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zint/backend/telepen.c
gitlost f0c7248b62 general: raw_segs -> content_segs, BARCODE_RAW_TEXT -> 
`BARCODE_CONTENT_SEGS`, `z_rt_XXX()` -> `z_ct_XXX()`;
  move `encoded_data`/`row_height` to end of `zint_symbol`
  (see ZXing-C++ issue #883)
manual: update re `content_segs`; `my_symbol` -> `symbol`;
  improve MicroPDF417 description
2025-11-04 23:02:10 +00:00

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/* telepen.c - Handles Telepen and Telepen numeric */
/*
libzint - the open source barcode library
Copyright (C) 2008-2025 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 <stdio.h>
#include "common.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 zint_telepen(struct zint_symbol *symbol, unsigned char source[], int length) {
int i, count, check_digit;
int error_number;
char dest[1145]; /* 12 (Start) + 69 * 16 (max for DELs) + 16 (Check) + 12 (stop) + 1 = 1145 */
char *d = dest;
const int content_segs = symbol->output_options & BARCODE_CONTENT_SEGS;
error_number = 0;
count = 0;
if (length > 69) { /* 16 (Start) + 69 * 16 + 16 (Check) + 16 (Stop) = 1152 */
return z_errtxtf(ZINT_ERROR_TOO_LONG, symbol, 390, "Input length %d too long (maximum 69)", length);
}
/* Start character */
memcpy(d, TeleTable['_'], 12);
d += 12;
for (i = 0; i < length; i++) {
if (!z_isascii(source[i])) {
/* Cannot encode extended ASCII */
return z_errtxtf(ZINT_ERROR_INVALID_DATA, symbol, 391,
"Invalid character at position %d in input, extended ASCII not allowed", i + 1);
}
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;
z_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) z_set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/);
} else {
(void) z_set_height(symbol, 0.0f, 50.0f, 0, 1 /*no_errtxt*/);
}
z_hrt_cpy_iso8859_1(symbol, source, length);
if (content_segs && z_ct_cpy_cat(symbol, source, length, (char) check_digit, NULL /*cat*/, 0)) {
return ZINT_ERROR_MEMORY; /* `z_ct_cpy_cat()` only fails with OOM */
}
return error_number;
}
INTERNAL int zint_telepen_num(struct zint_symbol *symbol, unsigned char source[], int length) {
int count, check_digit, glyph;
int error_number = 0;
int i;
char dest[1129]; /* 12 (Start) + 68 * 16 (max for DELs) + 16 (Check) + 12 (Stop) + 1 = 1129 */
char *d = dest;
unsigned char local_source[137];
const int content_segs = symbol->output_options & BARCODE_CONTENT_SEGS;
count = 0;
if (length > 136) { /* 68*2 */
return z_errtxtf(ZINT_ERROR_TOO_LONG, symbol, 392, "Input length %d too long (maximum 136)", length);
}
if ((i = z_not_sane(SODIUM_X_F, source, length))) {
return z_errtxtf(ZINT_ERROR_INVALID_DATA, symbol, 393,
"Invalid character at position %d in input (digits and \"X\" only)", i);
}
/* Add a leading zero if required */
if (length & 1) {
memcpy(local_source + 1, source, length++);
local_source[0] = '0';
} else {
memcpy(local_source, source, length);
}
z_to_upper(local_source, length);
/* Start character */
memcpy(d, TeleTable['_'], 12);
d += 12;
for (i = 0; i < length; i += 2) {
if (local_source[i] == 'X') {
return z_errtxtf(ZINT_ERROR_INVALID_DATA, symbol, 394, "Invalid odd position %d of \"X\" in Telepen data",
i + 1);
}
if (local_source[i + 1] == 'X') {
glyph = z_ctoi(local_source[i]) + 17;
count += glyph;
} else {
glyph = 10 * z_ctoi(local_source[i]) + z_ctoi(local_source[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;
z_expand(symbol, dest, d - dest);
if (symbol->output_options & COMPLIANT_HEIGHT) {
(void) z_set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/); /* Same as alphanumeric Telepen */
} else {
(void) z_set_height(symbol, 0.0f, 50.0f, 0, 1 /*no_errtxt*/);
}
z_hrt_cpy_nochk(symbol, local_source, length);
if (content_segs && z_ct_cpy_cat(symbol, local_source, length, (char) check_digit, NULL /*cat*/, 0)) {
return ZINT_ERROR_MEMORY; /* `z_ct_cpy_cat()` only fails with OOM */
}
return error_number;
}
/* vim: set ts=4 sw=4 et : */
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