PHP | Imagick colorFloodfillImage() Function

The Imagick::colorFloodfillImage() function is an inbuilt function in PHP which is used to change the color value of any pixel that matches the target.

Syntax:

bool Imagick::colorFloodfillImage( $color, $fuzz, $bordercolor, $x, $y )

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

• color: This parameter holds the ImagickPixel object containing the filled color name in string format.
• fuzz: This parameter holds the amount of fuzz.
• bordercolor: This parameter holds the ImagickPixel object containing the filled border color name in string format.
• x: It holds the x-axis start position of the floodfill.
• y: It holds the y-axis start position of the floodfill.

Return Value: This function returns TRUE on success.

Errors/Exceptions: This function throws ImagickException on error.

Program:

<?php

// Create an Imagick object
$image = new Imagick(
"https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-6.png");

// Use colorFloodfillImage() function to change
// the color value of any pixel
$image->colorFloodfillImage( "red", 0.2, "white", 1, 1);

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

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

Output:

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