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Converted zint_symbol structure usage to a more compressed format

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This commit is contained in:
hooper114 2009-05-31 20:33:54 +00:00
parent 90d301a6dc
commit cb0e4e27e8
29 changed files with 447 additions and 341 deletions
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63
backend/common.c
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@ -120,6 +120,67 @@ void lookup(char set_string[], char *table[], char data, char dest[])
if (data == set_string[i]) { concat(dest, table[i]); } }
}
int module_is_set(struct zint_symbol *symbol, int y_coord, int x_coord)
{
int x_char, x_sub, result;
x_char = x_coord / 7;
x_sub = x_coord % 7;
result = 0;
switch(x_sub) {
case 0: if((symbol->encoded_data[y_coord][x_char] & 0x01) != 0) { result = 1; } break;
case 1: if((symbol->encoded_data[y_coord][x_char] & 0x02) != 0) { result = 1; } break;
case 2: if((symbol->encoded_data[y_coord][x_char] & 0x04) != 0) { result = 1; } break;
case 3: if((symbol->encoded_data[y_coord][x_char] & 0x08) != 0) { result = 1; } break;
case 4: if((symbol->encoded_data[y_coord][x_char] & 0x10) != 0) { result = 1; } break;
case 5: if((symbol->encoded_data[y_coord][x_char] & 0x20) != 0) { result = 1; } break;
case 6: if((symbol->encoded_data[y_coord][x_char] & 0x40) != 0) { result = 1; } break;
}
return result;
}
void set_module(struct zint_symbol *symbol, int y_coord, int x_coord)
{
if(module_is_set(symbol, y_coord, x_coord)) { return; }
int x_char, x_sub;
x_char = x_coord / 7;
x_sub = x_coord % 7;
switch(x_sub) {
case 0: symbol->encoded_data[y_coord][x_char] += 0x01; break;
case 1: symbol->encoded_data[y_coord][x_char] += 0x02; break;
case 2: symbol->encoded_data[y_coord][x_char] += 0x04; break;
case 3: symbol->encoded_data[y_coord][x_char] += 0x08; break;
case 4: symbol->encoded_data[y_coord][x_char] += 0x10; break;
case 5: symbol->encoded_data[y_coord][x_char] += 0x20; break;
case 6: symbol->encoded_data[y_coord][x_char] += 0x40; break;
} /* The last binary digit is reserved for colour barcodes */
}
void unset_module(struct zint_symbol *symbol, int y_coord, int x_coord)
{
if(!(module_is_set(symbol, y_coord, x_coord))) { return; }
int x_char, x_sub;
x_char = x_coord / 7;
x_sub = x_coord % 7;
switch(x_sub) {
case 0: symbol->encoded_data[y_coord][x_char] -= 0x01; break;
case 1: symbol->encoded_data[y_coord][x_char] -= 0x02; break;
case 2: symbol->encoded_data[y_coord][x_char] -= 0x04; break;
case 3: symbol->encoded_data[y_coord][x_char] -= 0x08; break;
case 4: symbol->encoded_data[y_coord][x_char] -= 0x10; break;
case 5: symbol->encoded_data[y_coord][x_char] -= 0x20; break;
case 6: symbol->encoded_data[y_coord][x_char] -= 0x40; break;
} /* The last binary digit is reserved for colour barcodes */
}
void expand(struct zint_symbol *symbol, char data[])
{ /* Expands from a width pattern to a bit pattern */
@ -131,7 +192,7 @@ void expand(struct zint_symbol *symbol, char data[])
for(reader = 0; reader < strlen(data); reader++) {
for(i = 0; i < ctoi(data[reader]); i++) {
symbol->encoded_data[symbol->rows][writer] = latch;
if(latch == '1') { set_module(symbol, symbol->rows, writer); }
writer++;
}
if(latch == '1') {