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/* $Id: plplotter.c,v 1.17 2004/01/17 16:41:37 rlaboiss Exp $
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* $Log: plplotter.c,v $
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* Revision 1.17 2004/01/17 16:41:37 rlaboiss
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* This jumbo cvs commit is the result of a herculean task to update the
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* copyright notices of most of the source files of PLplot.
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* I hope that I did not introduce any serious breakage. This seems plausible,
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* because I did changes only at the beginning of the files and only in
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* commented lines. However, I used a semi-automatic procedure for doing that
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* and some bugs may have slipped into the files. The sources still build okay
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* (at least the Debian packages) and I can install the libraries, and compile
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* and run some C examples. That is not enough, so PLEASE TEST!
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* This is what I did in more detail:
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* 1) From the CVS ChangeLog, I considered all the files that changed since the
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* last release (5.2.1). I then added the line:
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* Copyright (C) 2004 Joe C. V. S. Committer
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* where the name of the developper who did the CVS commit is included.
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* 2) Notice that the year in the line above should read 2004, even if the
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* changes were done last year, since Copyright years refer to when the
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* software is released.
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* 3) For the same reason, I did not bother adding missing Copyright entries
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* for previous authors of each file. One copyright holder is enough for
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* 4) I also reformatted and reworded the License Conditions text. This
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* included changing things like "This file is free software" to "PLplot is
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* free sofware" and so on.
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* 5) Finally, some files were lacking License notices, especially the src/*.c.
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* I added them and put in the Copyright holder line the name of the
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* developer who did the last cvs commit for the file.
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* If you wish to know where your name appears, you can run from the
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* grep -ri "copyright.*2004".
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/* $Id: plplotter.c,v 1.20 2005/04/27 06:43:39 rlaboiss Exp $
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* Copyright (C) 2004 Joao Cardoso
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* This file is part of PLplot.
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* You should have received a copy of the GNU Library General Public License
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* along with PLplot; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* Revision 1.16 2003/10/29 19:40:54 jcard
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* Mostly cosmetic changes that enable plplot to compiled with (almost) no warnings, even with gcc -Wall.
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* Most changes are just casts, and most of them are tcl/tk related. For tcl/tk-8.4, no warnings occurs.
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* Also tested with tcl/tk-8.3, where some warnings remain.
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* There are no java/f77/cxx/python/octave changes.
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* Revision 1.15 2002/12/03 08:39:22 airwin
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* Merged AT branch into MAIN, a new configuration era has started
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* Revision 1.14.2.1 2002/11/29 22:58:14 airwin
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* Finish AT tcl binding. These are only small fairly non-consequential
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* refinements that I did while trying to debug the extended search problem
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* (which had a simple solution which I will discuss on list).
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* Prepare the start of the tk and tk-x-plat bindings by dropping "plplot/"
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* from the #include statements in the source files.
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* Revision 1.14 2002/08/05 17:21:15 vincentdarley
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* Revision 1.13 2002/08/05 15:05:02 vincentdarley
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* removed redundant defintion
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* Revision 1.12 2002/08/05 14:10:16 vincentdarley
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* removed dependence on tkInt, fixed win-tk compile
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* Revision 1.11 2002/07/28 22:41:15 airwin
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* Split tkwin.c into tkwin_common.c and tkwin.c to remove cross-linking issue
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* and allow tkwin.c to act like a normal driver. So the last "special" version
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* Reconfigured library dependencies and link lines so that we now have reasonably
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* rational hierarchical dependencies and linking on Linux.
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* Revision 1.10 2002/07/15 18:11:33 vincentdarley
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* plwidget partial merge
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* Revision 1.9 2002/07/13 15:34:55 airwin
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* Work around missing compat/limits.h in private includes from tcl/tk.
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* Revision 1.8 2002/07/12 16:59:26 vincentdarley
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* option class for plframes fixed
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* Revision 1.7 2002/07/11 08:52:03 vincentdarley
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* resolve name conflict between tk, tk-x-plat
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* Revision 1.6 2002/07/10 16:12:11 airwin
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* Need these #include's for Linux/Unix.
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* Revision 1.5 2002/07/10 14:02:28 vincentdarley
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* remove need for internal tcl
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* Revision 1.4 2002/07/10 13:59:25 vincentdarley
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* removing symbols conflict with xwin and use tk.h
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* Revision 1.3 2002/07/10 09:52:38 vincentdarley
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* resolve name clashes, and sync pltools.tcl
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* Revision 1.2 2002/07/05 17:17:46 vincentdarley
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* removed compiler warnings
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* Revision 1.1 2002/07/02 09:03:44 vincentdarley
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* Revision 1.62.4.1 2000/07/28 17:48:10 airwin
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* AWI: pltk patch changes to existing files
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* Revision 1.60 1999/09/06 vince
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* Simplified things for Tcl/Tk 8.2, streamlined interface between plwidget
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* (Plplotwin) and this widget. Added optional argument 'wait' to some
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* of the 'view' subcommands so the plot is only ever updated once after
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* zooming/resetting. Previously it could be updated/redrawn/resized
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* as many as three times, when the user really only carried out one
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* operation. Plplotwin code updated to use new wait argument.
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* Revision 1.59 1998/08/21 21:35:14 vince
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* Fixes to compile under Unix with Tcl8.
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* '-background' config option works properly now (with redraw/dbl-buffer etc)
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* Scrollbars were having some problems; not sure why, so I rewrote
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* them to use the new syntax for Tk4 and newer. It's actually much
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* simpler than the old stuff. Replaced functions xScroll and yScroll
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* by one simple 'Scroll'. Renamed widget commands xscroll and yscroll
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* to xview and yview so (i) they're like the newer Tk widgets and
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* (ii) so they give an obvious error if you try to use the old mechanism.
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* Fixed the weird init process in the widget where there were all
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* sorts of problems due to widget not being mapped when desired
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* etc. These seemed to break with each successive Tk release.
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* The solution? Force the window into existence (not onto the
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* screen, just into existence inside Tk, so Tk_WindowId(tkwin)
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* works) using Tk_MakeWindowExist, then you can continue with
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* the initialisation immediately.
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* Rearranged a few things to be more like the widgets in
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* the Tk 8 distribution. Works on Windows. I hope it
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* still works on Unix and MacOS!
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* Revision 1.58 1996/07/13 21:35:14 vince
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* Fixed for cross-platform support. Works on MacOS now.
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* Removed backwards compatibility stuff (for old Tcl/Tk).
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* This is designed to be a cross-platform widget now, and that
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* old stuff was just getting in the way.
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* Some stuff like OpenLink, Print don't work on MacOS yet.
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* Uses the new 'tkwin' driver rather than 'xwin'.
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* Crosshair cursor always used in plot now, if the plot is 'active'
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* -- set with a new configuration option -activeplot
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* Added ButtonPressEH for rubber-banding.
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* Revision 1.57 1996/06/26 21:35:14 furnish
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* Various hacks to support Tcl 7.5 and Tk 4.1.
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* Revision 1.56 1996/02/24 05:06:30 shouman
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* Added #ifdef to allow compilation without itcl.
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* Set value of ndev on call to plgFileDevs (bounds check).
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* Revision 1.55 1996/02/23 21:03:57 furnish
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* Introduce support for rubber banding in the plframe. This entails
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* adding new functions to support drawing, updating, etc, the rubber
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* band, and also fixing some of the old event handlers for the xhairs so
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* that they work for both the xhairs and the rubber band, possibly even
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* both simultaneously. Initial testing seems to indicate this is
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* working just fine. However, we probably need to add some more
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* configuration support so Tcl apps can query, set, and otherwise
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* manipulate the rubber band ends. Anyway, it is a good start.
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* Revision 1.54 1995/09/22 16:04:11 mjl
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* Fixes to names of member variables of PLiodev structs.
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* Revision 1.53 1995/09/18 20:15:46 furnish
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* Some changes to mirror what was done to Tk in the newest itcl 2.
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* Revision 1.52 1995/08/22 16:17:22 mjl
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* Widget configure command now only calls for a refresh when required (i.e.
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* when geometry is changed). Bug in ConfigureNotify event handling fixed
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* (first seen under Tk4 for some reason). Locator report changed to be
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* of the form "<x> <y>", where <x> is the floating point representation
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* of the x coordinate, etc.
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* Revision 1.51 1995/06/02 20:32:58 mjl
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* Fixed obscure bug that was causing the plframe to not be properly
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* redisplayed after a zoom in some cases.
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* Revision 1.50 1995/06/01 21:23:10 mjl
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* Changed header file inclusions.
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* Revision 1.49 1995/05/26 20:13:01 mjl
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* Changed "save as" widget command to accept device keyword, not number.
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* Eliminated "info devices" widget command in favor of "info devkeys", which
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* returns device keywords, and "info devnames", which returns device names.
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* Revision 1.48 1995/05/19 22:24:18 mjl
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* Fixes for Tk 4.0. Updated Tk_Draw3DRectangle syntax when compiling with
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* Tk versions 4.0 and later. Eliminated -geometry option for much the same
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* reason as it was eliminated in the Tk 4.0 frame, to avoid problems with
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* some valid X *geometry specifications. Use -width and/or -height instead.
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* Code is still compatible with Tk 3.6 and should remain so for a while.
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* Newer Tk 4.0 frame options like -class, -colormap, and -visual will be
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* added at a later date.
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* Revision 1.47 1995/05/08 20:26:26 mjl
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* Split the crossing event handler into separate enter and leave event
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* handlers to better keep track of whether we should be drawing graphic
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* crosshairs or not. Now works properly under all combinations of expose,
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* pointer in or out of window, and with or without a pixmap, as far as I can
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* Revision 1.46 1995/05/06 17:10:51 mjl
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* Added EnterNotify and LeaveNotify event handling, to draw or undraw
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* crosshairs as needed. Improved debugging output.
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* Revision 1.45 1995/04/17 19:21:52 furnish
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* Implemented a new "report" widget command for performing on-demand
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* translations of window coordinates to world coordinates. This is
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* especiallly useful when invoked from within a Tk binding.
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* Revision 1.44 1995/04/12 08:08:09 mjl
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* A data link cleanup command added.
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* Revision 1.43 1995/03/16 23:07:26 mjl
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* Implemented graphic crosshairs, which are turned on or off using the
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* "-xhairs <boolean>" widget configure command. This inserts an event handler
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* to draw and update the graphic crosshairs on cursor motion, as well as
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* intercepting cursor key movements and moving the drawn cursor appropriately.
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* The expose event handling was broken off into a separate handler and changed
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* to redraw the graphic crosshairs if necessary.
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* Revision 1.42 1995/01/13 23:20:44 mjl
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* Changed widget commands to set/get the cmap1 palette to handle the new
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* "rev" cmap1 control point attribute.
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* Revision 1.41 1994/10/11 18:54:50 mjl
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* Now uses "early initialization" of PLplot X driver so that the fg/bg
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* colors can be set from the plframe widget. This ensures that fg/bg colors
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* are consistent in both the widget and the driver, even if the bg color is
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* changed dynamically (through program or user interface control). A bug
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* fixed in the xor GC also. This fixes problems with the rubber-band
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* drawing (used in zooms), where the line color would sometimes change or be
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* hard to see against the background.
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* Revision 1.40 1994/09/23 07:39:14 mjl
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* Incorrect order of calls to freeing malloc'ed memory at exit fixed, found
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* by Brent Townshend.
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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removed
bindings/tk-x-plat/plplotter.c
