1/*	$NetBSD: paper.cpp,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $	*/
2
3// -*- C++ -*-
4/* Copyright (C) 2002, 2003, 2004
5   Free Software Foundation, Inc.
6     Written by Werner Lemberg (wl@gnu.org)
7
8This file is part of groff.
9
10groff is free software; you can redistribute it and/or modify it under
11the terms of the GNU General Public License as published by the Free
12Software Foundation; either version 2, or (at your option) any later
13version.
14
15groff is distributed in the hope that it will be useful, but WITHOUT ANY
16WARRANTY; without even the implied warranty of MERCHANTABILITY or
17FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
18for more details.
19
20You should have received a copy of the GNU General Public License along
21with groff; see the file COPYING.  If not, write to the Free Software
22Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
23
24#include "lib.h"
25#include "paper.h"
26
27paper papersizes[NUM_PAPERSIZES];
28
29// length and width in mm
30static void add_iso_paper(char series, int offset,
31			  int start_length, int start_width)
32{
33  int length = start_length;
34  int width = start_width;
35  for (int i = 0; i < 8; i++)
36  {
37    char *p = new char[3];
38    p[0] = series;
39    p[1] = '0' + i;
40    p[2] = '\0';
41    papersizes[offset + i].name = p;
42    // convert mm to inch
43    papersizes[offset + i].length = (double)length / 25.4;
44    papersizes[offset + i].width = (double)width / 25.4;
45    // after division by two, values must be rounded down to the next
46    // integer (as specified by ISO)
47    int tmp = length;
48    length = width;
49    width = tmp / 2;
50  }
51}
52
53// length and width in inch
54static void add_american_paper(const char *name, int idx,
55			       double length, double width )
56{
57  char *p = new char[strlen(name) + 1];
58  strcpy(p, name);
59  papersizes[idx].name = p;
60  papersizes[idx].length = length;
61  papersizes[idx].width = width;
62}
63
64int papersize_init::initialised = 0;
65
66papersize_init::papersize_init()
67{
68  if (initialised)
69    return;
70  initialised = 1;
71  add_iso_paper('a', 0, 1189, 841);
72  add_iso_paper('b', 8, 1414, 1000);
73  add_iso_paper('c', 16, 1297, 917);
74  add_iso_paper('d', 24, 1090, 771);
75  add_american_paper("letter", 32, 11, 8.5);
76  add_american_paper("legal", 33, 14, 8.5);
77  add_american_paper("tabloid", 34, 17, 11);
78  add_american_paper("ledger", 35, 11, 17);
79  add_american_paper("statement", 36, 8.5, 5.5);
80  add_american_paper("executive", 37, 10, 7.5);
81  // the next three entries are for grolj4
82  add_american_paper("com10", 38, 9.5, 4.125);
83  add_american_paper("monarch", 39, 7.5, 3.875);
84  // this is an ISO format, but it easier to use add_american_paper
85  add_american_paper("dl", 40, 220/25.4, 110/25.4);
86}
87