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zint/backend/telepen.c
gitlost e1522e0808 backend: non-functional code-fiddling: format codablock.c (clang-format 
+ manual); add SPDX to all files; prefix include guards with Z_;
  move vim comment to bottom; remove some trailing spaces
2022-09-13 21:16:31 +01:00

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/* telepen.c - Handles Telepen and Telepen numeric */
/*
libzint - the open source barcode library
Copyright (C) 2008-2022 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
/* SPDX-License-Identifier: BSD-3-Clause */
/* Telepen Barcode Symbology information and History (BSiH)
https://telepen.co.uk/wp-content/uploads/2018/10/Barcode-Symbology-information-and-History.pdf */
#define SODIUM_X_F (IS_NUM_F | IS_UX__F | IS_LX__F) /* SODIUM "0123456789Xx" */
#include "common.h"
#include <stdio.h>
static const char TeleTable[128][16] = {
{ "31313131" }, { "1131313111" }, { "33313111" }, { "1111313131" },
{ "3111313111" }, { "11333131" }, { "13133131" }, { "111111313111" },
{ "31333111" }, { "1131113131" }, { "33113131" }, { "1111333111" },
{ "3111113131" }, { "1113133111" }, { "1311133111" }, { "111111113131" },
{ "3131113111" }, { "11313331" }, { "333331" }, { "111131113111" },
{ "31113331" }, { "1133113111" }, { "1313113111" }, { "1111113331" },
{ "31131331" }, { "113111113111" }, { "3311113111" }, { "1111131331" },
{ "311111113111" }, { "1113111331" }, { "1311111331" }, { "11111111113111" },
{ "31313311" }, { "1131311131" }, { "33311131" }, { "1111313311" },
{ "3111311131" }, { "11333311" }, { "13133311" }, { "111111311131" },
{ "31331131" }, { "1131113311" }, { "33113311" }, { "1111331131" },
{ "3111113311" }, { "1113131131" }, { "1311131131" }, { "111111113311" },
{ "3131111131" }, { "1131131311" }, { "33131311" }, { "111131111131" },
{ "3111131311" }, { "1133111131" }, { "1313111131" }, { "111111131311" },
{ "3113111311" }, { "113111111131" }, { "3311111131" }, { "111113111311" },
{ "311111111131" }, { "111311111311" }, { "131111111311" }, { "11111111111131" },
{ "3131311111" }, { "11313133" }, { "333133" }, { "111131311111" },
{ "31113133" }, { "1133311111" }, { "1313311111" }, { "1111113133" },
{ "313333" }, { "113111311111" }, { "3311311111" }, { "11113333" },
{ "311111311111" }, { "11131333" }, { "13111333" }, { "11111111311111" },
{ "31311133" }, { "1131331111" }, { "33331111" }, { "1111311133" },
{ "3111331111" }, { "11331133" }, { "13131133" }, { "111111331111" },
{ "3113131111" }, { "1131111133" }, { "33111133" }, { "111113131111" },
{ "3111111133" }, { "111311131111" }, { "131111131111" }, { "111111111133" },
{ "31311313" }, { "113131111111" }, { "3331111111" }, { "1111311313" },
{ "311131111111" }, { "11331313" }, { "13131313" }, { "11111131111111" },
{ "3133111111" }, { "1131111313" }, { "33111313" }, { "111133111111" },
{ "3111111313" }, { "111313111111" }, { "131113111111" }, { "111111111313" },
{ "313111111111" }, { "1131131113" }, { "33131113" }, { "11113111111111" },
{ "3111131113" }, { "113311111111" }, { "131311111111" }, { "111111131113" },
{ "3113111113" }, { "11311111111111" }, { "331111111111" }, { "111113111113" },
{ "31111111111111" }, { "111311111113" }, { "131111111113" },
{'1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1'},
};
/* Generated by "backend/tests/test_telepen -f generate_lens -g" */
static const char TeleLens[128] = {
8, 10, 8, 10, 10, 8, 8, 12, 8, 10, 8, 10, 10, 10, 10, 12,
10, 8, 6, 12, 8, 10, 10, 10, 8, 12, 10, 10, 12, 10, 10, 14,
8, 10, 8, 10, 10, 8, 8, 12, 8, 10, 8, 10, 10, 10, 10, 12,
10, 10, 8, 12, 10, 10, 10, 12, 10, 12, 10, 12, 12, 12, 12, 14,
10, 8, 6, 12, 8, 10, 10, 10, 6, 12, 10, 8, 12, 8, 8, 14,
8, 10, 8, 10, 10, 8, 8, 12, 10, 10, 8, 12, 10, 12, 12, 12,
8, 12, 10, 10, 12, 8, 8, 14, 10, 10, 8, 12, 10, 12, 12, 12,
12, 10, 8, 14, 10, 12, 12, 12, 10, 14, 12, 12, 14, 12, 12, 16
};
INTERNAL int telepen(struct zint_symbol *symbol, unsigned char source[], int src_len) {
int i, count, check_digit;
int error_number;
char dest[521]; /* 12 (start) + 30 * 16 (max for DELs) + 16 (check digit) + 12 (stop) + 1 = 521 */
char *d = dest;
error_number = 0;
count = 0;
if (src_len > 30) {
strcpy(symbol->errtxt, "390: Input too long (30 character maximum)");
return ZINT_ERROR_TOO_LONG;
}
/* Start character */
memcpy(d, TeleTable['_'], 12);
d += 12;
for (i = 0; i < src_len; i++) {
if (source[i] > 127) {
/* Cannot encode extended ASCII */
strcpy(symbol->errtxt, "391: Invalid character in input data, extended ASCII not allowed");
return ZINT_ERROR_INVALID_DATA;
}
memcpy(d, TeleTable[source[i]], TeleLens[source[i]]);
d += TeleLens[source[i]];
count += source[i];
}
check_digit = 127 - (count % 127);
if (check_digit == 127) {
check_digit = 0;
}
memcpy(d, TeleTable[check_digit], TeleLens[check_digit]);
d += TeleLens[check_digit];
if (symbol->debug & ZINT_DEBUG_PRINT) printf("Check digit: %d\n", check_digit);
/* Stop character */
memcpy(d, TeleTable['z'], 12);
d += 12;
expand(symbol, dest, d - dest);
if (symbol->output_options & COMPLIANT_HEIGHT) {
/* Default height from various Telepen docs is based on default 26pt at X 0.01125"
(average of 0.01" - 0.0125") = (26 / 72) / 0.01125 ~ 32; no min height specified */
(void) set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/);
} else {
(void) set_height(symbol, 0.0f, 50.0f, 0, 1 /*no_errtxt*/);
}
for (i = 0; i < src_len; i++) {
if (source[i] == '\0') {
symbol->text[i] = ' ';
} else {
symbol->text[i] = source[i];
}
}
symbol->text[src_len] = '\0';
return error_number;
}
INTERNAL int telepen_num(struct zint_symbol *symbol, unsigned char source[], int src_len) {
int count, check_digit, glyph;
int error_number = 0;
int i;
char dest[521]; /* 12 (start) + 30 * 16 (max for DELs) + 16 (check digit) + 12 (stop) + 1 = 521 */
char *d = dest;
unsigned char temp[61];
count = 0;
if (src_len > 60) {
strcpy(symbol->errtxt, "392: Input too long (60 character maximum)");
return ZINT_ERROR_TOO_LONG;
}
if (!is_sane(SODIUM_X_F, source, src_len)) {
strcpy(symbol->errtxt, "393: Invalid character in data (digits and \"X\" only)");
return ZINT_ERROR_INVALID_DATA;
}
/* Add a leading zero if required */
if (src_len & 1) {
memcpy(temp + 1, source, src_len++);
temp[0] = '0';
} else {
memcpy(temp, source, src_len);
}
temp[src_len] = '\0';
to_upper(temp, src_len);
/* Start character */
memcpy(d, TeleTable['_'], 12);
d += 12;
for (i = 0; i < src_len; i += 2) {
if (temp[i] == 'X') {
strcpy(symbol->errtxt, "394: Invalid position of X in Telepen data");
return ZINT_ERROR_INVALID_DATA;
}
if (temp[i + 1] == 'X') {
glyph = ctoi(temp[i]) + 17;
count += glyph;
} else {
glyph = (10 * ctoi(temp[i])) + ctoi(temp[i + 1]);
glyph += 27;
count += glyph;
}
memcpy(d, TeleTable[glyph], TeleLens[glyph]);
d += TeleLens[glyph];
}
check_digit = 127 - (count % 127);
if (check_digit == 127) {
check_digit = 0;
}
memcpy(d, TeleTable[check_digit], TeleLens[check_digit]);
d += TeleLens[check_digit];
if (symbol->debug & ZINT_DEBUG_PRINT) printf("Check digit: %d\n", check_digit);
/* Stop character */
memcpy(d, TeleTable['z'], 12);
d += 12;
expand(symbol, dest, d - dest);
if (symbol->output_options & COMPLIANT_HEIGHT) {
(void) set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/); /* Same as alphanumeric Telepen */
} else {
(void) set_height(symbol, 0.0f, 50.0f, 0, 1 /*no_errtxt*/);
}
ustrcpy(symbol->text, temp);
return error_number;
}
/* vim: set ts=4 sw=4 et : */
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