File: /var/www/html/tmpr/../tmpr/..//tmpr/../tmpr/../resizePNG.php
<?
function resize($img, $w, $h, $newfilename, $x, $y) {
//Get Image size info
$imgInfo = getimagesize($img);
switch ($imgInfo[2]) {
case 1: $im = imagecreatefromgif($img); break;
case 2: $im = imagecreatefromjpeg($img); break;
case 3: $im = imagecreatefrompng($img); break;
default: trigger_error('Unsupported filetype!', E_USER_WARNING); break;
}
//If image dimension is smaller, do not resize
if ($imgInfo[0] <= $w && $imgInfo[1] <= $h) {
$nHeight = $imgInfo[1];
$nWidth = $imgInfo[0];
}else{
//yeah, resize it, but keep it proportional
if ($w/$imgInfo[0] > $h/$imgInfo[1]) {
$nWidth = $w;
$nHeight = $imgInfo[1]*($w/$imgInfo[0]);
}else{
$nWidth = $imgInfo[0]*($h/$imgInfo[1]);
$nHeight = $h;
}
}
$nWidth = $imgInfo[0]*($h/$imgInfo[1]);
$nHeight = $imgInfo[1]*($w/$imgInfo[0]);
$nWidth = $w;
$nHeight = $h;
$newImg = imagecreatetruecolor($nWidth, $nHeight);
/* Check if this image is PNG or GIF, then set if Transparent*/
if(($imgInfo[2] == 1) OR ($imgInfo[2]==3)){
imagealphablending($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, $imgInfo[0], $imgInfo[1]);*/
imagecopy($newImg, $im, 0, 0, $x, $y, 200, 200);
//Generate the file, and rename it to $newfilename
/* switch ($imgInfo[2]) {
case 1: imagegif($newImg,$newfilename); break;
case 2: imagejpeg($newImg,$newfilename); break;
case 3: imagepng($newImg,$newfilename); break;
default: trigger_error('Failed resize image!', E_USER_WARNING); break;
}*/
switch ($imgInfo[2]) {
case 1: imagegif($newImg); break;
case 2: imagejpeg($newImg); break;
case 3: imagepng($newImg); break;
default: trigger_error('Failed resize image!', E_USER_WARNING); break;
}
return $newfilename;
}
$img = "abstract.png"; // File image location
$newfilename = "thumb_image.png"; // New file name for thumb
$w = 100;
$h = 100;
$x = 50;
$y = 500;
header('Content-Type: image/png');
$thumbnail = resize($img, $w, $h, $newfilename, $x, $y);
?>