location.
+ - Vivek Khera <khera@cs.duke.edu>
+
+ - lib/xpmP.h now defines bcopy as memcpy for VMS (required by recent
+ versions of VMS)
+ - J. Daniel Smith <dsmith@ann-arbor.applicon.slb.com>
+
+ - the lib/Imakefile didn't work with X11R4.
+
+
+3.2f (93/03/17)
+
+ NEW FEATURES:
+ - the library provides four new functions to deal with Xpm files
+ loaded in memory as single character strings buffers:
+
+ XpmCreateImageFromBuffer
+ XpmCreatePixmapFromBuffer
+ XpmCreateBufferFromImage
+ XpmCreateBufferFromPixmap
+
+ - in addition, as a convenience, two functions are provided to copy a
+ file in a buffer and to write a file from a buffer:
+
+ XpmReadFileToBuffer
+ XpmWriteFileFromBuffer
+
+ ENHANCEMENTS:
+ - Files are now dispatched in the following sub-directories:
+ lib, sxpm, and doc.
+ - Imakefiles will let you build a shared library as well as the static
+ one (with either X11R4 or X11R5).
+ - The documentation has been ported from LaTeX to FrameMaker and is
+ now included in the distribution in its PostScript form (doc/xpm.ps).
+ Source files are available on request.
+ Also the documentation has been reorganized and includes a table of
+ contents and an index of the functions (the number of functions
+ increasing this became a requisite).
+
+ BUGS CORRECTED:
+ - Many warnings have been fixed - patch from Daniel Dardailler
+ daniel@osf.org
+
+3.2e (93/02/05)
+
+ ENHANCEMENTS:
+ - use XpmMalloc, XpmRealloc, XpmCalloc, and XpmFree which are defines
+ in xpmP.h. This should help people wanting to use their own functions.
+
+ BUGS CORRECTED:
+ - Intrinsic.h is no longer included.
+ - bzero is defined as memset on SYSV and SVR4.
+ - some memory initialization bug concerning XpmAttributes.
+
+3.2d (93/01/27)
+
+ ENHANCEMENTS:
+ - compile on Solaris 2.0
+ - patch from Clint Jeffery <cjeffery@cs.arizona.edu>
+
+ BUGS CORRECTED:
+ - shape masks are now set correctly for LSBFirst (Decs).
+ - pixmaps are now set correctly for 2 bit displays (Nexts).
+ - patch from Josef Leherbauer <joe@takeFive.co.at>
+ - isspace was called on getc which fails when EOF is returned.
+ - Marelli Paolo <marelli@colos3.usr.dsi.unimi.it>
+
+3.2c (92/12/29)
+
+ ENHANCEMENTS:
+ - parsing optimized for single and double characters color
+ - patch originally from Martin Brunecky
+ marbru@build1.auto-trol.com
+
+ BUGS CORRECTED:
+ - XpmFreeExtensions was calling free on some argument without checking
+ it was not NULL.
+ - strdup was not correctly defined for systems which do not provide
+ it. - Hans-Peter Lichtin <lich@zellweger.ch>
+ - some bug in XpmCrDataFI.c
+ - Sven Delmas garfield@avalanche.cs.tu-berlin.de
+
+ NOTE:
+ - there is still a bug with the creation of the clipmask on display of
+ depth 2 but I can't find a fix because unfortunately I don't have such
+ a rendering system and nobody gets the time to investigate for me.
+
+3.2b (92/10/19)
+
+ ENHANCEMENTS:
+ - Create XpmReadFileToData and XpmWriteFileFromData
+ - Dan Greening <dgreen@sti.com>
+ - added "close colors" support and ability to redefine color values
+ as pixels at load time, as well as color names
+ - Jason Patterson <jasonp@fitmail.qut.edu.au>
+ - errors while parsing or allocating colors now revert to other
+ visual defaults, creating pixmap/image as expected, and returning
+ XpmSuccess. The old behavior of XpmColorError being returned and no
+ pixmap/image being created can be retained by setting the
+ exactColors attribute.
+ - Jason Patterson <jasonp@fitmail.qut.edu.au>
+
+ BUGS CORRECTED:
+ - SVR4 defines for including <string.h> instead of <strings.h>
+ - Jason Patterson <jasonp@fitmail.qut.edu.au>
+ - attributes->extensions and attributes->nextensions fields were not
+ set correctly when no extensions present in file.
+ - Simon_Scott Cornish <cornish@ecr.mu.oz.au>
+
+3.2a (92/08/17)
+
+ ENHANCEMENTS:
+ - use the mock lisp hashing function instead of the gnu emacs one,
+ it is faster in some cases and never slower (I've not found any case).
+
+ BUGS CORRECTED:
+ - function prototypes for ansi compilers.
+ - some memory initialization bugs (purify is just great for this).
+ - empty strings in extensions are now correctly handled.
+
+3.2 (92/07/06)
+
+ NEW FEATURES:
+ - both format and functions handle extensions data. This allow people
+ to store additional data related to a pixmap. See documentation for
+ detail.
+ - sxpm supports the new option '-c' to use a private colormap. This is
+ useful when displaying pixmaps using a lot of colors.
+ - sxpm supports the new option '-v' (verbose) to get possible
+ extensions print out on standard error.
+
+ ENHANCEMENTS:
+ - most of the code has been reworked to be improved and thus almost
+ every function is faster. It takes less than 6 seconds of real time on
+ a sun4 to display, with sxpm, a 487x635 pixmap using 213 colors, while
+ it takes 32 seconds with the old library! It takes 18 seconds to
+ display a 1279x1023 screen dump using 14 colors while xwud takes 10
+ seconds.
+ Of course performance improvements are not always that great, they
+ depend on the size and number of colors but I'm sure everybody will
+ appreciate ;-)
+ I know how to improve it more but this will require changes in the
+ architecture so this is not for now. Some optimizations have been
+ contributed by gregor@kafka.saic.com (gregg hanna) and
+ jnc@csl.biosci.arizona.edu (John N. Calley).
+ - the Imakefile is modified to let you install sxpm - Rainer Klute
+ <klute@irb.informatik.uni-dortmund.de>
+ - xpmP.h declares popen for Sequent platforms - Clinton Jeffery
+ <cjeffery@cs.arizona.edu>
+ - XpmWriteFileFromImage/Pixmap rather than truncating the pixmap name
+ to the first dot changes dots to underscores to get a valid C syntax
+ name.
+
+
+ BUGS CORRECTED:
+ - there was a bug in the image creation function for some 24 bits
+ displays. It is fixed.
+ - allocated color pixels are now freed when an error occurs -
+ nusser@dec1.wu-wien.ac.at (Stefan Nusser)
+
+ CHANGES TO THE DOC:
+ - the documentation describes the new XpmExtension structure and how
+ to use it with read and write functions.
+
+3.1 (92/02/03)
+
+ ENHANCEMENTS:
+ - sxpm now have more standard options (mainly suggested by
+ Rainer Sinkwitz <sinkwitz@ifi.unizh.ch>):
+
+ Usage: sxpm [options...]
+ Where options are:
+
+ [-d host:display] Display to connect to.
+ [-g geom] Geometry of window.
+ [-hints] Set ResizeInc for window.
+ [-icon filename] Set pixmap for iconWindow.
+ [-s symbol_name color_name] Overwrite color defaults.
+ [-p symbol_name pixel_value] Overwrite color defaults.
+ [-plaid] Read the included plaid pixmap.
+ [filename] Read from file 'filename', and from
+ standard input if 'filename' is '-'.
+ [-o filename] Write to file 'filename', and to standard
+ output if 'filename' is '-'.
+ [-nod] Don't display in window.
+ [-rgb filename] Search color names in the rgb text file
+ 'filename'.
+
+ if no input is specified sxpm reads from standard input.
+
+
+ - Xpm functions and Ppm converters now deal with multiword colornames.
+ patches from Rainer Sinkwitz <sinkwitz@ifi.unizh.ch>.
+
+
+3.0 (91/10/03)
+
+ Functions name and defines have been modified again (sorry for that)
+ as follows:
+
+ XpmReadPixmapFile XpmReadFileToPixmap
+ XpmWritePixmapFile XpmWriteFileFromPixmap
+
+ XpmPixmapColorError XpmColorError
+ XpmPixmapSuccess XpmSuccess
+ XpmPixmapOpenFailed XpmOpenFailed
+ XpmPixmapFileInvalid XpmFileInvalid
+ XpmPixmapNoMemory XpmNoMemory
+ XpmPixmapColorFailed XpmColorFailed
+
+ To update code using Xpm you can use the included shell script called
+ rename with the sed commands files name-3.0b-3.0c and name-3.0c-3.0.
+ Old names still valid though.
+
+ NEW FEATURES:
+ - four new functions to work with images instead of pixmaps:
+
+ XpmReadFileToImage
+ XpmWriteFileFromImage
+ XpmCreateImageFromData
+ XpmCreateDataFromImage
+
+ ENHANCEMENTS:
+ Algorithms to create and scan images and pixmaps are based on the
+ MIT's R5 code, thus they are much cleaner than old ones and should
+ avoid any problem with any visual (yes, I trust MIT folks :-)
+
+ BUGS CORRECTED:
+ Imakefile use INCDIR instead of ROOTDIR.
+
+ CHANGES TO THE DOC:
+ - the documentation presents the four new functions.
+
+3.0c (91/09/18)
+
+ In answer to request of people functions, types and defines names have
+ been changed as follows:
+
+ XCreatePixmapFromData XpmCreatePixmapFromData
+ XCreateDataFromPixmap XpmCreateDataFromPixmap
+ XReadPixmapFile XpmReadPixmapFile
+ XWritePixmapFile XpmWritePixmapFile
+ XFreeXpmAttributes XpmFreeAttributes
+
+ PixmapColorError XpmPixmapColorError
+ PixmapSuccess XpmPixmapSuccess
+ PixmapOpenFailed XpmPixmapOpenFailed
+ PixmapFileInvalid XpmPixmapFileInvalid
+ PixmapNoMemory XpmPixmapNoMemory
+ PixmapColorFailed XpmPixmapColorFailed
+
+ ColorSymbol XpmColorSymbol
+
+ Generally speaking every public name begins with 'Xpm' and every
+ private one with 'xpm'. This should avoid any possible conflict.
+
+ Some files have also be renamed accordingly.
+
+ NEW FEATURES:
+ - support for VMS and two new options for sxpm: icon and hints (see
+ manual for details) Richard Hess <rhess%pleione%cimshop@uunet.UU.NET>
+ - DEFINES in Imakefile and Makefile.noXtree allows you to set the
+ following:
+
+ ZPIPE for un/compressing piped feature (default is on)
+ NEED_STRCASECMP for system which doesn't provide one (default
+ is off)
+
+ - xpmtoppm.c has is own strstr function which is used if NEED_STRSTR
+ is defined when compiling - Hugues.Leroy@irisa.fr (Hugues Leroy).
+
+ BUGS CORRECTED:
+ - many bugs have been fixed, especially for ansi compilers -
+ Doyle C. Davidson (doyle@doyled.b23b.ingr.com) and
+ Clifford D. Morrison (cdm%bigdaddy%edsr@uunet.UU.NET)
+ - parser is again a little more improved
+
+3.0b (91/09/12)
+
+ This is a complete new version with a new API and where files and
+ structures have been renamed. So this should be taken as a new
+ starting release.
+ This release should be quickly followed by the 3.0 because I'm planning
+ to send it for X11R5 contrib which ends October 5th.
+
+ NEW FEATURES:
+ - support for transparent color.
+ - support for hotspot.
+ - a new function: XCreateDataFromPixmap to create an XPM data from a
+ pixmap in order to be able to create a new pixmap from this data using
+ the XCreatePixmapFromData function later on.
+ - a new structure: XpmAttributes which replace the XpmInfo structure
+ and which leads to a much simpler API with less arguments.
+ - arguments such as visual, colormap and depth are optional, default
+ values are taken if omitted.
+ - parsing and allocating color failures don't simply break anymore. If
+ another default color can be found it is used and a PixmapColorError
+ is returned. In case no color can be found then it breaks and returns
+ PixmapColorFailed.
+ - for this reason the ErrorStatus codes are redefined as follows:
+
+ null if full success
+ positive if partial success
+ negative if failure
+
+ with:
+ #define PixmapColorError 1
+ #define PixmapSuccess 0
+ #define PixmapOpenFailed -1
+ #define PixmapFileInvalid -2
+ #define PixmapNoMemory -3
+ #define PixmapColorFailed -4
+
+ - sxpm prints out a warning when a requested color could not be parsed
+ or alloc'ed, and an error when none has been found.
+ - sxpm handles pixmap with transparent color. For this purpose the
+ plaid_mask.xpm is added to the distribution.
+
+ BUGS CORRECTED:
+ - I've again improved the memory management.
+ - the parser is also improved.
+ - when writing a pixmap to a file the variable name could be
+ "plaid.xpm" which is not valid in C. Now the extension name is cut off
+ to give "plaid" as variable name.
+ - reading multiple words colornames such as "peach puff" where leading
+ to non readable Xpm files. They are now skipped to have only single
+ word colorname. Lionel Mallet (mallet@ipvpel.unipv.it).
+ - parser was triggered by the "/" character inside string.
+ Doyle C. Davidson (doyle@doyled.b23b.ingr.com). This is corrected.
+ - sxpm maps the window only if the option "-nod" is not selected.
+
+ CHANGES TO THE DOC:
+ - the documentation presents the new API and features.
+
+3.0a (91/04/10)
+
+ This is an alpha version because it supports the new version of XPM,
+ but the library interface is still the same. Indeed it will change in
+ future release to get rid of obsolete stuff such as the type argument
+ of the XWritePixmapFile function.
+
+ ******************************* WARNING *********************************
+ The format is not anymore XPM2, it is XPM version 3 which is XPM2
+ limited to the C syntax with the key word "XPM" in place of "XPM2 C".
+ The interface library has not changed yet but the type argument of
+ XWritePixmapFile and the type member of XpmInfo are not used anymore.
+ Meanwhile the library which is now called libXpm.a is backward
+ compatible as XPM2 files can be read. But the XWritePixmapFile
+ function only writes out XPM version 3 files.
+ *************************************************************************
+
+ NEW FEATURES:
+ - the library doesn't use global variables anymore, thus it should be
+ able to share it.
+ - sxpm has been rewritten on top of Xt, it can be used to convert
+ files from XPM2 to XPM version 3.
+ - xpm1to2c.perl has been upgraded to the new XPM version and renamed
+ as xpm1to3.perl
+ - ppmtoxpm2.c and ppmtoxpm2.1 have been upgraded too and renamed
+ ppmtoxpm.c and ppmtoxpm.1. In addition the xpmtoppm.c and xpmtoppm.1
+ of the pbmplus package have been upgraded too. xpmtoppm can thus
+ convert XPM version 1 and 3 to a portable pixmap. These files should
+ replace the original ones which are part of the pbmplus package. See
+ the ppm.README file for more details.
+ - the library contains RCS variables which allows you to get revision
+ numbers with ident (which is part of the RCS package). The Id number
+ is an internal rcs number for my eyes only. The official one is found
+ in Version.
+
+ BUGS CORRECTED:
+ - the memory management has been much improved in order to avoid
+ memory leaks.
+ - the XImage building algorithm has been changed to support correctly
+ different visual depths. There is special code to handle depths 1, 4,
+ 6, 8, 24, and 32 to build the image and send it in one whack, and
+ other depths are supported by building the image with XPutPixel which
+ is slow but sure.
+ - similar algorithms are used to read pixmaps and write them out.
+
+ CHANGES TO THE DOC:
+ - the documentation presents the new XPM format.
+
+
+2.8 (90/12/19)
+
+ ******************************* WARNING *********************************
+ Since the last release two structures have been modified and have now
+ bigger sizes, so ANY CODE USING THE libXPM2 NEEDS TO BE RECOMPILED.
+ *************************************************************************
+
+ NEW FEATURES:
+ - the ColorSymbol struct contains the new member 'pixel' which allow
+ to override default colors by giving a pixel value (in such a case
+ symbol value must be set to NULL),
+ - the XpmInfo struct contains the new member 'rgb_fname' in which one
+ can specify an rgb text file name while writing a pixmap with the
+ XWritePixmapFile function (otherwise this member should be set to
+ NULL). This way colorname will be searched and written out if found
+ instead of the RGB value,
+ - Imakefile originally provided by stolcke@ICSI.Berkeley.EDU,
+ - the old Makefile is now distributed as Makefile.noXtree and presents
+ install targets,
+ - the demo application is renamed sxpm (Show XPM), creates a window of
+ the size of the pixmap if no geometry is specified, prints out
+ messages instead of status when an error occurs, handles the new
+ option -p for overriding colors by giving a pixel value (not really
+ useful but is just here to show this new feature), handles the new
+ option -rgb for specifying an rgb text file, and ends on
+ keypress as buttonpress,
+ - defines for SYSV have been provided by Paul Breslaw
+ <paul@mecazh.uucp>,
+ - the distribution includes a new directory called converters which
+ contains xpm1to2 and xpm1to2c perl converters and a ppmtoxpm2
+ converter provided by Paul Breslaw who upgraded the original ppmtoxpm
+ written by Mark W. Snitily <mark@zok.uucp>.
+
+ CHANGES TO THE DOC:
+ - this file is created and will give old users a quick reference to
+ changes made from one release to the next one,
+ - documentation is changed to present the new ColorSymbol structure
+ and the way to override colors by giving a pixel value, and to present
+ the new XpmInfo structure and how to use it,
+ - a man page for sxpm is added to the distrib,
+ - the README file talks about sxpm and no more demo, and have
+ reference to the different converters.
+
+2.7 (90/11/12)
+
+ NEW FEATURES:
+ - XReadPixmapFile reads from stdin if filename is NULL,
+ - XWritePixmapFile writes to stdin if filename is NULL,
+ - the demo application handles the new option -nod for no displaying
+ the pixmap in a window (useful when used as converter).
+
+ CHANGES TO THE DOC:
+ - documentation about the new feature.
+
+2.6 (90/10/29)
+
+ NEW FEATURES:
+ - from nazgul@alphalpha.com (Kee Hinckley): changes to make the
+ library usable as C++ code, and on Apollo without any warning.
+
+ BUGS CORRECTED:
+ - from nazgul@alphalpha.com (Kee Hinckley): the xpm include files was
+ declaring XWritePixmapFile as taking in arg a Pixmap pointer instead
+ of a Pixmap.
+
+2.5 (90/10/17)
+
+ BUGS CORRECTED:
+ - XWritePixmapFile was not closing the file while ending normally.
+
+2.4 (90/09/06)
+
+ NEW FEATURES:
+ - XReadPixmapFile reads from a piped uncompress if the given filename
+ ends by .Z or if filename.Z exists,
+ - XWritePixmapFile writes to a piped compress if the given filename
+ ends by .Z.
+
+ BUGS CORRECTED:
+ - demo now deals with window manager.
+
+ CHANGES TO THE DOC:
+ - documentation about compressed files management.
+
+2.3 (90/08/30)
+
+ BUGS CORRECTED:
+ - handle monochrome display correctly,
+ - comments can be empty.
+
+2.2 (90/08/27)
+
+ BUGS CORRECTED:
+ - when reading some invalid free was dumping core on some machine.
+
+2.1 (90/08/24)
+
+ First distribution of XPM2.
+