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* @since 2.0.8 */ class Svg extends BaseObject { /** * @var int Max X coordinate */ public $x = 1920; /** * @var int Max Y coordinate */ public $y = 40; /** * @var string Stroke color */ public $stroke = '#1e6823'; /** * @var array Listen messages panels */ public $listenMessages = ['log', 'profiling']; /** * @var array Color indicators svg graph. */ public $gradient = [ 10 => '#d6e685', 60 => '#8cc665', 90 => '#44a340', 100 => '#1e6823' ]; /** * @var string Svg template */ public $template = '
{linearGradient}
'; /** * ```php * [ * [x, y] * ] * ``` * @var array Each point is define by a X and a Y coordinate. */ protected $points = []; /** * @var TimelinePanel */ protected $panel; /** * {@inheritdoc} */ 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[$panel]->data['messages']); } } } /** * @return string */ public function __toString() { if ($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}' => $this->linearGradient() ]); } /** * @return bool Has points */ public function hasPoints() { return ($this->points !== []); } /** * @param array $messages log messages. See [[Logger::messages]] for the structure * @return int added points */ protected function addPoints($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; } /** * @return string Points attribute for polygon path */ 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); } /** * @return string Points attribute for polyline path */ 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); } /** * @return string */ protected function linearGradient() { $gradient = '
'; foreach ($this->gradient as $percent => $color) { $gradient .= '
'; } return $gradient . '
'; } }