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PHP | Gmagick getquantumdepth() Function

Last Updated : 24 Jan, 2019
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The Gmagick::getquantumdepth() function is an inbuilt function in PHP which is used to return the quantum depth of Gmagick object.

Syntax:

public Gmagick::getquantumdepth( void ) : array

Parameters: This function does not accept any parameter.

Return Value: This function returns the Gmagick quantum depth as string.

Below programs illustrate the Gmagick::getquantumdepth() function in PHP:

Program 1:
Original Image:
https://media.geeksforgeeks.org/wp-content/uploads/geeks-21.png




<?php
  
// Create new Gmagick object
$im = new Gmagick(
  
// Using getquantumdepth function
print_r($im->getquantumdepth());
  
?>


Output:

Array ( [quantumDepthLong] => 16 
        [quantumDepthString] => Q16 
) 

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 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); 
$im->setImageFormat('jpeg'); 
  
// Using getquantumdepth function
print_r($im->getquantumdepth());
  
?>


Output:

Array ( [quantumDepthLong] => 16 
        [quantumDepthString] => Q16 
) 

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



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