README

ImageDefender is a PHP library for protecting images against copying. It allows to overaly an image (stamp) or text (sign) to your picture, to prevent unlicensed copying of your content.

Installation

Composer

Execute the following command to get the latest version of the package:

composer require vyalov.alexander/imagedefender

Check you php.ini you must see, something like this:

GD Support enabled
GD Version bundled (2.0.28 compatible)

Usage

GD realisation of ImageDefenderInterface

$factory = new \VyalovAlexander\ImageDefender\GD\GDImageDefenderFactory();

//Objects are ready to work
$signDefender = $factory->getSignImageDefender();
$stampDefender = $factory->getStampImageDefender();

Stamp

//you can configure your "stamp defender"
$stampDefender->setStamp('path/to/stmap/image.png')
    ->setStampHeight($height)
    ->setStampWidth($width)
    ->setStampMarginRight($marginRight)
    ->setStampMarginBottom($marginBottom)
    ->setStampTransparency($transparency);

$stampDefender->impose('path/to/picture/you/want/to/protect.png', "/save/path/of/resulting/picture.png");

Sign

//you can configure your "sign defender"
$signDefender->setFont('path/to/your/TTF/font.ttf')
        ->setSign($textYouWantToImpose)
        ->setSignAngle($textAngle)
        ->setSignColor($red, $green, $blue)
        ->setSignFontSize($fontSize)
        ->setSignMarginBottom($marginRight)
        ->setSignMarginRight($marginRight)
        ->setSignTransparency($textTransparency);

$signDefender->impose('path/to/picture/you/want/to/protect.png', "/save/path/of/resulting/picture.png");

License

The ImageDefender library is open-sourced software licensed under the MIT license.