#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "mqrspec.h"

Include dependency graph for mqrspec.c:

Data Structures
struct	MQRspec_Capacity
	Version and capacity. More...

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_getWidth (int version)
	Return the width of the symbol for the version. More...

int	MQRspec_lengthIndicator (QRencodeMode mode, int version)
	Length indicator. More...

int	MQRspec_maximumWords (QRencodeMode mode, int version)
	Return the maximum length for the mode and version. More...

unsigned int	MQRspec_getFormatInfo (int mask, int version, QRecLevel level)
	Format information. More...

static void	putFinderPattern (unsigned char *frame, int width, int ox, int oy)
	Frame. More...

static unsigned char *	MQRspec_createFrame (int version)

unsigned char *	MQRspec_newFrame (int version)
	Frame. More...

Variables
static const MQRspec_Capacity	mqrspecCapacity [4+1]
	Table of the capacity of symbols See Table 1 (pp.106) and Table 8 (pp.113) of Appendix 1, JIS X0510:2004. More...

static const int	lengthTableBits [4][4]
	Length indicator. More...

static const unsigned int	formatInfo [4][8]
	Format information. More...

static const int	typeTable [4+1][3]

Function Documentation

◆ MQRspec_createFrame()

static unsigned char * MQRspec_createFrame ( int version )

static

Definition at line 187 of file mqrspec.c.

References mqrspecCapacity, putFinderPattern(), version, and MQRspec_Capacity::width.

Referenced by MQRspec_newFrame().

◆ MQRspec_getDataLength()

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 70 of file mqrspec.c.

References level, MQRspec_getDataLengthBit(), and version.

Referenced by MQRraw_new().

◆ MQRspec_getDataLengthBit()

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 59 of file mqrspec.c.

References MQRspec_Capacity::ec, level, mqrspecCapacity, version, and MQRspec_Capacity::width.

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

◆ MQRspec_getECCLength()

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 75 of file mqrspec.c.

References MQRspec_Capacity::ec, level, mqrspecCapacity, and version.

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

◆ MQRspec_getFormatInfo()

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

Format information.

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 139 of file mqrspec.c.

References formatInfo, level, MQRSPEC_VERSION_MAX, QR_ECLEVEL_H, typeTable, and version.

Referenced by MMask_writeFormatInformation().

◆ MQRspec_getWidth()

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 80 of file mqrspec.c.

References mqrspecCapacity, version, and MQRspec_Capacity::width.

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

◆ MQRspec_lengthIndicator()

int MQRspec_lengthIndicator	(	QRencodeMode	mode,
		int	version
	)

Length indicator.

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 99 of file mqrspec.c.

References lengthTableBits, and version.

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

◆ MQRspec_maximumWords()

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 104 of file mqrspec.c.

References lengthTableBits, QR_MODE_KANJI, and version.

Referenced by QRinput_encodeBitStream().

◆ MQRspec_newFrame()

unsigned char * MQRspec_newFrame ( int version )

Frame.

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 227 of file mqrspec.c.

References MQRspec_createFrame(), MQRSPEC_VERSION_MAX, and version.

Referenced by QRcode_encodeMaskMQR().

◆ putFinderPattern()

static void putFinderPattern	(	unsigned char *	frame,
		int	width,
		int	ox,
		int	oy
	)

static

Frame.

Put a finder pattern.

Parameters

frame
width
ox,oy	upper-left coordinate of the pattern

Definition at line 162 of file mqrspec.c.

Referenced by MQRspec_createFrame().

Variable Documentation

◆ formatInfo

const unsigned int formatInfo[4][8]

static

Initial value:

= {
    {0x4445, 0x55ae, 0x6793, 0x7678, 0x06de, 0x1735, 0x2508, 0x34e3},
    {0x4172, 0x5099, 0x62a4, 0x734f, 0x03e9, 0x1202, 0x203f, 0x31d4},
    {0x4e2b, 0x5fc0, 0x6dfd, 0x7c16, 0x0cb0, 0x1d5b, 0x2f66, 0x3e8d},
    {0x4b1c, 0x5af7, 0x68ca, 0x7921, 0x0987, 0x186c, 0x2a51, 0x3bba}
}

Format information.

Definition at line 123 of file mqrspec.c.

Referenced by MQRspec_getFormatInfo().

◆ lengthTableBits

const int lengthTableBits[4][4]

static

Initial value:

= {
    { 3, 4, 5, 6},
    { 0, 3, 4, 5},
    { 0, 0, 4, 5},
    { 0, 0, 3, 4}
}

Length indicator.

See Table 3 (pp.107) of Appendix 1, JIS X0510:2004.

Definition at line 92 of file mqrspec.c.

Referenced by MQRspec_lengthIndicator(), and MQRspec_maximumWords().

◆ mqrspecCapacity

const MQRspec_Capacity mqrspecCapacity[4+1]

static

Initial value:

= {
    {  0, {0,  0,  0, 0}},
    { 11, {2,  0,  0, 0}},
    { 13, {5,  6,  0, 0}},
    { 15, {6,  8,  0, 0}},
    { 17, {8, 10, 14, 0}}
}

Table of the capacity of symbols See Table 1 (pp.106) and Table 8 (pp.113) of Appendix 1, JIS X0510:2004.

Definition at line 51 of file mqrspec.c.

Referenced by MQRspec_createFrame(), MQRspec_getDataLengthBit(), MQRspec_getECCLength(), and MQRspec_getWidth().

◆ typeTable

const int typeTable[4+1][3]

static

Initial value:

= {
    {-1, -1, -1},
    { 0, -1, -1},
    { 1,  2, -1},
    { 3,  4, -1},
    { 5,  6,  7}
}

Definition at line 131 of file mqrspec.c.

Referenced by MQRspec_getFormatInfo().

Data Structures

Functions

Variables

Function Documentation

◆ MQRspec_createFrame()

◆ MQRspec_getDataLength()

◆ MQRspec_getDataLengthBit()

◆ MQRspec_getECCLength()

◆ MQRspec_getFormatInfo()

◆ MQRspec_getWidth()

◆ MQRspec_lengthIndicator()

◆ MQRspec_maximumWords()

◆ MQRspec_newFrame()

◆ putFinderPattern()

Variable Documentation

◆ formatInfo

◆ lengthTableBits

◆ mqrspecCapacity

◆ typeTable