out.h

   1 /*      $Id: out.h,v 1.4 2009/10/09 06:54:11 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
   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 __BEGIN_DECLS
  21
  22 enum    roffscale {
  23         SCALE_CM,
  24         SCALE_IN,
  25         SCALE_PC,
  26         SCALE_PT,
  27         SCALE_EM,
  28         SCALE_MM,
  29         SCALE_EN,
  30         SCALE_BU,
  31         SCALE_VS,
  32         SCALE_FS,
  33         SCALE_MAX
  34 };
  35
  36 struct  roffsu {
  37         enum roffscale    unit;
  38         double            scale;
  39         int               pt;
  40 };
  41
  42 #define SCALE_INVERT(p) \
  43         do { (p)->scale = -(p)->scale; } while (/*CONSTCOND*/0)
  44 #define SCALE_VS_INIT(p, v) \
  45         do { (p)->unit = SCALE_VS; \
  46              (p)->scale = (v); \
  47              (p)->pt = 0; } while (/*CONSTCOND*/0)
  48 #define SCALE_HS_INIT(p, v) \
  49         do { (p)->unit = SCALE_BU; \
  50              (p)->scale = (v); \
  51              (p)->pt = 0; } while (/*CONSTCOND*/0)
  52
  53 int               a2roffsu(const char *, struct roffsu *);
  54
  55 __END_DECLS
  56
  57 #endif /*!HTML_H*/