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1<?php
2/**
3 * Pop PHP Framework (http://www.popphp.org/)
4 *
5 * @link       https://github.com/popphp/popphp-framework
6 * @author     Nick Sagona, III <dev@nolainteractive.com>
7 * @copyright  Copyright (c) 2009-2023 NOLA Interactive, LLC. (http://www.nolainteractive.com)
8 * @license    http://www.popphp.org/license     New BSD License
9 */
10
11/**
12 * @namespace
13 */
14namespace Pop\Image\Adjust;
15
16/**
17 * Adjust class for Imagick
18 *
19 * @category   Pop
20 * @package    Pop\Image
21 * @author     Nick Sagona, III <dev@nolainteractive.com>
22 * @copyright  Copyright (c) 2009-2023 NOLA Interactive, LLC. (http://www.nolainteractive.com)
23 * @license    http://www.popphp.org/license     New BSD License
24 * @version    3.4.0
25 */
26class Imagick extends AbstractAdjust
27{
28
29    /**
30     * Method to adjust the hue of the image.
31     *
32     * @param  int $amount
33     * @return Imagick
34     */
35    public function hue($amount)
36    {
37        if ($this->hasImage()) {
38            $this->image->getResource()->modulateImage(100, 100, $amount);
39        }
40        return $this;
41    }
42
43    /**
44     * Method to adjust the saturation of the image.
45     *
46     * @param  int $amount
47     * @return Imagick
48     */
49    public function saturation($amount)
50    {
51        if ($this->hasImage()) {
52            $this->image->getResource()->modulateImage(100, $amount, 100);
53        }
54        return $this;
55    }
56
57    /**
58     * Adjust the image brightness
59     *
60     * @param  int $amount
61     * @return Imagick
62     */
63    public function brightness($amount)
64    {
65        if ($this->hasImage()) {
66            $this->image->getResource()->modulateImage($amount, 100, 100);
67        }
68        return $this;
69    }
70
71    /**
72     * Method to adjust the HSB of the image altogether.
73     *
74     * @param  int $h
75     * @param  int $s
76     * @param  int $b
77     * @return Imagick
78     */
79    public function hsb($h, $s, $b)
80    {
81        if ($this->hasImage()) {
82            $this->image->getResource()->modulateImage($h, $s, $b);
83        }
84        return $this;
85    }
86
87    /**
88     * Method to adjust the levels of the image using a 0 - 255 range.
89     *
90     * @param  int   $black
91     * @param  float $gamma
92     * @param  int   $white
93     * @return Imagick
94     */
95    public function level($black, $gamma, $white)
96    {
97        if ($this->hasImage()) {
98            $quantumRange = $this->image->getResource()->getQuantumRange();
99
100            if ($black < 0) {
101                $black = 0;
102            }
103            if ($white > 255) {
104                $white = 255;
105            }
106
107            $blackPoint = ($black / 255) * $quantumRange['quantumRangeLong'];
108            $whitePoint = ($white / 255) * $quantumRange['quantumRangeLong'];
109
110            $this->image->getResource()->levelImage($blackPoint, $gamma, $whitePoint);
111        }
112
113        return $this;
114    }
115
116    /**
117     * Adjust the image contrast
118     *
119     * @param  int $amount
120     * @return Imagick
121     */
122    public function contrast($amount)
123    {
124        if ($this->hasImage()) {
125            if ($amount > 0) {
126                for ($i = 1; $i <= $amount; $i++) {
127                    $this->image->getResource()->contrastImage(1);
128                }
129            } else if ($amount < 0) {
130                for ($i = -1; $i >= $amount; $i--) {
131                    $this->image->getResource()->contrastImage(0);
132                }
133            }
134        }
135        return $this;
136    }
137
138    /**
139     * Adjust the image desaturate
140     *
141     * @return Imagick
142     */
143    public function desaturate()
144    {
145        if ($this->hasImage()) {
146            $this->image->getResource()->modulateImage(100, 0, 100);
147        }
148        return $this;
149    }
150
151}