|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace kalanis\kw_images\Graphics; |
|
4
|
|
|
|
|
5
|
|
|
|
|
6
|
|
|
use kalanis\kw_images\ImagesException; |
|
7
|
|
|
use kalanis\kw_images\Interfaces\IIMTranslations; |
|
8
|
|
|
use kalanis\kw_images\Interfaces\IExifConstants; |
|
9
|
|
|
use kalanis\kw_images\Traits\TLang; |
|
10
|
|
|
|
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Class Processor |
|
14
|
|
|
* @package kalanis\kw_images |
|
15
|
|
|
* Pass images in temporary local storage - cannot work with images directly in main storage |
|
16
|
|
|
*/ |
|
17
|
|
|
class Processor |
|
18
|
|
|
{ |
|
19
|
|
|
use TLang; |
|
20
|
|
|
|
|
21
|
|
|
protected Format\Factory $factory; |
|
22
|
|
|
/** @var resource|\GdImage|null */ |
|
23
|
|
|
protected $resource = null; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @param Format\Factory $factory |
|
27
|
|
|
* @param IIMTranslations|null $lang |
|
28
|
|
|
* @throws ImagesException |
|
29
|
|
|
*/ |
|
30
|
35 |
|
public function __construct(Format\Factory $factory, ?IIMTranslations $lang = null) |
|
31
|
|
|
{ |
|
32
|
35 |
|
$this->setImLang($lang); |
|
33
|
|
|
|
|
34
|
35 |
|
if (!(function_exists('imagecreatetruecolor') |
|
35
|
35 |
|
&& function_exists('imagecolorallocate') |
|
36
|
35 |
|
&& function_exists('imagesetpixel') |
|
37
|
35 |
|
&& function_exists('imagecopyresized') |
|
38
|
35 |
|
&& function_exists('imagecopyresampled') |
|
39
|
35 |
|
&& function_exists('imagesx') |
|
40
|
35 |
|
&& function_exists('imagesy') |
|
41
|
35 |
|
&& function_exists('imagerotate') |
|
42
|
35 |
|
&& function_exists('imageflip') |
|
43
|
|
|
)) { |
|
44
|
|
|
// @codeCoverageIgnoreStart |
|
45
|
|
|
throw new ImagesException($this->getImLang()->imGdLibNotPresent()); |
|
46
|
|
|
} |
|
47
|
|
|
// @codeCoverageIgnoreEnd |
|
48
|
|
|
|
|
49
|
35 |
|
$this->factory = $factory; |
|
50
|
35 |
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* @param string $type |
|
54
|
|
|
* @param string $tempPath |
|
55
|
|
|
* @throws ImagesException |
|
56
|
|
|
* @return $this |
|
57
|
|
|
*/ |
|
58
|
13 |
|
public function load(string $type, string $tempPath): self |
|
59
|
|
|
{ |
|
60
|
13 |
|
$processor = $this->factory->getByType($type, $this->getImLang()); |
|
61
|
12 |
|
$this->resource = $processor->load($tempPath); |
|
62
|
12 |
|
return $this; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* @param string $type |
|
67
|
|
|
* @param string $tempPath |
|
68
|
|
|
* @throws ImagesException |
|
69
|
|
|
* @return $this |
|
70
|
|
|
*/ |
|
71
|
9 |
|
public function save(string $type, string $tempPath): self |
|
72
|
|
|
{ |
|
73
|
9 |
|
$processor = $this->factory->getByType($type, $this->getImLang()); |
|
74
|
9 |
|
$processor->save($tempPath, $this->getResource()); |
|
75
|
9 |
|
return $this; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Change image size - cut it to desired size |
|
80
|
|
|
* @param int|null $width |
|
81
|
|
|
* @param int|null $height |
|
82
|
|
|
* @throws ImagesException |
|
83
|
|
|
* @return $this |
|
84
|
|
|
*/ |
|
85
|
1 |
|
public function resize(?int $width = null, ?int $height = null): self |
|
86
|
|
|
{ |
|
87
|
1 |
|
$fromWidth = $this->width(); |
|
88
|
1 |
|
$fromHeight = $this->height(); |
|
89
|
1 |
|
$width = (!is_null($width) && (0 < $width)) ? intval($width) : $fromWidth; |
|
90
|
1 |
|
$height = (!is_null($height) && (0 < $height)) ? intval($height) : $fromHeight; |
|
91
|
1 |
|
$resource = $this->create($width, $height); |
|
92
|
1 |
|
if (false === imagecopyresized($resource, $this->getResource(), 0, 0, 0, 0, $width, $height, $fromWidth, $fromHeight)) { |
|
93
|
|
|
// @codeCoverageIgnoreStart |
|
94
|
|
|
imagedestroy($resource); |
|
95
|
|
|
throw new ImagesException($this->getImLang()->imImageCannotResize()); |
|
96
|
|
|
} |
|
97
|
|
|
// @codeCoverageIgnoreEnd |
|
98
|
1 |
|
imagedestroy($this->getResource()); |
|
99
|
1 |
|
$this->resource = $resource; |
|
100
|
1 |
|
return $this; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* Change image size - content will change its proportions according the passed sizes |
|
105
|
|
|
* @param int|null $width |
|
106
|
|
|
* @param int|null $height |
|
107
|
|
|
* @throws ImagesException |
|
108
|
|
|
* @return $this |
|
109
|
|
|
*/ |
|
110
|
7 |
|
public function resample(?int $width = null, ?int $height = null): self |
|
111
|
|
|
{ |
|
112
|
7 |
|
$fromWidth = $this->width(); |
|
113
|
7 |
|
$fromHeight = $this->height(); |
|
114
|
7 |
|
$width = (!is_null($width) && (0 < $width)) ? intval($width) : $fromWidth; |
|
115
|
7 |
|
$height = (!is_null($height) && (0 < $height)) ? intval($height) : $fromHeight; |
|
116
|
7 |
|
$resource = $this->create($width, $height); |
|
117
|
7 |
|
if (false === imagecopyresampled($resource, $this->getResource(), 0, 0, 0, 0, $width, $height, $fromWidth, $fromHeight)) { |
|
118
|
|
|
// @codeCoverageIgnoreStart |
|
119
|
|
|
imagedestroy($resource); |
|
120
|
|
|
throw new ImagesException($this->getImLang()->imImageCannotResample()); |
|
121
|
|
|
} |
|
122
|
|
|
// @codeCoverageIgnoreEnd |
|
123
|
7 |
|
imagedestroy($this->getResource()); |
|
124
|
7 |
|
$this->resource = $resource; |
|
125
|
7 |
|
return $this; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* Orientate image by passed info |
|
130
|
|
|
* @param int $currentOrientation |
|
131
|
|
|
* @throws ImagesException |
|
132
|
|
|
* @return $this |
|
133
|
|
|
* @link https://jdhao.github.io/2019/07/31/image_rotation_exif_info/#exif-orientation-flag |
|
134
|
|
|
* @link https://stackoverflow.com/questions/7489742/php-read-exif-data-and-adjust-orientation |
|
135
|
|
|
*/ |
|
136
|
|
|
public function orientate(int $currentOrientation): self |
|
137
|
|
|
{ |
|
138
|
|
|
$image = $this->resource; // normal |
|
139
|
|
|
if (in_array($currentOrientation, [ |
|
140
|
|
|
IExifConstants::EXIF_ORIENTATION_UPSIDE_DOWN, |
|
141
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_UPSIDE_DOWN, |
|
142
|
|
|
])) { |
|
143
|
|
|
$image = imagerotate($this->resource, 180, 0); |
|
144
|
|
|
} |
|
145
|
|
|
if (in_array($currentOrientation, [ |
|
146
|
|
|
IExifConstants::EXIF_ORIENTATION_ON_LEFT, |
|
147
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_ON_LEFT, |
|
148
|
|
|
])) { |
|
149
|
|
|
$image = imagerotate($this->resource, 270, 0); |
|
150
|
|
|
} |
|
151
|
|
|
if (in_array($currentOrientation, [ |
|
152
|
|
|
IExifConstants::EXIF_ORIENTATION_ON_RIGHT, |
|
153
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_ON_RIGHT, |
|
154
|
|
|
])) { |
|
155
|
|
|
$image = imagerotate($this->resource, 90, 0); |
|
156
|
|
|
} |
|
157
|
|
|
if (empty($image)) { |
|
158
|
|
|
// @codeCoverageIgnoreStart |
|
159
|
|
|
throw new ImagesException($this->getImLang()->imImageCannotOrientate()); |
|
160
|
|
|
} |
|
161
|
|
|
// @codeCoverageIgnoreEnd |
|
162
|
|
|
if (in_array($currentOrientation, [ |
|
163
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_SIMPLE, |
|
164
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_ON_LEFT, |
|
165
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_ON_RIGHT, |
|
166
|
|
|
IExifConstants::EXIF_ORIENTATION_MIRROR_UPSIDE_DOWN, |
|
167
|
|
|
])) { |
|
168
|
|
|
imageflip($image, IMG_FLIP_HORIZONTAL); |
|
169
|
|
|
} |
|
170
|
|
|
$this->resource = $image; |
|
171
|
|
|
|
|
172
|
|
|
return $this; |
|
173
|
|
|
} |
|
174
|
|
|
|
|
175
|
|
|
/** |
|
176
|
|
|
* Create empty image resource |
|
177
|
|
|
* @param int $width |
|
178
|
|
|
* @param int $height |
|
179
|
|
|
* @throws ImagesException |
|
180
|
|
|
* @return \GdImage|resource |
|
181
|
|
|
*/ |
|
182
|
8 |
|
protected function create(int $width, int $height) |
|
183
|
|
|
{ |
|
184
|
8 |
|
$resource = imagecreatetruecolor($width, $height); |
|
185
|
8 |
|
if (false === $resource) { |
|
186
|
|
|
// @codeCoverageIgnoreStart |
|
187
|
|
|
throw new ImagesException($this->getImLang()->imImageCannotCreateEmpty()); |
|
188
|
|
|
} |
|
189
|
|
|
// @codeCoverageIgnoreEnd |
|
190
|
8 |
|
return $resource; |
|
191
|
|
|
} |
|
192
|
|
|
|
|
193
|
|
|
/** |
|
194
|
|
|
* @throws ImagesException |
|
195
|
|
|
* @return int |
|
196
|
|
|
*/ |
|
197
|
11 |
|
public function width(): int |
|
198
|
|
|
{ |
|
199
|
11 |
|
$size = imagesx($this->getResource()); |
|
200
|
11 |
|
if (false === $size) { |
|
201
|
|
|
// @codeCoverageIgnoreStart |
|
202
|
|
|
throw new ImagesException($this->getImLang()->imImageCannotGetSize()); |
|
203
|
|
|
} |
|
204
|
|
|
// @codeCoverageIgnoreEnd |
|
205
|
11 |
|
return intval($size); |
|
206
|
|
|
} |
|
207
|
|
|
|
|
208
|
|
|
/** |
|
209
|
|
|
* @throws ImagesException |
|
210
|
|
|
* @return int |
|
211
|
|
|
*/ |
|
212
|
13 |
|
public function height(): int |
|
213
|
|
|
{ |
|
214
|
13 |
|
$size = imagesy($this->getResource()); |
|
215
|
12 |
|
if (false === $size) { |
|
216
|
|
|
// @codeCoverageIgnoreStart |
|
217
|
|
|
throw new ImagesException($this->getImLang()->imImageCannotGetSize()); |
|
218
|
|
|
} |
|
219
|
|
|
// @codeCoverageIgnoreEnd |
|
220
|
12 |
|
return intval($size); |
|
221
|
|
|
} |
|
222
|
|
|
|
|
223
|
|
|
/** |
|
224
|
|
|
* @throws ImagesException |
|
225
|
|
|
* @return \GdImage|resource |
|
226
|
|
|
*/ |
|
227
|
13 |
|
public function getResource() |
|
228
|
|
|
{ |
|
229
|
13 |
|
if (empty($this->resource)) { |
|
230
|
1 |
|
throw new ImagesException($this->getImLang()->imImageLoadFirst()); |
|
231
|
|
|
} |
|
232
|
12 |
|
return $this->resource; |
|
233
|
|
|
} |
|
234
|
|
|
} |
|
235
|
|
|
|
alex-kalanis /
kw_images
