visualizer / vendor / phpoffice / phpexcel / Classes / PHPExcel / Worksheet / MemoryDrawing.php

MemoryDrawing.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.0.3, at vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/MemoryDrawing.php

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1	<?php
2	/**
3	* PHPExcel
4	*
5	* Copyright (c) 2006 - 2014 PHPExcel
6	*
7	* This library is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU Lesser General Public
9	* License as published by the Free Software Foundation; either
10	* version 2.1 of the License, or (at your option) any later version.
11	*
12	* This library is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15	* Lesser General Public License for more details.
16	*
17	* You should have received a copy of the GNU Lesser General Public
18	* License along with this library; if not, write to the Free Software
19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20	*
21	* @category PHPExcel
22	* @package PHPExcel_Worksheet
23	* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
24	* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
25	* @version ##VERSION##, ##DATE##
26	*/
27
28
29	/**
30	* PHPExcel_Worksheet_MemoryDrawing
31	*
32	* @category PHPExcel
33	* @package PHPExcel_Worksheet
34	* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
35	*/
36	class PHPExcel_Worksheet_MemoryDrawing extends PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
37	{
38	/* Rendering functions */
39	const RENDERING_DEFAULT = 'imagepng';
40	const RENDERING_PNG = 'imagepng';
41	const RENDERING_GIF = 'imagegif';
42	const RENDERING_JPEG = 'imagejpeg';
43
44	/* MIME types */
45	const MIMETYPE_DEFAULT = 'image/png';
46	const MIMETYPE_PNG = 'image/png';
47	const MIMETYPE_GIF = 'image/gif';
48	const MIMETYPE_JPEG = 'image/jpeg';
49
50	/**
51	* Image resource
52	*
53	* @var resource
54	*/
55	private $_imageResource;
56
57	/**
58	* Rendering function
59	*
60	* @var string
61	*/
62	private $_renderingFunction;
63
64	/**
65	* Mime type
66	*
67	* @var string
68	*/
69	private $_mimeType;
70
71	/**
72	* Unique name
73	*
74	* @var string
75	*/
76	private $_uniqueName;
77
78	/**
79	* Create a new PHPExcel_Worksheet_MemoryDrawing
80	*/
81	public function __construct()
82	{
83	// Initialise values
84	$this->_imageResource = null;
85	$this->_renderingFunction = self::RENDERING_DEFAULT;
86	$this->_mimeType = self::MIMETYPE_DEFAULT;
87	$this->_uniqueName = md5(rand(0, 9999). time() . rand(0, 9999));
88
89	// Initialize parent
90	parent::__construct();
91	}
92
93	/**
94	* Get image resource
95	*
96	* @return resource
97	*/
98	public function getImageResource() {
99	return $this->_imageResource;
100	}
101
102	/**
103	* Set image resource
104	*
105	* @param $value resource
106	* @return PHPExcel_Worksheet_MemoryDrawing
107	*/
108	public function setImageResource($value = null) {
109	$this->_imageResource = $value;
110
111	if (!is_null($this->_imageResource)) {
112	// Get width/height
113	$this->_width = imagesx($this->_imageResource);
114	$this->_height = imagesy($this->_imageResource);
115	}
116	return $this;
117	}
118
119	/**
120	* Get rendering function
121	*
122	* @return string
123	*/
124	public function getRenderingFunction() {
125	return $this->_renderingFunction;
126	}
127
128	/**
129	* Set rendering function
130	*
131	* @param string $value
132	* @return PHPExcel_Worksheet_MemoryDrawing
133	*/
134	public function setRenderingFunction($value = PHPExcel_Worksheet_MemoryDrawing::RENDERING_DEFAULT) {
135	$this->_renderingFunction = $value;
136	return $this;
137	}
138
139	/**
140	* Get mime type
141	*
142	* @return string
143	*/
144	public function getMimeType() {
145	return $this->_mimeType;
146	}
147
148	/**
149	* Set mime type
150	*
151	* @param string $value
152	* @return PHPExcel_Worksheet_MemoryDrawing
153	*/
154	public function setMimeType($value = PHPExcel_Worksheet_MemoryDrawing::MIMETYPE_DEFAULT) {
155	$this->_mimeType = $value;
156	return $this;
157	}
158
159	/**
160	* Get indexed filename (using image index)
161	*
162	* @return string
163	*/
164	public function getIndexedFilename() {
165	$extension = strtolower($this->getMimeType());
166	$extension = explode('/', $extension);
167	$extension = $extension[1];
168
169	return $this->_uniqueName . $this->getImageIndex() . '.' . $extension;
170	}
171
172	/**
173	* Get hash code
174	*
175	* @return string Hash code
176	*/
177	public function getHashCode() {
178	return md5(
179	$this->_renderingFunction
180	. $this->_mimeType
181	. $this->_uniqueName
182	. parent::getHashCode()
183	. __CLASS__
184	);
185	}
186
187	/**
188	* Implement PHP __clone to create a deep clone, not just a shallow copy.
189	*/
190	public function __clone() {
191	$vars = get_object_vars($this);
192	foreach ($vars as $key => $value) {
193	if (is_object($value)) {
194	$this->$key = clone $value;
195	} else {
196	$this->$key = $value;
197	}
198	}
199	}
200	}
201