/* $OpenBSD: out.h,v 1.23 2018/06/25 16:54:55 schwarze Exp $ */ /* * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons * Copyright (c) 2014, 2017 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ enum roffscale { SCALE_CM, /* centimeters (c) */ SCALE_IN, /* inches (i) */ SCALE_PC, /* pica (P) */ SCALE_PT, /* points (p) */ SCALE_EM, /* ems (m) */ SCALE_MM, /* mini-ems (M) */ SCALE_EN, /* ens (n) */ SCALE_BU, /* default horizontal (u) */ SCALE_VS, /* default vertical (v) */ SCALE_FS, /* syn. for u (f) */ SCALE_MAX }; struct roffcol { size_t width; /* width of cell */ size_t decimal; /* decimal position in cell */ size_t spacing; /* spacing after the column */ int flags; /* layout flags, see tbl_cell */ }; struct roffsu { enum roffscale unit; double scale; }; typedef size_t (*tbl_sulen)(const struct roffsu *, void *); typedef size_t (*tbl_strlen)(const char *, void *); typedef size_t (*tbl_len)(size_t, void *); struct rofftbl { tbl_sulen sulen; /* calculate scaling unit length */ tbl_strlen slen; /* calculate string length */ tbl_len len; /* produce width of empty space */ struct roffcol *cols; /* master column specifiers */ void *arg; /* passed to sulen, slen, and len */ }; #define SCALE_HS_INIT(p, v) \ do { (p)->unit = SCALE_EN; \ (p)->scale = (v); } \ while (/* CONSTCOND */ 0) struct tbl_span; const char *a2roffsu(const char *, struct roffsu *, enum roffscale); void tblcalc(struct rofftbl *tbl, const struct tbl_span *, size_t, size_t);