paper.cpp revision 302408
1// -*- C++ -*- 2/* Copyright (C) 2002, 2003, 2004 3 Free Software Foundation, Inc. 4 Written by Werner Lemberg (wl@gnu.org) 5 6This file is part of groff. 7 8groff is free software; you can redistribute it and/or modify it under 9the terms of the GNU General Public License as published by the Free 10Software Foundation; either version 2, or (at your option) any later 11version. 12 13groff is distributed in the hope that it will be useful, but WITHOUT ANY 14WARRANTY; without even the implied warranty of MERCHANTABILITY or 15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16for more details. 17 18You should have received a copy of the GNU General Public License along 19with groff; see the file COPYING. If not, write to the Free Software 20Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 21 22#include "lib.h" 23#include "paper.h" 24 25paper papersizes[NUM_PAPERSIZES]; 26 27// length and width in mm 28static void add_iso_paper(char series, int offset, 29 int start_length, int start_width) 30{ 31 int length = start_length; 32 int width = start_width; 33 for (int i = 0; i < 8; i++) 34 { 35 char *p = new char[3]; 36 p[0] = series; 37 p[1] = '0' + i; 38 p[2] = '\0'; 39 papersizes[offset + i].name = p; 40 // convert mm to inch 41 papersizes[offset + i].length = (double)length / 25.4; 42 papersizes[offset + i].width = (double)width / 25.4; 43 // after division by two, values must be rounded down to the next 44 // integer (as specified by ISO) 45 int tmp = length; 46 length = width; 47 width = tmp / 2; 48 } 49} 50 51// length and width in inch 52static void add_american_paper(const char *name, int idx, 53 double length, double width ) 54{ 55 char *p = new char[strlen(name) + 1]; 56 strcpy(p, name); 57 papersizes[idx].name = p; 58 papersizes[idx].length = length; 59 papersizes[idx].width = width; 60} 61 62int papersize_init::initialised = 0; 63 64papersize_init::papersize_init() 65{ 66 if (initialised) 67 return; 68 initialised = 1; 69 add_iso_paper('a', 0, 1189, 841); 70 add_iso_paper('b', 8, 1414, 1000); 71 add_iso_paper('c', 16, 1297, 917); 72 add_iso_paper('d', 24, 1090, 771); 73 add_american_paper("letter", 32, 11, 8.5); 74 add_american_paper("legal", 33, 14, 8.5); 75 add_american_paper("tabloid", 34, 17, 11); 76 add_american_paper("ledger", 35, 11, 17); 77 add_american_paper("statement", 36, 8.5, 5.5); 78 add_american_paper("executive", 37, 10, 7.5); 79 // the next three entries are for grolj4 80 add_american_paper("com10", 38, 9.5, 4.125); 81 add_american_paper("monarch", 39, 7.5, 3.875); 82 // this is an ISO format, but it easier to use add_american_paper 83 add_american_paper("dl", 40, 220/25.4, 110/25.4); 84} 85