paper.c

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/*
 * Copyright (C) 2000, Matias Atria
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include <config.h>
#include <string.h>

#include "common.h"
#include "mdvi.h"
#include "private.h"

static const DviPaperSpec papers[] = {
    {"ISO", 0, 0},
    {"4A0", "1682mm", "2378mm"},
    {"2A0", "1189mm", "1682mm"},
    {"A0", "841mm", "1189mm"},
    {"A1", "594mm", "841mm"},
    {"A2", "420mm", "594mm"},
    {"A3", "297mm", "420mm"},
    {"A4", "210mm", "297mm"},
    {"A5", "148mm", "210mm"},
    {"A6", "105mm", "148mm"},
    {"A7", "74mm", "105mm"},
    {"A8", "52mm", "74mm"},
    {"A9", "37mm", "52mm"},
    {"A10", "26mm", "37mm"},
    {"B0", "1000mm", "1414mm"},
    {"B1", "707mm", "1000mm"},
    {"B2", "500mm", "707mm"},
    {"B3", "353mm", "500mm"},
    {"B4", "250mm", "353mm"},
    {"B5", "176mm", "250mm"},
    {"B6", "125mm", "176mm"},
    {"B7", "88mm", "125mm"},
    {"B8", "62mm", "88mm"},
    {"B9", "44mm", "62mm"},
    {"B10", "31mm", "44mm"},
    {"C0", "917mm", "1297mm"},
    {"C1", "648mm", "917mm"},
    {"C2", "458mm", "648mm"},
    {"C3", "324mm", "458mm"},
    {"C4", "229mm", "324mm"},
    {"C5", "162mm", "229mm"},
    {"C6", "114mm", "162mm"},
    {"C7", "81mm", "114mm"},
    {"C8", "57mm", "81mm"},
    {"C9", "40mm", "57mm"},
    {"C10", "28mm", "40mm"},
    {"US", 0, 0},
    {"archA", "9in", "12in"},
    {"archB", "12in", "18in"},
    {"archC", "18in", "24in"},
    {"archD", "24in", "36in"},
    {"archE", "36in", "48in"},
    {"executive", "7.5in", "10in"},
    {"flsa", "8.5in", "13in"},
    {"flse", "8.5in", "13in"},
    {"halfletter", "5.5in", "8.5in"},
    {"letter", "8.5in", "11in"},
    {"legal", "8.5in", "14in"},
    {"ledger", "17in", "11in"},
    {"note", "7.5in", "10in"},
    {"tabloid", "11in", "17in"},
    {"statement", "5.5in", "8.5in"},    
    {0, 0, 0}
};

static DviPaperClass str2class(const char *name)
{
    if(STRCEQ(name, "ISO"))
        return MDVI_PAPER_CLASS_ISO;
    else if(STRCEQ(name, "US"))
        return MDVI_PAPER_CLASS_US;
    return MDVI_PAPER_CLASS_CUSTOM;
}

int mdvi_get_paper_size(const char *name, DviPaper *paper)
{
    const DviPaperSpec *sp;
    double  a, b;
    char    c, d, e, f;
    char    buf[32];

    paper->pclass = MDVI_PAPER_CLASS_CUSTOM;
    if(sscanf(name, "%lfx%lf%c%c", &a, &b, &c, &d) == 4) {
        sprintf(buf, "%12.16f%c%c", a, c, d);
        paper->inches_wide = unit2pix_factor(buf);
        sprintf(buf, "%12.16f%c%c", b, c, d);
        paper->inches_tall = unit2pix_factor(buf);
        paper->name = _("custom");
        return 0;
    } else if(sscanf(name, "%lf%c%c,%lf%c%c", &a, &c, &d, &b, &e, &f) == 6) {
        sprintf(buf, "%12.16f%c%c", a, c, d);
        paper->inches_wide = unit2pix_factor(buf);
        sprintf(buf, "%12.16f%c%c", b, e, f);
        paper->inches_tall = unit2pix_factor(buf);
        paper->name = _("custom");
        return 0;
    }
    
    for(sp = &papers[0]; sp->name; sp++) {
        if(!sp->width || !sp->height) {
            paper->pclass = str2class(sp->name);
            continue;
        }
        if(strcasecmp(sp->name, name) == 0) {
            paper->inches_wide = unit2pix_factor(sp->width);
            paper->inches_tall = unit2pix_factor(sp->height);
            paper->name = sp->name;
            return 0;
        }
    }
    return -1;
}

DviPaperSpec *mdvi_get_paper_specs(DviPaperClass pclass)
{
    int i;
    int first, count;
    DviPaperSpec *spec, *ptr;
    
    first = -1;
    count = 0;
    if(pclass == MDVI_PAPER_CLASS_ANY || 
       pclass == MDVI_PAPER_CLASS_CUSTOM) {
        first = 0;
        count = (sizeof(papers) / sizeof(papers[0])) - 3;
    } else for(i = 0; papers[i].name; i++) {
        if(papers[i].width == NULL) {
            if(str2class(papers[i].name) == pclass)
                first = i;
            else if(first >= 0)
                break;
        } else if(first >= 0)
            count++;
    }
    ptr = spec = xnalloc(DviPaperSpec, count + 1);
    for(i = first; papers[i].name&& count > 0; i++) {
        if(papers[i].width) {
            ptr->name = papers[i].name;
            ptr->width = papers[i].width;
            ptr->height = papers[i].height;
            ptr++;
            count--;
        }
    }
    ptr->name = NULL;
    ptr->width = NULL;
    ptr->height = NULL;

    return spec;
}

void    mdvi_free_paper_specs(DviPaperSpec *spec)
{
    mdvi_free(spec);
}