PHP | Gmagick trimimage() function

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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 
// https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png 
$gmagick = new Gmagick('zambiatek.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 
// https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png 
$gmagick = new Gmagick('zambiatek.png'); 
   
// Create a GmagickDraw object 
$draw = new GmagickDraw(); 
   
// Set the color 
$draw->setFillColor('white'); 
   
// Function to draw rectangle 
$draw->rectangle(0, 0, 800, 400); 
   
// Set the fill color 
$draw->setFillColor('red'); 
   
// Set the font size 
$draw->setfontsize(50); 
   
// Annotate a text 
$draw->annotate(30, 100, 'zambiatek'); 
   
// Use of drawimage function 
$gmagick->drawImage($draw); 
   
// Trim the image 
$gmagick->trimimage(10);  
   
// Display the output image 
header("Content-Type: image/png"); 
echo $gmagick->getImageBlob(); 
?> 

Output:

Reference: https://www.php.net/manual/en/gmagick.trimimage.php

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