com-tecnick-tcpdf
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Packages:
com-tecnick-tcpdf


Files:
2dbarcodes.php
barcodes.php
htmlcolors.php
qrcode.php
tcpdf.php
tcpdf_config.php
unicode_data.php

Classes:
QRcode
TCPDF
TCPDF2DBarcode
TCPDFBarcode

Procedural File: qrcode.php

Source Location: /qrcode.php



Classes:

QRcode
Class to create QR-code arrays for TCPDF class.


Page Details:

Class to create QR-code arrays for TCPDF class.

QR Code symbol is a 2D barcode that can be scanned by handy terminals such as a mobile phone with CCD. The capacity of QR Code is up to 7000 digits or 4000 characters, and has high robustness. This class supports QR Code model 2, described in JIS (Japanese Industrial Standards) X0510:2004 or ISO/IEC 18004. Currently the following features are not supported: ECI and FNC1 mode, Micro QR Code, QR Code model 1, Structured mode.

This class is derived from "PHP QR Code encoder" by Dominik Dzienia (http://phpqrcode.sourceforge.net/) based on "libqrencode C library 3.1.1." by Kentaro Fukuchi (http://megaui.net/fukuchi/works/qrencode/index.en.html), contains Reed-Solomon code written by Phil Karn, KA9Q. QR Code is registered trademark of DENSO WAVE INCORPORATED (http://www.denso-wave.com/qrcode/index-e.html). Please read comments on this class source file for full copyright and license information.




Tags:

author:  Nicola Asuni
version:  1.0.003
copyright:  2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
link:  http://www.tcpdf.org
abstract:  Class for generating QR-code array for TCPDF.
license:  LGPL






MAX_STRUCTURED_SYMBOLS [line 212]

MAX_STRUCTURED_SYMBOLS = 16
Max number of symbols for structured mode


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N1 [line 221]

N1 = 3
Down point base value for case 1 mask pattern (concatenation of same color in a line or a column)


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N2 [line 226]

N2 = 3
Down point base value for case 2 mask pattern (module block of same color)


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N3 [line 231]

N3 = 40
Down point base value for case 3 mask pattern (1:1:3:1:1(dark:bright:dark:bright:dark)pattern in a line or a column)


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N4 [line 236]

N4 = 10
Down point base value for case 4 mask pattern (ration of dark modules in whole)


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QRCAP_EC [line 198]

QRCAP_EC = 3
Matrix index to get error correction level from $capacity array.


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QRCAP_REMINDER [line 193]

QRCAP_REMINDER = 2
Matrix index to get remainder from $capacity array.


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QRCAP_WIDTH [line 183]

QRCAP_WIDTH = 0
Matrix index to get width from $capacity array.


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QRCAP_WORDS [line 188]

QRCAP_WORDS = 1
Matrix index to get number of words from $capacity array.


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QRCODEDEFS [line 99]

QRCODEDEFS = true
Indicate that definitions for this class are set


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QRSPEC_VERSION_MAX [line 171]

QRSPEC_VERSION_MAX = 40
Maximum QR Code version.


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QRSPEC_WIDTH_MAX [line 176]

QRSPEC_WIDTH_MAX = 177
Maximum matrix size for maximum version (version 40 is 177*177 matrix).


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QR_DEFAULT_MASK [line 255]

QR_DEFAULT_MASK = 2
when QR_FIND_BEST_MASK === false


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QR_ECLEVEL_H [line 159]

QR_ECLEVEL_H = 3
Error correction level H : About 30% or less errors can be corrected.


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QR_ECLEVEL_L [line 144]

QR_ECLEVEL_L = 0
Error correction level L : About 7% or less errors can be corrected.


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QR_ECLEVEL_M [line 149]

QR_ECLEVEL_M = 1
Error correction level M : About 15% or less errors can be corrected.


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QR_ECLEVEL_Q [line 154]

QR_ECLEVEL_Q = 2
Error correction level Q : About 25% or less errors can be corrected.


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QR_FIND_BEST_MASK [line 245]

QR_FIND_BEST_MASK = true
if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code


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QR_FIND_FROM_RANDOM [line 250]

QR_FIND_FROM_RANDOM = 2
if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly


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QR_MODE_8B [line 123]

QR_MODE_8B = 2
Encoding mode 8bit byte data. In theory, 2953 characters or less can be stored in a QRcode.


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QR_MODE_AN [line 118]

QR_MODE_AN = 1
Encoding mode alphanumeric (0-9A-Z $%*+-./:) 45characters. 2 characters are encoded to 11bit length. In theory, 4296 characters or less can be stored in a QRcode.


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QR_MODE_KJ [line 128]

QR_MODE_KJ = 3
Encoding mode KANJI. A KANJI character (multibyte character) is encoded to 13bit length. In theory, 1817 characters or less can be stored in a QRcode.


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QR_MODE_NL [line 108]

QR_MODE_NL = -1
Encoding mode


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QR_MODE_NM [line 113]

QR_MODE_NM = 0
Encoding mode numeric (0-9). 3 characters are encoded to 10bit length. In theory, 7089 characters or less can be stored in a QRcode.


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QR_MODE_ST [line 133]

QR_MODE_ST = 4
Encoding mode STRUCTURED (currently unsupported)


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STRUCTURE_HEADER_BITS [line 207]

STRUCTURE_HEADER_BITS = 20
Number of header bits for structured mode


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str_split [line 273]

If str_split( string $string, [int $split_length = 1])

Convert a string to an array (needed for PHP4 compatibility)



Tags:

return:  the optional split_length parameter is specified, the returned array will be broken down into chunks with each being split_length in length, otherwise each chunk will be one character in length. FALSE is returned if split_length is less than 1. If the split_length length exceeds the length of string , the entire string is returned as the first (and only) array element.


Parameters

string   $string   The input string.
int   $split_length   Maximum length of the chunk.
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Documentation generated on Thu, 27 May 2010 11:33:42 +0200 by phpDocumentor 1.4.3