PHP | Imagick colorizeImage() Function

The Imagick::colorizeImage() function is an inbuilt function in PHP which is used to blends the fill color with each pixel in the image with a specified opacity.

Syntax:

bool Imagick::colorizeImage( mixed $colorize, mixed $opacity, bool $legacy = FALSE )

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

• $colorize: This parameter holds ImagickPixel object or a string which contains the colorize color.
• $opacity: This parameter holds ImagickPixel object or float which contains the opacity. The value 1.0 represents the fully opaque and 0.0 represents fully transparent.
• $legacy: This parameter holds a boolean which tells whether legacy behaviour is desired. Keeping it to TRUE is recommended to use string colors.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below programs illustrate the Imagick::colorizeImage() function in PHP:

Program 1:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

// Colorize the image
$imagick->colorizeImage('blue', 1, true);

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

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

?>

Output:

Program 2:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-9.png');

// Colorize the image
$imagick->colorizeImage('orange', 0.5, true);

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

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

?>

Output:

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