PHP | Imagick rotationalBlurImage() Function

The Imagick::rotationalBlurImage() function is an inbuilt function in PHP that is used to apply the blur over an image by a certain angle. 

Syntax:

bool Imagick::rotationalBlurImage( $angle, $channel )

Parameters: This function accepts two parameters as mentioned above and described below:

• $angle: This parameter is used to store the value of the angle.
• $channel: This parameter provides the channel constant that is valid for channel mode. More than one channel can be combined using a bitwise operator. The default channel in the Imagick function is Imagick::CHANNEL_DEFAULT.

Return Value: This function returns True on success. Below programs illustrate the Imagick::rotationalBlurImage() function in PHP: 

Original Image:

Program 1:

php

<?php

// Create new Imagick Object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-19.png');

// Use rotationalBlurImage function
$imagick->rotationalBlurImage(1);
$imagick->rotationalBlurImage(7);
$imagick->rotationalBlurImage(3);

// Set Image Header
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
?>

Output:

Program 2:

php

<?php

// require_once('path/vendor/autoload.php');

// Create new Imagick Object
$imagick = new Imagick('
https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-19.png');

// Use rotationalBlurImage function
$imagick->rotationalBlurImage(6, 4);

// Set header image
header("Content-Type: image/jpg");

echo $imagick->getImageBlob();
?>

Output:

Reference: http://php.net/manual/en/imagick.rotationalblurimage.php