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PHP | Gmagick addImage() Function

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  • Last Updated : 10 Jan, 2022
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The Gmagick::addImage() function is an inbuilt function in PHP which is used to adds new image to Gmagick object image list. This function adds a new image to Gmagick object from the current position of the source object. The Gmagick class have the ability to hold and operate on multiple images simultaneously.


bool Gmagick::addImage( $source )

Parameters: This function accepts a single parameter $source which holds the source Gmagick object.

Return Value: This function returns Gmagick object on success.

Errors/Exceptions: This function throws GmagickException on error.

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

Original Image 1:
adpative threshold image


// require_once('path/to/vendor/autoload.php');
header('Content-type: image/png');
$image = new Gmagick (
$t = new Gmagick (
echo $image;

adaptive threshold image

Original Image 2:
original image

Program 2:

$string = "Computer Science portal for Geeks!"
// Creating new image of above String 
// and add color and background 
$im = new Gmagick(); 
$draw = new GmagickDraw(); 
// Fill the color in image 
$draw->setFillColor(new GmagickPixel('green')); 
// Set the text font size 
$matrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($matrix['textWidth'], $matrix['textHeight'], 
        new GmagickPixel('white')); 
// Draw the image        
$t = new Gmagick (
header("Content-Type: image/jpg"); 
echo $im->getImageBlob(); 



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