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https://github.com/zhuzichu520/FluentUI.git
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151 lines
4.8 KiB
C
151 lines
4.8 KiB
C
/*
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* qrencode - QR Code encoder
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*
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* Micro QR Code specification in convenient format.
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* Copyright (C) 2006-2017 Kentaro Fukuchi <kentaro@fukuchi.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef MQRSPEC_H
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#define MQRSPEC_H
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#include "qrencode.h"
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/******************************************************************************
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* Version and capacity
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*****************************************************************************/
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/**
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* Maximum width of a symbol
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*/
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#define MQRSPEC_WIDTH_MAX 17
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/**
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* Return maximum data code length (bits) for the version.
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* @param version version of the symbol
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* @param level error correction level
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* @return maximum size (bits)
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*/
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extern int MQRspec_getDataLengthBit(int version, QRecLevel level);
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/**
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* Return maximum data code length (bytes) for the version.
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* @param version version of the symbol
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* @param level error correction level
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* @return maximum size (bytes)
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*/
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extern int MQRspec_getDataLength(int version, QRecLevel level);
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/**
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* Return maximum error correction code length (bytes) for the version.
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* @param version version of the symbol
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* @param level error correction level
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* @return ECC size (bytes)
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*/
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extern int MQRspec_getECCLength(int version, QRecLevel level);
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/**
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* Return a version number that satisfies the input code length.
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* @param size input code length (byte)
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* @param level error correction level
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* @return version number
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*/
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extern int MQRspec_getMinimumVersion(int size, QRecLevel level);
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/**
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* Return the width of the symbol for the version.
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* @param version version of the symbol
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* @return width
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*/
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extern int MQRspec_getWidth(int version);
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/**
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* Return the numer of remainder bits.
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* @param version version of the symbol
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* @return number of remainder bits
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*/
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extern int MQRspec_getRemainder(int version);
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/******************************************************************************
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* Length indicator
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*****************************************************************************/
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/**
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* Return the size of length indicator for the mode and version.
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* @param mode encode mode
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* @param version vesion of the symbol
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* @return the size of the appropriate length indicator (bits).
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*/
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extern int MQRspec_lengthIndicator(QRencodeMode mode, int version);
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/**
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* Return the maximum length for the mode and version.
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* @param mode encode mode
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* @param version vesion of the symbol
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* @return the maximum length (bytes)
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*/
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extern int MQRspec_maximumWords(QRencodeMode mode, int version);
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/******************************************************************************
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* Version information pattern
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*****************************************************************************/
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/**
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* Return BCH encoded version information pattern that is used for the symbol
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* of version 7 or greater. Use lower 18 bits.
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* @param version vesion of the symbol
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* @return BCH encoded version information pattern
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*/
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extern unsigned int MQRspec_getVersionPattern(int version);
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/******************************************************************************
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* Format information
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*****************************************************************************/
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/**
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* Return BCH encoded format information pattern.
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* @param mask mask number
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* @param version version of the symbol
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* @param level error correction level
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* @return BCH encoded format information pattern
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*/
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extern unsigned int MQRspec_getFormatInfo(int mask, int version, QRecLevel level);
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/******************************************************************************
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* Frame
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*****************************************************************************/
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/**
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* Return a copy of initialized frame.
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* @param version version of the symbol
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* @return Array of unsigned char. You can free it by free().
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*/
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extern unsigned char *MQRspec_newFrame(int version);
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/******************************************************************************
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* Mode indicator
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*****************************************************************************/
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/**
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* Mode indicator. See Table 2 in Appendix 1 of JIS X0510:2004, pp.107.
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*/
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#define MQRSPEC_MODEID_NUM 0
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#define MQRSPEC_MODEID_AN 1
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#define MQRSPEC_MODEID_8 2
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#define MQRSPEC_MODEID_KANJI 3
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#endif /* MQRSPEC_H */
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