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PHP | Gmagick getImageMatte() Function

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  • Last Updated : 10 Jan, 2022

The Gmagick::getImageMatte() function is an inbuilt function in PHP which is used to get the matte channel of an Gmagick object.


int Gmagick::getimagematte( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns True if image contains matte channel or False otherwise.

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

Original Image:

Program 1:

// Create new Gmagick object
$gmagick = new Gmagick(
// Using getImageMatte function
$res = $Gmagick->getImageMatte();
// header("Content-Type: image/jpg");
echo $res;



Original Image 2:

Program 2:

$string = "Computer Science portal for Geeks!"
// Creating new image of above String 
// and add color
$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         
$res = $im->getImageMatte();
// Display Result
echo $res;




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