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-rw-r--r--lib/phpqrcode/qrmask.php328
1 files changed, 0 insertions, 328 deletions
diff --git a/lib/phpqrcode/qrmask.php b/lib/phpqrcode/qrmask.php
deleted file mode 100644
index 43d653ce3..000000000
--- a/lib/phpqrcode/qrmask.php
+++ /dev/null
@@ -1,328 +0,0 @@
-<?php
-/*
- * PHP QR Code encoder
- *
- * Masking
- *
- * Based on libqrencode C library distributed under LGPL 2.1
- * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <[email protected]>
- *
- * PHP QR Code is distributed under LGPL 3
- * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
- *
- * 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 3 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
- */
-
- define('N1', 3);
- define('N2', 3);
- define('N3', 40);
- define('N4', 10);
-
- class QRmask {
-
- public $runLength = array();
-
- //----------------------------------------------------------------------
- public function __construct()
- {
- $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);
- }
-
- //----------------------------------------------------------------------
- public function writeFormatInformation($width, &$frame, $mask, $level)
- {
- $blacks = 0;
- $format = QRspec::getFormatInfo($mask, $level);
-
- for($i=0; $i<8; $i++) {
- if($format & 1) {
- $blacks += 2;
- $v = 0x85;
- } else {
- $v = 0x84;
- }
-
- $frame[8][$width - 1 - $i] = chr($v);
- if($i < 6) {
- $frame[$i][8] = chr($v);
- } else {
- $frame[$i + 1][8] = chr($v);
- }
- $format = $format >> 1;
- }
-
- for($i=0; $i<7; $i++) {
- if($format & 1) {
- $blacks += 2;
- $v = 0x85;
- } else {
- $v = 0x84;
- }
-
- $frame[$width - 7 + $i][8] = chr($v);
- if($i == 0) {
- $frame[8][7] = chr($v);
- } else {
- $frame[8][6 - $i] = chr($v);
- }
-
- $format = $format >> 1;
- }
-
- return $blacks;
- }
-
- //----------------------------------------------------------------------
- public function mask0($x, $y) { return ($x+$y)&1; }
- public function mask1($x, $y) { return ($y&1); }
- public function mask2($x, $y) { return ($x%3); }
- public function mask3($x, $y) { return ($x+$y)%3; }
- public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }
- public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3; }
- public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1; }
- public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1; }
-
- //----------------------------------------------------------------------
- private function generateMaskNo($maskNo, $width, $frame)
- {
- $bitMask = array_fill(0, $width, array_fill(0, $width, 0));
-
- for($y=0; $y<$width; $y++) {
- for($x=0; $x<$width; $x++) {
- if(ord($frame[$y][$x]) & 0x80) {
- $bitMask[$y][$x] = 0;
- } else {
- $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
- $bitMask[$y][$x] = ($maskFunc == 0)?1:0;
- }
-
- }
- }
-
- return $bitMask;
- }
-
- //----------------------------------------------------------------------
- public static function serial($bitFrame)
- {
- $codeArr = array();
-
- foreach ($bitFrame as $line)
- $codeArr[] = join('', $line);
-
- return gzcompress(join("\n", $codeArr), 9);
- }
-
- //----------------------------------------------------------------------
- public static function unserial($code)
- {
- $codeArr = array();
-
- $codeLines = explode("\n", gzuncompress($code));
- foreach ($codeLines as $line)
- $codeArr[] = str_split($line);
-
- return $codeArr;
- }
-
- //----------------------------------------------------------------------
- public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false)
- {
- $b = 0;
- $bitMask = array();
-
- $fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';
-
- if (QR_CACHEABLE) {
- if (file_exists($fileName)) {
- $bitMask = self::unserial(file_get_contents($fileName));
- } else {
- $bitMask = $this->generateMaskNo($maskNo, $width, $s);
- if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))
- mkdir(QR_CACHE_DIR.'mask_'.$maskNo);
- file_put_contents($fileName, self::serial($bitMask));
- }
- } else {
- $bitMask = $this->generateMaskNo($maskNo, $width, $s);
- }
-
- if ($maskGenOnly)
- return;
-
- $d = $s;
-
- for($y=0; $y<$width; $y++) {
- for($x=0; $x<$width; $x++) {
- if($bitMask[$y][$x] == 1) {
- $d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);
- }
- $b += (int)(ord($d[$y][$x]) & 1);
- }
- }
-
- return $b;
- }
-
- //----------------------------------------------------------------------
- public function makeMask($width, $frame, $maskNo, $level)
- {
- $masked = array_fill(0, $width, str_repeat("\0", $width));
- $this->makeMaskNo($maskNo, $width, $frame, $masked);
- $this->writeFormatInformation($width, $masked, $maskNo, $level);
-
- return $masked;
- }
-
- //----------------------------------------------------------------------
- public function calcN1N3($length)
- {
- $demerit = 0;
-
- for($i=0; $i<$length; $i++) {
-
- if($this->runLength[$i] >= 5) {
- $demerit += (N1 + ($this->runLength[$i] - 5));
- }
- if($i & 1) {
- if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {
- $fact = (int)($this->runLength[$i] / 3);
- if(($this->runLength[$i-2] == $fact) &&
- ($this->runLength[$i-1] == $fact) &&
- ($this->runLength[$i+1] == $fact) &&
- ($this->runLength[$i+2] == $fact)) {
- if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {
- $demerit += N3;
- } else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {
- $demerit += N3;
- }
- }
- }
- }
- }
- return $demerit;
- }
-
- //----------------------------------------------------------------------
- public function evaluateSymbol($width, $frame)
- {
- $head = 0;
- $demerit = 0;
-
- for($y=0; $y<$width; $y++) {
- $head = 0;
- $this->runLength[0] = 1;
-
- $frameY = $frame[$y];
-
- if ($y>0)
- $frameYM = $frame[$y-1];
-
- for($x=0; $x<$width; $x++) {
- if(($x > 0) && ($y > 0)) {
- $b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);
- $w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);
-
- if(($b22 | ($w22 ^ 1))&1) {
- $demerit += N2;
- }
- }
- if(($x == 0) && (ord($frameY[$x]) & 1)) {
- $this->runLength[0] = -1;
- $head = 1;
- $this->runLength[$head] = 1;
- } else if($x > 0) {
- if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {
- $head++;
- $this->runLength[$head] = 1;
- } else {
- $this->runLength[$head]++;
- }
- }
- }
-
- $demerit += $this->calcN1N3($head+1);
- }
-
- for($x=0; $x<$width; $x++) {
- $head = 0;
- $this->runLength[0] = 1;
-
- for($y=0; $y<$width; $y++) {
- if($y == 0 && (ord($frame[$y][$x]) & 1)) {
- $this->runLength[0] = -1;
- $head = 1;
- $this->runLength[$head] = 1;
- } else if($y > 0) {
- if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {
- $head++;
- $this->runLength[$head] = 1;
- } else {
- $this->runLength[$head]++;
- }
- }
- }
-
- $demerit += $this->calcN1N3($head+1);
- }
-
- return $demerit;
- }
-
-
- //----------------------------------------------------------------------
- public function mask($width, $frame, $level)
- {
- $minDemerit = PHP_INT_MAX;
- $bestMaskNum = 0;
- $bestMask = array();
-
- $checked_masks = array(0,1,2,3,4,5,6,7);
-
- if (QR_FIND_FROM_RANDOM !== false) {
-
- $howManuOut = 8-(QR_FIND_FROM_RANDOM % 9);
- for ($i = 0; $i < $howManuOut; $i++) {
- $remPos = rand (0, count($checked_masks)-1);
- unset($checked_masks[$remPos]);
- $checked_masks = array_values($checked_masks);
- }
-
- }
-
- $bestMask = $frame;
-
- foreach($checked_masks as $i) {
- $mask = array_fill(0, $width, str_repeat("\0", $width));
-
- $demerit = 0;
- $blacks = 0;
- $blacks = $this->makeMaskNo($i, $width, $frame, $mask);
- $blacks += $this->writeFormatInformation($width, $mask, $i, $level);
- $blacks = (int)(100 * $blacks / ($width * $width));
- $demerit = (int)((int)(abs($blacks - 50) / 5) * N4);
- $demerit += $this->evaluateSymbol($width, $mask);
-
- if($demerit < $minDemerit) {
- $minDemerit = $demerit;
- $bestMask = $mask;
- $bestMaskNum = $i;
- }
- }
-
- return $bestMask;
- }
-
- //----------------------------------------------------------------------
- }
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