mirror of
https://github.com/zint/zint
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21d015a84a
reedsol.c: some performance gain by stashing generated poly logs and pre-checking if has a zero coeff to avoid inner loop branch
227 lines
9.6 KiB
C
227 lines
9.6 KiB
C
/* telepen.c - Handles Telepen and Telepen numeric */
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/*
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libzint - the open source barcode library
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Copyright (C) 2008-2021 Robin Stuart <rstuart114@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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/* vim: set ts=4 sw=4 et : */
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/* Telepen Barcode Symbology information and History (BSiH)
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https://telepen.co.uk/wp-content/uploads/2018/10/Barcode-Symbology-information-and-History.pdf */
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#define SODIUM_X_F (IS_NUM_F | IS_UX__F) /* SODIUM "0123456789X" */
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#include <stdio.h>
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#include "common.h"
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static const char TeleTable[128][16] = {
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{ "31313131" }, { "1131313111" }, { "33313111" }, { "1111313131" },
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{ "3111313111" }, { "11333131" }, { "13133131" }, { "111111313111" },
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{ "31333111" }, { "1131113131" }, { "33113131" }, { "1111333111" },
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{ "3111113131" }, { "1113133111" }, { "1311133111" }, { "111111113131" },
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{ "3131113111" }, { "11313331" }, { "333331" }, { "111131113111" },
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{ "31113331" }, { "1133113111" }, { "1313113111" }, { "1111113331" },
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{ "31131331" }, { "113111113111" }, { "3311113111" }, { "1111131331" },
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{ "311111113111" }, { "1113111331" }, { "1311111331" }, { "11111111113111" },
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{ "31313311" }, { "1131311131" }, { "33311131" }, { "1111313311" },
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{ "3111311131" }, { "11333311" }, { "13133311" }, { "111111311131" },
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{ "31331131" }, { "1131113311" }, { "33113311" }, { "1111331131" },
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{ "3111113311" }, { "1113131131" }, { "1311131131" }, { "111111113311" },
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{ "3131111131" }, { "1131131311" }, { "33131311" }, { "111131111131" },
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{ "3111131311" }, { "1133111131" }, { "1313111131" }, { "111111131311" },
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{ "3113111311" }, { "113111111131" }, { "3311111131" }, { "111113111311" },
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{ "311111111131" }, { "111311111311" }, { "131111111311" }, { "11111111111131" },
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{ "3131311111" }, { "11313133" }, { "333133" }, { "111131311111" },
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{ "31113133" }, { "1133311111" }, { "1313311111" }, { "1111113133" },
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{ "313333" }, { "113111311111" }, { "3311311111" }, { "11113333" },
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{ "311111311111" }, { "11131333" }, { "13111333" }, { "11111111311111" },
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{ "31311133" }, { "1131331111" }, { "33331111" }, { "1111311133" },
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{ "3111331111" }, { "11331133" }, { "13131133" }, { "111111331111" },
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{ "3113131111" }, { "1131111133" }, { "33111133" }, { "111113131111" },
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{ "3111111133" }, { "111311131111" }, { "131111131111" }, { "111111111133" },
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{ "31311313" }, { "113131111111" }, { "3331111111" }, { "1111311313" },
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{ "311131111111" }, { "11331313" }, { "13131313" }, { "11111131111111" },
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{ "3133111111" }, { "1131111313" }, { "33111313" }, { "111133111111" },
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{ "3111111313" }, { "111313111111" }, { "131113111111" }, { "111111111313" },
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{ "313111111111" }, { "1131131113" }, { "33131113" }, { "11113111111111" },
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{ "3111131113" }, { "113311111111" }, { "131311111111" }, { "111111131113" },
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{ "3113111113" }, { "11311111111111" }, { "331111111111" }, { "111113111113" },
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{ "31111111111111" }, { "111311111113" }, { "131111111113" },
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{'1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1'},
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};
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/* Generated by "backend/tests/test_telepen -f generate_lens -g" */
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static const char TeleLens[128] = {
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8, 10, 8, 10, 10, 8, 8, 12, 8, 10, 8, 10, 10, 10, 10, 12,
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10, 8, 6, 12, 8, 10, 10, 10, 8, 12, 10, 10, 12, 10, 10, 14,
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8, 10, 8, 10, 10, 8, 8, 12, 8, 10, 8, 10, 10, 10, 10, 12,
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10, 10, 8, 12, 10, 10, 10, 12, 10, 12, 10, 12, 12, 12, 12, 14,
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10, 8, 6, 12, 8, 10, 10, 10, 6, 12, 10, 8, 12, 8, 8, 14,
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8, 10, 8, 10, 10, 8, 8, 12, 10, 10, 8, 12, 10, 12, 12, 12,
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8, 12, 10, 10, 12, 8, 8, 14, 10, 10, 8, 12, 10, 12, 12, 12,
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12, 10, 8, 14, 10, 12, 12, 12, 10, 14, 12, 12, 14, 12, 12, 16
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};
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INTERNAL int telepen(struct zint_symbol *symbol, unsigned char source[], int src_len) {
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int i, count, check_digit;
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int error_number;
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char dest[521]; /* 12 (start) + 30 * 16 (max for DELs) + 16 (check digit) + 12 (stop) + 1 = 521 */
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char *d = dest;
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error_number = 0;
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count = 0;
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if (src_len > 30) {
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strcpy(symbol->errtxt, "390: Input too long (30 character maximum)");
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return ZINT_ERROR_TOO_LONG;
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}
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/* Start character */
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memcpy(d, TeleTable['_'], 12);
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d += 12;
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for (i = 0; i < src_len; i++) {
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if (source[i] > 127) {
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/* Cannot encode extended ASCII */
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strcpy(symbol->errtxt, "391: Invalid character in input data, extended ASCII not allowed");
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return ZINT_ERROR_INVALID_DATA;
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}
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memcpy(d, TeleTable[source[i]], TeleLens[source[i]]);
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d += TeleLens[source[i]];
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count += source[i];
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}
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check_digit = 127 - (count % 127);
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if (check_digit == 127) {
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check_digit = 0;
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}
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memcpy(d, TeleTable[check_digit], TeleLens[check_digit]);
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d += TeleLens[check_digit];
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if (symbol->debug & ZINT_DEBUG_PRINT) printf("Check digit: %d\n", check_digit);
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/* Stop character */
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memcpy(d, TeleTable['z'], 12);
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d += 12;
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expand(symbol, dest, d - dest);
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if (symbol->output_options & COMPLIANT_HEIGHT) {
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/* Default height from various Telepen docs is based on default 26pt at X 0.01125"
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(average of 0.01" - 0.0125") = (26 / 72) / 0.01125 ~ 32; no min height specified */
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(void) set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/);
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} else {
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(void) set_height(symbol, 0.0f, 50.0f, 0, 1 /*no_errtxt*/);
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}
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for (i = 0; i < src_len; i++) {
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if (source[i] == '\0') {
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symbol->text[i] = ' ';
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} else {
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symbol->text[i] = source[i];
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}
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}
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symbol->text[src_len] = '\0';
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return error_number;
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}
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INTERNAL int telepen_num(struct zint_symbol *symbol, unsigned char source[], int src_len) {
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int count, check_digit, glyph;
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int error_number = 0;
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int i;
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char dest[521]; /* 12 (start) + 30 * 16 (max for DELs) + 16 (check digit) + 12 (stop) + 1 = 521 */
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char *d = dest;
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unsigned char temp[64];
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count = 0;
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if (src_len > 60) {
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strcpy(symbol->errtxt, "392: Input too long (60 character maximum)");
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return ZINT_ERROR_TOO_LONG;
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}
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ustrcpy(temp, source);
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to_upper(temp, src_len);
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if (!is_sane(SODIUM_X_F, temp, src_len)) {
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strcpy(symbol->errtxt, "393: Invalid character in data (digits and \"X\" only)");
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return ZINT_ERROR_INVALID_DATA;
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}
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/* Add a leading zero if required */
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if (src_len & 1) {
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memmove(temp + 1, temp, src_len);
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temp[0] = '0';
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temp[++src_len] = '\0';
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}
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/* Start character */
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memcpy(d, TeleTable['_'], 12);
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d += 12;
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for (i = 0; i < src_len; i += 2) {
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if (temp[i] == 'X') {
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strcpy(symbol->errtxt, "394: Invalid position of X in Telepen data");
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return ZINT_ERROR_INVALID_DATA;
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}
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if (temp[i + 1] == 'X') {
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glyph = ctoi(temp[i]) + 17;
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count += glyph;
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} else {
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glyph = (10 * ctoi(temp[i])) + ctoi(temp[i + 1]);
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glyph += 27;
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count += glyph;
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}
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memcpy(d, TeleTable[glyph], TeleLens[glyph]);
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d += TeleLens[glyph];
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}
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check_digit = 127 - (count % 127);
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if (check_digit == 127) {
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check_digit = 0;
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}
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memcpy(d, TeleTable[check_digit], TeleLens[check_digit]);
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d += TeleLens[check_digit];
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if (symbol->debug & ZINT_DEBUG_PRINT) printf("Check digit: %d\n", check_digit);
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/* Stop character */
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memcpy(d, TeleTable['z'], 12);
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d += 12;
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expand(symbol, dest, d - dest);
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if (symbol->output_options & COMPLIANT_HEIGHT) {
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(void) set_height(symbol, 0.0f, 32.0f, 0, 1 /*no_errtxt*/); /* Same as alphanumeric Telepen */
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} else {
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(void) set_height(symbol, 0.0f, 50.0f, 0, 1 /*no_errtxt*/);
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}
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ustrcpy(symbol->text, temp);
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return error_number;
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}
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