Syntax:bool Imagick::setSamplingFactors (array $factors)
Parameters:This function takes one parameter,
$factor, which contains an associative array containing the sampling factors.
Returned value:this function returns TRUE on success.
Exceptions:this function throws an ImagickException on error.The programs below illustrate the
Imagick::setSamplingFactors function()in PHP:
Program 1:
// Create a new imagick object $imagick = new Imagick ( ’ https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13.png ’ );
// Set the sampling factors $imagick -> setSamplingFactors ( array ( ’6’ , ’ 7’ , ’8’ ));
// Get the sampling factors $samplingFactors = $imagick -> getSamplingFactors(); print ( " " . print_r ( $samplingFactors , true). "
" ); ?> Output:Array ([0] = > 6 [1] = > 7 [2] = > 8)
Program 2:
// Create a new imagick object $imagick = new Imagick ( ’ https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13.png ’ );
// Set the format to jpg $imagick -> setImageFormat ( ’jpg’ );
// Set the sampling factors $imagick -> setSamplingFactors ( array ( ’1x1’ , ’ 2x2’ ));
// Save image $compressed = $imagick -> getImageBlob();
// Create a new imagick object $reopen = new Imagick(); $reopen -> readImageBlob ( $compressed );
// Resize to the same size $reopen -> resizeImage (667, 184, 0, 1);
// Show output header ( "Content-Type: image / jpg" ); echo $reopen -> getImageBlob(); ?> Output: Link : https://www.php.net/manual/en/imagick.setsamplingfactors.php
