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<?php |
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// Copyright (C) 2002-2015 Nicola Asuni - Tecnick.com LTD |
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// |
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// This file is part of TCPDF software library. |
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// |
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// TCPDF is free software: you can redistribute it and/or modify it |
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// under the terms of the GNU Lesser General Public License as |
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// published by the Free Software Foundation, either version 3 of the |
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// License, or (at your option) any later version. |
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// |
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// TCPDF is distributed in the hope that it will be useful, but |
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// WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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// See the GNU Lesser General Public License for more details. |
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// |
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// You should have received a copy of the License |
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// along with TCPDF. If not, see |
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// <http://www.tecnick.com/pagefiles/tcpdf/LICENSE.TXT>. |
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// |
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// See LICENSE.TXT file for more information. |
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namespace CbCaio\Boletos\Generators\Base; |
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abstract class BarcodeGenerator |
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{ |
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const TYPE_INTERLEAVED_2_5 = 'I25'; |
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const TYPE_INTERLEAVED_2_5_CHECKSUM = 'I25+'; |
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/** |
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* Get the barcode data |
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* |
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* @param string $code code to print |
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* @param string $type type of barcode |
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* @return array barcode array |
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* @public |
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*/ |
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protected function getBarcodeData($code, $type) |
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{ |
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switch (strtoupper($type)) |
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{ |
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case self::TYPE_INTERLEAVED_2_5: |
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// Interleaved 2 of 5 |
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$arrcode = $this->barcode_i25($code, FALSE); |
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break; |
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case self::TYPE_INTERLEAVED_2_5_CHECKSUM: |
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// Interleaved 2 of 5 + CHECKSUM |
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$arrcode = $this->barcode_i25($code, TRUE); |
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break; |
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default: |
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$arrcode = FALSE; |
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break; |
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} |
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$arrcode = $this->convertBarcodeArrayToNewStyle($arrcode); |
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return $arrcode; |
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} |
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/** |
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* Interleaved 2 of 5 barcodes. |
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* Compact numeric code, widely used in industry, air cargo |
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* Contains digits (0 to 9) and encodes the data in the width of both bars and spaces. |
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* |
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* @param string $code (string) code to represent. |
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* @param $checksum (boolean) if true add a checksum to the code |
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* @return array barcode representation. |
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* @protected |
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*/ |
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protected function barcode_i25($code, $checksum = FALSE) |
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{ |
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$chr = array(); |
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$chr['0'] = '11221'; |
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$chr['1'] = '21112'; |
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$chr['2'] = '12112'; |
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$chr['3'] = '22111'; |
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$chr['4'] = '11212'; |
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$chr['5'] = '21211'; |
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$chr['6'] = '12211'; |
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$chr['7'] = '11122'; |
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$chr['8'] = '21121'; |
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$chr['9'] = '12121'; |
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$chr['A'] = '11'; |
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$chr['Z'] = '21'; |
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if ($checksum) |
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{ |
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// add checksum |
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$code .= $this->checksum_s25($code); |
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} |
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if ((strlen($code) % 2) != 0) |
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{ |
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// add leading zero if code-length is odd |
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$code = '0' . $code; |
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} |
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// add start and stop codes |
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$code = 'AA' . strtolower($code) . 'ZA'; |
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$bararray = ['code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => []]; |
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$k = 0; |
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$clen = strlen($code); |
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for ($i = 0; $i < $clen; $i = ($i + 2)) |
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{ |
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$char_bar = $code{$i}; |
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$char_space = $code{$i + 1}; |
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if ((!isset($chr[ $char_bar ])) || (!isset($chr[ $char_space ]))) |
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{ |
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// invalid character |
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return FALSE; |
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} |
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// create a bar-space sequence |
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$seq = ''; |
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$chrlen = strlen($chr[ $char_bar ]); |
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for ($s = 0; $s < $chrlen; $s++) |
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{ |
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$seq .= $chr[ $char_bar ]{$s} . $chr[ $char_space ]{$s}; |
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} |
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$seqlen = strlen($seq); |
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for ($j = 0; $j < $seqlen; ++$j) |
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{ |
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if (($j % 2) == 0) |
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{ |
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$t = TRUE; // bar |
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} else |
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{ |
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$t = FALSE; // space |
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} |
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$w = $seq{$j}; |
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$bararray['bcode'][ $k ] = ['t' => $t, 'w' => $w, 'h' => 1, 'p' => 0]; |
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$bararray['maxw'] += $w; |
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++$k; |
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} |
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} |
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return $bararray; |
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} |
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/** |
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* Checksum for standard 2 of 5 barcodes. |
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* |
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* @param string $code (string) code to process. |
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* @return int checksum. |
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* @protected |
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*/ |
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protected function checksum_s25($code) |
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{ |
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$len = strlen($code); |
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$sum = 0; |
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for ($i = 0; $i < $len; $i += 2) |
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{ |
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$sum += $code{$i}; |
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} |
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$sum *= 3; |
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for ($i = 1; $i < $len; $i += 2) |
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{ |
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$sum += ($code{$i}); |
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} |
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$r = $sum % 10; |
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if ($r > 0) |
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{ |
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$r = (10 - $r); |
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} |
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return $r; |
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} |
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protected function convertBarcodeArrayToNewStyle($oldBarcodeArray) |
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{ |
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$newBarcodeArray = []; |
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$newBarcodeArray['code'] = $oldBarcodeArray['code']; |
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$newBarcodeArray['maxWidth'] = $oldBarcodeArray['maxw']; |
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$newBarcodeArray['maxHeight'] = $oldBarcodeArray['maxh']; |
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$newBarcodeArray['bars'] = []; |
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foreach ($oldBarcodeArray['bcode'] as $oldbar) |
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{ |
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$newBar = []; |
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$newBar['width'] = $oldbar['w']; |
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$newBar['height'] = $oldbar['h']; |
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$newBar['positionVertical'] = $oldbar['p']; |
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$newBar['drawBar'] = $oldbar['t']; |
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$newBar['drawSpacing'] = !$oldbar['t']; |
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$newBarcodeArray['bars'][] = $newBar; |
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} |
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return $newBarcodeArray; |
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} |
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} |
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CbCaio /
Boletos-Laravel
