bool frame::checksumIsValid() const { //mengembalikan true bila checksum benar
assert(formatIsValid());
unsigned int STXpos=5;
unsigned int ETXpos;
for (ETXpos=STXpos; bytes[ETXpos]!=ETX; ETXpos++) {}
return checkChecksum(getChecksum(),bytes.substr(0,ETXpos+1));
}
void KCartridge::load(const std::string & filename)
{
loadFile(filename);
if(size() < sizeof(header_t))
{
if(size() > 0)
{
delete[] rom;
rom = nullptr;
rom_size = 0;
}
throw std::runtime_error("Cart: File corrupted.");
}
/* Checke header-struct packing... */
assert(header().checksum == (*this)[0x014D]);
lg::info(TAG, "Loaded Cartridge %s\n", std::string(header().title, 0x0F).c_str());
lg::info(TAG, "Loaded Cartridge size: %u\n", size());
lg::debug(TAG, "Cartridge Type: %u\n", header().cart_type);
/* Überprüfe die header-checksum */
checkChecksum();
}
Ref<Result> UPCEANReader::decodeRow(int rowNumber, Ref<BitArray> row, int startGuardRange[]){
std::string tmpResultString;
std::string& tmpResultStringRef = tmpResultString;
int endStart;
try {
endStart = decodeMiddle(row, startGuardRange, 2 /*reference findGuardPattern*/ , tmpResultStringRef);
} catch (ReaderException re) {
if (startGuardRange!=NULL) {
delete [] startGuardRange;
startGuardRange = NULL;
}
throw re;
}
int* endRange = decodeEnd(row, endStart);
#pragma mark QuietZone needs some change
// Make sure there is a quiet zone at least as big as the end pattern after the barcode. The
// spec might want more whitespace, but in practice this is the maximum we can count on.
// int end = endRange[1];
// int quietEnd = end + (end - endRange[0]);
// if (quietEnd >= row->getSize() || !row->isRange(end, quietEnd, false)) {
// throw ReaderException("Quiet zone asserrt fail.");
// }
if (!checkChecksum(tmpResultString)) {
if (startGuardRange!=NULL) {
delete [] startGuardRange;
startGuardRange = NULL;
}
if (endRange!=NULL) {
delete [] endRange;
endRange = NULL;
}
throw ReaderException("Checksum fail.");
}
Ref<String> resultString(new String(tmpResultString));
float left = (float) (startGuardRange[1] + startGuardRange[0]) / 2.0f;
float right = (float) (endRange[1] + endRange[0]) / 2.0f;
std::vector< Ref<ResultPoint> > resultPoints(2);
Ref<OneDResultPoint> resultPoint1(new OneDResultPoint(left, (float) rowNumber));
Ref<OneDResultPoint> resultPoint2(new OneDResultPoint(right, (float) rowNumber));
resultPoints[0] = resultPoint1;
resultPoints[1] = resultPoint2;
ArrayRef<unsigned char> resultBytes(1);
if (startGuardRange!=NULL) {
delete [] startGuardRange;
startGuardRange = NULL;
}
if (endRange!=NULL) {
delete [] endRange;
endRange = NULL;
}
Ref<Result> res(new Result(resultString, resultBytes, resultPoints, getBarcodeFormat()));
return res;
}
