PHP JImage::isLoaded方法代码示例

 public static function createThumb($path, $width = 100, $height = 100, $crop = 2)
 {
     $myImage = new JImage();
     $myImage->loadFile(JPATH_SITE . DS . $path);
     if ($myImage->isLoaded()) {
         // $filename = end(explode('/', $path));
         $filename = JFile::getName($path);
         $filefolder = substr(md5(self::getFolderPath($path)), 1, 10);
         $newfilename = $width . 'x' . $height . '_' . $filefolder . '_' . JFile::makeSafe($filename);
         $fileExists = JFile::exists(JPATH_CACHE . '/' . $newfilename);
         if (!$fileExists) {
             $resizedImage = $myImage->resize($width, $height, true, $crop);
             $properties = $myImage->getImageFileProperties($path);
             $mime = $properties->mime;
             if ($mime == 'image/jpeg') {
                 $type = IMAGETYPE_JPEG;
             } elseif ($mime = 'image/png') {
                 $type = IMAGETYPE_PNG;
             } elseif ($mime = 'image/gif') {
                 $type = IMAGETYPE_GIF;
             }
             $resizedImage->toFile(JPATH_CACHE . '/' . $newfilename, $type);
         }
         return $newfilename;
     } else {
         return "My file is not loaded";
     }
 }

 /**
  * Create a thumbnail from an image file.
  *
  * <code>
  * $myFile   = "/tmp/myfile.jpg";
  *
  * $options = array(
  *     "destination" => "image/mypic.jpg",
  *     "width" => 200,
  *     "height" => 200,
  *     "scale" => JImage::SCALE_INSIDE
  * );
  *
  * $file = new PrismFileImage($myFile);
  * $file->createThumbnail($options);
  *
  * </code>
  *
  * @param  array $options Some options used in the process of generating thumbnail.
  *
  * @throws \InvalidArgumentException
  * @throws \RuntimeException
  *
  * @return string A location to the new file.
  */
 public function createThumbnail($options)
 {
     $width = ArrayHelper::getValue($options, "width", 100);
     $height = ArrayHelper::getValue($options, "height", 100);
     $scale = ArrayHelper::getValue($options, "scale", \JImage::SCALE_INSIDE);
     $destination = ArrayHelper::getValue($options, "destination");
     if (!$destination) {
         throw new \InvalidArgumentException(\JText::_("LIB_PRISM_ERROR_INVALID_FILE_DESTINATION"));
     }
     // Generate thumbnail.
     $image = new \JImage();
     $image->loadFile($this->file);
     if (!$image->isLoaded()) {
         throw new \RuntimeException(\JText::sprintf('LIB_PRISM_ERROR_FILE_NOT_FOUND', $this->file));
     }
     // Resize the file as a new object
     $thumb = $image->resize($width, $height, true, $scale);
     $fileName = basename($this->file);
     $ext = \JString::strtolower(\JFile::getExt(\JFile::makeSafe($fileName)));
     switch ($ext) {
         case "gif":
             $type = IMAGETYPE_GIF;
             break;
         case "png":
             $type = IMAGETYPE_PNG;
             break;
         case IMAGETYPE_JPEG:
         default:
             $type = IMAGETYPE_JPEG;
     }
     $thumb->toFile($destination, $type);
     return $destination;
 }

 public static function getProportion($path)
 {
     $myImage = new JImage();
     $imgPath = JPATH_SITE . DS . $path;
     $myImage->loadFile($imgPath);
     if ($myImage->isLoaded()) {
         $properties = $myImage->getImageFileProperties($imgPath);
         return $properties->height / $properties->width * 100;
     } else {
         return;
     }
 }

 public static function createThumb($path, $width = 100, $height = 100, $crop = 2, $cachefolder = 'hgimages', $external = 0)
 {
     $myImage = new JImage();
     if (!$external) {
         $myImage->loadFile(JPATH_SITE . DS . $path);
     } else {
         $myImage->loadFile($path);
     }
     if ($myImage->isLoaded()) {
         // $filename = end(explode('/', $path));
         $filename = JFile::getName($path);
         $filefolder = substr(md5(self::getFolderPath($path)), 1, 10);
         $newfilename = $width . 'x' . $height . 'x' . $crop . '_' . $filefolder . '_' . JFile::makeSafe($filename);
         $hgimages = JPATH_CACHE . '/' . $cachefolder . '/';
         if (!JFolder::exists($hgimages)) {
             JFolder::create($hgimages);
         }
         $fileExists = JFile::exists($hgimages . $newfilename);
         if (!$fileExists) {
             switch ($crop) {
                 // Case for self::CROP
                 case 4:
                     $resizedImage = $myImage->crop($width, $height, null, null, true);
                     break;
                     // Case for self::CROP_RESIZE
                 // Case for self::CROP_RESIZE
                 case 5:
                     $resizedImage = $myImage->cropResize($width, $height, true);
                     break;
                 default:
                     $resizedImage = $myImage->resize($width, $height, true, $crop);
                     break;
             }
             $properties = $myImage->getImageFileProperties($path);
             $mime = $properties->mime;
             if ($mime == 'image/jpeg') {
                 $type = IMAGETYPE_JPEG;
             } elseif ($mime = 'image/png') {
                 $type = IMAGETYPE_PNG;
             } elseif ($mime = 'image/gif') {
                 $type = IMAGETYPE_GIF;
             }
             $resizedImage->toFile($hgimages . $newfilename, $type);
         }
         return $newfilename;
     } else {
         return "My file is not loaded";
     }
 }

 public function onMediaEditorProcess($filePath)
 {
     jimport('joomla.filesystem.file');
     $image = new JImage($filePath);
     if ($image->isLoaded() == false) {
         throw new LogicException('Failed to load image');
     }
     $image->rotate(180, 0, false);
     $extension = JFile::getExt($filePath);
     if (in_array($extension, array('png', 'gif'))) {
         $imageType = $extension;
     } else {
         $imageType = 'jpg';
     }
     $image->toFile($filePath, $imageType);
 }

 /**
  * Crop the image and generates smaller ones.
  *
  * @param string $file
  * @param array $options
  *
  * @throws Exception
  *
  * @return array
  */
 public function cropImage($file, $options)
 {
     // Resize image
     $image = new JImage();
     $image->loadFile($file);
     if (!$image->isLoaded()) {
         throw new Exception(JText::sprintf('COM_CROWDFUNDING_ERROR_FILE_NOT_FOUND', $file));
     }
     $destinationFolder = Joomla\Utilities\ArrayHelper::getValue($options, "destination");
     // Generate temporary file name
     $generatedName = new Prism\String();
     $generatedName->generateRandomString(32);
     $imageName = $generatedName . "_image.png";
     $smallName = $generatedName . "_small.png";
     $squareName = $generatedName . "_square.png";
     $imageFile = $destinationFolder . DIRECTORY_SEPARATOR . $imageName;
     $smallFile = $destinationFolder . DIRECTORY_SEPARATOR . $smallName;
     $squareFile = $destinationFolder . DIRECTORY_SEPARATOR . $squareName;
     // Create main image
     $width = Joomla\Utilities\ArrayHelper::getValue($options, "width", 200);
     $width = $width < 25 ? 50 : $width;
     $height = Joomla\Utilities\ArrayHelper::getValue($options, "height", 200);
     $height = $height < 25 ? 50 : $height;
     $left = Joomla\Utilities\ArrayHelper::getValue($options, "x", 0);
     $top = Joomla\Utilities\ArrayHelper::getValue($options, "y", 0);
     $image->crop($width, $height, $left, $top, false);
     // Resize to general size.
     $width = Joomla\Utilities\ArrayHelper::getValue($options, "resize_width", 200);
     $width = $width < 25 ? 50 : $width;
     $height = Joomla\Utilities\ArrayHelper::getValue($options, "resize_height", 200);
     $height = $height < 25 ? 50 : $height;
     $image->resize($width, $height, false);
     // Store to file.
     $image->toFile($imageFile, IMAGETYPE_PNG);
     // Load parameters.
     $params = JComponentHelper::getParams($this->option);
     /** @var  $params Joomla\Registry\Registry */
     // Create small image
     $width = $params->get("image_small_width", 100);
     $height = $params->get("image_small_height", 100);
     $image->resize($width, $height, false);
     $image->toFile($smallFile, IMAGETYPE_PNG);
     // Create square image
     $width = $params->get("image_square_width", 50);
     $height = $params->get("image_square_height", 50);
     $image->resize($width, $height, false);
     $image->toFile($squareFile, IMAGETYPE_PNG);
     $names = array("image" => $imageName, "image_small" => $smallName, "image_square" => $squareName);
     // Remove the temporary file.
     if (is_file($file)) {
         JFile::delete($file);
     }
     return $names;
 }

 /**
  * Upload a pitch image.
  *
  * @param  array $image
  *
  * @throws Exception
  *
  * @return array
  */
 public function uploadPitchImage($image)
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     $uploadedFile = JArrayHelper::getValue($image, 'tmp_name');
     $uploadedName = JArrayHelper::getValue($image, 'name');
     $errorCode = JArrayHelper::getValue($image, 'error');
     // Load parameters.
     $params = JComponentHelper::getParams($this->option);
     /** @var  $params Joomla\Registry\Registry */
     $destFolder = JPath::clean(JPATH_ROOT . DIRECTORY_SEPARATOR . $params->get("images_directory", "images/crowdfunding"));
     $tmpFolder = $app->get("tmp_path");
     // Joomla! media extension parameters
     $mediaParams = JComponentHelper::getParams("com_media");
     /** @var  $mediaParams Joomla\Registry\Registry */
     jimport("itprism.file");
     jimport("itprism.file.uploader.local");
     jimport("itprism.file.validator.size");
     jimport("itprism.file.validator.image");
     jimport("itprism.file.validator.server");
     $file = new ITPrismFile();
     // Prepare size validator.
     $KB = 1024 * 1024;
     $fileSize = (int) $app->input->server->get('CONTENT_LENGTH');
     $uploadMaxSize = $mediaParams->get("upload_maxsize") * $KB;
     $sizeValidator = new ITPrismFileValidatorSize($fileSize, $uploadMaxSize);
     // Prepare server validator.
     $serverValidator = new ITPrismFileValidatorServer($errorCode, array(UPLOAD_ERR_NO_FILE));
     // Prepare image validator.
     $imageValidator = new ITPrismFileValidatorImage($uploadedFile, $uploadedName);
     // Get allowed mime types from media manager options
     $mimeTypes = explode(",", $mediaParams->get("upload_mime"));
     $imageValidator->setMimeTypes($mimeTypes);
     // Get allowed image extensions from media manager options
     $imageExtensions = explode(",", $mediaParams->get("image_extensions"));
     $imageValidator->setImageExtensions($imageExtensions);
     $file->addValidator($sizeValidator)->addValidator($imageValidator)->addValidator($serverValidator);
     // Validate the file
     if (!$file->isValid()) {
         throw new RuntimeException($file->getError());
     }
     // Generate temporary file name
     $ext = JString::strtolower(JFile::makeSafe(JFile::getExt($image['name'])));
     jimport("itprism.string");
     $generatedName = new ITPrismString();
     $generatedName->generateRandomString(32);
     $tmpDestFile = $tmpFolder . DIRECTORY_SEPARATOR . $generatedName . "." . $ext;
     // Prepare uploader object.
     $uploader = new ITPrismFileUploaderLocal($uploadedFile);
     $uploader->setDestination($tmpDestFile);
     // Upload temporary file
     $file->setUploader($uploader);
     $file->upload();
     // Get file
     $tmpDestFile = $file->getFile();
     if (!is_file($tmpDestFile)) {
         throw new Exception('COM_CROWDFUNDING_ERROR_FILE_CANT_BE_UPLOADED');
     }
     // Resize image
     $image = new JImage();
     $image->loadFile($tmpDestFile);
     if (!$image->isLoaded()) {
         throw new Exception(JText::sprintf('COM_CROWDFUNDING_ERROR_FILE_NOT_FOUND', $tmpDestFile));
     }
     $imageName = $generatedName . "_pimage.png";
     $imageFile = JPath::clean($destFolder . DIRECTORY_SEPARATOR . $imageName);
     // Create main image
     $width = $params->get("pitch_image_width", 600);
     $height = $params->get("pitch_image_height", 400);
     $image->resize($width, $height, false);
     $image->toFile($imageFile, IMAGETYPE_PNG);
     // Remove the temporary
     if (is_file($tmpDestFile)) {
         JFile::delete($tmpDestFile);
     }
     return $imageName;
 }

 /**
  * Generate the file preview. U
  */
 private function _generatePreview()
 {
     // Create thumbnail (for jpeg) if there is none
     $supportedImageMine = array('image/png', 'image/jpeg');
     if (in_array($this->mimetype, $supportedImageMine)) {
         jimport('joomla.image');
         require_once JPATH_ROOT . DS . 'libraries' . DS . 'joomla' . DS . 'image' . DS . 'filters' . DS . 'sharpen.php';
         $image = new JImage(JPATH_ROOT . DS . $this->path);
         if (!$image->isLoaded()) {
             return false;
         }
         $pathinfo = pathinfo($this->path);
         $width = $image->getWidth();
         $height = $image->getHeight();
         // Generate preview
         if ($width > 640) {
             $height = 640 / $width * $height;
             $width = 640;
         }
         if ($height > 640) {
             $width = 640 / $height * $width;
             $height = 640;
         }
         // Resize for preview
         $image = $image->resize($width, $height);
         $previewPath = JPATH_ROOT . DS . $pathinfo['dirname'] . DS . $pathinfo['filename'] . '_preview.jpg';
         $image->filter('sharpen');
         $image->toFile($previewPath, IMAGETYPE_JPEG, array('quality' => 90));
         // crop them to predefined aspect ratio if necessary
         // and the resize them
         if ($width / $height > 1.3) {
             $image = $image->crop($height * 1.3, $height, ($width - $height * 1.3) / 2, 0);
             $image = $image->resize(StreamTableFile::PHOTO_THUMB_WIDTH, StreamTableFile::PHOTO_THUMB_HEIGHT);
         } elseif ($height / $width > 1.3) {
             $image = $image->crop($width, $width * 1.3, 0, $height - $width * 1.3);
             $image = $image->resize(StreamTableFile::PHOTO_THUMB_HEIGHT, StreamTableFile::PHOTO_THUMB_WIDTH);
         } else {
             $image = $image->resize(StreamTableFile::PHOTO_THUMB_WIDTH, StreamTableFile::PHOTO_THUMB_WIDTH);
         }
         $thumbPath = JPATH_ROOT . DS . $pathinfo['dirname'] . DS . $pathinfo['filename'] . '_thumb.jpg';
         $image->toFile($thumbPath, IMAGETYPE_JPEG, array('quality' => 100));
         if (JFile::exists($thumbPath)) {
             $this->setParam('has_preview', true);
             $this->setParam('thumb_path', $pathinfo['dirname'] . DS . $pathinfo['filename'] . '_thumb.jpg');
             $this->setParam('preview_path', $pathinfo['dirname'] . DS . $pathinfo['filename'] . '_preview.jpg');
             $this->setParam('width', $width);
             $this->setParam('height', $height);
         }
     } else {
         $this->setParam('has_preview', false);
         $this->setParam('thumb_path', '');
         $this->setParam('preview_path', '');
         $this->setParam('width', '');
         $this->setParam('height', '');
     }
 }

 /**
  * Store the file in a folder of the extension.
  *
  * @param array $image
  * @param bool $resizeImage
  *
  * @throws \RuntimeException
  * @throws \Exception
  * @throws \InvalidArgumentException
  *
  * @return array
  */
 public function uploadImage($image, $resizeImage = false)
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     $uploadedFile = ArrayHelper::getValue($image, 'tmp_name');
     $uploadedName = ArrayHelper::getValue($image, 'name');
     $errorCode = ArrayHelper::getValue($image, 'error');
     $params = JComponentHelper::getParams($this->option);
     /** @var  $params Joomla\Registry\Registry */
     $filesystemHelper = new Prism\Filesystem\Helper($params);
     $mediaFolder = $filesystemHelper->getMediaFolder();
     $destinationFolder = JPath::clean(JPATH_ROOT . DIRECTORY_SEPARATOR . $mediaFolder);
     $temporaryFolder = $app->get('tmp_path');
     // Joomla! media extension parameters
     $mediaParams = JComponentHelper::getParams('com_media');
     /** @var $mediaParams Joomla\Registry\Registry */
     $file = new Prism\File\File();
     // Prepare size validator.
     $KB = 1024 * 1024;
     $fileSize = (int) $app->input->server->get('CONTENT_LENGTH');
     $uploadMaxSize = $mediaParams->get('upload_maxsize') * $KB;
     // Prepare file validators.
     $sizeValidator = new Prism\File\Validator\Size($fileSize, $uploadMaxSize);
     $serverValidator = new Prism\File\Validator\Server($errorCode, array(UPLOAD_ERR_NO_FILE));
     $imageValidator = new Prism\File\Validator\Image($uploadedFile, $uploadedName);
     // Get allowed mime types from media manager options
     $mimeTypes = explode(',', $mediaParams->get('upload_mime'));
     $imageValidator->setMimeTypes($mimeTypes);
     // Get allowed image extensions from media manager options
     $imageExtensions = explode(',', $mediaParams->get('image_extensions'));
     $imageValidator->setImageExtensions($imageExtensions);
     $file->addValidator($sizeValidator)->addValidator($serverValidator)->addValidator($imageValidator);
     // Validate the file
     if (!$file->isValid()) {
         throw new RuntimeException($file->getError());
     }
     // Generate temporary file name
     $ext = strtolower(JFile::makeSafe(JFile::getExt($image['name'])));
     $generatedName = Prism\Utilities\StringHelper::generateRandomString();
     $temporaryFile = $generatedName . '_reward.' . $ext;
     $temporaryDestination = JPath::clean($temporaryFolder . DIRECTORY_SEPARATOR . $temporaryFile);
     // Prepare uploader object.
     $uploader = new Prism\File\Uploader\Local($uploadedFile);
     $uploader->setDestination($temporaryDestination);
     // Upload temporary file
     $file->setUploader($uploader);
     $file->upload();
     $temporaryFile = $file->getFile();
     if (!is_file($temporaryFile)) {
         throw new Exception('COM_GAMIFICATION_ERROR_FILE_CANT_BE_UPLOADED');
     }
     // Resize image
     $image = new JImage();
     $image->loadFile($temporaryFile);
     if (!$image->isLoaded()) {
         throw new Exception(JText::sprintf('COM_GAMIFICATION_ERROR_FILE_NOT_FOUND', $temporaryDestination));
     }
     $imageName = $generatedName . '_image.png';
     $smallName = $generatedName . '_small.png';
     $squareName = $generatedName . '_square.png';
     $imageFile = $destinationFolder . DIRECTORY_SEPARATOR . $imageName;
     $smallFile = $destinationFolder . DIRECTORY_SEPARATOR . $smallName;
     $squareFile = $destinationFolder . DIRECTORY_SEPARATOR . $squareName;
     $scaleOption = $params->get('image_resizing_scale', JImage::SCALE_INSIDE);
     // Create main image
     if (!$resizeImage) {
         $image->toFile($imageFile, IMAGETYPE_PNG);
     } else {
         $width = $params->get('image_width', 200);
         $height = $params->get('image_height', 200);
         $image->resize($width, $height, false, $scaleOption);
         $image->toFile($imageFile, IMAGETYPE_PNG);
     }
     // Create small image
     $width = $params->get('image_small_width', 100);
     $height = $params->get('image_small_height', 100);
     $image->resize($width, $height, false, $scaleOption);
     $image->toFile($smallFile, IMAGETYPE_PNG);
     // Create square image
     $width = $params->get('image_square_width', 50);
     $height = $params->get('image_square_height', 50);
     $image->resize($width, $height, false, $scaleOption);
     $image->toFile($squareFile, IMAGETYPE_PNG);
     $names = array('image' => $imageName, 'image_small' => $smallName, 'image_square' => $squareName);
     // Remove the temporary file.
     if (JFile::exists($temporaryFile)) {
         JFile::delete($temporaryFile);
     }
//.........这里部分代码省略.........

 /**
  * Resize the temporary file to new one.
  *
  * <code>
  * $image = $this->input->files->get('media', array(), 'array');
  * $rootFolder = "/root/joomla/tmp";
  *
  * $resizeOptions = array(
  *    'width'  => $options['thumb_width'],
  *    'height' => $options['thumb_height'],
  *    'scale'  => $options['thumb_scale']
  * );
  *
  * $file = new Prism\File\Image($image, $rootFolder);
  *
  * $file->upload();
  * $fileData = $file->resize($resize);
  * </code>
  *
  * @param array $options
  * @param bool $replace Replace the original file with the new one.
  * @param string $prefix Filename prefix.
  *
  * @throws \RuntimeException
  *
  * @return array
  */
 public function resize(array $options, $replace = false, $prefix = '')
 {
     if (!$this->file) {
         throw new \RuntimeException(\JText::sprintf('LIB_PRISM_ERROR_FILE_NOT_FOUND_S', $this->file));
     }
     // Resize image.
     $image = new \JImage();
     $image->loadFile($this->file);
     if (!$image->isLoaded()) {
         throw new \RuntimeException(\JText::sprintf('LIB_PRISM_ERROR_FILE_NOT_FOUND_S', $this->file));
     }
     // Resize to general size.
     $width = ArrayHelper::getValue($options, 'width', 640);
     $width = $width < 50 ? 50 : $width;
     $height = ArrayHelper::getValue($options, 'height', 480);
     $height = $height < 50 ? 50 : $height;
     $scale = ArrayHelper::getValue($options, 'scale', \JImage::SCALE_INSIDE);
     $image->resize($width, $height, false, $scale);
     // Generate new name.
     $generatedName = StringHelper::generateRandomString($this->options->get('filename_length', 16)) . '.png';
     if (is_string($prefix) and $prefix !== '') {
         $generatedName = $prefix . $generatedName;
     }
     $file = \JPath::clean($this->rootFolder . '/' . $generatedName);
     // Store to file.
     $image->toFile($file, IMAGETYPE_PNG);
     if ($replace) {
         \JFile::delete($this->file);
         $this->file = $file;
     }
     // Prepare meta data about the file.
     $fileData = array('filename' => $generatedName, 'filepath' => $file, 'type' => 'image');
     $fileData = array_merge($fileData, $this->prepareImageProperties($this->file));
     return $fileData;
 }

 /**
  * Crop the image and generates smaller ones.
  *
  * @param string $file
  * @param array $options
  * @param Joomla\Registry\Registry $params
  *
  * @throws Exception
  *
  * @return array
  */
 public function cropImage($file, $options, $params)
 {
     // Resize image
     $image = new JImage();
     $image->loadFile($file);
     if (!$image->isLoaded()) {
         throw new Exception(JText::sprintf('COM_SOCIALCOMMUNITY_ERROR_FILE_NOT_FOUND', $file));
     }
     $destinationFolder = Joomla\Utilities\ArrayHelper::getValue($options, 'destination');
     // Generate temporary file name
     $generatedName = Prism\Utilities\StringHelper::generateRandomString(24);
     $profileName = $generatedName . '_profile.png';
     $smallName = $generatedName . '_small.png';
     $squareName = $generatedName . '_square.png';
     $iconName = $generatedName . '_icon.png';
     $imageFile = JPath::clean($destinationFolder . DIRECTORY_SEPARATOR . $profileName);
     $smallFile = JPath::clean($destinationFolder . DIRECTORY_SEPARATOR . $smallName);
     $squareFile = JPath::clean($destinationFolder . DIRECTORY_SEPARATOR . $squareName);
     $iconFile = JPath::clean($destinationFolder . DIRECTORY_SEPARATOR . $iconName);
     // Create profile image.
     $width = Joomla\Utilities\ArrayHelper::getValue($options, 'width', 200);
     $width = $width < 25 ? 50 : $width;
     $height = Joomla\Utilities\ArrayHelper::getValue($options, 'height', 200);
     $height = $height < 25 ? 50 : $height;
     $left = Joomla\Utilities\ArrayHelper::getValue($options, 'x', 0);
     $top = Joomla\Utilities\ArrayHelper::getValue($options, 'y', 0);
     $image->crop($width, $height, $left, $top, false);
     // Resize to general size.
     $width = $params->get('image_width', 200);
     $width = $width < 25 ? 50 : $width;
     $height = $params->get('image_height', 200);
     $height = $height < 25 ? 50 : $height;
     $image->resize($width, $height, false);
     // Store to file.
     $image->toFile($imageFile, IMAGETYPE_PNG);
     // Create small image.
     $width = $params->get('image_small_width', 100);
     $height = $params->get('image_small_height', 100);
     $image->resize($width, $height, false);
     $image->toFile($smallFile, IMAGETYPE_PNG);
     // Create square image.
     $width = $params->get('image_square_width', 50);
     $height = $params->get('image_square_height', 50);
     $image->resize($width, $height, false);
     $image->toFile($squareFile, IMAGETYPE_PNG);
     // Create icon image.
     $width = $params->get('image_icon_width', 25);
     $height = $params->get('image_icon_height', 25);
     $image->resize($width, $height, false);
     $image->toFile($iconFile, IMAGETYPE_PNG);
     $names = array('image_profile' => $profileName, 'image_small' => $smallName, 'image_square' => $squareName, 'image_icon' => $iconName);
     // Remove the temporary file.
     if (JFile::exists($file)) {
         JFile::delete($file);
     }
     return $names;
 }

 /**
  * Upload an image
  *
  * @param array $image Array with information about uploaded file.
  *
  * @throws RuntimeException
  * @return array
  */
 public function uploadImage($image)
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationAdministrator */
     $uploadedFile = Joomla\Utilities\ArrayHelper::getValue($image, 'tmp_name');
     $uploadedName = Joomla\Utilities\ArrayHelper::getValue($image, 'name');
     $errorCode = Joomla\Utilities\ArrayHelper::getValue($image, 'error');
     $tmpFolder = $app->get("tmp_path");
     /** @var  $params Joomla\Registry\Registry */
     $params = JComponentHelper::getParams($this->option);
     $destFolder = JPath::clean(JPATH_ROOT . DIRECTORY_SEPARATOR . $params->get("images_directory", "/images/profiles"));
     $options = array("width" => $params->get("image_width"), "height" => $params->get("image_height"), "small_width" => $params->get("image_small_width"), "small_height" => $params->get("image_small_height"), "square_width" => $params->get("image_square_width"), "square_height" => $params->get("image_square_height"), "icon_width" => $params->get("image_icon_width"), "icon_height" => $params->get("image_icon_height"));
     // Joomla! media extension parameters
     /** @var  $mediaParams Joomla\Registry\Registry */
     $mediaParams = JComponentHelper::getParams("com_media");
     jimport("itprism.file");
     jimport("itprism.file.uploader.local");
     jimport("itprism.file.validator.size");
     jimport("itprism.file.validator.image");
     jimport("itprism.file.validator.server");
     $file = new Prism\File\File();
     // Prepare size validator.
     $KB = 1024 * 1024;
     $fileSize = (int) $app->input->server->get('CONTENT_LENGTH');
     $uploadMaxSize = $mediaParams->get("upload_maxsize") * $KB;
     // Prepare file size validator
     $sizeValidator = new Prism\File\Validator\Size($fileSize, $uploadMaxSize);
     // Prepare server validator.
     $serverValidator = new Prism\File\Validator\Server($errorCode, array(UPLOAD_ERR_NO_FILE));
     // Prepare image validator.
     $imageValidator = new Prism\File\Validator\Image($uploadedFile, $uploadedName);
     // Get allowed mime types from media manager options
     $mimeTypes = explode(",", $mediaParams->get("upload_mime"));
     $imageValidator->setMimeTypes($mimeTypes);
     // Get allowed image extensions from media manager options
     $imageExtensions = explode(",", $mediaParams->get("image_extensions"));
     $imageValidator->setImageExtensions($imageExtensions);
     $file->addValidator($sizeValidator)->addValidator($imageValidator)->addValidator($serverValidator);
     // Validate the file
     if (!$file->isValid()) {
         throw new RuntimeException($file->getError());
     }
     // Generate temporary file name
     $ext = JFile::makeSafe(JFile::getExt($image['name']));
     $generatedName = new Prism\String();
     $generatedName->generateRandomString(32);
     $tmpDestFile = $tmpFolder . DIRECTORY_SEPARATOR . $generatedName . "." . $ext;
     // Prepare uploader object.
     $uploader = new Prism\File\Uploader\Local($uploadedFile);
     $uploader->setDestination($tmpDestFile);
     // Upload temporary file
     $file->setUploader($uploader);
     $file->upload();
     // Get file
     $tmpSourceFile = $file->getFile();
     if (!is_file($tmpSourceFile)) {
         throw new RuntimeException('COM_SOCIALCOMMUNITY_ERROR_FILE_CANT_BE_UPLOADED');
     }
     // Generate file names for the image files.
     $generatedName->generateRandomString(32);
     $imageName = $generatedName . "_image.png";
     $smallName = $generatedName . "_small.png";
     $squareName = $generatedName . "_square.png";
     $iconName = $generatedName . "_icon.png";
     // Resize image
     $image = new JImage();
     $image->loadFile($tmpSourceFile);
     if (!$image->isLoaded()) {
         throw new RuntimeException(JText::sprintf('COM_SOCIALCOMMUNITY_ERROR_FILE_NOT_FOUND', $tmpSourceFile));
     }
     $imageFile = $destFolder . DIRECTORY_SEPARATOR . $imageName;
     $smallFile = $destFolder . DIRECTORY_SEPARATOR . $smallName;
     $squareFile = $destFolder . DIRECTORY_SEPARATOR . $squareName;
     $iconFile = $destFolder . DIRECTORY_SEPARATOR . $iconName;
     // Create profile picture
     $width = Joomla\Utilities\ArrayHelper::getValue($options, "image_width", 200);
     $height = Joomla\Utilities\ArrayHelper::getValue($options, "image_height", 200);
     $image->resize($width, $height, false);
     $image->toFile($imageFile, IMAGETYPE_PNG);
     // Create small profile picture
     $width = Joomla\Utilities\ArrayHelper::getValue($options, "small_width", 100);
     $height = Joomla\Utilities\ArrayHelper::getValue($options, "small_height", 100);
     $image->resize($width, $height, false);
     $image->toFile($smallFile, IMAGETYPE_PNG);
     // Create square picture
     $width = Joomla\Utilities\ArrayHelper::getValue($options, "square_width", 50);
     $height = Joomla\Utilities\ArrayHelper::getValue($options, "square_height", 50);
     $image->resize($width, $height, false);
     $image->toFile($squareFile, IMAGETYPE_PNG);
     // Create icon picture
     $width = Joomla\Utilities\ArrayHelper::getValue($options, "icon_width", 24);
     $height = Joomla\Utilities\ArrayHelper::getValue($options, "icon_height", 24);
//.........这里部分代码省略.........

 /**
  * Upload an image
  *
  * @param  array $image
  * @param  string $destination
  *
  * @throws Exception
  * @return array
  */
 public function uploadImage($image, $destination)
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationSite */
     $uploadedFile = Joomla\Utilities\ArrayHelper::getValue($image, 'tmp_name');
     $uploadedName = Joomla\Utilities\ArrayHelper::getValue($image, 'name');
     $errorCode = Joomla\Utilities\ArrayHelper::getValue($image, 'error');
     // Load parameters.
     $params = JComponentHelper::getParams($this->option);
     /** @var  $params Joomla\Registry\Registry */
     $tmpFolder = $app->get('tmp_path');
     // Joomla! media extension parameters
     $mediaParams = JComponentHelper::getParams('com_media');
     /** @var  $mediaParams Joomla\Registry\Registry */
     $file = new Prism\File\File();
     // Prepare size validator.
     $KB = 1024 * 1024;
     $fileSize = (int) $app->input->server->get('CONTENT_LENGTH');
     $uploadMaxSize = $mediaParams->get('upload_maxsize') * $KB;
     $sizeValidator = new Prism\File\Validator\Size($fileSize, $uploadMaxSize);
     // Prepare server validator.
     $serverValidator = new Prism\File\Validator\Server($errorCode, array(UPLOAD_ERR_NO_FILE));
     // Prepare image validator.
     $imageValidator = new Prism\File\Validator\Image($uploadedFile, $uploadedName);
     // Get allowed mime types from media manager options
     $mimeTypes = explode(',', $mediaParams->get('upload_mime'));
     $imageValidator->setMimeTypes($mimeTypes);
     // Get allowed image extensions from media manager options
     $imageExtensions = explode(',', $mediaParams->get('image_extensions'));
     $imageValidator->setImageExtensions($imageExtensions);
     $file->addValidator($sizeValidator)->addValidator($imageValidator)->addValidator($serverValidator);
     // Validate the file
     if (!$file->isValid()) {
         throw new RuntimeException($file->getError());
     }
     // Generate temporary file name
     $ext = JString::strtolower(JFile::makeSafe(JFile::getExt($image['name'])));
     $generatedName = Prism\Utilities\StringHelper::generateRandomString(32);
     $tmpDestFile = JPath::clean($tmpFolder . DIRECTORY_SEPARATOR . $generatedName . '.' . $ext);
     // Prepare uploader object.
     $uploader = new Prism\File\Uploader\Local($uploadedFile);
     $uploader->setDestination($tmpDestFile);
     // Upload temporary file
     $file->setUploader($uploader);
     $file->upload();
     // Get file
     $tmpDestFile = $file->getFile();
     if (!is_file($tmpDestFile)) {
         throw new Exception('COM_CROWDFUNDING_ERROR_FILE_CANT_BE_UPLOADED');
     }
     // Resize image
     $image = new JImage();
     $image->loadFile($tmpDestFile);
     if (!$image->isLoaded()) {
         throw new Exception(JText::sprintf('COM_CROWDFUNDING_ERROR_FILE_NOT_FOUND', $tmpDestFile));
     }
     $imageName = $generatedName . '_pimage.png';
     $imageFile = $destination . DIRECTORY_SEPARATOR . $imageName;
     // Get the scale method.
     $scaleMethod = $params->get('image_resizing_scale', JImage::SCALE_INSIDE);
     // Create main image
     $width = $params->get('pitch_image_width', 600);
     $height = $params->get('pitch_image_height', 400);
     $image->resize($width, $height, false, $scaleMethod);
     $image->toFile($imageFile, IMAGETYPE_PNG);
     // Remove the temporary file.
     if (is_file($tmpDestFile)) {
         JFile::delete($tmpDestFile);
     }
     return $imageName;
 }

 /**
  * Upload an image
  *
  * @param array $image Array with information about uploaded file.
  *
  * @throws RuntimeException
  * @return array
  */
 public function uploadImage($image)
 {
     $app = JFactory::getApplication();
     /** @var $app JApplicationAdministrator */
     $uploadedFile = Joomla\Utilities\ArrayHelper::getValue($image, 'tmp_name');
     $uploadedName = Joomla\Utilities\ArrayHelper::getValue($image, 'name');
     $errorCode = Joomla\Utilities\ArrayHelper::getValue($image, 'error');
     $params = JComponentHelper::getParams($this->option);
     /** @var  $params Joomla\Registry\Registry */
     $temporaryFolder = JPath::clean($app->get('tmp_path'));
     // Joomla! media extension parameters
     /** @var  $mediaParams Joomla\Registry\Registry */
     $mediaParams = JComponentHelper::getParams('com_media');
     $file = new Prism\File\File();
     // Prepare size validator.
     $KB = 1024 * 1024;
     $fileSize = (int) $app->input->server->get('CONTENT_LENGTH');
     $uploadMaxSize = $mediaParams->get('upload_maxsize') * $KB;
     // Prepare file size validator
     $sizeValidator = new Prism\File\Validator\Size($fileSize, $uploadMaxSize);
     // Prepare server validator.
     $serverValidator = new Prism\File\Validator\Server($errorCode);
     // Prepare image validator.
     $imageValidator = new Prism\File\Validator\Image($uploadedFile, $uploadedName);
     // Get allowed mime types from media manager options
     $mimeTypes = explode(',', $mediaParams->get('upload_mime'));
     $imageValidator->setMimeTypes($mimeTypes);
     // Get allowed image extensions from media manager options
     $imageExtensions = explode(',', $mediaParams->get('image_extensions'));
     $imageValidator->setImageExtensions($imageExtensions);
     $file->addValidator($sizeValidator)->addValidator($imageValidator)->addValidator($serverValidator);
     // Validate the file
     if (!$file->isValid()) {
         throw new RuntimeException($file->getError());
     }
     // Generate temporary file name
     $ext = JFile::makeSafe(JFile::getExt($image['name']));
     $generatedName = Prism\Utilities\StringHelper::generateRandomString(16);
     $originalFile = JPath::clean($temporaryFolder . DIRECTORY_SEPARATOR . $generatedName . '.' . $ext);
     if (!JFile::upload($uploadedFile, $originalFile)) {
         throw new \RuntimeException(\JText::_('COM_SOCIALCOMMUNITY_ERROR_FILE_CANT_BE_UPLOADED'));
     }
     // Generate file names for the image files.
     $generatedName = Prism\Utilities\StringHelper::generateRandomString(16);
     $imageName = $generatedName . '_image.png';
     $smallName = $generatedName . '_small.png';
     $squareName = $generatedName . '_square.png';
     $iconName = $generatedName . '_icon.png';
     // Resize image
     $image = new JImage();
     $image->loadFile($originalFile);
     if (!$image->isLoaded()) {
         throw new RuntimeException(JText::sprintf('COM_SOCIALCOMMUNITY_ERROR_FILE_NOT_FOUND', $originalFile));
     }
     $imageFile = JPath::clean($temporaryFolder . DIRECTORY_SEPARATOR . $imageName);
     $smallFile = JPath::clean($temporaryFolder . DIRECTORY_SEPARATOR . $smallName);
     $squareFile = JPath::clean($temporaryFolder . DIRECTORY_SEPARATOR . $squareName);
     $iconFile = JPath::clean($temporaryFolder . DIRECTORY_SEPARATOR . $iconName);
     // Create profile picture
     $width = $params->get('image_width', 200);
     $height = $params->get('image_height', 200);
     $image->resize($width, $height, false);
     $image->toFile($imageFile, IMAGETYPE_PNG);
     // Create small profile picture
     $width = $params->get('small_width', 100);
     $height = $params->get('small_height', 100);
     $image->resize($width, $height, false);
     $image->toFile($smallFile, IMAGETYPE_PNG);
     // Create square picture
     $width = $params->get('square_width', 50);
     $height = $params->get('square_height', 50);
     $image->resize($width, $height, false);
     $image->toFile($squareFile, IMAGETYPE_PNG);
     // Create icon picture
     $width = $params->get('icon_width', 24);
     $height = $params->get('icon_height', 24);
     $image->resize($width, $height, false);
     $image->toFile($iconFile, IMAGETYPE_PNG);
     // Remove the temporary file
     if (JFile::exists($originalFile)) {
         JFile::delete($originalFile);
     }
     return $names = array('image' => $imageName, 'image_small' => $smallName, 'image_icon' => $iconName, 'image_square' => $squareName);
 }