mirror of https://github.com/status-im/qzxing.git
progressing port of QR Encoder
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//#ifndef ENCODER_H
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//#define ENCODER_H
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////package com.google.zxing.qrcode.encoder;
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#ifndef ENCODER_H
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#define ENCODER_H
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////import com.google.zxing.EncodeHintType;
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////import com.google.zxing.WriterException;
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////import com.google.zxing.common.BitArray;
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////import com.google.zxing.common.CharacterSetECI;
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////import com.google.zxing.common.reedsolomon.GenericGF;
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////import com.google.zxing.common.reedsolomon.ReedSolomonEncoder;
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////import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
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////import com.google.zxing.qrcode.decoder.Mode;
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////import com.google.zxing.qrcode.decoder.Version;
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#include <vector>
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#include <zxing/common/CharacterSetECI.h>
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#include <zxing/qrcode/ErrorCorrectionLevel.h>
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#include <zxing/qrcode/encoder/QRCode.h>
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#include <zxing/EncodeHint.h>
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////import java.io.UnsupportedEncodingException;
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////import java.util.ArrayList;
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////import java.util.Collection;
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////import java.util.Map;
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#include <vector>
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#include <QString>
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//#include <string>
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//#include <vector>
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//#include <zxing/common/CharacterSetECI.h>
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//#include <zxing/qrcode/ErrorCorrectionLevel.h>
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//#include <zxing/qrcode/encoder/QRCode.h>
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namespace zxing {
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namespace qrcode {
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//namespace zxing {
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//namespace qrcode {
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class Encoder {
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//class Encoder {
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private:
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static const int ALPHANUMERIC_TABLE_SIZE;
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static const int ALPHANUMERIC_TABLE[];
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static const QString DEFAULT_BYTE_MODE_ENCODING;
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//private:
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// static const int ALPHANUMERIC_TABLE[];
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// static const std::string DEFAULT_BYTE_MODE_ENCODING;
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/**
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* The mask penalty calculation is complicated. See Table 21 of JISX0510:2004 (p.45) for details.
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* Basically it applies four rules and summate all penalties.
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*/
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static int calculateMaskPenalty(const ByteMatrix& matrix);
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// Encoder() {}
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/**
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* Encode "bytes" with the error correction level "ecLevel". The encoding mode will be chosen
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* internally by chooseMode(). On success, store the result in "qrCode".
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*
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* We recommend you to use QRCode.EC_LEVEL_L (the lowest level) for
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* "getECLevel" since our primary use is to show QR code on desktop screens. We don't need very
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* strong error correction for this purpose.
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*
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* Note that there is no way to encode bytes in MODE_KANJI. We might want to add EncodeWithMode()
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* with which clients can specify the encoding mode. For now, we don't need the functionality.
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*/
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public:
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static QRCode* encode(const QString& content, const ErrorCorrectionLevel* ecLevel);
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// /**
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// * The mask penalty calculation is complicated. See Table 21 of JISX0510:2004 (p.45) for details.
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// * Basically it applies four rules and summate all penalties.
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// */
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// static int calculateMaskPenalty(ByteMatrix matrix);
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static QRCode* encode(const QString& content, const ErrorCorrectionLevel* ecLevel, const EncodeHint* hints);
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// /**
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// * Encode "bytes" with the error correction level "ecLevel". The encoding mode will be chosen
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// * internally by chooseMode(). On success, store the result in "qrCode".
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// *
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// * We recommend you to use QRCode.EC_LEVEL_L (the lowest level) for
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// * "getECLevel" since our primary use is to show QR code on desktop screens. We don't need very
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// * strong error correction for this purpose.
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// *
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// * Note that there is no way to encode bytes in MODE_KANJI. We might want to add EncodeWithMode()
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// * with which clients can specify the encoding mode. For now, we don't need the functionality.
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// */
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//public:
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// static QRCode encode(std::string content, ErrorCorrectionLevel ecLevel);
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/**
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* @return the code point of the table used in alphanumeric mode or
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* -1 if there is no corresponding code in the table.
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*/
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static int getAlphanumericCode(int code);
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// static QRCode encode(String content, ErrorCorrectionLevel ecLevel/*,
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// Map<EncodeHintType,?> hints*/);
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static Mode* chooseMode(const QString& content);
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// /**
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// * @return the code point of the table used in alphanumeric mode or
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// * -1 if there is no corresponding code in the table.
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// */
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// static int getAlphanumericCode(int code);
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/**
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* Choose the best mode by examining the content. Note that 'encoding' is used as a hint;
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* if it is Shift_JIS, and the input is only double-byte Kanji, then we return {@link Mode#KANJI}.
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*/
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private:
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static Mode* chooseMode(const QString& content, const QString& encoding);
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// static Mode chooseMode(String content);
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//static bool isOnlyDoubleByteKanji(const QString& content);
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// /**
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// * Choose the best mode by examining the content. Note that 'encoding' is used as a hint;
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// * if it is Shift_JIS, and the input is only double-byte Kanji, then we return {@link Mode#KANJI}.
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// */
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//private:
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// static Mode chooseMode(std::string content, std::string encoding);
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static int chooseMaskPattern(BitArray bits,
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ErrorCorrectionLevel ecLevel,
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Version version,
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ByteMatrix matrix);
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// static boolean isOnlyDoubleByteKanji(std::string content);
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static Version chooseVersion(int numInputBits, ErrorCorrectionLevel &ecLevel) ;
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// static int chooseMaskPattern(BitArray bits,
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// ErrorCorrectionLevel ecLevel,
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// Version version,
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// ByteMatrix matrix);
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/**
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* Terminate bits as described in 8.4.8 and 8.4.9 of JISX0510:2004 (p.24).
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*/
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protected:
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static void terminateBits(int numDataBytes, BitArray& bits);
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// static Version chooseVersion(int numInputBits, ErrorCorrectionLevel ecLevel) ;
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/**
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* Get number of data bytes and number of error correction bytes for block id "blockID". Store
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* the result in "numDataBytesInBlock", and "numECBytesInBlock". See table 12 in 8.5.1 of
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* JISX0510:2004 (p.30)
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*/
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static void getNumDataBytesAndNumECBytesForBlockID(int numTotalBytes,
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int numDataBytes,
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int numRSBlocks,
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int blockID,
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std::vector<int>& numDataBytesInBlock,
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std::vector<int>& numECBytesInBlock);
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// /**
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// * Terminate bits as described in 8.4.8 and 8.4.9 of JISX0510:2004 (p.24).
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// */
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//protected:
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// static void terminateBits(int numDataBytes, BitArray bits);
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/**
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* Interleave "bits" with corresponding error correction bytes. On success, store the result in
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* "result". The interleave rule is complicated. See 8.6 of JISX0510:2004 (p.37) for details.
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*/
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static BitArray* interleaveWithECBytes(const BitArray& bits,
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int numTotalBytes,
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int numDataBytes,
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int numRSBlocks);
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// /**
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// * Get number of data bytes and number of error correction bytes for block id "blockID". Store
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// * the result in "numDataBytesInBlock", and "numECBytesInBlock". See table 12 in 8.5.1 of
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// * JISX0510:2004 (p.30)
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// */
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// static void getNumDataBytesAndNumECBytesForBlockID(int numTotalBytes,
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// int numDataBytes,
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// int numRSBlocks,
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// int blockID,
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// int numDataBytesInBlock[],
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// int numECBytesInBlock[]);
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static ArrayRef<char> generateECBytes(const std::vector<char>& dataBytes, int numEcBytesInBlock);
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// /**
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// * Interleave "bits" with corresponding error correction bytes. On success, store the result in
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// * "result". The interleave rule is complicated. See 8.6 of JISX0510:2004 (p.37) for details.
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// */
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// static BitArray interleaveWithECBytes(BitArray bits,
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// int numTotalBytes,
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// int numDataBytes,
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// int numRSBlocks);
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// static std::vector<char> generateECBytes(const std::vector<char>& dataBytes[], int numEcBytesInBlock);
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// /**
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// * Append mode info. On success, store the result in "bits".
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// */
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// static void appendModeInfo(Mode mode, BitArray bits);
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/**
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* Append mode info. On success, store the result in "bits".
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*/
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static void appendModeInfo(const Mode& mode, BitArray& bits);
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// /**
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// * Append length info. On success, store the result in "bits".
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// */
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// static void appendLengthInfo(int numLetters, Version version, Mode mode, BitArray bits);
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/**
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* Append length info. On success, store the result in "bits".
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*/
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static void appendLengthInfo(int numLetters, const Version& version, const Mode& mode, BitArray& bits);
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// /**
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// * Append "bytes" in "mode" mode (encoding) into "bits". On success, store the result in "bits".
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// */
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// static void appendBytes(std::string content,
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// Mode mode,
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// BitArray bits,
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// std::string encoding);
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/**
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* Append "bytes" in "mode" mode (encoding) into "bits". On success, store the result in "bits".
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*/
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static void appendBytes(const QString& content,
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const Mode& mode,
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BitArray& bits,
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const QString& encoding);
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// static void appendNumericBytes( const std::vector<char>& content, BitArray bits);
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static void appendNumericBytes( const std::vector<char>& content, BitArray& bits);
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// static void appendAlphanumericBytes(const std::vector<char>& content, BitArray bits);
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static void appendAlphanumericBytes(const std::vector<char>& content, BitArray& bits);
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// static void append8BitBytes(std::string content, BitArray bits, std::string encoding);
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static void append8BitBytes(const QString& content, BitArray& bits, const QString& encoding);
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// static void appendKanjiBytes(std::string content, BitArray bits);
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static void appendKanjiBytes(const QString& content, BitArray& bits);
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//private:
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// static void appendECI(zxing::common::CharacterSetECI eci, BitArray bits);
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private:
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static void appendECI(const zxing::common::CharacterSetECI& eci, BitArray& bits);
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//}
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};
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//}
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//}
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}
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}
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//#endif // ENCODER_H
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#endif // ENCODER_H
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