diff options
author | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
commit | 487ca4806cc046076293cf6cc5fbba0db282bac7 (patch) | |
tree | 847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/seetexk/dviclass.h | |
parent | a3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff) |
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/seetexk/dviclass.h')
-rw-r--r-- | Build/source/texk/seetexk/dviclass.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Build/source/texk/seetexk/dviclass.h b/Build/source/texk/seetexk/dviclass.h new file mode 100644 index 00000000000..32b8ce0be6c --- /dev/null +++ b/Build/source/texk/seetexk/dviclass.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 1987, 1989 University of Maryland + * Department of Computer Science. All rights reserved. + * Permission to copy for any purpose is hereby granted + * so long as this copyright notice remains intact. + */ + +/* + * Macros to convert DVI opcodes to (hopefully) simpler values. + */ + +/* + * Large range types---code may be any value (including EOF). + */ +#define DVI_IsChar(code) ((ui32)(code) < 128) +#define DVI_IsFont(code) ((code) >= 171 && (code) < 235) + +/* + * Symbolic names for generic types (for things with parameters). + * These are obtained via the macro DVI_DT(int c), where 0 <= c <= 255. + */ +#define DT_CHAR 0 +#define DT_SET 1 +#define DT_SETRULE 2 +#define DT_PUT 3 +#define DT_PUTRULE 4 +#define DT_NOP 5 +#define DT_BOP 6 +#define DT_EOP 7 +#define DT_PUSH 8 +#define DT_POP 9 +#define DT_RIGHT 10 +#define DT_W0 11 +#define DT_W 12 +#define DT_X0 13 +#define DT_X 14 +#define DT_DOWN 15 +#define DT_Y0 16 +#define DT_Y 17 +#define DT_Z0 18 +#define DT_Z 19 +#define DT_FNTNUM 20 +#define DT_FNT 21 +#define DT_XXX 22 +#define DT_FNTDEF 23 +#define DT_PRE 24 +#define DT_POST 25 +#define DT_POSTPOST 26 +#define DT_UNDEF 27 + +/* + * Symbolic names for parameter lengths, obtained via the macro + * DVL_OpLen(int c). + * + * N.B.: older drivers may assume that 0 => none, 1-4 => 1-4 bytes + * and 5-7 => unsigned version of 1-4---so DO NOT change these values! + */ +#define DPL_NONE 0 +#define DPL_SGN1 1 +#define DPL_SGN2 2 +#define DPL_SGN3 3 +#define DPL_SGN4 4 +#define DPL_UNS1 5 +#define DPL_UNS2 6 +#define DPL_UNS3 7 +/* there are no unsigned four byte parameters */ + +#define DVI_OpLen(code) (dvi_oplen[code]) +#define DVI_DT(code) (dvi_dt[code]) +extern char dvi_oplen[]; +extern char dvi_dt[]; |