i hate gd
Posted: Sun Nov 20, 2005 1:06 pm
im not good at gd at all but what i need to do is watermark a image. i upload the image and then i use this function
but that will just display the image if i throw the right header. i dont want it to display the image, i want it to save the image over the old, unwatermarked image. help please.
Code: Select all
<?php
function watermark($img)
{
$watermark = imagecreatefrompng('./images/watermark.png');
$watermark_width = imagesx($watermark);
$watermark_height = imagesy($watermark);
$image = imagecreatetruecolor($watermark_width, $watermark_height);
$image = imagecreatefromjpeg($img);
$size = getimagesize($img);
$dest_x = $size[0] - $watermark_width - 5;
$dest_y = $size[1] - $watermark_height - 5;
imagecopymerge($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, 100);
imagejpeg($image);
imagedestroy($image);
imagedestroy($watermark);
}
?>