PHP | Imagick matteFloodfillImage() Function

The Imagick::matteFloodfillImage() function is an inbuilt function in PHP which is used to change the transparency value of a color. This function changes the transparency value of any pixel that matches the target and is an immediate neighbor. 

Syntax:

bool Imagick::matteFloodfillImage(float $alpha, float $fuzz, 
                                   mixed $bordercolor, int $x, int $y)

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

• $alpha: This parameter holds the level of transparency, 1 is fully opaque and 0 is fully transparent.
• $alpha: This parameter holds acceptable tolerance to consider two colors as same.
• $bordercolor: This parameter holds the ImagickPixel object or string representing the border color.
• $x: This parameter holds the starting x coordinate of the operation.
• $y: This parameter holds the starting y coordinate of the operation.

Return Value: This function returns TRUE on success. 

Errors/Exceptions: This function throws ImagickException on error. 

Below program illustrates the Imagick::matteFloodfillImage() function in PHP: 

Program:

php

<?php

// Create a new Imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20190823154611/geeksforgeeks24.png');

// Applying the matteFloodfillImage() function
$imagick->matteFloodfillImage(0.5, 0, 'red', 0, 0);

header("Content-Type: image/jpg");

// Display the output image
echo $imagick->getImageBlob();
?>

Output:

Reference: https://www.php.net/manual/en/imagick.mattefloodfillimage.php