PHP | Imagick modulateImage() Function

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The Imagick::modulateImage() function is an inbuilt function in PHP which is used to control the brightness, saturation, and hue of an image.

Syntax:

bool Imagick::modulateImage( $brightness, $saturation, $hue )

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

$brightness: This parameter is used to hold the value of brightness.
$saturation: This parameter is used to hold the value of saturation.
$hue: This parameter is used to hold the value of hue.

Return Value: This function returns True on success.

Below programs illustrate the Imagick::modulateImage() function in PHP:

Original Image:

Program 1:

<?php  
  
/*require_once('vendor/autoload.php'); */
  
header('Content-type: image/png'); 
  
/*Create Imagick Object*/
  
$image = new Imagick('img/zambiatek.png'); 
  
/*modulateImage function*/
  
$image->modulateImage(60, 100, 100); 
echo $image; 
?> 

Output:

Program 2:

<?php  
  
/*require_once('vendor/autoload.php');*/
/*Imagick Object*/
  
$imagick = new Imagick('img/zambiatek.png'); 
  
/*modulateImage*/
  
$imagick->modulateImage(100, 0, 100); 
  
/*Write Image*/
$imagick->writeImage('rotationalImage1.png'); 
  
/*Destroy Imagick Variable*/
$imagick->destroy(); 
?> 