<?
$jaar_1 = $_GET['jaar_1'];
$grafiek_1 = $_GET['waarden_1'];
$grafiek_1_1 = $_GET['nummer_1'];
$grafiek_1_2 = $_GET['nummer_2'];
$grafiek_1_3 = $_GET['nummer_3'];
$jaar_2 = $_GET['jaar_2'];
$jaar_3 = $_GET['jaar_3'];
$grafiek_2 = $_GET['waarden_2'];
$grafiek_3 = $_GET['waarden_3'];
$naam = $_GET['naam'];
$grafiek_1b = explode("|",$grafiek_1);
$grafiek_1_1b = explode("|",$grafiek_1_1);
$grafiek_1_2b = explode("|",$grafiek_1_2);
$grafiek_1_3b = explode("|",$grafiek_1_3);
$grafiek_2b = explode("|",$grafiek_2);
$grafiek_3b = explode("|",$grafiek_3);

// Add values to the graph
$graphValues_1=$grafiek_1b;
$graphValues_1_1=$grafiek_1_1b;
$graphValues_1_2=$grafiek_1_2b;
$graphValues_1_3=$grafiek_1_3b;
$graphValues_2=$grafiek_2b;
$graphValues_3=$grafiek_3b;
$x_as=array("jan","feb","mrt","apr","mei","jun","jul","aug","sep","okt","nov","dec");

// Define .PNG image
header("Content-type: image/png");
$imgWidth=700;
$imgHeight=550;

// Create image and define colors
$image=imagecreate($imgWidth, $imgHeight);
$colorWhite=imagecolorallocate($image, 255, 255, 255);
$colorBlack=imagecolorallocate($image, 0, 0, 0);
$colorGray=imagecolorallocate($image, 192, 192, 192);
$colorRed=imagecolorallocate($image, 255, 0, 0);
$colorBlue=imagecolorallocate($image, 0, 0, 255);
$colorGreen=imagecolorallocate($image, 0, 192, 0);

$colorGoud=imagecolorallocate($image, 255, 215, 0);
$colorZilver=imagecolorallocate($image, 192, 192, 192);
$colorBrons=imagecolorallocate($image, 204, 153, 51);

//Berekenen positie en weergeven Titel en subtitel
$titel="Plaatsing totaalklassement Weerpoll";
$pos_titel=350-round(((strlen($titel)*7)/2),0);
$pos_naam=350-round(((strlen($naam)*7)/2),0);
ImageString($image, 3, $pos_titel, 0, $titel, $colorBlack);
ImageString($image, 3, $pos_naam, 10, $naam, $colorBlack);
//Einde

//Beschrijving assen (Y-as / X-as)
ImageStringup($image, 3,  0, 325, "Plaats in totaalklassement", $colorBlack);
$pos_titel_x=350-round(((strlen("Maand")*7)/2),0);
ImageString($image, 3, $pos_titel_x, 485, "Maand", $colorBlack);
//Einde

//Legenda
if ($grafiek_2 == "") {
	$pos_legenda=225-round(((strlen("20$jaar_1")*7)/2),0);
	ImageString($image, 3, 670, $pos_legenda, "20$jaar_1", $colorRed);
} else {
	$pos_legenda=225-round(((strlen($jaar_1)*7)/2),0);
	ImageString($image, 3, 670, $pos_legenda, "20$jaar_1", $colorRed);
	ImageString($image, 3, 670, $pos_legenda+20, "20$jaar_2", $colorBlue);
	ImageString($image, 3, 670, $pos_legenda+40, "20$jaar_3", $colorGreen);
}
//Einde

//Tekenen randen rond grafiek
imageline($image, 50, 50, 50, 455, $colorBlack); //border links
imageline($image, 45, 50, 650, 50, $colorBlack); // border boven
imageline($image, 650, 50, 650, 455, $colorBlack); //border rechts
imageline($image, 45, 450, 650, 450, $colorBlack); //border onder
//Einde

//Tekenen gridlijnen
$j=47;
$x=44;
$y=0;
$value=400;
for ($i=60; $i<=440; $i=$i+10){
	imageline($image, 45, $i, 650, $i, $colorGray); // horizontale lijnen
	ImageStringup($image, 2,  $x, 475, $x_as[$y], $colorBlack); //as verdeling x-as
	if ($value >= 0 ) {
		ImageString($image, 1,  25, $j, $value, $colorBlack); //as verdeling y-as
		$value=$value-50;
	}
	$j=$j+50;
	$x=$x+50;
	$y=$y+1;
}

for ($i=60; $i<=640; $i=$i+10){
	imageline($image, $i, 50, $i, 455, $colorGray); //verticale lijnen
}
//Einde

$aantal_graphvalues_1 = count ($graphValues_1);
$aantal_graphvalues_1 = $aantal_graphvalues_1-1;

for ($i=0; $i < $aantal_graphvalues_1; $i++) {
	if ($grafiek_2 == "") {
		imageline($image, (50+($i*50)), (450-$graphValues_1[$i]), (50+(($i+1)*50)), (450-$graphValues_1[$i+1]), $colorRed);
		ImageString($image, 1,  (44+($i*50)), (435-$graphValues_1[$i]), $graphValues_1[$i], $colorBlack);

		imageline($image, (50+($i*50)), (450-$graphValues_1_1[$i]), (50+(($i+1)*50)), (450-$graphValues_1_1[$i+1]), $colorGoud);
		//ImageString($image, 1,  (44+($i*50)), (435-$graphValues_1_1[$i]), $graphValues_1_1[$i], $colorBlack);

		imageline($image, (50+($i*50)), (450-$graphValues_1_2[$i]), (50+(($i+1)*50)), (450-$graphValues_1_2[$i+1]), $colorZilver);
		//ImageString($image, 1,  (44+($i*50)), (435-$graphValues_1_2[$i]), $graphValues_1_2[$i], $colorBlack);

		imageline($image, (50+($i*50)), (450-$graphValues_1_3[$i]), (50+(($i+1)*50)), (450-$graphValues_1_3[$i+1]), $colorBrons);
		//ImageString($image, 1,  (44+($i*50)), (435-$graphValues_1_3[$i]), $graphValues_1_3[$i], $colorBlack);
	} else {
		if ($grafiek_3 == "") {
			imageline($image, (50+($i*50)), (450-$graphValues_1[$i]), (50+(($i+1)*50)), (450-$graphValues_1[$i+1]), $colorRed);
			ImageString($image, 1,  (44+($i*50)), (435-$graphValues_1[$i]), $graphValues_1[$i], $colorBlack);

			imageline($image, (50+($i*50)), (450-$graphValues_2[$i]), (50+(($i+1)*50)), (450-$graphValues_2[$i+1]), $colorBlue);
			ImageString($image, 1,  (44+($i*50)), (435-$graphValues_2[$i]), $graphValues_2[$i], $colorBlack);
		} else {
			imageline($image, (50+($i*50)), (450-$graphValues_1[$i]), (50+(($i+1)*50)), (450-$graphValues_1[$i+1]), $colorRed);
			ImageString($image, 1,  (44+($i*50)), (435-$graphValues_1[$i]), $graphValues_1[$i], $colorBlack);

			imageline($image, (50+($i*50)), (450-$graphValues_2[$i]), (50+(($i+1)*50)), (450-$graphValues_2[$i+1]), $colorBlue);
			ImageString($image, 1,  (44+($i*50)), (435-$graphValues_2[$i]), $graphValues_2[$i], $colorBlack);

				imageline($image, (50+($i*50)), (450-$graphValues_3[$i]), (50+(($i+1)*50)), (450-$graphValues_3[$i+1]), $colorGreen);
			ImageString($image, 1,  (44+($i*50)), (435-$graphValues_3[$i]), $graphValues_3[$i], $colorBlack);
		}
	}
	//imagesetpixel($image, (50+($i*30)), (750-$graphValues[$i]), $colorBlue);
	$laatste=$i+1;
}

if ($grafiek_2 == "") {
	ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_1[$aantal_graphvalues_1]), $graphValues_1[$aantal_graphvalues_1], $colorBlack);
	//ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_1_1[$aantal_graphvalues_1]), $graphValues_1_1[$aantal_graphvalues_1], $colorBlack);
	//ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_1_2[$aantal_graphvalues_1]), $graphValues_1_2[$aantal_graphvalues_1], $colorBlack);
	//ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_1_3[$aantal_graphvalues_1]), $graphValues_1_3[$aantal_graphvalues_1], $colorBlack);
} else {
	if ($grafiek_3 == "") {
		ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_1[$aantal_graphvalues_1]), $graphValues_1[$aantal_graphvalues_1], $colorBlack);
		ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_2[$aantal_graphvalues_1]), $graphValues_2[$aantal_graphvalues_1], $colorBlack);
	} else {
		ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_1[$aantal_graphvalues_1]), $graphValues_1[$aantal_graphvalues_1], $colorBlack);
		ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_2[$aantal_graphvalues_1]), $graphValues_2[$aantal_graphvalues_1], $colorBlack);
		ImageString($image, 1,  (44+($laatste*50)), (435-$graphValues_3[$aantal_graphvalues_1]), $graphValues_3[$aantal_graphvalues_1], $colorBlack);
	}
}

// Output graph and clear image from memory
imagepng($image);
imagedestroy($image);
?>