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PHP | Imagick getImageMatte() Function
  • Last Updated : 26 Aug, 2019

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 mage 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
  
// 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 
$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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