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/* $Id: metadefs.h,v 1.1 1996/10/22 18:22:09 furnish Exp $
* $Log: metadefs.h,v $
* Revision 1.1 1996/10/22 18:22:09 furnish
* Update the OS/2 driver with fixes supplied by Thorsten Feiweier.
*
* Revision 1.10 1995/03/16 23:23:45 mjl
* Obsoleted old metafile types and other cleaning up.
*
* Revision 1.9 1993/11/15 08:31:37 mjl
* Bumped metafile version number since now write pages info to header.
*
* Revision 1.8 1993/08/09 22:16:39 mjl
* Miscellaneous cleaning up.
*
* Revision 1.7 1993/07/31 08:08:40 mjl
* Added macro CHANGE_STATE for new state driver function.
*
* Revision 1.6 1993/07/02 07:21:12 mjl
* Added header definitions for use by TK driver. Also new macros for plplot
* bop/eop commands.
*/
/*
metadefs.h
Geoffrey Furnish
5 May 1991
This file contains definitions of constants and structures which
are needed by the PLplot metafile writer and renderer.
*/
/*
* PLMETA_HEADER holds the magic string at head of metafile.
* PLMETA_VERSION holds the version number (year & letter).
*
* Note: All strings written into the file header are limited to a maximum
* of 80 characters.
*/
#define PLMETA_HEADER "PLPLOT"
#define PLMETA_VERSION "1993c"
/* These are used by the TK driver client/server code */
#define PLSERV_HEADER "PLPLOT"
#define PLSERV_VERSION "1993b"
/* Symbolic constants for old metafile versions (prior to 1992a). */
/* Now these are stored in the metafile header. */
#define PLMETA_X_OLD 10000
#define PLMETA_Y_OLD 10000
/* Virtual dots/mm for our virtual display space. */
#define PIXEL_RES_X_OLD 42
#define PIXEL_RES_Y_OLD 56
/* Macros to make it easier to abort on nonzero return code */
/* Can't call plexit on a write failure since that would be circular */
#define plm_wr(code) \
if (code) { fprintf(stderr, "Unable to write to MetaFile\n"); exit(1); }
#define plm_rd(code) \
if (code) plexit( "Unable to read from MetaFile" )
/*
Metafile commands.
*** NOTICE !!! ***
If you change ANY of the following, you will wreck backward
backward compatibility with old metafiles. You may add, but do
NOT delete !!!
*/
#define INITIALIZE 1
#define CLOSE 2
#define SWITCH_TO_TEXT 3 /* Obsolete, replaced by ESCAPE */
#define SWITCH_TO_GRAPH 4 /* Obsolete, replaced by ESCAPE */
#define EOP 5
#define BOP 6
#define NEW_COLOR 7 /* Obsolete, replaced by CHANGE_STATE */
#define NEW_WIDTH 8 /* Obsolete, replaced by CHANGE_STATE */
#define LINE 9
#define LINETO 10
#define ESCAPE 11
#define ADVANCE 12 /* Obsolete, BOP/EOP used instead */
#define POLYLINE 13
#define NEW_COLOR0 NEW_COLOR
#define NEW_COLOR1 14
#define CHANGE_STATE 15
#define END_OF_FIELD 255
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