forked from pronix/carumba
/
image.php
162 lines (127 loc) · 4.32 KB
/
image.php
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<?php
if($_GET['qID']){$qID = $_GET['qID'];} else {$qID = $_POST['qID'];}
$dblink = mysql_connect("localhost","webcarumba","6Fasj6FQ7d");
mysql_select_db("carumba", $dblink);
mysql_query("SET NAMES 'cp1251'");
mysql_query("SET CHARACTER SET cp1251");
$voteResults = getVoteResults($qID);
mysql_close($dblink);
// Çàäàäèì çíà÷åíèå è ïîäïèñè
$VALUES=Array();
$LEGEND=Array();
$sum = 0;
foreach($voteResults[0]['answers'] as $key=>$value) {
$sum += $value;
}
foreach($voteResults[0]['answers'] as $key=>$value) {
$VALUES[] = $value;
//$LEGEND[] = $key." - ".round($value/$sum*100)."% ";
}
//$VALUES=Array(100,200,300,400,500,400,300);
//$LEGEND=Array("John","Bob","Alex","Mike","Andrew","Greg");
// Ñîçäàäèì èçîáðàæåíèÿ
header("Content-Type: image/png");
$im=ImageCreate(195,119);
// Çàäàäèì öâåò ôîíà. Íåìíîãî æåëòîâàòûé, äëÿ òîãî, ÷òîáû áûëî
// âèäíî ãðàíèöû èçîáðàæåíèÿ íà áåëîì ôîíå.
$bgcolor=ImageColorAllocate($im,255,255,255);
// Çàäàäèì öâåòà ýëåìåíòîâ
$COLORS[0] = imagecolorallocate($im, 209, 21, 61);
$COLORS[1] = imagecolorallocate($im, 209, 21, 171);
$COLORS[2] = imagecolorallocate($im, 109, 21, 209);
$COLORS[3] = imagecolorallocate($im, 21, 92, 209);
$COLORS[4] = imagecolorallocate($im, 21, 185, 209);
$COLORS[5] = imagecolorallocate($im, 21, 209, 136);
$COLORS[6] = imagecolorallocate($im, 0, 153, 102);
$COLORS[7] = imagecolorallocate($im, 209, 207, 21);
$COLORS[8] = imagecolorallocate($im, 209, 118, 21);
$COLORS[9] = imagecolorallocate($im, 209, 74, 21);
$COLORS[10] = imagecolorallocate($im, 137, 91, 74);
$COLORS[11] = imagecolorallocate($im, 82, 56, 47);
// Çàäàäèì öâåòà òåíåé ýëåìåíòîâ
$SHADOWS[0] = imagecolorallocate($im, 146, 15, 43);
$SHADOWS[1] = imagecolorallocate($im, 146, 15, 119);
$SHADOWS[2] = imagecolorallocate($im, 76, 15, 146);
$SHADOWS[3] = imagecolorallocate($im, 15, 64, 146);
$SHADOWS[4] = imagecolorallocate($im, 15, 129, 146);
$SHADOWS[5] = imagecolorallocate($im, 15, 146, 95);
$SHADOWS[6] = imagecolorallocate($im, 0, 107, 71);
$SHADOWS[7] = imagecolorallocate($im, 146, 144, 15);
$SHADOWS[8] = imagecolorallocate($im, 146, 82, 15);
$SHADOWS[9] = imagecolorallocate($im, 146, 52, 15);
$SHADOWS[10] = imagecolorallocate($im, 87, 41, 24);
$SHADOWS[11] = imagecolorallocate($im, 32, 6, 0);
// Âûçîâ ôóíêöèè ðèñîâàíèÿ äèàãðàììû
Diagramm($im,$VALUES,$LEGEND);
// Ãåíåðàöèÿ èçîáðàæåíèÿ
$image = ImagePNG($im);
// $im - èäåíòèôèêàòîð èçîáðàæåíèÿ
// $VALUES - ìàññèâ ñî çíà÷åíèÿìè
// $LEGEND - ìàññèâ ñ ïîäïèñÿìè
function getVoteResults($qID)
{
$voteResults = Array();
$query = "SELECT qID, sID, Question, Ans1, Ans2, Ans3,
Ans4, Ans5, Ans6, Ans7, Ans8, Ans9, Ans10
FROM pm_vote
WHERE
isActive = 1 && qID = '".$qID."'
";
$result = mysql_query($query);
if(mysql_num_rows($result)) {
$j = 0;
while($vote = mysql_fetch_assoc($result)) {
for($i = 1; $i < 11; $i++) {
if($vote["Ans$i"]) {
$qAns = "SELECT qID FROM pm_vote_results WHERE qID = '".$vote['qID']."' && aID = '".$i."'";
$rAns = mysql_query($qAns);
$voteResults[$j]['answers'][$vote["Ans$i"]] = mysql_num_rows($rAns);
}
}
$voteResults[$j]['question'] = $vote['Question'];
$voteResults[$j]['qID'] = $vote['qID'];
$j++;
}
}
return $voteResults;
}
function Diagramm($im,$VALUES,$LEGEND) {
GLOBAL $COLORS,$SHADOWS;
$black=ImageColorAllocate($im,0,0,0);
// Ïîëó÷èì ðàçìåðû èçîáðàæåíèÿ
$W=ImageSX($im);
$H=ImageSY($im);
// Âûâîä êðóãîâîé äèàãðàììû ----------------------------------------
$total=array_sum($VALUES);
$anglesum=$angle=Array(0);
$i=1;
// Ðàñ÷åò óãëîâ
while ($i<count($VALUES)) {
$part=$VALUES[$i-1]/$total;
$angle[$i]=floor($part*360);
$anglesum[$i]=array_sum($angle);
$i++;
}
$anglesum[]=$anglesum[0];
// Ðàñ÷åò äèàìåòðà
$diametr=$W;
// Ðàñ÷åò êîîðäèíàò öåíòðà ýëëèïñà
$circle_x=($diametr/2);
$circle_y=$H/2-10;
// Ïîïðàâêà äèàìåòðà, åñëè ýëëèïñ íå ïîìåùàåòñÿ ïî âûñîòå
//if ($diametr>($H*2)-10) $diametr=($H*2)-40;
// Âûâîä òåíè
for ($j=20;$j>0;$j--)
for ($i=0;$i<count($anglesum)-1;$i++)
ImageFilledArc($im,$circle_x,$circle_y+$j,
$diametr,$diametr/2-10,
$anglesum[$i],$anglesum[$i+1],
$SHADOWS[$i],IMG_ARC_PIE);
// Âûâîä êðóãîâîé äèàãðàììû
for ($i=0;$i<count($anglesum)-1;$i++)
ImageFilledArc($im,$circle_x,$circle_y,
$diametr,$diametr/2-10,
$anglesum[$i],$anglesum[$i+1],
$COLORS[$i],IMG_ARC_PIE);
}
?>