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( // 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