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44348 6747 d 14 h ripley /trunk/src/include/ clean up  
44347 6747 d 14 h ripley /trunk/src/ use GEhandleEvent for consistency
make GraphicsBase.h private by moving up a dir.		  
44343 6747 d 17 h ripley /trunk/ remove support for pre-1.4.0 (!) graphics snapshots
move dpSavedptr entirely to base.c
use [dg]pptr not Rf_[dg]pptr in code
more description of graphics subsystems		  
44342 6747 d 19 h ripley /trunk/src/ various tidying up: mainly to use invarint device settings directly  
44312 6750 d 12 h ripley /trunk/src/ more tidying up of code for colors.  
44296 6752 d 8 h ripley /trunk/src/include/ C89 fix  
44288 6753 d 5 h ripley /trunk/src/ don't use opaque pointer for GEDevDesc internally in R  
44285 6753 d 6 h ripley /trunk/ use pGEDevDesc as pointer type.
remove unused do_replay.
don't set dd->open on devices (unused) nor newDevStruct.
tidy up duplication in header files.		  
44267 6753 d 15 h ripley /trunk/src/ more tweaks to graphics headers  
44265 6753 d 16 h ripley /trunk/src/ more phasing out of Rdevices.h  
44262 6753 d 17 h ripley /trunk/src/ start phasing out use of Rdevice.h (old devices interface)  
44259 6753 d 19 h ripley /trunk/ clean up some of the graphics internals:
- DevDesc is no longer a real structure, and DevDsec* is an opaque pointer
to GEDevDesc.
- add functions like GEaddDevice to avoid the need for (pointless) casts.
- add conveneience funtion desc2GEDesc		  
44258 6754 d 5 h ripley /trunk/src/include/ revert - just committed to get on record  
44257 6754 d 5 h ripley /trunk/src/ add desc2GEDesc and make use of it  
44249 6754 d 16 h ripley /trunk/src/ reduce use of Graphics.h where unneeded
split out color stuff to Colors.h		  
44240 6754 d 20 h ripley /trunk/src/ replace str2col (which was private) by its previous wrapper R_GE_str2col
(and so engine.c does not call layer above).
Assume newDevDesc, so engine.c does not need Graphic.h		  
44197 6757 d 4 h ripley /trunk/src/include/ use of void, add comments  
44158 6759 d 4 h ripley /trunk/ more work on graphics, change font default on contour  
44154 6759 d 10 h ripley /trunk/src/ more graphics tidying up  
44142 6759 d 19 h ripley /trunk/src/ A little re-organization to start moving towards making plot/graphics/base
solely the base graphics system. In paticular, calls from grid are now in
other files.
Colour handling has been moved from graphics.c to colors.c, and
device-handing split out into devices.c.
The header files reflect these changes.		  

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