pure sdk for main
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divadiow
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/*Copyright (C) 2008-2009 Timothy B. Terriberry (tterribe@xiph.org)
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You can redistribute this library and/or modify it under the terms of the
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GNU Lesser General Public License as published by the Free Software
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Foundation; either version 2.1 of the License, or (at your option) any later
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version.*/
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#if !defined(_qrdec_H)
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# define _qrdec_H (1)
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#include <zbar.h>
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typedef struct qr_code_data_entry qr_code_data_entry;
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typedef struct qr_code_data qr_code_data;
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typedef struct qr_code_data_list qr_code_data_list;
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typedef enum qr_mode{
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/*Numeric digits ('0'...'9').*/
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QR_MODE_NUM=1,
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/*Alphanumeric characters ('0'...'9', 'A'...'Z', plus the punctuation
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' ', '$', '%', '*', '+', '-', '.', '/', ':').*/
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QR_MODE_ALNUM,
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/*Structured-append header.*/
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QR_MODE_STRUCT,
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/*Raw 8-bit bytes.*/
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QR_MODE_BYTE,
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/*FNC1 marker (for more info, see http://www.mecsw.com/specs/uccean128.html).
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In the "first position" data is formatted in accordance with GS1 General
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Specifications.*/
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QR_MODE_FNC1_1ST,
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/*Mode 6 reserved?*/
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/*Extended Channel Interpretation code.*/
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QR_MODE_ECI=7,
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/*SJIS kanji characters.*/
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QR_MODE_KANJI,
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/*FNC1 marker (for more info, see http://www.mecsw.com/specs/uccean128.html).
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In the "second position" data is formatted in accordance with an industry
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application as specified by AIM Inc.*/
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QR_MODE_FNC1_2ND
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}qr_mode;
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/*Check if a mode has a data buffer associated with it.
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Currently this is only modes with exactly one bit set.*/
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#define QR_MODE_HAS_DATA(_mode) (!((_mode)&((_mode)-1)))
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/*ECI may be used to signal a character encoding for the data.*/
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typedef enum qr_eci_encoding{
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/*GLI0 is like CP437, but the encoding is reset at the beginning of each
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structured append symbol.*/
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QR_ECI_GLI0,
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/*GLI1 is like ISO8859_1, but the encoding is reset at the beginning of each
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structured append symbol.*/
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QR_ECI_GLI1,
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/*The remaining encodings do not reset at the start of the next structured
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append symbol.*/
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QR_ECI_CP437,
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/*Western European.*/
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QR_ECI_ISO8859_1,
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/*Central European.*/
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QR_ECI_ISO8859_2,
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/*South European.*/
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QR_ECI_ISO8859_3,
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/*North European.*/
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QR_ECI_ISO8859_4,
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/*Cyrillic.*/
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QR_ECI_ISO8859_5,
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/*Arabic.*/
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QR_ECI_ISO8859_6,
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/*Greek.*/
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QR_ECI_ISO8859_7,
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/*Hebrew.*/
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QR_ECI_ISO8859_8,
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/*Turkish.*/
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QR_ECI_ISO8859_9,
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/*Nordic.*/
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QR_ECI_ISO8859_10,
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/*Thai.*/
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QR_ECI_ISO8859_11,
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/*There is no ISO/IEC 8859-12.*/
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/*Baltic rim.*/
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QR_ECI_ISO8859_13=QR_ECI_ISO8859_11+2,
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/*Celtic.*/
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QR_ECI_ISO8859_14,
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/*Western European with euro.*/
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QR_ECI_ISO8859_15,
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/*South-Eastern European (with euro).*/
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QR_ECI_ISO8859_16,
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/*ECI 000019 is reserved?*/
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/*Shift-JIS.*/
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QR_ECI_SJIS=20
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}qr_eci_encoding;
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/*A single unit of parsed QR code data.*/
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struct qr_code_data_entry{
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/*The mode of this data block.*/
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qr_mode mode;
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union{
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/*Data buffer for modes that have one.*/
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struct{
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unsigned char *buf;
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int len;
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}data;
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/*Decoded "Extended Channel Interpretation" data.*/
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unsigned eci;
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/*Structured-append header data.*/
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struct{
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unsigned char sa_index;
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unsigned char sa_size;
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unsigned char sa_parity;
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}sa;
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}payload;
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};
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/*Low-level QR code data.*/
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struct qr_code_data{
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/*The decoded data entries.*/
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qr_code_data_entry *entries;
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int nentries;
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/*The code version (1...40).*/
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unsigned char version;
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/*The ECC level (0...3, corresponding to 'L', 'M', 'Q', and 'H').*/
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unsigned char ecc_level;
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/*Structured-append information.*/
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/*The index of this code in the structured-append group.
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If sa_size is zero, this is undefined.*/
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unsigned char sa_index;
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/*The size of the structured-append group, or 0 if there was no S-A header.*/
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unsigned char sa_size;
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/*The parity of the entire structured-append group.
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If sa_size is zero, this is undefined.*/
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unsigned char sa_parity;
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/*The parity of this code.
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If sa_size is zero, this is undefined.*/
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unsigned char self_parity;
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/*An approximate bounding box for the code.
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Points appear in the order up-left, up-right, down-left, down-right,
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relative to the orientation of the QR code.*/
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qr_point bbox[4];
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};
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struct qr_code_data_list{
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qr_code_data *qrdata;
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int nqrdata;
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int cqrdata;
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};
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/*Extract symbol data from a list of QR codes and attach to the image.
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All text is converted to UTF-8.
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Any structured-append group that does not have all of its members is decoded
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as ZBAR_PARTIAL with ZBAR_PARTIAL components for the discontinuities.
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Note that isolated members of a structured-append group may be decoded with
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the wrong character set, since the correct setting cannot be propagated
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between codes.
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Return: The number of symbols which were successfully extracted from the
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codes; this will be at most the number of codes.*/
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int qr_code_data_list_extract_text(const qr_code_data_list *_qrlist,
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zbar_image_scanner_t *iscn,
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zbar_image_t *img);
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/*TODO: Parse DoCoMo standard barcode data formats.
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See http://www.nttdocomo.co.jp/english/service/imode/make/content/barcode/function/application/
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for details.*/
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#endif
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