PHP | Imagick getImageResolution() Function

PHP | Imagick setImageResolution() Function

The Imagick::getImageResolution() function is an inbuilt function in PHP which is used to get the resolution of an image object.

Syntax:

bool Imagick::getImageResolution( void)

Parameters: This function does not accept any parameter.

Return Value: This function returns the resolution as an array.

Below program illustrates the Imagick::getImageResolution() function in PHP:

Program 1:
Original Image:

<?php 
  
// Create an imagick image object 
$imagick = new Imagick( 
'https://media.w3wiki.net/wp-content/uploads/w3wiki-15.png'); 
  
// Getting Resolution of created image 
// using getimageresolution function 
$res = $im->getImageResolution(); 
echo "X = ".$res['x'] . "</br>"; 
echo "Y = ".$res['y'] ." </br>"; 
?> 

Output:

X = 37.8
Y = 37.8

Program 2:
Original Image:

<?php  
  
$string = "Computer Science portal for Beginner!";  
     
// Creating new image of above String  
// and add color and background  
$im = new Imagick();  
$draw = new ImagickDraw();  
    
// Fill the color in image  
$draw->setFillColor(new ImagickPixel('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 ImagickPixel('white'));  
             
// Draw the image           
$im->drawImage($draw);  
$im->setImageResolution(50, 50);  
  
// getting Resolution of created image 
// using getimageresolution function 
$res = $im->getImageResolution(); 
echo "X = ".$res['x'] . "</br>"; 
echo "Y = ".$res['y'] ." </br>"; 
?>  

Output:

X = 50
Y = 50

Reference: http://php.net/manual/en/imagick.getimageresolution.php

Tags:

#Image-Processing #PHP-function #PHP-Imagick #PHP #Web Technologies

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