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PHP | ImagickDraw composite() Function
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PHP | ImagickDraw comment() Function

Last Updated : 23 Dec, 2019
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The ImagickDraw::comment() function is an inbuilt function in PHP which is used to add a comment to a vector output stream. The comment is appended at the end of the output stream. Syntax: 
bool ImagickDraw::comment( string $comment )
Parameters: This function accept a single parameter $comment which holds the comment. Return Value: This function returns TRUE on success. Exceptions: This function throws ImagickException on error. Below given program illustrates the ImagickDraw::comment() function in PHP: Program 1:
<?php
  
//Create a new Imagick object
$imagick = new Imagick();
  
// Create a image on imagick object
$imagick->newImage(800, 250, 'white');
  
// Create a new ImagickDraw object
$draw = new ImagickDraw();
  
// Add comment
$draw->comment('Hello ! This is my comment.');
  
// Get the vector graphics as string
$graphics = $draw->getVectorGraphics();
  
// Get comment from vector graphics
$comment = substr($graphics, 807); 
echo $comment;
?> 
                      
                      
                                                    
                       
                  
                    
  Output:  
Hello ! This is my comment.
    Program 2:  
                    
                      
                          
                              
                                  
                                                                            
                                                                                                                  
                                                                            
                                                                                                                                                    
                              
                          
                      
                      
<?php 
  
//Create a new Imagick object 
$imagick = new Imagick(); 
  
// Create a image on imagick object 
$imagick->newImage(800, 250, 'white'); 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
  
$string = 'This is my comment'; 
  
// Add comment 
$draw->comment($string); 
  
// Get the vector graphics 
$graphics = $draw->getVectorGraphics(); 
  
// Get comment from vector graphics 
$getComment = substr($graphics, 807, strlen($string)); 
  
// Set the font size 
$draw->setFontSize(50); 
  
// Write on image 
$draw->annotation(50, 100, $getComment); 
  
// Render the draw commands 
$imagick->drawImage($draw); 
  
// Show the output 
$imagick->setImageFormat('png'); 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 
                      
                          
                  
                  
                      
                                                    
                      
                      
                                                    
                       
                  
                    
  Output:      Reference: https://www.php.net/manual/en/imagickdraw.comment.php    

                                                                                      

                                                                                
                                          
                                                                                  
                                                                  
                              
                                
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                                          PHP | ImagickDraw composite() Function                                      
                                  
                                                          
                          
                              
                                          
                                              
                                                  
                                                  
                                                      
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Article Tags : 
                                      
                                                            
  •                   PHP              
    •               
  •                   Web Technologies              
    •               
  •                   PHP-function              
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  •                   PHP-Imagick              
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