Save cropped data as a file

[yadavpeoplelink]

Can we save cropped image canvas data as a image file??

[melefabrizio]

I use this in the plugin options:

plugins: {
     ...
     save:{
              callback: function(){
                               this.darkroom.selfDestroy();
                               editorSaveCallback(this.darkroom.sourceCanvas.toDataURL());
                               }
     }
 }

The elaborated image in base64 is passed to my editorSaveCallback function, where I POST it via AJAX to a php script and do something similar to this:

    $file = fopen($fileName, "wb");

    $data = explode(',', $_POST['imagedata']);

    fwrite($file, base64_decode($data[1]));
    fclose($file);

This converts the image back to binary and writes it to a file, the format is the same of the image you called Darkroom on.