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PHP | Imagick getImageDepth() Function

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The Imagick::getImageDepth() function is an inbuilt function in PHP which is used to gets the depth of the image.

Syntax:

int Imagick::getImageDepth( void )

Parameters: This function does not accepts any parameter.
Return Value: This function returns the image depth.

Below programs illustrate the Imagick::getImageDepth() function in PHP:
Program 1:
Original Image:




<?php 
  
// require_once('vendor/autoload.php');
  
// Create an Imagick Object
$image = new Imagick(
  
// Use getImageDepth function to calculate image depth
  
$height = $image->getImageDepth();
  
// Display the depth of image
print_r($height);
?>


Output:

8

Program 2:
https://media.geeksforgeeks.org/wp-content/uploads/Screenshot-from-2018-10-16-23-23-54-1.png




<?php 
$string = "Computer Science portal for Geeks!"
      
// 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); 
     
$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');
  
$dpth = $im->getImageDepth();
    
// Display the depth of image
print_r($dpth);
?>


Output:

8 

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



Last Updated : 26 Aug, 2019
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