Mirrors/zint
1
0
Fork 0
mirror of https://git.code.sf.net/p/zint/code synced 2025-12-20 03:17:12 +00:00
Code Issues Projects Releases Wiki Activity

ERROR_* renamed to ZERROR*

Browse Source
This commit is contained in:
tgotic
2011-01-17 19:37:14 +01:00
parent cdf27f806f
commit 4e06a9ee38
1 changed files with 25 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
backend/dmatrix.c
View File

@@ -163,20 +163,32 @@ static void ecc200placement(int *array, int NR, int NC)
}
// calculate and append ecc code, and if necessary interleave
static void ecc200(unsigned char *binary, int bytes, int datablock, int rsblock)
static void ecc200(unsigned char *binary, int bytes, int datablock, int rsblock, int skew)
{
int blocks = (bytes + 2) / datablock, b;
int n, p;
rs_init_gf(0x12d);
rs_init_code(rsblock, 1);
for (b = 0; b < blocks; b++) {
unsigned char buf[256], ecc[256];
int n, p = 0;
p = 0;
for (n = b; n < bytes; n += blocks)
buf[p++] = binary[n];
rs_encode(p, buf, ecc);
p = rsblock - 1; // comes back reversed
for (n = b; n < rsblock * blocks; n += blocks)
binary[bytes + n] = ecc[p--];
for (n = b; n < rsblock * blocks; n += blocks) {
if (skew) {
/* Rotate ecc data to make 144x144 size symbols acceptable */
/* See http://groups.google.com/group/postscriptbarcode/msg/5ae8fda7757477da */
if(b < 8) {
binary[bytes + n + 2] = ecc[p--];
} else {
binary[bytes + n - 8] = ecc[p--];
}
} else {
binary[bytes + n] = ecc[p--];
}
}
}
rs_free();
}
@@ -361,7 +373,7 @@ int dm200encode(struct zint_symbol *symbol, unsigned char source[], unsigned cha
if(symbol->output_options & READER_INIT) {
if(gs1) {
strcpy(symbol->errtxt, "Cannot encode in GS1 mode and Reader Initialisation at the same time");
return ERROR_INVALID_OPTION;
return ZERROR_INVALID_OPTION;
} else {
target[tp] = 234; tp++; /* Reader Programming */
concat(binary, " ");
@@ -763,8 +775,8 @@ void add_tail(unsigned char target[], int tp, int tail_length, int last_mode)
int data_matrix_200(struct zint_symbol *symbol, unsigned char source[], int length)
{
int inputlen, i;
unsigned char binary[2000];
int inputlen, i, skew = 0;
unsigned char binary[2200];
int binlen;
int symbolsize, optionsize, calcsize;
int taillength, error_number = 0;
@@ -777,7 +789,7 @@ int data_matrix_200(struct zint_symbol *symbol, unsigned char source[], int leng
if(binlen == 0) {
strcpy(symbol->errtxt, "Data too long to fit in symbol");
return ERROR_TOO_LONG;
return ZERROR_TOO_LONG;
}
if((symbol->option_2 >= 1) && (symbol->option_2 <= 30)) {
@@ -788,7 +800,7 @@ int data_matrix_200(struct zint_symbol *symbol, unsigned char source[], int leng
calcsize = 29;
for(i = 29; i > -1; i--) {
if(matrixbytes[i] > binlen) {
if(matrixbytes[i] >= binlen) {
calcsize = i;
}
}
@@ -811,7 +823,7 @@ int data_matrix_200(struct zint_symbol *symbol, unsigned char source[], int leng
symbolsize = calcsize;
if(optionsize != -1) {
/* flag an error */
error_number = WARN_INVALID_OPTION;
error_number = ZWARN_INVALID_OPTION;
strcpy(symbol->errtxt, "Data does not fit in selected symbol size");
}
}
@@ -831,7 +843,8 @@ int data_matrix_200(struct zint_symbol *symbol, unsigned char source[], int leng
}
// ecc code
ecc200(binary, bytes, datablock, rsblock);
if(symbolsize == 29) { skew = 1; }
ecc200(binary, bytes, datablock, rsblock, skew);
{ // placement
int x, y, NC, NR, *places;
NC = W - 2 * (W / FW);
@@ -890,7 +903,7 @@ int dmatrix(struct zint_symbol *symbol, unsigned char source[], int length)
} else {
/* ECC 000 - 140 */
strcpy(symbol->errtxt, "Older Data Matrix standards are no longer supported");
error_number = ERROR_INVALID_OPTION;
error_number = ZERROR_INVALID_OPTION;
}
return error_number;