Class yii\debug\models\timeline\Svg

                public function __construct(TimelinePanel $panel, $config = [])
{
    parent::__construct($config);
    $this->panel = $panel;
    foreach ($this->listenMessages as $panel) {
        if (isset($this->panel->module->panels[$panel]->data['messages'])) {
            $this->addPoints($this->panel->module->panels[$panel]->data['messages']);
        }
    }
}

            

                public function __toString()
{
    if ($this->points === []) {
        return '';
    }
    return strtr($this->template, [
        '{x}' => StringHelper::normalizeNumber($this->x),
        '{y}' =>  StringHelper::normalizeNumber($this->y),
        '{stroke}' => $this->stroke,
        '{polygon}' => $this->polygon(),
        '{polyline}' => $this->polyline(),
        '{linearGradient}' => $this->linearGradient()
    ]);
}

            

                protected function addPoints($messages)
{
    $hasPoints = $this->hasPoints();
    $memory = $this->panel->memory / 100; // 1 percent memory
    $yOne = $this->y / 100; // 1 percent Y coordinate
    $xOne = $this->panel->duration / $this->x; // 1 percent X coordinate
    $i = 0;
    foreach ($messages as $message) {
        if (empty($message[5])) {
            break;
        }
        ++$i;
        $this->points[] = [
            ($message[3] * 1000 - $this->panel->start) / $xOne,
            $this->y - ($message[5] / $memory * $yOne),
        ];
    }
    if ($hasPoints && $i) {
        usort($this->points, function ($a, $b) {
            return ($a[0] < $b[0]) ? -1 : 1;
        });
    }
    return $i;
}

            

                public function hasPoints()
{
    return ($this->points !== []);
}

            

                protected function linearGradient()
{
    $gradient = '<linearGradient id="gradient" x1="0" x2="0" y1="1" y2="0">';
    foreach ($this->gradient as $percent => $color) {
        $gradient .= '<stop offset="' . StringHelper::normalizeNumber($percent) . '%" stop-color="' . $color . '"></stop>';
    }
    return $gradient . '</linearGradient>';
}

            

                protected function polygon()
{
    $str = "0 $this->y ";
    foreach ($this->points as $point) {
        list($x, $y) = $point;
        $str .= "{$x} {$y} ";
    }
    $str .= $this->x - 0.001 . " {$y} {$this->x} {$this->y}";
    return StringHelper::normalizeNumber($str);
}

            

                protected function polyline()
{
    $str = "0 $this->y ";
    foreach ($this->points as $point) {
        list($x, $y) = $point;
        $str .= "{$x} {$y} ";
    }
    $str .= "$this->x {$y}";
    return StringHelper::normalizeNumber($str);
}