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- <?php
- declare(strict_types=1);
- use OCP\IImage;
- class OC_Image implements \OCP\IImage {
-
- protected const DEFAULT_MEMORY_LIMIT = 256;
-
- protected const DEFAULT_JPEG_QUALITY = 80;
-
- protected $resource = false;
-
- protected $imageType = IMAGETYPE_PNG;
-
- protected $mimeType = 'image/png';
-
- protected $filePath = null;
-
- private $fileInfo;
-
- private $logger;
-
- private $config;
-
- private $exif;
-
- public function __construct($imageRef = null, \OCP\ILogger $logger = null, \OCP\IConfig $config = null) {
- $this->logger = $logger;
- if ($logger === null) {
- $this->logger = \OC::$server->getLogger();
- }
- $this->config = $config;
- if ($config === null) {
- $this->config = \OC::$server->getConfig();
- }
- if (\OC_Util::fileInfoLoaded()) {
- $this->fileInfo = new finfo(FILEINFO_MIME_TYPE);
- }
- if ($imageRef !== null) {
- 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.');
- }
- }
-
- public function valid(): bool {
- if ((is_resource($this->resource) && get_resource_type($this->resource) === 'gd') ||
- (is_object($this->resource) && get_class($this->resource) === \GdImage::class)) {
- return true;
- }
- return false;
- }
-
- public function mimeType(): ?string {
- return $this->valid() ? $this->mimeType : null;
- }
-
- public function width(): int {
- if ($this->valid()) {
- $width = imagesx($this->resource);
- if ($width !== false) {
- return $width;
- }
- }
- return -1;
- }
-
- public function height(): int {
- if ($this->valid()) {
- $height = imagesy($this->resource);
- if ($height !== false) {
- return $height;
- }
- }
- return -1;
- }
-
- public function widthTopLeft(): int {
- $o = $this->getOrientation();
- $this->logger->debug('OC_Image->widthTopLeft() Orientation: ' . $o, ['app' => 'core']);
- switch ($o) {
- case -1:
- case 1:
- case 2:
- case 3:
- case 4:
- return $this->width();
- case 5:
- case 6:
- case 7:
- case 8:
- return $this->height();
- }
- return $this->width();
- }
-
- public function heightTopLeft(): int {
- $o = $this->getOrientation();
- $this->logger->debug('OC_Image->heightTopLeft() Orientation: ' . $o, ['app' => 'core']);
- switch ($o) {
- case -1:
- case 1:
- case 2:
- case 3:
- case 4:
- return $this->height();
- case 5:
- case 6:
- case 7:
- case 8:
- return $this->width();
- }
- return $this->height();
- }
-
- public function show(string $mimeType = null): bool {
- if ($mimeType === null) {
- $mimeType = $this->mimeType();
- }
- header('Content-Type: ' . $mimeType);
- return $this->_output(null, $mimeType);
- }
-
- public function save(?string $filePath = null, ?string $mimeType = null): bool {
- if ($mimeType === null) {
- $mimeType = $this->mimeType();
- }
- if ($filePath === null) {
- if ($this->filePath === null) {
- $this->logger->error(__METHOD__ . '(): called with no path.', ['app' => 'core']);
- return false;
- } else {
- $filePath = $this->filePath;
- }
- }
- return $this->_output($filePath, $mimeType);
- }
-
- private function _output(?string $filePath = null, ?string $mimeType = null): bool {
- if ($filePath) {
- if (!file_exists(dirname($filePath))) {
- mkdir(dirname($filePath), 0777, true);
- }
- $isWritable = is_writable(dirname($filePath));
- if (!$isWritable) {
- $this->logger->error(__METHOD__ . '(): Directory \'' . dirname($filePath) . '\' is not writable.', ['app' => 'core']);
- return false;
- } elseif (file_exists($filePath) && !is_writable($filePath)) {
- $this->logger->error(__METHOD__ . '(): File \'' . $filePath . '\' is not writable.', ['app' => 'core']);
- return false;
- }
- }
- if (!$this->valid()) {
- return false;
- }
- $imageType = $this->imageType;
- if ($mimeType !== null) {
- switch ($mimeType) {
- case 'image/gif':
- $imageType = IMAGETYPE_GIF;
- break;
- case 'image/jpeg':
- $imageType = IMAGETYPE_JPEG;
- break;
- case 'image/png':
- $imageType = IMAGETYPE_PNG;
- break;
- case 'image/x-xbitmap':
- $imageType = IMAGETYPE_XBM;
- break;
- case 'image/bmp':
- case 'image/x-ms-bmp':
- $imageType = IMAGETYPE_BMP;
- break;
- default:
- throw new Exception('\OC_Image::_output(): "' . $mimeType . '" is not supported when forcing a specific output format');
- }
- }
- switch ($imageType) {
- case IMAGETYPE_GIF:
- $retVal = imagegif($this->resource, $filePath);
- break;
- case IMAGETYPE_JPEG:
-
- imageinterlace($this->resource, (PHP_VERSION_ID >= 80000 ? true : 1));
- $retVal = imagejpeg($this->resource, $filePath, $this->getJpegQuality());
- break;
- case IMAGETYPE_PNG:
- $retVal = imagepng($this->resource, $filePath);
- break;
- case IMAGETYPE_XBM:
- if (function_exists('imagexbm')) {
- $retVal = imagexbm($this->resource, $filePath);
- } else {
- throw new Exception('\OC_Image::_output(): imagexbm() is not supported.');
- }
- break;
- case IMAGETYPE_WBMP:
- $retVal = imagewbmp($this->resource, $filePath);
- break;
- case IMAGETYPE_BMP:
- $retVal = imagebmp($this->resource, $filePath);
- break;
- default:
- $retVal = imagepng($this->resource, $filePath);
- }
- return $retVal;
- }
-
- public function __invoke() {
- return $this->show();
- }
-
- public function setResource($resource) {
-
- if (is_resource($resource) && get_resource_type($resource) === 'gd') {
- $this->resource = $resource;
- return;
- }
-
- if (is_object($resource) && get_class($resource) === \GdImage::class) {
- $this->resource = $resource;
- return;
- }
- throw new \InvalidArgumentException('Supplied resource is not of type "gd".');
- }
-
- public function resource() {
- return $this->resource;
- }
-
- public function dataMimeType(): ?string {
- if (!$this->valid()) {
- return null;
- }
- switch ($this->mimeType) {
- case 'image/png':
- case 'image/jpeg':
- case 'image/gif':
- return $this->mimeType;
- default:
- return 'image/png';
- }
- }
-
- public function data(): ?string {
- if (!$this->valid()) {
- return null;
- }
- ob_start();
- switch ($this->mimeType) {
- case "image/png":
- $res = imagepng($this->resource);
- break;
- case "image/jpeg":
-
- imageinterlace($this->resource, (PHP_VERSION_ID >= 80000 ? true : 1));
- $quality = $this->getJpegQuality();
- $res = imagejpeg($this->resource, null, $quality);
- break;
- case "image/gif":
- $res = imagegif($this->resource);
- break;
- default:
- $res = imagepng($this->resource);
- $this->logger->info('OC_Image->data. Could not guess mime-type, defaulting to png', ['app' => 'core']);
- break;
- }
- if (!$res) {
- $this->logger->error('OC_Image->data. Error getting image data.', ['app' => 'core']);
- }
- return ob_get_clean();
- }
-
- public function __toString() {
- return base64_encode($this->data());
- }
-
- protected function getJpegQuality(): int {
- $quality = $this->config->getAppValue('preview', 'jpeg_quality', (string) self::DEFAULT_JPEG_QUALITY);
-
- if ($quality === null) {
- $quality = self::DEFAULT_JPEG_QUALITY;
- }
- return min(100, max(10, (int) $quality));
- }
-
- public function getOrientation(): int {
- if ($this->exif !== null) {
- return $this->exif['Orientation'];
- }
- if ($this->imageType !== IMAGETYPE_JPEG) {
- $this->logger->debug('OC_Image->fixOrientation() Image is not a JPEG.', ['app' => 'core']);
- return -1;
- }
- if (!is_callable('exif_read_data')) {
- $this->logger->debug('OC_Image->fixOrientation() Exif module not enabled.', ['app' => 'core']);
- return -1;
- }
- if (!$this->valid()) {
- $this->logger->debug('OC_Image->fixOrientation() No image loaded.', ['app' => 'core']);
- return -1;
- }
- if (is_null($this->filePath) || !is_readable($this->filePath)) {
- $this->logger->debug('OC_Image->fixOrientation() No readable file path set.', ['app' => 'core']);
- return -1;
- }
- $exif = @exif_read_data($this->filePath, 'IFD0');
- if (!$exif) {
- return -1;
- }
- if (!isset($exif['Orientation'])) {
- return -1;
- }
- $this->exif = $exif;
- return $exif['Orientation'];
- }
- public function readExif($data): void {
- if (!is_callable('exif_read_data')) {
- $this->logger->debug('OC_Image->fixOrientation() Exif module not enabled.', ['app' => 'core']);
- return;
- }
- if (!$this->valid()) {
- $this->logger->debug('OC_Image->fixOrientation() No image loaded.', ['app' => 'core']);
- return;
- }
- $exif = @exif_read_data('data://image/jpeg;base64,' . base64_encode($data));
- if (!$exif) {
- return;
- }
- if (!isset($exif['Orientation'])) {
- return;
- }
- $this->exif = $exif;
- }
-
- public function fixOrientation(): bool {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $o = $this->getOrientation();
- $this->logger->debug('OC_Image->fixOrientation() Orientation: ' . $o, ['app' => 'core']);
- $rotate = 0;
- $flip = false;
- switch ($o) {
- case -1:
- return false;
- case 1:
- $rotate = 0;
- break;
- case 2:
- $rotate = 0;
- $flip = true;
- break;
- case 3:
- $rotate = 180;
- break;
- case 4:
- $rotate = 180;
- $flip = true;
- break;
- case 5:
- $rotate = 90;
- $flip = true;
- break;
- case 6:
- $rotate = 270;
- break;
- case 7:
- $rotate = 270;
- $flip = true;
- break;
- case 8:
- $rotate = 90;
- break;
- }
- if ($flip && function_exists('imageflip')) {
- imageflip($this->resource, IMG_FLIP_HORIZONTAL);
- }
- if ($rotate) {
- $res = imagerotate($this->resource, $rotate, 0);
- if ($res) {
- if (imagealphablending($res, true)) {
- if (imagesavealpha($res, true)) {
- imagedestroy($this->resource);
- $this->resource = $res;
- return true;
- } else {
- $this->logger->debug('OC_Image->fixOrientation() Error during alpha-saving', ['app' => 'core']);
- return false;
- }
- } else {
- $this->logger->debug('OC_Image->fixOrientation() Error during alpha-blending', ['app' => 'core']);
- return false;
- }
- } else {
- $this->logger->debug('OC_Image->fixOrientation() Error during orientation fixing', ['app' => 'core']);
- return false;
- }
- }
- return false;
- }
-
- public function loadFromFileHandle($handle) {
- $contents = stream_get_contents($handle);
- if ($this->loadFromData($contents)) {
- return $this->resource;
- }
- return false;
- }
-
- private function checkImageMemory($width, $height) {
- $memory_limit = $this->config->getSystemValueInt('preview_max_memory', self::DEFAULT_MEMORY_LIMIT);
- if ($memory_limit < 0) {
-
- return true;
- }
-
- if ($width * $height * 4 > $memory_limit * 1024 * 1024) {
- $this->logger->info('Image size of ' . $width . 'x' . $height . ' would exceed allowed memory limit of ' . $memory_limit . '. You may increase the preview_max_memory in your config.php if you need previews of this image.');
- return false;
- }
- return true;
- }
-
- private function checkImageSize($path) {
- $size = @getimagesize($path);
- if (!$size) {
- return true;
- }
- $width = $size[0];
- $height = $size[1];
- if (!$this->checkImageMemory($width, $height)) {
- return false;
- }
- return true;
- }
-
- private function checkImageDataSize($data) {
- $size = @getimagesizefromstring($data);
- if (!$size) {
- return true;
- }
- $width = $size[0];
- $height = $size[1];
- if (!$this->checkImageMemory($width, $height)) {
- return false;
- }
- return true;
- }
-
- public function loadFromFile($imagePath = false) {
-
- if (is_bool($imagePath) || !@is_file($imagePath) || !file_exists($imagePath) || filesize($imagePath) < 12 || !is_readable($imagePath)) {
- return false;
- }
- $iType = exif_imagetype($imagePath);
- switch ($iType) {
- case IMAGETYPE_GIF:
- if (imagetypes() & IMG_GIF) {
- if (!$this->checkImageSize($imagePath)) {
- return false;
- }
- $this->resource = imagecreatefromgif($imagePath);
- if ($this->resource) {
-
- imagealphablending($this->resource, true);
- imagesavealpha($this->resource, true);
- } else {
- $this->logger->debug('OC_Image->loadFromFile, GIF image not valid: ' . $imagePath, ['app' => 'core']);
- }
- } else {
- $this->logger->debug('OC_Image->loadFromFile, GIF images not supported: ' . $imagePath, ['app' => 'core']);
- }
- break;
- case IMAGETYPE_JPEG:
- if (imagetypes() & IMG_JPG) {
- if (!$this->checkImageSize($imagePath)) {
- return false;
- }
- if (getimagesize($imagePath) !== false) {
- $this->resource = @imagecreatefromjpeg($imagePath);
- } else {
- $this->logger->debug('OC_Image->loadFromFile, JPG image not valid: ' . $imagePath, ['app' => 'core']);
- }
- } else {
- $this->logger->debug('OC_Image->loadFromFile, JPG images not supported: ' . $imagePath, ['app' => 'core']);
- }
- break;
- case IMAGETYPE_PNG:
- if (imagetypes() & IMG_PNG) {
- if (!$this->checkImageSize($imagePath)) {
- return false;
- }
- $this->resource = @imagecreatefrompng($imagePath);
- if ($this->resource) {
-
- imagealphablending($this->resource, true);
- imagesavealpha($this->resource, true);
- } else {
- $this->logger->debug('OC_Image->loadFromFile, PNG image not valid: ' . $imagePath, ['app' => 'core']);
- }
- } else {
- $this->logger->debug('OC_Image->loadFromFile, PNG images not supported: ' . $imagePath, ['app' => 'core']);
- }
- break;
- case IMAGETYPE_XBM:
- if (imagetypes() & IMG_XPM) {
- if (!$this->checkImageSize($imagePath)) {
- return false;
- }
- $this->resource = @imagecreatefromxbm($imagePath);
- } else {
- $this->logger->debug('OC_Image->loadFromFile, XBM/XPM images not supported: ' . $imagePath, ['app' => 'core']);
- }
- break;
- case IMAGETYPE_WBMP:
- if (imagetypes() & IMG_WBMP) {
- if (!$this->checkImageSize($imagePath)) {
- return false;
- }
- $this->resource = @imagecreatefromwbmp($imagePath);
- } else {
- $this->logger->debug('OC_Image->loadFromFile, WBMP images not supported: ' . $imagePath, ['app' => 'core']);
- }
- break;
- case IMAGETYPE_BMP:
- $this->resource = imagecreatefrombmp($imagePath);
- break;
- case IMAGETYPE_WEBP:
- if (imagetypes() & IMG_WEBP) {
- if (!$this->checkImageSize($imagePath)) {
- return false;
- }
- $this->resource = @imagecreatefromwebp($imagePath);
- } else {
- $this->logger->debug('OC_Image->loadFromFile, webp images not supported: ' . $imagePath, ['app' => 'core']);
- }
- break;
-
- default:
-
- $data = file_get_contents($imagePath);
- if (!$this->checkImageDataSize($data)) {
- return false;
- }
- $this->resource = imagecreatefromstring($data);
- $iType = IMAGETYPE_PNG;
- $this->logger->debug('OC_Image->loadFromFile, Default', ['app' => 'core']);
- break;
- }
- if ($this->valid()) {
- $this->imageType = $iType;
- $this->mimeType = image_type_to_mime_type($iType);
- $this->filePath = $imagePath;
- }
- return $this->resource;
- }
-
- public function loadFromData(string $str) {
- if (!$this->checkImageDataSize($str)) {
- return false;
- }
- $this->resource = @imagecreatefromstring($str);
- if ($this->fileInfo) {
- $this->mimeType = $this->fileInfo->buffer($str);
- }
- if ($this->valid()) {
- imagealphablending($this->resource, false);
- imagesavealpha($this->resource, true);
- }
- if (!$this->resource) {
- $this->logger->debug('OC_Image->loadFromFile, could not load', ['app' => 'core']);
- return false;
- }
- return $this->resource;
- }
-
- public function loadFromBase64(string $str) {
- $data = base64_decode($str);
- if ($data) {
- if (!$this->checkImageDataSize($data)) {
- return false;
- }
- $this->resource = @imagecreatefromstring($data);
- if ($this->fileInfo) {
- $this->mimeType = $this->fileInfo->buffer($data);
- }
- if (!$this->resource) {
- $this->logger->debug('OC_Image->loadFromBase64, could not load', ['app' => 'core']);
- return false;
- }
- return $this->resource;
- } else {
- return false;
- }
- }
-
- public function resize(int $maxSize): bool {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $result = $this->resizeNew($maxSize);
- imagedestroy($this->resource);
- $this->resource = $result;
- return $this->valid();
- }
-
- private function resizeNew(int $maxSize) {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $widthOrig = imagesx($this->resource);
- $heightOrig = imagesy($this->resource);
- $ratioOrig = $widthOrig / $heightOrig;
- if ($ratioOrig > 1) {
- $newHeight = round($maxSize / $ratioOrig);
- $newWidth = $maxSize;
- } else {
- $newWidth = round($maxSize * $ratioOrig);
- $newHeight = $maxSize;
- }
- return $this->preciseResizeNew((int)round($newWidth), (int)round($newHeight));
- }
-
- public function preciseResize(int $width, int $height): bool {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $result = $this->preciseResizeNew($width, $height);
- imagedestroy($this->resource);
- $this->resource = $result;
- return $this->valid();
- }
-
- public function preciseResizeNew(int $width, int $height) {
- if (!($width > 0) || !($height > 0)) {
- $this->logger->info(__METHOD__ . '(): Requested image size not bigger than 0', ['app' => 'core']);
- return false;
- }
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $widthOrig = imagesx($this->resource);
- $heightOrig = imagesy($this->resource);
- $process = imagecreatetruecolor($width, $height);
- if ($process === false) {
- $this->logger->debug(__METHOD__ . '(): Error creating true color image', ['app' => 'core']);
- return false;
- }
-
- if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) {
- imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127));
- imagealphablending($process, false);
- imagesavealpha($process, true);
- }
- $res = imagecopyresampled($process, $this->resource, 0, 0, 0, 0, $width, $height, $widthOrig, $heightOrig);
- if ($res === false) {
- $this->logger->debug(__METHOD__ . '(): Error re-sampling process image', ['app' => 'core']);
- imagedestroy($process);
- return false;
- }
- return $process;
- }
-
- public function centerCrop(int $size = 0): bool {
- if (!$this->valid()) {
- $this->logger->debug('OC_Image->centerCrop, No image loaded', ['app' => 'core']);
- return false;
- }
- $widthOrig = imagesx($this->resource);
- $heightOrig = imagesy($this->resource);
- if ($widthOrig === $heightOrig and $size == 0) {
- return true;
- }
- $ratioOrig = $widthOrig / $heightOrig;
- $width = $height = min($widthOrig, $heightOrig);
- if ($ratioOrig > 1) {
- $x = (int) (($widthOrig / 2) - ($width / 2));
- $y = 0;
- } else {
- $y = (int) (($heightOrig / 2) - ($height / 2));
- $x = 0;
- }
- if ($size > 0) {
- $targetWidth = $size;
- $targetHeight = $size;
- } else {
- $targetWidth = $width;
- $targetHeight = $height;
- }
- $process = imagecreatetruecolor($targetWidth, $targetHeight);
- if ($process === false) {
- $this->logger->debug('OC_Image->centerCrop, Error creating true color image', ['app' => 'core']);
- return false;
- }
-
- if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) {
- imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127));
- imagealphablending($process, false);
- imagesavealpha($process, true);
- }
- imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $targetWidth, $targetHeight, $width, $height);
- if ($process === false) {
- $this->logger->debug('OC_Image->centerCrop, Error re-sampling process image ' . $width . 'x' . $height, ['app' => 'core']);
- return false;
- }
- imagedestroy($this->resource);
- $this->resource = $process;
- return true;
- }
-
- public function crop(int $x, int $y, int $w, int $h): bool {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $result = $this->cropNew($x, $y, $w, $h);
- imagedestroy($this->resource);
- $this->resource = $result;
- return $this->valid();
- }
-
- public function cropNew(int $x, int $y, int $w, int $h) {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $process = imagecreatetruecolor($w, $h);
- if ($process === false) {
- $this->logger->debug(__METHOD__ . '(): Error creating true color image', ['app' => 'core']);
- return false;
- }
-
- if ($this->imageType == IMAGETYPE_GIF or $this->imageType == IMAGETYPE_PNG) {
- imagecolortransparent($process, imagecolorallocatealpha($process, 0, 0, 0, 127));
- imagealphablending($process, false);
- imagesavealpha($process, true);
- }
- imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $w, $h, $w, $h);
- if ($process === false) {
- $this->logger->debug(__METHOD__ . '(): Error re-sampling process image ' . $w . 'x' . $h, ['app' => 'core']);
- return false;
- }
- return $process;
- }
-
- public function fitIn(int $maxWidth, int $maxHeight): bool {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $widthOrig = imagesx($this->resource);
- $heightOrig = imagesy($this->resource);
- $ratio = $widthOrig / $heightOrig;
- $newWidth = min($maxWidth, $ratio * $maxHeight);
- $newHeight = min($maxHeight, $maxWidth / $ratio);
- $this->preciseResize((int)round($newWidth), (int)round($newHeight));
- return true;
- }
-
- public function scaleDownToFit(int $maxWidth, int $maxHeight): bool {
- if (!$this->valid()) {
- $this->logger->debug(__METHOD__ . '(): No image loaded', ['app' => 'core']);
- return false;
- }
- $widthOrig = imagesx($this->resource);
- $heightOrig = imagesy($this->resource);
- if ($widthOrig > $maxWidth || $heightOrig > $maxHeight) {
- return $this->fitIn($maxWidth, $maxHeight);
- }
- return false;
- }
- public function copy(): IImage {
- $image = new OC_Image(null, $this->logger, $this->config);
- $image->resource = imagecreatetruecolor($this->width(), $this->height());
- imagecopy(
- $image->resource(),
- $this->resource(),
- 0,
- 0,
- 0,
- 0,
- $this->width(),
- $this->height()
- );
- return $image;
- }
- public function cropCopy(int $x, int $y, int $w, int $h): IImage {
- $image = new OC_Image(null, $this->logger, $this->config);
- $image->imageType = $this->imageType;
- $image->mimeType = $this->mimeType;
- $image->resource = $this->cropNew($x, $y, $w, $h);
- return $image;
- }
- public function preciseResizeCopy(int $width, int $height): IImage {
- $image = new OC_Image(null, $this->logger, $this->config);
- $image->imageType = $this->imageType;
- $image->mimeType = $this->mimeType;
- $image->resource = $this->preciseResizeNew($width, $height);
- return $image;
- }
- public function resizeCopy(int $maxSize): IImage {
- $image = new OC_Image(null, $this->logger, $this->config);
- $image->imageType = $this->imageType;
- $image->mimeType = $this->mimeType;
- $image->resource = $this->resizeNew($maxSize);
- return $image;
- }
-
- public function destroy(): void {
- if ($this->valid()) {
- imagedestroy($this->resource);
- }
- $this->resource = false;
- }
- public function __destruct() {
- $this->destroy();
- }
- }
- if (!function_exists('exif_imagetype')) {
-
- function exif_imagetype(string $fileName) {
- if (($info = getimagesize($fileName)) !== false) {
- return $info[2];
- }
- return false;
- }
- }
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