#include <QrCode.hpp>

Public Types
enum	Ecc { Ecc::LOW = 0, Ecc::MEDIUM, Ecc::QUARTILE, Ecc::HIGH }

Public Member Functions
	QrCode (int ver, Ecc ecl, const std::vector< std::uint8_t > &dataCodewords, int msk)

int	getVersion () const

int	getSize () const

Ecc	getErrorCorrectionLevel () const

int	getMask () const

bool	getModule (int x, int y) const

std::string	toSvgString (int border) const

Static Public Member Functions
static QrCode	encodeText (const char *text, Ecc ecl)

static QrCode	encodeBinary (const std::vector< std::uint8_t > &data, Ecc ecl)

static QrCode	encodeSegments (const std::vector< QrSegment > &segs, Ecc ecl, int minVersion=1, int maxVersion=40, int mask=-1, bool boostEcl=true)

Static Public Attributes
static constexpr int	MIN_VERSION = 1

static constexpr int	MAX_VERSION = 40

Private Member Functions
void	drawFunctionPatterns ()

void	drawFormatBits (int msk)

void	drawVersion ()

void	drawFinderPattern (int x, int y)

void	drawAlignmentPattern (int x, int y)

void	setFunctionModule (int x, int y, bool isBlack)

bool	module (int x, int y) const

std::vector< std::uint8_t >	addEccAndInterleave (const std::vector< std::uint8_t > &data) const

void	drawCodewords (const std::vector< std::uint8_t > &data)

void	applyMask (int msk)

long	getPenaltyScore () const

std::vector< int >	getAlignmentPatternPositions () const

int	finderPenaltyCountPatterns (const std::array< int, 7 > &runHistory) const

int	finderPenaltyTerminateAndCount (bool currentRunColor, int currentRunLength, std::array< int, 7 > &runHistory) const

void	finderPenaltyAddHistory (int currentRunLength, std::array< int, 7 > &runHistory) const

Static Private Member Functions
static int	getFormatBits (Ecc ecl)

static int	getNumRawDataModules (int ver)

static int	getNumDataCodewords (int ver, Ecc ecl)

static std::vector< std::uint8_t >	reedSolomonComputeDivisor (int degree)

static std::vector< std::uint8_t >	reedSolomonComputeRemainder (const std::vector< std::uint8_t > &data, const std::vector< std::uint8_t > &divisor)

static std::uint8_t	reedSolomonMultiply (std::uint8_t x, std::uint8_t y)

static bool	getBit (long x, int i)

Private Attributes
int	version

int	size

Ecc	errorCorrectionLevel

int	mask

std::vector< std::vector< bool > >	modules

std::vector< std::vector< bool > >	isFunction

Static Private Attributes
static const int	PENALTY_N1 = 3

static const int	PENALTY_N2 = 3

static const int	PENALTY_N3 = 40

static const int	PENALTY_N4 = 10

static const std::int8_t	ECC_CODEWORDS_PER_BLOCK [4][41]

static const std::int8_t	NUM_ERROR_CORRECTION_BLOCKS [4][41]

Member Enumeration Documentation

◆ Ecc

enum qrcodegen::QrCode::Ecc

strong

Enumerator
LOW
MEDIUM
QUARTILE
HIGH

Constructor & Destructor Documentation

◆ QrCode()

qrcodegen::QrCode::QrCode	(	int	ver,
		Ecc	ecl,
		const std::vector< std::uint8_t > &	dataCodewords,
		int	msk
	)

Member Function Documentation

◆ addEccAndInterleave()

vector< uint8_t > qrcodegen::QrCode::addEccAndInterleave ( const std::vector< std::uint8_t > & data ) const

private

◆ applyMask()

void qrcodegen::QrCode::applyMask ( int msk )

private

◆ drawAlignmentPattern()

void qrcodegen::QrCode::drawAlignmentPattern	(	int	x,
		int	y
	)

private

◆ drawCodewords()

void qrcodegen::QrCode::drawCodewords ( const std::vector< std::uint8_t > & data )

private

◆ drawFinderPattern()

void qrcodegen::QrCode::drawFinderPattern	(	int	x,
		int	y
	)

private

◆ drawFormatBits()

void qrcodegen::QrCode::drawFormatBits ( int msk )

private

◆ drawFunctionPatterns()

void qrcodegen::QrCode::drawFunctionPatterns ( )

private

◆ drawVersion()

void qrcodegen::QrCode::drawVersion ( )

private

◆ encodeBinary()

QrCode qrcodegen::QrCode::encodeBinary	(	const std::vector< std::uint8_t > &	data,
		Ecc	ecl
	)

static

◆ encodeSegments()

QrCode qrcodegen::QrCode::encodeSegments	(	const std::vector< QrSegment > &	segs,
		Ecc	ecl,
		int	minVersion = `1`,
		int	maxVersion = `40`,
		int	mask = `-1`,
		bool	boostEcl = `true`
	)

static

◆ encodeText()

QrCode qrcodegen::QrCode::encodeText	(	const char *	text,
		Ecc	ecl
	)

static

◆ finderPenaltyAddHistory()

void qrcodegen::QrCode::finderPenaltyAddHistory	(	int	currentRunLength,
		std::array< int, 7 > &	runHistory
	)		const

private

◆ finderPenaltyCountPatterns()

int qrcodegen::QrCode::finderPenaltyCountPatterns ( const std::array< int, 7 > & runHistory ) const

private

◆ finderPenaltyTerminateAndCount()

int qrcodegen::QrCode::finderPenaltyTerminateAndCount	(	bool	currentRunColor,
		int	currentRunLength,
		std::array< int, 7 > &	runHistory
	)		const

private

◆ getAlignmentPatternPositions()

vector< int > qrcodegen::QrCode::getAlignmentPatternPositions ( ) const

private

◆ getBit()

bool qrcodegen::QrCode::getBit	(	long	x,
		int	i
	)

staticprivate

◆ getErrorCorrectionLevel()

QrCode::Ecc qrcodegen::QrCode::getErrorCorrectionLevel ( ) const

◆ getFormatBits()

int qrcodegen::QrCode::getFormatBits ( Ecc ecl )

staticprivate

◆ getMask()

int qrcodegen::QrCode::getMask ( ) const

◆ getModule()

bool qrcodegen::QrCode::getModule	(	int	x,
		int	y
	)		const

◆ getNumDataCodewords()

int qrcodegen::QrCode::getNumDataCodewords	(	int	ver,
		Ecc	ecl
	)

staticprivate

◆ getNumRawDataModules()

int qrcodegen::QrCode::getNumRawDataModules ( int ver )

staticprivate

◆ getPenaltyScore()

long qrcodegen::QrCode::getPenaltyScore ( ) const

private

◆ getSize()

int qrcodegen::QrCode::getSize ( ) const

◆ getVersion()

int qrcodegen::QrCode::getVersion ( ) const

◆ module()

bool qrcodegen::QrCode::module	(	int	x,
		int	y
	)		const

private

◆ reedSolomonComputeDivisor()

vector< uint8_t > qrcodegen::QrCode::reedSolomonComputeDivisor ( int degree )

staticprivate

◆ reedSolomonComputeRemainder()

vector< uint8_t > qrcodegen::QrCode::reedSolomonComputeRemainder	(	const std::vector< std::uint8_t > &	data,
		const std::vector< std::uint8_t > &	divisor
	)

staticprivate

◆ reedSolomonMultiply()

uint8_t qrcodegen::QrCode::reedSolomonMultiply	(	std::uint8_t	x,
		std::uint8_t	y
	)

staticprivate

◆ setFunctionModule()

void qrcodegen::QrCode::setFunctionModule	(	int	x,
		int	y,
		bool	isBlack
	)

private

◆ toSvgString()

std::string qrcodegen::QrCode::toSvgString ( int border ) const

Member Data Documentation

◆ ECC_CODEWORDS_PER_BLOCK

const int8_t qrcodegen::QrCode::ECC_CODEWORDS_PER_BLOCK

staticprivate

Initial value:

= {
    
    
    {-1,  7, 10, 15, 20, 26, 18, 20, 24, 30, 18, 20, 24, 26, 30, 22, 24, 28, 30, 28, 28, 28, 28, 30, 30, 26, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},  
    {-1, 10, 16, 26, 18, 24, 16, 18, 22, 22, 26, 30, 22, 22, 24, 24, 28, 28, 26, 26, 26, 26, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28},  
    {-1, 13, 22, 18, 26, 18, 24, 18, 22, 20, 24, 28, 26, 24, 20, 30, 24, 28, 28, 26, 30, 28, 30, 30, 30, 30, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},  
    {-1, 17, 28, 22, 16, 22, 28, 26, 26, 24, 28, 24, 28, 22, 24, 24, 30, 28, 28, 26, 28, 30, 24, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},  
}

◆ errorCorrectionLevel

Ecc qrcodegen::QrCode::errorCorrectionLevel

private

◆ isFunction

std::vector<std::vector<bool> > qrcodegen::QrCode::isFunction

private

◆ mask

int qrcodegen::QrCode::mask

private

◆ MAX_VERSION

constexpr int qrcodegen::QrCode::MAX_VERSION = 40

static

◆ MIN_VERSION

constexpr int qrcodegen::QrCode::MIN_VERSION = 1

static

◆ modules

std::vector<std::vector<bool> > qrcodegen::QrCode::modules

private

◆ NUM_ERROR_CORRECTION_BLOCKS

const int8_t qrcodegen::QrCode::NUM_ERROR_CORRECTION_BLOCKS

staticprivate

Initial value:

= {
    
    
    {-1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 4,  4,  4,  4,  4,  6,  6,  6,  6,  7,  8,  8,  9,  9, 10, 12, 12, 12, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 22, 24, 25},  
    {-1, 1, 1, 1, 2, 2, 4, 4, 4, 5, 5,  5,  8,  9,  9, 10, 10, 11, 13, 14, 16, 17, 17, 18, 20, 21, 23, 25, 26, 28, 29, 31, 33, 35, 37, 38, 40, 43, 45, 47, 49},  
    {-1, 1, 1, 2, 2, 4, 4, 6, 6, 8, 8,  8, 10, 12, 16, 12, 17, 16, 18, 21, 20, 23, 23, 25, 27, 29, 34, 34, 35, 38, 40, 43, 45, 48, 51, 53, 56, 59, 62, 65, 68},  
    {-1, 1, 1, 2, 4, 4, 4, 5, 6, 8, 8, 11, 11, 16, 16, 18, 16, 19, 21, 25, 25, 25, 34, 30, 32, 35, 37, 40, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 77, 81},  
}

◆ PENALTY_N1

const int qrcodegen::QrCode::PENALTY_N1 = 3

staticprivate

◆ PENALTY_N2

const int qrcodegen::QrCode::PENALTY_N2 = 3

staticprivate

◆ PENALTY_N3

const int qrcodegen::QrCode::PENALTY_N3 = 40

staticprivate

◆ PENALTY_N4

const int qrcodegen::QrCode::PENALTY_N4 = 10

staticprivate

◆ size

int qrcodegen::QrCode::size

private

◆ version

int qrcodegen::QrCode::version

private

The documentation for this class was generated from the following files:

external/qrcodegen/QrCode.hpp
external/qrcodegen/QrCode.cpp

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Member Enumeration Documentation

◆ Ecc

Constructor & Destructor Documentation

◆ QrCode()

Member Function Documentation

◆ addEccAndInterleave()

◆ applyMask()

◆ drawAlignmentPattern()

◆ drawCodewords()

◆ drawFinderPattern()

◆ drawFormatBits()

◆ drawFunctionPatterns()

◆ drawVersion()

◆ encodeBinary()

◆ encodeSegments()

◆ encodeText()

◆ finderPenaltyAddHistory()

◆ finderPenaltyCountPatterns()

◆ finderPenaltyTerminateAndCount()

◆ getAlignmentPatternPositions()

◆ getBit()

◆ getErrorCorrectionLevel()

◆ getFormatBits()

◆ getMask()

◆ getModule()

◆ getNumDataCodewords()

◆ getNumRawDataModules()

◆ getPenaltyScore()

◆ getSize()

◆ getVersion()

◆ module()

◆ reedSolomonComputeDivisor()

◆ reedSolomonComputeRemainder()

◆ reedSolomonMultiply()

◆ setFunctionModule()

◆ toSvgString()

Member Data Documentation

◆ ECC_CODEWORDS_PER_BLOCK

◆ errorCorrectionLevel

◆ isFunction

◆ mask

◆ MAX_VERSION

◆ MIN_VERSION

◆ modules

◆ NUM_ERROR_CORRECTION_BLOCKS

◆ PENALTY_N1

◆ PENALTY_N2

◆ PENALTY_N3

◆ PENALTY_N4

◆ size

◆ version