The Gmagick::trimimage() function is an inbuilt function in PHP which is used to remove edges that are the background color from the image.
Syntax:
Gmagick Gmagick::trimimage( float $fuzz )
Parameters:This function accepts a single parameter $fuzz which holds the fuzz.
Return Value: This function returns TRUE on success.
Exceptions: This function throws GmagickException on error.
Below given programs illustrate the Gmagick::trimimage() function in PHP:
Program-1 (Trimming an image):
<?php // Create a new Gmagick object $gmagick = new Gmagick('neveropen.png');   // Trim the image $gmagick->trimimage(10);   // Output the image  header('Content-type: image/png');  echo $gmagick;  ?> |
Output:
Program-2 (Trimming a drawing):
<?php // Create a new Gmagick object $gmagick = new Gmagick('neveropen.png'); Â Â Â // Create a GmagickDraw object $draw = new GmagickDraw(); Â Â Â // Set the color $draw->setFillColor('white'); Â Â Â // Function to draw rectangle $draw->rectangle(0, 0, 800, 400); Â Â Â // Set the fill color $draw->setFillColor('red'); Â Â Â // Set the font size $draw->setfontsize(50); Â Â Â // Annotate a text $draw->annotate(30, 100, 'neveropen'); Â Â Â // Use of drawimage function $gmagick->drawImage($draw); Â Â Â // Trim the image $gmagick->trimimage(10);Â Â Â Â // Display the output image header("Content-Type: image/png"); echo $gmagick->getImageBlob(); ?> |
Output:
Reference: https://www.php.net/manual/en/gmagick.trimimage.php

