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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (https://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@noladev.com> |
| 7 | * @copyright Copyright (c) 2009-2025 NOLA Interactive, LLC. |
| 8 | * @license https://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Image\Adapter; |
| 15 | |
| 16 | use Pop\Image\Adjust; |
| 17 | use Pop\Color\Color; |
| 18 | use Pop\Image\Draw; |
| 19 | use Pop\Image\Effect; |
| 20 | use Pop\Image\Filter; |
| 21 | use Pop\Image\Layer; |
| 22 | use Pop\Image\Type; |
| 23 | |
| 24 | /** |
| 25 | * Abstract adapter class |
| 26 | * |
| 27 | * @category Pop |
| 28 | * @package Pop\Image |
| 29 | * @author Nick Sagona, III <dev@noladev.com> |
| 30 | * @copyright Copyright (c) 2009-2025 NOLA Interactive, LLC. |
| 31 | * @license https://www.popphp.org/license New BSD License |
| 32 | * @version 4.1.1 |
| 33 | */ |
| 34 | abstract class AbstractAdapter implements AdapterInterface |
| 35 | { |
| 36 | |
| 37 | /** |
| 38 | * Colorspace constants |
| 39 | */ |
| 40 | const IMAGE_GRAY = 1; |
| 41 | const IMAGE_RGB = 2; |
| 42 | const IMAGE_CMYK = 3; |
| 43 | |
| 44 | /** |
| 45 | * Image resource |
| 46 | * @var mixed |
| 47 | */ |
| 48 | protected mixed $resource = null; |
| 49 | |
| 50 | /** |
| 51 | * Image name |
| 52 | * @var string |
| 53 | */ |
| 54 | protected string $name = 'pop-image.jpg'; |
| 55 | |
| 56 | /** |
| 57 | * Image width |
| 58 | * @var int |
| 59 | */ |
| 60 | protected int $width = 640; |
| 61 | |
| 62 | /** |
| 63 | * Image height |
| 64 | * @var int |
| 65 | */ |
| 66 | protected int $height = 480; |
| 67 | |
| 68 | /** |
| 69 | * Image format |
| 70 | * @var string |
| 71 | */ |
| 72 | protected string $format = 'jpg'; |
| 73 | |
| 74 | /** |
| 75 | * Image quality |
| 76 | * @var int |
| 77 | */ |
| 78 | protected int $quality = 100; |
| 79 | |
| 80 | /** |
| 81 | * Image colorspace |
| 82 | * @var int |
| 83 | */ |
| 84 | protected int $colorspace = 2; |
| 85 | |
| 86 | /** |
| 87 | * Index color flag |
| 88 | * @var bool |
| 89 | */ |
| 90 | protected bool $indexed = false; |
| 91 | |
| 92 | /** |
| 93 | * EXIF data |
| 94 | * @var array |
| 95 | */ |
| 96 | protected array $exif = []; |
| 97 | |
| 98 | /** |
| 99 | * Image adjust object |
| 100 | * @var ?Adjust\AdjustInterface |
| 101 | */ |
| 102 | protected ?Adjust\AdjustInterface $adjust = null; |
| 103 | |
| 104 | /** |
| 105 | * Image draw object |
| 106 | * @var ?Draw\DrawInterface |
| 107 | */ |
| 108 | protected ?Draw\DrawInterface $draw = null; |
| 109 | |
| 110 | /** |
| 111 | * Image effect object |
| 112 | * @var ?Effect\EffectInterface |
| 113 | */ |
| 114 | protected ?Effect\EffectInterface $effect = null; |
| 115 | |
| 116 | /** |
| 117 | * Image filter object |
| 118 | * @var ?Filter\FilterInterface |
| 119 | */ |
| 120 | protected ?Filter\FilterInterface $filter = null; |
| 121 | |
| 122 | /** |
| 123 | * Image layer object |
| 124 | * @var ?Layer\LayerInterface |
| 125 | */ |
| 126 | protected ?Layer\LayerInterface $layer = null; |
| 127 | |
| 128 | /** |
| 129 | * Image type object |
| 130 | * @var ?Type\TypeInterface |
| 131 | */ |
| 132 | protected ?Type\TypeInterface $type = null; |
| 133 | |
| 134 | /** |
| 135 | * Constructor |
| 136 | * |
| 137 | * Instantiate an image object based on either a pre-existing image |
| 138 | * file on disk, or a new image file. |
| 139 | * |
| 140 | */ |
| 141 | public function __construct() |
| 142 | { |
| 143 | $args = func_get_args(); |
| 144 | |
| 145 | $this->createResource(); |
| 146 | |
| 147 | // $image |
| 148 | if (isset($args[0]) && !is_numeric($args[0]) && file_exists($args[0])) { |
| 149 | $this->name = $args[0]; |
| 150 | $this->load(); |
| 151 | // $width, $height, $name |
| 152 | } else if ((count($args) >= 2) && is_numeric($args[0]) && is_numeric($args[1])) { |
| 153 | $this->width = $args[0]; |
| 154 | $this->height = $args[1]; |
| 155 | if (isset($args[2]) && !is_numeric($args[2])) { |
| 156 | $this->name = $args[2]; |
| 157 | } |
| 158 | $this->create(); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Create the image resource |
| 164 | * |
| 165 | * @return void |
| 166 | */ |
| 167 | abstract public function createResource(): void; |
| 168 | |
| 169 | /** |
| 170 | * Get the image resource |
| 171 | * |
| 172 | * @return mixed |
| 173 | */ |
| 174 | public function getResource(): mixed |
| 175 | { |
| 176 | return $this->resource; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Determine if there is an image resource |
| 181 | * |
| 182 | * @return bool |
| 183 | */ |
| 184 | public function hasResource(): bool |
| 185 | { |
| 186 | return ($this->resource !== null); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Get the image name |
| 191 | * |
| 192 | * @return string |
| 193 | */ |
| 194 | public function getName(): string |
| 195 | { |
| 196 | return $this->name; |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Get the image width |
| 201 | * |
| 202 | * @return int |
| 203 | */ |
| 204 | public function getWidth(): int |
| 205 | { |
| 206 | return $this->width; |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Get the image height |
| 211 | * |
| 212 | * @return int |
| 213 | */ |
| 214 | public function getHeight(): int |
| 215 | { |
| 216 | return $this->height; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Get the image quality |
| 221 | * |
| 222 | * @return int |
| 223 | */ |
| 224 | public function getQuality(): int |
| 225 | { |
| 226 | return $this->quality; |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Get the colorspace |
| 231 | * |
| 232 | * @return int |
| 233 | */ |
| 234 | public function getColorspace(): int |
| 235 | { |
| 236 | return $this->colorspace; |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Determine if the image is index color |
| 241 | * |
| 242 | * @return bool |
| 243 | */ |
| 244 | public function isIndexed(): bool |
| 245 | { |
| 246 | return $this->indexed; |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Get the image format |
| 251 | * |
| 252 | * @return string |
| 253 | */ |
| 254 | public function getFormat(): string |
| 255 | { |
| 256 | return $this->format; |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Get the image EXIF data |
| 261 | * |
| 262 | * @return array |
| 263 | */ |
| 264 | public function getExif(): array |
| 265 | { |
| 266 | return $this->exif; |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Determine if the image is grayscale |
| 271 | * |
| 272 | * @return bool |
| 273 | */ |
| 274 | public function isGray(): bool |
| 275 | { |
| 276 | return ($this->colorspace == self::IMAGE_GRAY); |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Determine if the image is RGB |
| 281 | * |
| 282 | * @return bool |
| 283 | */ |
| 284 | public function isRgb(): bool |
| 285 | { |
| 286 | return ($this->colorspace == self::IMAGE_RGB); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Determine if the image is CMYK |
| 291 | * |
| 292 | * @return bool |
| 293 | */ |
| 294 | public function isCmyk(): bool |
| 295 | { |
| 296 | return ($this->colorspace == self::IMAGE_CMYK); |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * Set the image quality |
| 301 | * |
| 302 | * @oaram int $quality |
| 303 | * @return static |
| 304 | */ |
| 305 | public function setQuality(int $quality): static |
| 306 | { |
| 307 | $this->quality = $quality; |
| 308 | return $this; |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * Send image headers the image |
| 313 | * |
| 314 | * @param ?string $to |
| 315 | * @param bool $download |
| 316 | * @param array $additionalHeaders |
| 317 | * @return void |
| 318 | */ |
| 319 | public function sendHeaders(?string $to = null, bool $download = false, array $additionalHeaders = []): void |
| 320 | { |
| 321 | if ($to === null) { |
| 322 | $to = ($this->name !== null) ? basename($this->name) : 'pop-image.' . $this->format; |
| 323 | } |
| 324 | |
| 325 | // Determine if the force download argument has been passed. |
| 326 | $headers = [ |
| 327 | 'Content-type' => 'image/' . (($this->format == 'jpg') ? 'jpeg' : $this->format), |
| 328 | 'Content-disposition' => (($download) ? 'attachment; ' : null) . 'filename=' . $to |
| 329 | ]; |
| 330 | |
| 331 | if (!empty($additionalHeaders)) { |
| 332 | $headers = $headers + $additionalHeaders; |
| 333 | } |
| 334 | |
| 335 | // Send the headers and output the image |
| 336 | if (!headers_sent()) { |
| 337 | header('HTTP/1.1 200 OK'); |
| 338 | foreach ($headers as $name => $value) { |
| 339 | header($name . ': ' . $value); |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Magic get method to return a manipulation object |
| 346 | * |
| 347 | * @param string $name |
| 348 | * @return mixed |
| 349 | */ |
| 350 | public function __get(string $name): mixed |
| 351 | { |
| 352 | return match ($name) { |
| 353 | 'adjust' => $this->adjust(), |
| 354 | 'filter' => $this->filter(), |
| 355 | 'layer' => $this->layer(), |
| 356 | 'draw' => $this->draw(), |
| 357 | 'effect' => $this->effect(), |
| 358 | 'type' => $this->type(), |
| 359 | default => null, |
| 360 | }; |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * Load the image resource from the existing image file |
| 365 | * |
| 366 | * @param ?string $name |
| 367 | * @return AbstractAdapter |
| 368 | */ |
| 369 | abstract public function load(?string $name = null): AbstractAdapter; |
| 370 | |
| 371 | /** |
| 372 | * Load the image resource from data |
| 373 | * |
| 374 | * @param string $data |
| 375 | * @param ?string $name |
| 376 | * @return AbstractAdapter |
| 377 | */ |
| 378 | abstract public function loadFromString(string $data, ?string $name = null): AbstractAdapter; |
| 379 | |
| 380 | /** |
| 381 | * Create a new image resource |
| 382 | * |
| 383 | * @param ?int $width |
| 384 | * @param ?int $height |
| 385 | * @param ?string $name |
| 386 | * @return AbstractAdapter |
| 387 | */ |
| 388 | abstract public function create(?int $width = null, ?int $height = null, ?string $name = null): AbstractAdapter; |
| 389 | |
| 390 | /** |
| 391 | * Create a new indexed image resource |
| 392 | * |
| 393 | * @param ?int $width |
| 394 | * @param ?int $height |
| 395 | * @param ?string $name |
| 396 | * @return AbstractAdapter |
| 397 | */ |
| 398 | abstract public function createIndex(?int $width = null, ?int $height = null, ?string $name = null): AbstractAdapter; |
| 399 | |
| 400 | /** |
| 401 | * Resize the image object to the width parameter passed |
| 402 | * |
| 403 | * @param int $w |
| 404 | * @return AbstractAdapter |
| 405 | */ |
| 406 | abstract public function resizeToWidth(int $w): AbstractAdapter; |
| 407 | |
| 408 | /** |
| 409 | * Resize the image object to the height parameter passed |
| 410 | * |
| 411 | * @param int $h |
| 412 | * @return AbstractAdapter |
| 413 | */ |
| 414 | abstract public function resizeToHeight(int $h): AbstractAdapter; |
| 415 | |
| 416 | /** |
| 417 | * Resize the image object, allowing for the largest dimension |
| 418 | * to be scaled to the value of the $px argument. |
| 419 | * |
| 420 | * @param int $px |
| 421 | * @return AbstractAdapter |
| 422 | */ |
| 423 | abstract public function resize(int $px): AbstractAdapter; |
| 424 | |
| 425 | /** |
| 426 | * Scale the image object, allowing for the dimensions to be scaled |
| 427 | * proportionally to the value of the $scl argument. |
| 428 | * |
| 429 | * @param float $scale |
| 430 | * @return AbstractAdapter |
| 431 | */ |
| 432 | abstract public function scale(float $scale): AbstractAdapter; |
| 433 | |
| 434 | /** |
| 435 | * Crop the image object to a image whose dimensions are based on the |
| 436 | * value of the $wid and $hgt argument. The optional $x and $y arguments |
| 437 | * allow for the adjustment of the crop to select a certain area of the |
| 438 | * image to be cropped. |
| 439 | * |
| 440 | * @param int $w |
| 441 | * @param int $h |
| 442 | * @param int $x |
| 443 | * @param int $y |
| 444 | * @return AbstractAdapter |
| 445 | */ |
| 446 | abstract public function crop(int $w, int $h, int $x = 0, int $y = 0): AbstractAdapter; |
| 447 | |
| 448 | /** |
| 449 | * Crop the image object to a square image whose dimensions are based on the |
| 450 | * value of the $px argument. The optional $offset argument allows for the |
| 451 | * adjustment of the crop to select a certain area of the image to be cropped. |
| 452 | * |
| 453 | * @param int $px |
| 454 | * @param ?int $offset |
| 455 | * @return AbstractAdapter |
| 456 | */ |
| 457 | abstract public function cropThumb(int $px, ?int $offset = null): AbstractAdapter; |
| 458 | |
| 459 | /** |
| 460 | * Rotate the image object |
| 461 | * |
| 462 | * @param int $degrees |
| 463 | * @param ?Color\ColorInterface $bgColor |
| 464 | * @throws Exception |
| 465 | * @return AbstractAdapter |
| 466 | */ |
| 467 | abstract public function rotate(int $degrees, ?Color\ColorInterface $bgColor = null): AbstractAdapter; |
| 468 | |
| 469 | /** |
| 470 | * Method to flip the image over the x-axis |
| 471 | * |
| 472 | * @return AbstractAdapter |
| 473 | */ |
| 474 | abstract public function flip(): AbstractAdapter; |
| 475 | |
| 476 | /** |
| 477 | * Method to flip the image over the y-axis |
| 478 | * |
| 479 | * @return AbstractAdapter |
| 480 | */ |
| 481 | abstract public function flop(): AbstractAdapter; |
| 482 | |
| 483 | /** |
| 484 | * Get the image adjust object |
| 485 | * |
| 486 | * @return Adjust\AdjustInterface |
| 487 | */ |
| 488 | abstract public function adjust(): Adjust\AdjustInterface; |
| 489 | |
| 490 | /** |
| 491 | * Get the image filter object |
| 492 | * |
| 493 | * @return Filter\FilterInterface |
| 494 | */ |
| 495 | abstract public function filter(): Filter\FilterInterface; |
| 496 | |
| 497 | /** |
| 498 | * Get the image layer object |
| 499 | * |
| 500 | * @return Layer\LayerInterface |
| 501 | */ |
| 502 | abstract public function layer(): Layer\LayerInterface; |
| 503 | |
| 504 | /** |
| 505 | * Get the image draw object |
| 506 | * |
| 507 | * @return Draw\DrawInterface |
| 508 | */ |
| 509 | abstract public function draw(): Draw\DrawInterface; |
| 510 | |
| 511 | /** |
| 512 | * Get the image effect object |
| 513 | * |
| 514 | * @return Effect\EffectInterface |
| 515 | */ |
| 516 | abstract public function effect(): Effect\EffectInterface; |
| 517 | |
| 518 | /** |
| 519 | * Get the image type object |
| 520 | * |
| 521 | * @return Type\TypeInterface |
| 522 | */ |
| 523 | abstract public function type(): Type\TypeInterface; |
| 524 | |
| 525 | /** |
| 526 | * Convert the image object to another format |
| 527 | * |
| 528 | * @param string $type |
| 529 | * @throws Exception |
| 530 | * @return AbstractAdapter |
| 531 | */ |
| 532 | abstract public function convert(string $type): AbstractAdapter; |
| 533 | |
| 534 | /** |
| 535 | * Write the image object to a file on disk |
| 536 | * |
| 537 | * @param ?string $to |
| 538 | * @param int $quality |
| 539 | * @throws Exception |
| 540 | * @return void |
| 541 | */ |
| 542 | abstract public function writeToFile(?string $to = null, int $quality = 100): void; |
| 543 | |
| 544 | /** |
| 545 | * Output the image object to a raw string |
| 546 | * |
| 547 | * @param int $quality |
| 548 | * @throws Exception |
| 549 | * @return string|false |
| 550 | */ |
| 551 | abstract public function outputToRawString(int $quality = 100): string|false; |
| 552 | |
| 553 | /** |
| 554 | * Output the image object directly to HTTP |
| 555 | * |
| 556 | * @param int $quality |
| 557 | * @param ?string $to |
| 558 | * @param bool $download |
| 559 | * @param bool $sendHeaders |
| 560 | * @throws Exception |
| 561 | * @return void |
| 562 | */ |
| 563 | abstract public function outputToHttp(int $quality = 100, ?string $to = null, bool $download = false, bool $sendHeaders = true): void; |
| 564 | |
| 565 | /** |
| 566 | * Destroy the image object and the related image file directly |
| 567 | * |
| 568 | * @param bool $delete |
| 569 | * @return void |
| 570 | */ |
| 571 | abstract public function destroy(bool $delete = false): void; |
| 572 | |
| 573 | /** |
| 574 | * Create and return a color. |
| 575 | * |
| 576 | * @param ?Color\ColorInterface $color |
| 577 | * @param int $alpha |
| 578 | * @throws Exception |
| 579 | * @return mixed |
| 580 | */ |
| 581 | abstract public function createColor(?Color\ColorInterface $color = null, int $alpha = 100): mixed; |
| 582 | |
| 583 | /** |
| 584 | * Output the image |
| 585 | * |
| 586 | * @return string |
| 587 | */ |
| 588 | abstract public function __toString(): string; |
| 589 | |
| 590 | } |