PHP | Imagick modulateImage() Function
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
header( 'Content-type: image/png' );
$image = new Imagick( 'img/geeksforgeeks.png' );
$image ->modulateImage(60, 100, 100);
echo $image ;
?>
|
Output:
Program 2:
<?php
$imagick = new Imagick( 'img/geeksforgeeks.png' );
$imagick ->modulateImage(100, 0, 100);
$imagick ->writeImage( 'rotationalImage1.png' );
$imagick ->destroy();
?>
|
Output:
Reference: http://php.net/manual/en/imagick.modulateimage.php
Last Updated :
01 Oct, 2019
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