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PHP | Imagick getImageMatte() Function

  • Last Updated : 30 Dec, 2021

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: 
 

https://media.geeksforgeeks.org/wp-content/uploads/geeks-21.png

 

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: 
 

https://media.geeksforgeeks.org/wp-content/uploads/Screenshot-from-2018-10-16-23-23-54.png

 

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
 


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