PHP | Imagick sketchImage() Function

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


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:


// Create an Imagick object
$imagick = new Imagick(
// Use sketchimage function
$imagick->sketchimage(5, 1, 45);
header("Content-Type: image/jpg");
// Display the output image
echo $imagick->getImageBlob();


sketch image

Related Articles:

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

This article is attributed to GeeksforGeeks.org

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