Open In App

PHP | Gmagick setimageblueprimary() Function

Last Updated : 11 Jan, 2022
Comments
Improve
Suggest changes
Like Article
Like
Report

The Gmagick::setimageblueprimary() function is an inbuilt function in PHP which is used to set the depth for a particular image channel.

Syntax: 

Gmagick Gmagick::setimageblueprimary( $x, $y )

Parameters: This function accepts two parameters as mentioned above and described below:  

  • $x: It specifies the blue primary x-point.
  • $y: It specifies the blue primary y-point.

Return Value: This function returns an array containing x and y coordinate of point.

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

Program 1: 
Original Image: 

https://media.geeksforgeeks.org/wp-content/uploads/geeks-21.png PHP
// Create new Gmagick object 
$Gmagick = new Gmagick( 
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-15.png'); 
   
// Using getImageBluePrimary function 
echo "Before Set Blue Primary: "; 
$res = $Gmagick->getImageBluePrimary(); 
print_r($res); 
   
// Set blue primary point 
$Gmagick->setImageBluePrimary( 1.765, 2.5698 ); 
   
echo "</br>  After Set Blue Primary: "; 
$res = $Gmagick->getImageBluePrimary(); 
  
print_r($res); 
?> 

Output: 

Before Set Blue Primary: Array ( [x] => 0.15000000596046 [y] => 
0.059999998658895 )
After Set Blue Primary: Array ( [x] => 1.765 [y] => 2.5698 ) 


Program 2: 
Original Image: 

https://media.geeksforgeeks.org/wp-content/uploads/Screenshot-from-2018-10-16-23-23-54.png PHP
<?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);  
$im->newImage($matrix['textWidth'], $matrix['textHeight'],  
        new GmagickPixel('white'));  
   
// Draw the image          
$im->drawImage($draw);  
$im->setImageFormat('jpeg');  
   
// Using getImageBluePrimary function 
echo "Before Set Blue Primary: "; 
$res = $im->getImageBluePrimary(); 
print_r($res); 
   
   
// Set blue primary point 
$im->setImageBluePrimary(20.765, 14.1698); 
   
echo "</br>  After Set Blue Primary: "; 
$res = $im->getImageBluePrimary(); 
print_r($res); 
?> 

Output: 

Before Set Blue Primary: Array ( [x] => 0.15000000596046 [y] => 
0.059999998658895 )
After Set Blue Primary: Array ( [x] => 20.765 [y] => 14.1698 ) 

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


Next Article

Similar Reads