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<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Class to generate SVG arrow.
*/
class CSvgArrow extends CSvg {
const ZBX_STYLE_ARROW = 'svg-arrow';
const ZBX_STYLE_ARROW_UP = 'svg-arrow-up';
const ZBX_STYLE_ARROW_DOWN = 'svg-arrow-down';
const ZBX_STYLE_ARROW_UP_DOWN = 'svg-arrow-up-down';
/**
* Viewbox attribute fits the pixel-grid used in drawArrow function.
*
* @var string
*/
protected $viewbox = '0 0 6 10';
/**
* Options
*
* @var array
*/
protected $options;
/**
* @param array $options
* @param bool $options['up']
* @param bool $options['down']
* @param string $options['fill_color']
*/
function __construct(array $options = []) {
parent::__construct();
$this->options = $options + [
'up' => false,
'down' => false,
'fill_color' => null
];
$this->addClass(self::ZBX_STYLE_ARROW);
if ($this->options['up'] && $this->options['down']) {
$this->addClass(self::ZBX_STYLE_ARROW_UP_DOWN);
}
elseif ($this->options['up']) {
$this->addClass(self::ZBX_STYLE_ARROW_UP);
}
elseif ($this->options['down']) {
$this->addClass(self::ZBX_STYLE_ARROW_DOWN);
}
$fill_color = $this->options['fill_color']
? 'fill: #'.$this->options['fill_color']
: null;
$this
->setAttribute('viewBox', $this->viewbox)
->addItem(
(new CSvgPolygon($this->drawArrow()))->addStyle($fill_color)
);
}
/**
* Create polygon path for arrow shape.
*/
protected function drawArrow(): array {
/**
* Arrow pixel grid.
*
* XXXXXXX
* 0123456
* Y0 ..cde..
* Y1 ..###..
* Y2 .#####.
* Y3 b#a#g#f
* Y4 ..###..
* Y5 ..###..
* Y6 ..###..
* Y7 m#n#h#i
* Y8 .#####.
* Y9 ..###..
* Y10..lkj..
*/
[
$a, $b, $c, $d,
$e, $f, $g, $h,
$i, $j, $k, $l,
$m, $n
] = [
[2, 3], [0, 3], [2, 0], [3, 0],
[4, 0], [6, 3], [4, 3], [4, 7],
[6, 7], [4, 10], [3, 10], [2, 10],
[0, 7], [2, 7]
];
$head = $this->options['up']
? [$a, $b, $d, $f, $g]
: [$a, $c, $e, $g];
$foot = $this->options['down']
? [$h, $i, $k, $m, $n]
: [$h, $j, $l, $n];
return array_merge($head, $foot);
}
}