function drawGraph($x, $y, $w = GWIDTH, $h = GHEIGHT)
{
$im = @imagecreate($w, $h) or die("Cannot Initialize new GD image stream");
$backgroundColor = imagecolorallocate($im, 255, 255, 255);
$legend = array("Bad" => imagecolorallocate($im, 255, 0, 0), "Good" => imagecolorallocate($im, 51, 255, 255), "SSL" => imagecolorallocate($im, 250, 230, 0), "Fast" => imagecolorallocate($im, 0, 255, 0));
drawAxis($im, $w, $h, $x, $y, $legend);
imagepng($im, FILE);
imagedestroy($im);
}
function graph($name, $w, $h, $bgc, $fgc, $title, $xtitle, $ytitle, $numX, $xTitles, $xValues, $bc)
{
$top = 15;
$right = 5;
$left = 35;
$bottom = 25;
$image = ImageCreate($w, $h);
$cols = colours($image);
ImageFill($image, 0, 0, $cols[$bgc]);
drawAxis($image, $w, $h, $cols[$fgc], $top, $right, $left, $bottom);
drawLines($image, $w, $h, $cols[$fgc], $top, $right, $left, $bottom);
drawTitles($image, $w, $h, $cols[$fgc], $title, $xtitle, $ytitle);
drawXLables($image, $w, $h, $right, $left, $cols[$fgc], $numX, $xTitles);
$max = calcMaxDataItem($xValues, $numX);
drawYLables($image, $w, $h, $cols[$fgc], $top, $right, $left, $bottom, $max);
drawData($image, $w, $h, $cols[$bc], $top, $right, $left, $bottom, $numX, $xValues, $max);
ImageJPEG($image, $name);
ImageDestroy($image);
}
function drawPath($myDoc, $name, $n, $weights)
{
global $doc, $SCALE, $dx, $dy;
$path = $doc->createElement("path");
$myD = "";
if (isset($name) && $name != "") {
$tree = $myDoc->getWeightedSubTree($name, $weights);
} else {
$tree = $myDoc->getWeightedTree($weights);
}
/*N
$totalWeight = 0;
for ($i=0; $i < count($tree); $i++) {
$totalWeight = $totalWeight + $weights[$tree[$i]->name];
}*/
drawAxis(count($tree));
$angle = 0;
for ($i = 0; $i < count($tree); $i++) {
/*N $delta = $weights[$tree[$i]->name]*2*pi()/$totalWeight;
$angle_text = $angle + $delta/2;
$angle = $angle + $delta;
drawSingleAxis($angle);*/
$myD .= $i == 0 ? "M" : "L";
//N: should be commented
$angle = ($i + 1) * 2 * pi() / count($tree);
$x = $tree[$i]->score * $SCALE * cos($angle);
$x = $x + $dx;
$y = $tree[$i]->score * $SCALE * sin($angle);
$y = $y + $dy;
$myD .= " {$x} {$y} ";
//2.1 = 2 + 0.1 of padding before actual text display
//N: drawText(2.1*$SCALE*cos($angle_text), 2.1*$SCALE*sin($angle_text), $tree[$i]);
drawText(2.1 * $SCALE * cos($angle), 2.1 * $SCALE * sin($angle), $tree[$i]);
}
$myD .= "z";
$path->setAttribute("d", $myD);
$path->setAttribute("fill", getColor($n));
$path->setAttribute("fill-opacity", "0.2");
$path->setAttribute("stroke-width", "3");
$path->setAttribute("stroke", getColor($n));
return $path;
}
