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Base2DBarcode.php
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<?php
//============================================================+
// File name : 2dbarcodes.php
// Version : 1.0.013
// Begin : 2009-04-07
// Last Update : 2012-01-12
// Author : Nicola Asuni - Tecnick.com LTD - Manor Coach House, Church Hill, Aldershot, Hants, GU12 4RQ, UK - www.tecnick.com - [email protected]
// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
// -------------------------------------------------------------------
// Copyright (C) 2009-2012 Nicola Asuni - Tecnick.com LTD
//
// This file is part of TCPDF software library.
//
// TCPDF 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 (at your option) any later version.
//
// TCPDF 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 TCPDF. If not, see <http://www.gnu.org/licenses/>.
//
// See LICENSE.TXT file for more information.
// -------------------------------------------------------------------
//
// Description : PHP class to creates array representations for
// 2D barcodes to be used with TCPDF.
//
//============================================================+
namespace BG\Barcode;
include_once('modules/Datamatrix.php');
include_once('modules/PDF417.php');
include_once('modules/QRCode.php');
use BG\Barcode\Modules\PDF417,
BG\Barcode\Modules\Datamatrix,
BG\Barcode\Modules\QRCode;
/**
* class Base2DBarcode 1.0.0, based on 2dbarcodes.php v1.0.013 (Nicola Asuni)
*
* 2D matrix barcode base class
*
* @author Nicola Asuni
* @author Dinesh Rabara, https://github.com/dineshrabara
* @author Patrick Paechnatz, https://github.com/paterik
*/
class Base2DBarcode
{
/**
* Array representation of barcode.
*/
protected $barcodeArray = false;
/**
* path to save png in getBarcodePNGPath
* @var <type>
*/
public $savePath;
/**
* Return an array representations of barcode.
* @return array
*/
public function getBarcodeArray()
{
return $this->barcodeArray;
}
/**
* setup temporary path for barcode cache
*
* @param string $serverPath
*
* @throws \Exception
*/
public function setTempPath($serverPath)
{
try {
if (!file_exists($serverPath)) {
mkdir($serverPath, 0770, true);
}
} catch (\Exception $e) {
throw new \Exception("An error occurred while creating barcode cache directory at " . $serverPath);
}
}
/**
* get svg brcode (header stream)
*
* @param string $code
* @param string $type
* @param int $w
* @param int $h
* @param string $color
*/
public function getBarcodeSVG($code, $type, $w=3, $h=3, $color='black')
{
//set barcode code and type
$this->setBarcode($code, $type);
// send headers
$code = $this->getBarcodeSVGcode($w, $h, $color);
header('Content-Type: application/svg+xml');
header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
header('Pragma: public');
header('Expires: Sat, 12 Nov 1977 23:50:00 GMT'); // Date in the past
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Content-Disposition: inline; filename="' . md5($code) . '.svg";');
//header('Content-Length: '.strlen($code));
echo $code;
}
/**
* Return a Full Doctype SVG string representation of barcode.
*
* @param string $code
* @param string $type
* @param int $w
* @param int $h
* @param string $color
*
* @return string
*/
public function getBarcodeSVGcode($code, $type, $w=3, $h=3, $color='black')
{
return '<?xml version="1.0" standalone="no"?>' . "\n"
. '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' . "\n"
. $this->getRawBarcodeSVGcode($code, $type, $w=3, $h=3, $color='black');
}
/**
* Return an inline SVG string representation of barcode.
*
* @param string $code
* @param string $type
* @param int $w
* @param int $h
* @param string $color
*
* @return string
*/
public function getRawBarcodeSVGcode($code, $type, $w=3, $h=3, $color='black')
{
//set barcode code and type
$this->setBarcode($code, $type);
// replace table for special characters
$repstr = strtr($this->barcodeArray['code'], array("\0" => '', '&' => '&', '<' => '<', '>' => '>'));
$tw = round(($this->barcodeArray['num_cols'] * $w), 3);
$th = round(($this->barcodeArray['num_cols'] * $h), 3);
$svg = "
<svg viewBox=\"0 0 $tw $th\" width=\"$tw\" height=\"$th\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">
<desc>$repstr</desc>
<g id=\"elements\" fill=\"$color\" stroke=\"none\">
";
// print barcode elements
$y = 0;
// for each row
for ($r = 0; $r < $this->barcodeArray['num_rows']; ++$r) {
$x = 0;
// for each column
for ($c = 0; $c < $this->barcodeArray['num_cols']; ++$c) {
if ($this->barcodeArray['bcode'][$r][$c] == 1) {
// draw a single barcode cell
$svg .= "\t\t" . '<rect x="' . $x . '" y="' . $y . '" width="' . $w . '" height="' . $h . '" />' . "\n";
}
$x += $w;
}
$y += $h;
}
$svg .= "\t" . '</g>' . "\n";
$svg .= '</svg>' . "\n";
return $svg;
}
/**
* Return an HTML representation of barcode.
*
* @param string $code
* @param string $type
* @param int $w
* @param int $h
* @param string $color
*
* @return string
*/
public function getBarcodeHTML($code, $type, $w=10, $h=10, $color='black')
{
//set barcode code and type
$this->setBarcode($code, $type);
$html = '<div style="font-size:0;position:relative;width:' . ($w * $this->barcodeArray['num_cols']) . 'px;height:' . ($h * $this->barcodeArray['num_rows']) . 'px;">' . "\n";
// print barcode elements
$y = 0;
// for each row
for ($r = 0; $r < $this->barcodeArray['num_rows']; ++$r) {
$x = 0;
// for each column
for ($c = 0; $c < $this->barcodeArray['num_cols']; ++$c) {
if ($this->barcodeArray['bcode'][$r][$c] == 1) {
// draw a single barcode cell
$html .= '<div style="background-color:' . $color . ';width:' . $w . 'px;height:' . $h . 'px;position:absolute;left:' . $x . 'px;top:' . $y . 'px;"> </div>' . "\n";
}
$x += $w;
}
$y += $h;
}
$html .= '</div>' . "\n";
return $html;
}
/**
* Return a PNG image representation of barcode (requires GD or Imagick library).
*
* @param string $code
* @param string $type
* @param int $w
* @param int $h
* @param array $color
*
* @return bool
*/
public function getBarcodePNG($code, $type, $w=3, $h=3, $color=array(0, 0, 0))
{
//set barcode code and type
$this->setBarcode($code, $type);
$bar = null;
// calculate image size
$width = ($this->barcodeArray['num_cols'] * $w);
$height = ($this->barcodeArray['num_rows'] * $h);
if (function_exists('imagecreate')) {
// GD library
$imagick = false;
$png = imagecreate($width, $height);
$bgcol = imagecolorallocate($png, 255, 255, 255);
imagecolortransparent($png, $bgcol);
$fgcol = imagecolorallocate($png, $color[0], $color[1], $color[2]);
} elseif (extension_loaded('imagick')) {
$imagick = true;
$fgcol = new \imagickpixel('rgb(' . $color[0] . ',' . $color[1] . ',' . $color[2] . ')');
$png = new \Imagick();
$png->newImage($width, $height, 'none', 'png');
$bar = new \imagickdraw();
$bar->setFillColor($fgcol);
} else {
return false;
}
// print barcode elements
$y = 0;
// for each row
for ($r = 0; $r < $this->barcodeArray['num_rows']; ++$r) {
$x = 0;
// for each column
for ($c = 0; $c < $this->barcodeArray['num_cols']; ++$c) {
if ($this->barcodeArray['bcode'][$r][$c] == 1) {
// draw a single barcode cell
if ($imagick) {
$bar->rectangle($x, $y, ($x + $w), ($y + $h));
} else {
imagefilledrectangle($png, $x, $y, ($x + $w), ($y + $h), $fgcol);
}
}
$x += $w;
}
$y += $h;
}
// send headers
header('Content-Type: image/png');
header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
header('Pragma: public');
header('Expires: Sat, 12 Nov 1977 23:50:00 GMT'); // Date in the past
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
if ($imagick) {
$png->drawimage($bar);
echo $png;
} else {
imagepng($png);
imagedestroy($png);
}
return true;
}
/**
* return filename from give path
*
* @todo: refactor this, move method in some kind of utility class
*
* @param string $path
*
* @return mixed
*/
public function getBarcodeFilenameFromGenPath($path)
{
$bcPathArr = explode('/', $path);
return $bcPathArr[count($bcPathArr)-1];
}
/**
* Return a .png file path which create in server
*
* @param string $code
* @param string $type
* @param int $w
* @param int $h
* @param array $color
*
* @throws \Exception
*
* @return bool
*/
public function getBarcodePNGPath($code, $type, $name, $w=3, $h=3, $color=array(0, 0, 0))
{
//set barcode code and type
$this->setBarcode($code, $type);
$bar = null;
if (empty($this->barcodeArray) || (!$this->barcodeArray)) {
throw new \Exception('It not possible to generate barcode of type: '.$type.' for number/code: '.$code.'! May be this is an invalid code pattern!');
}
// calculate image size
$width = ($this->barcodeArray['num_cols'] * $w);
$height = ($this->barcodeArray['num_rows'] * $h);
if (function_exists('imagecreate')) {
// GD library
$imagick = false;
$png = imagecreate($width, $height);
$bgcol = imagecolorallocate($png, 255, 255, 255);
imagecolortransparent($png, $bgcol);
$fgcol = imagecolorallocate($png, $color[0], $color[1], $color[2]);
} elseif (extension_loaded('imagick')) {
$imagick = true;
$fgcol = new \imagickpixel('rgb(' . $color[0] . ',' . $color[1] . ',' . $color[2] . ')');
$png = new \Imagick();
$png->newImage($width, $height, 'none', 'png');
$bar = new \imagickdraw();
$bar->setFillColor($fgcol);
} else {
return false;
}
// print barcode elements
$y = 0;
// for each row
for ($r = 0; $r < $this->barcodeArray['num_rows']; ++$r) {
$x = 0;
// for each column
for ($c = 0; $c < $this->barcodeArray['num_cols']; ++$c) {
if ($this->barcodeArray['bcode'][$r][$c] == 1) {
// draw a single barcode cell
if ($imagick) {
$bar->rectangle($x, $y, ($x + $w), ($y + $h));
} else {
imagefilledrectangle($png, $x, $y, ($x + $w), ($y + $h), $fgcol);
}
}
$x += $w;
}
$y += $h;
}
$nType = str_replace('+', 'PLUS', $type);
$this->setTempPath($this->savePath);
$saveFile = $this->checkfile($this->savePath . $nType . '_' . $name . '.png', true);
if ($imagick) {
$png->drawImage($bar);
$png->writeImage($saveFile);
return $saveFile;
}
// ImagePng : weazL
if (imagepng($png, $saveFile)) {
imagedestroy($png);
return $saveFile;
} else {
imagedestroy($png);
throw new \Exception('It not possible to write barcode cache file to path '.$this->savePath);
}
}
/**
* Set the barcode.
*
* @param string $code
* @param string $type
*/
public function setBarcode($code, $type)
{
$mode = explode(',', $type);
$qrtype = strtoupper($mode[0]);
switch ($qrtype) {
case 'DATAMATRIX': // DATAMATRIX (ISO/IEC 16022)
$qrcode = new Datamatrix($code);
$this->barcodeArray = $qrcode->getBarcodeArray();
$this->barcodeArray['code'] = $code;
break;
case 'PDF417': // PDF417 (ISO/IEC 15438:2006)
if (!isset($mode[1]) || ($mode[1] === '')) {
$aspectratio = 2; // default aspect ratio (width / height)
} else {
$aspectratio = floatval($mode[1]);
}
if (!isset($mode[2]) || ($mode[2] === '')) {
$ecl = -1; // default error correction level (auto)
} else {
$ecl = intval($mode[2]);
}
// set macro block
$macro = array();
if (isset($mode[3]) && ($mode[3] !== '') && isset($mode[4]) && ($mode[4] !== '') && isset($mode[5]) && ($mode[5] !== '')) {
$macro['segment_total'] = intval($mode[3]);
$macro['segment_index'] = intval($mode[4]);
$macro['file_id'] = strtr($mode[5], "\xff", ',');
for ($i = 0; $i < 7; ++$i) {
$o = $i + 6;
if (isset($mode[$o]) && ($mode[$o] !== '')) {
// add option
$macro['option_' . $i] = strtr($mode[$o], "\xff", ',');
}
}
}
$qrcode = new PDF417($code, $ecl, $aspectratio, $macro);
$this->barcodeArray = $qrcode->getBarcodeArray();
$this->barcodeArray['code'] = $code;
break;
case 'QRCODE': // QR-CODE
if (!isset($mode[1]) || (!in_array($mode[1], array('L', 'M', 'Q', 'H')))) {
$mode[1] = 'L'; // Ddefault: Low error correction
}
$qrcode = new QRCode($code, strtoupper($mode[1]));
$this->barcodeArray = $qrcode->getBarcodeArray();
$this->barcodeArray['code'] = $code;
break;
case 'RAW':
case 'RAW2': // RAW MODE
// remove spaces
$code = preg_replace('/[\s]*/si', '', $code);
if (strlen($code) < 3) {
break;
}
if ($qrtype == 'RAW') {
// comma-separated rows
$rows = explode(',', $code);
} else {
// rows enclosed in square parentheses
$code = substr($code, 1, -1);
$rows = explode('][', $code);
}
$this->barcodeArray['num_rows'] = count($rows);
$this->barcodeArray['num_cols'] = strlen($rows[0]);
$this->barcodeArray['bcode'] = array();
foreach ($rows as $r) {
$this->barcodeArray['bcode'][] = str_split($r, 1);
}
$this->barcodeArray['code'] = $code;
break;
default:
$this->barcodeArray = false;
break;
}
}
/**
* unlink old barcode image file or optional rand prefix file
*
* @param string $path
* @param bool $overwrite
*
* @return mixed
*/
public function checkfile($path, $overwrite)
{
if (file_exists($path)) {
if (!$overwrite) {
$baseName = pathinfo($path, PATHINFO_BASENAME);
return $this->checkfile(str_replace($baseName, rand(0, 9999) . $baseName, $path), $overwrite);
} else {
unlink($path);
}
}
return $path;
}
}