1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
|
/*
* qrencode - QR Code encoder
*
* Micro QR Code specification in convenient format.
* Copyright (C) 2006-2017 Kentaro Fukuchi <kentaro@fukuchi.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MQRSPEC_H
#define MQRSPEC_H
#include "qrencode.h"
/******************************************************************************
* Version and capacity
*****************************************************************************/
/**
* Maximum width of a symbol
*/
#define MQRSPEC_WIDTH_MAX 17
/**
* Return maximum data code length (bits) for the version.
* @param version version of the symbol
* @param level error correction level
* @return maximum size (bits)
*/
extern int MQRspec_getDataLengthBit(int version, QRecLevel level);
/**
* Return maximum data code length (bytes) for the version.
* @param version version of the symbol
* @param level error correction level
* @return maximum size (bytes)
*/
extern int MQRspec_getDataLength(int version, QRecLevel level);
/**
* Return maximum error correction code length (bytes) for the version.
* @param version version of the symbol
* @param level error correction level
* @return ECC size (bytes)
*/
extern int MQRspec_getECCLength(int version, QRecLevel level);
/**
* Return a version number that satisfies the input code length.
* @param size input code length (byte)
* @param level error correction level
* @return version number
*/
extern int MQRspec_getMinimumVersion(int size, QRecLevel level);
/**
* Return the width of the symbol for the version.
* @param version version of the symbol
* @return width
*/
extern int MQRspec_getWidth(int version);
/**
* Return the numer of remainder bits.
* @param version version of the symbol
* @return number of remainder bits
*/
extern int MQRspec_getRemainder(int version);
/******************************************************************************
* Length indicator
*****************************************************************************/
/**
* Return the size of length indicator for the mode and version.
* @param mode encode mode
* @param version vesion of the symbol
* @return the size of the appropriate length indicator (bits).
*/
extern int MQRspec_lengthIndicator(QRencodeMode mode, int version);
/**
* Return the maximum length for the mode and version.
* @param mode encode mode
* @param version vesion of the symbol
* @return the maximum length (bytes)
*/
extern int MQRspec_maximumWords(QRencodeMode mode, int version);
/******************************************************************************
* Version information pattern
*****************************************************************************/
/**
* Return BCH encoded version information pattern that is used for the symbol
* of version 7 or greater. Use lower 18 bits.
* @param version vesion of the symbol
* @return BCH encoded version information pattern
*/
extern unsigned int MQRspec_getVersionPattern(int version);
/******************************************************************************
* Format information
*****************************************************************************/
/**
* Return BCH encoded format information pattern.
* @param mask mask number
* @param version version of the symbol
* @param level error correction level
* @return BCH encoded format information pattern
*/
extern unsigned int MQRspec_getFormatInfo(int mask, int version, QRecLevel level);
/******************************************************************************
* Frame
*****************************************************************************/
/**
* Return a copy of initialized frame.
* @param version version of the symbol
* @return Array of unsigned char. You can free it by free().
*/
extern unsigned char *MQRspec_newFrame(int version);
/******************************************************************************
* Mode indicator
*****************************************************************************/
/**
* Mode indicator. See Table 2 in Appendix 1 of JIS X0510:2004, pp.107.
*/
#define MQRSPEC_MODEID_NUM 0
#define MQRSPEC_MODEID_AN 1
#define MQRSPEC_MODEID_8 2
#define MQRSPEC_MODEID_KANJI 3
#endif /* MQRSPEC_H */
|