backend/dvi/mdvi-lib/paper.c

   1 /*
   2  * Copyright (C) 2000, Matias Atria
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include <string.h>
  20
  21 #include "common.h"
  22 #include "mdvi.h"
  23 #include "private.h"
  24
  25 static const DviPaperSpec papers[] = {
  26         {"ISO", 0, 0},
  27         {"4A0", "1682mm", "2378mm"},
  28         {"2A0", "1189mm", "1682mm"},
  29         {"A0", "841mm", "1189mm"},
  30         {"A1", "594mm", "841mm"},
  31         {"A2", "420mm", "594mm"},
  32         {"A3", "297mm", "420mm"},
  33         {"A4", "210mm", "297mm"},
  34         {"A5", "148mm", "210mm"},
  35         {"A6", "105mm", "148mm"},
  36         {"A7", "74mm", "105mm"},
  37         {"A8", "52mm", "74mm"},
  38         {"A9", "37mm", "52mm"},
  39         {"A10", "26mm", "37mm"},
  40         {"B0", "1000mm", "1414mm"},
  41         {"B1", "707mm", "1000mm"},
  42         {"B2", "500mm", "707mm"},
  43         {"B3", "353mm", "500mm"},
  44         {"B4", "250mm", "353mm"},
  45         {"B5", "176mm", "250mm"},
  46         {"B6", "125mm", "176mm"},
  47         {"B7", "88mm", "125mm"},
  48         {"B8", "62mm", "88mm"},
  49         {"B9", "44mm", "62mm"},
  50         {"B10", "31mm", "44mm"},
  51         {"C0", "917mm", "1297mm"},
  52         {"C1", "648mm", "917mm"},
  53         {"C2", "458mm", "648mm"},
  54         {"C3", "324mm", "458mm"},
  55         {"C4", "229mm", "324mm"},
  56         {"C5", "162mm", "229mm"},
  57         {"C6", "114mm", "162mm"},
  58         {"C7", "81mm", "114mm"},
  59         {"C8", "57mm", "81mm"},
  60         {"C9", "40mm", "57mm"},
  61         {"C10", "28mm", "40mm"},
  62         {"US", 0, 0},
  63         {"archA", "9in", "12in"},
  64         {"archB", "12in", "18in"},
  65         {"archC", "18in", "24in"},
  66         {"archD", "24in", "36in"},
  67         {"archE", "36in", "48in"},
  68         {"executive", "7.5in", "10in"},
  69         {"flsa", "8.5in", "13in"},
  70         {"flse", "8.5in", "13in"},
  71         {"halfletter", "5.5in", "8.5in"},
  72         {"letter", "8.5in", "11in"},
  73         {"legal", "8.5in", "14in"},
  74         {"ledger", "17in", "11in"},
  75         {"note", "7.5in", "10in"},
  76         {"tabloid", "11in", "17in"},
  77         {"statement", "5.5in", "8.5in"},
  78         {0, 0, 0}
  79 };
  80
  81 static DviPaperClass str2class(const char *name)
  82 {
  83         if(STRCEQ(name, "ISO"))
  84                 return MDVI_PAPER_CLASS_ISO;
  85         else if(STRCEQ(name, "US"))
  86                 return MDVI_PAPER_CLASS_US;
  87         return MDVI_PAPER_CLASS_CUSTOM;
  88 }
  89
  90 int     mdvi_get_paper_size(const char *name, DviPaper *paper)
  91 {
  92         const DviPaperSpec *sp;
  93         double  a, b;
  94         char    c, d, e, f;
  95         char    buf[32];
  96
  97         paper->pclass = MDVI_PAPER_CLASS_CUSTOM;
  98         if(sscanf(name, "%lfx%lf%c%c", &a, &b, &c, &d) == 4) {
  99                 sprintf(buf, "%12.16f%c%c", a, c, d);
 100                 paper->inches_wide = unit2pix_factor(buf);
 101                 sprintf(buf, "%12.16f%c%c", b, c, d);
 102                 paper->inches_tall = unit2pix_factor(buf);
 103                 paper->name = _("custom");
 104                 return 0;
 105         } else if(sscanf(name, "%lf%c%c,%lf%c%c", &a, &c, &d, &b, &e, &f) == 6) {
 106                 sprintf(buf, "%12.16f%c%c", a, c, d);
 107                 paper->inches_wide = unit2pix_factor(buf);
 108                 sprintf(buf, "%12.16f%c%c", b, e, f);
 109                 paper->inches_tall = unit2pix_factor(buf);
 110                 paper->name = _("custom");
 111                 return 0;
 112         }
 113
 114         for(sp = &papers[0]; sp->name; sp++) {
 115                 if(!sp->width || !sp->height) {
 116                         paper->pclass = str2class(sp->name);
 117                         continue;
 118                 }
 119                 if(strcasecmp(sp->name, name) == 0) {
 120                         paper->inches_wide = unit2pix_factor(sp->width);
 121                         paper->inches_tall = unit2pix_factor(sp->height);
 122                         paper->name = sp->name;
 123                         return 0;
 124                 }
 125         }
 126         return -1;
 127 }
 128
 129 DviPaperSpec *mdvi_get_paper_specs(DviPaperClass pclass)
 130 {
 131         int     i;
 132         int     first, count;
 133         DviPaperSpec *spec, *ptr;
 134
 135         first = -1;
 136         count = 0;
 137         if(pclass == MDVI_PAPER_CLASS_ANY ||
 138            pclass == MDVI_PAPER_CLASS_CUSTOM) {
 139                 first = 0;
 140                 count = (sizeof(papers) / sizeof(papers[0])) - 3;
 141         } else for(i = 0; papers[i].name; i++) {
 142                 if(papers[i].width == NULL) {
 143                         if(str2class(papers[i].name) == pclass)
 144                                 first = i;
 145                         else if(first >= 0)
 146                                 break;
 147                 } else if(first >= 0)
 148                         count++;
 149         }
 150         ptr = spec = xnalloc(DviPaperSpec, count + 1);
 151         for(i = first; papers[i].name&& count > 0; i++) {
 152                 if(papers[i].width) {
 153                         ptr->name = papers[i].name;
 154                         ptr->width = papers[i].width;
 155                         ptr->height = papers[i].height;
 156                         ptr++;
 157                         count--;
 158                 }
 159         }
 160         ptr->name = NULL;
 161         ptr->width = NULL;
 162         ptr->height = NULL;
 163
 164         return spec;
 165 }
 166
 167 void    mdvi_free_paper_specs(DviPaperSpec *spec)
 168 {
 169         mdvi_free(spec);
 170 }