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/geeksforgeeks.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/geeksforgeeks.png');
/*modulateImage*/ $imagick->modulateImage(100, 0, 100);
/*Write Image*/$imagick->writeImage('rotationalImage1.png');
/*Destroy Imagick Variable*/$imagick->destroy();
?> |
Output:
Reference: http://php.net/manual/en/imagick.modulateimage.php