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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  */
  18
  19 #include <config.h>
  20 #include <string.h>
  21
  22 #include "common.h"
  23 #include "mdvi.h"
  24 #include "private.h"
  25
  26 static const DviPaperSpec papers[] = {
  27         {"ISO", 0, 0},
  28         {"4A0", "1682mm", "2378mm"},
  29         {"2A0", "1189mm", "1682mm"},
  30         {"A0", "841mm", "1189mm"},
  31         {"A1", "594mm", "841mm"},
  32         {"A2", "420mm", "594mm"},
  33         {"A3", "297mm", "420mm"},
  34         {"A4", "210mm", "297mm"},
  35         {"A5", "148mm", "210mm"},
  36         {"A6", "105mm", "148mm"},
  37         {"A7", "74mm", "105mm"},
  38         {"A8", "52mm", "74mm"},
  39         {"A9", "37mm", "52mm"},
  40         {"A10", "26mm", "37mm"},
  41         {"B0", "1000mm", "1414mm"},
  42         {"B1", "707mm", "1000mm"},
  43         {"B2", "500mm", "707mm"},
  44         {"B3", "353mm", "500mm"},
  45         {"B4", "250mm", "353mm"},
  46         {"B5", "176mm", "250mm"},
  47         {"B6", "125mm", "176mm"},
  48         {"B7", "88mm", "125mm"},
  49         {"B8", "62mm", "88mm"},
  50         {"B9", "44mm", "62mm"},
  51         {"B10", "31mm", "44mm"},
  52         {"C0", "917mm", "1297mm"},
  53         {"C1", "648mm", "917mm"},
  54         {"C2", "458mm", "648mm"},
  55         {"C3", "324mm", "458mm"},
  56         {"C4", "229mm", "324mm"},
  57         {"C5", "162mm", "229mm"},
  58         {"C6", "114mm", "162mm"},
  59         {"C7", "81mm", "114mm"},
  60         {"C8", "57mm", "81mm"},
  61         {"C9", "40mm", "57mm"},
  62         {"C10", "28mm", "40mm"},
  63         {"US", 0, 0},
  64         {"archA", "9in", "12in"},
  65         {"archB", "12in", "18in"},
  66         {"archC", "18in", "24in"},
  67         {"archD", "24in", "36in"},
  68         {"archE", "36in", "48in"},
  69         {"executive", "7.5in", "10in"},
  70         {"flsa", "8.5in", "13in"},
  71         {"flse", "8.5in", "13in"},
  72         {"halfletter", "5.5in", "8.5in"},
  73         {"letter", "8.5in", "11in"},
  74         {"legal", "8.5in", "14in"},
  75         {"ledger", "17in", "11in"},
  76         {"note", "7.5in", "10in"},
  77         {"tabloid", "11in", "17in"},
  78         {"statement", "5.5in", "8.5in"},
  79         {0, 0, 0}
  80 };
  81
  82 static DviPaperClass str2class(const char *name)
  83 {
  84         if(STRCEQ(name, "ISO"))
  85                 return MDVI_PAPER_CLASS_ISO;
  86         else if(STRCEQ(name, "US"))
  87                 return MDVI_PAPER_CLASS_US;
  88         return MDVI_PAPER_CLASS_CUSTOM;
  89 }
  90
  91 int     mdvi_get_paper_size(const char *name, DviPaper *paper)
  92 {
  93         const DviPaperSpec *sp;
  94         double  a, b;
  95         char    c, d, e, f;
  96         char    buf[32];
  97
  98         paper->pclass = MDVI_PAPER_CLASS_CUSTOM;
  99         if(sscanf(name, "%lfx%lf%c%c", &a, &b, &c, &d) == 4) {
 100                 sprintf(buf, "%12.16f%c%c", a, c, d);
 101                 paper->inches_wide = unit2pix_factor(buf);
 102                 sprintf(buf, "%12.16f%c%c", b, c, d);
 103                 paper->inches_tall = unit2pix_factor(buf);
 104                 paper->name = _("custom");
 105                 return 0;
 106         } else if(sscanf(name, "%lf%c%c,%lf%c%c", &a, &c, &d, &b, &e, &f) == 6) {
 107                 sprintf(buf, "%12.16f%c%c", a, c, d);
 108                 paper->inches_wide = unit2pix_factor(buf);
 109                 sprintf(buf, "%12.16f%c%c", b, e, f);
 110                 paper->inches_tall = unit2pix_factor(buf);
 111                 paper->name = _("custom");
 112                 return 0;
 113         }
 114
 115         for(sp = &papers[0]; sp->name; sp++) {
 116                 if(!sp->width || !sp->height) {
 117                         paper->pclass = str2class(sp->name);
 118                         continue;
 119                 }
 120                 if(strcasecmp(sp->name, name) == 0) {
 121                         paper->inches_wide = unit2pix_factor(sp->width);
 122                         paper->inches_tall = unit2pix_factor(sp->height);
 123                         paper->name = sp->name;
 124                         return 0;
 125                 }
 126         }
 127         return -1;
 128 }
 129
 130 DviPaperSpec *mdvi_get_paper_specs(DviPaperClass pclass)
 131 {
 132         int     i;
 133         int     first, count;
 134         DviPaperSpec *spec, *ptr;
 135
 136         first = -1;
 137         count = 0;
 138         if(pclass == MDVI_PAPER_CLASS_ANY ||
 139            pclass == MDVI_PAPER_CLASS_CUSTOM) {
 140                 first = 0;
 141                 count = (sizeof(papers) / sizeof(papers[0])) - 3;
 142         } else for(i = 0; papers[i].name; i++) {
 143                 if(papers[i].width == NULL) {
 144                         if(str2class(papers[i].name) == pclass)
 145                                 first = i;
 146                         else if(first >= 0)
 147                                 break;
 148                 } else if(first >= 0)
 149                         count++;
 150         }
 151         ptr = spec = xnalloc(DviPaperSpec, count + 1);
 152         for(i = first; papers[i].name&& count > 0; i++) {
 153                 if(papers[i].width) {
 154                         ptr->name = papers[i].name;
 155                         ptr->width = papers[i].width;
 156                         ptr->height = papers[i].height;
 157                         ptr++;
 158                         count--;
 159                 }
 160         }
 161         ptr->name = NULL;
 162         ptr->width = NULL;
 163         ptr->height = NULL;
 164
 165         return spec;
 166 }
 167
 168 void    mdvi_free_paper_specs(DviPaperSpec *spec)
 169 {
 170         mdvi_free(spec);
 171 }