<?php
class CaptchaView{

    //$answer = "Answer";
    //$NewTryButton = "NewTryButton";

    function MakeCaptchaView(){
        //Du ska möjligtvis ha imagestring som inparameter här.
        echo "Testing CaptchaView";
        $img = imagecreate(80,50); //Ska eventuellt vara 000 istället.
        $background =  imagecolorallocate( $img, 0, 0, 255 );
        $text_colour = imagecolorallocate( $img, 255, 255, 0 );
        $line_colour = imagecolorallocate( $img, 128, 255, 0 );
        imageline( $img, 30, 45, 165, 45, $line_colour );
        imagestring( $img, 4, 30, 25, "myRandomString",
        $text_colour );
        imagefill($img, 0, 0, $background);
        header( "Content-type: image/png" );
        imagepng( $img );

        imagecolordeallocate( $line_color );
        imagecolordeallocate( $text_color );
        imagecolordeallocate( $background );
        imagedestroy( $img ); //Bör man verkligen kalla på det här här.
        return $img;
    }


    function NewCaptchaButton(){
        return '<form name="input"  method="get">
        <input type="submit" name="NewTryButton" value="Ny Captcha?" />
        </form>';
     }

     public function WantsNewCaptcha(){
        if (isset( $_GET[$this->NewTryButton])) {

          return true;
        }
        else {
            return false;
        }
      }

     function getAnswer(){
        return '<form action="demo_form.asp">
                    Whats in da captcha: <input type="text" name="Answer"><br>
                    <input type="submit" value="Answer">
                </form>';
     }

     public function GetUserName(){
        if (isset( $_GET[$this->Answer])) {

          return $_GET[$this->Answer];
        }
        else {
            return null;
        }
      }

    //Kör även en isSet funktion som kollar om användaren vill ha en ny bild.
}