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/*
* media.c
*
* Used paper formats
* Copyright (c) 1988, 89, 90, 91, 92, 93 Miguel Santana
* Copyright (c) 1995, 96, 97, 98, 99 Akim Demaille, Miguel Santana
* $Id: media.c,v 1.1.1.1.2.1 2007/12/29 01:58:20 mhatta Exp $
*/
/*
* This file is part of a2ps.
*
* 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 3, 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; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "a2ps.h"
#include "media.h"
#include "jobs.h"
#include "routines.h"
#include "lister.h"
#include "quotearg.h"
#if HAVE_SYSTEMPAPERNAME
# if HAVE_PAPER_H
# include <paper.h>
# else
extern char *systempapername PARAMS ((void));
# endif
#else
#define systempapername() NULL;
#endif
/************************************************************************/
/* medium selection */
/************************************************************************/
/************************************************************************
* Hash tables routines for the media *
************************************************************************/
/*
* Used with the page device(-D), and status dict (-S) definitions
*/
static unsigned long
medium_hash_1 (void const *key)
{
return_STRING_CASE_HASH_1 (((const struct medium *)key)->name);
}
static unsigned long
medium_hash_2 (void const *key)
{
return_STRING_CASE_HASH_2 (((const struct medium *)key)->name);
}
static int
medium_hash_cmp (void const *x, void const *y)
{
return_STRING_CASE_COMPARE (((const struct medium *)x)->name,
((const struct medium *)y)->name);
}
static int
medium_hash_qcmp (void const *x, void const *y)
{
return_STRING_CASE_COMPARE ((*(struct medium * const *)x)->name,
(*(struct medium * const *)y)->name);
}
/* Return the size of the name of the MEDIUM */
static size_t
medium_name_len (struct medium * medium)
{
return strlen (medium->name);
}
/* Fputs the name of the MEDIUM on STREAM */
static void
medium_name_fputs (struct medium * medium, FILE * stream)
{
fputs (medium->name, stream);
}
/*
* Add a medium
*/
void
add_medium (struct a2ps_job * job,
const char * name,
int w, int h,
int llx, int lly, int urx, int ury)
{
struct medium * a_medium = XMALLOC (struct medium, 1);
a_medium->name = xstrdup (name);
a_medium->w = w;
a_medium->h = h;
a_medium->llx = llx;
a_medium->lly = lly;
a_medium->urx = urx;
a_medium->ury = ury;
hash_insert (job->media, a_medium);
}
/*
* Free a medium
*/
static void
hash_free_medium (struct medium * medium)
{
free (medium->name);
free (medium);
}
/*
* Create the structure
*/
struct hash_table_s *
new_medium_table (void)
{
struct hash_table_s * res;
res = XMALLOC (struct hash_table_s, 1);
hash_init (res, 16,
medium_hash_1, medium_hash_2, medium_hash_cmp);
return res;
}
/*
* Free the media table
*/
void
free_medium_table (struct hash_table_s * table)
{
hash_free (table, (hash_map_func_t) hash_free_medium);
free (table);
}
/*
* Retrieve a medium
*/
struct medium *
a2ps_get_medium (a2ps_job * job, const char * name)
{
struct medium *item;
struct medium token;
token.name = NULL;
if (strcaseequ (name, LIBPAPER_MEDIUM))
token.name = (char *) systempapername ();
if (!token.name)
token.name = (char *) name;
item = (struct medium *) hash_find_item (job->media, &token);
if (item == NULL)
error (1, 0, _("unknown medium `%s'"), quotearg (token.name));
return item;
}
/* Report the name of the media NAME, while decoding, if needed,
the use of libpaper. */
const char *
a2ps_get_medium_name (a2ps_job * job, const char * name)
{
struct medium * medium;
/* We use the real name of the medium: that stored in the table,
so that we get the correct case (Letter, instead of LeTTer). */
medium = a2ps_get_medium (job, name);
return medium->name;
}
/* Is libpaper used? */
bool
a2ps_medium_libpaper_p (PARAM_UNUSED a2ps_job * job, const char * name)
{
return strequ (name, LIBPAPER_MEDIUM) ? true : false;
}
/*
* List the media defined, with their dimensions.
*/
void
list_media_long (a2ps_job * job, FILE * stream)
{
int i;
struct medium ** media;
media = (struct medium **) hash_dump (job->media, NULL, medium_hash_qcmp);
fputs (_("Known Media"), stream);
putc ('\n', stream);
fprintf (stream, " %-10s\t%11s (%4s, %4s, %4s, %4s)\n",
_("Name"),
_("dimensions"),
"llx", "lly",
"urx", "ury");
for (i = 0 ; media[i] ; i++)
fprintf (stream, " %-10s\t%4d x %4d (%4d, %4d, %4d, %4d)\n",
media[i]->name,
media[i]->w, media[i]->h,
media[i]->llx, media[i]->lly,
media[i]->urx, media[i]->ury);
putc ('\n', stream);
free (media);
}
/*
* Give just the names of the known media
*/
void
list_media_short (a2ps_job * job, FILE * stream)
{
struct medium ** media;
media = (struct medium **) hash_dump (job->media, NULL, medium_hash_qcmp);
fputs (_("Known Media"), stream);
putc ('\n', stream);
lister_fprint_vertical (NULL, stream,
(void **) media, (size_t) -1,
(lister_width_t) medium_name_len,
(lister_print_t) medium_name_fputs);
free (media);
}
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