The Imagick::mapImage() function is an inbuilt function in PHP which is used to replace the colors of an image with the closest color from a reference image.
Syntax:
bool Imagick::mapImage( Imagick $map, float $dither )
Parameters: This function accepts two parameters as mentioned above and described below:
- $map: This parameter holds the Imagick object.
- $dither: This parameter holds a boolean which decides whether to add noise or not.
Return Value: This function returns TRUE on success.
Errors/Exceptions: This function throws ImagickException on error.
Below programs illustrate the Imagick::mapImage() function in PHP:
Program 1:
<?php // Create a new imagick object $imagick1 = new Imagick( // Create another imagick object $imagick2 = new Imagick( // Mapping the image with noise $imagick1->mapImage($imagick2, true); header("Content-Type: image/jpg"); // Display the output image echo $imagick1->getImageBlob(); ?> |
Output:
Program 2:
<?php // Create a new imagick object $imagick1 = new Imagick( // Create another imagick object $imagick2 = new Imagick( // Mapping the image without noise $imagick1->mapImage($imagick2, false); header("Content-Type: image/jpg"); // Display the output image echo $imagick1->getImageBlob(); ?> |
Output:
Reference: https://www.php.net/manual/en/imagick.mapimage.php
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