mirrors/zint
2
0
Fork 0
mirror of https://github.com/zint/zint synced 2024-11-16 20:57:25 +13:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reduce size of Code 49 bit pattern table (no change of functionality)

Browse Source
This commit is contained in:
Robin Stuart 2017-06-10 10:45:42 +01:00
parent 17be0440cc
commit c0e95684a9
2 changed files with 498 additions and 1119 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
backend/code49.c
View File

@ -47,7 +47,7 @@ int code_49(struct zint_symbol *symbol, unsigned char source[], const int length
int c_grid[8][8]; /* Refers to table 3 */ int c_grid[8][8]; /* Refers to table 3 */
int w_grid[8][4]; /* Refets to table 2 */ int w_grid[8][4]; /* Refets to table 2 */
int pad_count = 0; int pad_count = 0;
char pattern[40]; char pattern[80];
int gs1; int gs1;
size_t h; size_t h;
@ -306,28 +306,35 @@ int code_49(struct zint_symbol *symbol, unsigned char source[], const int length
} }
for (i = 0; i < rows; i++) { for (i = 0; i < rows; i++) {
strcpy(pattern, "11"); /* Start character */ strcpy(pattern, "10"); /* Start character */
for (j = 0; j < 4; j++) { for (j = 0; j < 4; j++) {
if (i != (rows - 1)) { if (i != (rows - 1)) {
if (c49_table4[i][j] == 'E') { if (c49_table4[i][j] == 'E') {
/* Even Parity */ /* Even Parity */
strcat(pattern, c49_appxe_even[w_grid[i][j]]); bin_append(c49_even_bitpattern[w_grid[i][j]], 16, pattern);
} else { } else {
/* Odd Parity */ /* Odd Parity */
strcat(pattern, c49_appxe_odd[w_grid[i][j]]); bin_append(c49_odd_bitpattern[w_grid[i][j]], 16, pattern);
} }
} else { } else {
/* Last row uses all even parity */ /* Last row uses all even parity */
strcat(pattern, c49_appxe_even[w_grid[i][j]]); bin_append(c49_even_bitpattern[w_grid[i][j]], 16, pattern);
} }
} }
strcat(pattern, "4"); /* Stop character */ strcat(pattern, "1111"); /* Stop character */
/* Expand into symbol */ /* Expand into symbol */
symbol->row_height[i] = 10; symbol->row_height[i] = 10;
expand(symbol, pattern);
for (j = 0; j < strlen(pattern); j++) {
if (pattern[j] == '1') {
set_module(symbol, i, j);
}
}
} }
symbol->rows = rows;
symbol->width = strlen(pattern);
symbol->whitespace_width = 10; symbol->whitespace_width = 10;
if (!(symbol->output_options & BARCODE_BIND)) { if (!(symbol->output_options & BARCODE_BIND)) {
symbol->output_options += BARCODE_BIND; symbol->output_options += BARCODE_BIND;

1596
backend/code49.h
View File

File diff suppressed because it is too large Load Diff