/* main.c - Command line handling routines for Zint */ /* libzint - the open source barcode library Copyright (C) 2008 Robin Stuart 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include #include #include #define NESET "0123456789" void types(void) { printf( " 1: Code 11 47: MSI Plessey 81: Databar Extended Stack\n" " 2: Standard 2 of 5 49: FIM 82: Planet\n" " 3: Interleaved 2 of 5 50: Logmars 84: MicroPDF\n" " 4: IATA 2 of 5 51: Pharma One-Track 85: USPS OneCode\n" " 6: Data Logic 52: PZN 86: UK Plessey\n" " 7: Industrial 2 of 5 53: Pharma Two-Track 87: Telepen Numeric\n" " 8: Code 39 55: PDF417 89: ITF-14\n" " 9: Extended Code 39 56: PDF417 Trunc 90: KIX Code\n" " 13: EAN 57: Maxicode 92: Aztec Code\n" " 16: GS1-128 58: QR Code 93: DAFT Code\n" " 18: Codabar 60: Code 128-B 97: Micro QR Code\n" " 20: Code 128 63: AP Standard Customer 128: Aztec Runes\n" " 21: Leitcode 66: AP Reply Paid 129: Code 23\n" " 22: Identcode 67: AP Routing 130: Comp + EAN\n" " 23: Code 16k 68: AP Redirection 131: Comp + GS1-128\n" " 25: Code 93 69: ISBN 132: Comp + Databar-14\n" " 28: Flattermarken 70: RM4SCC 133: Comp + Databar Ltd\n" " 29: Databar-14 71: Data Matrix 134: Comp + Databar Ext\n" " 30: Databar Limited 72: EAN-14 135: Comp + UPC-A\n" " 31: Databar Extended 74: Codablock-F 136: Comp + UPC-E\n" " 32: Telepen Alpha 75: NVE-18 137: Comp + Databar-14 Stack\n" " 34: UPC-A 77: Korea Post 138: Comp + Databar Stack Omni\n" " 37: UPC-E 79: Databar-14 Stack 139: Comp + Databar Ext Stack\n" " 40: Postnet 80: Databar-14 Stack Omni\n" ); } void usage(void) { printf( "Zint version %s\n" "Encode input data in a barcode and save as a PNG or EPS file.\n\n" " -h, --help Display this message.\n" " -t, --types Display table of barcode types\n" " -o, --output=FILE Write image to FILE. (default is out.png)\n" " -d, --data=DATA Barcode content.\n" " -b, --barcode=NUMBER Number of barcode type (default is 20 (=Code128)).\n" " --height=HEIGHT Height of my_symbol in pixels.\n" " -w, --whitesp=NUMBER Width of whitespace in pixels.\n" " --border=NUMBER Width of border in pixels.\n" " --box Add a box.\n" " --bind Add boundary bars.\n" " -r, --reverse Reverse colours (white on black).\n" " --fg=COLOUR Specify a foreground colour.\n" " --bg=COLOUR Specify a background colour.\n" " --scale=NUMBER Adjust size of output image.\n" " --directpng Send PNG output to stdout\n" " --directeps Send EPS output to stdout\n" " --rotate=NUMBER Rotate symbol (PNG output only).\n" " --cols=NUMBER (PDF417) Number of columns.\n" " --vers=NUMBER (QR Code) Version\n" " --secure=NUMBER (PDF417 and QR Code) Error correction level.\n" " --primary=STRING (Maxicode and Composite) Structured primary message.\n" " --mode=NUMBER (Maxicode and Composite) Set encoding mode.\n" , ZINT_VERSION); } int ustrlen(unsigned char data[]) { /* Local replacement for strlen() with unsigned char strings */ int i; i = -1; do { i++; } while (data[i] != '\0'); return i; } int data_process(struct zint_symbol *symbol, unsigned char source[], int rotate_angle) { /* Supports UTF-8 input by converting it to Latin-1 Extended ASCII */ int input_length; int error_number, i, j, next; error_number = 0; input_length = ustrlen(source); unsigned char latin1[input_length]; j = 0; i = 0; do { next = -1; if(source[i] < 128) { latin1[j] = source[i]; j++; next = i + 1; } else { if(source[i] == 0xC2) { latin1[j] = source[i + 1]; j++; next = i + 2; } if(source[i] == 0xC3) { latin1[j] = source[i + 1] + 64; j++; next = i + 2; } } if(next == -1) { strcpy(symbol->errtxt, "error: Invalid character in input string (only Latin-1 characters supported)"); error_number = ERROR_INVALID_DATA; return error_number; } i = next; } while(i < input_length); latin1[j] = '\0'; if(rotate_angle == 0) { error_number = ZBarcode_Encode_and_Print(symbol, latin1); } else { error_number = ZBarcode_Encode_and_Print_Rotated(symbol, latin1, rotate_angle); } return error_number; } int validator(char test_string[], char source[]) { /* Verifies that a string only uses valid characters */ unsigned int i, j, latch; for(i = 0; i < strlen(source); i++) { latch = 0; for(j = 0; j < strlen(test_string); j++) { if (source[i] == test_string[j]) { latch = 1; } } if (!(latch)) { return ERROR_INVALID_DATA; } } return 0; } int main(int argc, char **argv) { struct zint_symbol *my_symbol; int c; int error_number; int rotate_angle; int generated; error_number = 0; rotate_angle = 0; generated = 0; my_symbol = ZBarcode_Create(); if(argc == 1) { usage(); exit(1); } while(1) { int option_index = 0; static struct option long_options[] = { {"help", 0, 0, 'h'}, {"types", 0, 0, 't'}, {"bind", 0, 0, 0}, {"box", 0, 0, 0}, {"directeps", 0, 0, 0}, {"directpng", 0, 0, 0}, {"barcode=", 1, 0, 'b'}, {"height=", 1, 0, 0}, {"whitesp=", 1, 0, 'w'}, {"border=", 1, 0, 0}, {"data=", 1, 0, 'd'}, {"output=", 1, 0, 'o'}, {"fg=", 1, 0, 0}, {"bg=", 1, 0, 0}, {"cols=", 1, 0, 0}, {"vers=", 1, 0, 0}, {"rotate=", 1, 0, 0}, {"secure=", 1, 0, 0}, {"reverse", 1, 0, 'r'}, {"case", 0, 0, 'c'}, {"mode=", 1, 0, 0}, {"primary=", 1, 0, 0}, {"scale=", 1, 0, 0}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "htb:w:d:o:i:rcmp", long_options, &option_index); if(c == -1) break; switch(c) { case 0: if(!strcmp(long_options[option_index].name, "bind")) { my_symbol->output_options += BARCODE_BIND; } if(!strcmp(long_options[option_index].name, "box")) { my_symbol->output_options += BARCODE_BOX; } if(!strcmp(long_options[option_index].name, "directeps")) { my_symbol->output_options += BARCODE_STDOUT; strncpy(my_symbol->outfile, "dummy.eps", 10); } if(!strcmp(long_options[option_index].name, "directpng")) { my_symbol->output_options += BARCODE_STDOUT; strncpy(my_symbol->outfile, "dummy.png", 10); } if(!strcmp(long_options[option_index].name, "fg=")) { strncpy(my_symbol->fgcolour, optarg, 7); } if(!strcmp(long_options[option_index].name, "bg=")) { strncpy(my_symbol->bgcolour, optarg, 7); } if(!strcmp(long_options[option_index].name, "scale=")) { my_symbol->scale = (float)(atof(optarg)); if(my_symbol->scale < 0.01) { /* Zero and negative values are not permitted */ fprintf(stderr, "Invalid scale value\n"); my_symbol->scale = 1.0; } } if(!strcmp(long_options[option_index].name, "border=")) { error_number = validator(NESET, optarg); if(error_number == ERROR_INVALID_DATA) { fprintf(stderr, "Invalid border width\n"); exit(1); } if((atoi(optarg) >= 0) && (atoi(optarg) <= 1000)) { my_symbol->border_width = atoi(optarg); } else { fprintf(stderr, "Border width out of range\n"); } } if(!strcmp(long_options[option_index].name, "height=")) { error_number = validator(NESET, optarg); if(error_number == ERROR_INVALID_DATA) { fprintf(stderr, "Invalid symbol height\n"); exit(1); } if((atoi(optarg) >= 1) && (atoi(optarg) <= 1000)) { my_symbol->height = atoi(optarg); } else { fprintf(stderr, "Symbol height out of range\n"); } } if(!strcmp(long_options[option_index].name, "cols=")) { if((atoi(optarg) >= 1) && (atoi(optarg) <= 30)) { my_symbol->option_2 = atoi(optarg); } else { fprintf(stderr, "Number of columns out of range\n"); } } if(!strcmp(long_options[option_index].name, "vers=")) { if((atoi(optarg) >= 1) && (atoi(optarg) <= 40)) { my_symbol->option_2 = atoi(optarg); } else { fprintf(stderr, "Invalid QR Code version\n"); } } if(!strcmp(long_options[option_index].name, "secure=")) { if((atoi(optarg) >= 1) && (atoi(optarg) <= 8)) { my_symbol->option_1 = atoi(optarg); } else { fprintf(stderr, "ECC level out of range\n"); } } if(!strcmp(long_options[option_index].name, "primary=")) { if(strlen(optarg) <= 90) { strcpy(my_symbol->primary, optarg); } else { fprintf(stderr, "Primary data string too long"); } } if(!strcmp(long_options[option_index].name, "mode=")) { /* Don't allow specification of modes 2 and 3 - do it automagically instead */ if((optarg[0] >= '0') && (optarg[0] <= '6')) { my_symbol->option_1 = optarg[0] - '0'; } else { fprintf(stderr, "Invalid mode\n"); } } if(!strcmp(long_options[option_index].name, "rotate=")) { /* Only certain inputs allowed */ error_number = validator(NESET, optarg); if(error_number == ERROR_INVALID_DATA) { fprintf(stderr, "Invalid rotation parameter\n"); exit(1); } switch(atoi(optarg)) { case 90: rotate_angle = 90; break; case 180: rotate_angle = 180; break; case 270: rotate_angle = 270; break; default: rotate_angle = 0; break; } } break; case 'h': usage(); break; case 't': types(); break; case 'b': error_number = validator(NESET, optarg); if(error_number == ERROR_INVALID_DATA) { fprintf(stderr, "Invalid barcode type\n"); exit(1); } my_symbol->symbology = atoi(optarg); break; case 'w': error_number = validator(NESET, optarg); if(error_number == ERROR_INVALID_DATA) { fprintf(stderr, "Invalid whitespace value\n"); exit(1); } if((atoi(optarg) >= 0) && (atoi(optarg) <= 1000)) { my_symbol->whitespace_width = atoi(optarg); } else { fprintf(stderr, "Whitespace value out of range"); } break; case 'd': /* we have some data! */ error_number = data_process(my_symbol, (unsigned char*)optarg, rotate_angle); generated = 1; if(error_number != 0) { fprintf(stderr, "%s\n", my_symbol->errtxt); ZBarcode_Delete(my_symbol); return 1; } break; case 'o': strncpy(my_symbol->outfile, optarg, 250); break; case 'r': strcpy(my_symbol->fgcolour, "ffffff"); strcpy(my_symbol->bgcolour, "000000"); break; case '?': break; default: fprintf(stderr, "?? getopt error 0%o\n", c); } } if (optind < argc) { fprintf(stderr, "Invalid option "); while (optind < argc) fprintf(stderr, "%s", argv[optind++]); fprintf(stderr, "\n"); } if(generated == 0) { fprintf(stderr, "error: No data received, no symbol generated\n"); } ZBarcode_Delete(my_symbol); return error_number; }