Advance PHP Tutorials

Convert image Color to Greyscale

<?php
if(!file_exists('xyz.png')) {

 $img = imagecreatefrompng('dw-manipulate-me.png');
 imagefilter($img,IMG_FILTER_GRAYSCALE);
 imagepng($img,'xyz.png');
 imagedestroy($img);
}

?>

Convert image Color to Negative

<?php
if(!file_exists('xyz.png')) {
 $img = imagecreatefrompng('dw-manipulate-me.png');
 imagefilter($img,IMG_FILTER_NEGATE);
 imagepng($img,'xyz.png');
 imagedestroy($img);
}
?>

Convert image Color to Sepia

<?php
if(!file_exists('xyz.png')) {
 $img = imagecreatefrompng('dw-manipulate-me.png');
 imagefilter($img,IMG_FILTER_GRAYSCALE);
 imagefilter($img,IMG_FILTER_COLORIZE,100,50,0);
 imagepng($img,'xyz.png');
 imagedestroy($img);
}
?>