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<?php /* This file is part of EAN128-4php. EAN128-4php is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. EAN128-4php 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 General Public License for more details. You should have received a copy of the GNU General Public License along with EAN128-4php. If not, see <http://www.gnu.org/licenses/>. Copyright 2012 Marc Carné / / ******************************************************************** / / COLORS / / ******************************************************************** / $bar_color=Array(0,0,0); $bg_color=Array(255,255,255); $text_color=Array(0,0,0); / ******************************************************************** / / FONT / / ******************************************************************** / $font_loc=dirname(__FILE__)."/"."FreeSans.ttf"; / ******************************************************************** / / ENCODING MAPS / / ******************************************************************** / include_once('encodings/Code128C_encoding.php'); class EAN1284php { function __construct() { } function barcode_outputfile($image, $filename, $mode) { / output the image / $mode=strtolower($mode); if ($mode=='jpg' \|\| $mode=='jpeg'){ $filename = $filename . ".jpg"; imagejpeg($image,$filename); } else if ($mode=='gif'){ $filename = $filename . ".gif"; imagegif($image, $filename); } else { $filename = $filename . ".png"; imagepng($image, $filename); } } function barcode_outimage($text, $bars, $scale = 1, $mode = "png",$total_y = 0, $space = '', $filename) { / we're going to use these globals / global $bar_color, $bg_color, $text_color; global $font_loc; / set defaults if not specified / if ($scale<1) $scale=2; $total_y=38; if ($total_y<1) $total_y=(int)$scale 60; if (!$space) $space=array('top'=>2$scale,'bottom'=>2$scale,'left'=>2$scale,'right'=>2$scale); /* count total width based on the number of bars we need to paint / $xpos=0; for ($i=0;$i<strlen($bars);$i++){ $xpos+=1$scale; $width=true; } /* allocate the image / $total_x=( $xpos )+$space['right']+$space['right']; $xpos=0; if (!function_exists("imagecreate")){ // GD is not installed or enabled print "You don't have the gd2 extension enabled\n"; return ""; } $im=imagecreate($total_x, $total_y); / create image stuff / $col_bg=ImageColorAllocate($im,$bg_color[0],$bg_color[1],$bg_color[2]); $col_bar=ImageColorAllocate($im,$bar_color[0],$bar_color[1],$bar_color[2]); $col_text=ImageColorAllocate($im,$text_color[0],$text_color[1],$text_color[2]); $height=round($total_y-$space['bottom']); / paint the bars / for ($i=0;$i<strlen($bars);$i++){ $val=strtolower($bars[$i]); $h=$height; if ($val == "1") { imagefilledrectangle($im, $xpos, $space['top'], $xpos, $h, $col_bar); } $xpos+=1$scale; } /* write out the text / $fontsize=$scale 0; $fontheight=$total_y-($fontsize/2.5)+2; @imagettftext($im, $fontsize, 0, ($total_x / 2)-(strlen($text)$fontsize/2.68), $fontheight, $col_text, $font_loc, $text); if ($filename != "") { $this->barcode_outputfile($im, $filename, $mode); } return $im; } function create($barcode, $filename = "") { $barcode_data = ""; / Code128C character matching / $encoding = new Code128cEncoding(); $code128c_codes = $encoding->getCodeMap(); try { $arr_barcode = str_split($barcode, 2); $checksum = intval($code128c_codes["START_DATA"]); // Get barcode data $i = 1; foreach ($arr_barcode as $pair) { $i++; $checksum += (intval($pair) $i); $trans_pair = $code128c_codes[$pair]; if ($trans_pair != "") { $barcode_data .= $trans_pair; } else { throw new Exception("Incorrect barcode format."); } } $checksum += (intval($code128c_codes["FNC1_DATA"])*1); $checksum = $checksum % 103; $code_keys = array_keys($code128c_codes); $barcode_data .= $code128c_codes[$code_keys[$checksum]]; // Buid final barcode $final_barcode = $code128c_codes["START"] . $code128c_codes["FNC1"] . $barcode_data . $code128c_codes["STOP"] . $code128c_codes["TERMINATE"]; // Draw return $this->barcode_outimage($barcode, $final_barcode, 1, "PNG", 0, array("bottom" => 15, "top" => 0, "left" => 15, "right" => 15), $filename); } catch (Exception $e) { print $e; } return null; } function createImageBuffer($barcode) { // Set content type header('Content-Type: image/png'); header('Content-Disposition: Attachment;filename=image.png'); //header("Content-Length: " . strlen($im)); // Create the barcode $im = $this->create($barcode); imagepng($im); imagedestroy($im); } function printImageBuffer($barcode) { // Set response headers to return an image header("Content-type: image/png"); - // Create the barcode $im = $this->create($barcode); imagepng($im); imagedestroy($im); } function createImageFile($barcode, $filename) { if ($filename != "") { $this->create($barcode, $filename); } else { print "Filename must be specified. If you need a buffered image use createImageBuffer instead."; } } } if (isset($_GET["barcode"])) { $ean128 = new EAN1284php(); $type = isset($_GET["type"]) ? $_GET["type"] : "default"; $barcode = $_GET['barcode']; if ($barcode != "") { if ($type == "attach") $ean128->createImageBuffer($barcode); else $ean128->printImageBuffer($barcode); } }

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