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<?php declare(strict_types = 0);
/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
** See the GNU Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/
class CSvgGraphPercentile extends CSvgGroup {
private const LABEL_FONT_SIZE = 10;
private const LABEL_MARGIN = 4;
private const ZBX_STYLE_CLASS = 'svg-graph-percentile';
private $color;
private $side;
private $label;
private $value;
private $min;
private $max;
public function __construct($label, $value, $min, $max) {
parent::__construct();
$this->label = $label;
$this->value = $value;
$this->min = $min;
$this->max = $max;
}
public function setColor(string $color): self {
$this->color = $color;
return $this;
}
public function setSide(int $side): self {
$this->side = $side;
return $this;
}
public function makeStyles(): array {
return [
'.'.self::ZBX_STYLE_CLASS.'-'.$this->side.' line' => [
'stroke' => $this->color
],
'.'.self::ZBX_STYLE_CLASS.'-'.$this->side.' text' => [
'font-size' => self::LABEL_FONT_SIZE.'px',
'fill' => $this->color
]
];
}
private function draw(): void {
$total = $this->max - $this->min;
if ($total == INF) {
$total = $this->max / 10 - $this->min / 10;
$fraction = $this->value / 10 - $this->min / 10;
}
else {
$fraction = $this->value - $this->min;
}
$y = $this->height + $this->y - CMathHelper::safeMul([
$this->height, $fraction, 1 / $total
]);
$label_x = ($this->side == GRAPH_YAXIS_SIDE_RIGHT)
? $this->width + $this->x - self::LABEL_MARGIN
: $this->x + self::LABEL_MARGIN;
$this->addItem([
new CSvgLine($this->x, $y, $this->x + $this->width, $y),
(new CSvgText($this->label, $label_x, $y - self::LABEL_MARGIN / 2))
->setAttribute('text-anchor', $this->side == GRAPH_YAXIS_SIDE_RIGHT ? 'end' : null)
]);
}
public function toString($destroy = true): string {
$this
->addClass(self::ZBX_STYLE_CLASS)
->addClass(self::ZBX_STYLE_CLASS.'-'.$this->side)
->draw();
return parent::toString($destroy);
}
}
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