The Imagick::getImageMatte() function is an inbuilt function in PHP which is used to get the matte channel of an imagick object.
Syntax:
bool Imagick::getImageMatte( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns True if image has a matte channel or False otherwise.
Below programs illustrate the Imagick::getImageMatte() function in PHP:
Program 1:
Original Image:
php
<?php // Create new Imagick object $imagick = new Imagick( // Using getImageMatte function $res = $imagick ->getImageMatte(); // header("Content-Type: image/jpg"); echo $res ; ?> |
Output:
1
Program 2:
Original Image:
php
<?php $string = "Computer Science portal for Geeks!"; // Creating new image of above String // and add color $im = new Imagick(); $draw = new ImagickDraw(); // Fill the color in image $draw ->setFillColor( new ImagickPixel( 'green' )); // Set the text font size $draw ->setFontSize(50); $metrix = $im ->queryFontMetrics( $draw , $string ); $draw ->annotation(0, 40, $string ); $im ->newImage( $metrix [ 'textWidth' ], $metrix [ 'textHeight' ], new ImagickPixel( 'white' )); // Draw the image $im ->drawImage( $draw ); $im ->setImageFormat( 'jpeg' ); $res = $im ->getImageMatte(); // Display Result echo $res ; ?> |
Output:
1
Reference: http://php.net/manual/en/imagick.getimagematte.php