PHP | Gmagick getimageunits() Function

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The Gmagick::getimageunits() function is an inbuilt function in PHP that is used to get the units of resolution of a particular image.

Syntax:

int Gmagick::getimageunits( void )

Parameters: This function does not accept any parameter.
Return Value: This function returns an integer containing the resolution of image units.
Below programs illustrate the Gmagick::getimageunits() function in PHP:
Original Image 1:

Program 1:

php

<?php
 
// PHP program to illustrate getimageunits function
$image = new Gmagick(
'https://zambiatek.com/wp-content/uploads/2023/10/zambiatek-15-10.png');
 
// Use getimageunits Function
$unit = $image->getimageunits();
 
// Display the output
echo "</br>Units = ";
print_r($unit);
?>

Output:

Units = 2

Original Image 2:

Program 2:

php

<?php 
$string = "Computer Science portal for Geeks!"; 
    
// Creating new image of above String 
// and add color and background 
$im = new Gmagick(); 
$draw = new GmagickDraw(); 
   
// Fill the color in image 
$draw->setFillColor(new GmagickPixel('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 GmagickPixel('white')); 
            
// Draw the image          
$im->drawImage($draw); 
   
// Gmagick function to gets 
// units of created image
$res= $im->getimageunits();
     
// Display the units of image
echo "Units =  ";
print_r($res);
?> 

Output:

Units = 0

Reference: http://php.net/manual/en/gmagick.getimageunits.php

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