1 /* $OpenBSD: out.h,v 1.15 2014/10/14 02:16:02 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 #ifndef OUT_H 18 #define OUT_H 19 20 enum roffscale { 21 SCALE_CM, /* centimeters (c) */ 22 SCALE_IN, /* inches (i) */ 23 SCALE_PC, /* pica (P) */ 24 SCALE_PT, /* points (p) */ 25 SCALE_EM, /* ems (m) */ 26 SCALE_MM, /* mini-ems (M) */ 27 SCALE_EN, /* ens (n) */ 28 SCALE_BU, /* default horizontal (u) */ 29 SCALE_VS, /* default vertical (v) */ 30 SCALE_FS, /* syn. for u (f) */ 31 SCALE_MAX 32 }; 33 34 struct roffcol { 35 size_t width; /* width of cell */ 36 size_t decimal; /* decimal position in cell */ 37 int flags; /* layout flags, see tbl_cell */ 38 }; 39 40 struct roffsu { 41 enum roffscale unit; 42 double scale; 43 }; 44 45 typedef size_t (*tbl_strlen)(const char *, void *); 46 typedef size_t (*tbl_len)(size_t, void *); 47 48 struct rofftbl { 49 tbl_strlen slen; /* calculate string length */ 50 tbl_len len; /* produce width of empty space */ 51 struct roffcol *cols; /* master column specifiers */ 52 void *arg; /* passed to slen and len */ 53 }; 54 55 __BEGIN_DECLS 56 57 #define SCALE_VS_INIT(p, v) \ 58 do { (p)->unit = SCALE_VS; \ 59 (p)->scale = (v); } \ 60 while (/* CONSTCOND */ 0) 61 62 #define SCALE_HS_INIT(p, v) \ 63 do { (p)->unit = SCALE_EN; \ 64 (p)->scale = (v); } \ 65 while (/* CONSTCOND */ 0) 66 67 int a2roffsu(const char *, struct roffsu *, enum roffscale); 68 void tblcalc(struct rofftbl *tbl, 69 const struct tbl_span *, size_t); 70 71 __END_DECLS 72 73 #endif /*!OUT_H*/ 74