hey guys,
I have this php code that receives variables form flash to create image which works fine.
what i want to do is save that image after its been created on my server instead of showing it as is in the code below.

how do i go abut that to save it in this folder -----flashimages/

Or ideally save it to a database.

thanks guys.


 * Get the width and height of the destination image
 * from the POST variables and convert them into
 * integer values
$w = (int)$_POST['width'];
$h = (int)$_POST['height'];

// create the image with desired width and height

$img = imagecreatetruecolor($w, $h);

// now fill the image with blank color
// do you remember i wont pass the 0xFFFFFF pixels
// from flash?
imagefill($img, 0, 0, 0xFFFFFF);

$rows = 0;
$cols = 0;

// now process every POST variable which
// contains a pixel color
for($rows = 0; $rows < $h; $rows++){
   // convert the string into an array of n elements
   $c_row = explode(",", $_POST['px' . $rows]);
   for($cols = 0; $cols < $w; $cols++){
      // get the single pixel color value
      $value = $c_row[$cols];
      // if value is not empty (empty values are the blank pixels)
      if($value != ""){
         // get the hexadecimal string (must be 6 chars length)
         // so add the missing chars if needed
         $hex = $value;
         while(strlen($hex) < 6){
            $hex = "0" . $hex;
         // convert value from HEX to RGB
         $r = hexdec(substr($hex, 0, 2));
         $g = hexdec(substr($hex, 2, 2));
         $b = hexdec(substr($hex, 4, 2));
         // allocate the new color
         // N.B. teorically if a color was already allocated
         // we dont need to allocate another time
         // but this is only an example
         $test = imagecolorallocate($img, $r, $g, $b);
         // and paste that color into the image
         // at the correct position
         imagesetpixel($img, $cols, $rows, $test);

// print out the correct header to the browser
// display the image
imagejpeg($img, "", 90);

All you need to do is specify the location in the function, change:

imagejpeg($img, "", 90);


imagejpeg($img, "/flashimages/filename.jpg", 90);

Or, generate a name for the image and store it in a variable:

//Generate the image name
$image_dir = "/flashimages/";
$image_name = "something.jpg";
imagejpeg($img, $image_dir . $image_name, 90);

I am working on the same problem right now and will post the code when i am done, probably in a day or two.

This article has been dead for over six months. Start a new discussion instead.