/* library.c - external functions of libzint 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 "common.h" #include "gs1.h" struct zint_symbol *ZBarcode_Create() { struct zint_symbol *symbol; int i, j; symbol = malloc(sizeof(*symbol)); if (!symbol) return NULL; memset(symbol, 0, sizeof(*symbol)); symbol->symbology = BARCODE_CODE128; symbol->height = 0; symbol->whitespace_width = 0; symbol->border_width = 0; symbol->output_options = 0; symbol->rows = 0; symbol->width = 0; strcpy(symbol->fgcolour, "000000"); strcpy(symbol->bgcolour, "ffffff"); strcpy(symbol->outfile, "out.png"); symbol->scale = 1.0; symbol->option_1 = -1; symbol->option_2 = 0; symbol->option_3 = 928; // PDF_MAX symbol->input_mode = DATA_MODE; strcpy(symbol->primary, ""); for(i = 0; i < 178; i++) { for(j = 0; j < 1000; j++) { symbol->encoded_data[i][j] = '0'; } symbol->row_height[i] = 0; } return symbol; symbol->nullchar = 0x00; } int ZBarcode_Delete(struct zint_symbol *symbol) { free(symbol); return 0; } extern int eanx(struct zint_symbol *symbol, unsigned char source[]); /* EAN system barcodes */ extern int c39(struct zint_symbol *symbol, unsigned char source[]); /* Code 3 from 9 (or Code 39) */ extern int pharmazentral(struct zint_symbol *symbol, unsigned char source[]); /* Pharmazentral Nummer (PZN) */ extern int ec39(struct zint_symbol *symbol, unsigned char source[]); /* Extended Code 3 from 9 (or Code 39+) */ extern int codabar(struct zint_symbol *symbol, unsigned char source[]); /* Codabar - a simple substitution cipher */ extern int matrix_two_of_five(struct zint_symbol *symbol, unsigned char source[]); /* Code 2 of 5 Standard (& Matrix) */ extern int industrial_two_of_five(struct zint_symbol *symbol, unsigned char source[]); /* Code 2 of 5 Industrial */ extern int iata_two_of_five(struct zint_symbol *symbol, unsigned char source[]); /* Code 2 of 5 IATA */ extern int interleaved_two_of_five(struct zint_symbol *symbol, unsigned char source[]); /* Code 2 of 5 Interleaved */ extern int logic_two_of_five(struct zint_symbol *symbol, unsigned char source[]); /* Code 2 of 5 Data Logic */ extern int itf14(struct zint_symbol *symbol, unsigned char source[]); /* ITF-14 */ extern int dpleit(struct zint_symbol *symbol, unsigned char source[]); /* Deutsche Post Leitcode */ extern int dpident(struct zint_symbol *symbol, unsigned char source[]); /* Deutsche Post Identcode */ extern int c93(struct zint_symbol *symbol, unsigned char source[]); /* Code 93 - a re-working of Code 39+, generates 2 check digits */ extern int code_128(struct zint_symbol *symbol, unsigned char source[]); /* Code 128 and NVE-18 */ extern int ean_128(struct zint_symbol *symbol, unsigned char source[]); /* EAN-128 (GS1-128) */ extern int code_11(struct zint_symbol *symbol, unsigned char source[]); /* Code 11 */ extern int msi_handle(struct zint_symbol *symbol, unsigned char source[]); /* MSI Plessey */ extern int telepen(struct zint_symbol *symbol, unsigned char source[]); /* Telepen ASCII */ extern int telepen_num(struct zint_symbol *symbol, unsigned char source[]); /* Telepen Numeric */ extern int plessey(struct zint_symbol *symbol, unsigned char source[]); /* Plessey Code */ extern int pharma_one(struct zint_symbol *symbol, unsigned char source[]); /* Pharmacode One Track */ extern int flattermarken(struct zint_symbol *symbol, unsigned char source[]); /* Flattermarken */ extern int fim(struct zint_symbol *symbol, unsigned char source[]); /* Facing Identification Mark */ extern int pharma_two(struct zint_symbol *symbol, unsigned char source[]); /* Pharmacode Two Track */ extern int post_plot(struct zint_symbol *symbol, unsigned char source[]); /* Postnet */ extern int planet_plot(struct zint_symbol *symbol, unsigned char source[]); /* PLANET */ extern int imail(struct zint_symbol *symbol, unsigned char source[]); /* Intelligent Mail (aka USPS OneCode) */ extern int royal_plot(struct zint_symbol *symbol, unsigned char source[]); /* RM4SCC */ extern int australia_post(struct zint_symbol *symbol, unsigned char source[]); /* Australia Post 4-state */ extern int code16k(struct zint_symbol *symbol, unsigned char source[]); /* Code 16k */ extern int pdf417enc(struct zint_symbol *symbol, unsigned char source[]); /* PDF417 */ extern int dmatrix(struct zint_symbol *symbol, unsigned char source[]); /* Data Matrix (IEC16022) */ extern int qr_code(struct zint_symbol *symbol, unsigned char source[]); /* QR Code */ extern int micro_pdf417(struct zint_symbol *symbol, unsigned char source[]); /* Micro PDF417 */ extern int maxicode(struct zint_symbol *symbol, unsigned char source[]); /* Maxicode */ extern int rss14(struct zint_symbol *symbol, unsigned char source[]); /* RSS-14 */ extern int rsslimited(struct zint_symbol *symbol, unsigned char source[]); /* RSS Limited */ extern int rssexpanded(struct zint_symbol *symbol, unsigned char source[]); /* RSS Expanded */ extern int composite(struct zint_symbol *symbol, unsigned char source[]); /* Composite Symbology */ extern int kix_code(struct zint_symbol *symbol, unsigned char source[]); /* TNT KIX Code */ extern int aztec(struct zint_symbol *symbol, unsigned char source[]); /* Aztec Code */ extern int code32(struct zint_symbol *symbol, unsigned char source[]); /* Italian Pharmacode */ extern int codablock(struct zint_symbol *symbol, unsigned char source[]); /* Codablock F */ extern int daft_code(struct zint_symbol *symbol, unsigned char source[]); /* DAFT Code */ extern int ean_14(struct zint_symbol *symbol, unsigned char source[]); /* EAN-14 */ extern int nve_18(struct zint_symbol *symbol, unsigned char source[]); /* NVE-18 */ extern int microqr(struct zint_symbol *symbol, unsigned char source[]); /* Micro QR Code */ extern int aztec_runes(struct zint_symbol *symbol, unsigned char source[]); /* Aztec Runes */ extern int korea_post(struct zint_symbol *symbol, unsigned char source[]); /* Korea Post */ #ifndef NO_PNG int png_handle(struct zint_symbol *symbol, int rotate_angle); #endif extern int ps_plot(struct zint_symbol *symbol); void error_tag(char error_string[], int error_number) { char error_buffer[100]; if(error_number != 0) { strcpy(error_buffer, error_string); if(error_number > 4) { strcpy(error_string, "error: "); } else { strcpy(error_string, "warning: "); } concat(error_string, error_buffer); } } int eci_process(struct zint_symbol *symbol, unsigned char source[], unsigned char preprocessed[]) { int j, i, next, input_length; input_length = ustrlen(source); /* Supports UTF-8 input by converting it to Latin-1 Extended ASCII */ /* Currently only supports Latin-1 characters but expect this to be expanded to the full ECI spectrum */ j = 0; i = 0; do { next = -1; if(source[i] < 128) { preprocessed[j] = source[i]; j++; next = i + 1; } else { if(source[i] == 0xC2) { preprocessed[j] = source[i + 1]; j++; next = i + 2; } if(source[i] == 0xC3) { preprocessed[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)"); return ERROR_INVALID_DATA; } i = next; } while(i < input_length); preprocessed[j] = '\0'; return 0; } int gs1_compliant(int symbology) { /* Returns 1 if symbology supports GS1 data */ int result = 0; switch(symbology) { case BARCODE_EAN128: case BARCODE_RSS_EXP: case BARCODE_RSS_EXPSTACK: case BARCODE_EANX_CC: case BARCODE_EAN128_CC: case BARCODE_RSS14_CC: case BARCODE_RSS_LTD_CC: case BARCODE_RSS_EXP_CC: case BARCODE_UPCA_CC: case BARCODE_UPCE_CC: case BARCODE_RSS14STACK_CC: case BARCODE_RSS14_OMNI_CC: case BARCODE_RSS_EXPSTACK_CC: case BARCODE_CODE16K: result = 1; break; } return result; } void ustrcpy(unsigned char dest[], unsigned char source[]) { int i; i = 0; do { dest[i] = source[i]; i++; } while (source[i - 1] != '\0'); } int ZBarcode_Encode(struct zint_symbol *symbol, unsigned char *source) { int error_number, error_buffer; error_number = 0; int input_length; input_length = ustrlen(source); unsigned char preprocessed[input_length]; if(ustrlen(source) == 0) { strcpy(symbol->errtxt, "No input data [Z00]"); error_tag(symbol->errtxt, ERROR_INVALID_DATA); return ERROR_INVALID_DATA; } /* First check the symbology field */ if(symbol->symbology < 1) { strcpy(symbol->errtxt, "Symbology out of range, using Code 128 [Z01]"); symbol->symbology = BARCODE_CODE128; error_number = WARN_INVALID_OPTION; } /* symbol->symbologys 1 to 86 are defined by tbarcode */ if(symbol->symbology == 5) { symbol->symbology = BARCODE_C25MATRIX; } if((symbol->symbology >= 10) && (symbol->symbology <= 12)) { symbol->symbology = BARCODE_EANX; } if((symbol->symbology == 14) || (symbol->symbology == 15)) { symbol->symbology = BARCODE_EANX; } if(symbol->symbology == 17) { symbol->symbology = BARCODE_UPCA; } if(symbol->symbology == 19) { strcpy(symbol->errtxt, "Codabar 18 not supported, using Codabar [Z02]"); symbol->symbology = BARCODE_CODABAR; error_number = WARN_INVALID_OPTION; } if(symbol->symbology == 24) { strcpy(symbol->errtxt, "Code 49 not supported, using Code 93 [Z03]"); symbol->symbology = BARCODE_CODE93; error_number = WARN_INVALID_OPTION; } if(symbol->symbology == 26) { symbol->symbology = BARCODE_UPCA; } if(symbol->symbology == 27) { strcpy(symbol->errtxt, "UPCD1 not supported [Z04]"); error_number = ERROR_INVALID_OPTION; } if(symbol->symbology == 33) { symbol->symbology = BARCODE_EAN128; } if((symbol->symbology == 35) || (symbol->symbology == 36)) { symbol->symbology = BARCODE_UPCA; } if((symbol->symbology == 38) || (symbol->symbology == 39)) { symbol->symbology = BARCODE_UPCE; } if((symbol->symbology >= 41) && (symbol->symbology <= 45)) { symbol->symbology = BARCODE_POSTNET; } if(symbol->symbology == 46) { symbol->symbology = BARCODE_PLESSEY; } if(symbol->symbology == 48) { symbol->symbology = BARCODE_NVE18; } if(symbol->symbology == 54) { strcpy(symbol->errtxt, "General Parcel Code not supported, using Code 128 [Z05]"); symbol->symbology = BARCODE_CODE128; error_number = WARN_INVALID_OPTION; } if((symbol->symbology == 59) || (symbol->symbology == 61)) { symbol->symbology = BARCODE_CODE128; } if(symbol->symbology == 62) { symbol->symbology = BARCODE_CODE93; } if((symbol->symbology == 64) || (symbol->symbology == 65)) { symbol->symbology = BARCODE_AUSPOST; } if(symbol->symbology == 73) { strcpy(symbol->errtxt, "Codablock E not supported [Z06]"); error_number = ERROR_INVALID_OPTION; } if(symbol->symbology == 76) { strcpy(symbol->errtxt, "Japanese Postal Code not supported [Z07]"); error_number = ERROR_INVALID_OPTION; } if(symbol->symbology == 78) { symbol->symbology = BARCODE_RSS14; } if(symbol->symbology == 83) { symbol->symbology = BARCODE_PLANET; } if(symbol->symbology == 88) { symbol->symbology = BARCODE_EAN128; } if(symbol->symbology == 91) { strcpy(symbol->errtxt, "Symbology out of range, using Code 128 [Z09]"); symbol->symbology = BARCODE_CODE128; error_number = WARN_INVALID_OPTION; } if((symbol->symbology >= 94) && (symbol->symbology <= 96)) { strcpy(symbol->errtxt, "Symbology out of range, using Code 128 [Z10]"); symbol->symbology = BARCODE_CODE128; error_number = WARN_INVALID_OPTION; } if((symbol->symbology >= 98) && (symbol->symbology <= 127)) { strcpy(symbol->errtxt, "Symbology out of range, using Code 128 [Z10]"); symbol->symbology = BARCODE_CODE128; error_number = WARN_INVALID_OPTION; } /* Everything from 128 up is Zint-specific */ if(symbol->symbology >= 140) { strcpy(symbol->errtxt, "Symbology out of range, using Code 128 [Z11]"); symbol->symbology = BARCODE_CODE128; error_number = WARN_INVALID_OPTION; } if(error_number > 4) { error_tag(symbol->errtxt, error_number); return error_number; } else { error_buffer = error_number; } if((symbol->input_mode < 0) || (symbol->input_mode > 3)) { symbol->input_mode = DATA_MODE; } switch(symbol->input_mode) { case DATA_MODE: ustrcpy(preprocessed, source); break; case UNICODE_MODE: error_number = eci_process(symbol, source, preprocessed); if(error_number != 0) { return error_number; } break; case GS1_MODE: if(gs1_compliant(symbol->symbology) == 1) { error_number = ugs1_verify(symbol, source, preprocessed); if(error_number != 0) { return error_number; } } else { strcpy(symbol->errtxt, "Selected symbology does not support GS1 mode"); return ERROR_INVALID_OPTION; } break; case KANJI_MODE: if(symbol->symbology != BARCODE_QRCODE) { strcpy(symbol->errtxt, "Selected symbology does not support Kanji mode"); return ERROR_INVALID_OPTION; } ustrcpy(preprocessed, source); break; } if(symbol->symbology == BARCODE_CODE16K) { symbol->whitespace_width = 16; symbol->border_width = 2; symbol->output_options = BARCODE_BIND; } if(symbol->symbology == BARCODE_ITF14) { symbol->whitespace_width = 20; symbol->border_width = 8; symbol->output_options = BARCODE_BOX; } switch(symbol->symbology) { case BARCODE_C25MATRIX: error_number = matrix_two_of_five(symbol, preprocessed); break; case BARCODE_C25IND: error_number = industrial_two_of_five(symbol, preprocessed); break; case BARCODE_C25INTER: error_number = interleaved_two_of_five(symbol, preprocessed); break; case BARCODE_C25IATA: error_number = iata_two_of_five(symbol, preprocessed); break; case BARCODE_C25LOGIC: error_number = logic_two_of_five(symbol, preprocessed); break; case BARCODE_DPLEIT: error_number = dpleit(symbol, preprocessed); break; case BARCODE_DPIDENT: error_number = dpident(symbol, preprocessed); break; case BARCODE_UPCA: error_number = eanx(symbol, preprocessed); break; case BARCODE_UPCE: error_number = eanx(symbol, preprocessed); break; case BARCODE_EANX: error_number = eanx(symbol, preprocessed); break; case BARCODE_EAN128: error_number = ean_128(symbol, preprocessed); break; case BARCODE_CODE39: error_number = c39(symbol, preprocessed); break; case BARCODE_PZN: error_number = pharmazentral(symbol, preprocessed); break; case BARCODE_EXCODE39: error_number = ec39(symbol, preprocessed); break; case BARCODE_CODABAR: error_number = codabar(symbol, preprocessed); break; case BARCODE_CODE93: error_number = c93(symbol, preprocessed); break; case BARCODE_LOGMARS: error_number = c39(symbol, preprocessed); break; case BARCODE_CODE128: error_number = code_128(symbol, preprocessed); break; case BARCODE_CODE128B: error_number = code_128(symbol, preprocessed); break; case BARCODE_NVE18: error_number = nve_18(symbol, preprocessed); break; case BARCODE_CODE11: error_number = code_11(symbol, preprocessed); break; case BARCODE_MSI_PLESSEY: error_number = msi_handle(symbol, preprocessed); break; case BARCODE_TELEPEN: error_number = telepen(symbol, preprocessed); break; case BARCODE_TELEPEN_NUM: error_number = telepen_num(symbol, preprocessed); break; case BARCODE_PHARMA: error_number = pharma_one(symbol, preprocessed); break; case BARCODE_PLESSEY: error_number = plessey(symbol, preprocessed); break; case BARCODE_ITF14: error_number = itf14(symbol, preprocessed); break; case BARCODE_FLAT: error_number = flattermarken(symbol, preprocessed); break; case BARCODE_FIM: error_number = fim(symbol, preprocessed); break; case BARCODE_POSTNET: error_number = post_plot(symbol, preprocessed); break; case BARCODE_PLANET: error_number = planet_plot(symbol, preprocessed); break; case BARCODE_RM4SCC: error_number = royal_plot(symbol, preprocessed); break; case BARCODE_AUSPOST: error_number = australia_post(symbol, preprocessed); break; case BARCODE_AUSREPLY: error_number = australia_post(symbol, preprocessed); break; case BARCODE_AUSROUTE: error_number = australia_post(symbol, preprocessed); break; case BARCODE_AUSREDIRECT: error_number = australia_post(symbol, preprocessed); break; case BARCODE_CODE16K: error_number = code16k(symbol, preprocessed); break; case BARCODE_PHARMA_TWO: error_number = pharma_two(symbol, preprocessed); break; case BARCODE_ONECODE: error_number = imail(symbol, preprocessed); break; case BARCODE_DATAMATRIX: error_number = dmatrix(symbol, preprocessed); break; case BARCODE_PDF417: error_number = pdf417enc(symbol, preprocessed); break; case BARCODE_PDF417TRUNC: error_number = pdf417enc(symbol, preprocessed); break; case BARCODE_QRCODE: error_number = qr_code(symbol, preprocessed); break; case BARCODE_MICROPDF417: error_number = micro_pdf417(symbol, preprocessed); break; case BARCODE_ISBNX: error_number = eanx(symbol, preprocessed); break; case BARCODE_MAXICODE: error_number = maxicode(symbol, preprocessed); break; case BARCODE_RSS14: error_number = rss14(symbol, preprocessed); break; case BARCODE_RSS14STACK: error_number = rss14(symbol, preprocessed); break; case BARCODE_RSS14STACK_OMNI: error_number = rss14(symbol, preprocessed); break; case BARCODE_RSS_LTD: error_number = rsslimited(symbol, preprocessed); break; case BARCODE_RSS_EXP: error_number = rssexpanded(symbol, preprocessed); break; case BARCODE_RSS_EXPSTACK: error_number = rssexpanded(symbol, preprocessed); break; case BARCODE_EANX_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_EAN128_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_RSS14_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_RSS_LTD_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_RSS_EXP_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_UPCA_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_UPCE_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_RSS14STACK_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_RSS14_OMNI_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_RSS_EXPSTACK_CC: error_number = composite(symbol, preprocessed); break; case BARCODE_AZTEC: error_number = aztec(symbol, preprocessed); break; case BARCODE_KIX: error_number = kix_code(symbol, preprocessed); break; case BARCODE_CODE32: error_number = code32(symbol, preprocessed); break; case BARCODE_CODABLOCKF: error_number = codablock(symbol, preprocessed); break; case BARCODE_DAFT: error_number = daft_code(symbol, preprocessed); break; case BARCODE_EAN14: error_number = ean_14(symbol, preprocessed); break; case BARCODE_MICROQR: error_number = microqr(symbol, preprocessed); break; case BARCODE_AZRUNE: error_number = aztec_runes(symbol, preprocessed); break; case BARCODE_KOREAPOST: error_number = korea_post(symbol, preprocessed); break; } if(error_number == 0) { error_number = error_buffer; } error_tag(symbol->errtxt, error_number); /*printf("%s\n",symbol->text);*/ return error_number; } int ZBarcode_Print(struct zint_symbol *symbol) { int error_number; char output[4]; if(strlen(symbol->outfile) > 3) { output[0] = symbol->outfile[strlen(symbol->outfile) - 3]; output[1] = symbol->outfile[strlen(symbol->outfile) - 2]; output[2] = symbol->outfile[strlen(symbol->outfile) - 1]; output[3] = '\0'; to_upper((unsigned char*)output); #ifndef NO_PNG if(!(strcmp(output, "PNG"))) { error_number = png_handle(symbol, 0); } else { #endif if(!(strcmp(output, "EPS"))) { error_number = ps_plot(symbol); } else { strcpy(symbol->errtxt, "Unknown output format [Z20]"); error_tag(symbol->errtxt, ERROR_INVALID_OPTION); return ERROR_INVALID_OPTION; } #ifndef NO_PNG } #endif } else { strcpy(symbol->errtxt, "Unknown output format [Z21]"); error_tag(symbol->errtxt, ERROR_INVALID_OPTION); return ERROR_INVALID_OPTION; } error_tag(symbol->errtxt, error_number); return error_number; } int ZBarcode_Print_Rotated(struct zint_symbol *symbol, int rotate_angle) { int error_number; char output[4]; if(strlen(symbol->outfile) > 3) { output[0] = symbol->outfile[strlen(symbol->outfile) - 3]; output[1] = symbol->outfile[strlen(symbol->outfile) - 2]; output[2] = symbol->outfile[strlen(symbol->outfile) - 1]; output[3] = '\0'; to_upper((unsigned char*)output); #ifndef NO_PNG if(!(strcmp(output, "PNG"))) { error_number = png_handle(symbol, rotate_angle); } else { #endif if(!(strcmp(output, "EPS"))) { error_number = ps_plot(symbol); } else { strcpy(symbol->errtxt, "Unknown output format [Z23]"); error_tag(symbol->errtxt, ERROR_INVALID_OPTION); return ERROR_INVALID_OPTION; } #ifndef NO_PNG } #endif } else { strcpy(symbol->errtxt, "Unknown output format [Z24]"); error_tag(symbol->errtxt, ERROR_INVALID_OPTION); return ERROR_INVALID_OPTION; } error_tag(symbol->errtxt, error_number); return error_number; } int ZBarcode_Encode_and_Print(struct zint_symbol *symbol, unsigned char *input) { int error_number; error_number = 0; error_number = ZBarcode_Encode(symbol, input); if(error_number != 0) { return error_number; } error_number = ZBarcode_Print(symbol); return error_number; } int ZBarcode_Encode_and_Print_Rotated(struct zint_symbol *symbol, unsigned char *input, int rotate_angle) { int error_number; error_number = 0; error_number = ZBarcode_Encode(symbol, input); if(error_number != 0) { return error_number; } error_number = ZBarcode_Print_Rotated(symbol, rotate_angle); return error_number; }