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1<?php
2/**
3 * This file is part of PHPPresentation - A pure PHP library for reading and writing
4 * presentations documents.
5 *
6 * PHPPresentation is free software distributed under the terms of the GNU Lesser
7 * General Public License version 3 as published by the Free Software Foundation.
8 *
9 * For the full copyright and license information, please read the LICENSE
10 * file that was distributed with this source code. For the full list of
11 * contributors, visit https://github.com/PHPOffice/PHPPresentation/contributors.
12 *
13 * @see        https://github.com/PHPOffice/PHPPresentation
14 *
15 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
16 */
17
18declare(strict_types=1);
19
20namespace PhpOffice\PhpPresentation\Shape;
21
22use PhpOffice\PhpPresentation\AbstractShape;
23use PhpOffice\PhpPresentation\ComparableInterface;
24
25/**
26 * Abstract drawing.
27 */
28abstract class AbstractGraphic extends AbstractShape implements ComparableInterface
29{
30    /**
31     * Image counter.
32     *
33     * @var int
34     */
35    private static $imageCounter = 0;
36
37    /**
38     * Image index.
39     *
40     * @var int
41     */
42    private $imageIndex = 0;
43
44    /**
45     * Description.
46     *
47     * @var string
48     */
49    protected $description;
50
51    /**
52     * Proportional resize.
53     *
54     * @var bool
55     */
56    protected $resizeProportional;
57
58    /**
59     * Slide relation ID (should not be used by user code!).
60     *
61     * @var string
62     */
63    public $relationId;
64
65    /**
66     * Create a new \PhpOffice\PhpPresentation\Slide\AbstractDrawing.
67     */
68    public function __construct()
69    {
70        // Initialise values
71        $this->name = '';
72        $this->description = '';
73        $this->resizeProportional = true;
74
75        // Set image index
76        ++self::$imageCounter;
77        $this->imageIndex = self::$imageCounter;
78
79        // Initialize parent
80        parent::__construct();
81    }
82
83    public function __clone()
84    {
85        parent::__clone();
86
87        ++self::$imageCounter;
88        $this->imageIndex = self::$imageCounter;
89    }
90
91    /**
92     * Get image index.
93     *
94     * @return int
95     */
96    public function getImageIndex()
97    {
98        return $this->imageIndex;
99    }
100
101    /**
102     * Get Description.
103     *
104     * @return string
105     */
106    public function getDescription()
107    {
108        return $this->description;
109    }
110
111    /**
112     * Set Description.
113     *
114     * @param string $pValue
115     *
116     * @return $this
117     */
118    public function setDescription($pValue = '')
119    {
120        $this->description = $pValue;
121
122        return $this;
123    }
124
125    /**
126     * Set Width.
127     *
128     * @return self
129     */
130    public function setWidth(int $pValue = 0)
131    {
132        // Resize proportional?
133        if ($this->resizeProportional && 0 != $pValue && 0 != $this->width) {
134            $ratio = $this->height / $this->width;
135            $this->height = (int) round($ratio * $pValue);
136        }
137
138        // Set width
139        $this->width = $pValue;
140
141        return $this;
142    }
143
144    /**
145     * Set Height.
146     *
147     * @return self
148     */
149    public function setHeight(int $pValue = 0)
150    {
151        // Resize proportional?
152        if ($this->resizeProportional && 0 != $pValue && 0 != $this->height) {
153            $ratio = $this->width / $this->height;
154            $this->width = (int) round($ratio * $pValue);
155        }
156
157        // Set height
158        $this->height = $pValue;
159
160        return $this;
161    }
162
163    /**
164     * Set width and height with proportional resize.
165     *
166     * @author Vincent@luo MSN:kele_100@hotmail.com
167     *
168     * @return self
169     */
170    public function setWidthAndHeight(int $width = 0, int $height = 0)
171    {
172        $xratio = $width / $this->width;
173        $yratio = $height / $this->height;
174        if ($this->resizeProportional && !(0 == $width || 0 == $height)) {
175            if (($xratio * $this->height) < $height) {
176                $this->height = (int) ceil($xratio * $this->height);
177                $this->width = $width;
178            } else {
179                $this->width = (int) ceil($yratio * $this->width);
180                $this->height = $height;
181            }
182        }
183
184        return $this;
185    }
186
187    /**
188     * Get ResizeProportional.
189     *
190     * @return bool
191     */
192    public function isResizeProportional()
193    {
194        return $this->resizeProportional;
195    }
196
197    /**
198     * Set ResizeProportional.
199     *
200     * @param bool $pValue
201     */
202    public function setResizeProportional($pValue = true): self
203    {
204        $this->resizeProportional = $pValue;
205
206        return $this;
207    }
208
209    /**
210     * Get hash code.
211     *
212     * @return string Hash code
213     */
214    public function getHashCode(): string
215    {
216        return md5($this->name . $this->description . parent::getHashCode() . __CLASS__);
217    }
218}