Organic Synthesis Insight

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--- ict:isbn [2021/02/08 16:54] – hindiadmin
+++ ict:isbn [2021/02/08 18:26] (current) – hindiadmin
@@ Line 1: / Line 1: @@
 ====== ISBN Tools ======
-<html><?php
-//For displaying barcodes
-//Arguments are:
-//  code    Number you want outputted as a barcode
-//You can use this script in two ways:
-//  From a webpage/PHP script   <img src='/images/barcode.php?code=12345'/>
-//  Directly in your web browser    http://www.example.com/images/barcode.php?code=12345
-//Outputs the code as a barcode, surrounded by an asterisk (as per standard)
-//Will only output numbers, text will appear as gaps
-//Image width is dynamic, depending on how much data there is
-//Get the barcode font (called 'free3of9') from here http://www.barcodesinc.com/free-barcode-font/
-header("Content-type: image/png");
-$file = "images/barcode.png"; // path to base png image
-$im = imagecreatefrompng($file); // open the blank image
-$string = $_GET['code']; // get the code from URL
-imagealphablending($im, true); // set alpha blending on
-imagesavealpha($im, true); // save alphablending setting (important)
-$black = imagecolorallocate($im, 0, 0, 0); // colour of barcode
-$font_height=40; // barcode font size. anything smaller and it will appear jumbled and will not be able to be read by scanners
-$newwidth=((strlen($string)*20)+41); // allocate width of barcode. each character is 20px across, plus add in the asterisk's
-$thumb = imagecreatetruecolor($newwidth, 40); // generate a new image with correct dimensions
-imagecopyresized($thumb, $im, 0, 0, 0, 0, $newwidth, 40, 10, 10); // copy image to thumb
-imagettftext($thumb, $font_height, 0, 1, 40, $black, 'c:windowsfontsfree3of9.ttf', '*'.$string.'*'); // add text to image
-//show the image
-imagepng($thumb);
-imagedestroy($thumb);
-?></html>

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