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2 jp_milcent 1
<?php
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if($_GET['img'] == "")
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exit;
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$_image_ = urldecode( $_GET['img'] );
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$_width_min_ = intval($_GET['width']);
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$_height_min_ = intval($_GET['height']);
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$_quality_ = intval($_GET['quality']);
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$new_w = $_width_min_;
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$imagedata = getimagesize($_image_);
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if(!$imagedata[0])
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exit();
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$new_h = (int)($imagedata[1]*($new_w/$imagedata[0]));
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if(($_height_min_) AND ($new_h > $_height_min_)) {
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	$new_h = $_height_min_;
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	$new_w = (int)($imagedata[0]*($new_h/$imagedata[1]));
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}
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if(strtolower(substr($_image_,-3)) == "jpg") {
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  header("Content-type: image/jpg");
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  $dst_img=ImageCreate($new_w,$new_h);
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  $src_img=ImageCreateFromJpeg($_image_);
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  $dst_img = imagecreatetruecolor($new_w, $new_h);
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  imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,ImageSX($src_img),ImageSY($src_img));
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  $img = Imagejpeg($dst_img, '', $_quality_);
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}
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if(substr($_GET['img'],-3) == "gif") {
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  header("Content-type: image/gif");
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  $dst_img=ImageCreate($new_w,$new_h);
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  $src_img=ImageCreateFromGif($_image_);
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  ImagePaletteCopy($dst_img,$src_img);
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  ImageCopyResized($dst_img,$src_img,0,0,0,0,$new_w,$new_h,ImageSX($src_img),ImageSY($src_img));
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  $img = Imagegif($dst_img,'', $_quality_);
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}
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if(substr($_GET['img'],-3) == "png") {
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  header("Content-type: image/png");
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  $dst_img=ImageCreate($new_w,$new_h);
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  $src_img=ImageCreateFromPng($_image_);
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  ImagePaletteCopy($dst_img,$src_img);
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  ImageCopyResized($dst_img,$src_img,0,0,0,0,$new_w,$new_h,ImageSX($src_img),ImageSY($src_img));
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  $img = Imagepng($dst_img,'', $_quality_);
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}
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?>