1<?php
2
3/**
4 *    pChart - a PHP class to build charts!
5 *
6 *    This program is free software: you can redistribute it and/or modify
7 *    it under the terms of the GNU General Public License as published by
8 *    the Free Software Foundation, either version 1,2,3 of the License, or
9 *    (at your option) any later version.
10 *
11 *    This program is distributed in the hope that it will be useful,
12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *    GNU General Public License for more details.
15 *
16 *    You should have received a copy of the GNU General Public License
17 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19
20class ShadowProperties {
21	private function __construct() {
22
23	}
24
25	static public function FromDefaults() {
26		$properties = new ShadowProperties;
27
28		$properties->active = false;
29
30		return $properties;
31	}
32
33	static public function FromSettings($xDistance, $yDistance, Color $color, $alpha = 50, $blur = 0) {
34		$properties = new ShadowProperties;
35
36		$properties->active = true;
37		$properties->xDistance = $xDistance;
38		$properties->yDistance = $yDistance;
39		$properties->color = $color;
40		$properties->alpha = $alpha;
41		$properties->blur = $blur;
42
43		return $properties;
44	}
45
46	/**
47	 * Instantiate a new ShadowProperties with the same settings as
48	 * the one passed in. Essentially this is a clone method.
49	 *
50	 * @todo clone appears to be a reserved word in PHP, is there
51	 * actually any special clone functionality? I can't RTFM at the
52	 * moment as the internet connection is down.
53	 */
54	static public function Copy(ShadowProperties $other) {
55		$copy = ShadowProperties::FromSettings($other->xDistance,
56											   $other->yDistance,
57											   $other->color,
58											   $other->alpha,
59											   $other->blur);
60		$copy->active = $other->active;
61
62		return $copy;
63	}
64
65	static public function NoShadow() {
66		return self::FromDefaults();
67	}
68
69	public function __toString() {
70		return sprintf("ShadowProperties<%d, %d, %d, %s, %d, %d>",
71					   $this->active, $this->xDistance, $this->yDistance,
72					   $this->color, $this->alpha, $this->blur);
73	}
74
75	public $active;
76	public $xDistance;
77	public $yDistance;
78	public $color;
79	public $alpha;
80	public $blur;
81}