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Add Reader Initialisation mode

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This commit is contained in:
hooper114 2009-12-04 23:18:48 +00:00
parent 1ac256c223
commit e3e9c67f93
5 changed files with 50 additions and 7 deletions
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17
backend/blockf.c
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@ -93,7 +93,7 @@ int character_subset_select(unsigned char source[], int input_position) {
return MODEB;
}
int data_encode_blockf(unsigned char source[], int input_length, int subset_selector[], int blockmatrix[][62], int *columns_needed, int *rows_needed, int *final_mode, int gs1)
int data_encode_blockf(unsigned char source[], int input_length, int subset_selector[], int blockmatrix[][62], int *columns_needed, int *rows_needed, int *final_mode, int gs1, int reader)
{
int i, j, input_position, current_mode, current_row, error_number;
int column_position, c, done, exit_status;
@ -121,6 +121,12 @@ int data_encode_blockf(unsigned char source[], int input_length, int subset_sel
column_position++;
c--;
}
if((current_row == 0) && reader) {
/* Reader Initialise (4.4.7.3) */
blockmatrix[current_row][column_position] = 96; /* FNC3 */
column_position++;
c--;
}
}
if(gs1 && (source[input_position] == '[')) {
@ -578,7 +584,7 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length)
int subset_selector[44], row_indicator[44], row_check[44];
long int k1_sum, k2_sum;
int k1_check, k2_check;
int gs1;
int gs1, reader;
error_number = 0;
input_length = length;
@ -590,6 +596,11 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length)
}
if(symbol->input_mode == GS1_MODE) { gs1 = 1; } else { gs1 = 0; }
if(symbol->output_options & READER_INIT) { reader = 1; } else { reader = 0; }
if((gs1 == 1) && (reader == 1)) {
strcpy(symbol->errtxt, "Cannot encode GS1 data and Reader Initialise in the same symbol");
return ERROR_INVALID_OPTION;
}
/* Make a guess at how many characters will be needed to encode the data */
estimate_codelength = 0.0;
@ -622,7 +633,7 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length)
}
/* Encode the data */
error_number = data_encode_blockf(source, input_length, subset_selector, blockmatrix, &columns_needed, &rows_needed, &final_mode, gs1);
error_number = data_encode_blockf(source, input_length, subset_selector, blockmatrix, &columns_needed, &rows_needed, &final_mode, gs1, reader);
if(error_number > 0) {
if(error_number == ERROR_TOO_LONG) {
strcpy(symbol->errtxt, "Input data too long");