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Signed-off-by: kevinowino869 <kevinowino869@www.codelab.nestict.africa>
This commit is contained in:
kevinowino869 2025-04-13 12:51:14 +02:00
parent a3c501d7e0
commit 48db0b5939
5 changed files with 847 additions and 0 deletions
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180
qrcode/qrbitstream.php Normal file
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<?php
/*
* PHP QR Code encoder
*
* Bitstream class
*
* Based on libqrencode C library distributed under LGPL 2.1
* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
*
* 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
*/
class QRbitstream {
public $data = array();
//----------------------------------------------------------------------
public function size()
{
return count($this->data);
}
//----------------------------------------------------------------------
public function allocate($setLength)
{
$this->data = array_fill(0, $setLength, 0);
return 0;
}
//----------------------------------------------------------------------
public static function newFromNum($bits, $num)
{
$bstream = new QRbitstream();
$bstream->allocate($bits);
$mask = 1 << ($bits - 1);
for($i=0; $i<$bits; $i++) {
if($num & $mask) {
$bstream->data[$i] = 1;
} else {
$bstream->data[$i] = 0;
}
$mask = $mask >> 1;
}
return $bstream;
}
//----------------------------------------------------------------------
public static function newFromBytes($size, $data)
{
$bstream = new QRbitstream();
$bstream->allocate($size * 8);
$p=0;
for($i=0; $i<$size; $i++) {
$mask = 0x80;
for($j=0; $j<8; $j++) {
if($data[$i] & $mask) {
$bstream->data[$p] = 1;
} else {
$bstream->data[$p] = 0;
}
$p++;
$mask = $mask >> 1;
}
}
return $bstream;
}
//----------------------------------------------------------------------
public function append(QRbitstream $arg)
{
if (is_null($arg)) {
return -1;
}
if($arg->size() == 0) {
return 0;
}
if($this->size() == 0) {
$this->data = $arg->data;
return 0;
}
$this->data = array_values(array_merge($this->data, $arg->data));
return 0;
}
//----------------------------------------------------------------------
public function appendNum($bits, $num)
{
if ($bits == 0)
return 0;
$b = QRbitstream::newFromNum($bits, $num);
if(is_null($b))
return -1;
$ret = $this->append($b);
unset($b);
return $ret;
}
//----------------------------------------------------------------------
public function appendBytes($size, $data)
{
if ($size == 0)
return 0;
$b = QRbitstream::newFromBytes($size, $data);
if(is_null($b))
return -1;
$ret = $this->append($b);
unset($b);
return $ret;
}
//----------------------------------------------------------------------
public function toByte()
{
$size = $this->size();
if($size == 0) {
return array();
}
$data = array_fill(0, (int)(($size + 7) / 8), 0);
$bytes = (int)($size / 8);
$p = 0;
for($i=0; $i<$bytes; $i++) {
$v = 0;
for($j=0; $j<8; $j++) {
$v = $v << 1;
$v |= $this->data[$p];
$p++;
}
$data[$i] = $v;
}
if($size & 7) {
$v = 0;
for($j=0; $j<($size & 7); $j++) {
$v = $v << 1;
$v |= $this->data[$p];
$p++;
}
$data[$bytes] = $v;
}
return $data;
}
}

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qrcode/qrconfig.php Normal file
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<?php
/*
* PHP QR Code encoder
*
* Config file, feel free to modify
*/
define('QR_CACHEABLE', false); // use cache - more disk reads but less CPU power, masks and format templates are stored there
define('QR_CACHE_DIR', false); // used when QR_CACHEABLE === true
//define('QR_LOG_DIR', dirname(__FILE__).DIRECTORY_SEPARATOR); // default error logs dir
define('QR_LOG_DIR', false);
define('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
define('QR_FIND_FROM_RANDOM', false); // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly
define('QR_DEFAULT_MASK', 2); // when QR_FIND_BEST_MASK === false
define('QR_PNG_MAXIMUM_SIZE', 1024); // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images

54
qrcode/qrconst.php Normal file
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<?php
/*
* PHP QR Code encoder
*
* Common constants
*
* Based on libqrencode C library distributed under LGPL 2.1
* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
*
* 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
*/
// Encoding modes
define('QR_MODE_NUL', -1);
define('QR_MODE_NUM', 0);
define('QR_MODE_AN', 1);
define('QR_MODE_8', 2);
define('QR_MODE_KANJI', 3);
define('QR_MODE_STRUCTURE', 4);
// Levels of error correction.
define('QR_ECLEVEL_L', 0);
define('QR_ECLEVEL_M', 1);
define('QR_ECLEVEL_Q', 2);
define('QR_ECLEVEL_H', 3);
// Supported output formats
define('QR_FORMAT_TEXT', 0);
define('QR_FORMAT_PNG', 1);
class qrstr {
public static function set(&$srctab, $x, $y, $repl, $replLen = false) {
$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));
}
}

502
qrcode/qrencode.php Normal file
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<?php
/*
* PHP QR Code encoder
*
* Main encoder classes.
*
* Based on libqrencode C library distributed under LGPL 2.1
* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
*
* 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
*/
class QRrsblock {
public $dataLength;
public $data = array();
public $eccLength;
public $ecc = array();
public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)
{
$rs->encode_rs_char($data, $ecc);
$this->dataLength = $dl;
$this->data = $data;
$this->eccLength = $el;
$this->ecc = $ecc;
}
};
//##########################################################################
class QRrawcode {
public $version;
public $datacode = array();
public $ecccode = array();
public $blocks;
public $rsblocks = array(); //of RSblock
public $count;
public $dataLength;
public $eccLength;
public $b1;
//----------------------------------------------------------------------
public function __construct(QRinput $input)
{
$spec = array(0,0,0,0,0);
$this->datacode = $input->getByteStream();
if(is_null($this->datacode)) {
throw new Exception('null imput string');
}
QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);
$this->version = $input->getVersion();
$this->b1 = QRspec::rsBlockNum1($spec);
$this->dataLength = QRspec::rsDataLength($spec);
$this->eccLength = QRspec::rsEccLength($spec);
$this->ecccode = array_fill(0, $this->eccLength, 0);
$this->blocks = QRspec::rsBlockNum($spec);
$ret = $this->init($spec);
if($ret < 0) {
throw new Exception('block alloc error');
return null;
}
$this->count = 0;
}
//----------------------------------------------------------------------
public function init(array $spec)
{
$dl = QRspec::rsDataCodes1($spec);
$el = QRspec::rsEccCodes1($spec);
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
$blockNo = 0;
$dataPos = 0;
$eccPos = 0;
for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {
$ecc = array_slice($this->ecccode,$eccPos);
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
$dataPos += $dl;
$eccPos += $el;
$blockNo++;
}
if(QRspec::rsBlockNum2($spec) == 0)
return 0;
$dl = QRspec::rsDataCodes2($spec);
$el = QRspec::rsEccCodes2($spec);
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
if($rs == NULL) return -1;
for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {
$ecc = array_slice($this->ecccode,$eccPos);
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
$dataPos += $dl;
$eccPos += $el;
$blockNo++;
}
return 0;
}
//----------------------------------------------------------------------
public function getCode()
{
$ret;
if($this->count < $this->dataLength) {
$row = $this->count % $this->blocks;
$col = $this->count / $this->blocks;
if($col >= $this->rsblocks[0]->dataLength) {
$row += $this->b1;
}
$ret = $this->rsblocks[$row]->data[$col];
} else if($this->count < $this->dataLength + $this->eccLength) {
$row = ($this->count - $this->dataLength) % $this->blocks;
$col = ($this->count - $this->dataLength) / $this->blocks;
$ret = $this->rsblocks[$row]->ecc[$col];
} else {
return 0;
}
$this->count++;
return $ret;
}
}
//##########################################################################
class QRcode {
public $version;
public $width;
public $data;
//----------------------------------------------------------------------
public function encodeMask(QRinput $input, $mask)
{
if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {
throw new Exception('wrong version');
}
if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {
throw new Exception('wrong level');
}
$raw = new QRrawcode($input);
QRtools::markTime('after_raw');
$version = $raw->version;
$width = QRspec::getWidth($version);
$frame = QRspec::newFrame($version);
$filler = new FrameFiller($width, $frame);
if(is_null($filler)) {
return NULL;
}
// inteleaved data and ecc codes
for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {
$code = $raw->getCode();
$bit = 0x80;
for($j=0; $j<8; $j++) {
$addr = $filler->next();
$filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));
$bit = $bit >> 1;
}
}
QRtools::markTime('after_filler');
unset($raw);
// remainder bits
$j = QRspec::getRemainder($version);
for($i=0; $i<$j; $i++) {
$addr = $filler->next();
$filler->setFrameAt($addr, 0x02);
}
$frame = $filler->frame;
unset($filler);
// masking
$maskObj = new QRmask();
if($mask < 0) {
if (QR_FIND_BEST_MASK) {
$masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());
} else {
$masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());
}
} else {
$masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());
}
if($masked == NULL) {
return NULL;
}
QRtools::markTime('after_mask');
$this->version = $version;
$this->width = $width;
$this->data = $masked;
return $this;
}
//----------------------------------------------------------------------
public function encodeInput(QRinput $input)
{
return $this->encodeMask($input, -1);
}
//----------------------------------------------------------------------
public function encodeString8bit($string, $version, $level)
{
if(string == NULL) {
throw new Exception('empty string!');
return NULL;
}
$input = new QRinput($version, $level);
if($input == NULL) return NULL;
$ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));
if($ret < 0) {
unset($input);
return NULL;
}
return $this->encodeInput($input);
}
//----------------------------------------------------------------------
public function encodeString($string, $version, $level, $hint, $casesensitive)
{
if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {
throw new Exception('bad hint');
return NULL;
}
$input = new QRinput($version, $level);
if($input == NULL) return NULL;
$ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);
if($ret < 0) {
return NULL;
}
return $this->encodeInput($input);
}
//----------------------------------------------------------------------
public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encodePNG($text, $outfile, $saveandprint=false);
}
//----------------------------------------------------------------------
public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encode($text, $outfile);
}
//----------------------------------------------------------------------
public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encodeRAW($text, $outfile);
}
}
//##########################################################################
class FrameFiller {
public $width;
public $frame;
public $x;
public $y;
public $dir;
public $bit;
//----------------------------------------------------------------------
public function __construct($width, &$frame)
{
$this->width = $width;
$this->frame = $frame;
$this->x = $width - 1;
$this->y = $width - 1;
$this->dir = -1;
$this->bit = -1;
}
//----------------------------------------------------------------------
public function setFrameAt($at, $val)
{
$this->frame[$at['y']][$at['x']] = chr($val);
}
//----------------------------------------------------------------------
public function getFrameAt($at)
{
return ord($this->frame[$at['y']][$at['x']]);
}
//----------------------------------------------------------------------
public function next()
{
do {
if($this->bit == -1) {
$this->bit = 0;
return array('x'=>$this->x, 'y'=>$this->y);
}
$x = $this->x;
$y = $this->y;
$w = $this->width;
if($this->bit == 0) {
$x--;
$this->bit++;
} else {
$x++;
$y += $this->dir;
$this->bit--;
}
if($this->dir < 0) {
if($y < 0) {
$y = 0;
$x -= 2;
$this->dir = 1;
if($x == 6) {
$x--;
$y = 9;
}
}
} else {
if($y == $w) {
$y = $w - 1;
$x -= 2;
$this->dir = -1;
if($x == 6) {
$x--;
$y -= 8;
}
}
}
if($x < 0 || $y < 0) return null;
$this->x = $x;
$this->y = $y;
} while(ord($this->frame[$y][$x]) & 0x80);
return array('x'=>$x, 'y'=>$y);
}
} ;
//##########################################################################
class QRencode {
public $casesensitive = true;
public $eightbit = false;
public $version = 0;
public $size = 3;
public $margin = 4;
public $structured = 0; // not supported yet
public $level = QR_ECLEVEL_L;
public $hint = QR_MODE_8;
//----------------------------------------------------------------------
public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = new QRencode();
$enc->size = $size;
$enc->margin = $margin;
switch ($level.'') {
case '0':
case '1':
case '2':
case '3':
$enc->level = $level;
break;
case 'l':
case 'L':
$enc->level = QR_ECLEVEL_L;
break;
case 'm':
case 'M':
$enc->level = QR_ECLEVEL_M;
break;
case 'q':
case 'Q':
$enc->level = QR_ECLEVEL_Q;
break;
case 'h':
case 'H':
$enc->level = QR_ECLEVEL_H;
break;
}
return $enc;
}
//----------------------------------------------------------------------
public function encodeRAW($intext, $outfile = false)
{
$code = new QRcode();
if($this->eightbit) {
$code->encodeString8bit($intext, $this->version, $this->level);
} else {
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
}
return $code->data;
}
//----------------------------------------------------------------------
public function encode($intext, $outfile = false)
{
$code = new QRcode();
if($this->eightbit) {
$code->encodeString8bit($intext, $this->version, $this->level);
} else {
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
}
QRtools::markTime('after_encode');
if ($outfile!== false) {
file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));
} else {
return QRtools::binarize($code->data);
}
}
//----------------------------------------------------------------------
public function encodePNG($intext, $outfile = false,$saveandprint=false)
{
try {
ob_start();
$tab = $this->encode($intext);
$err = ob_get_contents();
ob_end_clean();
if ($err != '')
QRtools::log($outfile, $err);
$maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));
QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);
} catch (Exception $e) {
QRtools::log($outfile, $e->getMessage());
}
}
}

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<?php
/*
* PHP QR Code encoder
*
* Image output of code using GD2
*
* 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('QR_IMAGE', true);
class QRimage {
//----------------------------------------------------------------------
public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE)
{
$image = self::image($frame, $pixelPerPoint, $outerFrame);
if ($filename === false) {
Header("Content-type: image/png");
ImagePng($image);
} else {
if($saveandprint===TRUE){
ImagePng($image, $filename);
header("Content-type: image/png");
ImagePng($image);
}else{
ImagePng($image, $filename);
}
}
ImageDestroy($image);
}
//----------------------------------------------------------------------
public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85)
{
$image = self::image($frame, $pixelPerPoint, $outerFrame);
if ($filename === false) {
Header("Content-type: image/jpeg");
ImageJpeg($image, null, $q);
} else {
ImageJpeg($image, $filename, $q);
}
ImageDestroy($image);
}
//----------------------------------------------------------------------
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4)
{
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2*$outerFrame;
$imgH = $h + 2*$outerFrame;
$base_image =ImageCreate($imgW, $imgH);
$col[0] = ImageColorAllocate($base_image,255,255,255);
$col[1] = ImageColorAllocate($base_image,0,0,0);
imagefill($base_image, 0, 0, $col[0]);
for($y=0; $y<$h; $y++) {
for($x=0; $x<$w; $x++) {
if ($frame[$y][$x] == '1') {
ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]);
}
}
}
$target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
ImageDestroy($base_image);
return $target_image;
}
}