$im = imagecreatefrompng('gradient_1.png');
$nWidth = 3 * imagesx($im);
$nHeight = 3 * imagesy($im);
$newImg = imagecreatetruecolor($nWidth, $nHeight);
imagealphablending($newImg, false);
imagesavealpha($newImg,true);
$transparent = imagecolorallocatealpha($newImg, 255, 255, 255, 127);
imagefilledrectangle($newImg, 0, 0, $nWidth, $nHeight, $transparent);
imagecopyresampled($newImg, $im, 0, 0, 0, 0, $nWidth, $nHeight,
imagesx($im), imagesy($im));
header('Content-Type: image/png');
imagepng($newImg); |
