tcpdf/README.md

# TCPDF Library for Joomla!

__If you already know how to use TCPDF and you need it for a Joomla! project, than this is a library package to be used in Joomla! Easy to install and update.__

TCPDF is a PHP class for generating PDF files on-the-fly without requiring external extensions.
This library includes also a class to extract data from existing PDF documents and classes to generate 1D and 2D barcodes in various formats.

## Main Features:
+ no external libraries are required for the basic functions;
+ all standard page formats, custom page formats, custom margins and units of measure;
+ UTF-8 Unicode and Right-To-Left languages;
+ TrueTypeUnicode, OpenTypeUnicode v1, TrueType, OpenType v1, Type1 and CID-0 fonts;
+ font subsetting;
+ methods to publish some XHTML + CSS code, Javascript and Forms;
+ images, graphic (geometric figures) and transformation methods;
+ supports JPEG, PNG and SVG images natively, all images supported by GD (GD, GD2, GD2PART, GIF, JPEG, PNG, BMP, XBM, XPM) and all images supported via ImagMagick (http://www.imagemagick.org/script/formats.php)
+ 1D and 2D barcodes: CODE 39, ANSI MH10.8M-1983, USD-3, 3 of 9, CODE 93, USS-93, Standard 2 of 5, Interleaved 2 of 5, CODE 128 A/B/C, 2 and 5 Digits UPC-Based Extension, EAN 8, EAN 13, UPC-A, UPC-E, MSI, POSTNET, PLANET, RMS4CC (Royal Mail 4-state Customer Code), CBC (Customer Bar Code), KIX (Klant index - Customer index), Intelligent Mail Barcode, Onecode, USPS-B-3200, CODABAR, CODE 11, PHARMACODE, PHARMACODE TWO-TRACKS, Datamatrix, QR-Code, PDF417;
+ JPEG and PNG ICC profiles, Grayscale, RGB, CMYK, Spot Colors and Transparencies;
+ automatic page header and footer management;
+ document encryption up to 256 bit and digital signature certifications;
+ transactions to UNDO commands;
+ PDF annotations, including links, text and file attachments;
+ text rendering modes (fill, stroke and clipping);
+ multiple columns mode;
+ no-write page regions;
+ bookmarks, named destinations and table of content;
+ text hyphenation;
+ text stretching and spacing (tracking);
+ automatic page break, line break and text alignments including justification;
+ automatic page numbering and page groups;
+ move and delete pages;
+ page compression (requires php-zlib extension);
+ XOBject Templates;
	* Layers and object visibility.
	* PDF/A-1b support.

Version: 6.2.12
Release date: 2015-09-12
Author:	Nicola Asuni

Copyright (c) 2002-2015:
	Nicola Asuni
	Tecnick.com LTD
	www.tecnick.com

> Compiled into an installer for Joomla 3 by [Llewellyn van der Merwe] (mailto:joomla@vdm.io) at [Vast Development Method] (https://www.vdm.io/)

# Usage in Joomla (PHP)
```php
// Import TCPDF library
jimport('tcpdf.tcpdf');
```
or
```php
// Import TCPDF library
require_once JPATH_LIBRARIES . '/tcpdf/tcpdf.php';
```
Now you can create a new PDF document:
```php
$pdf = new TCPDF();
```

# Documentation
+ [Source Code Documentation] (http://www.tcpdf.org)
+ [Additional Documentation] (http://www.tcpdf.org)

# Automatic updates
This library is integrated with Joomla's automatic updates. Before updating it's mandatory that you check that your documents still work as expected.

# License
TCPDF is licensed under LGPL ([GNU LESSER GENERAL PUBLIC LICENSE] (https://github.com/vdm-io/tcpdf/blob/master/tcpdf/LICENSE.TXT))