PHP code example of net-tools / gd-indexed-color-converter

1. Go to this page and download the library: Download net-tools/gd-indexed-color-converter library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

net-tools / gd-indexed-color-converter example snippets


	// create an image
	$image = imagecreatefromjpeg('example.jpg');

	// create a gd indexed color converter
	$converter = new GDIndexedColorConverter();

	// the color palette
	$palette = array(
		array(0, 0, 0),
		array(255, 255, 255),
		array(255, 0, 0),
		array(0, 255, 0),
		array(0, 0, 255)
	);

	// convert the image to indexed color mode
	$new_image = $converter->convertToIndexedColor($image, $palette, 0.8);

	// save the new image
	imagepng($new_image, 'example_indexed_color.png', 0);