tc-lib-pdf-graph

Geometric drawing and transformation primitives for PDF content streams.

If this library helps your rendering stack, please consider supporting development via PayPal.

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Overview

tc-lib-pdf-graph implements low-level drawing operations used to build PDF graphic content.

Namespace	\Com\Tecnick\Pdf\Graph
Author	Nicola Asuni info@tecnick.com
License	GNU LGPL v3 - see LICENSE
API docs	https://tcpdf.org/docs/srcdoc/tc-lib-pdf-graph
Packagist	https://packagist.org/packages/tecnickcom/tc-lib-pdf-graph

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Features

Drawing Primitives

• Paths, lines, curves, and clipping operations
• Style handling for stroke/fill combinations
• Gradient and shading support

Transformations

• Matrix-based geometric transforms
• Coordinate conversion helpers
• PDF/A-aware behavior controls

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Requirements

• PHP 8.1 or later
• Extension: zlib
• Composer

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Installation

composer require tecnickcom/tc-lib-pdf-graph

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Quick Start

<?php

require_once __DIR__ . '/vendor/autoload.php';

$draw = new \Com\Tecnick\Pdf\Graph\Draw(
    1.0,
    210,
    297,
    new \Com\Tecnick\Color\Pdf(),
    new \Com\Tecnick\Pdf\Encrypt\Encrypt(),
    false
);

echo $draw->getClippingRect(10, 10, 50, 20);

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Development

make deps
make help
make qa

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Packaging

make rpm
make deb

For system packages, bootstrap with:

require_once '/usr/share/php/Com/Tecnick/Pdf/Graph/autoload.php';

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Contributing

Contributions are welcome. Please review CONTRIBUTING.md, CODE_OF_CONDUCT.md, and SECURITY.md.

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Contact

Nicola Asuni - info@tecnick.com