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PHP | Imagick rollImage() Function
  • Difficulty Level : Easy
  • Last Updated : 26 Aug, 2019

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


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:

// Create an Imagick object  
$imagick = new \Imagick(
// Use rollImage function
$imagick->rollImage(60, 50);
header("Content-Type: image/jpg");
// Display the image
echo $imagick->getImageBlob();


Program 2:

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



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