mirror of
https://git.code.sf.net/p/zint/code
synced 2025-05-15 07:34:35 -04:00
code reworked
This commit is contained in:
openapc
parent
f48d7ab6a6
commit
bf2dbe7494
26 changed files with 284 additions and 499 deletions
104
backend/code.c
104
backend/code.c
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@ -3,20 +3,6 @@
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/*
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libzint - the open source barcode library
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Copyright (C) 2008 Robin Stuart <robin@zint.org.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* In version 0.5 this file was 1,553 lines long! */
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@ -29,15 +15,15 @@
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#define SODIUM "0123456789-"
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#define SILVER "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%abcd"
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static char *C11Table[11] = {"111121", "211121", "121121", "221111", "112121", "212111", "122111",
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static const char *C11Table[11] = {"111121", "211121", "121121", "221111", "112121", "212111", "122111",
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"111221", "211211", "211111", "112111"};
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/* Code 39 tables checked against ISO/IEC 16388:2007 */
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/* Incorporates Table A1 */
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static char *C39Table[43] = { "1112212111", "2112111121", "1122111121", "2122111111", "1112211121",
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static const char *C39Table[43] = { "1112212111", "2112111121", "1122111121", "2122111111", "1112211121",
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"2112211111", "1122211111", "1112112121", "2112112111", "1122112111", "2111121121",
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"1121121121", "2121121111", "1111221121", "2111221111", "1121221111", "1111122121",
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"2111122111", "1121122111", "1111222111", "2111111221", "1121111221", "2121111211",
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@ -47,7 +33,7 @@ static char *C39Table[43] = { "1112212111", "2112111121", "1122111121", "2122111
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"1211121211", "1112121211"};
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/* Code 39 character assignments (Table 1) */
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static char *EC39Ctrl[128] = {"%U", "$A", "$B", "$C", "$D", "$E", "$F", "$G", "$H", "$I", "$J", "$K",
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static const char *EC39Ctrl[128] = {"%U", "$A", "$B", "$C", "$D", "$E", "$F", "$G", "$H", "$I", "$J", "$K",
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"$L", "$M", "$N", "$O", "$P", "$Q", "$R", "$S", "$T", "$U", "$V", "$W", "$X", "$Y", "$Z",
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"%A", "%B", "%C", "%D", "%E", " ", "/A", "/B", "/C", "/D", "/E", "/F", "/G", "/H", "/I", "/J",
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"/K", "/L", "-", ".", "/O", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "/Z", "%F",
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@ -57,7 +43,7 @@ static char *EC39Ctrl[128] = {"%U", "$A", "$B", "$C", "$D", "$E", "$F", "$G", "$
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"+P", "+Q", "+R", "+S", "+T", "+U", "+V", "+W", "+X", "+Y", "+Z", "%P", "%Q", "%R", "%S", "%T"};
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/* Encoding the full ASCII character set in Code 39 (Table A2) */
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static char *C93Ctrl[128] = {"bU", "aA", "aB", "aC", "aD", "aE", "aF", "aG", "aH", "aI", "aJ", "aK",
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static const char *C93Ctrl[128] = {"bU", "aA", "aB", "aC", "aD", "aE", "aF", "aG", "aH", "aI", "aJ", "aK",
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"aL", "aM", "aN", "aO", "aP", "aQ", "aR", "aS", "aT", "aU", "aV", "aW", "aX", "aY", "aZ",
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"bA", "bB", "bC", "bD", "bE", " ", "cA", "cB", "cC", "cD", "cE", "cF", "cG", "cH", "cI", "cJ",
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"cK", "cL", "cM", "cN", "cO", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "cZ", "bF",
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@ -66,7 +52,7 @@ static char *C93Ctrl[128] = {"bU", "aA", "aB", "aC", "aD", "aE", "aF", "aG", "aH
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"bW", "dA", "dB", "dC", "dD", "dE", "dF", "dG", "dH", "dI", "dJ", "dK", "dL", "dM", "dN", "dO",
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"dP", "dQ", "dR", "dS", "dT", "dU", "dV", "dW", "dX", "dY", "dZ", "bP", "bQ", "bR", "bS", "bT"};
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static char *C93Table[47] = {"131112", "111213", "111312", "111411", "121113", "121212", "121311",
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static const char *C93Table[47] = {"131112", "111213", "111312", "111411", "121113", "121212", "121311",
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"111114", "131211", "141111", "211113", "211212", "211311", "221112", "221211", "231111",
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"112113", "112212", "112311", "122112", "132111", "111123", "111222", "111321", "121122",
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"131121", "212112", "212211", "211122", "211221", "221121", "222111", "112122", "112221",
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@ -82,7 +68,7 @@ char pattern[30];
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/* Function Prototypes */
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void NextS(int Chan, int i, int MaxS, int MaxB);
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void NextB(int Chan, int i, int MaxB, int MaxS);
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/* *********************** CODE 11 ******************** */
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int code_11(struct zint_symbol *symbol, unsigned char source[], int length)
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@ -93,7 +79,7 @@ int code_11(struct zint_symbol *symbol, unsigned char source[], int length)
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int weight[128], error_number;
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char dest[1024]; /* 6 + 121 * 6 + 2 * 6 + 5 + 1 ~ 1024*/
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char checkstr[3];
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error_number = 0;
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if(length > 121) {
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@ -153,7 +139,7 @@ int code_11(struct zint_symbol *symbol, unsigned char source[], int length)
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checkstr[2] = '\0';
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lookup(SODIUM, C11Table, checkstr[0], dest);
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lookup(SODIUM, C11Table, checkstr[1], dest);
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/* Stop character */
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concat (dest, "11221");
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@ -172,14 +158,14 @@ int c39(struct zint_symbol *symbol, unsigned char source[], int length)
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int error_number;
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char dest[775];
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char localstr[2] = { 0 };
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error_number = 0;
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counter = 0;
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if((symbol->option_2 < 0) || (symbol->option_2 > 1)) {
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symbol->option_2 = 0;
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}
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if((symbol->symbology == BARCODE_LOGMARS) && (length > 59)) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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@ -201,9 +187,9 @@ int c39(struct zint_symbol *symbol, unsigned char source[], int length)
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lookup(SILVER, C39Table, source[i], dest);
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counter += posn(SILVER, source[i]);
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}
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if((symbol->symbology == BARCODE_LOGMARS) || (symbol->option_2 == 1)) {
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counter = counter % 43;
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if(counter < 10) {
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check_digit = itoc(counter);
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@ -224,19 +210,19 @@ int c39(struct zint_symbol *symbol, unsigned char source[], int length)
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}
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}
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lookup(SILVER, C39Table, check_digit, dest);
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/* Display a space check digit as _, otherwise it looks like an error */
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if(check_digit == ' ') {
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check_digit = '_';
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}
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localstr[0] = check_digit;
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localstr[1] = '\0';
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}
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/* Stop character */
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concat (dest, "121121211");
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if((symbol->symbology == BARCODE_LOGMARS) || (symbol->symbology == BARCODE_HIBC_39)) {
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/* LOGMARS uses wider 'wide' bars than normal Code 39 */
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counter = strlen(dest);
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@ -246,9 +232,9 @@ int c39(struct zint_symbol *symbol, unsigned char source[], int length)
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}
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}
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}
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expand(symbol, dest);
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if(symbol->symbology == BARCODE_CODE39) {
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ustrcpy(symbol->text, (unsigned char*)"*");
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uconcat(symbol->text, source);
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@ -263,11 +249,11 @@ int c39(struct zint_symbol *symbol, unsigned char source[], int length)
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int pharmazentral(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Pharmazentral Nummer (PZN) */
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int i, error_number, zeroes;
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unsigned int count, check_digit;
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char localstr[10];
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error_number = 0;
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count = 0;
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@ -280,17 +266,17 @@ int pharmazentral(struct zint_symbol *symbol, unsigned char source[], int length
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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localstr[0] = '-';
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zeroes = 6 - length + 1;
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for(i = 1; i < zeroes; i++)
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localstr[i] = '0';
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strcpy(localstr + zeroes, (char *)source);
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for (i = 1; i < 7; i++) {
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count += (i + 1) * ctoi(localstr[i]);
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}
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check_digit = count%11;
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if (check_digit == 11) { check_digit = 0; }
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localstr[7] = itoc(check_digit);
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@ -321,7 +307,7 @@ int ec39(struct zint_symbol *symbol, unsigned char source[], int length)
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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/* Creates a buffer string and places control characters into it */
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for(i = 0; i < length; i++) {
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if(source[i] > 127) {
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@ -334,7 +320,7 @@ int ec39(struct zint_symbol *symbol, unsigned char source[], int length)
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/* Then sends the buffer to the C39 function */
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error_number = c39(symbol, buffer, ustrlen(buffer));
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for(i = 0; i < length; i++)
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symbol->text[i] = source[i] ? source[i] : ' ';
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symbol->text[length] = '\0';
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@ -356,15 +342,15 @@ int c93(struct zint_symbol *symbol, unsigned char source[], int length)
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char buffer[220];
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char dest[670];
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char set_copy[] = SILVER;
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error_number = 0;
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strcpy(buffer, "");
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if(length > 107) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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/* Message Content */
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for (i = 0; i < length; i++) {
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if (source[i] > 127) {
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@ -375,14 +361,14 @@ int c93(struct zint_symbol *symbol, unsigned char source[], int length)
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concat(buffer, C93Ctrl[source[i]]);
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symbol->text[i] = source[i] ? source[i] : ' ';
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}
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/* Now we can check the true length of the barcode */
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h = strlen(buffer);
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if (h > 107) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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for (i = 0; i < h; i++) {
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values[i] = posn(SILVER, buffer[i]);
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}
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@ -437,7 +423,7 @@ int c93(struct zint_symbol *symbol, unsigned char source[], int length)
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/* Their are used here on the understanding that they form part of the specification
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for Channel Code and therefore their use is permitted under the following terms
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set out in that document:
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"It is the intent and understanding of AIM [t]hat the symbology presented in this
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specification is entirely in the public domain and free of all use restrictions,
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licenses and fees. AIM USA, its memer companies, or individual officers
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@ -446,7 +432,7 @@ int c93(struct zint_symbol *symbol, unsigned char source[], int length)
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void CheckCharacter() {
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int i;
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char part[3];
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if(value == target_value) {
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/* Target reached - save the generated pattern */
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strcpy(pattern, "11110");
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@ -461,7 +447,7 @@ void CheckCharacter() {
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void NextB(int Chan, int i, int MaxB, int MaxS) {
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int b;
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b = (S[i]+B[i-1]+S[i-1]+B[i-2] > 4)? 1:2;
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if (i < Chan+2) {
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for (; b <= MaxB; b++) {
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@ -477,7 +463,7 @@ void NextB(int Chan, int i, int MaxB, int MaxS) {
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void NextS(int Chan, int i, int MaxS, int MaxB) {
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int s;
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for (s = (i<Chan+2)? 1: MaxS; s <= MaxS; s++) {
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S[i] = s;
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NextB(Chan,i,MaxB,MaxS+1-s);
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@ -486,13 +472,13 @@ void NextS(int Chan, int i, int MaxS, int MaxB) {
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int channel_code(struct zint_symbol *symbol, unsigned char source[], int length) {
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/* Channel Code - According to ANSI/AIM BC12-1998 */
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int channels, i;
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int error_number = 0, range = 0, zeroes;
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char hrt[9];
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target_value = 0;
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if(length > 7) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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@ -502,16 +488,16 @@ int channel_code(struct zint_symbol *symbol, unsigned char source[], int length)
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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if((symbol->option_2 < 3) || (symbol->option_2 > 8)) { channels = 0; } else { channels = symbol->option_2; }
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if(channels == 0) { channels = length + 1; }
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if(channels == 2) { channels = 3; }
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for(i = 0; i < length; i++) {
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target_value *= 10;
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target_value += ctoi((char) source[i]);
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}
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switch(channels) {
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case 3: if(target_value > 26) { range = 1; } break;
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case 4: if(target_value > 292) { range = 1; } break;
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@ -524,19 +510,19 @@ int channel_code(struct zint_symbol *symbol, unsigned char source[], int length)
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strcpy(symbol->errtxt, "Value out of range");
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return ERROR_INVALID_DATA;
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}
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for(i = 0; i < 11; i++) { B[i] = 0; S[i] = 0; }
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B[0] = S[1] = B[1] = S[2] = B[2] = 1;
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value = 0;
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NextS(channels,3,channels,channels);
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zeroes = channels - 1 - length;
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memset(hrt, '0', zeroes);
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strcpy(hrt + zeroes, (char *)source);
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ustrcpy(symbol->text, (unsigned char *)hrt);
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expand(symbol, pattern);
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return error_number;
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}
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