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103 lines
3.0 KiB
103 lines
3.0 KiB
/* |
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* qrencode - QR Code encoder |
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* |
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* Input data chunk class |
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net> |
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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 __QRINPUT_H__ |
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#define __QRINPUT_H__ |
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#include "qrencode.h" |
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#include "bitstream.h" |
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/****************************************************************************** |
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* Entry of input data |
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*****************************************************************************/ |
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typedef struct _QRinput_List QRinput_List; |
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struct _QRinput_List { |
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QRencodeMode mode; |
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int size; ///< Size of data chunk (byte). |
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unsigned char *data; ///< Data chunk. |
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BitStream *bstream; |
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QRinput_List *next; |
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}; |
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/****************************************************************************** |
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* Input Data |
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*****************************************************************************/ |
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struct _QRinput { |
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int version; |
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QRecLevel level; |
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QRinput_List *head; |
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QRinput_List *tail; |
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}; |
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/****************************************************************************** |
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* Structured append input data |
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*****************************************************************************/ |
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typedef struct _QRinput_InputList QRinput_InputList; |
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struct _QRinput_InputList { |
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QRinput *input; |
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QRinput_InputList *next; |
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}; |
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struct _QRinput_Struct { |
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int size; ///< number of structured symbols |
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int parity; |
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QRinput_InputList *head; |
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QRinput_InputList *tail; |
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}; |
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/** |
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* Pack all bit streams padding bits into a byte array. |
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* @param input input data. |
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* @return padded merged byte stream |
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*/ |
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extern unsigned char *QRinput_getByteStream(QRinput *input); |
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extern int QRinput_estimateBitsModeNum(int size); |
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extern int QRinput_estimateBitsModeAn(int size); |
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extern int QRinput_estimateBitsMode8(int size); |
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extern int QRinput_estimateBitsModeKanji(int size); |
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extern QRinput *QRinput_dup(QRinput *input); |
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extern const signed char QRinput_anTable[128]; |
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/** |
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* Look up the alphabet-numeric convesion table (see JIS X0510:2004, pp.19). |
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* @param __c__ character |
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* @return value |
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*/ |
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#define QRinput_lookAnTable(__c__) \ |
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((__c__ & 0x80)?-1:QRinput_anTable[(int)__c__]) |
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/** |
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* Length of a segment of structured-append header. |
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*/ |
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#define STRUCTURE_HEADER_BITS 20 |
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/** |
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* Maximum number of symbols in a set of structured-appended symbols. |
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*/ |
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#define MAX_STRUCTURED_SYMBOLS 16 |
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#endif /* __QRINPUT_H__ */
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