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Codablock F:

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- Fixed crash for negative planed column count.
- Use a square-symbol if no dimensions given, starting at 9 planed characters
This commit is contained in:
Harald Oehlmann 2016-09-20 23:19:31 +02:00
parent 9eff5cc63a
commit a752f2583f
1 changed files with 15 additions and 14 deletions
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29
backend/codablock.c
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@ -467,7 +467,7 @@ int Rows2Columns(CharacterSetTable *T, unsigned char *data, int dataLength,
if (rowsCur<=rowsRequested) {
/* Less or exactly line number found */
/* check if column count below already tested or Count = 1*/
int fInTestList = (rowsCur == 1);
int fInTestList = (rowsCur == 1 || testColumns == 1);
int posCur;
for (posCur = 0; posCur < testListSize && ! fInTestList; posCur++) {
if ( pTestList[posCur] == testColumns-1 )
@ -479,7 +479,7 @@ int Rows2Columns(CharacterSetTable *T, unsigned char *data, int dataLength,
* if rowsCur<rowsRequested and fillings>0
* -> New search for rowsRequested:=rowsCur
*/
if (rowsCur==rowsRequested||fillings==0) {
if ( rowsCur == rowsRequested || fillings == 0 || testColumns == 1 ) {
/* Exit with actual */
*pFillings=fillings;
*pRows=rowsCur;
@ -650,8 +650,6 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length) {
strcpy(symbol->errtxt, "Columns parameter not in 0,6..66");
return ZINT_ERROR_INVALID_OPTION;
}
/* There are 5 Codewords for Organisation Start(2),row(1),CheckSum,Stop */
useColumns = columns - 5;
/* GS1 not implemented */
if (symbol->input_mode == GS1_MODE) {
strcpy(symbol->errtxt, "GS1 mode not supported");
@ -692,19 +690,22 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length) {
/* Find final row and column count */
/* nor row nor column count given */
if ( rows <= 0 && useColumns <= 0 ) {
if ( rows <= 0 && columns <= 5 ) {
/* Use Code128 until reasonable size */
if (dataLength < 64) {
if (dataLength < 9) {
rows = 1;
} else {
/* use 3/1 aspect/ratio Codablock */
rows = ((int)floor(sqrt(1.0*dataLength)))/3;
if (rows < 1)
rows = 1;
else if (rows > 44)
rows = 44;
/* use 1/1 aspect/ratio Codablock */
columns = ((int)floor(sqrt(1.0*dataLength))+5);
if (columns > 64)
columns = 64;
#ifdef _DEBUG
printf("Auto column count for %d characters:%d\n",dataLength,columns);
#endif
}
}
/* There are 5 Codewords for Organisation Start(2),row(1),CheckSum,Stop */
useColumns = columns - 5;
if ( rows > 0 ) {
/* row count given */
Error=Rows2Columns(T,data,dataLength,&rows,&useColumns,pSet,&fillings);
@ -879,7 +880,7 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length) {
}
if ((pSet[charCur]&CodeA)!=0)
{
/* >> Shift it and put out the shiftet character */
/* >> Shift it and put out the shifted character */
ASCIIZ128(&pOutPos,characterSetCur,aShift,'\0');
emptyColumns-=2;
characterSetCur=(characterSetCur==CodeB)?CodeA:CodeB;
@ -967,7 +968,7 @@ int codablock(struct zint_symbol *symbol, unsigned char source[], int length) {
{
for (DPos2=0 ; DPos2 < columns ; DPos2++)
{
printf("% 3i ",(int)(pOutput[DPos*columns+DPos2]));
printf("%3d ",(int)(pOutput[DPos*columns+DPos2]));
}
printf("\n");
}