e2pdf / vendors / svggraph / SVGGraphTrait.php

SVGGraphTrait.php in E2Pdf – Export Pdf Tool for WordPress 1.32.48, at vendors/svggraph/SVGGraphTrait.php

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1	<?php
2	/**
3	* Copyright (C) 2009-2019 Graham Breach
4	*
5	* This program is free software: you can redistribute it and/or modify
6	* it under the terms of the GNU Lesser General Public License as published by
7	* the Free Software Foundation, either version 3 of the License, or
8	* (at your option) any later version.
9	*
10	* This program is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU Lesser General Public License for more details.
14	*
15	* You should have received a copy of the GNU Lesser General Public License
16	* along with this program. If not, see <http://www.gnu.org/licenses/>.
17	*/
18	/**
19	* For more information, please contact <graham@goat1000.com>
20	*/
21
22	namespace Goat1000\SVGGraph;
23
24	trait SVGGraphTrait {
25
26	/**
27	* Assign values, either from an array or from numeric arguments
28	*/
29	public function values($values)
30	{
31	$this->values = is_array($values) ? $values : func_get_args();
32	}
33
34	/**
35	* Assign links to data items
36	*/
37	public function links($links)
38	{
39	$this->links = is_array($links) ? $links : func_get_args();
40	}
41
42	/**
43	* Assign a single colour set for use across datasets
44	*/
45	public function colours($colours)
46	{
47	$this->colours = new Colours($colours);
48	}
49
50	/**
51	* Sets colours for a single dataset
52	*/
53	public function colourSet($dataset, $colours)
54	{
55	$this->colours->set($dataset, $colours);
56	}
57
58	/**
59	* Sets up RGB colour range
60	*/
61	public function colourRangeRGB($dataset, $r1, $g1, $b1, $r2, $g2, $b2)
62	{
63	$this->colours->rangeRGB($dataset, $r1, $g1, $b1, $r2, $g2, $b2);
64	}
65
66	/**
67	* RGB colour range from hex codes
68	*/
69	public function colourRangeHexRGB($dataset, $c1, $c2)
70	{
71	$this->colours->rangeHexRGB($dataset, $c1, $c2);
72	}
73
74	/**
75	* Sets up HSL colour range
76	*/
77	public function colourRangeHSL($dataset, $h1, $s1, $l1, $h2, $s2, $l2,
78	$reverse = false)
79	{
80	$this->colours->rangeHSL($dataset, $h1, $s1, $l1, $h2, $s2, $l2, $reverse);
81	}
82
83	/**
84	* HSL colour range from hex codes
85	*/
86	public function colourRangeHexHSL($dataset, $c1, $c2, $reverse = false)
87	{
88	$this->colours->rangeHexHSL($dataset, $c1, $c2, $reverse);
89	}
90
91	/**
92	* Sets up HSL colour range from RGB values
93	*/
94	public function colourRangeRGBtoHSL($dataset, $r1, $g1, $b1, $r2, $g2, $b2,
95	$reverse = false)
96	{
97	$this->colours->rangeRGBtoHSL($dataset, $r1, $g1, $b1, $r2, $g2, $b2,
98	$reverse);
99	}
100
101	/**
102	* Instantiate the correct class
103	*/
104	private function setup($class)
105	{
106	if(!strstr($class, '\\')) {
107	$class = __NAMESPACE__ . '\\' . $class;
108	}
109
110	if(!class_exists($class)) {
111	throw new \InvalidArgumentException('Unknown graph type: ' . $class);
112	}
113
114	if(!is_subclass_of($class, '\\Goat1000\\SVGGraph\\Graph')) {
115	throw new \InvalidArgumentException('Not a graph class: ' . $class);
116	}
117
118	$g = new $class($this->width, $this->height, $this->settings);
119	$g->subgraph = $this->subgraph;
120	$g->values($this->values);
121	$g->links($this->links);
122	$g->colours($this->colours);
123	$g->subgraphs($this->subgraphs);
124	return $g;
125	}
126
127	/**
128	* Returns a sub-graph
129	*/
130	public function subgraph($type, $x, $y, $w, $h, $settings = null,
131	$extra = null)
132	{
133	if(!is_string($x) && $x < 0)
134	$x = $this->width + $x;
135	if(!is_string($y) && $y < 0)
136	$y = $this->height + $y;
137	if(!is_string($w) && $w <= 0)
138	$w = $this->width - $x + $w;
139	if(!is_string($h) && $h <= 0)
140	$h = $this->height - $y + $h;
141
142	if($settings === null)
143	$settings = $this->settings;
144	if(is_array($extra))
145	$settings = array_merge($settings, $extra);
146	$sg = new Subgraph($type, $x, $y, $w, $h, $settings);
147	$sg->setColours(clone $this->colours);
148	$this->subgraphs[] = $sg;
149	return $sg;
150	}
151
152	/**
153	* Replaces the list of subgraphs
154	*/
155	public function setSubgraphs($list)
156	{
157	$this->subgraphs = $list;
158	}
159	}
160
161