Imagick::charcoalImage
(PECL imagick 2, PECL imagick 3)
Imagick::charcoalImage — Simulates a charcoal drawing
Description
$radius, float $sigma): boolSimulates a charcoal drawing.
Parameters
- 
radius - 
      
The radius of the Gaussian, in pixels, not counting the center pixel
 - 
sigma - 
      
The standard deviation of the Gaussian, in pixels
 
Return Values
   Returns true on success.
  
Examples
Example #1 Imagick::charcoalImage()
<?php
function charcoalImage($imagePath, $radius, $sigma) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->charcoalImage($radius, $sigma);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}
?>
                    
                    
                    
                    
                    
          