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PHP | Imagick clear() Function

PHP | Gmagick clear() Function

Last Updated : 28 Aug, 2019

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The Gmagick::clear() function is an inbuilt function in PHP which is used to clear all resources associated to Gmagick object.

Syntax:

Gmagick Gmagick::clear( void )

Parameters: This function does not accepts any parameter.

Return Value: This function returns the cleared Gmagick object.

Errors/Exceptions: This function throws GmagickException on error.

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

Program 1:

   <?php  
     
// Create a GmagickDraw object  
$draw = new GmagickDraw();  
    
// Create GmagickPixel object  
$fillColor = new GmagickPixel('Green');  
    
// Set stroke opacity 
$draw->setfillcolor('red'); 
  
// Set the width and height of image  
$draw->setStrokeWidth(7);  
$draw->setFontSize(72);  
     
// Function to draw circle   
$draw->circle(250, 250, 100, 150);  
   
$gmagick = new Gmagick();  
$gmagick->newImage(500, 500, 'White');  
$gmagick->setImageFormat("png");  
$gmagick->drawImage($draw);  
  
// Using clear() function 
print_r($gmagick->clear()); 
?>  
 
  

Output:

Program 2:

   <?php  
      
// Create a GmagickDraw object  
$draw = new ImagickDraw();   
     
// Set the color 
$draw->setFillColor('Green');  
     
// Set the width and height of image  
$draw->setStrokeWidth(17);  
   
// Function to draw line 
for($x = 0; $x < 40; $x++) { 
    $draw->line(rand(0, 100), rand(0, 60), rand(0, 500), rand(0, 500)); 
    $draw->line(rand(0, 100), rand(0, 60), rand(0, 500), rand(0, 500)); 
    $draw->line(rand(0, 100), rand(0, 60), rand(0, 500), rand(0, 500)); 
    $draw->line(rand(0, 100), rand(0, 60), rand(0, 500), rand(0, 500)); 
} 
  
$gmagick = new Imagick();  
$gmagick->newImage(500, 500, 'White');  
$gmagick->setImageFormat("png");  
   
// Set the color 
$draw->setFillColor('Black');  
   
// Set Font Size 
$draw->setFontSize(20);  
   
// Use of drawimage function 
$gmagick->drawImage($draw);  
  
$gmagick->annotateImage($draw, 5, 220, 0,  
     'Stroke Width using getstrokewidth() function :'
                        . $draw->getstrokewidth()); 
   
// Using clear() function 
print_r($gmagick->clear()); 
?>  
 
  

Output:

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

PHP | Imagick clear() Function

sarthak_ishu11

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Article Tags :

PHP
Web Technologies
Image-Processing
PHP-function
PHP-Gmagick

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