22 lines
492 B
PHP
22 lines
492 B
PHP
<?php
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namespace Intervention\Image\Gd\Commands;
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use Intervention\Image\Commands\AbstractCommand;
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class BrightnessCommand extends AbstractCommand
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{
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/**
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* Changes image brightness
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*
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* @param \Intervention\Image\Image $image
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* @return boolean
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*/
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public function execute($image)
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{
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$level = $this->argument(0)->between(-100, 100)->required()->value();
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return imagefilter($image->getCore(), IMG_FILTER_BRIGHTNESS, ($level * 2.55));
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}
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}
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