1 /* $Id: out.h,v 1.27 2015/11/07 14:01:16 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 18 enum roffscale { 19 SCALE_CM, /* centimeters (c) */ 20 SCALE_IN, /* inches (i) */ 21 SCALE_PC, /* pica (P) */ 22 SCALE_PT, /* points (p) */ 23 SCALE_EM, /* ems (m) */ 24 SCALE_MM, /* mini-ems (M) */ 25 SCALE_EN, /* ens (n) */ 26 SCALE_BU, /* default horizontal (u) */ 27 SCALE_VS, /* default vertical (v) */ 28 SCALE_FS, /* syn. for u (f) */ 29 SCALE_MAX 30 }; 31 32 struct roffcol { 33 size_t width; /* width of cell */ 34 size_t decimal; /* decimal position in cell */ 35 int flags; /* layout flags, see tbl_cell */ 36 }; 37 38 struct roffsu { 39 enum roffscale unit; 40 double scale; 41 }; 42 43 typedef size_t (*tbl_strlen)(const char *, void *); 44 typedef size_t (*tbl_len)(size_t, void *); 45 46 struct rofftbl { 47 tbl_strlen slen; /* calculate string length */ 48 tbl_len len; /* produce width of empty space */ 49 struct roffcol *cols; /* master column specifiers */ 50 void *arg; /* passed to slen and len */ 51 }; 52 53 #define SCALE_VS_INIT(p, v) \ 54 do { (p)->unit = SCALE_VS; \ 55 (p)->scale = (v); } \ 56 while (/* CONSTCOND */ 0) 57 58 #define SCALE_HS_INIT(p, v) \ 59 do { (p)->unit = SCALE_EN; \ 60 (p)->scale = (v); } \ 61 while (/* CONSTCOND */ 0) 62 63 64 struct tbl_span; 65 66 int a2roffsu(const char *, struct roffsu *, enum roffscale); 67 void tblcalc(struct rofftbl *tbl, 68 const struct tbl_span *, size_t); 69