nextcloud /
server
@@ -47,686 +47,686 @@ discard block |
||
| 47 | 47 | */ |
| 48 | 48 | class OC_Image implements \OCP\IImage { |
| 49 | 49 | |
| 50 | - // Default memory limit for images to load (128 MBytes). |
|
| 51 | - protected const DEFAULT_MEMORY_LIMIT = 128; |
|
| 52 | - |
|
| 53 | - /** @var false|resource|\GdImage */ |
|
| 54 | - protected $resource = false; // tmp resource. |
|
| 55 | - /** @var int */ |
|
| 56 | - protected $imageType = IMAGETYPE_PNG; // Default to png if file type isn't evident. |
|
| 57 | - /** @var string */ |
|
| 58 | - protected $mimeType = 'image/png'; // Default to png |
|
| 59 | - /** @var int */ |
|
| 60 | - protected $bitDepth = 24; |
|
| 61 | - /** @var null|string */ |
|
| 62 | - protected $filePath = null; |
|
| 63 | - /** @var finfo */ |
|
| 64 | - private $fileInfo; |
|
| 65 | - /** @var \OCP\ILogger */ |
|
| 66 | - private $logger; |
|
| 67 | - /** @var \OCP\IConfig */ |
|
| 68 | - private $config; |
|
| 69 | - /** @var array */ |
|
| 70 | - private $exif; |
|
| 71 | - |
|
| 72 | - /** |
|
| 73 | - * Constructor. |
|
| 74 | - * |
|
| 75 | - * @param resource|string|\GdImage $imageRef The path to a local file, a base64 encoded string or a resource created by |
|
| 76 | - * an imagecreate* function. |
|
| 77 | - * @param \OCP\ILogger $logger |
|
| 78 | - * @param \OCP\IConfig $config |
|
| 79 | - * @throws \InvalidArgumentException in case the $imageRef parameter is not null |
|
| 80 | - */ |
|
| 81 | - public function __construct($imageRef = null, \OCP\ILogger $logger = null, \OCP\IConfig $config = null) { |
|
| 82 | - $this->logger = $logger; |
|
| 83 | - if ($logger === null) { |
|
| 84 | - $this->logger = \OC::$server->getLogger(); |
|
| 85 | - } |
|
| 86 | - $this->config = $config; |
|
| 87 | - if ($config === null) { |
|
| 88 | - $this->config = \OC::$server->getConfig(); |
|
| 89 | - } |
|
| 90 | - |
|
| 91 | - if (\OC_Util::fileInfoLoaded()) { |
|
| 92 | - $this->fileInfo = new finfo(FILEINFO_MIME_TYPE); |
|
| 93 | - } |
|
| 94 | - |
|
| 95 | - if ($imageRef !== null) { |
|
| 96 | - throw new \InvalidArgumentException('The first parameter in the constructor is not supported anymore. Please use any of the load* methods of the image object to load an image.'); |
|
| 97 | - } |
|
| 98 | - } |
|
| 99 | - |
|
| 100 | - /** |
|
| 101 | - * Determine whether the object contains an image resource. |
|
| 102 | - * |
|
| 103 | - * @return bool |
|
| 104 | - */ |
|
| 105 | - public function valid() { |
|
| 106 | - if (is_resource($this->resource)) { |
|
| 107 | - return true; |
|
| 108 | - } |
|
| 109 | - if (is_object($this->resource) && get_class($this->resource) === \GdImage::class) { |
|
| 110 | - return true; |
|
| 111 | - } |
|
| 112 | - |
|
| 113 | - return false; |
|
| 114 | - } |
|
| 115 | - |
|
| 116 | - /** |
|
| 117 | - * Returns the MIME type of the image or an empty string if no image is loaded. |
|
| 118 | - * |
|
| 119 | - * @return string |
|
| 120 | - */ |
|
| 121 | - public function mimeType() { |
|
| 122 | - return $this->valid() ? $this->mimeType : ''; |
|
| 123 | - } |
|
| 124 | - |
|
| 125 | - /** |
|
| 126 | - * Returns the width of the image or -1 if no image is loaded. |
|
| 127 | - * |
|
| 128 | - * @return int |
|
| 129 | - */ |
|
| 130 | - public function width() { |
|
| 131 | - if ($this->valid()) { |
|
| 132 | - $width = imagesx($this->resource); |
|
| 133 | - if ($width !== false) { |
|
| 134 | - return $width; |
|
| 135 | - } |
|
| 136 | - } |
|
| 137 | - return -1; |
|
| 138 | - } |
|
| 139 | - |
|
| 140 | - /** |
|
| 141 | - * Returns the height of the image or -1 if no image is loaded. |
|
| 142 | - * |
|
| 143 | - * @return int |
|
| 144 | - */ |
|
| 145 | - public function height() { |
|
| 146 | - if ($this->valid()) { |
|
| 147 | - $height = imagesy($this->resource); |
|
| 148 | - if ($height !== false) { |
|
| 149 | - return $height; |
|
| 150 | - } |
|
| 151 | - } |
|
| 152 | - return -1; |
|
| 153 | - } |
|
| 154 | - |
|
| 155 | - /** |
|
| 156 | - * Returns the width when the image orientation is top-left. |
|
| 157 | - * |
|
| 158 | - * @return int |
|
| 159 | - */ |
|
| 160 | - public function widthTopLeft() { |
|
| 161 | - $o = $this->getOrientation(); |
|
| 162 | - $this->logger->debug('OC_Image->widthTopLeft() Orientation: ' . $o, ['app' => 'core']); |
|
| 163 | - switch ($o) { |
|
| 164 | - case -1: |
|
| 165 | - case 1: |
|
| 166 | - case 2: // Not tested |
|
| 167 | - case 3: |
|
| 168 | - case 4: // Not tested |
|
| 169 | - return $this->width(); |
|
| 170 | - case 5: // Not tested |
|
| 171 | - case 6: |
|
| 172 | - case 7: // Not tested |
|
| 173 | - case 8: |
|
| 174 | - return $this->height(); |
|
| 175 | - } |
|
| 176 | - return $this->width(); |
|
| 177 | - } |
|
| 178 | - |
|
| 179 | - /** |
|
| 180 | - * Returns the height when the image orientation is top-left. |
|
| 181 | - * |
|
| 182 | - * @return int |
|
| 183 | - */ |
|
| 184 | - public function heightTopLeft() { |
|
| 185 | - $o = $this->getOrientation(); |
|
| 186 | - $this->logger->debug('OC_Image->heightTopLeft() Orientation: ' . $o, ['app' => 'core']); |
|
| 187 | - switch ($o) { |
|
| 188 | - case -1: |
|
| 189 | - case 1: |
|
| 190 | - case 2: // Not tested |
|
| 191 | - case 3: |
|
| 192 | - case 4: // Not tested |
|
| 193 | - return $this->height(); |
|
| 194 | - case 5: // Not tested |
|
| 195 | - case 6: |
|
| 196 | - case 7: // Not tested |
|
| 197 | - case 8: |
|
| 198 | - return $this->width(); |
|
| 199 | - } |
|
| 200 | - return $this->height(); |
|
| 201 | - } |
|
| 202 | - |
|
| 203 | - /** |
|
| 204 | - * Outputs the image. |
|
| 205 | - * |
|
| 206 | - * @param string $mimeType |
|
| 207 | - * @return bool |
|
| 208 | - */ |
|
| 209 | - public function show($mimeType = null) { |
|
| 210 | - if ($mimeType === null) { |
|
| 211 | - $mimeType = $this->mimeType(); |
|
| 212 | - } |
|
| 213 | - header('Content-Type: ' . $mimeType); |
|
| 214 | - return $this->_output(null, $mimeType); |
|
| 215 | - } |
|
| 216 | - |
|
| 217 | - /** |
|
| 218 | - * Saves the image. |
|
| 219 | - * |
|
| 220 | - * @param string $filePath |
|
| 221 | - * @param string $mimeType |
|
| 222 | - * @return bool |
|
| 223 | - */ |
|
| 224 | - |
|
| 225 | - public function save($filePath = null, $mimeType = null) { |
|
| 226 | - if ($mimeType === null) { |
|
| 227 | - $mimeType = $this->mimeType(); |
|
| 228 | - } |
|
| 229 | - if ($filePath === null) { |
|
| 230 | - if ($this->filePath === null) { |
|
| 231 | - $this->logger->error(__METHOD__ . '(): called with no path.', ['app' => 'core']); |
|
| 232 | - return false; |
|
| 233 | - } else { |
|
| 234 | - $filePath = $this->filePath; |
|
| 235 | - } |
|
| 236 | - } |
|
| 237 | - return $this->_output($filePath, $mimeType); |
|
| 238 | - } |
|
| 239 | - |
|
| 240 | - /** |
|
| 241 | - * Outputs/saves the image. |
|
| 242 | - * |
|
| 243 | - * @param string $filePath |
|
| 244 | - * @param string $mimeType |
|
| 245 | - * @return bool |
|
| 246 | - * @throws Exception |
|
| 247 | - */ |
|
| 248 | - private function _output($filePath = null, $mimeType = null) { |
|
| 249 | - if ($filePath) { |
|
| 250 | - if (!file_exists(dirname($filePath))) { |
|
| 251 | - mkdir(dirname($filePath), 0777, true); |
|
| 252 | - } |
|
| 253 | - $isWritable = is_writable(dirname($filePath)); |
|
| 254 | - if (!$isWritable) { |
|
| 255 | - $this->logger->error(__METHOD__ . '(): Directory \'' . dirname($filePath) . '\' is not writable.', ['app' => 'core']); |
|
| 256 | - return false; |
|
| 257 | - } elseif ($isWritable && file_exists($filePath) && !is_writable($filePath)) { |
|
| 258 | - $this->logger->error(__METHOD__ . '(): File \'' . $filePath . '\' is not writable.', ['app' => 'core']); |
|
| 259 | - return false; |
|
| 260 | - } |
|
| 261 | - } |
|
| 262 | - if (!$this->valid()) { |
|
| 263 | - return false; |
|
| 264 | - } |
|
| 265 | - |
|
| 266 | - $imageType = $this->imageType; |
|
| 267 | - if ($mimeType !== null) { |
|
| 268 | - switch ($mimeType) { |
|
| 269 | - case 'image/gif': |
|
| 270 | - $imageType = IMAGETYPE_GIF; |
|
| 271 | - break; |
|
| 272 | - case 'image/jpeg': |
|
| 273 | - $imageType = IMAGETYPE_JPEG; |
|
| 274 | - break; |
|
| 275 | - case 'image/png': |
|
| 276 | - $imageType = IMAGETYPE_PNG; |
|
| 277 | - break; |
|
| 278 | - case 'image/x-xbitmap': |
|
| 279 | - $imageType = IMAGETYPE_XBM; |
|
| 280 | - break; |
|
| 281 | - case 'image/bmp': |
|
| 282 | - case 'image/x-ms-bmp': |
|
| 283 | - $imageType = IMAGETYPE_BMP; |
|
| 284 | - break; |
|
| 285 | - default: |
|
| 286 | - throw new Exception('\OC_Image::_output(): "' . $mimeType . '" is not supported when forcing a specific output format'); |
|
| 287 | - } |
|
| 288 | - } |
|
| 289 | - |
|
| 290 | - switch ($imageType) { |
|
| 291 | - case IMAGETYPE_GIF: |
|
| 292 | - $retVal = imagegif($this->resource, $filePath); |
|
| 293 | - break; |
|
| 294 | - case IMAGETYPE_JPEG: |
|
| 295 | - $retVal = imagejpeg($this->resource, $filePath, $this->getJpegQuality()); |
|
| 296 | - break; |
|
| 297 | - case IMAGETYPE_PNG: |
|
| 298 | - $retVal = imagepng($this->resource, $filePath); |
|
| 299 | - break; |
|
| 300 | - case IMAGETYPE_XBM: |
|
| 301 | - if (function_exists('imagexbm')) { |
|
| 302 | - $retVal = imagexbm($this->resource, $filePath); |
|
| 303 | - } else { |
|
| 304 | - throw new Exception('\OC_Image::_output(): imagexbm() is not supported.'); |
|
| 305 | - } |
|
| 306 | - |
|
| 307 | - break; |
|
| 308 | - case IMAGETYPE_WBMP: |
|
| 309 | - $retVal = imagewbmp($this->resource, $filePath); |
|
| 310 | - break; |
|
| 311 | - case IMAGETYPE_BMP: |
|
| 312 | - $retVal = imagebmp($this->resource, $filePath, $this->bitDepth); |
|
| 313 | - break; |
|
| 314 | - default: |
|
| 315 | - $retVal = imagepng($this->resource, $filePath); |
|
| 316 | - } |
|
| 317 | - return $retVal; |
|
| 318 | - } |
|
| 319 | - |
|
| 320 | - /** |
|
| 321 | - * Prints the image when called as $image(). |
|
| 322 | - */ |
|
| 323 | - public function __invoke() { |
|
| 324 | - return $this->show(); |
|
| 325 | - } |
|
| 326 | - |
|
| 327 | - /** |
|
| 328 | - * @param resource|\GdImage $resource |
|
| 329 | - * @throws \InvalidArgumentException in case the supplied resource does not have the type "gd" |
|
| 330 | - */ |
|
| 331 | - public function setResource($resource) { |
|
| 332 | - // For PHP<8 |
|
| 333 | - if (is_resource($resource) && get_resource_type($resource) === 'gd') { |
|
| 334 | - $this->resource = $resource; |
|
| 335 | - return; |
|
| 336 | - } |
|
| 337 | - // PHP 8 has real objects for GD stuff |
|
| 338 | - if (is_object($resource) && get_class($resource) === \GdImage::class) { |
|
| 339 | - $this->resource = $resource; |
|
| 340 | - return; |
|
| 341 | - } |
|
| 342 | - throw new \InvalidArgumentException('Supplied resource is not of type "gd".'); |
|
| 343 | - } |
|
| 344 | - |
|
| 345 | - /** |
|
| 346 | - * @return false|resource|\GdImage Returns the image resource if any |
|
| 347 | - */ |
|
| 348 | - public function resource() { |
|
| 349 | - return $this->resource; |
|
| 350 | - } |
|
| 351 | - |
|
| 352 | - /** |
|
| 353 | - * @return string Returns the mimetype of the data. Returns the empty string |
|
| 354 | - * if the data is not valid. |
|
| 355 | - */ |
|
| 356 | - public function dataMimeType() { |
|
| 357 | - if (!$this->valid()) { |
|
| 358 | - return ''; |
|
| 359 | - } |
|
| 360 | - |
|
| 361 | - switch ($this->mimeType) { |
|
| 362 | - case 'image/png': |
|
| 363 | - case 'image/jpeg': |
|
| 364 | - case 'image/gif': |
|
| 365 | - return $this->mimeType; |
|
| 366 | - default: |
|
| 367 | - return 'image/png'; |
|
| 368 | - } |
|
| 369 | - } |
|
| 370 | - |
|
| 371 | - /** |
|
| 372 | - * @return null|string Returns the raw image data. |
|
| 373 | - */ |
|
| 374 | - public function data() { |
|
| 375 | - if (!$this->valid()) { |
|
| 376 | - return null; |
|
| 377 | - } |
|
| 378 | - ob_start(); |
|
| 379 | - switch ($this->mimeType) { |
|
| 380 | - case "image/png": |
|
| 381 | - $res = imagepng($this->resource); |
|
| 382 | - break; |
|
| 383 | - case "image/jpeg": |
|
| 384 | - $quality = $this->getJpegQuality(); |
|
| 385 | - if ($quality !== null) { |
|
| 386 | - $res = imagejpeg($this->resource, null, $quality); |
|
| 387 | - } else { |
|
| 388 | - $res = imagejpeg($this->resource); |
|
| 389 | - } |
|
| 390 | - break; |
|
| 391 | - case "image/gif": |
|
| 392 | - $res = imagegif($this->resource); |
|
| 393 | - break; |
|
| 394 | - default: |
|
| 395 | - $res = imagepng($this->resource); |
|
| 396 | - $this->logger->info('OC_Image->data. Could not guess mime-type, defaulting to png', ['app' => 'core']); |
|
| 397 | - break; |
|
| 398 | - } |
|
| 399 | - if (!$res) { |
|
| 400 | - $this->logger->error('OC_Image->data. Error getting image data.', ['app' => 'core']); |
|
| 401 | - } |
|
| 402 | - return ob_get_clean(); |
|
| 403 | - } |
|
| 404 | - |
|
| 405 | - /** |
|
| 406 | - * @return string - base64 encoded, which is suitable for embedding in a VCard. |
|
| 407 | - */ |
|
| 408 | - public function __toString() { |
|
| 409 | - return base64_encode($this->data()); |
|
| 410 | - } |
|
| 411 | - |
|
| 412 | - /** |
|
| 413 | - * @return int|null |
|
| 414 | - */ |
|
| 415 | - protected function getJpegQuality() { |
|
| 416 | - $quality = $this->config->getAppValue('preview', 'jpeg_quality', 90); |
|
| 417 | - if ($quality !== null) { |
|
| 418 | - $quality = min(100, max(10, (int) $quality)); |
|
| 419 | - } |
|
| 420 | - return $quality; |
|
| 421 | - } |
|
| 422 | - |
|
| 423 | - /** |
|
| 424 | - * (I'm open for suggestions on better method name ;) |
|
| 425 | - * Get the orientation based on EXIF data. |
|
| 426 | - * |
|
| 427 | - * @return int The orientation or -1 if no EXIF data is available. |
|
| 428 | - */ |
|
| 429 | - public function getOrientation() { |
|
| 430 | - if ($this->exif !== null) { |
|
| 431 | - return $this->exif['Orientation']; |
|
| 432 | - } |
|
| 433 | - |
|
| 434 | - if ($this->imageType !== IMAGETYPE_JPEG) { |
|
| 435 | - $this->logger->debug('OC_Image->fixOrientation() Image is not a JPEG.', ['app' => 'core']); |
|
| 436 | - return -1; |
|
| 437 | - } |
|
| 438 | - if (!is_callable('exif_read_data')) { |
|
| 439 | - $this->logger->debug('OC_Image->fixOrientation() Exif module not enabled.', ['app' => 'core']); |
|
| 440 | - return -1; |
|
| 441 | - } |
|
| 442 | - if (!$this->valid()) { |
|
| 443 | - $this->logger->debug('OC_Image->fixOrientation() No image loaded.', ['app' => 'core']); |
|
| 444 | - return -1; |
|
| 445 | - } |
|
| 446 | - if (is_null($this->filePath) || !is_readable($this->filePath)) { |
|
| 447 | - $this->logger->debug('OC_Image->fixOrientation() No readable file path set.', ['app' => 'core']); |
|
| 448 | - return -1; |
|
| 449 | - } |
|
| 450 | - $exif = @exif_read_data($this->filePath, 'IFD0'); |
|
| 451 | - if (!$exif) { |
|
| 452 | - return -1; |
|
| 453 | - } |
|
| 454 | - if (!isset($exif['Orientation'])) { |
|
| 455 | - return -1; |
|
| 456 | - } |
|
| 457 | - $this->exif = $exif; |
|
| 458 | - return $exif['Orientation']; |
|
| 459 | - } |
|
| 460 | - |
|
| 461 | - public function readExif($data) { |
|
| 462 | - if (!is_callable('exif_read_data')) { |
|
| 463 | - $this->logger->debug('OC_Image->fixOrientation() Exif module not enabled.', ['app' => 'core']); |
|
| 464 | - return; |
|
| 465 | - } |
|
| 466 | - if (!$this->valid()) { |
|
| 467 | - $this->logger->debug('OC_Image->fixOrientation() No image loaded.', ['app' => 'core']); |
|
| 468 | - return; |
|
| 469 | - } |
|
| 470 | - |
|
| 471 | - $exif = @exif_read_data('data://image/jpeg;base64,' . base64_encode($data)); |
|
| 472 | - if (!$exif) { |
|
| 473 | - return; |
|
| 474 | - } |
|
| 475 | - if (!isset($exif['Orientation'])) { |
|
| 476 | - return; |
|
| 477 | - } |
|
| 478 | - $this->exif = $exif; |
|
| 479 | - } |
|
| 480 | - |
|
| 481 | - /** |
|
| 482 | - * (I'm open for suggestions on better method name ;) |
|
| 483 | - * Fixes orientation based on EXIF data. |
|
| 484 | - * |
|
| 485 | - * @return bool |
|
| 486 | - */ |
|
| 487 | - public function fixOrientation() { |
|
| 488 | - if (!$this->valid()) { |
|
| 489 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 490 | - return false; |
|
| 491 | - } |
|
| 492 | - $o = $this->getOrientation(); |
|
| 493 | - $this->logger->debug('OC_Image->fixOrientation() Orientation: ' . $o, ['app' => 'core']); |
|
| 494 | - $rotate = 0; |
|
| 495 | - $flip = false; |
|
| 496 | - switch ($o) { |
|
| 497 | - case -1: |
|
| 498 | - return false; //Nothing to fix |
|
| 499 | - case 1: |
|
| 500 | - $rotate = 0; |
|
| 501 | - break; |
|
| 502 | - case 2: |
|
| 503 | - $rotate = 0; |
|
| 504 | - $flip = true; |
|
| 505 | - break; |
|
| 506 | - case 3: |
|
| 507 | - $rotate = 180; |
|
| 508 | - break; |
|
| 509 | - case 4: |
|
| 510 | - $rotate = 180; |
|
| 511 | - $flip = true; |
|
| 512 | - break; |
|
| 513 | - case 5: |
|
| 514 | - $rotate = 90; |
|
| 515 | - $flip = true; |
|
| 516 | - break; |
|
| 517 | - case 6: |
|
| 518 | - $rotate = 270; |
|
| 519 | - break; |
|
| 520 | - case 7: |
|
| 521 | - $rotate = 270; |
|
| 522 | - $flip = true; |
|
| 523 | - break; |
|
| 524 | - case 8: |
|
| 525 | - $rotate = 90; |
|
| 526 | - break; |
|
| 527 | - } |
|
| 528 | - if ($flip && function_exists('imageflip')) { |
|
| 529 | - imageflip($this->resource, IMG_FLIP_HORIZONTAL); |
|
| 530 | - } |
|
| 531 | - if ($rotate) { |
|
| 532 | - $res = imagerotate($this->resource, $rotate, 0); |
|
| 533 | - if ($res) { |
|
| 534 | - if (imagealphablending($res, true)) { |
|
| 535 | - if (imagesavealpha($res, true)) { |
|
| 536 | - imagedestroy($this->resource); |
|
| 537 | - $this->resource = $res; |
|
| 538 | - return true; |
|
| 539 | - } else { |
|
| 540 | - $this->logger->debug('OC_Image->fixOrientation() Error during alpha-saving', ['app' => 'core']); |
|
| 541 | - return false; |
|
| 542 | - } |
|
| 543 | - } else { |
|
| 544 | - $this->logger->debug('OC_Image->fixOrientation() Error during alpha-blending', ['app' => 'core']); |
|
| 545 | - return false; |
|
| 546 | - } |
|
| 547 | - } else { |
|
| 548 | - $this->logger->debug('OC_Image->fixOrientation() Error during orientation fixing', ['app' => 'core']); |
|
| 549 | - return false; |
|
| 550 | - } |
|
| 551 | - } |
|
| 552 | - return false; |
|
| 553 | - } |
|
| 554 | - |
|
| 555 | - /** |
|
| 556 | - * Loads an image from an open file handle. |
|
| 557 | - * It is the responsibility of the caller to position the pointer at the correct place and to close the handle again. |
|
| 558 | - * |
|
| 559 | - * @param resource $handle |
|
| 560 | - * @return resource|\GdImage|false An image resource or false on error |
|
| 561 | - */ |
|
| 562 | - public function loadFromFileHandle($handle) { |
|
| 563 | - $contents = stream_get_contents($handle); |
|
| 564 | - if ($this->loadFromData($contents)) { |
|
| 565 | - return $this->resource; |
|
| 566 | - } |
|
| 567 | - return false; |
|
| 568 | - } |
|
| 569 | - |
|
| 570 | - /** |
|
| 571 | - * Check if allocating an image with the given size is allowed. |
|
| 572 | - * |
|
| 573 | - * @param int $width The image width. |
|
| 574 | - * @param int $height The image height. |
|
| 575 | - * @return bool true if allocating is allowed, false otherwise |
|
| 576 | - */ |
|
| 577 | - private function checkImageMemory($width, $height) { |
|
| 578 | - $memory_limit = $this->config->getSystemValueInt('preview_max_memory', self::DEFAULT_MEMORY_LIMIT); |
|
| 579 | - if ($memory_limit < 0) { |
|
| 580 | - // Not limited. |
|
| 581 | - return true; |
|
| 582 | - } |
|
| 583 | - |
|
| 584 | - // Assume 32 bits per pixel. |
|
| 585 | - if ($width * $height * 4 > $memory_limit * 1024 * 1024) { |
|
| 586 | - $this->logger->debug('Image size of ' . $width . 'x' . $height . ' would exceed allowed memory limit of ' . $memory_limit); |
|
| 587 | - return false; |
|
| 588 | - } |
|
| 589 | - |
|
| 590 | - return true; |
|
| 591 | - } |
|
| 592 | - |
|
| 593 | - /** |
|
| 594 | - * Check if loading an image file from the given path is allowed. |
|
| 595 | - * |
|
| 596 | - * @param string $path The path to a local file. |
|
| 597 | - * @return bool true if allocating is allowed, false otherwise |
|
| 598 | - */ |
|
| 599 | - private function checkImageSize($path) { |
|
| 600 | - $size = getimagesize($path); |
|
| 601 | - if (!$size) { |
|
| 602 | - return true; |
|
| 603 | - } |
|
| 604 | - |
|
| 605 | - $width = $size[0]; |
|
| 606 | - $height = $size[1]; |
|
| 607 | - if (!$this->checkImageMemory($width, $height)) { |
|
| 608 | - return false; |
|
| 609 | - } |
|
| 610 | - |
|
| 611 | - return true; |
|
| 612 | - } |
|
| 613 | - |
|
| 614 | - /** |
|
| 615 | - * Check if loading an image from the given data is allowed. |
|
| 616 | - * |
|
| 617 | - * @param string $data A string of image data as read from a file. |
|
| 618 | - * @return bool true if allocating is allowed, false otherwise |
|
| 619 | - */ |
|
| 620 | - private function checkImageDataSize($data) { |
|
| 621 | - $size = getimagesizefromstring($data); |
|
| 622 | - if (!$size) { |
|
| 623 | - return true; |
|
| 624 | - } |
|
| 625 | - |
|
| 626 | - $width = $size[0]; |
|
| 627 | - $height = $size[1]; |
|
| 628 | - if (!$this->checkImageMemory($width, $height)) { |
|
| 629 | - return false; |
|
| 630 | - } |
|
| 631 | - |
|
| 632 | - return true; |
|
| 633 | - } |
|
| 634 | - |
|
| 635 | - /** |
|
| 636 | - * Loads an image from a local file. |
|
| 637 | - * |
|
| 638 | - * @param bool|string $imagePath The path to a local file. |
|
| 639 | - * @return bool|resource|\GdImage An image resource or false on error |
|
| 640 | - */ |
|
| 641 | - public function loadFromFile($imagePath = false) { |
|
| 642 | - // exif_imagetype throws "read error!" if file is less than 12 byte |
|
| 643 | - if (is_bool($imagePath) || !@is_file($imagePath) || !file_exists($imagePath) || filesize($imagePath) < 12 || !is_readable($imagePath)) { |
|
| 644 | - return false; |
|
| 645 | - } |
|
| 646 | - $iType = exif_imagetype($imagePath); |
|
| 647 | - switch ($iType) { |
|
| 648 | - case IMAGETYPE_GIF: |
|
| 649 | - if (imagetypes() & IMG_GIF) { |
|
| 650 | - if (!$this->checkImageSize($imagePath)) { |
|
| 651 | - return false; |
|
| 652 | - } |
|
| 653 | - $this->resource = imagecreatefromgif($imagePath); |
|
| 654 | - if ($this->resource) { |
|
| 655 | - // Preserve transparency |
|
| 656 | - imagealphablending($this->resource, true); |
|
| 657 | - imagesavealpha($this->resource, true); |
|
| 658 | - } else { |
|
| 659 | - $this->logger->debug('OC_Image->loadFromFile, GIF image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 660 | - } |
|
| 661 | - } else { |
|
| 662 | - $this->logger->debug('OC_Image->loadFromFile, GIF images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 663 | - } |
|
| 664 | - break; |
|
| 665 | - case IMAGETYPE_JPEG: |
|
| 666 | - if (imagetypes() & IMG_JPG) { |
|
| 667 | - if (!$this->checkImageSize($imagePath)) { |
|
| 668 | - return false; |
|
| 669 | - } |
|
| 670 | - if (getimagesize($imagePath) !== false) { |
|
| 671 | - $this->resource = @imagecreatefromjpeg($imagePath); |
|
| 672 | - } else { |
|
| 673 | - $this->logger->debug('OC_Image->loadFromFile, JPG image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 674 | - } |
|
| 675 | - } else { |
|
| 676 | - $this->logger->debug('OC_Image->loadFromFile, JPG images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 677 | - } |
|
| 678 | - break; |
|
| 679 | - case IMAGETYPE_PNG: |
|
| 680 | - if (imagetypes() & IMG_PNG) { |
|
| 681 | - if (!$this->checkImageSize($imagePath)) { |
|
| 682 | - return false; |
|
| 683 | - } |
|
| 684 | - $this->resource = @imagecreatefrompng($imagePath); |
|
| 685 | - if ($this->resource) { |
|
| 686 | - // Preserve transparency |
|
| 687 | - imagealphablending($this->resource, true); |
|
| 688 | - imagesavealpha($this->resource, true); |
|
| 689 | - } else { |
|
| 690 | - $this->logger->debug('OC_Image->loadFromFile, PNG image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 691 | - } |
|
| 692 | - } else { |
|
| 693 | - $this->logger->debug('OC_Image->loadFromFile, PNG images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 694 | - } |
|
| 695 | - break; |
|
| 696 | - case IMAGETYPE_XBM: |
|
| 697 | - if (imagetypes() & IMG_XPM) { |
|
| 698 | - if (!$this->checkImageSize($imagePath)) { |
|
| 699 | - return false; |
|
| 700 | - } |
|
| 701 | - $this->resource = @imagecreatefromxbm($imagePath); |
|
| 702 | - } else { |
|
| 703 | - $this->logger->debug('OC_Image->loadFromFile, XBM/XPM images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 704 | - } |
|
| 705 | - break; |
|
| 706 | - case IMAGETYPE_WBMP: |
|
| 707 | - if (imagetypes() & IMG_WBMP) { |
|
| 708 | - if (!$this->checkImageSize($imagePath)) { |
|
| 709 | - return false; |
|
| 710 | - } |
|
| 711 | - $this->resource = @imagecreatefromwbmp($imagePath); |
|
| 712 | - } else { |
|
| 713 | - $this->logger->debug('OC_Image->loadFromFile, WBMP images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 714 | - } |
|
| 715 | - break; |
|
| 716 | - case IMAGETYPE_BMP: |
|
| 717 | - $this->resource = $this->imagecreatefrombmp($imagePath); |
|
| 718 | - break; |
|
| 719 | - case IMAGETYPE_WEBP: |
|
| 720 | - if (imagetypes() & IMG_WEBP) { |
|
| 721 | - if (!$this->checkImageSize($imagePath)) { |
|
| 722 | - return false; |
|
| 723 | - } |
|
| 724 | - $this->resource = @imagecreatefromwebp($imagePath); |
|
| 725 | - } else { |
|
| 726 | - $this->logger->debug('OC_Image->loadFromFile, webp images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 727 | - } |
|
| 728 | - break; |
|
| 729 | - /* |
|
| 50 | + // Default memory limit for images to load (128 MBytes). |
|
| 51 | + protected const DEFAULT_MEMORY_LIMIT = 128; |
|
| 52 | + |
|
| 53 | + /** @var false|resource|\GdImage */ |
|
| 54 | + protected $resource = false; // tmp resource. |
|
| 55 | + /** @var int */ |
|
| 56 | + protected $imageType = IMAGETYPE_PNG; // Default to png if file type isn't evident. |
|
| 57 | + /** @var string */ |
|
| 58 | + protected $mimeType = 'image/png'; // Default to png |
|
| 59 | + /** @var int */ |
|
| 60 | + protected $bitDepth = 24; |
|
| 61 | + /** @var null|string */ |
|
| 62 | + protected $filePath = null; |
|
| 63 | + /** @var finfo */ |
|
| 64 | + private $fileInfo; |
|
| 65 | + /** @var \OCP\ILogger */ |
|
| 66 | + private $logger; |
|
| 67 | + /** @var \OCP\IConfig */ |
|
| 68 | + private $config; |
|
| 69 | + /** @var array */ |
|
| 70 | + private $exif; |
|
| 71 | + |
|
| 72 | + /** |
|
| 73 | + * Constructor. |
|
| 74 | + * |
|
| 75 | + * @param resource|string|\GdImage $imageRef The path to a local file, a base64 encoded string or a resource created by |
|
| 76 | + * an imagecreate* function. |
|
| 77 | + * @param \OCP\ILogger $logger |
|
| 78 | + * @param \OCP\IConfig $config |
|
| 79 | + * @throws \InvalidArgumentException in case the $imageRef parameter is not null |
|
| 80 | + */ |
|
| 81 | + public function __construct($imageRef = null, \OCP\ILogger $logger = null, \OCP\IConfig $config = null) { |
|
| 82 | + $this->logger = $logger; |
|
| 83 | + if ($logger === null) { |
|
| 84 | + $this->logger = \OC::$server->getLogger(); |
|
| 85 | + } |
|
| 86 | + $this->config = $config; |
|
| 87 | + if ($config === null) { |
|
| 88 | + $this->config = \OC::$server->getConfig(); |
|
| 89 | + } |
|
| 90 | + |
|
| 91 | + if (\OC_Util::fileInfoLoaded()) { |
|
| 92 | + $this->fileInfo = new finfo(FILEINFO_MIME_TYPE); |
|
| 93 | + } |
|
| 94 | + |
|
| 95 | + if ($imageRef !== null) { |
|
| 96 | + throw new \InvalidArgumentException('The first parameter in the constructor is not supported anymore. Please use any of the load* methods of the image object to load an image.'); |
|
| 97 | + } |
|
| 98 | + } |
|
| 99 | + |
|
| 100 | + /** |
|
| 101 | + * Determine whether the object contains an image resource. |
|
| 102 | + * |
|
| 103 | + * @return bool |
|
| 104 | + */ |
|
| 105 | + public function valid() { |
|
| 106 | + if (is_resource($this->resource)) { |
|
| 107 | + return true; |
|
| 108 | + } |
|
| 109 | + if (is_object($this->resource) && get_class($this->resource) === \GdImage::class) { |
|
| 110 | + return true; |
|
| 111 | + } |
|
| 112 | + |
|
| 113 | + return false; |
|
| 114 | + } |
|
| 115 | + |
|
| 116 | + /** |
|
| 117 | + * Returns the MIME type of the image or an empty string if no image is loaded. |
|
| 118 | + * |
|
| 119 | + * @return string |
|
| 120 | + */ |
|
| 121 | + public function mimeType() { |
|
| 122 | + return $this->valid() ? $this->mimeType : ''; |
|
| 123 | + } |
|
| 124 | + |
|
| 125 | + /** |
|
| 126 | + * Returns the width of the image or -1 if no image is loaded. |
|
| 127 | + * |
|
| 128 | + * @return int |
|
| 129 | + */ |
|
| 130 | + public function width() { |
|
| 131 | + if ($this->valid()) { |
|
| 132 | + $width = imagesx($this->resource); |
|
| 133 | + if ($width !== false) { |
|
| 134 | + return $width; |
|
| 135 | + } |
|
| 136 | + } |
|
| 137 | + return -1; |
|
| 138 | + } |
|
| 139 | + |
|
| 140 | + /** |
|
| 141 | + * Returns the height of the image or -1 if no image is loaded. |
|
| 142 | + * |
|
| 143 | + * @return int |
|
| 144 | + */ |
|
| 145 | + public function height() { |
|
| 146 | + if ($this->valid()) { |
|
| 147 | + $height = imagesy($this->resource); |
|
| 148 | + if ($height !== false) { |
|
| 149 | + return $height; |
|
| 150 | + } |
|
| 151 | + } |
|
| 152 | + return -1; |
|
| 153 | + } |
|
| 154 | + |
|
| 155 | + /** |
|
| 156 | + * Returns the width when the image orientation is top-left. |
|
| 157 | + * |
|
| 158 | + * @return int |
|
| 159 | + */ |
|
| 160 | + public function widthTopLeft() { |
|
| 161 | + $o = $this->getOrientation(); |
|
| 162 | + $this->logger->debug('OC_Image->widthTopLeft() Orientation: ' . $o, ['app' => 'core']); |
|
| 163 | + switch ($o) { |
|
| 164 | + case -1: |
|
| 165 | + case 1: |
|
| 166 | + case 2: // Not tested |
|
| 167 | + case 3: |
|
| 168 | + case 4: // Not tested |
|
| 169 | + return $this->width(); |
|
| 170 | + case 5: // Not tested |
|
| 171 | + case 6: |
|
| 172 | + case 7: // Not tested |
|
| 173 | + case 8: |
|
| 174 | + return $this->height(); |
|
| 175 | + } |
|
| 176 | + return $this->width(); |
|
| 177 | + } |
|
| 178 | + |
|
| 179 | + /** |
|
| 180 | + * Returns the height when the image orientation is top-left. |
|
| 181 | + * |
|
| 182 | + * @return int |
|
| 183 | + */ |
|
| 184 | + public function heightTopLeft() { |
|
| 185 | + $o = $this->getOrientation(); |
|
| 186 | + $this->logger->debug('OC_Image->heightTopLeft() Orientation: ' . $o, ['app' => 'core']); |
|
| 187 | + switch ($o) { |
|
| 188 | + case -1: |
|
| 189 | + case 1: |
|
| 190 | + case 2: // Not tested |
|
| 191 | + case 3: |
|
| 192 | + case 4: // Not tested |
|
| 193 | + return $this->height(); |
|
| 194 | + case 5: // Not tested |
|
| 195 | + case 6: |
|
| 196 | + case 7: // Not tested |
|
| 197 | + case 8: |
|
| 198 | + return $this->width(); |
|
| 199 | + } |
|
| 200 | + return $this->height(); |
|
| 201 | + } |
|
| 202 | + |
|
| 203 | + /** |
|
| 204 | + * Outputs the image. |
|
| 205 | + * |
|
| 206 | + * @param string $mimeType |
|
| 207 | + * @return bool |
|
| 208 | + */ |
|
| 209 | + public function show($mimeType = null) { |
|
| 210 | + if ($mimeType === null) { |
|
| 211 | + $mimeType = $this->mimeType(); |
|
| 212 | + } |
|
| 213 | + header('Content-Type: ' . $mimeType); |
|
| 214 | + return $this->_output(null, $mimeType); |
|
| 215 | + } |
|
| 216 | + |
|
| 217 | + /** |
|
| 218 | + * Saves the image. |
|
| 219 | + * |
|
| 220 | + * @param string $filePath |
|
| 221 | + * @param string $mimeType |
|
| 222 | + * @return bool |
|
| 223 | + */ |
|
| 224 | + |
|
| 225 | + public function save($filePath = null, $mimeType = null) { |
|
| 226 | + if ($mimeType === null) { |
|
| 227 | + $mimeType = $this->mimeType(); |
|
| 228 | + } |
|
| 229 | + if ($filePath === null) { |
|
| 230 | + if ($this->filePath === null) { |
|
| 231 | + $this->logger->error(__METHOD__ . '(): called with no path.', ['app' => 'core']); |
|
| 232 | + return false; |
|
| 233 | + } else { |
|
| 234 | + $filePath = $this->filePath; |
|
| 235 | + } |
|
| 236 | + } |
|
| 237 | + return $this->_output($filePath, $mimeType); |
|
| 238 | + } |
|
| 239 | + |
|
| 240 | + /** |
|
| 241 | + * Outputs/saves the image. |
|
| 242 | + * |
|
| 243 | + * @param string $filePath |
|
| 244 | + * @param string $mimeType |
|
| 245 | + * @return bool |
|
| 246 | + * @throws Exception |
|
| 247 | + */ |
|
| 248 | + private function _output($filePath = null, $mimeType = null) { |
|
| 249 | + if ($filePath) { |
|
| 250 | + if (!file_exists(dirname($filePath))) { |
|
| 251 | + mkdir(dirname($filePath), 0777, true); |
|
| 252 | + } |
|
| 253 | + $isWritable = is_writable(dirname($filePath)); |
|
| 254 | + if (!$isWritable) { |
|
| 255 | + $this->logger->error(__METHOD__ . '(): Directory \'' . dirname($filePath) . '\' is not writable.', ['app' => 'core']); |
|
| 256 | + return false; |
|
| 257 | + } elseif ($isWritable && file_exists($filePath) && !is_writable($filePath)) { |
|
| 258 | + $this->logger->error(__METHOD__ . '(): File \'' . $filePath . '\' is not writable.', ['app' => 'core']); |
|
| 259 | + return false; |
|
| 260 | + } |
|
| 261 | + } |
|
| 262 | + if (!$this->valid()) { |
|
| 263 | + return false; |
|
| 264 | + } |
|
| 265 | + |
|
| 266 | + $imageType = $this->imageType; |
|
| 267 | + if ($mimeType !== null) { |
|
| 268 | + switch ($mimeType) { |
|
| 269 | + case 'image/gif': |
|
| 270 | + $imageType = IMAGETYPE_GIF; |
|
| 271 | + break; |
|
| 272 | + case 'image/jpeg': |
|
| 273 | + $imageType = IMAGETYPE_JPEG; |
|
| 274 | + break; |
|
| 275 | + case 'image/png': |
|
| 276 | + $imageType = IMAGETYPE_PNG; |
|
| 277 | + break; |
|
| 278 | + case 'image/x-xbitmap': |
|
| 279 | + $imageType = IMAGETYPE_XBM; |
|
| 280 | + break; |
|
| 281 | + case 'image/bmp': |
|
| 282 | + case 'image/x-ms-bmp': |
|
| 283 | + $imageType = IMAGETYPE_BMP; |
|
| 284 | + break; |
|
| 285 | + default: |
|
| 286 | + throw new Exception('\OC_Image::_output(): "' . $mimeType . '" is not supported when forcing a specific output format'); |
|
| 287 | + } |
|
| 288 | + } |
|
| 289 | + |
|
| 290 | + switch ($imageType) { |
|
| 291 | + case IMAGETYPE_GIF: |
|
| 292 | + $retVal = imagegif($this->resource, $filePath); |
|
| 293 | + break; |
|
| 294 | + case IMAGETYPE_JPEG: |
|
| 295 | + $retVal = imagejpeg($this->resource, $filePath, $this->getJpegQuality()); |
|
| 296 | + break; |
|
| 297 | + case IMAGETYPE_PNG: |
|
| 298 | + $retVal = imagepng($this->resource, $filePath); |
|
| 299 | + break; |
|
| 300 | + case IMAGETYPE_XBM: |
|
| 301 | + if (function_exists('imagexbm')) { |
|
| 302 | + $retVal = imagexbm($this->resource, $filePath); |
|
| 303 | + } else { |
|
| 304 | + throw new Exception('\OC_Image::_output(): imagexbm() is not supported.'); |
|
| 305 | + } |
|
| 306 | + |
|
| 307 | + break; |
|
| 308 | + case IMAGETYPE_WBMP: |
|
| 309 | + $retVal = imagewbmp($this->resource, $filePath); |
|
| 310 | + break; |
|
| 311 | + case IMAGETYPE_BMP: |
|
| 312 | + $retVal = imagebmp($this->resource, $filePath, $this->bitDepth); |
|
| 313 | + break; |
|
| 314 | + default: |
|
| 315 | + $retVal = imagepng($this->resource, $filePath); |
|
| 316 | + } |
|
| 317 | + return $retVal; |
|
| 318 | + } |
|
| 319 | + |
|
| 320 | + /** |
|
| 321 | + * Prints the image when called as $image(). |
|
| 322 | + */ |
|
| 323 | + public function __invoke() { |
|
| 324 | + return $this->show(); |
|
| 325 | + } |
|
| 326 | + |
|
| 327 | + /** |
|
| 328 | + * @param resource|\GdImage $resource |
|
| 329 | + * @throws \InvalidArgumentException in case the supplied resource does not have the type "gd" |
|
| 330 | + */ |
|
| 331 | + public function setResource($resource) { |
|
| 332 | + // For PHP<8 |
|
| 333 | + if (is_resource($resource) && get_resource_type($resource) === 'gd') { |
|
| 334 | + $this->resource = $resource; |
|
| 335 | + return; |
|
| 336 | + } |
|
| 337 | + // PHP 8 has real objects for GD stuff |
|
| 338 | + if (is_object($resource) && get_class($resource) === \GdImage::class) { |
|
| 339 | + $this->resource = $resource; |
|
| 340 | + return; |
|
| 341 | + } |
|
| 342 | + throw new \InvalidArgumentException('Supplied resource is not of type "gd".'); |
|
| 343 | + } |
|
| 344 | + |
|
| 345 | + /** |
|
| 346 | + * @return false|resource|\GdImage Returns the image resource if any |
|
| 347 | + */ |
|
| 348 | + public function resource() { |
|
| 349 | + return $this->resource; |
|
| 350 | + } |
|
| 351 | + |
|
| 352 | + /** |
|
| 353 | + * @return string Returns the mimetype of the data. Returns the empty string |
|
| 354 | + * if the data is not valid. |
|
| 355 | + */ |
|
| 356 | + public function dataMimeType() { |
|
| 357 | + if (!$this->valid()) { |
|
| 358 | + return ''; |
|
| 359 | + } |
|
| 360 | + |
|
| 361 | + switch ($this->mimeType) { |
|
| 362 | + case 'image/png': |
|
| 363 | + case 'image/jpeg': |
|
| 364 | + case 'image/gif': |
|
| 365 | + return $this->mimeType; |
|
| 366 | + default: |
|
| 367 | + return 'image/png'; |
|
| 368 | + } |
|
| 369 | + } |
|
| 370 | + |
|
| 371 | + /** |
|
| 372 | + * @return null|string Returns the raw image data. |
|
| 373 | + */ |
|
| 374 | + public function data() { |
|
| 375 | + if (!$this->valid()) { |
|
| 376 | + return null; |
|
| 377 | + } |
|
| 378 | + ob_start(); |
|
| 379 | + switch ($this->mimeType) { |
|
| 380 | + case "image/png": |
|
| 381 | + $res = imagepng($this->resource); |
|
| 382 | + break; |
|
| 383 | + case "image/jpeg": |
|
| 384 | + $quality = $this->getJpegQuality(); |
|
| 385 | + if ($quality !== null) { |
|
| 386 | + $res = imagejpeg($this->resource, null, $quality); |
|
| 387 | + } else { |
|
| 388 | + $res = imagejpeg($this->resource); |
|
| 389 | + } |
|
| 390 | + break; |
|
| 391 | + case "image/gif": |
|
| 392 | + $res = imagegif($this->resource); |
|
| 393 | + break; |
|
| 394 | + default: |
|
| 395 | + $res = imagepng($this->resource); |
|
| 396 | + $this->logger->info('OC_Image->data. Could not guess mime-type, defaulting to png', ['app' => 'core']); |
|
| 397 | + break; |
|
| 398 | + } |
|
| 399 | + if (!$res) { |
|
| 400 | + $this->logger->error('OC_Image->data. Error getting image data.', ['app' => 'core']); |
|
| 401 | + } |
|
| 402 | + return ob_get_clean(); |
|
| 403 | + } |
|
| 404 | + |
|
| 405 | + /** |
|
| 406 | + * @return string - base64 encoded, which is suitable for embedding in a VCard. |
|
| 407 | + */ |
|
| 408 | + public function __toString() { |
|
| 409 | + return base64_encode($this->data()); |
|
| 410 | + } |
|
| 411 | + |
|
| 412 | + /** |
|
| 413 | + * @return int|null |
|
| 414 | + */ |
|
| 415 | + protected function getJpegQuality() { |
|
| 416 | + $quality = $this->config->getAppValue('preview', 'jpeg_quality', 90); |
|
| 417 | + if ($quality !== null) { |
|
| 418 | + $quality = min(100, max(10, (int) $quality)); |
|
| 419 | + } |
|
| 420 | + return $quality; |
|
| 421 | + } |
|
| 422 | + |
|
| 423 | + /** |
|
| 424 | + * (I'm open for suggestions on better method name ;) |
|
| 425 | + * Get the orientation based on EXIF data. |
|
| 426 | + * |
|
| 427 | + * @return int The orientation or -1 if no EXIF data is available. |
|
| 428 | + */ |
|
| 429 | + public function getOrientation() { |
|
| 430 | + if ($this->exif !== null) { |
|
| 431 | + return $this->exif['Orientation']; |
|
| 432 | + } |
|
| 433 | + |
|
| 434 | + if ($this->imageType !== IMAGETYPE_JPEG) { |
|
| 435 | + $this->logger->debug('OC_Image->fixOrientation() Image is not a JPEG.', ['app' => 'core']); |
|
| 436 | + return -1; |
|
| 437 | + } |
|
| 438 | + if (!is_callable('exif_read_data')) { |
|
| 439 | + $this->logger->debug('OC_Image->fixOrientation() Exif module not enabled.', ['app' => 'core']); |
|
| 440 | + return -1; |
|
| 441 | + } |
|
| 442 | + if (!$this->valid()) { |
|
| 443 | + $this->logger->debug('OC_Image->fixOrientation() No image loaded.', ['app' => 'core']); |
|
| 444 | + return -1; |
|
| 445 | + } |
|
| 446 | + if (is_null($this->filePath) || !is_readable($this->filePath)) { |
|
| 447 | + $this->logger->debug('OC_Image->fixOrientation() No readable file path set.', ['app' => 'core']); |
|
| 448 | + return -1; |
|
| 449 | + } |
|
| 450 | + $exif = @exif_read_data($this->filePath, 'IFD0'); |
|
| 451 | + if (!$exif) { |
|
| 452 | + return -1; |
|
| 453 | + } |
|
| 454 | + if (!isset($exif['Orientation'])) { |
|
| 455 | + return -1; |
|
| 456 | + } |
|
| 457 | + $this->exif = $exif; |
|
| 458 | + return $exif['Orientation']; |
|
| 459 | + } |
|
| 460 | + |
|
| 461 | + public function readExif($data) { |
|
| 462 | + if (!is_callable('exif_read_data')) { |
|
| 463 | + $this->logger->debug('OC_Image->fixOrientation() Exif module not enabled.', ['app' => 'core']); |
|
| 464 | + return; |
|
| 465 | + } |
|
| 466 | + if (!$this->valid()) { |
|
| 467 | + $this->logger->debug('OC_Image->fixOrientation() No image loaded.', ['app' => 'core']); |
|
| 468 | + return; |
|
| 469 | + } |
|
| 470 | + |
|
| 471 | + $exif = @exif_read_data('data://image/jpeg;base64,' . base64_encode($data)); |
|
| 472 | + if (!$exif) { |
|
| 473 | + return; |
|
| 474 | + } |
|
| 475 | + if (!isset($exif['Orientation'])) { |
|
| 476 | + return; |
|
| 477 | + } |
|
| 478 | + $this->exif = $exif; |
|
| 479 | + } |
|
| 480 | + |
|
| 481 | + /** |
|
| 482 | + * (I'm open for suggestions on better method name ;) |
|
| 483 | + * Fixes orientation based on EXIF data. |
|
| 484 | + * |
|
| 485 | + * @return bool |
|
| 486 | + */ |
|
| 487 | + public function fixOrientation() { |
|
| 488 | + if (!$this->valid()) { |
|
| 489 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 490 | + return false; |
|
| 491 | + } |
|
| 492 | + $o = $this->getOrientation(); |
|
| 493 | + $this->logger->debug('OC_Image->fixOrientation() Orientation: ' . $o, ['app' => 'core']); |
|
| 494 | + $rotate = 0; |
|
| 495 | + $flip = false; |
|
| 496 | + switch ($o) { |
|
| 497 | + case -1: |
|
| 498 | + return false; //Nothing to fix |
|
| 499 | + case 1: |
|
| 500 | + $rotate = 0; |
|
| 501 | + break; |
|
| 502 | + case 2: |
|
| 503 | + $rotate = 0; |
|
| 504 | + $flip = true; |
|
| 505 | + break; |
|
| 506 | + case 3: |
|
| 507 | + $rotate = 180; |
|
| 508 | + break; |
|
| 509 | + case 4: |
|
| 510 | + $rotate = 180; |
|
| 511 | + $flip = true; |
|
| 512 | + break; |
|
| 513 | + case 5: |
|
| 514 | + $rotate = 90; |
|
| 515 | + $flip = true; |
|
| 516 | + break; |
|
| 517 | + case 6: |
|
| 518 | + $rotate = 270; |
|
| 519 | + break; |
|
| 520 | + case 7: |
|
| 521 | + $rotate = 270; |
|
| 522 | + $flip = true; |
|
| 523 | + break; |
|
| 524 | + case 8: |
|
| 525 | + $rotate = 90; |
|
| 526 | + break; |
|
| 527 | + } |
|
| 528 | + if ($flip && function_exists('imageflip')) { |
|
| 529 | + imageflip($this->resource, IMG_FLIP_HORIZONTAL); |
|
| 530 | + } |
|
| 531 | + if ($rotate) { |
|
| 532 | + $res = imagerotate($this->resource, $rotate, 0); |
|
| 533 | + if ($res) { |
|
| 534 | + if (imagealphablending($res, true)) { |
|
| 535 | + if (imagesavealpha($res, true)) { |
|
| 536 | + imagedestroy($this->resource); |
|
| 537 | + $this->resource = $res; |
|
| 538 | + return true; |
|
| 539 | + } else { |
|
| 540 | + $this->logger->debug('OC_Image->fixOrientation() Error during alpha-saving', ['app' => 'core']); |
|
| 541 | + return false; |
|
| 542 | + } |
|
| 543 | + } else { |
|
| 544 | + $this->logger->debug('OC_Image->fixOrientation() Error during alpha-blending', ['app' => 'core']); |
|
| 545 | + return false; |
|
| 546 | + } |
|
| 547 | + } else { |
|
| 548 | + $this->logger->debug('OC_Image->fixOrientation() Error during orientation fixing', ['app' => 'core']); |
|
| 549 | + return false; |
|
| 550 | + } |
|
| 551 | + } |
|
| 552 | + return false; |
|
| 553 | + } |
|
| 554 | + |
|
| 555 | + /** |
|
| 556 | + * Loads an image from an open file handle. |
|
| 557 | + * It is the responsibility of the caller to position the pointer at the correct place and to close the handle again. |
|
| 558 | + * |
|
| 559 | + * @param resource $handle |
|
| 560 | + * @return resource|\GdImage|false An image resource or false on error |
|
| 561 | + */ |
|
| 562 | + public function loadFromFileHandle($handle) { |
|
| 563 | + $contents = stream_get_contents($handle); |
|
| 564 | + if ($this->loadFromData($contents)) { |
|
| 565 | + return $this->resource; |
|
| 566 | + } |
|
| 567 | + return false; |
|
| 568 | + } |
|
| 569 | + |
|
| 570 | + /** |
|
| 571 | + * Check if allocating an image with the given size is allowed. |
|
| 572 | + * |
|
| 573 | + * @param int $width The image width. |
|
| 574 | + * @param int $height The image height. |
|
| 575 | + * @return bool true if allocating is allowed, false otherwise |
|
| 576 | + */ |
|
| 577 | + private function checkImageMemory($width, $height) { |
|
| 578 | + $memory_limit = $this->config->getSystemValueInt('preview_max_memory', self::DEFAULT_MEMORY_LIMIT); |
|
| 579 | + if ($memory_limit < 0) { |
|
| 580 | + // Not limited. |
|
| 581 | + return true; |
|
| 582 | + } |
|
| 583 | + |
|
| 584 | + // Assume 32 bits per pixel. |
|
| 585 | + if ($width * $height * 4 > $memory_limit * 1024 * 1024) { |
|
| 586 | + $this->logger->debug('Image size of ' . $width . 'x' . $height . ' would exceed allowed memory limit of ' . $memory_limit); |
|
| 587 | + return false; |
|
| 588 | + } |
|
| 589 | + |
|
| 590 | + return true; |
|
| 591 | + } |
|
| 592 | + |
|
| 593 | + /** |
|
| 594 | + * Check if loading an image file from the given path is allowed. |
|
| 595 | + * |
|
| 596 | + * @param string $path The path to a local file. |
|
| 597 | + * @return bool true if allocating is allowed, false otherwise |
|
| 598 | + */ |
|
| 599 | + private function checkImageSize($path) { |
|
| 600 | + $size = getimagesize($path); |
|
| 601 | + if (!$size) { |
|
| 602 | + return true; |
|
| 603 | + } |
|
| 604 | + |
|
| 605 | + $width = $size[0]; |
|
| 606 | + $height = $size[1]; |
|
| 607 | + if (!$this->checkImageMemory($width, $height)) { |
|
| 608 | + return false; |
|
| 609 | + } |
|
| 610 | + |
|
| 611 | + return true; |
|
| 612 | + } |
|
| 613 | + |
|
| 614 | + /** |
|
| 615 | + * Check if loading an image from the given data is allowed. |
|
| 616 | + * |
|
| 617 | + * @param string $data A string of image data as read from a file. |
|
| 618 | + * @return bool true if allocating is allowed, false otherwise |
|
| 619 | + */ |
|
| 620 | + private function checkImageDataSize($data) { |
|
| 621 | + $size = getimagesizefromstring($data); |
|
| 622 | + if (!$size) { |
|
| 623 | + return true; |
|
| 624 | + } |
|
| 625 | + |
|
| 626 | + $width = $size[0]; |
|
| 627 | + $height = $size[1]; |
|
| 628 | + if (!$this->checkImageMemory($width, $height)) { |
|
| 629 | + return false; |
|
| 630 | + } |
|
| 631 | + |
|
| 632 | + return true; |
|
| 633 | + } |
|
| 634 | + |
|
| 635 | + /** |
|
| 636 | + * Loads an image from a local file. |
|
| 637 | + * |
|
| 638 | + * @param bool|string $imagePath The path to a local file. |
|
| 639 | + * @return bool|resource|\GdImage An image resource or false on error |
|
| 640 | + */ |
|
| 641 | + public function loadFromFile($imagePath = false) { |
|
| 642 | + // exif_imagetype throws "read error!" if file is less than 12 byte |
|
| 643 | + if (is_bool($imagePath) || !@is_file($imagePath) || !file_exists($imagePath) || filesize($imagePath) < 12 || !is_readable($imagePath)) { |
|
| 644 | + return false; |
|
| 645 | + } |
|
| 646 | + $iType = exif_imagetype($imagePath); |
|
| 647 | + switch ($iType) { |
|
| 648 | + case IMAGETYPE_GIF: |
|
| 649 | + if (imagetypes() & IMG_GIF) { |
|
| 650 | + if (!$this->checkImageSize($imagePath)) { |
|
| 651 | + return false; |
|
| 652 | + } |
|
| 653 | + $this->resource = imagecreatefromgif($imagePath); |
|
| 654 | + if ($this->resource) { |
|
| 655 | + // Preserve transparency |
|
| 656 | + imagealphablending($this->resource, true); |
|
| 657 | + imagesavealpha($this->resource, true); |
|
| 658 | + } else { |
|
| 659 | + $this->logger->debug('OC_Image->loadFromFile, GIF image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 660 | + } |
|
| 661 | + } else { |
|
| 662 | + $this->logger->debug('OC_Image->loadFromFile, GIF images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 663 | + } |
|
| 664 | + break; |
|
| 665 | + case IMAGETYPE_JPEG: |
|
| 666 | + if (imagetypes() & IMG_JPG) { |
|
| 667 | + if (!$this->checkImageSize($imagePath)) { |
|
| 668 | + return false; |
|
| 669 | + } |
|
| 670 | + if (getimagesize($imagePath) !== false) { |
|
| 671 | + $this->resource = @imagecreatefromjpeg($imagePath); |
|
| 672 | + } else { |
|
| 673 | + $this->logger->debug('OC_Image->loadFromFile, JPG image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 674 | + } |
|
| 675 | + } else { |
|
| 676 | + $this->logger->debug('OC_Image->loadFromFile, JPG images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 677 | + } |
|
| 678 | + break; |
|
| 679 | + case IMAGETYPE_PNG: |
|
| 680 | + if (imagetypes() & IMG_PNG) { |
|
| 681 | + if (!$this->checkImageSize($imagePath)) { |
|
| 682 | + return false; |
|
| 683 | + } |
|
| 684 | + $this->resource = @imagecreatefrompng($imagePath); |
|
| 685 | + if ($this->resource) { |
|
| 686 | + // Preserve transparency |
|
| 687 | + imagealphablending($this->resource, true); |
|
| 688 | + imagesavealpha($this->resource, true); |
|
| 689 | + } else { |
|
| 690 | + $this->logger->debug('OC_Image->loadFromFile, PNG image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 691 | + } |
|
| 692 | + } else { |
|
| 693 | + $this->logger->debug('OC_Image->loadFromFile, PNG images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 694 | + } |
|
| 695 | + break; |
|
| 696 | + case IMAGETYPE_XBM: |
|
| 697 | + if (imagetypes() & IMG_XPM) { |
|
| 698 | + if (!$this->checkImageSize($imagePath)) { |
|
| 699 | + return false; |
|
| 700 | + } |
|
| 701 | + $this->resource = @imagecreatefromxbm($imagePath); |
|
| 702 | + } else { |
|
| 703 | + $this->logger->debug('OC_Image->loadFromFile, XBM/XPM images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 704 | + } |
|
| 705 | + break; |
|
| 706 | + case IMAGETYPE_WBMP: |
|
| 707 | + if (imagetypes() & IMG_WBMP) { |
|
| 708 | + if (!$this->checkImageSize($imagePath)) { |
|
| 709 | + return false; |
|
| 710 | + } |
|
| 711 | + $this->resource = @imagecreatefromwbmp($imagePath); |
|
| 712 | + } else { |
|
| 713 | + $this->logger->debug('OC_Image->loadFromFile, WBMP images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 714 | + } |
|
| 715 | + break; |
|
| 716 | + case IMAGETYPE_BMP: |
|
| 717 | + $this->resource = $this->imagecreatefrombmp($imagePath); |
|
| 718 | + break; |
|
| 719 | + case IMAGETYPE_WEBP: |
|
| 720 | + if (imagetypes() & IMG_WEBP) { |
|
| 721 | + if (!$this->checkImageSize($imagePath)) { |
|
| 722 | + return false; |
|
| 723 | + } |
|
| 724 | + $this->resource = @imagecreatefromwebp($imagePath); |
|
| 725 | + } else { |
|
| 726 | + $this->logger->debug('OC_Image->loadFromFile, webp images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 727 | + } |
|
| 728 | + break; |
|
| 729 | + /* |
|
| 730 | 730 | case IMAGETYPE_TIFF_II: // (intel byte order) |
| 731 | 731 | break; |
| 732 | 732 | case IMAGETYPE_TIFF_MM: // (motorola byte order) |
@@ -750,687 +750,687 @@ discard block |
||
| 750 | 750 | case IMAGETYPE_PSD: |
| 751 | 751 | break; |
| 752 | 752 | */ |
| 753 | - default: |
|
| 754 | - |
|
| 755 | - // this is mostly file created from encrypted file |
|
| 756 | - $data = file_get_contents($imagePath); |
|
| 757 | - if (!$this->checkImageDataSize($data)) { |
|
| 758 | - return false; |
|
| 759 | - } |
|
| 760 | - $this->resource = imagecreatefromstring($data); |
|
| 761 | - $iType = IMAGETYPE_PNG; |
|
| 762 | - $this->logger->debug('OC_Image->loadFromFile, Default', ['app' => 'core']); |
|
| 763 | - break; |
|
| 764 | - } |
|
| 765 | - if ($this->valid()) { |
|
| 766 | - $this->imageType = $iType; |
|
| 767 | - $this->mimeType = image_type_to_mime_type($iType); |
|
| 768 | - $this->filePath = $imagePath; |
|
| 769 | - } |
|
| 770 | - return $this->resource; |
|
| 771 | - } |
|
| 772 | - |
|
| 773 | - /** |
|
| 774 | - * Loads an image from a string of data. |
|
| 775 | - * |
|
| 776 | - * @param string $str A string of image data as read from a file. |
|
| 777 | - * @return bool|resource|\GdImage An image resource or false on error |
|
| 778 | - */ |
|
| 779 | - public function loadFromData($str) { |
|
| 780 | - if (!is_string($str)) { |
|
| 781 | - return false; |
|
| 782 | - } |
|
| 783 | - if (!$this->checkImageDataSize($str)) { |
|
| 784 | - return false; |
|
| 785 | - } |
|
| 786 | - $this->resource = @imagecreatefromstring($str); |
|
| 787 | - if ($this->fileInfo) { |
|
| 788 | - $this->mimeType = $this->fileInfo->buffer($str); |
|
| 789 | - } |
|
| 790 | - if ($this->valid()) { |
|
| 791 | - imagealphablending($this->resource, false); |
|
| 792 | - imagesavealpha($this->resource, true); |
|
| 793 | - } |
|
| 794 | - |
|
| 795 | - if (!$this->resource) { |
|
| 796 | - $this->logger->debug('OC_Image->loadFromFile, could not load', ['app' => 'core']); |
|
| 797 | - return false; |
|
| 798 | - } |
|
| 799 | - return $this->resource; |
|
| 800 | - } |
|
| 801 | - |
|
| 802 | - /** |
|
| 803 | - * Loads an image from a base64 encoded string. |
|
| 804 | - * |
|
| 805 | - * @param string $str A string base64 encoded string of image data. |
|
| 806 | - * @return bool|resource|\GdImage An image resource or false on error |
|
| 807 | - */ |
|
| 808 | - public function loadFromBase64($str) { |
|
| 809 | - if (!is_string($str)) { |
|
| 810 | - return false; |
|
| 811 | - } |
|
| 812 | - $data = base64_decode($str); |
|
| 813 | - if ($data) { // try to load from string data |
|
| 814 | - if (!$this->checkImageDataSize($data)) { |
|
| 815 | - return false; |
|
| 816 | - } |
|
| 817 | - $this->resource = @imagecreatefromstring($data); |
|
| 818 | - if ($this->fileInfo) { |
|
| 819 | - $this->mimeType = $this->fileInfo->buffer($data); |
|
| 820 | - } |
|
| 821 | - if (!$this->resource) { |
|
| 822 | - $this->logger->debug('OC_Image->loadFromBase64, could not load', ['app' => 'core']); |
|
| 823 | - return false; |
|
| 824 | - } |
|
| 825 | - return $this->resource; |
|
| 826 | - } else { |
|
| 827 | - return false; |
|
| 828 | - } |
|
| 829 | - } |
|
| 830 | - |
|
| 831 | - /** |
|
| 832 | - * Create a new image from file or URL |
|
| 833 | - * |
|
| 834 | - * @link http://www.programmierer-forum.de/function-imagecreatefrombmp-laeuft-mit-allen-bitraten-t143137.htm |
|
| 835 | - * @version 1.00 |
|
| 836 | - * @param string $fileName <p> |
|
| 837 | - * Path to the BMP image. |
|
| 838 | - * </p> |
|
| 839 | - * @return bool|resource|\GdImage an image resource identifier on success, <b>FALSE</b> on errors. |
|
| 840 | - */ |
|
| 841 | - private function imagecreatefrombmp($fileName) { |
|
| 842 | - if (!($fh = fopen($fileName, 'rb'))) { |
|
| 843 | - $this->logger->warning('imagecreatefrombmp: Can not open ' . $fileName, ['app' => 'core']); |
|
| 844 | - return false; |
|
| 845 | - } |
|
| 846 | - // read file header |
|
| 847 | - $meta = unpack('vtype/Vfilesize/Vreserved/Voffset', fread($fh, 14)); |
|
| 848 | - // check for bitmap |
|
| 849 | - if ($meta['type'] != 19778) { |
|
| 850 | - fclose($fh); |
|
| 851 | - $this->logger->warning('imagecreatefrombmp: Can not open ' . $fileName . ' is not a bitmap!', ['app' => 'core']); |
|
| 852 | - return false; |
|
| 853 | - } |
|
| 854 | - // read image header |
|
| 855 | - $meta += unpack('Vheadersize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vcolors/Vimportant', fread($fh, 40)); |
|
| 856 | - // read additional 16bit header |
|
| 857 | - if ($meta['bits'] == 16) { |
|
| 858 | - $meta += unpack('VrMask/VgMask/VbMask', fread($fh, 12)); |
|
| 859 | - } |
|
| 860 | - // set bytes and padding |
|
| 861 | - $meta['bytes'] = $meta['bits'] / 8; |
|
| 862 | - $this->bitDepth = $meta['bits']; //remember the bit depth for the imagebmp call |
|
| 863 | - $meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4) - floor($meta['width'] * $meta['bytes'] / 4))); |
|
| 864 | - if ($meta['decal'] == 4) { |
|
| 865 | - $meta['decal'] = 0; |
|
| 866 | - } |
|
| 867 | - // obtain imagesize |
|
| 868 | - if ($meta['imagesize'] < 1) { |
|
| 869 | - $meta['imagesize'] = $meta['filesize'] - $meta['offset']; |
|
| 870 | - // in rare cases filesize is equal to offset so we need to read physical size |
|
| 871 | - if ($meta['imagesize'] < 1) { |
|
| 872 | - $meta['imagesize'] = @filesize($fileName) - $meta['offset']; |
|
| 873 | - if ($meta['imagesize'] < 1) { |
|
| 874 | - fclose($fh); |
|
| 875 | - $this->logger->warning('imagecreatefrombmp: Can not obtain file size of ' . $fileName . ' is not a bitmap!', ['app' => 'core']); |
|
| 876 | - return false; |
|
| 877 | - } |
|
| 878 | - } |
|
| 879 | - } |
|
| 880 | - // calculate colors |
|
| 881 | - $meta['colors'] = !$meta['colors'] ? pow(2, $meta['bits']) : $meta['colors']; |
|
| 882 | - // read color palette |
|
| 883 | - $palette = []; |
|
| 884 | - if ($meta['bits'] < 16) { |
|
| 885 | - $palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4)); |
|
| 886 | - // in rare cases the color value is signed |
|
| 887 | - if ($palette[1] < 0) { |
|
| 888 | - foreach ($palette as $i => $color) { |
|
| 889 | - $palette[$i] = $color + 16777216; |
|
| 890 | - } |
|
| 891 | - } |
|
| 892 | - } |
|
| 893 | - if (!$this->checkImageMemory($meta['width'], $meta['height'])) { |
|
| 894 | - fclose($fh); |
|
| 895 | - return false; |
|
| 896 | - } |
|
| 897 | - // create gd image |
|
| 898 | - $im = imagecreatetruecolor($meta['width'], $meta['height']); |
|
| 899 | - if ($im == false) { |
|
| 900 | - fclose($fh); |
|
| 901 | - $this->logger->warning( |
|
| 902 | - 'imagecreatefrombmp: imagecreatetruecolor failed for file "' . $fileName . '" with dimensions ' . $meta['width'] . 'x' . $meta['height'], |
|
| 903 | - ['app' => 'core']); |
|
| 904 | - return false; |
|
| 905 | - } |
|
| 906 | - |
|
| 907 | - $data = fread($fh, $meta['imagesize']); |
|
| 908 | - $p = 0; |
|
| 909 | - $vide = chr(0); |
|
| 910 | - $y = $meta['height'] - 1; |
|
| 911 | - $error = 'imagecreatefrombmp: ' . $fileName . ' has not enough data!'; |
|
| 912 | - // loop through the image data beginning with the lower left corner |
|
| 913 | - while ($y >= 0) { |
|
| 914 | - $x = 0; |
|
| 915 | - while ($x < $meta['width']) { |
|
| 916 | - switch ($meta['bits']) { |
|
| 917 | - case 32: |
|
| 918 | - case 24: |
|
| 919 | - if (!($part = substr($data, $p, 3))) { |
|
| 920 | - $this->logger->warning($error, ['app' => 'core']); |
|
| 921 | - return $im; |
|
| 922 | - } |
|
| 923 | - $color = @unpack('V', $part . $vide); |
|
| 924 | - break; |
|
| 925 | - case 16: |
|
| 926 | - if (!($part = substr($data, $p, 2))) { |
|
| 927 | - fclose($fh); |
|
| 928 | - $this->logger->warning($error, ['app' => 'core']); |
|
| 929 | - return $im; |
|
| 930 | - } |
|
| 931 | - $color = @unpack('v', $part); |
|
| 932 | - $color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); |
|
| 933 | - break; |
|
| 934 | - case 8: |
|
| 935 | - $color = @unpack('n', $vide . ($data[$p] ?? '')); |
|
| 936 | - $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
|
| 937 | - break; |
|
| 938 | - case 4: |
|
| 939 | - $color = @unpack('n', $vide . ($data[floor($p)] ?? '')); |
|
| 940 | - $color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F; |
|
| 941 | - $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
|
| 942 | - break; |
|
| 943 | - case 1: |
|
| 944 | - $color = @unpack('n', $vide . ($data[floor($p)] ?? '')); |
|
| 945 | - switch (($p * 8) % 8) { |
|
| 946 | - case 0: |
|
| 947 | - $color[1] = $color[1] >> 7; |
|
| 948 | - break; |
|
| 949 | - case 1: |
|
| 950 | - $color[1] = ($color[1] & 0x40) >> 6; |
|
| 951 | - break; |
|
| 952 | - case 2: |
|
| 953 | - $color[1] = ($color[1] & 0x20) >> 5; |
|
| 954 | - break; |
|
| 955 | - case 3: |
|
| 956 | - $color[1] = ($color[1] & 0x10) >> 4; |
|
| 957 | - break; |
|
| 958 | - case 4: |
|
| 959 | - $color[1] = ($color[1] & 0x8) >> 3; |
|
| 960 | - break; |
|
| 961 | - case 5: |
|
| 962 | - $color[1] = ($color[1] & 0x4) >> 2; |
|
| 963 | - break; |
|
| 964 | - case 6: |
|
| 965 | - $color[1] = ($color[1] & 0x2) >> 1; |
|
| 966 | - break; |
|
| 967 | - case 7: |
|
| 968 | - $color[1] = ($color[1] & 0x1); |
|
| 969 | - break; |
|
| 970 | - } |
|
| 971 | - $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
|
| 972 | - break; |
|
| 973 | - default: |
|
| 974 | - fclose($fh); |
|
| 975 | - $this->logger->warning('imagecreatefrombmp: ' . $fileName . ' has ' . $meta['bits'] . ' bits and this is not supported!', ['app' => 'core']); |
|
| 976 | - return false; |
|
| 977 | - } |
|
| 978 | - imagesetpixel($im, $x, $y, $color[1]); |
|
| 979 | - $x++; |
|
| 980 | - $p += $meta['bytes']; |
|
| 981 | - } |
|
| 982 | - $y--; |
|
| 983 | - $p += $meta['decal']; |
|
| 984 | - } |
|
| 985 | - fclose($fh); |
|
| 986 | - return $im; |
|
| 987 | - } |
|
| 988 | - |
|
| 989 | - /** |
|
| 990 | - * Resizes the image preserving ratio. |
|
| 991 | - * |
|
| 992 | - * @param integer $maxSize The maximum size of either the width or height. |
|
| 993 | - * @return bool |
|
| 994 | - */ |
|
| 995 | - public function resize($maxSize) { |
|
| 996 | - if (!$this->valid()) { |
|
| 997 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 998 | - return false; |
|
| 999 | - } |
|
| 1000 | - $result = $this->resizeNew($maxSize); |
|
| 1001 | - imagedestroy($this->resource); |
|
| 1002 | - $this->resource = $result; |
|
| 1003 | - return $this->valid(); |
|
| 1004 | - } |
|
| 1005 | - |
|
| 1006 | - /** |
|
| 1007 | - * @param $maxSize |
|
| 1008 | - * @return resource|bool|\GdImage |
|
| 1009 | - */ |
|
| 1010 | - private function resizeNew($maxSize) { |
|
| 1011 | - if (!$this->valid()) { |
|
| 1012 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1013 | - return false; |
|
| 1014 | - } |
|
| 1015 | - $widthOrig = imagesx($this->resource); |
|
| 1016 | - $heightOrig = imagesy($this->resource); |
|
| 1017 | - $ratioOrig = $widthOrig / $heightOrig; |
|
| 1018 | - |
|
| 1019 | - if ($ratioOrig > 1) { |
|
| 1020 | - $newHeight = round($maxSize / $ratioOrig); |
|
| 1021 | - $newWidth = $maxSize; |
|
| 1022 | - } else { |
|
| 1023 | - $newWidth = round($maxSize * $ratioOrig); |
|
| 1024 | - $newHeight = $maxSize; |
|
| 1025 | - } |
|
| 1026 | - |
|
| 1027 | - return $this->preciseResizeNew((int)round($newWidth), (int)round($newHeight)); |
|
| 1028 | - } |
|
| 1029 | - |
|
| 1030 | - /** |
|
| 1031 | - * @param int $width |
|
| 1032 | - * @param int $height |
|
| 1033 | - * @return bool |
|
| 1034 | - */ |
|
| 1035 | - public function preciseResize(int $width, int $height): bool { |
|
| 1036 | - if (!$this->valid()) { |
|
| 1037 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1038 | - return false; |
|
| 1039 | - } |
|
| 1040 | - $result = $this->preciseResizeNew($width, $height); |
|
| 1041 | - imagedestroy($this->resource); |
|
| 1042 | - $this->resource = $result; |
|
| 1043 | - return $this->valid(); |
|
| 1044 | - } |
|
| 1045 | - |
|
| 1046 | - |
|
| 1047 | - /** |
|
| 1048 | - * @param int $width |
|
| 1049 | - * @param int $height |
|
| 1050 | - * @return resource|bool|\GdImage |
|
| 1051 | - */ |
|
| 1052 | - public function preciseResizeNew(int $width, int $height) { |
|
| 1053 | - if (!($width > 0) || !($height > 0)) { |
|
| 1054 | - $this->logger->info(__METHOD__ . '(): Requested image size not bigger than 0', ['app' => 'core']); |
|
| 1055 | - return false; |
|
| 1056 | - } |
|
| 1057 | - if (!$this->valid()) { |
|
| 1058 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1059 | - return false; |
|
| 1060 | - } |
|
| 1061 | - $widthOrig = imagesx($this->resource); |
|
| 1062 | - $heightOrig = imagesy($this->resource); |
|
| 1063 | - $process = imagecreatetruecolor($width, $height); |
|
| 1064 | - if ($process === false) { |
|
| 1065 | - $this->logger->error(__METHOD__ . '(): Error creating true color image', ['app' => 'core']); |
|
| 1066 | - return false; |
|
| 1067 | - } |
|
| 1068 | - |
|
| 1069 | - // preserve transparency |
|
| 1070 | - if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { |
|
| 1071 | - imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); |
|
| 1072 | - imagealphablending($process, false); |
|
| 1073 | - imagesavealpha($process, true); |
|
| 1074 | - } |
|
| 1075 | - |
|
| 1076 | - $res = imagecopyresampled($process, $this->resource, 0, 0, 0, 0, $width, $height, $widthOrig, $heightOrig); |
|
| 1077 | - if ($res === false) { |
|
| 1078 | - $this->logger->error(__METHOD__ . '(): Error re-sampling process image', ['app' => 'core']); |
|
| 1079 | - imagedestroy($process); |
|
| 1080 | - return false; |
|
| 1081 | - } |
|
| 1082 | - return $process; |
|
| 1083 | - } |
|
| 1084 | - |
|
| 1085 | - /** |
|
| 1086 | - * Crops the image to the middle square. If the image is already square it just returns. |
|
| 1087 | - * |
|
| 1088 | - * @param int $size maximum size for the result (optional) |
|
| 1089 | - * @return bool for success or failure |
|
| 1090 | - */ |
|
| 1091 | - public function centerCrop($size = 0) { |
|
| 1092 | - if (!$this->valid()) { |
|
| 1093 | - $this->logger->error('OC_Image->centerCrop, No image loaded', ['app' => 'core']); |
|
| 1094 | - return false; |
|
| 1095 | - } |
|
| 1096 | - $widthOrig = imagesx($this->resource); |
|
| 1097 | - $heightOrig = imagesy($this->resource); |
|
| 1098 | - if ($widthOrig === $heightOrig and $size == 0) { |
|
| 1099 | - return true; |
|
| 1100 | - } |
|
| 1101 | - $ratioOrig = $widthOrig / $heightOrig; |
|
| 1102 | - $width = $height = min($widthOrig, $heightOrig); |
|
| 1103 | - |
|
| 1104 | - if ($ratioOrig > 1) { |
|
| 1105 | - $x = ($widthOrig / 2) - ($width / 2); |
|
| 1106 | - $y = 0; |
|
| 1107 | - } else { |
|
| 1108 | - $y = ($heightOrig / 2) - ($height / 2); |
|
| 1109 | - $x = 0; |
|
| 1110 | - } |
|
| 1111 | - if ($size > 0) { |
|
| 1112 | - $targetWidth = $size; |
|
| 1113 | - $targetHeight = $size; |
|
| 1114 | - } else { |
|
| 1115 | - $targetWidth = $width; |
|
| 1116 | - $targetHeight = $height; |
|
| 1117 | - } |
|
| 1118 | - $process = imagecreatetruecolor($targetWidth, $targetHeight); |
|
| 1119 | - if ($process === false) { |
|
| 1120 | - $this->logger->error('OC_Image->centerCrop, Error creating true color image', ['app' => 'core']); |
|
| 1121 | - return false; |
|
| 1122 | - } |
|
| 1123 | - |
|
| 1124 | - // preserve transparency |
|
| 1125 | - if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { |
|
| 1126 | - imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); |
|
| 1127 | - imagealphablending($process, false); |
|
| 1128 | - imagesavealpha($process, true); |
|
| 1129 | - } |
|
| 1130 | - |
|
| 1131 | - imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $targetWidth, $targetHeight, $width, $height); |
|
| 1132 | - if ($process === false) { |
|
| 1133 | - $this->logger->error('OC_Image->centerCrop, Error re-sampling process image ' . $width . 'x' . $height, ['app' => 'core']); |
|
| 1134 | - return false; |
|
| 1135 | - } |
|
| 1136 | - imagedestroy($this->resource); |
|
| 1137 | - $this->resource = $process; |
|
| 1138 | - return true; |
|
| 1139 | - } |
|
| 1140 | - |
|
| 1141 | - /** |
|
| 1142 | - * Crops the image from point $x$y with dimension $wx$h. |
|
| 1143 | - * |
|
| 1144 | - * @param int $x Horizontal position |
|
| 1145 | - * @param int $y Vertical position |
|
| 1146 | - * @param int $w Width |
|
| 1147 | - * @param int $h Height |
|
| 1148 | - * @return bool for success or failure |
|
| 1149 | - */ |
|
| 1150 | - public function crop(int $x, int $y, int $w, int $h): bool { |
|
| 1151 | - if (!$this->valid()) { |
|
| 1152 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1153 | - return false; |
|
| 1154 | - } |
|
| 1155 | - $result = $this->cropNew($x, $y, $w, $h); |
|
| 1156 | - imagedestroy($this->resource); |
|
| 1157 | - $this->resource = $result; |
|
| 1158 | - return $this->valid(); |
|
| 1159 | - } |
|
| 1160 | - |
|
| 1161 | - /** |
|
| 1162 | - * Crops the image from point $x$y with dimension $wx$h. |
|
| 1163 | - * |
|
| 1164 | - * @param int $x Horizontal position |
|
| 1165 | - * @param int $y Vertical position |
|
| 1166 | - * @param int $w Width |
|
| 1167 | - * @param int $h Height |
|
| 1168 | - * @return resource|\GdImage|false |
|
| 1169 | - */ |
|
| 1170 | - public function cropNew(int $x, int $y, int $w, int $h) { |
|
| 1171 | - if (!$this->valid()) { |
|
| 1172 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1173 | - return false; |
|
| 1174 | - } |
|
| 1175 | - $process = imagecreatetruecolor($w, $h); |
|
| 1176 | - if ($process === false) { |
|
| 1177 | - $this->logger->error(__METHOD__ . '(): Error creating true color image', ['app' => 'core']); |
|
| 1178 | - return false; |
|
| 1179 | - } |
|
| 1180 | - |
|
| 1181 | - // preserve transparency |
|
| 1182 | - if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { |
|
| 1183 | - imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); |
|
| 1184 | - imagealphablending($process, false); |
|
| 1185 | - imagesavealpha($process, true); |
|
| 1186 | - } |
|
| 1187 | - |
|
| 1188 | - imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $w, $h, $w, $h); |
|
| 1189 | - if ($process === false) { |
|
| 1190 | - $this->logger->error(__METHOD__ . '(): Error re-sampling process image ' . $w . 'x' . $h, ['app' => 'core']); |
|
| 1191 | - return false; |
|
| 1192 | - } |
|
| 1193 | - return $process; |
|
| 1194 | - } |
|
| 1195 | - |
|
| 1196 | - /** |
|
| 1197 | - * Resizes the image to fit within a boundary while preserving ratio. |
|
| 1198 | - * |
|
| 1199 | - * Warning: Images smaller than $maxWidth x $maxHeight will end up being scaled up |
|
| 1200 | - * |
|
| 1201 | - * @param integer $maxWidth |
|
| 1202 | - * @param integer $maxHeight |
|
| 1203 | - * @return bool |
|
| 1204 | - */ |
|
| 1205 | - public function fitIn($maxWidth, $maxHeight) { |
|
| 1206 | - if (!$this->valid()) { |
|
| 1207 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1208 | - return false; |
|
| 1209 | - } |
|
| 1210 | - $widthOrig = imagesx($this->resource); |
|
| 1211 | - $heightOrig = imagesy($this->resource); |
|
| 1212 | - $ratio = $widthOrig / $heightOrig; |
|
| 1213 | - |
|
| 1214 | - $newWidth = min($maxWidth, $ratio * $maxHeight); |
|
| 1215 | - $newHeight = min($maxHeight, $maxWidth / $ratio); |
|
| 1216 | - |
|
| 1217 | - $this->preciseResize((int)round($newWidth), (int)round($newHeight)); |
|
| 1218 | - return true; |
|
| 1219 | - } |
|
| 1220 | - |
|
| 1221 | - /** |
|
| 1222 | - * Shrinks larger images to fit within specified boundaries while preserving ratio. |
|
| 1223 | - * |
|
| 1224 | - * @param integer $maxWidth |
|
| 1225 | - * @param integer $maxHeight |
|
| 1226 | - * @return bool |
|
| 1227 | - */ |
|
| 1228 | - public function scaleDownToFit($maxWidth, $maxHeight) { |
|
| 1229 | - if (!$this->valid()) { |
|
| 1230 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1231 | - return false; |
|
| 1232 | - } |
|
| 1233 | - $widthOrig = imagesx($this->resource); |
|
| 1234 | - $heightOrig = imagesy($this->resource); |
|
| 1235 | - |
|
| 1236 | - if ($widthOrig > $maxWidth || $heightOrig > $maxHeight) { |
|
| 1237 | - return $this->fitIn($maxWidth, $maxHeight); |
|
| 1238 | - } |
|
| 1239 | - |
|
| 1240 | - return false; |
|
| 1241 | - } |
|
| 1242 | - |
|
| 1243 | - public function copy(): IImage { |
|
| 1244 | - $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1245 | - $image->resource = imagecreatetruecolor($this->width(), $this->height()); |
|
| 1246 | - imagecopy( |
|
| 1247 | - $image->resource(), |
|
| 1248 | - $this->resource(), |
|
| 1249 | - 0, |
|
| 1250 | - 0, |
|
| 1251 | - 0, |
|
| 1252 | - 0, |
|
| 1253 | - $this->width(), |
|
| 1254 | - $this->height() |
|
| 1255 | - ); |
|
| 1256 | - |
|
| 1257 | - return $image; |
|
| 1258 | - } |
|
| 1259 | - |
|
| 1260 | - public function cropCopy(int $x, int $y, int $w, int $h): IImage { |
|
| 1261 | - $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1262 | - $image->imageType = $this->imageType; |
|
| 1263 | - $image->mimeType = $this->mimeType; |
|
| 1264 | - $image->bitDepth = $this->bitDepth; |
|
| 1265 | - $image->resource = $this->cropNew($x, $y, $w, $h); |
|
| 1266 | - |
|
| 1267 | - return $image; |
|
| 1268 | - } |
|
| 1269 | - |
|
| 1270 | - public function preciseResizeCopy(int $width, int $height): IImage { |
|
| 1271 | - $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1272 | - $image->imageType = $this->imageType; |
|
| 1273 | - $image->mimeType = $this->mimeType; |
|
| 1274 | - $image->bitDepth = $this->bitDepth; |
|
| 1275 | - $image->resource = $this->preciseResizeNew($width, $height); |
|
| 1276 | - |
|
| 1277 | - return $image; |
|
| 1278 | - } |
|
| 1279 | - |
|
| 1280 | - public function resizeCopy(int $maxSize): IImage { |
|
| 1281 | - $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1282 | - $image->imageType = $this->imageType; |
|
| 1283 | - $image->mimeType = $this->mimeType; |
|
| 1284 | - $image->bitDepth = $this->bitDepth; |
|
| 1285 | - $image->resource = $this->resizeNew($maxSize); |
|
| 1286 | - |
|
| 1287 | - return $image; |
|
| 1288 | - } |
|
| 1289 | - |
|
| 1290 | - /** |
|
| 1291 | - * Destroys the current image and resets the object |
|
| 1292 | - */ |
|
| 1293 | - public function destroy() { |
|
| 1294 | - if ($this->valid()) { |
|
| 1295 | - imagedestroy($this->resource); |
|
| 1296 | - } |
|
| 1297 | - $this->resource = false; |
|
| 1298 | - } |
|
| 1299 | - |
|
| 1300 | - public function __destruct() { |
|
| 1301 | - $this->destroy(); |
|
| 1302 | - } |
|
| 753 | + default: |
|
| 754 | + |
|
| 755 | + // this is mostly file created from encrypted file |
|
| 756 | + $data = file_get_contents($imagePath); |
|
| 757 | + if (!$this->checkImageDataSize($data)) { |
|
| 758 | + return false; |
|
| 759 | + } |
|
| 760 | + $this->resource = imagecreatefromstring($data); |
|
| 761 | + $iType = IMAGETYPE_PNG; |
|
| 762 | + $this->logger->debug('OC_Image->loadFromFile, Default', ['app' => 'core']); |
|
| 763 | + break; |
|
| 764 | + } |
|
| 765 | + if ($this->valid()) { |
|
| 766 | + $this->imageType = $iType; |
|
| 767 | + $this->mimeType = image_type_to_mime_type($iType); |
|
| 768 | + $this->filePath = $imagePath; |
|
| 769 | + } |
|
| 770 | + return $this->resource; |
|
| 771 | + } |
|
| 772 | + |
|
| 773 | + /** |
|
| 774 | + * Loads an image from a string of data. |
|
| 775 | + * |
|
| 776 | + * @param string $str A string of image data as read from a file. |
|
| 777 | + * @return bool|resource|\GdImage An image resource or false on error |
|
| 778 | + */ |
|
| 779 | + public function loadFromData($str) { |
|
| 780 | + if (!is_string($str)) { |
|
| 781 | + return false; |
|
| 782 | + } |
|
| 783 | + if (!$this->checkImageDataSize($str)) { |
|
| 784 | + return false; |
|
| 785 | + } |
|
| 786 | + $this->resource = @imagecreatefromstring($str); |
|
| 787 | + if ($this->fileInfo) { |
|
| 788 | + $this->mimeType = $this->fileInfo->buffer($str); |
|
| 789 | + } |
|
| 790 | + if ($this->valid()) { |
|
| 791 | + imagealphablending($this->resource, false); |
|
| 792 | + imagesavealpha($this->resource, true); |
|
| 793 | + } |
|
| 794 | + |
|
| 795 | + if (!$this->resource) { |
|
| 796 | + $this->logger->debug('OC_Image->loadFromFile, could not load', ['app' => 'core']); |
|
| 797 | + return false; |
|
| 798 | + } |
|
| 799 | + return $this->resource; |
|
| 800 | + } |
|
| 801 | + |
|
| 802 | + /** |
|
| 803 | + * Loads an image from a base64 encoded string. |
|
| 804 | + * |
|
| 805 | + * @param string $str A string base64 encoded string of image data. |
|
| 806 | + * @return bool|resource|\GdImage An image resource or false on error |
|
| 807 | + */ |
|
| 808 | + public function loadFromBase64($str) { |
|
| 809 | + if (!is_string($str)) { |
|
| 810 | + return false; |
|
| 811 | + } |
|
| 812 | + $data = base64_decode($str); |
|
| 813 | + if ($data) { // try to load from string data |
|
| 814 | + if (!$this->checkImageDataSize($data)) { |
|
| 815 | + return false; |
|
| 816 | + } |
|
| 817 | + $this->resource = @imagecreatefromstring($data); |
|
| 818 | + if ($this->fileInfo) { |
|
| 819 | + $this->mimeType = $this->fileInfo->buffer($data); |
|
| 820 | + } |
|
| 821 | + if (!$this->resource) { |
|
| 822 | + $this->logger->debug('OC_Image->loadFromBase64, could not load', ['app' => 'core']); |
|
| 823 | + return false; |
|
| 824 | + } |
|
| 825 | + return $this->resource; |
|
| 826 | + } else { |
|
| 827 | + return false; |
|
| 828 | + } |
|
| 829 | + } |
|
| 830 | + |
|
| 831 | + /** |
|
| 832 | + * Create a new image from file or URL |
|
| 833 | + * |
|
| 834 | + * @link http://www.programmierer-forum.de/function-imagecreatefrombmp-laeuft-mit-allen-bitraten-t143137.htm |
|
| 835 | + * @version 1.00 |
|
| 836 | + * @param string $fileName <p> |
|
| 837 | + * Path to the BMP image. |
|
| 838 | + * </p> |
|
| 839 | + * @return bool|resource|\GdImage an image resource identifier on success, <b>FALSE</b> on errors. |
|
| 840 | + */ |
|
| 841 | + private function imagecreatefrombmp($fileName) { |
|
| 842 | + if (!($fh = fopen($fileName, 'rb'))) { |
|
| 843 | + $this->logger->warning('imagecreatefrombmp: Can not open ' . $fileName, ['app' => 'core']); |
|
| 844 | + return false; |
|
| 845 | + } |
|
| 846 | + // read file header |
|
| 847 | + $meta = unpack('vtype/Vfilesize/Vreserved/Voffset', fread($fh, 14)); |
|
| 848 | + // check for bitmap |
|
| 849 | + if ($meta['type'] != 19778) { |
|
| 850 | + fclose($fh); |
|
| 851 | + $this->logger->warning('imagecreatefrombmp: Can not open ' . $fileName . ' is not a bitmap!', ['app' => 'core']); |
|
| 852 | + return false; |
|
| 853 | + } |
|
| 854 | + // read image header |
|
| 855 | + $meta += unpack('Vheadersize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vcolors/Vimportant', fread($fh, 40)); |
|
| 856 | + // read additional 16bit header |
|
| 857 | + if ($meta['bits'] == 16) { |
|
| 858 | + $meta += unpack('VrMask/VgMask/VbMask', fread($fh, 12)); |
|
| 859 | + } |
|
| 860 | + // set bytes and padding |
|
| 861 | + $meta['bytes'] = $meta['bits'] / 8; |
|
| 862 | + $this->bitDepth = $meta['bits']; //remember the bit depth for the imagebmp call |
|
| 863 | + $meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4) - floor($meta['width'] * $meta['bytes'] / 4))); |
|
| 864 | + if ($meta['decal'] == 4) { |
|
| 865 | + $meta['decal'] = 0; |
|
| 866 | + } |
|
| 867 | + // obtain imagesize |
|
| 868 | + if ($meta['imagesize'] < 1) { |
|
| 869 | + $meta['imagesize'] = $meta['filesize'] - $meta['offset']; |
|
| 870 | + // in rare cases filesize is equal to offset so we need to read physical size |
|
| 871 | + if ($meta['imagesize'] < 1) { |
|
| 872 | + $meta['imagesize'] = @filesize($fileName) - $meta['offset']; |
|
| 873 | + if ($meta['imagesize'] < 1) { |
|
| 874 | + fclose($fh); |
|
| 875 | + $this->logger->warning('imagecreatefrombmp: Can not obtain file size of ' . $fileName . ' is not a bitmap!', ['app' => 'core']); |
|
| 876 | + return false; |
|
| 877 | + } |
|
| 878 | + } |
|
| 879 | + } |
|
| 880 | + // calculate colors |
|
| 881 | + $meta['colors'] = !$meta['colors'] ? pow(2, $meta['bits']) : $meta['colors']; |
|
| 882 | + // read color palette |
|
| 883 | + $palette = []; |
|
| 884 | + if ($meta['bits'] < 16) { |
|
| 885 | + $palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4)); |
|
| 886 | + // in rare cases the color value is signed |
|
| 887 | + if ($palette[1] < 0) { |
|
| 888 | + foreach ($palette as $i => $color) { |
|
| 889 | + $palette[$i] = $color + 16777216; |
|
| 890 | + } |
|
| 891 | + } |
|
| 892 | + } |
|
| 893 | + if (!$this->checkImageMemory($meta['width'], $meta['height'])) { |
|
| 894 | + fclose($fh); |
|
| 895 | + return false; |
|
| 896 | + } |
|
| 897 | + // create gd image |
|
| 898 | + $im = imagecreatetruecolor($meta['width'], $meta['height']); |
|
| 899 | + if ($im == false) { |
|
| 900 | + fclose($fh); |
|
| 901 | + $this->logger->warning( |
|
| 902 | + 'imagecreatefrombmp: imagecreatetruecolor failed for file "' . $fileName . '" with dimensions ' . $meta['width'] . 'x' . $meta['height'], |
|
| 903 | + ['app' => 'core']); |
|
| 904 | + return false; |
|
| 905 | + } |
|
| 906 | + |
|
| 907 | + $data = fread($fh, $meta['imagesize']); |
|
| 908 | + $p = 0; |
|
| 909 | + $vide = chr(0); |
|
| 910 | + $y = $meta['height'] - 1; |
|
| 911 | + $error = 'imagecreatefrombmp: ' . $fileName . ' has not enough data!'; |
|
| 912 | + // loop through the image data beginning with the lower left corner |
|
| 913 | + while ($y >= 0) { |
|
| 914 | + $x = 0; |
|
| 915 | + while ($x < $meta['width']) { |
|
| 916 | + switch ($meta['bits']) { |
|
| 917 | + case 32: |
|
| 918 | + case 24: |
|
| 919 | + if (!($part = substr($data, $p, 3))) { |
|
| 920 | + $this->logger->warning($error, ['app' => 'core']); |
|
| 921 | + return $im; |
|
| 922 | + } |
|
| 923 | + $color = @unpack('V', $part . $vide); |
|
| 924 | + break; |
|
| 925 | + case 16: |
|
| 926 | + if (!($part = substr($data, $p, 2))) { |
|
| 927 | + fclose($fh); |
|
| 928 | + $this->logger->warning($error, ['app' => 'core']); |
|
| 929 | + return $im; |
|
| 930 | + } |
|
| 931 | + $color = @unpack('v', $part); |
|
| 932 | + $color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); |
|
| 933 | + break; |
|
| 934 | + case 8: |
|
| 935 | + $color = @unpack('n', $vide . ($data[$p] ?? '')); |
|
| 936 | + $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
|
| 937 | + break; |
|
| 938 | + case 4: |
|
| 939 | + $color = @unpack('n', $vide . ($data[floor($p)] ?? '')); |
|
| 940 | + $color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F; |
|
| 941 | + $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
|
| 942 | + break; |
|
| 943 | + case 1: |
|
| 944 | + $color = @unpack('n', $vide . ($data[floor($p)] ?? '')); |
|
| 945 | + switch (($p * 8) % 8) { |
|
| 946 | + case 0: |
|
| 947 | + $color[1] = $color[1] >> 7; |
|
| 948 | + break; |
|
| 949 | + case 1: |
|
| 950 | + $color[1] = ($color[1] & 0x40) >> 6; |
|
| 951 | + break; |
|
| 952 | + case 2: |
|
| 953 | + $color[1] = ($color[1] & 0x20) >> 5; |
|
| 954 | + break; |
|
| 955 | + case 3: |
|
| 956 | + $color[1] = ($color[1] & 0x10) >> 4; |
|
| 957 | + break; |
|
| 958 | + case 4: |
|
| 959 | + $color[1] = ($color[1] & 0x8) >> 3; |
|
| 960 | + break; |
|
| 961 | + case 5: |
|
| 962 | + $color[1] = ($color[1] & 0x4) >> 2; |
|
| 963 | + break; |
|
| 964 | + case 6: |
|
| 965 | + $color[1] = ($color[1] & 0x2) >> 1; |
|
| 966 | + break; |
|
| 967 | + case 7: |
|
| 968 | + $color[1] = ($color[1] & 0x1); |
|
| 969 | + break; |
|
| 970 | + } |
|
| 971 | + $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
|
| 972 | + break; |
|
| 973 | + default: |
|
| 974 | + fclose($fh); |
|
| 975 | + $this->logger->warning('imagecreatefrombmp: ' . $fileName . ' has ' . $meta['bits'] . ' bits and this is not supported!', ['app' => 'core']); |
|
| 976 | + return false; |
|
| 977 | + } |
|
| 978 | + imagesetpixel($im, $x, $y, $color[1]); |
|
| 979 | + $x++; |
|
| 980 | + $p += $meta['bytes']; |
|
| 981 | + } |
|
| 982 | + $y--; |
|
| 983 | + $p += $meta['decal']; |
|
| 984 | + } |
|
| 985 | + fclose($fh); |
|
| 986 | + return $im; |
|
| 987 | + } |
|
| 988 | + |
|
| 989 | + /** |
|
| 990 | + * Resizes the image preserving ratio. |
|
| 991 | + * |
|
| 992 | + * @param integer $maxSize The maximum size of either the width or height. |
|
| 993 | + * @return bool |
|
| 994 | + */ |
|
| 995 | + public function resize($maxSize) { |
|
| 996 | + if (!$this->valid()) { |
|
| 997 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 998 | + return false; |
|
| 999 | + } |
|
| 1000 | + $result = $this->resizeNew($maxSize); |
|
| 1001 | + imagedestroy($this->resource); |
|
| 1002 | + $this->resource = $result; |
|
| 1003 | + return $this->valid(); |
|
| 1004 | + } |
|
| 1005 | + |
|
| 1006 | + /** |
|
| 1007 | + * @param $maxSize |
|
| 1008 | + * @return resource|bool|\GdImage |
|
| 1009 | + */ |
|
| 1010 | + private function resizeNew($maxSize) { |
|
| 1011 | + if (!$this->valid()) { |
|
| 1012 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1013 | + return false; |
|
| 1014 | + } |
|
| 1015 | + $widthOrig = imagesx($this->resource); |
|
| 1016 | + $heightOrig = imagesy($this->resource); |
|
| 1017 | + $ratioOrig = $widthOrig / $heightOrig; |
|
| 1018 | + |
|
| 1019 | + if ($ratioOrig > 1) { |
|
| 1020 | + $newHeight = round($maxSize / $ratioOrig); |
|
| 1021 | + $newWidth = $maxSize; |
|
| 1022 | + } else { |
|
| 1023 | + $newWidth = round($maxSize * $ratioOrig); |
|
| 1024 | + $newHeight = $maxSize; |
|
| 1025 | + } |
|
| 1026 | + |
|
| 1027 | + return $this->preciseResizeNew((int)round($newWidth), (int)round($newHeight)); |
|
| 1028 | + } |
|
| 1029 | + |
|
| 1030 | + /** |
|
| 1031 | + * @param int $width |
|
| 1032 | + * @param int $height |
|
| 1033 | + * @return bool |
|
| 1034 | + */ |
|
| 1035 | + public function preciseResize(int $width, int $height): bool { |
|
| 1036 | + if (!$this->valid()) { |
|
| 1037 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1038 | + return false; |
|
| 1039 | + } |
|
| 1040 | + $result = $this->preciseResizeNew($width, $height); |
|
| 1041 | + imagedestroy($this->resource); |
|
| 1042 | + $this->resource = $result; |
|
| 1043 | + return $this->valid(); |
|
| 1044 | + } |
|
| 1045 | + |
|
| 1046 | + |
|
| 1047 | + /** |
|
| 1048 | + * @param int $width |
|
| 1049 | + * @param int $height |
|
| 1050 | + * @return resource|bool|\GdImage |
|
| 1051 | + */ |
|
| 1052 | + public function preciseResizeNew(int $width, int $height) { |
|
| 1053 | + if (!($width > 0) || !($height > 0)) { |
|
| 1054 | + $this->logger->info(__METHOD__ . '(): Requested image size not bigger than 0', ['app' => 'core']); |
|
| 1055 | + return false; |
|
| 1056 | + } |
|
| 1057 | + if (!$this->valid()) { |
|
| 1058 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1059 | + return false; |
|
| 1060 | + } |
|
| 1061 | + $widthOrig = imagesx($this->resource); |
|
| 1062 | + $heightOrig = imagesy($this->resource); |
|
| 1063 | + $process = imagecreatetruecolor($width, $height); |
|
| 1064 | + if ($process === false) { |
|
| 1065 | + $this->logger->error(__METHOD__ . '(): Error creating true color image', ['app' => 'core']); |
|
| 1066 | + return false; |
|
| 1067 | + } |
|
| 1068 | + |
|
| 1069 | + // preserve transparency |
|
| 1070 | + if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { |
|
| 1071 | + imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); |
|
| 1072 | + imagealphablending($process, false); |
|
| 1073 | + imagesavealpha($process, true); |
|
| 1074 | + } |
|
| 1075 | + |
|
| 1076 | + $res = imagecopyresampled($process, $this->resource, 0, 0, 0, 0, $width, $height, $widthOrig, $heightOrig); |
|
| 1077 | + if ($res === false) { |
|
| 1078 | + $this->logger->error(__METHOD__ . '(): Error re-sampling process image', ['app' => 'core']); |
|
| 1079 | + imagedestroy($process); |
|
| 1080 | + return false; |
|
| 1081 | + } |
|
| 1082 | + return $process; |
|
| 1083 | + } |
|
| 1084 | + |
|
| 1085 | + /** |
|
| 1086 | + * Crops the image to the middle square. If the image is already square it just returns. |
|
| 1087 | + * |
|
| 1088 | + * @param int $size maximum size for the result (optional) |
|
| 1089 | + * @return bool for success or failure |
|
| 1090 | + */ |
|
| 1091 | + public function centerCrop($size = 0) { |
|
| 1092 | + if (!$this->valid()) { |
|
| 1093 | + $this->logger->error('OC_Image->centerCrop, No image loaded', ['app' => 'core']); |
|
| 1094 | + return false; |
|
| 1095 | + } |
|
| 1096 | + $widthOrig = imagesx($this->resource); |
|
| 1097 | + $heightOrig = imagesy($this->resource); |
|
| 1098 | + if ($widthOrig === $heightOrig and $size == 0) { |
|
| 1099 | + return true; |
|
| 1100 | + } |
|
| 1101 | + $ratioOrig = $widthOrig / $heightOrig; |
|
| 1102 | + $width = $height = min($widthOrig, $heightOrig); |
|
| 1103 | + |
|
| 1104 | + if ($ratioOrig > 1) { |
|
| 1105 | + $x = ($widthOrig / 2) - ($width / 2); |
|
| 1106 | + $y = 0; |
|
| 1107 | + } else { |
|
| 1108 | + $y = ($heightOrig / 2) - ($height / 2); |
|
| 1109 | + $x = 0; |
|
| 1110 | + } |
|
| 1111 | + if ($size > 0) { |
|
| 1112 | + $targetWidth = $size; |
|
| 1113 | + $targetHeight = $size; |
|
| 1114 | + } else { |
|
| 1115 | + $targetWidth = $width; |
|
| 1116 | + $targetHeight = $height; |
|
| 1117 | + } |
|
| 1118 | + $process = imagecreatetruecolor($targetWidth, $targetHeight); |
|
| 1119 | + if ($process === false) { |
|
| 1120 | + $this->logger->error('OC_Image->centerCrop, Error creating true color image', ['app' => 'core']); |
|
| 1121 | + return false; |
|
| 1122 | + } |
|
| 1123 | + |
|
| 1124 | + // preserve transparency |
|
| 1125 | + if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { |
|
| 1126 | + imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); |
|
| 1127 | + imagealphablending($process, false); |
|
| 1128 | + imagesavealpha($process, true); |
|
| 1129 | + } |
|
| 1130 | + |
|
| 1131 | + imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $targetWidth, $targetHeight, $width, $height); |
|
| 1132 | + if ($process === false) { |
|
| 1133 | + $this->logger->error('OC_Image->centerCrop, Error re-sampling process image ' . $width . 'x' . $height, ['app' => 'core']); |
|
| 1134 | + return false; |
|
| 1135 | + } |
|
| 1136 | + imagedestroy($this->resource); |
|
| 1137 | + $this->resource = $process; |
|
| 1138 | + return true; |
|
| 1139 | + } |
|
| 1140 | + |
|
| 1141 | + /** |
|
| 1142 | + * Crops the image from point $x$y with dimension $wx$h. |
|
| 1143 | + * |
|
| 1144 | + * @param int $x Horizontal position |
|
| 1145 | + * @param int $y Vertical position |
|
| 1146 | + * @param int $w Width |
|
| 1147 | + * @param int $h Height |
|
| 1148 | + * @return bool for success or failure |
|
| 1149 | + */ |
|
| 1150 | + public function crop(int $x, int $y, int $w, int $h): bool { |
|
| 1151 | + if (!$this->valid()) { |
|
| 1152 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1153 | + return false; |
|
| 1154 | + } |
|
| 1155 | + $result = $this->cropNew($x, $y, $w, $h); |
|
| 1156 | + imagedestroy($this->resource); |
|
| 1157 | + $this->resource = $result; |
|
| 1158 | + return $this->valid(); |
|
| 1159 | + } |
|
| 1160 | + |
|
| 1161 | + /** |
|
| 1162 | + * Crops the image from point $x$y with dimension $wx$h. |
|
| 1163 | + * |
|
| 1164 | + * @param int $x Horizontal position |
|
| 1165 | + * @param int $y Vertical position |
|
| 1166 | + * @param int $w Width |
|
| 1167 | + * @param int $h Height |
|
| 1168 | + * @return resource|\GdImage|false |
|
| 1169 | + */ |
|
| 1170 | + public function cropNew(int $x, int $y, int $w, int $h) { |
|
| 1171 | + if (!$this->valid()) { |
|
| 1172 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1173 | + return false; |
|
| 1174 | + } |
|
| 1175 | + $process = imagecreatetruecolor($w, $h); |
|
| 1176 | + if ($process === false) { |
|
| 1177 | + $this->logger->error(__METHOD__ . '(): Error creating true color image', ['app' => 'core']); |
|
| 1178 | + return false; |
|
| 1179 | + } |
|
| 1180 | + |
|
| 1181 | + // preserve transparency |
|
| 1182 | + if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) { |
|
| 1183 | + imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127)); |
|
| 1184 | + imagealphablending($process, false); |
|
| 1185 | + imagesavealpha($process, true); |
|
| 1186 | + } |
|
| 1187 | + |
|
| 1188 | + imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $w, $h, $w, $h); |
|
| 1189 | + if ($process === false) { |
|
| 1190 | + $this->logger->error(__METHOD__ . '(): Error re-sampling process image ' . $w . 'x' . $h, ['app' => 'core']); |
|
| 1191 | + return false; |
|
| 1192 | + } |
|
| 1193 | + return $process; |
|
| 1194 | + } |
|
| 1195 | + |
|
| 1196 | + /** |
|
| 1197 | + * Resizes the image to fit within a boundary while preserving ratio. |
|
| 1198 | + * |
|
| 1199 | + * Warning: Images smaller than $maxWidth x $maxHeight will end up being scaled up |
|
| 1200 | + * |
|
| 1201 | + * @param integer $maxWidth |
|
| 1202 | + * @param integer $maxHeight |
|
| 1203 | + * @return bool |
|
| 1204 | + */ |
|
| 1205 | + public function fitIn($maxWidth, $maxHeight) { |
|
| 1206 | + if (!$this->valid()) { |
|
| 1207 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1208 | + return false; |
|
| 1209 | + } |
|
| 1210 | + $widthOrig = imagesx($this->resource); |
|
| 1211 | + $heightOrig = imagesy($this->resource); |
|
| 1212 | + $ratio = $widthOrig / $heightOrig; |
|
| 1213 | + |
|
| 1214 | + $newWidth = min($maxWidth, $ratio * $maxHeight); |
|
| 1215 | + $newHeight = min($maxHeight, $maxWidth / $ratio); |
|
| 1216 | + |
|
| 1217 | + $this->preciseResize((int)round($newWidth), (int)round($newHeight)); |
|
| 1218 | + return true; |
|
| 1219 | + } |
|
| 1220 | + |
|
| 1221 | + /** |
|
| 1222 | + * Shrinks larger images to fit within specified boundaries while preserving ratio. |
|
| 1223 | + * |
|
| 1224 | + * @param integer $maxWidth |
|
| 1225 | + * @param integer $maxHeight |
|
| 1226 | + * @return bool |
|
| 1227 | + */ |
|
| 1228 | + public function scaleDownToFit($maxWidth, $maxHeight) { |
|
| 1229 | + if (!$this->valid()) { |
|
| 1230 | + $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1231 | + return false; |
|
| 1232 | + } |
|
| 1233 | + $widthOrig = imagesx($this->resource); |
|
| 1234 | + $heightOrig = imagesy($this->resource); |
|
| 1235 | + |
|
| 1236 | + if ($widthOrig > $maxWidth || $heightOrig > $maxHeight) { |
|
| 1237 | + return $this->fitIn($maxWidth, $maxHeight); |
|
| 1238 | + } |
|
| 1239 | + |
|
| 1240 | + return false; |
|
| 1241 | + } |
|
| 1242 | + |
|
| 1243 | + public function copy(): IImage { |
|
| 1244 | + $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1245 | + $image->resource = imagecreatetruecolor($this->width(), $this->height()); |
|
| 1246 | + imagecopy( |
|
| 1247 | + $image->resource(), |
|
| 1248 | + $this->resource(), |
|
| 1249 | + 0, |
|
| 1250 | + 0, |
|
| 1251 | + 0, |
|
| 1252 | + 0, |
|
| 1253 | + $this->width(), |
|
| 1254 | + $this->height() |
|
| 1255 | + ); |
|
| 1256 | + |
|
| 1257 | + return $image; |
|
| 1258 | + } |
|
| 1259 | + |
|
| 1260 | + public function cropCopy(int $x, int $y, int $w, int $h): IImage { |
|
| 1261 | + $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1262 | + $image->imageType = $this->imageType; |
|
| 1263 | + $image->mimeType = $this->mimeType; |
|
| 1264 | + $image->bitDepth = $this->bitDepth; |
|
| 1265 | + $image->resource = $this->cropNew($x, $y, $w, $h); |
|
| 1266 | + |
|
| 1267 | + return $image; |
|
| 1268 | + } |
|
| 1269 | + |
|
| 1270 | + public function preciseResizeCopy(int $width, int $height): IImage { |
|
| 1271 | + $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1272 | + $image->imageType = $this->imageType; |
|
| 1273 | + $image->mimeType = $this->mimeType; |
|
| 1274 | + $image->bitDepth = $this->bitDepth; |
|
| 1275 | + $image->resource = $this->preciseResizeNew($width, $height); |
|
| 1276 | + |
|
| 1277 | + return $image; |
|
| 1278 | + } |
|
| 1279 | + |
|
| 1280 | + public function resizeCopy(int $maxSize): IImage { |
|
| 1281 | + $image = new OC_Image(null, $this->logger, $this->config); |
|
| 1282 | + $image->imageType = $this->imageType; |
|
| 1283 | + $image->mimeType = $this->mimeType; |
|
| 1284 | + $image->bitDepth = $this->bitDepth; |
|
| 1285 | + $image->resource = $this->resizeNew($maxSize); |
|
| 1286 | + |
|
| 1287 | + return $image; |
|
| 1288 | + } |
|
| 1289 | + |
|
| 1290 | + /** |
|
| 1291 | + * Destroys the current image and resets the object |
|
| 1292 | + */ |
|
| 1293 | + public function destroy() { |
|
| 1294 | + if ($this->valid()) { |
|
| 1295 | + imagedestroy($this->resource); |
|
| 1296 | + } |
|
| 1297 | + $this->resource = false; |
|
| 1298 | + } |
|
| 1299 | + |
|
| 1300 | + public function __destruct() { |
|
| 1301 | + $this->destroy(); |
|
| 1302 | + } |
|
| 1303 | 1303 | } |
| 1304 | 1304 | |
| 1305 | 1305 | if (!function_exists('imagebmp')) { |
| 1306 | - /** |
|
| 1307 | - * Output a BMP image to either the browser or a file |
|
| 1308 | - * |
|
| 1309 | - * @link http://www.ugia.cn/wp-data/imagebmp.php |
|
| 1310 | - * @author legend <[email protected]> |
|
| 1311 | - * @link http://www.programmierer-forum.de/imagebmp-gute-funktion-gefunden-t143716.htm |
|
| 1312 | - * @author mgutt <[email protected]> |
|
| 1313 | - * @version 1.00 |
|
| 1314 | - * @param resource|\GdImage $im |
|
| 1315 | - * @param string $fileName [optional] <p>The path to save the file to.</p> |
|
| 1316 | - * @param int $bit [optional] <p>Bit depth, (default is 24).</p> |
|
| 1317 | - * @param int $compression [optional] |
|
| 1318 | - * @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure. |
|
| 1319 | - */ |
|
| 1320 | - function imagebmp($im, $fileName = '', $bit = 24, $compression = 0) { |
|
| 1321 | - if (!in_array($bit, [1, 4, 8, 16, 24, 32])) { |
|
| 1322 | - $bit = 24; |
|
| 1323 | - } elseif ($bit == 32) { |
|
| 1324 | - $bit = 24; |
|
| 1325 | - } |
|
| 1326 | - $bits = (int)pow(2, $bit); |
|
| 1327 | - imagetruecolortopalette($im, true, $bits); |
|
| 1328 | - $width = imagesx($im); |
|
| 1329 | - $height = imagesy($im); |
|
| 1330 | - $colorsNum = imagecolorstotal($im); |
|
| 1331 | - $rgbQuad = ''; |
|
| 1332 | - if ($bit <= 8) { |
|
| 1333 | - for ($i = 0; $i < $colorsNum; $i++) { |
|
| 1334 | - $colors = imagecolorsforindex($im, $i); |
|
| 1335 | - $rgbQuad .= chr($colors['blue']) . chr($colors['green']) . chr($colors['red']) . "\0"; |
|
| 1336 | - } |
|
| 1337 | - $bmpData = ''; |
|
| 1338 | - if ($compression == 0 || $bit < 8) { |
|
| 1339 | - $compression = 0; |
|
| 1340 | - $extra = ''; |
|
| 1341 | - $padding = 4 - ceil($width / (8 / $bit)) % 4; |
|
| 1342 | - if ($padding % 4 != 0) { |
|
| 1343 | - $extra = str_repeat("\0", $padding); |
|
| 1344 | - } |
|
| 1345 | - for ($j = $height - 1; $j >= 0; $j--) { |
|
| 1346 | - $i = 0; |
|
| 1347 | - while ($i < $width) { |
|
| 1348 | - $bin = 0; |
|
| 1349 | - $limit = $width - $i < 8 / $bit ? (8 / $bit - $width + $i) * $bit : 0; |
|
| 1350 | - for ($k = 8 - $bit; $k >= $limit; $k -= $bit) { |
|
| 1351 | - $index = imagecolorat($im, $i, $j); |
|
| 1352 | - $bin |= $index << $k; |
|
| 1353 | - $i++; |
|
| 1354 | - } |
|
| 1355 | - $bmpData .= chr($bin); |
|
| 1356 | - } |
|
| 1357 | - $bmpData .= $extra; |
|
| 1358 | - } |
|
| 1359 | - } // RLE8 |
|
| 1360 | - elseif ($compression == 1 && $bit == 8) { |
|
| 1361 | - for ($j = $height - 1; $j >= 0; $j--) { |
|
| 1362 | - $lastIndex = null; |
|
| 1363 | - $sameNum = 0; |
|
| 1364 | - for ($i = 0; $i <= $width; $i++) { |
|
| 1365 | - $index = imagecolorat($im, $i, $j); |
|
| 1366 | - if ($index !== $lastIndex || $sameNum > 255) { |
|
| 1367 | - if ($sameNum != 0) { |
|
| 1368 | - $bmpData .= chr($sameNum) . chr($lastIndex); |
|
| 1369 | - } |
|
| 1370 | - $lastIndex = $index; |
|
| 1371 | - $sameNum = 1; |
|
| 1372 | - } else { |
|
| 1373 | - $sameNum++; |
|
| 1374 | - } |
|
| 1375 | - } |
|
| 1376 | - $bmpData .= "\0\0"; |
|
| 1377 | - } |
|
| 1378 | - $bmpData .= "\0\1"; |
|
| 1379 | - } |
|
| 1380 | - $sizeQuad = strlen($rgbQuad); |
|
| 1381 | - $sizeData = strlen($bmpData); |
|
| 1382 | - } else { |
|
| 1383 | - $extra = ''; |
|
| 1384 | - $padding = 4 - ($width * ($bit / 8)) % 4; |
|
| 1385 | - if ($padding % 4 != 0) { |
|
| 1386 | - $extra = str_repeat("\0", $padding); |
|
| 1387 | - } |
|
| 1388 | - $bmpData = ''; |
|
| 1389 | - for ($j = $height - 1; $j >= 0; $j--) { |
|
| 1390 | - for ($i = 0; $i < $width; $i++) { |
|
| 1391 | - $index = imagecolorat($im, $i, $j); |
|
| 1392 | - $colors = imagecolorsforindex($im, $index); |
|
| 1393 | - if ($bit == 16) { |
|
| 1394 | - $bin = 0 << $bit; |
|
| 1395 | - $bin |= ($colors['red'] >> 3) << 10; |
|
| 1396 | - $bin |= ($colors['green'] >> 3) << 5; |
|
| 1397 | - $bin |= $colors['blue'] >> 3; |
|
| 1398 | - $bmpData .= pack("v", $bin); |
|
| 1399 | - } else { |
|
| 1400 | - $bmpData .= pack("c*", $colors['blue'], $colors['green'], $colors['red']); |
|
| 1401 | - } |
|
| 1402 | - } |
|
| 1403 | - $bmpData .= $extra; |
|
| 1404 | - } |
|
| 1405 | - $sizeQuad = 0; |
|
| 1406 | - $sizeData = strlen($bmpData); |
|
| 1407 | - $colorsNum = 0; |
|
| 1408 | - } |
|
| 1409 | - $fileHeader = 'BM' . pack('V3', 54 + $sizeQuad + $sizeData, 0, 54 + $sizeQuad); |
|
| 1410 | - $infoHeader = pack('V3v2V*', 0x28, $width, $height, 1, $bit, $compression, $sizeData, 0, 0, $colorsNum, 0); |
|
| 1411 | - if ($fileName != '') { |
|
| 1412 | - $fp = fopen($fileName, 'wb'); |
|
| 1413 | - fwrite($fp, $fileHeader . $infoHeader . $rgbQuad . $bmpData); |
|
| 1414 | - fclose($fp); |
|
| 1415 | - return true; |
|
| 1416 | - } |
|
| 1417 | - echo $fileHeader . $infoHeader . $rgbQuad . $bmpData; |
|
| 1418 | - return true; |
|
| 1419 | - } |
|
| 1306 | + /** |
|
| 1307 | + * Output a BMP image to either the browser or a file |
|
| 1308 | + * |
|
| 1309 | + * @link http://www.ugia.cn/wp-data/imagebmp.php |
|
| 1310 | + * @author legend <[email protected]> |
|
| 1311 | + * @link http://www.programmierer-forum.de/imagebmp-gute-funktion-gefunden-t143716.htm |
|
| 1312 | + * @author mgutt <[email protected]> |
|
| 1313 | + * @version 1.00 |
|
| 1314 | + * @param resource|\GdImage $im |
|
| 1315 | + * @param string $fileName [optional] <p>The path to save the file to.</p> |
|
| 1316 | + * @param int $bit [optional] <p>Bit depth, (default is 24).</p> |
|
| 1317 | + * @param int $compression [optional] |
|
| 1318 | + * @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure. |
|
| 1319 | + */ |
|
| 1320 | + function imagebmp($im, $fileName = '', $bit = 24, $compression = 0) { |
|
| 1321 | + if (!in_array($bit, [1, 4, 8, 16, 24, 32])) { |
|
| 1322 | + $bit = 24; |
|
| 1323 | + } elseif ($bit == 32) { |
|
| 1324 | + $bit = 24; |
|
| 1325 | + } |
|
| 1326 | + $bits = (int)pow(2, $bit); |
|
| 1327 | + imagetruecolortopalette($im, true, $bits); |
|
| 1328 | + $width = imagesx($im); |
|
| 1329 | + $height = imagesy($im); |
|
| 1330 | + $colorsNum = imagecolorstotal($im); |
|
| 1331 | + $rgbQuad = ''; |
|
| 1332 | + if ($bit <= 8) { |
|
| 1333 | + for ($i = 0; $i < $colorsNum; $i++) { |
|
| 1334 | + $colors = imagecolorsforindex($im, $i); |
|
| 1335 | + $rgbQuad .= chr($colors['blue']) . chr($colors['green']) . chr($colors['red']) . "\0"; |
|
| 1336 | + } |
|
| 1337 | + $bmpData = ''; |
|
| 1338 | + if ($compression == 0 || $bit < 8) { |
|
| 1339 | + $compression = 0; |
|
| 1340 | + $extra = ''; |
|
| 1341 | + $padding = 4 - ceil($width / (8 / $bit)) % 4; |
|
| 1342 | + if ($padding % 4 != 0) { |
|
| 1343 | + $extra = str_repeat("\0", $padding); |
|
| 1344 | + } |
|
| 1345 | + for ($j = $height - 1; $j >= 0; $j--) { |
|
| 1346 | + $i = 0; |
|
| 1347 | + while ($i < $width) { |
|
| 1348 | + $bin = 0; |
|
| 1349 | + $limit = $width - $i < 8 / $bit ? (8 / $bit - $width + $i) * $bit : 0; |
|
| 1350 | + for ($k = 8 - $bit; $k >= $limit; $k -= $bit) { |
|
| 1351 | + $index = imagecolorat($im, $i, $j); |
|
| 1352 | + $bin |= $index << $k; |
|
| 1353 | + $i++; |
|
| 1354 | + } |
|
| 1355 | + $bmpData .= chr($bin); |
|
| 1356 | + } |
|
| 1357 | + $bmpData .= $extra; |
|
| 1358 | + } |
|
| 1359 | + } // RLE8 |
|
| 1360 | + elseif ($compression == 1 && $bit == 8) { |
|
| 1361 | + for ($j = $height - 1; $j >= 0; $j--) { |
|
| 1362 | + $lastIndex = null; |
|
| 1363 | + $sameNum = 0; |
|
| 1364 | + for ($i = 0; $i <= $width; $i++) { |
|
| 1365 | + $index = imagecolorat($im, $i, $j); |
|
| 1366 | + if ($index !== $lastIndex || $sameNum > 255) { |
|
| 1367 | + if ($sameNum != 0) { |
|
| 1368 | + $bmpData .= chr($sameNum) . chr($lastIndex); |
|
| 1369 | + } |
|
| 1370 | + $lastIndex = $index; |
|
| 1371 | + $sameNum = 1; |
|
| 1372 | + } else { |
|
| 1373 | + $sameNum++; |
|
| 1374 | + } |
|
| 1375 | + } |
|
| 1376 | + $bmpData .= "\0\0"; |
|
| 1377 | + } |
|
| 1378 | + $bmpData .= "\0\1"; |
|
| 1379 | + } |
|
| 1380 | + $sizeQuad = strlen($rgbQuad); |
|
| 1381 | + $sizeData = strlen($bmpData); |
|
| 1382 | + } else { |
|
| 1383 | + $extra = ''; |
|
| 1384 | + $padding = 4 - ($width * ($bit / 8)) % 4; |
|
| 1385 | + if ($padding % 4 != 0) { |
|
| 1386 | + $extra = str_repeat("\0", $padding); |
|
| 1387 | + } |
|
| 1388 | + $bmpData = ''; |
|
| 1389 | + for ($j = $height - 1; $j >= 0; $j--) { |
|
| 1390 | + for ($i = 0; $i < $width; $i++) { |
|
| 1391 | + $index = imagecolorat($im, $i, $j); |
|
| 1392 | + $colors = imagecolorsforindex($im, $index); |
|
| 1393 | + if ($bit == 16) { |
|
| 1394 | + $bin = 0 << $bit; |
|
| 1395 | + $bin |= ($colors['red'] >> 3) << 10; |
|
| 1396 | + $bin |= ($colors['green'] >> 3) << 5; |
|
| 1397 | + $bin |= $colors['blue'] >> 3; |
|
| 1398 | + $bmpData .= pack("v", $bin); |
|
| 1399 | + } else { |
|
| 1400 | + $bmpData .= pack("c*", $colors['blue'], $colors['green'], $colors['red']); |
|
| 1401 | + } |
|
| 1402 | + } |
|
| 1403 | + $bmpData .= $extra; |
|
| 1404 | + } |
|
| 1405 | + $sizeQuad = 0; |
|
| 1406 | + $sizeData = strlen($bmpData); |
|
| 1407 | + $colorsNum = 0; |
|
| 1408 | + } |
|
| 1409 | + $fileHeader = 'BM' . pack('V3', 54 + $sizeQuad + $sizeData, 0, 54 + $sizeQuad); |
|
| 1410 | + $infoHeader = pack('V3v2V*', 0x28, $width, $height, 1, $bit, $compression, $sizeData, 0, 0, $colorsNum, 0); |
|
| 1411 | + if ($fileName != '') { |
|
| 1412 | + $fp = fopen($fileName, 'wb'); |
|
| 1413 | + fwrite($fp, $fileHeader . $infoHeader . $rgbQuad . $bmpData); |
|
| 1414 | + fclose($fp); |
|
| 1415 | + return true; |
|
| 1416 | + } |
|
| 1417 | + echo $fileHeader . $infoHeader . $rgbQuad . $bmpData; |
|
| 1418 | + return true; |
|
| 1419 | + } |
|
| 1420 | 1420 | } |
| 1421 | 1421 | |
| 1422 | 1422 | if (!function_exists('exif_imagetype')) { |
| 1423 | - /** |
|
| 1424 | - * Workaround if exif_imagetype does not exist |
|
| 1425 | - * |
|
| 1426 | - * @link https://www.php.net/manual/en/function.exif-imagetype.php#80383 |
|
| 1427 | - * @param string $fileName |
|
| 1428 | - * @return string|boolean |
|
| 1429 | - */ |
|
| 1430 | - function exif_imagetype($fileName) { |
|
| 1431 | - if (($info = getimagesize($fileName)) !== false) { |
|
| 1432 | - return $info[2]; |
|
| 1433 | - } |
|
| 1434 | - return false; |
|
| 1435 | - } |
|
| 1423 | + /** |
|
| 1424 | + * Workaround if exif_imagetype does not exist |
|
| 1425 | + * |
|
| 1426 | + * @link https://www.php.net/manual/en/function.exif-imagetype.php#80383 |
|
| 1427 | + * @param string $fileName |
|
| 1428 | + * @return string|boolean |
|
| 1429 | + */ |
|
| 1430 | + function exif_imagetype($fileName) { |
|
| 1431 | + if (($info = getimagesize($fileName)) !== false) { |
|
| 1432 | + return $info[2]; |
|
| 1433 | + } |
|
| 1434 | + return false; |
|
| 1435 | + } |
|
| 1436 | 1436 | } |
@@ -159,7 +159,7 @@ discard block |
||
| 159 | 159 | */ |
| 160 | 160 | public function widthTopLeft() { |
| 161 | 161 | $o = $this->getOrientation(); |
| 162 | - $this->logger->debug('OC_Image->widthTopLeft() Orientation: ' . $o, ['app' => 'core']); |
|
| 162 | + $this->logger->debug('OC_Image->widthTopLeft() Orientation: '.$o, ['app' => 'core']); |
|
| 163 | 163 | switch ($o) { |
| 164 | 164 | case -1: |
| 165 | 165 | case 1: |
@@ -183,7 +183,7 @@ discard block |
||
| 183 | 183 | */ |
| 184 | 184 | public function heightTopLeft() { |
| 185 | 185 | $o = $this->getOrientation(); |
| 186 | - $this->logger->debug('OC_Image->heightTopLeft() Orientation: ' . $o, ['app' => 'core']); |
|
| 186 | + $this->logger->debug('OC_Image->heightTopLeft() Orientation: '.$o, ['app' => 'core']); |
|
| 187 | 187 | switch ($o) { |
| 188 | 188 | case -1: |
| 189 | 189 | case 1: |
@@ -210,7 +210,7 @@ discard block |
||
| 210 | 210 | if ($mimeType === null) { |
| 211 | 211 | $mimeType = $this->mimeType(); |
| 212 | 212 | } |
| 213 | - header('Content-Type: ' . $mimeType); |
|
| 213 | + header('Content-Type: '.$mimeType); |
|
| 214 | 214 | return $this->_output(null, $mimeType); |
| 215 | 215 | } |
| 216 | 216 | |
@@ -228,7 +228,7 @@ discard block |
||
| 228 | 228 | } |
| 229 | 229 | if ($filePath === null) { |
| 230 | 230 | if ($this->filePath === null) { |
| 231 | - $this->logger->error(__METHOD__ . '(): called with no path.', ['app' => 'core']); |
|
| 231 | + $this->logger->error(__METHOD__.'(): called with no path.', ['app' => 'core']); |
|
| 232 | 232 | return false; |
| 233 | 233 | } else { |
| 234 | 234 | $filePath = $this->filePath; |
@@ -252,10 +252,10 @@ discard block |
||
| 252 | 252 | } |
| 253 | 253 | $isWritable = is_writable(dirname($filePath)); |
| 254 | 254 | if (!$isWritable) { |
| 255 | - $this->logger->error(__METHOD__ . '(): Directory \'' . dirname($filePath) . '\' is not writable.', ['app' => 'core']); |
|
| 255 | + $this->logger->error(__METHOD__.'(): Directory \''.dirname($filePath).'\' is not writable.', ['app' => 'core']); |
|
| 256 | 256 | return false; |
| 257 | 257 | } elseif ($isWritable && file_exists($filePath) && !is_writable($filePath)) { |
| 258 | - $this->logger->error(__METHOD__ . '(): File \'' . $filePath . '\' is not writable.', ['app' => 'core']); |
|
| 258 | + $this->logger->error(__METHOD__.'(): File \''.$filePath.'\' is not writable.', ['app' => 'core']); |
|
| 259 | 259 | return false; |
| 260 | 260 | } |
| 261 | 261 | } |
@@ -283,7 +283,7 @@ discard block |
||
| 283 | 283 | $imageType = IMAGETYPE_BMP; |
| 284 | 284 | break; |
| 285 | 285 | default: |
| 286 | - throw new Exception('\OC_Image::_output(): "' . $mimeType . '" is not supported when forcing a specific output format'); |
|
| 286 | + throw new Exception('\OC_Image::_output(): "'.$mimeType.'" is not supported when forcing a specific output format'); |
|
| 287 | 287 | } |
| 288 | 288 | } |
| 289 | 289 | |
@@ -468,7 +468,7 @@ discard block |
||
| 468 | 468 | return; |
| 469 | 469 | } |
| 470 | 470 | |
| 471 | - $exif = @exif_read_data('data://image/jpeg;base64,' . base64_encode($data)); |
|
| 471 | + $exif = @exif_read_data('data://image/jpeg;base64,'.base64_encode($data)); |
|
| 472 | 472 | if (!$exif) { |
| 473 | 473 | return; |
| 474 | 474 | } |
@@ -486,11 +486,11 @@ discard block |
||
| 486 | 486 | */ |
| 487 | 487 | public function fixOrientation() { |
| 488 | 488 | if (!$this->valid()) { |
| 489 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 489 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 490 | 490 | return false; |
| 491 | 491 | } |
| 492 | 492 | $o = $this->getOrientation(); |
| 493 | - $this->logger->debug('OC_Image->fixOrientation() Orientation: ' . $o, ['app' => 'core']); |
|
| 493 | + $this->logger->debug('OC_Image->fixOrientation() Orientation: '.$o, ['app' => 'core']); |
|
| 494 | 494 | $rotate = 0; |
| 495 | 495 | $flip = false; |
| 496 | 496 | switch ($o) { |
@@ -583,7 +583,7 @@ discard block |
||
| 583 | 583 | |
| 584 | 584 | // Assume 32 bits per pixel. |
| 585 | 585 | if ($width * $height * 4 > $memory_limit * 1024 * 1024) { |
| 586 | - $this->logger->debug('Image size of ' . $width . 'x' . $height . ' would exceed allowed memory limit of ' . $memory_limit); |
|
| 586 | + $this->logger->debug('Image size of '.$width.'x'.$height.' would exceed allowed memory limit of '.$memory_limit); |
|
| 587 | 587 | return false; |
| 588 | 588 | } |
| 589 | 589 | |
@@ -656,10 +656,10 @@ discard block |
||
| 656 | 656 | imagealphablending($this->resource, true); |
| 657 | 657 | imagesavealpha($this->resource, true); |
| 658 | 658 | } else { |
| 659 | - $this->logger->debug('OC_Image->loadFromFile, GIF image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 659 | + $this->logger->debug('OC_Image->loadFromFile, GIF image not valid: '.$imagePath, ['app' => 'core']); |
|
| 660 | 660 | } |
| 661 | 661 | } else { |
| 662 | - $this->logger->debug('OC_Image->loadFromFile, GIF images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 662 | + $this->logger->debug('OC_Image->loadFromFile, GIF images not supported: '.$imagePath, ['app' => 'core']); |
|
| 663 | 663 | } |
| 664 | 664 | break; |
| 665 | 665 | case IMAGETYPE_JPEG: |
@@ -670,10 +670,10 @@ discard block |
||
| 670 | 670 | if (getimagesize($imagePath) !== false) { |
| 671 | 671 | $this->resource = @imagecreatefromjpeg($imagePath); |
| 672 | 672 | } else { |
| 673 | - $this->logger->debug('OC_Image->loadFromFile, JPG image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 673 | + $this->logger->debug('OC_Image->loadFromFile, JPG image not valid: '.$imagePath, ['app' => 'core']); |
|
| 674 | 674 | } |
| 675 | 675 | } else { |
| 676 | - $this->logger->debug('OC_Image->loadFromFile, JPG images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 676 | + $this->logger->debug('OC_Image->loadFromFile, JPG images not supported: '.$imagePath, ['app' => 'core']); |
|
| 677 | 677 | } |
| 678 | 678 | break; |
| 679 | 679 | case IMAGETYPE_PNG: |
@@ -687,10 +687,10 @@ discard block |
||
| 687 | 687 | imagealphablending($this->resource, true); |
| 688 | 688 | imagesavealpha($this->resource, true); |
| 689 | 689 | } else { |
| 690 | - $this->logger->debug('OC_Image->loadFromFile, PNG image not valid: ' . $imagePath, ['app' => 'core']); |
|
| 690 | + $this->logger->debug('OC_Image->loadFromFile, PNG image not valid: '.$imagePath, ['app' => 'core']); |
|
| 691 | 691 | } |
| 692 | 692 | } else { |
| 693 | - $this->logger->debug('OC_Image->loadFromFile, PNG images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 693 | + $this->logger->debug('OC_Image->loadFromFile, PNG images not supported: '.$imagePath, ['app' => 'core']); |
|
| 694 | 694 | } |
| 695 | 695 | break; |
| 696 | 696 | case IMAGETYPE_XBM: |
@@ -700,7 +700,7 @@ discard block |
||
| 700 | 700 | } |
| 701 | 701 | $this->resource = @imagecreatefromxbm($imagePath); |
| 702 | 702 | } else { |
| 703 | - $this->logger->debug('OC_Image->loadFromFile, XBM/XPM images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 703 | + $this->logger->debug('OC_Image->loadFromFile, XBM/XPM images not supported: '.$imagePath, ['app' => 'core']); |
|
| 704 | 704 | } |
| 705 | 705 | break; |
| 706 | 706 | case IMAGETYPE_WBMP: |
@@ -710,7 +710,7 @@ discard block |
||
| 710 | 710 | } |
| 711 | 711 | $this->resource = @imagecreatefromwbmp($imagePath); |
| 712 | 712 | } else { |
| 713 | - $this->logger->debug('OC_Image->loadFromFile, WBMP images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 713 | + $this->logger->debug('OC_Image->loadFromFile, WBMP images not supported: '.$imagePath, ['app' => 'core']); |
|
| 714 | 714 | } |
| 715 | 715 | break; |
| 716 | 716 | case IMAGETYPE_BMP: |
@@ -723,7 +723,7 @@ discard block |
||
| 723 | 723 | } |
| 724 | 724 | $this->resource = @imagecreatefromwebp($imagePath); |
| 725 | 725 | } else { |
| 726 | - $this->logger->debug('OC_Image->loadFromFile, webp images not supported: ' . $imagePath, ['app' => 'core']); |
|
| 726 | + $this->logger->debug('OC_Image->loadFromFile, webp images not supported: '.$imagePath, ['app' => 'core']); |
|
| 727 | 727 | } |
| 728 | 728 | break; |
| 729 | 729 | /* |
@@ -840,7 +840,7 @@ discard block |
||
| 840 | 840 | */ |
| 841 | 841 | private function imagecreatefrombmp($fileName) { |
| 842 | 842 | if (!($fh = fopen($fileName, 'rb'))) { |
| 843 | - $this->logger->warning('imagecreatefrombmp: Can not open ' . $fileName, ['app' => 'core']); |
|
| 843 | + $this->logger->warning('imagecreatefrombmp: Can not open '.$fileName, ['app' => 'core']); |
|
| 844 | 844 | return false; |
| 845 | 845 | } |
| 846 | 846 | // read file header |
@@ -848,7 +848,7 @@ discard block |
||
| 848 | 848 | // check for bitmap |
| 849 | 849 | if ($meta['type'] != 19778) { |
| 850 | 850 | fclose($fh); |
| 851 | - $this->logger->warning('imagecreatefrombmp: Can not open ' . $fileName . ' is not a bitmap!', ['app' => 'core']); |
|
| 851 | + $this->logger->warning('imagecreatefrombmp: Can not open '.$fileName.' is not a bitmap!', ['app' => 'core']); |
|
| 852 | 852 | return false; |
| 853 | 853 | } |
| 854 | 854 | // read image header |
@@ -872,7 +872,7 @@ discard block |
||
| 872 | 872 | $meta['imagesize'] = @filesize($fileName) - $meta['offset']; |
| 873 | 873 | if ($meta['imagesize'] < 1) { |
| 874 | 874 | fclose($fh); |
| 875 | - $this->logger->warning('imagecreatefrombmp: Can not obtain file size of ' . $fileName . ' is not a bitmap!', ['app' => 'core']); |
|
| 875 | + $this->logger->warning('imagecreatefrombmp: Can not obtain file size of '.$fileName.' is not a bitmap!', ['app' => 'core']); |
|
| 876 | 876 | return false; |
| 877 | 877 | } |
| 878 | 878 | } |
@@ -882,7 +882,7 @@ discard block |
||
| 882 | 882 | // read color palette |
| 883 | 883 | $palette = []; |
| 884 | 884 | if ($meta['bits'] < 16) { |
| 885 | - $palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4)); |
|
| 885 | + $palette = unpack('l'.$meta['colors'], fread($fh, $meta['colors'] * 4)); |
|
| 886 | 886 | // in rare cases the color value is signed |
| 887 | 887 | if ($palette[1] < 0) { |
| 888 | 888 | foreach ($palette as $i => $color) { |
@@ -899,7 +899,7 @@ discard block |
||
| 899 | 899 | if ($im == false) { |
| 900 | 900 | fclose($fh); |
| 901 | 901 | $this->logger->warning( |
| 902 | - 'imagecreatefrombmp: imagecreatetruecolor failed for file "' . $fileName . '" with dimensions ' . $meta['width'] . 'x' . $meta['height'], |
|
| 902 | + 'imagecreatefrombmp: imagecreatetruecolor failed for file "'.$fileName.'" with dimensions '.$meta['width'].'x'.$meta['height'], |
|
| 903 | 903 | ['app' => 'core']); |
| 904 | 904 | return false; |
| 905 | 905 | } |
@@ -908,7 +908,7 @@ discard block |
||
| 908 | 908 | $p = 0; |
| 909 | 909 | $vide = chr(0); |
| 910 | 910 | $y = $meta['height'] - 1; |
| 911 | - $error = 'imagecreatefrombmp: ' . $fileName . ' has not enough data!'; |
|
| 911 | + $error = 'imagecreatefrombmp: '.$fileName.' has not enough data!'; |
|
| 912 | 912 | // loop through the image data beginning with the lower left corner |
| 913 | 913 | while ($y >= 0) { |
| 914 | 914 | $x = 0; |
@@ -920,7 +920,7 @@ discard block |
||
| 920 | 920 | $this->logger->warning($error, ['app' => 'core']); |
| 921 | 921 | return $im; |
| 922 | 922 | } |
| 923 | - $color = @unpack('V', $part . $vide); |
|
| 923 | + $color = @unpack('V', $part.$vide); |
|
| 924 | 924 | break; |
| 925 | 925 | case 16: |
| 926 | 926 | if (!($part = substr($data, $p, 2))) { |
@@ -932,16 +932,16 @@ discard block |
||
| 932 | 932 | $color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); |
| 933 | 933 | break; |
| 934 | 934 | case 8: |
| 935 | - $color = @unpack('n', $vide . ($data[$p] ?? '')); |
|
| 935 | + $color = @unpack('n', $vide.($data[$p] ?? '')); |
|
| 936 | 936 | $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
| 937 | 937 | break; |
| 938 | 938 | case 4: |
| 939 | - $color = @unpack('n', $vide . ($data[floor($p)] ?? '')); |
|
| 939 | + $color = @unpack('n', $vide.($data[floor($p)] ?? '')); |
|
| 940 | 940 | $color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F; |
| 941 | 941 | $color[1] = isset($palette[$color[1] + 1]) ? $palette[$color[1] + 1] : $palette[1]; |
| 942 | 942 | break; |
| 943 | 943 | case 1: |
| 944 | - $color = @unpack('n', $vide . ($data[floor($p)] ?? '')); |
|
| 944 | + $color = @unpack('n', $vide.($data[floor($p)] ?? '')); |
|
| 945 | 945 | switch (($p * 8) % 8) { |
| 946 | 946 | case 0: |
| 947 | 947 | $color[1] = $color[1] >> 7; |
@@ -972,7 +972,7 @@ discard block |
||
| 972 | 972 | break; |
| 973 | 973 | default: |
| 974 | 974 | fclose($fh); |
| 975 | - $this->logger->warning('imagecreatefrombmp: ' . $fileName . ' has ' . $meta['bits'] . ' bits and this is not supported!', ['app' => 'core']); |
|
| 975 | + $this->logger->warning('imagecreatefrombmp: '.$fileName.' has '.$meta['bits'].' bits and this is not supported!', ['app' => 'core']); |
|
| 976 | 976 | return false; |
| 977 | 977 | } |
| 978 | 978 | imagesetpixel($im, $x, $y, $color[1]); |
@@ -994,7 +994,7 @@ discard block |
||
| 994 | 994 | */ |
| 995 | 995 | public function resize($maxSize) { |
| 996 | 996 | if (!$this->valid()) { |
| 997 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 997 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 998 | 998 | return false; |
| 999 | 999 | } |
| 1000 | 1000 | $result = $this->resizeNew($maxSize); |
@@ -1009,7 +1009,7 @@ discard block |
||
| 1009 | 1009 | */ |
| 1010 | 1010 | private function resizeNew($maxSize) { |
| 1011 | 1011 | if (!$this->valid()) { |
| 1012 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1012 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1013 | 1013 | return false; |
| 1014 | 1014 | } |
| 1015 | 1015 | $widthOrig = imagesx($this->resource); |
@@ -1024,7 +1024,7 @@ discard block |
||
| 1024 | 1024 | $newHeight = $maxSize; |
| 1025 | 1025 | } |
| 1026 | 1026 | |
| 1027 | - return $this->preciseResizeNew((int)round($newWidth), (int)round($newHeight)); |
|
| 1027 | + return $this->preciseResizeNew((int) round($newWidth), (int) round($newHeight)); |
|
| 1028 | 1028 | } |
| 1029 | 1029 | |
| 1030 | 1030 | /** |
@@ -1034,7 +1034,7 @@ discard block |
||
| 1034 | 1034 | */ |
| 1035 | 1035 | public function preciseResize(int $width, int $height): bool { |
| 1036 | 1036 | if (!$this->valid()) { |
| 1037 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1037 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1038 | 1038 | return false; |
| 1039 | 1039 | } |
| 1040 | 1040 | $result = $this->preciseResizeNew($width, $height); |
@@ -1051,18 +1051,18 @@ discard block |
||
| 1051 | 1051 | */ |
| 1052 | 1052 | public function preciseResizeNew(int $width, int $height) { |
| 1053 | 1053 | if (!($width > 0) || !($height > 0)) { |
| 1054 | - $this->logger->info(__METHOD__ . '(): Requested image size not bigger than 0', ['app' => 'core']); |
|
| 1054 | + $this->logger->info(__METHOD__.'(): Requested image size not bigger than 0', ['app' => 'core']); |
|
| 1055 | 1055 | return false; |
| 1056 | 1056 | } |
| 1057 | 1057 | if (!$this->valid()) { |
| 1058 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1058 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1059 | 1059 | return false; |
| 1060 | 1060 | } |
| 1061 | 1061 | $widthOrig = imagesx($this->resource); |
| 1062 | 1062 | $heightOrig = imagesy($this->resource); |
| 1063 | 1063 | $process = imagecreatetruecolor($width, $height); |
| 1064 | 1064 | if ($process === false) { |
| 1065 | - $this->logger->error(__METHOD__ . '(): Error creating true color image', ['app' => 'core']); |
|
| 1065 | + $this->logger->error(__METHOD__.'(): Error creating true color image', ['app' => 'core']); |
|
| 1066 | 1066 | return false; |
| 1067 | 1067 | } |
| 1068 | 1068 | |
@@ -1075,7 +1075,7 @@ discard block |
||
| 1075 | 1075 | |
| 1076 | 1076 | $res = imagecopyresampled($process, $this->resource, 0, 0, 0, 0, $width, $height, $widthOrig, $heightOrig); |
| 1077 | 1077 | if ($res === false) { |
| 1078 | - $this->logger->error(__METHOD__ . '(): Error re-sampling process image', ['app' => 'core']); |
|
| 1078 | + $this->logger->error(__METHOD__.'(): Error re-sampling process image', ['app' => 'core']); |
|
| 1079 | 1079 | imagedestroy($process); |
| 1080 | 1080 | return false; |
| 1081 | 1081 | } |
@@ -1130,7 +1130,7 @@ discard block |
||
| 1130 | 1130 | |
| 1131 | 1131 | imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $targetWidth, $targetHeight, $width, $height); |
| 1132 | 1132 | if ($process === false) { |
| 1133 | - $this->logger->error('OC_Image->centerCrop, Error re-sampling process image ' . $width . 'x' . $height, ['app' => 'core']); |
|
| 1133 | + $this->logger->error('OC_Image->centerCrop, Error re-sampling process image '.$width.'x'.$height, ['app' => 'core']); |
|
| 1134 | 1134 | return false; |
| 1135 | 1135 | } |
| 1136 | 1136 | imagedestroy($this->resource); |
@@ -1149,7 +1149,7 @@ discard block |
||
| 1149 | 1149 | */ |
| 1150 | 1150 | public function crop(int $x, int $y, int $w, int $h): bool { |
| 1151 | 1151 | if (!$this->valid()) { |
| 1152 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1152 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1153 | 1153 | return false; |
| 1154 | 1154 | } |
| 1155 | 1155 | $result = $this->cropNew($x, $y, $w, $h); |
@@ -1169,12 +1169,12 @@ discard block |
||
| 1169 | 1169 | */ |
| 1170 | 1170 | public function cropNew(int $x, int $y, int $w, int $h) { |
| 1171 | 1171 | if (!$this->valid()) { |
| 1172 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1172 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1173 | 1173 | return false; |
| 1174 | 1174 | } |
| 1175 | 1175 | $process = imagecreatetruecolor($w, $h); |
| 1176 | 1176 | if ($process === false) { |
| 1177 | - $this->logger->error(__METHOD__ . '(): Error creating true color image', ['app' => 'core']); |
|
| 1177 | + $this->logger->error(__METHOD__.'(): Error creating true color image', ['app' => 'core']); |
|
| 1178 | 1178 | return false; |
| 1179 | 1179 | } |
| 1180 | 1180 | |
@@ -1187,7 +1187,7 @@ discard block |
||
| 1187 | 1187 | |
| 1188 | 1188 | imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $w, $h, $w, $h); |
| 1189 | 1189 | if ($process === false) { |
| 1190 | - $this->logger->error(__METHOD__ . '(): Error re-sampling process image ' . $w . 'x' . $h, ['app' => 'core']); |
|
| 1190 | + $this->logger->error(__METHOD__.'(): Error re-sampling process image '.$w.'x'.$h, ['app' => 'core']); |
|
| 1191 | 1191 | return false; |
| 1192 | 1192 | } |
| 1193 | 1193 | return $process; |
@@ -1204,7 +1204,7 @@ discard block |
||
| 1204 | 1204 | */ |
| 1205 | 1205 | public function fitIn($maxWidth, $maxHeight) { |
| 1206 | 1206 | if (!$this->valid()) { |
| 1207 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1207 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1208 | 1208 | return false; |
| 1209 | 1209 | } |
| 1210 | 1210 | $widthOrig = imagesx($this->resource); |
@@ -1214,7 +1214,7 @@ discard block |
||
| 1214 | 1214 | $newWidth = min($maxWidth, $ratio * $maxHeight); |
| 1215 | 1215 | $newHeight = min($maxHeight, $maxWidth / $ratio); |
| 1216 | 1216 | |
| 1217 | - $this->preciseResize((int)round($newWidth), (int)round($newHeight)); |
|
| 1217 | + $this->preciseResize((int) round($newWidth), (int) round($newHeight)); |
|
| 1218 | 1218 | return true; |
| 1219 | 1219 | } |
| 1220 | 1220 | |
@@ -1227,7 +1227,7 @@ discard block |
||
| 1227 | 1227 | */ |
| 1228 | 1228 | public function scaleDownToFit($maxWidth, $maxHeight) { |
| 1229 | 1229 | if (!$this->valid()) { |
| 1230 | - $this->logger->error(__METHOD__ . '(): No image loaded', ['app' => 'core']); |
|
| 1230 | + $this->logger->error(__METHOD__.'(): No image loaded', ['app' => 'core']); |
|
| 1231 | 1231 | return false; |
| 1232 | 1232 | } |
| 1233 | 1233 | $widthOrig = imagesx($this->resource); |
@@ -1323,7 +1323,7 @@ discard block |
||
| 1323 | 1323 | } elseif ($bit == 32) { |
| 1324 | 1324 | $bit = 24; |
| 1325 | 1325 | } |
| 1326 | - $bits = (int)pow(2, $bit); |
|
| 1326 | + $bits = (int) pow(2, $bit); |
|
| 1327 | 1327 | imagetruecolortopalette($im, true, $bits); |
| 1328 | 1328 | $width = imagesx($im); |
| 1329 | 1329 | $height = imagesy($im); |
@@ -1332,7 +1332,7 @@ discard block |
||
| 1332 | 1332 | if ($bit <= 8) { |
| 1333 | 1333 | for ($i = 0; $i < $colorsNum; $i++) { |
| 1334 | 1334 | $colors = imagecolorsforindex($im, $i); |
| 1335 | - $rgbQuad .= chr($colors['blue']) . chr($colors['green']) . chr($colors['red']) . "\0"; |
|
| 1335 | + $rgbQuad .= chr($colors['blue']).chr($colors['green']).chr($colors['red'])."\0"; |
|
| 1336 | 1336 | } |
| 1337 | 1337 | $bmpData = ''; |
| 1338 | 1338 | if ($compression == 0 || $bit < 8) { |
@@ -1365,7 +1365,7 @@ discard block |
||
| 1365 | 1365 | $index = imagecolorat($im, $i, $j); |
| 1366 | 1366 | if ($index !== $lastIndex || $sameNum > 255) { |
| 1367 | 1367 | if ($sameNum != 0) { |
| 1368 | - $bmpData .= chr($sameNum) . chr($lastIndex); |
|
| 1368 | + $bmpData .= chr($sameNum).chr($lastIndex); |
|
| 1369 | 1369 | } |
| 1370 | 1370 | $lastIndex = $index; |
| 1371 | 1371 | $sameNum = 1; |
@@ -1406,15 +1406,15 @@ discard block |
||
| 1406 | 1406 | $sizeData = strlen($bmpData); |
| 1407 | 1407 | $colorsNum = 0; |
| 1408 | 1408 | } |
| 1409 | - $fileHeader = 'BM' . pack('V3', 54 + $sizeQuad + $sizeData, 0, 54 + $sizeQuad); |
|
| 1409 | + $fileHeader = 'BM'.pack('V3', 54 + $sizeQuad + $sizeData, 0, 54 + $sizeQuad); |
|
| 1410 | 1410 | $infoHeader = pack('V3v2V*', 0x28, $width, $height, 1, $bit, $compression, $sizeData, 0, 0, $colorsNum, 0); |
| 1411 | 1411 | if ($fileName != '') { |
| 1412 | 1412 | $fp = fopen($fileName, 'wb'); |
| 1413 | - fwrite($fp, $fileHeader . $infoHeader . $rgbQuad . $bmpData); |
|
| 1413 | + fwrite($fp, $fileHeader.$infoHeader.$rgbQuad.$bmpData); |
|
| 1414 | 1414 | fclose($fp); |
| 1415 | 1415 | return true; |
| 1416 | 1416 | } |
| 1417 | - echo $fileHeader . $infoHeader . $rgbQuad . $bmpData; |
|
| 1417 | + echo $fileHeader.$infoHeader.$rgbQuad.$bmpData; |
|
| 1418 | 1418 | return true; |
| 1419 | 1419 | } |
| 1420 | 1420 | } |
