/* 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 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" " -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" " --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 main(int argc, char **argv) { struct zint_symbol *my_symbol; int i, mode, stack_row; int c; int errornum; int rotate_angle; errornum = 0; rotate_angle = 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'}, {"bind", 0, 0, 0}, {"box", 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}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "hb: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, "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, "border=")) { errornum = is_sane(NESET, optarg); if(errornum == 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=")) { errornum = is_sane(NESET, optarg); if(errornum == 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 */ errornum = is_sane(NESET, optarg); if(errornum == 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 'b': errornum = is_sane(NESET, optarg); if(errornum == ERROR_INVALID_DATA) { printf("Invalid barcode type\n"); exit(1); } my_symbol->symbology = atoi(optarg); break; case 'w': errornum = is_sane(NESET, optarg); if(errornum == ERROR_INVALID_DATA) { printf("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! */ if(rotate_angle == 0) { if(ZBarcode_Encode_and_Print(my_symbol, optarg) != 0) { printf("%s\n", my_symbol->errtxt); return 1; } } else { if(ZBarcode_Encode_and_Print_Rotated(my_symbol, optarg, rotate_angle) != 0) { printf("%s\n", my_symbol->errtxt); 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: printf("?? getopt error 0%o\n", c); } } if (optind < argc) { printf("Invalid option "); while (optind < argc) printf("%s", argv[optind++]); printf("\n"); } if(strcmp(my_symbol->errtxt, "")) { printf(my_symbol->errtxt); printf("\n"); } ZBarcode_Delete(my_symbol); return errornum; }