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/*
* (GLABELS) Label and Business Card Creation program for GNOME
*
* bc.c: GLabels barcode module
*
* Copyright (C) 2001-2003 Jim Evins <evins@snaught.com>.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <config.h>
#include <libgnome/libgnome.h>
#include "bc.h"
#include "bc-postnet.h"
#include "bc-gnubarcode.h"
#include "debug.h"
/*========================================================*/
/* Private macros and constants. */
/*========================================================*/
/*========================================================*/
/* Private types. */
/*========================================================*/
typedef struct {
gchar *id;
gchar *name;
glBarcodeNewFunc new;
gboolean can_text;
gboolean text_optional;
gboolean can_checksum;
gboolean checksum_optional;
gchar *default_digits;
gboolean can_freeform;
guint prefered_n;
} Backend;
/*========================================================*/
/* Private globals. */
/*========================================================*/
Backend backends[] = {
{ "POSTNET", N_("POSTNET (any)"), gl_barcode_postnet_new,
FALSE, FALSE, TRUE, FALSE, "12345-6789-12", FALSE, 11},
{ "POSTNET-5", N_("POSTNET-5 (ZIP only)"), gl_barcode_postnet_new,
FALSE, FALSE, TRUE, FALSE, "12345", FALSE, 5},
{ "POSTNET-9", N_("POSTNET-9 (ZIP+4)"), gl_barcode_postnet_new,
FALSE, FALSE, TRUE, FALSE, "12345-6789", FALSE, 9},
{ "POSTNET-11", N_("POSTNET-11 (DPBC)"), gl_barcode_postnet_new,
FALSE, FALSE, TRUE, FALSE, "12345-6789-12", FALSE, 11},
{ "EAN", N_("EAN (any)"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000000000 00000", FALSE, 17},
{ "EAN-8", N_("EAN-8"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "0000000", FALSE, 7},
{ "EAN-8+2", N_("EAN-8 +2"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "0000000 00", FALSE, 9},
{ "EAN-8+5", N_("EAN-8 +5"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "0000000 00000", FALSE, 12},
{ "EAN-13", N_("EAN-13"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000000000", FALSE, 12},
{ "EAN-13+2", N_("EAN-13 +2"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000000000 00", FALSE, 14},
{ "EAN-13+5", N_("EAN-13 +5"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000000000 00000", FALSE, 17},
{ "UPC", N_("UPC (UPC-A or UPC-E)"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "00000000000 00000", FALSE, 16},
{ "UPC-A", N_("UPC-A"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "00000000000", FALSE, 11},
{ "UPC-A+2", N_("UPC-A +2"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "00000000000 00", FALSE, 13},
{ "UPC-A+5", N_("UPC-A +5"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "00000000000 00000", FALSE, 16},
{ "UPC-E", N_("UPC-E"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000", FALSE, 6},
{ "UPC-E+2", N_("UPC-E +2"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000 00", FALSE, 8},
{ "UPC-E+5", N_("UPC-E +5"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, FALSE, "000000 00000", FALSE, 11},
{ "ISBN", N_("ISBN"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0-00000-000-0", FALSE, 10},
{ "ISBN+5", N_("ISBN +5"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0-00000-000-0 00000", FALSE, 15},
{ "Code39", N_("Code 39"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "Code128", N_("Code 128"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "Code128C", N_("Code 128C"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "Code128B", N_("Code 128B"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "I25", N_("Interleaved 2 of 5"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "CBR", N_("Codabar"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "MSI", N_("MSI"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ "PLS", N_("Plessey"), gl_barcode_gnubarcode_new,
TRUE, TRUE, TRUE, TRUE, "0000000000", TRUE, 10},
{ NULL, NULL, NULL, FALSE, FALSE, FALSE, FALSE, NULL, FALSE, 0}
};
/*========================================================*/
/* Private function prototypes. */
/*========================================================*/
/*---------------------------------------------------------------------------*/
/* Convert id to index into above table. */
/*---------------------------------------------------------------------------*/
static gint
id_to_index (const gchar *id)
{
gint i;
if (id == 0) {
return 0; /* NULL request default. I.e., the first element. */
}
for (i=0; backends[i].id != NULL; i++) {
if (g_strcasecmp (id, backends[i].id) == 0) {
return i;
}
}
g_warning( "Unknown barcode id \"%s\"", id );
return 0;
}
/*---------------------------------------------------------------------------*/
/* Convert name to index into above table. */
/*---------------------------------------------------------------------------*/
static gint
name_to_index (const gchar *name)
{
gint i;
g_return_val_if_fail (name!=NULL, 0);
for (i=0; backends[i].id != NULL; i++) {
if (g_strcasecmp (name, backends[i].name) == 0) {
return i;
}
}
g_warning( "Unknown barcode name \"%s\"", name );
return 0;
}
/*****************************************************************************/
/* Call appropriate barcode backend to create barcode in intermediate format.*/
/*****************************************************************************/
glBarcode *
gl_barcode_new (const gchar *id,
gboolean text_flag,
gboolean checksum_flag,
gdouble w,
gdouble h,
const gchar *digits)
{
glBarcode *gbc;
gint i;
g_return_val_if_fail (digits!=NULL, NULL);
i = id_to_index (id);
gbc = backends[i].new (backends[i].id,
text_flag,
checksum_flag,
w,
h,
digits);
return gbc;
}
/*****************************************************************************/
/* Free previously created barcode. */
/*****************************************************************************/
void
gl_barcode_free (glBarcode **gbc)
{
GList *p;
if (*gbc != NULL) {
for (p = (*gbc)->lines; p != NULL; p = p->next) {
g_free (p->data);
p->data = NULL;
}
g_list_free ((*gbc)->lines);
(*gbc)->lines = NULL;
for (p = (*gbc)->chars; p != NULL; p = p->next) {
g_free (p->data);
p->data = NULL;
}
g_list_free ((*gbc)->chars);
(*gbc)->chars = NULL;
g_free (*gbc);
*gbc = NULL;
}
}
/*****************************************************************************/
/* Get a list of names for valid barcode styles. */
/*****************************************************************************/
GList *
gl_barcode_get_styles_list (void)
{
gint i;
GList *list = NULL;
for (i=0; backends[i].id != NULL; i++) {
list = g_list_append (list, g_strdup (backends[i].name));
}
return list;
}
/*****************************************************************************/
/* Free up a previously allocated list of style names. */
/*****************************************************************************/
void
gl_barcode_free_styles_list (GList *styles_list)
{
GList *p;
for (p=styles_list; p != NULL; p=p->next) {
g_free (p->data);
p->data = NULL;
}
g_list_free (styles_list);
}
/*****************************************************************************/
/* Return an appropriate set of digits for the given barcode style. */
/*****************************************************************************/
gchar *
gl_barcode_default_digits (const gchar *id,
guint n)
{
int i;
i = id_to_index (id);
if (backends[i].can_freeform) {
return g_strnfill (MAX (n,1), '0');
} else {
return g_strdup (backends[i].default_digits);
}
}
/*****************************************************************************/
/* Query text capabilities. */
/*****************************************************************************/
gboolean
gl_barcode_can_text (const gchar *id)
{
return backends[id_to_index (id)].can_text;
}
gboolean
gl_barcode_text_optional (const gchar *id)
{
return backends[id_to_index (id)].text_optional;
}
/*****************************************************************************/
/* Query checksum capabilities. */
/*****************************************************************************/
gboolean
gl_barcode_can_csum (const gchar *id)
{
return backends[id_to_index (id)].can_checksum;
}
gboolean
gl_barcode_csum_optional (const gchar *id)
{
return backends[id_to_index (id)].checksum_optional;
}
/*****************************************************************************/
/* Query if freeform input is allowed. */
/*****************************************************************************/
gboolean
gl_barcode_can_freeform (const gchar *id)
{
return backends[id_to_index (id)].can_freeform;
}
/*****************************************************************************/
/* Query prefered number of digits of input. */
/*****************************************************************************/
guint
gl_barcode_get_prefered_n (const gchar *id)
{
return backends[id_to_index (id)].prefered_n;
}
/*****************************************************************************/
/* Convert style to text. */
/*****************************************************************************/
const gchar *
gl_barcode_id_to_name (const gchar *id)
{
return backends[id_to_index (id)].name;
}
/*****************************************************************************/
/* Convert name to style. */
/*****************************************************************************/
const gchar *
gl_barcode_name_to_id (const gchar *name)
{
g_return_val_if_fail (name!=NULL, backends[0].id);
return backends[name_to_index (name)].id;
}
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