|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Suricate; |
|
6
|
|
|
|
|
7
|
|
|
use InvalidArgumentException; |
|
8
|
|
|
use RuntimeException; |
|
9
|
|
|
|
|
10
|
|
|
class Image |
|
11
|
|
|
{ |
|
12
|
|
|
use Traits\ImageFilter; |
|
13
|
|
|
|
|
14
|
|
|
public $source; |
|
15
|
|
|
private $destination; |
|
16
|
|
|
|
|
17
|
|
|
private $width; |
|
18
|
|
|
private $height; |
|
19
|
|
|
|
|
20
|
|
|
public function load($filename) |
|
21
|
|
|
{ |
|
22
|
|
|
if (is_file($filename) && ($imgString = file_get_contents($filename))) { |
|
23
|
|
|
$imgString = imagecreatefromstring($imgString); |
|
24
|
|
|
if ($imgString !== false) { |
|
25
|
|
|
$this->source = $imgString; |
|
26
|
|
|
$this->destination = $this->source; |
|
27
|
|
|
$this->width = imagesx($this->source); |
|
28
|
|
|
$this->height = imagesy($this->source); |
|
29
|
|
|
|
|
30
|
|
|
return $this; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
throw new InvalidArgumentException( |
|
34
|
|
|
'Cannot load ' . $filename . ', not an image' |
|
35
|
|
|
); |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
throw new InvalidArgumentException( |
|
39
|
|
|
'Cannot load ' . $filename . ', file unreadable' |
|
40
|
|
|
); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
public function getWidth() |
|
44
|
|
|
{ |
|
45
|
|
|
return $this->width; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
public function getHeight() |
|
49
|
|
|
{ |
|
50
|
|
|
return $this->height; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
public function getResource() |
|
54
|
|
|
{ |
|
55
|
|
|
return $this->source; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
public function setResource($source) |
|
59
|
|
|
{ |
|
60
|
|
|
if (!is_resource($source)) { |
|
61
|
|
|
throw new InvalidArgumentException("Invalid source"); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
$this->source = $source; |
|
65
|
|
|
$this->width = imagesx($this->source); |
|
66
|
|
|
$this->height = imagesy($this->source); |
|
67
|
|
|
|
|
68
|
|
|
return $this; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
public function create(int $width, int $height) |
|
72
|
|
|
{ |
|
73
|
|
|
$this->source = imagecreatetruecolor($width, $height); |
|
74
|
|
|
$this->destination = $this->source; |
|
75
|
|
|
$this->width = $width; |
|
76
|
|
|
$this->height = $height; |
|
77
|
|
|
|
|
78
|
|
|
return $this; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* Fill an image with a color |
|
83
|
|
|
* |
|
84
|
|
|
* @param integer $pointX X point coordinate |
|
85
|
|
|
* @param integer $pointY Y point coordinate |
|
86
|
|
|
* @param array $color RGB color |
|
87
|
|
|
* |
|
88
|
|
|
*/ |
|
89
|
|
|
public function fill(int $pointX, int $pointY, $color = [0, 0, 0]) |
|
90
|
|
|
{ |
|
91
|
|
|
$color = imagecolorallocate( |
|
92
|
|
|
$this->destination, |
|
93
|
|
|
$color[0], |
|
94
|
|
|
$color[1], |
|
95
|
|
|
$color[2] |
|
96
|
|
|
); |
|
97
|
|
|
|
|
98
|
|
|
imagefill($this->destination, $pointX, $pointY, $color); |
|
99
|
|
|
|
|
100
|
|
|
return $this->chain(); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* Return true if image is in portrait mode |
|
105
|
|
|
* |
|
106
|
|
|
* @return boolean |
|
107
|
|
|
*/ |
|
108
|
|
|
public function isPortrait(): bool |
|
109
|
|
|
{ |
|
110
|
|
|
return $this->width < $this->height; |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* Return true if image is in landscape mode |
|
115
|
|
|
* |
|
116
|
|
|
* @return boolean |
|
117
|
|
|
*/ |
|
118
|
|
|
public function isLandscape(): bool |
|
119
|
|
|
{ |
|
120
|
|
|
return $this->height < $this->width; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
/** |
|
124
|
|
|
* Apply modification to destination image |
|
125
|
|
|
* |
|
126
|
|
|
*/ |
|
127
|
|
|
public function chain(): self |
|
128
|
|
|
{ |
|
129
|
|
|
$this->source = $this->destination; |
|
130
|
|
|
$this->width = imagesx($this->source); |
|
131
|
|
|
$this->height = imagesy($this->source); |
|
132
|
|
|
|
|
133
|
|
|
return $this; |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
public function resize($width = null, $height = null) |
|
137
|
|
|
{ |
|
138
|
|
|
if ($this->source) { |
|
139
|
|
|
if ($width == null) { |
|
140
|
|
|
$width = intval( |
|
141
|
|
|
round(($height / $this->height) * $this->width, 0) |
|
142
|
|
|
); |
|
143
|
|
|
} elseif ($height == null) { |
|
144
|
|
|
$height = intval( |
|
145
|
|
|
round(($width / $this->width) * $this->height, 0) |
|
146
|
|
|
); |
|
147
|
|
|
} |
|
148
|
|
|
|
|
149
|
|
|
$this->destination = imagecreatetruecolor($width, $height); |
|
150
|
|
|
if ($this->destination === false) { |
|
151
|
|
|
throw new RuntimeException("Can't create destination image"); |
|
152
|
|
|
} |
|
153
|
|
|
imagecopyresampled( |
|
154
|
|
|
$this->destination, |
|
155
|
|
|
$this->source, |
|
156
|
|
|
0, |
|
157
|
|
|
0, |
|
158
|
|
|
0, |
|
159
|
|
|
0, |
|
160
|
|
|
$width, |
|
161
|
|
|
$height, |
|
162
|
|
|
$this->width, |
|
163
|
|
|
$this->height |
|
164
|
|
|
); |
|
165
|
|
|
|
|
166
|
|
|
return $this->chain(); |
|
167
|
|
|
} |
|
168
|
|
|
return $this; |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
public function crop($width, $height) |
|
172
|
|
|
{ |
|
173
|
|
|
$centerX = round($this->width / 2); |
|
174
|
|
|
$centerY = round($this->height / 2); |
|
175
|
|
|
|
|
176
|
|
|
$cropWidthHalf = round($width / 2); |
|
177
|
|
|
$cropHeightHalf = round($height / 2); |
|
178
|
|
|
|
|
179
|
|
|
$x1 = intval(max(0, $centerX - $cropWidthHalf)); |
|
180
|
|
|
$y1 = intval(max(0, $centerY - $cropHeightHalf)); |
|
181
|
|
|
|
|
182
|
|
|
$this->destination = imagecreatetruecolor($width, $height); |
|
183
|
|
|
if ($this->destination === false) { |
|
184
|
|
|
throw new RuntimeException("Can't create destination image"); |
|
185
|
|
|
} |
|
186
|
|
|
imagecopy( |
|
187
|
|
|
$this->destination, |
|
188
|
|
|
$this->source, |
|
189
|
|
|
0, |
|
190
|
|
|
0, |
|
191
|
|
|
$x1, |
|
192
|
|
|
$y1, |
|
193
|
|
|
$width, |
|
194
|
|
|
$height |
|
195
|
|
|
); |
|
196
|
|
|
|
|
197
|
|
|
return $this->chain(); |
|
198
|
|
|
} |
|
199
|
|
|
|
|
200
|
|
|
public function resizeCanvas( |
|
201
|
|
|
$width, |
|
202
|
|
|
$height, |
|
203
|
|
|
$position = null, |
|
204
|
|
|
$color = [0, 0, 0] |
|
205
|
|
|
) { |
|
206
|
|
|
$this->destination = imagecreatetruecolor($width, $height); |
|
207
|
|
|
if ($this->destination === false) { |
|
208
|
|
|
throw new RuntimeException("Can't create destination image"); |
|
209
|
|
|
} |
|
210
|
|
|
$colorRes = imagecolorallocate( |
|
211
|
|
|
$this->destination, |
|
212
|
|
|
$color[0], |
|
213
|
|
|
$color[1], |
|
214
|
|
|
$color[2] |
|
215
|
|
|
); |
|
216
|
|
|
$imageObj = new Image(); |
|
217
|
|
|
$imageObj->width = $width; |
|
218
|
|
|
$imageObj->height = $height; |
|
219
|
|
|
imagefill($this->destination, 0, 0, $colorRes); |
|
220
|
|
|
|
|
221
|
|
|
if ($position !== null) { |
|
222
|
|
|
list($x, $y) = $imageObj->getCoordinatesFromString( |
|
223
|
|
|
$position, |
|
224
|
|
|
$this->width, |
|
225
|
|
|
$this->height |
|
226
|
|
|
); |
|
227
|
|
|
} else { |
|
228
|
|
|
$x = 0; |
|
229
|
|
|
$y = 0; |
|
230
|
|
|
} |
|
231
|
|
|
imagecopy( |
|
232
|
|
|
$this->destination, |
|
233
|
|
|
$this->source, |
|
234
|
|
|
$x, |
|
235
|
|
|
$y, |
|
236
|
|
|
0, |
|
237
|
|
|
0, |
|
238
|
|
|
$this->width, |
|
239
|
|
|
$this->height |
|
240
|
|
|
); |
|
241
|
|
|
|
|
242
|
|
|
return $this->chain(); |
|
243
|
|
|
} |
|
244
|
|
|
|
|
245
|
|
|
public function rotate() |
|
246
|
|
|
{ |
|
247
|
|
|
} |
|
248
|
|
|
|
|
249
|
|
|
public function mirror() |
|
250
|
|
|
{ |
|
251
|
|
|
} |
|
252
|
|
|
|
|
253
|
|
|
public function flip() |
|
254
|
|
|
{ |
|
255
|
|
|
} |
|
256
|
|
|
|
|
257
|
|
|
public function merge( |
|
258
|
|
|
$source, |
|
259
|
|
|
$position = null, |
|
260
|
|
|
$x = null, |
|
261
|
|
|
$y = null, |
|
262
|
|
|
$percent = 100 |
|
263
|
|
|
) { |
|
264
|
|
|
if ($source instanceof \Suricate\Image) { |
|
265
|
|
|
} else { |
|
266
|
|
|
$source = with(new Image())->load($source); |
|
267
|
|
|
} |
|
268
|
|
|
|
|
269
|
|
|
if ($position !== null) { |
|
270
|
|
|
list($x, $y) = $this->getCoordinatesFromString( |
|
271
|
|
|
$position, |
|
272
|
|
|
$source->width, |
|
273
|
|
|
$source->height |
|
274
|
|
|
); |
|
275
|
|
|
} |
|
276
|
|
|
$x = $x !== null ? $x : 0; |
|
277
|
|
|
$y = $y !== null ? $y : 0; |
|
278
|
|
|
|
|
279
|
|
|
// Handle transparent image |
|
280
|
|
|
// creating a cut resource |
|
281
|
|
|
$cut = imagecreatetruecolor($source->getWidth(), $source->getHeight()); |
|
282
|
|
|
if ($cut === false) { |
|
283
|
|
|
throw new RuntimeException("Can't create destination image"); |
|
284
|
|
|
} |
|
285
|
|
|
// copying relevant section from background to the cut resource |
|
286
|
|
|
imagecopy( |
|
287
|
|
|
$cut, |
|
288
|
|
|
$this->destination, |
|
289
|
|
|
0, |
|
290
|
|
|
0, |
|
291
|
|
|
$x, |
|
292
|
|
|
$y, |
|
293
|
|
|
$source->getWidth(), |
|
294
|
|
|
$source->getHeight() |
|
295
|
|
|
); |
|
296
|
|
|
|
|
297
|
|
|
// copying relevant section from watermark to the cut resource |
|
298
|
|
|
imagecopy( |
|
299
|
|
|
$cut, |
|
300
|
|
|
$source->source, |
|
301
|
|
|
0, |
|
302
|
|
|
0, |
|
303
|
|
|
0, |
|
304
|
|
|
0, |
|
305
|
|
|
$source->getWidth(), |
|
306
|
|
|
$source->getHeight() |
|
307
|
|
|
); |
|
308
|
|
|
|
|
309
|
|
|
imagecopymerge( |
|
310
|
|
|
$this->destination, |
|
311
|
|
|
$cut, |
|
312
|
|
|
$x, |
|
313
|
|
|
$y, |
|
314
|
|
|
0, |
|
315
|
|
|
0, |
|
316
|
|
|
$source->getWidth(), |
|
317
|
|
|
$source->getHeight(), |
|
318
|
|
|
$percent |
|
319
|
|
|
); |
|
320
|
|
|
|
|
321
|
|
|
return $this->chain(); |
|
322
|
|
|
} |
|
323
|
|
|
|
|
324
|
|
|
public function writeText($text, $x = 0, $y = 0, \Closure $callback = null) |
|
325
|
|
|
{ |
|
326
|
|
|
if ($x < 0) { |
|
327
|
|
|
$x = $this->width + $x; |
|
328
|
|
|
} |
|
329
|
|
|
if ($y < 0) { |
|
330
|
|
|
$y = $this->height + $y; |
|
331
|
|
|
} |
|
332
|
|
|
$imageFont = new ImageFont($text); |
|
333
|
|
|
|
|
334
|
|
|
if ($callback != null) { |
|
335
|
|
|
$callback($imageFont); |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
$imageFont->apply($this->source, $x, $y); |
|
339
|
|
|
|
|
340
|
|
|
return $this; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
public function line($x1, $y1, $x2, $y2, \Closure $callback = null) |
|
344
|
|
|
{ |
|
345
|
|
|
$imageShape = new ImageShape(); |
|
346
|
|
|
$imageShape->setImage($this->source); |
|
347
|
|
|
if ($callback != null) { |
|
348
|
|
|
$callback($imageShape); |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
$imageShape->drawLine($x1, $y1, $x2, $y2); |
|
352
|
|
|
|
|
353
|
|
|
return $this; |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
/** |
|
357
|
|
|
* Export image |
|
358
|
|
|
* |
|
359
|
|
|
* @param string $outputType output format |
|
360
|
|
|
* @param integer $quality Output quality, when available |
|
361
|
|
|
* |
|
362
|
|
|
* @return void |
|
363
|
|
|
*/ |
|
364
|
|
|
public function export($outputType, $quality = 70) |
|
365
|
|
|
{ |
|
366
|
|
|
switch ($outputType) { |
|
367
|
|
|
case 'jpg': |
|
368
|
|
|
case 'jpeg': |
|
369
|
|
|
imagejpeg($this->source, null, $quality); |
|
370
|
|
|
break; |
|
371
|
|
|
case 'png': |
|
372
|
|
|
imagepng($this->source); |
|
373
|
|
|
break; |
|
374
|
|
|
case 'gif': |
|
375
|
|
|
imagegif($this->source); |
|
376
|
|
|
break; |
|
377
|
|
|
case 'webp': |
|
378
|
|
|
imagewebp($this->source, null, $quality); |
|
379
|
|
|
break; |
|
380
|
|
|
default: |
|
381
|
|
|
throw new InvalidArgumentException( |
|
382
|
|
|
sprintf("Invalid output format %s", $outputType) |
|
383
|
|
|
); |
|
384
|
|
|
} |
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
public function save($filename, $outputType = null, $quality = 70) |
|
388
|
|
|
{ |
|
389
|
|
|
$result = false; |
|
390
|
|
|
|
|
391
|
|
|
$extension = |
|
392
|
|
|
$outputType === null |
|
393
|
|
|
? pathinfo($filename, PATHINFO_EXTENSION) |
|
394
|
|
|
: $outputType; |
|
395
|
|
|
|
|
396
|
|
|
if ($extension !== false) { |
|
397
|
|
|
switch (strtolower($extension)) { |
|
398
|
|
|
case 'jpg': |
|
399
|
|
|
case 'jpeg': |
|
400
|
|
|
$result = imagejpeg($this->source, $filename, $quality); |
|
401
|
|
|
break; |
|
402
|
|
|
case 'png': |
|
403
|
|
|
$result = imagepng($this->source, $filename); |
|
404
|
|
|
break; |
|
405
|
|
|
case 'gif': |
|
406
|
|
|
$result = imagegif($this->source, $filename); |
|
407
|
|
|
break; |
|
408
|
|
|
case 'webp': |
|
409
|
|
|
$result = imagewebp($this->source, $filename, $quality); |
|
410
|
|
|
break; |
|
411
|
|
|
} |
|
412
|
|
|
} |
|
413
|
|
|
|
|
414
|
|
|
return $result; |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
|
|
private function getCoordinatesFromString( |
|
418
|
|
|
$position, |
|
419
|
|
|
$offsetWidth = 0, |
|
420
|
|
|
$offsetHeight = 0 |
|
421
|
|
|
) { |
|
422
|
|
|
switch ($position) { |
|
423
|
|
|
case 'top': |
|
424
|
|
|
$x = floor($this->width / 2 - $offsetWidth / 2); |
|
425
|
|
|
$y = 0; |
|
426
|
|
|
break; |
|
427
|
|
|
case 'top-right': |
|
428
|
|
|
$x = $this->width - $offsetWidth; |
|
429
|
|
|
$y = 0; |
|
430
|
|
|
break; |
|
431
|
|
|
case 'left': |
|
432
|
|
|
$x = 0; |
|
433
|
|
|
$y = floor($this->height / 2 - $offsetHeight / 2); |
|
434
|
|
|
break; |
|
435
|
|
|
case 'center': |
|
436
|
|
|
$x = floor($this->width / 2 - $offsetWidth / 2); |
|
437
|
|
|
$y = floor($this->height / 2 - $offsetHeight / 2); |
|
438
|
|
|
break; |
|
439
|
|
|
case 'right': |
|
440
|
|
|
$x = $this->width - $offsetWidth; |
|
441
|
|
|
$y = floor($this->height / 2 - $offsetHeight / 2); |
|
442
|
|
|
break; |
|
443
|
|
|
case 'bottom-left': |
|
444
|
|
|
$x = 0; |
|
445
|
|
|
$y = $this->height - $offsetHeight; |
|
446
|
|
|
break; |
|
447
|
|
|
case 'bottom': |
|
448
|
|
|
$x = floor($this->width / 2 - $offsetWidth / 2); |
|
449
|
|
|
$y = $this->height - $offsetHeight; |
|
450
|
|
|
break; |
|
451
|
|
|
case 'bottom-right': |
|
452
|
|
|
$x = $this->width - $offsetWidth; |
|
453
|
|
|
$y = $this->height - $offsetHeight; |
|
454
|
|
|
break; |
|
455
|
|
|
|
|
456
|
|
|
case 'top-left': |
|
457
|
|
|
default: |
|
458
|
|
|
$x = 0; |
|
459
|
|
|
$y = 0; |
|
460
|
|
|
break; |
|
461
|
|
|
} |
|
462
|
|
|
|
|
463
|
|
|
return [intval($x), intval($y)]; |
|
464
|
|
|
} |
|
465
|
|
|
} |
|
466
|
|
|
|