Syntax:bool Imagick::contrastImage (bool $sharpen)
Parameters:This function takes one parameter,
$sharpen,which decides whether to increase or decrease the contrast.
Return value: this function returns True on success.Errors / Exceptions:This function throws a exceptionImagickException on error.Below the programs above illustrate the Imagick::contrastImage() functionin PHP:Program 1:
// Create a new object Imagick $imagick = new Imagick ( ’ https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-9.png ’ );
// Apply the image contrast function() $imagick -> contrastImage (false); header ( " Content-Type: image / png " );
// Display the output image echo $imagick -> getImageBlob(); ?> Output: Program 2:
// Create new Imagick object $imagick = new Imagick ( ’ https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-9.png ’ );
// Apply the image contrast function() $imagick -> contrastImage (true); header ( " Content-Type: image / png " );
// Display the output image echo $imagick -> getImageBlob(); ?> Output: Link: https://www.php.net/manual/en/imagick.contrastimage.php
