mqrspec.h File Reference

#include "qrencode.h"

Go to the source code of this file.

Macros
#define	MQRSPEC_WIDTH_MAX   17
	Maximum width of a symbol. More...
#define	MQRSPEC_MODEID_NUM   0
	Mode indicator. More...
#define	MQRSPEC_MODEID_AN   1
#define	MQRSPEC_MODEID_8   2
#define	MQRSPEC_MODEID_KANJI   3

Functions
int	MQRspec_getDataLengthBit (int version, QRecLevel level)
	Return maximum data code length (bits) for the version. More...
int	MQRspec_getDataLength (int version, QRecLevel level)
	Return maximum data code length (bytes) for the version. More...
int	MQRspec_getECCLength (int version, QRecLevel level)
	Return maximum error correction code length (bytes) for the version. More...
int	MQRspec_getMinimumVersion (int size, QRecLevel level)
	Return a version number that satisfies the input code length. More...
int	MQRspec_getWidth (int version)
	Return the width of the symbol for the version. More...
int	MQRspec_getRemainder (int version)
	Return the numer of remainder bits. More...
int	MQRspec_lengthIndicator (QRencodeMode mode, int version)
	Return the size of length indicator for the mode and version. More...
int	MQRspec_maximumWords (QRencodeMode mode, int version)
	Return the maximum length for the mode and version. More...
unsigned int	MQRspec_getVersionPattern (int version)
	Return BCH encoded version information pattern that is used for the symbol of version 7 or greater. More...
unsigned int	MQRspec_getFormatInfo (int mask, int version, QRecLevel level)
	Return BCH encoded format information pattern. More...
unsigned char *	MQRspec_newFrame (int version)
	Return a copy of initialized frame. More...

Macro Definition Documentation

#define MQRSPEC_MODEID_8   2

Definition at line 147 of file mqrspec.h.

Referenced by QRinput_encodeMode8().

#define MQRSPEC_MODEID_AN   1

Definition at line 146 of file mqrspec.h.

Referenced by QRinput_encodeModeAn().

#define MQRSPEC_MODEID_KANJI   3

Definition at line 148 of file mqrspec.h.

Referenced by QRinput_encodeModeKanji().

#define MQRSPEC_MODEID_NUM   0

Mode indicator.

See Table 2 in Appendix 1 of JIS X0510:2004, pp.107.

Definition at line 145 of file mqrspec.h.

Referenced by QRinput_encodeModeNum().

#define MQRSPEC_WIDTH_MAX   17

Maximum width of a symbol.

Definition at line 34 of file mqrspec.h.

Function Documentation

int MQRspec_getDataLength	(	int	version,
		QRecLevel	level
	)

Return maximum data code length (bytes) for the version.

Parameters

version	version of the symbol
level	error correction level

Returns

maximum size (bytes)

Definition at line 68 of file mqrspec.c.

References MQRspec_getDataLengthBit().

Referenced by MQRraw_new().

int MQRspec_getDataLengthBit	(	int	version,
		QRecLevel	level
	)

Return maximum data code length (bits) for the version.

Parameters

version	version of the symbol
level	error correction level

Returns

maximum size (bits)

Definition at line 57 of file mqrspec.c.

References MQRspec_Capacity::ec, and MQRspec_Capacity::width.

Referenced by MQRraw_new(), MQRspec_getDataLength(), and QRinput_appendPaddingBitMQR().

int MQRspec_getECCLength	(	int	version,
		QRecLevel	level
	)

Return maximum error correction code length (bytes) for the version.

Parameters

version	version of the symbol
level	error correction level

Returns

ECC size (bytes)

Definition at line 73 of file mqrspec.c.

References MQRspec_Capacity::ec.

Referenced by MQRraw_new(), QRinput_newMQR(), and QRinput_setVersionAndErrorCorrectionLevel().

unsigned int MQRspec_getFormatInfo	(	int	mask,
		int	version,
		QRecLevel	level
	)

Return BCH encoded format information pattern.

Parameters

mask	mask number
version	version of the symbol
level	error correction level

Returns

BCH encoded format information pattern

Definition at line 137 of file mqrspec.c.

References formatInfo, MQRSPEC_VERSION_MAX, QR_ECLEVEL_H, and typeTable.

Referenced by MMask_writeFormatInformation().

int MQRspec_getMinimumVersion	(	int	size,
		QRecLevel	level
	)

Return a version number that satisfies the input code length.

Parameters

size	input code length (byte)
level	error correction level

Returns

version number

int MQRspec_getRemainder

(

int

version

)

Return the numer of remainder bits.

Parameters

version

version of the symbol

Returns

number of remainder bits

unsigned int MQRspec_getVersionPattern

(

int

version

)

Return BCH encoded version information pattern that is used for the symbol of version 7 or greater.

Use lower 18 bits.

Parameters

version

vesion of the symbol

Returns

BCH encoded version information pattern

int MQRspec_getWidth

(

int

version

)

Return the width of the symbol for the version.

Parameters

version

version of the symbol

Returns

width

Definition at line 78 of file mqrspec.c.

References MQRspec_Capacity::width.

Referenced by MMask_makeMask(), MMask_mask(), and QRcode_encodeMaskMQR().

int MQRspec_lengthIndicator	(	QRencodeMode	mode,
		int	version
	)

Return the size of length indicator for the mode and version.

Parameters

mode	encode mode
version	vesion of the symbol

Returns

the size of the appropriate length indicator (bits).

Definition at line 97 of file mqrspec.c.

References lengthTableBits.

Referenced by QRinput_encodeMode8(), QRinput_encodeModeAn(), QRinput_encodeModeKanji(), QRinput_encodeModeNum(), and QRinput_estimateBitStreamSizeOfEntry().

int MQRspec_maximumWords	(	QRencodeMode	mode,
		int	version
	)

Return the maximum length for the mode and version.

Parameters

mode	encode mode
version	vesion of the symbol

Returns

the maximum length (bytes)

Definition at line 102 of file mqrspec.c.

References lengthTableBits, and QR_MODE_KANJI.

Referenced by QRinput_encodeBitStream().

unsigned char* MQRspec_newFrame

(

int

version

)

Return a copy of initialized frame.

Parameters

version

version of the symbol

Returns

Array of unsigned char. You can free it by free().

Definition at line 225 of file mqrspec.c.

References MQRspec_createFrame(), and MQRSPEC_VERSION_MAX.

Referenced by QRcode_encodeMaskMQR().