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PHP | Gmagick spreadimage() Function

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  • Last Updated : 18 Nov, 2019
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The Gmagick::spreadimage() function is an inbuilt function in PHP which is used to randomly displaces each pixel in a block defined by the variable.


Gmagick Gmagick::spreadimage( $radius )

Parameters: This function accepts a single parameter $radius which chooses a random pixel in a neighborhood of this extent.

Return Value: This function returns Gmagick object on success.

Errors/Exceptions: This function throws GmagickException on error.

Below programs illustrates the Gmagick::spreadimage() function in PHP:

Program 1:
Input Image:

// Create a Gmagick object 
$gmagick = new Gmagick(
// spread the image. 
header('Content-type: image/png'); 
// Output the image 
echo $gmagick


Program 2:

// Create a GmagickDraw object 
$draw = new GmagickDraw(); 
// Create GmagickPixel object 
$strokeColor = new GmagickPixel('Red'); 
$fillColor = new GmagickPixel('Green'); 
// Set the color, opacity of image 
// Set the width and height of image 
// Function to draw circle  
$draw->circle(250, 250, 100, 150); 
$gmagick = new Gmagick(); 
$gmagick->newImage(500, 500, 'White'); 
// Spread the image
// Display the output image 
header("Content-Type: image/png"); 
echo $gmagick->getImageBlob(); 



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