UPCEANReader.h Example File
appdemos/qtws/QZXing/zxing/zxing/oned/UPCEANReader.h
#ifndef __UPC_EAN_READER_H__
#define __UPC_EAN_READER_H__
#include <zxing/oned/OneDReader.h>
#include <zxing/common/BitArray.h>
#include <zxing/Result.h>
namespace zxing {
namespace oned {
class UPCEANReader : public OneDReader {
private:
std::string decodeRowStringBuffer;
static const int MAX_AVG_VARIANCE;
static const int MAX_INDIVIDUAL_VARIANCE;
static Range findStartGuardPattern(Ref<BitArray> row);
virtual Range decodeEnd(Ref<BitArray> row, int endStart);
static bool checkStandardUPCEANChecksum(Ref<String> const& s);
static Range findGuardPattern(Ref<BitArray> row,
int rowOffset,
bool whiteFirst,
std::vector<int> const& pattern,
std::vector<int>& counters);
protected:
static const std::vector<int> START_END_PATTERN;
static const std::vector<int> MIDDLE_PATTERN;
static const std::vector<int const*> L_PATTERNS;
static const std::vector<int const*> L_AND_G_PATTERNS;
static Range findGuardPattern(Ref<BitArray> row,
int rowOffset,
bool whiteFirst,
std::vector<int> const& pattern);
public:
UPCEANReader();
virtual int decodeMiddle(Ref<BitArray> row,
Range const& startRange,
std::string& resultString) = 0;
virtual Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row, DecodeHints hints);
virtual Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row, Range const& range);
static int decodeDigit(Ref<BitArray> row,
std::vector<int>& counters,
int rowOffset,
std::vector<int const*> const& patterns);
virtual bool checkChecksum(Ref<String> const& s);
virtual BarcodeFormat getBarcodeFormat() = 0;
virtual ~UPCEANReader();
friend class MultiFormatUPCEANReader;
};
}
}
#endif