jdw
/
image-shot


			
				
					
						
						
							
							<?php
$target_dir = "uploads";
$url = "https://yourdomain.com";
$target_file = $target_dir."/".basename($_FILES["fileToUpload"]["name"]);
$img_sizes=array(400,600,800);
$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));

// Only run if it's post data
if(isset($_POST["submit"])) {

  // Authenticate-ish
  $images_salt=trim(file_get_contents("../../salt"));
  $post_salt=trim($_POST["post_salt"]);
  if ($images_salt != $post_salt ){ 
    die ("No");
  }

  // Make sure it is an image
  $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
  if($check == false) {
    echo "No";
    die();
  }
  
  // Check file size (10 MB)
  if ($_FILES["fileToUpload"]["size"] > 10000000) {
    echo "No.";
    die();
  }
  // Allow certain file formats
  if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg") {
    echo "No.";
    die();
  }
  // if everything is ok proceed
  $img=new Imagick($_FILES['fileToUpload']['tmp_name']);
  $head="<!DOCTYPE html>
<html>
<head>
<title>Image Shot!</title>
<meta name='viewport' content='width=device-width, initial-scale=1' />
</head>
<body>";
  $foot="</body>
</html>";

  print $head;

  // Do the resizing routine
  $img_width=$img->getImageWidth();

  // Unique filename
  $salt=date('U');
  $target_filename=md5($new_image_name.$salt

  for ( $i=0; $i<count($img_sizes); $i++ ) {
    if ($img_width > $img_sizes[$i] ){
      $img->adaptiveResizeImage($img_sizes[$i],$img_sizes[$i],TRUE);
    }
    else { next; }

    // Tmp file name
    $new_image_name=$_FILES['fileToUpload']['tmp_name']."_$i";

    // Strip exif data 
    $orientation = $img->getImageOrientation();
    $img->stripImage();
    $img=autorotate($img);
 
    // Save it
    $img->writeImage($new_image_name);

    if (copy($new_image_name, "$target_dir/$target_filename-".$img_sizes[$i].".$imageFileType")) {
      print "<img src='$url/$target_dir/$target_filename-".$img_sizes[$i].".$imageFileType' /><p />\n";
      print "<input type=text size=100 value='<img src=\"$url/$target_dir/$target_filename-".$img_sizes[$i].".$imageFileType\" />'/><br />\n";
      print "<input type=text size=100 value='![]($url/$target_dir/$target_filename-".$img_sizes[$i].".$imageFileType)'/><p />\n";
    } else {
        echo "Blerch. Something broke.<br />";
    }
    unlink ($new_image_name);
    imagedestroy($img);
    $img = new Imagick($_FILES['fileToUpload']['tmp_name']);
  }
  unlink ($_FILES['fileToUpload']['tmp_name']);
  print $foot;
}

// Orient it correctly
function autorotate(Imagick $img)
{
    switch ($img->getImageOrientation()) {
    case Imagick::ORIENTATION_TOPLEFT:
        break;
    case Imagick::ORIENTATION_TOPRIGHT:
        $img->flopImage();
        break;
    case Imagick::ORIENTATION_BOTTOMRIGHT:
        $img->rotateImage("#000", 180);
        break;
    case Imagick::ORIENTATION_BOTTOMLEFT:
        $img->flopImage();
        $img->rotateImage("#000", 180);
        break;
    case Imagick::ORIENTATION_LEFTTOP:
        $img->flopImage();
        $img->rotateImage("#000", -90);
        break;
    case Imagick::ORIENTATION_RIGHTTOP:
        $img->rotateImage("#000", 90);
        break;
    case Imagick::ORIENTATION_RIGHTBOTTOM:
        $img->flopImage();
        $img->rotateImage("#000", 90);
        break;
    case Imagick::ORIENTATION_LEFTBOTTOM:
        $img->rotateImage("#000", -90);
        break;
    default: // Invalid orientation
        break;
    }
    $img->setImageOrientation(Imagick::ORIENTATION_TOPLEFT);
    return $img;
}

?>