<?php
//require_once('dbconn.inc.php');

function Diagramm($im,$VALUES,$LEGEND,$total) {
    GLOBAL $COLORS,$SHADOWS;

    $white=ImageColorAllocate($im,255,255,255);
    $black=ImageColorAllocate($im,0,0,0);
    $font_file = 'TimesNewRomanBold.ttf';
    $W=ImageSX($im);                 
    $H=ImageSY($im);

// Header 

	imagettftext($im,25,0,200,80,$black,$font_file,"Total Submissions: ".$total);

// Plot legends #################################
		
	$legend_count=count($LEGEND);

	$max_length=0;
        foreach($LEGEND as $v) if ($max_length<strlen($v)) $max_length=strlen($v);

// Fonts parametr
        $FONT=5;
	$font_w=ImageFontWidth($FONT);
	$font_h=ImageFontHeight($FONT);


// Coordinats legends

	$l_width=($font_w*$max_length)+$font_h+10+5+10;
	$l_height=$font_h*$legend_count+10+10;


	$l_x1=$W-$l_width - 70;
	$l_y1=($H-$l_height)/8;
//	ImageRectangle($im, $l_x1, $l_y1, $l_x1+$l_width, $l_y1+$l_height, $white);
//	$text_x=$l_x1+10+5+$font_h;
	$text_x=$l_x1+10+5+30;
	$square_x=$l_x1+20;
	$y=$l_y1+10;

	$i=0;
	foreach($LEGEND as $v) {
//		$dy=$y+($i*$font_h);
		$dy=$y+($i*30);
		//ImageString($im, $FONT, $text_x, $dy, $v, $black);
		imagettftext($im,20,0,$text_x,$dy, $COLORS[$i],$font_file,$v);
		ImageFilledRectangle($im,$square_x+1,$dy+1,$square_x+$font_h-1,$dy-15, $COLORS[$i]);
//		ImageFilledRectangle($im,$square_x+1,$dy+1,$square_x+$font_h-1,$dy+$font_h-1, $COLORS[$i]);
//                ImageRectangle($im,$square_x+1,$dy+1,$square_x+$font_h-1,$dy+$font_h-1,$black);
                $i++;

		}

// Plot diagrams----------------------------
	$total=array_sum($VALUES);
	$anglesum=$angle=Array(0);
	$i=1;
// angles
        while ($i<count($VALUES)) {
		$part=$VALUES[$i-1]/$total;
		$angle[$i]=floor($part*360);
		$anglesum[$i]=array_sum($angle);
		$i++;
	}
	$anglesum[]=$anglesum[0];
// calc diametr
	$diametr=$l_x1-10-10;
// X and Y
        $circle_x=($diametr/2)+40;
	$circle_y=$H/2-10;

//Correct diametr
	if ($diametr>($H*2)-10-10) $diametr=($H*2)-20-20-40;
// Shadow
	for ($j=20;$j>0;$j--)
	for ($i=0;$i<count($anglesum)-1;$i++)
	ImageFilledArc($im,$circle_x,$circle_y+$j,$diametr,$diametr/2,$anglesum[$i],$anglesum[$i+1],$SHADOWS[$i],IMG_ARC_PIE);
    
        for ($i=0;$i<count($anglesum)-1;$i++){
	ImageFilledArc($im,$circle_x,$circle_y,$diametr,$diametr/2,$anglesum[$i],$anglesum[$i+1],$COLORS[$i],IMG_ARC_PIE);
//	ImageFilledArc($im,$circle_x ,$circle_y,$diametr,$diametr,$anglesum[$i],$anglesum[$i+1],$COLORS[$i],IMG_ARC_PIE);
	$procent = round(($VALUES[$i]/array_sum($VALUES))*100)." %";
	if ($anglesum[$i+1] == 0) $anglesum[$i+1] = 360;
	$arcs = (($anglesum[$i+1]-$anglesum[$i])/2) + $anglesum[$i];
	$xt = -round(cos($arcs*3.1418/180)*($diametr/2+25));	
	$yt = -round(sin($arcs*3.1418/180)*($diametr/3));
//	ImageString($im, $FONT, 0,20*($i+1),"x = ".($xt)." y = ".($yt). " angle = ".$arcs . " anglesum =".$anglesum[$i+1], $black);			
	imagettftext($im,30,0,$circle_x-$xt,$circle_y-$yt,$black,$font_file,$procent);
	}
}
if (isset($_GET['uid'])){print $_GET['uid'];


}
else{
$VALUES=Array(5,1,2);
$LEGEND=Array("Malware","Safe","Unknown");
$total_sub = "8 - 'this test diagrams'";

header("Content-Type: image/png");
$W=500*2;
$H=500*2;

$im=ImageCreate($W,$H);

$imd=imagecreatetruecolor($W/2,$H/2);

$bgcolor=ImageColorAllocate($im,255,255,210);

$COLORS[0] = imagecolorallocate($im, 255, 203, 3);
$COLORS[1] = imagecolorallocate($im, 220, 101, 29);
$COLORS[2] = imagecolorallocate($im, 189, 24, 51);

// Зададим цвета теней элементов
$SHADOWS[0] = imagecolorallocate($im, 205, 153, 0);
$SHADOWS[1] = imagecolorallocate($im, 170, 51, 0);
$SHADOWS[2] = imagecolorallocate($im, 139, 0, 1);

// Вызов функции рисования диаграммы
Diagramm($im,$VALUES,$LEGEND,$total_sub);
imagecopyresampled($imd,$im,0,0,0,0,$W/2,$H/2,$W,$H);
imagedestroy($im);

imagepng($imd);
imagedestroy($imd);
}
?>