Method to adjust the brightness of the image.
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public brightness ( integer $b ) : |
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| $b | integer | |
| return | ||
public function testFilters()
{
$i = new Gd(__DIR__ . '/../tmp/test.jpg');
$i->brightness(50)->contrast(50)->desaturate()->sharpen(10)->blur(10)->border(5, 5)->border(5, 5, Gd::OUTER_BORDER)->overlay(__DIR__ . '/../tmp/test.png')->colorize(new Rgb(255, 0, 0))->invert()->pixelate(10)->pencil();
$this->assertEquals(640, $i->getWidth());
}