How to rename and resize pictures?

[Anon]

I would like some help with picture-upload...

First I upload a picture with a form like this:

<form encrypt="multipart/form-data" action="billede.php3">
<input type="file" name="file">
<input type="submit">

Then I would like to first resize the picture 90x90. After that I would like to rename it so the first picture is called 1.jpg and the secound is called 2.jpg and so on... Finally upload it to dir /images/

Is there anyone that can help me...?

[Anon]

Just finished doing just this.

Because GD no longer supports GIFs - the best way to do this is through the use of image magick.

The function you will want is:

function uploadImage($image, $fileName, $path, $HTTP_POST_FILES)
{
global $REGISTERED_TYPES, $ALLOWED_IMAGE_TYPES;

// image is the name of the control in my form
$type = $HTTP_POST_FILES['image']['type'];

if (in_array($type, $ALLOWED_IMAGE_TYPES))
{
	if (!is_uploaded_file($image))
	{
		throwError("Error moving file $image: File was not sent by a post request",
				   "common_image.php",
				   "");
	}

	// Determing the image type so that image magick can
	// convert it correctly
	$extension = $REGISTERED_TYPES[$type];

	// Use system so that the php engine waits for the image
	// to be made before moving on.
	system(IMAGE_MAGICK_CONVERT . " $extension:$image PNG:$path" . 
	       "/$fileName" . ".png");

}
else
{
	throwError("Invalid File Type - Only Images are allowed",
	   "common_image.php",
	   "");
}

}

I am checking that files are 'allowed images' first also:

/**
IMAGE LOOKUP STUFF
/

$ALLOWED_IMAGE_TYPES = array(
"image/gif",
"image/pjpeg",
"image/jpeg",
"image/png"
);

$REGISTERED_TYPES = array(
"image/gif" => "gif",
"image/pjpeg" => "jpg",
"image/jpeg" => "jpg",
"image/png" => "png"
);

//--------------------------------------------------------------

You'll need to get image magick www.imagemagick.org.

Hope that helps

Marc