The Gmagick::getImageMatte() function is an inbuilt function in PHP which is used to get the matte channel of an Gmagick object.
Syntax:
int Gmagick::getimagematte( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns True if image contains matte channel or False otherwise.
Below programs illustrate the Gmagick::getImageMatte() function in PHP:
Original Image:
Program 1:
<?php // Create new Gmagick object $gmagick = new Gmagick(
// Using getImageMatte function $res = $Gmagick ->getImageMatte();
// header("Content-Type: image/jpg"); echo $res ;
?> |
Output:
1
Original Image 2:
Program 2:
<?php $string = "Computer Science portal for Geeks!" ;
// Creating new image of above String // and add color $im = new Gmagick();
$draw = new GmagickDraw();
// Fill the color in image $draw ->setFillColor( new GmagickPixel( 'green' ));
// Set the text font size $draw ->setFontSize(50);
$matrix = $im ->queryFontMetrics( $draw , $string );
$draw ->annotation(0, 40, $string );
$im ->newImage( $matrix [ 'textWidth' ], $matrix [ 'textHeight' ],
new GmagickPixel( '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/gmagick.getimagematte.php