PHP | Imagick rollImage() Function

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The Imagick::rollImage() function is an inbuilt function in PHP which is used to roll an image.

Syntax:

bool Imagick::rollImage( $x, $y )

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

$x: This parameter stores the value of the X offset.
$y: This parameter stores the value of the Y offset.

Return Value: This function returns True on success.
Original Image:

Below program illustrate Imagick::rollImage() function in PHP:

Program 1:

<?php 
  
// Create an Imagick object   
$imagick = new \Imagick( 
'https://zambiatek.com/wp-content/uploads/2023/10/zambiatek-19-7.png'); 
  
// Use rollImage function 
$imagick->rollImage(60, 50); 
      
header("Content-Type: image/jpg"); 
  
// Display the image 
echo $imagick->getImageBlob(); 
?> 

Output:

Program 2:

<?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);  
  
$matrix = $im->queryFontMetrics($draw, $string);  
$draw->annotation(0, 40, $string);  
$im->newImage($matrix['textWidth'], $matrix['textHeight'],  
        new ImagickPixel('white'));  
  
// Draw the image          
$im->drawImage($draw);  
  
// Roll the Image 
$im->rollImage(70, 50); 
  
$im->setImageFormat('jpeg');  
  
header("Content-Type: image/jpg");  
  
// Display the output image  
echo $im->getImageBlob();  
?>  