|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace CoffeeCode\Cropper; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* Class CoffeeCode Cropper |
|
7
|
|
|
* |
|
8
|
|
|
* @author Robson V. Leite <https://github.com/robsonvleite> |
|
9
|
|
|
* @package CoffeeCode\Cropper |
|
10
|
|
|
*/ |
|
11
|
|
|
class Cropper |
|
12
|
|
|
{ |
|
13
|
|
|
/** @var string */ |
|
14
|
|
|
private $cachePath; |
|
15
|
|
|
|
|
16
|
|
|
/** @var array */ |
|
17
|
|
|
private $cacheSize; |
|
18
|
|
|
|
|
19
|
|
|
/** @var string */ |
|
20
|
|
|
private $imagePath; |
|
21
|
|
|
|
|
22
|
|
|
/** @var string */ |
|
23
|
|
|
private $imageName; |
|
24
|
|
|
|
|
25
|
|
|
/** @var string */ |
|
26
|
|
|
private $imageMime; |
|
27
|
|
|
|
|
28
|
|
|
/** @var string */ |
|
29
|
|
|
private $imageInfo; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Allow jpg and png to thumb and cache generate |
|
33
|
|
|
* |
|
34
|
|
|
* @var array allowed media types |
|
35
|
|
|
*/ |
|
36
|
|
|
private static $allowedExt = ['image/jpeg', "image/png"]; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* Cropper constructor. |
|
40
|
|
|
* |
|
41
|
|
|
* @param string $cachePath |
|
42
|
|
|
* @param int $jpgQuality |
|
43
|
|
|
* @param int $pngCompressor |
|
44
|
|
|
* @throws \Exception |
|
45
|
|
|
*/ |
|
46
|
|
|
public function __construct(string $cachePath, int $jpgQuality = 75, int $pngCompressor = 5) |
|
47
|
|
|
{ |
|
48
|
|
|
$this->cachePath = $cachePath; |
|
49
|
|
|
$this->cacheSize = [$jpgQuality, $pngCompressor]; |
|
50
|
|
|
|
|
51
|
|
|
if (!file_exists($this->cachePath) || !is_dir($this->cachePath)) { |
|
52
|
|
|
if (!mkdir($this->cachePath, 0755)) { |
|
53
|
|
|
throw new \Exception("Could not create cache folder"); |
|
54
|
|
|
} |
|
55
|
|
|
} |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* Make an thumb image |
|
60
|
|
|
* |
|
61
|
|
|
* @param string $imagePath |
|
62
|
|
|
* @param int $width |
|
63
|
|
|
* @param int|null $height |
|
64
|
|
|
* @return null|string |
|
65
|
|
|
*/ |
|
66
|
|
|
public function make(string $imagePath, int $width, int $height = null): ?string |
|
67
|
|
|
{ |
|
68
|
|
|
if (!file_exists($imagePath)) { |
|
69
|
|
|
return "Image not found"; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
$this->imagePath = $imagePath; |
|
73
|
|
|
$this->imageMime = mime_content_type($this->imagePath); |
|
74
|
|
|
$this->imageInfo = pathinfo($this->imagePath); |
|
75
|
|
|
$this->imageName = hash("crc32", $this->imageInfo['basename']) . hash("crc32", |
|
76
|
|
|
"{$width}{$height}") . ($this->imageMime == "image/jpeg" ? ".jpg" : ".png"); |
|
77
|
|
|
|
|
78
|
|
|
if (!in_array($this->imageMime, self::$allowedExt)) { |
|
79
|
|
|
return "Not a valid JPG or PNG image"; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
if (file_exists("{$this->cachePath}/{$this->imageName}") && is_file("{$this->cachePath}/{$this->imageName}")) { |
|
83
|
|
|
return "{$this->cachePath}/{$this->imageName}"; |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
return $this->imageCache($width, $height); |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* Clear cache |
|
91
|
|
|
* |
|
92
|
|
|
* @param string|null $imageName |
|
93
|
|
|
* @example $t->flush("images/image.jpg"); clear image name and variations size |
|
94
|
|
|
* @example $t->flush(); clear all image cache folder |
|
95
|
|
|
*/ |
|
96
|
|
|
public function flush(string $imageName = null): void |
|
97
|
|
|
{ |
|
98
|
|
|
$scan = scandir($this->cachePath); |
|
99
|
|
|
$name = ($imageName ? hash("crc32", pathinfo($imageName)['basename']) : null); |
|
100
|
|
|
|
|
101
|
|
|
foreach ($scan as $file) { |
|
102
|
|
|
$file = "{$this->cachePath}/{$file}"; |
|
103
|
|
|
if ($imageName && strpos($file, $name)) { |
|
104
|
|
|
$this->imageDestroy($file); |
|
105
|
|
|
} elseif (!$imageName) { |
|
106
|
|
|
$this->imageDestroy($file); |
|
107
|
|
|
} |
|
108
|
|
|
} |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
/** |
|
112
|
|
|
* @param int $width |
|
113
|
|
|
* @param int|null $height |
|
114
|
|
|
* @return null|string |
|
115
|
|
|
*/ |
|
116
|
|
|
private function imageCache(int $width, int $height = null): ?string |
|
117
|
|
|
{ |
|
118
|
|
|
list($src_w, $src_h) = getimagesize($this->imagePath); |
|
119
|
|
|
$height = ($height ?? ($width * $src_h) / $src_w); |
|
120
|
|
|
|
|
121
|
|
|
$src_x = 0; |
|
122
|
|
|
$src_y = 0; |
|
123
|
|
|
|
|
124
|
|
|
$cmp_x = $src_w / $width; |
|
125
|
|
|
$cmp_y = $src_h / $height; |
|
126
|
|
|
|
|
127
|
|
|
if ($cmp_x > $cmp_y) { |
|
128
|
|
|
$src_w = round($src_w / $cmp_x * $cmp_y); |
|
129
|
|
|
$src_x = round(($src_w - ($src_w / $cmp_x * $cmp_y))); //2 |
|
130
|
|
|
} elseif ($cmp_y > $cmp_x) { |
|
131
|
|
|
$src_h = round($src_h / $cmp_y * $cmp_x); |
|
132
|
|
|
$src_y = round(($src_h - ($src_h / $cmp_y * $cmp_x))); //2 |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
$src_x = (int)$src_x; |
|
136
|
|
|
$src_h = (int)$src_h; |
|
137
|
|
|
$src_y = (int)$src_y; |
|
138
|
|
|
$src_y = (int)$src_y; |
|
139
|
|
|
|
|
140
|
|
|
if ($this->imageMime == "image/jpeg") { |
|
141
|
|
|
return $this->fromJpg($width, $height, $src_x, $src_y, $src_w, $src_h); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
if ($this->imageMime == "image/png") { |
|
145
|
|
|
return $this->fromPng($width, $height, $src_x, $src_y, $src_w, $src_h); |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
return null; |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
|
|
/** |
|
152
|
|
|
* @param string $imagePatch |
|
153
|
|
|
*/ |
|
154
|
|
|
private function imageDestroy(string $imagePatch): void |
|
155
|
|
|
{ |
|
156
|
|
|
if (file_exists($imagePatch) && is_file($imagePatch)) { |
|
157
|
|
|
unlink($imagePatch); |
|
158
|
|
|
} |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
/** |
|
162
|
|
|
* @param int $width |
|
163
|
|
|
* @param int $height |
|
164
|
|
|
* @param int $src_x |
|
165
|
|
|
* @param int $src_y |
|
166
|
|
|
* @param int $src_w |
|
167
|
|
|
* @param int $src_h |
|
168
|
|
|
* @return string |
|
169
|
|
|
*/ |
|
170
|
|
|
private function fromJpg(int $width, int $height, int $src_x, int $src_y, int $src_w, int $src_h): string |
|
171
|
|
|
{ |
|
172
|
|
|
$thumb = imagecreatetruecolor($width, $height); |
|
173
|
|
|
$source = imagecreatefromjpeg($this->imagePath); |
|
174
|
|
|
imagecopyresized($thumb, $source, 0, 0, $src_x, $src_y, $width, $height, $src_w, $src_h); |
|
175
|
|
|
imagejpeg($thumb, "{$this->cachePath}/{$this->imageName}", $this->cacheSize[0]); |
|
176
|
|
|
|
|
177
|
|
|
imagedestroy($thumb); |
|
178
|
|
|
imagedestroy($source); |
|
179
|
|
|
|
|
180
|
|
|
return "{$this->cachePath}/{$this->imageName}"; |
|
181
|
|
|
} |
|
182
|
|
|
|
|
183
|
|
|
/** |
|
184
|
|
|
* @param int $width |
|
185
|
|
|
* @param int $height |
|
186
|
|
|
* @param int $src_x |
|
187
|
|
|
* @param int $src_y |
|
188
|
|
|
* @param int $src_w |
|
189
|
|
|
* @param int $src_h |
|
190
|
|
|
* @return string |
|
191
|
|
|
*/ |
|
192
|
|
|
private function fromPng(int $width, int $height, int $src_x, int $src_y, int $src_w, int $src_h): string |
|
193
|
|
|
{ |
|
194
|
|
|
$thumb = imagecreatetruecolor($width, $height); |
|
195
|
|
|
$source = imagecreatefrompng($this->imagePath); |
|
196
|
|
|
|
|
197
|
|
|
imagealphablending($thumb, false); |
|
198
|
|
|
imagesavealpha($thumb, true); |
|
199
|
|
|
imagecopyresized($thumb, $source, 0, 0, $src_x, $src_y, $width, $height, $src_w, $src_h); |
|
200
|
|
|
imagepng($thumb, "{$this->cachePath}/{$this->imageName}", $this->cacheSize[1]); |
|
201
|
|
|
|
|
202
|
|
|
imagedestroy($thumb); |
|
203
|
|
|
imagedestroy($source); |
|
204
|
|
|
|
|
205
|
|
|
return "{$this->cachePath}/{$this->imageName}"; |
|
206
|
|
|
} |
|
207
|
|
|
} |
robsonvleite /
cropper
