<?php  $image_file = $_GET['src'];  $corner_radius = isset($_GET['radius']) ? $_GET['radius'] : 20; // The default corner radius is set to 20px  $topleft = (isset($_GET['topleft']) and $_GET['topleft'] == "no") ? false : true; // Top-left rounded corner is shown by default  $bottomleft = (isset($_GET['bottomleft']) and $_GET['bottomleft'] == "no") ? false : true; // Bottom-left rounded corner is shown by default  $bottomright = (isset($_GET['bottomright']) and $_GET['bottomright'] == "no") ? false : true; // Bottom-right rounded corner is shown by default  $topright = (isset($_GET['topright']) and $_GET['topright'] == "no") ? false : true; // Top-right rounded corner is shown by default  $imagetype=strtolower($_GET['imagetype']);  $backcolor=$_GET['backcolor'];  $endsize=$corner_radius;  $startsize=$endsize*3-1;  $arcsize=$startsize*2+1;      if (($imagetype=='jpeg') or ($imagetype=='jpg')) {  $image = imagecreatefromjpeg($image_file);  } else {  if (($imagetype=='GIF') or ($imagetype=='gif')) {  $image = imagecreatefromgif($image_file);  } else {  $image = imagecreatefrompng($image_file);  }  }          $size = getimagesize($image_file);  // Top-left corner  $background = imagecreatetruecolor($size[0],$size[1]);  imagecopymerge($background, $image, 0, 0, 0, 0, $size[0], $size[1], 100);  $startx=$size[0]*2-1;  $starty=$size[1]*2-1;  $im_temp = imagecreatetruecolor($startx,$starty);  imagecopyresampled($im_temp, $background, 0, 0, 0, 0, $startx, $starty, $size[0], $size[1]);  $bg = imagecolorallocate($im_temp, hexdec(substr($backcolor,0,2)),hexdec(substr($backcolor,2,2)),hexdec(substr($backcolor,4,2)));  $fg = imagecolorallocate($im_temp, hexdec(substr($forecolor,0,2)),hexdec(substr($forecolor,2,2)),hexdec(substr($forecolor,4,2)));      if ($topleft == true) {  imagearc($im_temp, $startsize, $startsize, $arcsize, $arcsize, 180,270,$bg);  imagefilltoborder($im_temp,0,0,$bg,$bg);  }      // Bottom-left corner  if ($bottomleft == true) {  imagearc($im_temp, $startsize, $starty-$startsize,$arcsize, $arcsize, 90,180,$bg);  imagefilltoborder($im_temp,0,$starty,$bg,$bg);  }      // Bottom-right corner  if ($bottomright == true) {  imagearc($im_temp, $startx-$startsize, $starty-$startsize,$arcsize, $arcsize, 0,90,$bg);  imagefilltoborder($im_temp,$startx,$starty,$bg,$bg);  }      // Top-right corner  if ($topright == true) {  imagearc($im_temp, $startx-$startsize, $startsize,$arcsize, $arcsize, 270,360,$bg);  imagefilltoborder($im_temp,$startx,0,$bg,$bg);  }          $newimage = imagecreatetruecolor($size[0],$size[1]);  imagecopyresampled($image, $im_temp, 0, 0, 0, 0, $size[0],$size[1],$startx, $starty);      // Output final image  header("Content-type: image/png");  imagepng($image);  imagedestroy($image);  imagedestroy($background);  imagedestroy($im_temp);  ?>