PHP | Imagick sketchImage() Function

The Imagick::sketchImage() function is an inbuilt function in PHP which is used to simulates a pencil sketch. This function convolves the image with a Gaussian operator of the given radius and standard deviation. Syntax:

bool Imagick::sketchImage( $radius, $sigma, $angle )

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

• $radius: This parameter is used to set the radius of the Gaussian, in pixels, not counting the center pixel.
• $sigma: This parameter is used to set the standard deviation of the Gaussian, in pixels.
• $angle: This parameter is used to set the angle to apply the effect.

Return Value: This function returns True on success. Below program illustrates the Imagick::sketchImage() function in PHP: Program: php

<?php

// Create an Imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

// Use sketchimage function
$imagick->sketchimage(5, 1, 45);

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

// Display the output image
echo $imagick->getImageBlob();
?>

Output: Related Articles:

• PHP | Imagick getImageWidth() Function
• PHP | Imagick chopImage() Function

Reference: https://www.php.net/manual/en/imagick.sketchimage.php