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PHP | Imagick charcoalImage() Function
  • Difficulty Level : Medium
  • Last Updated : 26 Aug, 2019

The Imagick::charcoalImage() function is an inbuilt function in PHP which is used to simulate a charcoal drawing of an image.

Syntax:

bool Imagick::charcoalImage( $radius, $sigma )

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

  • $radius: This parameter stores the value of radius of the Gaussian, in pixels.
  • $sigma: This parameter stores the value of the standard deviation of the Gaussian, in pixels.

Return Value: This function returns True on success.

Original Image:



Below program illustrates the Imagick::charcoalImage() function in PHP:

Program:




<?php 
// require_once('path/vendor/autoload.php'); 
   
// Create a new Imagick Object
$image = new Imagick(
  
// Charcoal Image function
$image->charcoalImage(0.2, 1);
   
header('Content-type: image/png');
  
// Display the output image
echo $image;
?>

Output:

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

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