PHP Varien_Image::constrainOnly方法代碼示例

 public function getCatResizedImage($cat, $width, $height = null, $quality = 100)
 {
     if (!$cat->getThumbnail()) {
         return false;
     }
     $imageUrl = Mage::getBaseDir('media') . DS . "catalog" . DS . "category" . DS . $cat->getThumbnail();
     if (!is_file($imageUrl)) {
         return false;
     }
     $imageResized = Mage::getBaseDir('media') . DS . "catalog" . DS . "category" . DS . "cache" . DS . "cat_resized" . DS . $cat->getThumbnail();
     // Because clean Image cache function works in this folder only
     //if (! file_exists ( $imageResized ) && file_exists ( $imageUrl ) || file_exists($imageUrl) && filemtime($imageUrl) > filemtime($imageResized)) :
     $imageObj = new Varien_Image($imageUrl);
     $imageObj->constrainOnly(true);
     $imageObj->keepAspectRatio(true);
     $imageObj->keepFrame(true);
     // ep
     $imageObj->quality($quality);
     $imageObj->keepTransparency(true);
     // png
     $imageObj->backgroundColor(array(255, 255, 255));
     $imageObj->resize($width, $height);
     $imageObj->save($imageResized);
     //endif;
     if (file_exists($imageResized)) {
         return Mage::getBaseUrl('media') . "/catalog/category/cache/cat_resized/" . $cat->getThumbnail();
     } else {
         return $this->getImageUrl();
     }
 }

 public function resizeImg($fileName, $width, $height = '')
 {
     $folderURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
     $imageURL = $folderURL . $fileName;
     $basePath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . $fileName;
     $newPath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . "resized" . DS . $fileName;
     //if width empty then return original size image's URL
     if ($width != '') {
         //if image has already resized then just return URL
         if (file_exists($basePath) && is_file($basePath) && !file_exists($newPath)) {
             $imageObj = new Varien_Image($basePath);
             $imageObj->constrainOnly(TRUE);
             $imageObj->keepAspectRatio(TRUE);
             $imageObj->keepFrame(TRUE);
             $imageObj->backgroundColor(array(255, 255, 255));
             // white background!
             $imageObj->resize($width, $height);
             $imageObj->save($newPath);
         }
         $resizedURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . "resized" . DS . $fileName;
     } else {
         $resizedURL = $imageURL;
     }
     return $resizedURL;
 }

 protected function _entityImageUrl(Varien_Object $entity, $width, $height, $entityField)
 {
     $entityPath = $entity->getData($entityField);
     if (!$entityPath) {
         return null;
     }
     $dstPath = array('cache', Mage::app()->getStore()->getId(), $entityField, $width . 'x' . $height, $entityPath);
     $dstFile = $this->getBaseMediaPath() . DS . implode(DS, $dstPath);
     if (!file_exists($dstFile)) {
         $srcPath = array($entityPath);
         $srcFile = $this->getBaseMediaPath() . DS . implode(DS, $srcPath);
         if (!file_exists($srcFile)) {
             return null;
         }
         $image = new Varien_Image($srcFile);
         $image->keepAspectRatio(true);
         $image->keepTransparency(true);
         $image->keepFrame(true);
         $image->constrainOnly(false);
         $image->backgroundColor(array(255, 255, 255));
         $image->resize($width, $height);
         $image->save($dstFile);
     }
     return $this->getBaseMediaUrl() . '/' . implode('/', $dstPath);
 }

 /**
  * Resize image
  *
  * @param string $fileName
  * @param int $width
  * @param int $height
  * @return string Resized image url
  */
 public function resizeImg($fileName, $width, $height = '')
 {
     if (!$height) {
         $height = $width;
     }
     $thumbDir = self::IMAGE_THUMB_DIR;
     $resizeDir = $thumbDir . "/resized_{$width}x{$height}";
     $ioFile = new Varien_Io_File();
     $ioFile->checkandcreatefolder(Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . $resizeDir);
     $imageParts = explode('/', $fileName);
     $imageFile = end($imageParts);
     $folderURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
     $imageURL = $folderURL . $fileName;
     $basePath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . $fileName;
     $newPath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . $resizeDir . DS . $imageFile;
     if ($width != '') {
         if (file_exists($basePath) && is_file($basePath) && !file_exists($newPath)) {
             $imageObj = new Varien_Image($basePath);
             $imageObj->constrainOnly(TRUE);
             $imageObj->keepAspectRatio(TRUE);
             $imageObj->keepFrame(FALSE);
             $imageObj->keepTransparency(TRUE);
             //$imageObj->backgroundColor(array(255,255,255));
             $imageObj->resize($width, $height);
             $imageObj->save($newPath);
         }
         $resizedURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . $resizeDir . '/' . $imageFile;
     } else {
         $resizedURL = $imageURL;
     }
     return $resizedURL;
 }

 /**
  * Resize image method
  *
  * @param $fileName string
  * @param $width int
  * @param $height null|int
  * @return string
  */
 public function resize($fileName, $width, $height = null)
 {
     $heightPath = is_null($height) ? 0 : $height;
     $folderURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
     $imageURL = $folderURL . $fileName;
     $basePath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . $fileName;
     $newPath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . "slider" . DS . "resized" . DS . $width . DS . $heightPath . DS . $fileName;
     //if width empty then return original size image's URL
     if ($width != '') {
         //if image has already resized then just return URL
         if (file_exists($basePath) && is_file($basePath) && !file_exists($newPath)) {
             $imageObj = new Varien_Image($basePath);
             $imageObj->constrainOnly(true);
             $imageObj->keepAspectRatio(false);
             $imageObj->keepFrame(false);
             $imageObj->resize($width, $height);
             $imageObj->save($newPath);
         }
         $resizedURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . "slider" . DS . "resized" . DS . $width . DS . $heightPath . DS . $fileName;
     } else {
         $resizedURL = $imageURL;
     }
     // Windows DS fix
     if (DS == '\\') {
         $resizedURL = str_replace('\\', '/', $resizedURL);
     }
     return $resizedURL;
 }

 public function resize($width, $height)
 {
     if (!($imageUrl = $this->getImageUrl())) {
         return '';
     }
     $dir = Mage::getBaseDir('media') . DS . "testimonials" . DS . "pictures" . DS . "resized";
     if (!file_exists($dir)) {
         mkdir($dir, 0777);
     }
     $imageName = substr(strrchr($imageUrl, "/"), 1);
     $imageName = $width . '_' . $height . '_' . $imageName;
     $imageResized = $dir . DS . $imageName;
     $imagePath = str_replace(Mage::getBaseUrl('media'), 'media/', $imageUrl);
     $imagePath = Mage::getBaseDir() . DS . str_replace("/", DS, $imagePath);
     if (!file_exists($imageResized) && file_exists($imagePath)) {
         $imageObj = new Varien_Image($imagePath);
         $imageObj->constrainOnly(true);
         $imageObj->keepAspectRatio(true);
         $imageObj->keepFrame(false);
         $imageObj->keepTransparency(true);
         $imageObj->resize($width, $height);
         $imageObj->save($imageResized);
     }
     $imageUrl = Mage::getBaseUrl('media') . "testimonials/pictures/resized/" . $imageName;
     return $imageUrl;
 }

 public function resize($imageUrl, $width, $height)
 {
     if (!file_exists(Mage::getBaseDir('media') . DS . "catalog" . DS . "category" . DS . "resized")) {
         mkdir(Mage::getBaseDir('media') . DS . "catalog" . DS . "category" . DS . "resized", 0777, true);
     }
     $imageName = substr(strrchr($imageUrl, "/"), 1);
     if ('255,255,255' !== $this->getBackgroundColor(true)) {
         $imageName = $width . 'x' . $height . '/' . $this->getBackgroundColor(true) . '/' . $imageName;
     } else {
         $imageName = $width . 'x' . $height . '/' . $imageName;
     }
     $imageResized = Mage::getBaseDir('media') . DS . "catalog" . DS . "category" . DS . "resized" . DS . $imageName;
     $imagePath = str_replace(Mage::getBaseUrl('media'), 'media/', $imageUrl);
     $imagePath = Mage::getBaseDir() . DS . str_replace("/", DS, $imagePath);
     if (!file_exists($imageResized) && file_exists($imagePath)) {
         $imageObj = new Varien_Image($imagePath);
         $imageObj->constrainOnly(true);
         $imageObj->keepAspectRatio(true);
         $imageObj->keepFrame(true);
         $imageObj->keepTransparency(true);
         $imageObj->backgroundColor($this->getBackgroundColor());
         $imageObj->resize($width, $height);
         $imageObj->save($imageResized);
     }
     $imageUrl = Mage::getBaseUrl('media') . "catalog/category/resized/" . $imageName;
     return $imageUrl;
 }

 public function getCategoryImage($category = null, $width = 300, $height = 300, $image_type = "thumbnail")
 {
     if (empty($category) && !is_object($category)) {
         return "";
     }
     if ($image_type == "thumbnail") {
         $_file_name = $category->getThumbnail();
     } else {
         $_file_name = $category->getImage();
     }
     $_media_dir = Mage::getBaseDir('media') . DS . 'catalog' . DS . 'category' . DS;
     $cache_dir = $_media_dir . 'cache' . DS;
     if ($_file_name) {
         if (file_exists($cache_dir . $_file_name)) {
             return Mage::getBaseUrl('media') . '/catalog/category/cache/' . $_file_name;
         } elseif (file_exists($_media_dir . $_file_name)) {
             if (!is_dir($cache_dir)) {
                 mkdir($cache_dir);
             }
             $_image = new Varien_Image($_media_dir . $_file_name);
             $_image->constrainOnly(true);
             $_image->keepAspectRatio(true);
             $_image->keepTransparency(true);
             $_image->resize((int) $width, (int) $height);
             $_image->save($cache_dir . $_file_name);
             return Mage::getBaseUrl('media') . '/catalog/category/cache/' . $_file_name;
         }
     }
     return "";
 }

 /**
  * Move the image in the fixture under magento media
  * directory and save a cache version of it.
  *
  * @param string $image
  * @return string
  */
 protected function injectImage($image)
 {
     if (empty($image)) {
         return '';
     }
     $baseImage = basename($image);
     $imageName = Mage::getBaseDir('media') . DS . 'catalog' . DS . 'product' . DS . $image;
     $cacheImage = Mage::getBaseDir('media') . DS . 'catalog' . DS . 'product' . DS . 'resize' . DS . $baseImage;
     $fixtureImage = __DIR__ . DS . 'ProductsTest' . DS . 'fixtures' . DS . $baseImage;
     // @see Varien_Image_Adapter_Gd2::_isMemoryLimitReached
     // There's a bug in Varien_Image_Adapter_Gd2::open that causes
     // an exception to be thrown when the PHP built in method
     // ini_get('memory_limit') return -1, which imply no limit.
     // I'm guessing that the right environment setting are not set when
     // running phpunit with EcomDev.
     if (ini_get('memory_limit') <= 0) {
         ini_set('memory_limit', '512M');
     }
     $productMediaDir = str_replace($baseImage, '', $imageName);
     @mkdir($productMediaDir, 0777, true);
     // if the file already exist remove it.
     @unlink($imageName);
     // Copy the image file in our fixture directory into
     // Magento product media directory.
     @copy($fixtureImage, $imageName);
     $image = new Varien_Image($imageName);
     $image->constrainOnly(true);
     $image->keepAspectRatio(false);
     $image->keepFrame(false);
     $image->keepTransparency(true);
     $image->resize(100, 100);
     $image->save($cacheImage);
     return $imageName;
 }

 public function resizeCategoryImage($file_name, $resize = 550)
 {
     $file_name;
     $resize_dir = 'resized-' . $resize;
     $category_dir = 'catalog' . DS . 'category';
     $category_path = $_SERVER['DOCUMENT_ROOT'] . DS . 'media' . DS . $category_dir;
     $full_resized_url_path = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . $category_dir . DS . $resize_dir . DS;
     if (file_exists($category_path . DS . $resize_dir . DS . $file_name)) {
         return $full_resized_url_path . $file_name;
     }
     if (file_exists($category_path . DS . $file_name)) {
         if (!is_dir($category_path . DS . $resize_dir)) {
             mkdir($category_path . DS . $resize_dir);
         }
         $_image = new Varien_Image($category_path . DS . $file_name);
         $_image->constrainOnly(true);
         $_image->keepAspectRatio(false);
         $_image->keepFrame(false);
         $_image->keepTransparency(true);
         $_image->resize($resize);
         $_image->save($category_path . DS . $resize_dir . DS . $file_name);
         $catImg = $full_resized_url_path . $file_name;
     }
     return $catImg;
 }

 public function getProperDimensionsPictureUrl($yahooId, $pictureUrl)
 {
     $pictureUrl = str_replace('_normal', '', $pictureUrl);
     $url = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . 'le' . '/' . 'sociallogin' . '/' . 'yahoo' . '/' . $yahooId;
     $filename = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . 'le' . DS . 'sociallogin' . DS . 'yahoo' . DS . $yahooId;
     $directory = dirname($filename);
     if (!file_exists($directory) || !is_dir($directory)) {
         if (!@mkdir($directory, 0777, true)) {
             return null;
         }
     }
     if (!file_exists($filename) || file_exists($filename) && time() - filemtime($filename) >= 3600) {
         $client = new Zend_Http_Client($pictureUrl);
         $client->setStream();
         $response = $client->request('GET');
         stream_copy_to_stream($response->getStream(), fopen($filename, 'w'));
         $imageObj = new Varien_Image($filename);
         $imageObj->constrainOnly(true);
         $imageObj->keepAspectRatio(true);
         $imageObj->keepFrame(false);
         $imageObj->resize(150, 150);
         $imageObj->save($filename);
     }
     return $url;
 }

 public function getRetouchedResizedImage($image, $x, $y)
 {
     if (!$image || !$x || !$y) {
         return false;
     }
     $imageUrl = Mage::getBaseDir('media') . DS . "surgery" . DS . "retouched" . DS . $image;
     if (!is_file($imageUrl)) {
         return false;
     }
     $imageResized = Mage::getBaseDir('media') . DS . "surgery" . DS . "retouched" . DS . "resized" . DS . $image;
     if (file_exists($imageResized)) {
         return Mage::getBaseUrl('media') . "surgery" . DS . "retouched" . DS . "resized" . DS . $image;
     }
     if (!file_exists($imageResized) && file_exists($imageUrl)) {
         try {
             $imageObj = new Varien_Image($imageUrl);
             $imageObj->constrainOnly(TRUE);
             $imageObj->keepAspectRatio(TRUE);
             $imageObj->keepFrame(FALSE);
             $imageObj->quality(100);
             $imageObj->resize($x, $y);
             $imageObj->save($imageResized);
         } catch (Exception $e) {
             echo 'Caught exception: ', $e->getMessage(), "\n";
         }
     }
     return Mage::getBaseUrl('media') . "surgery" . DS . "retouched" . DS . "resized" . DS . $image;
 }

 public function resizeImg($fileName, $width, $height = null)
 {
     $baseURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
     $imageURL = $baseURL . '/' . 'magiccart/blog' . '/' . $fileName;
     $basePath = Mage::getBaseDir('media');
     $imagePath = $basePath . DS . 'magiccart/blog/' . str_replace('/', DS, $fileName);
     $extra = $width . 'x' . $height;
     $newPath = Mage::getBaseDir('media') . DS . 'magiccart/blog' . DS . "cache" . DS . $extra . '/' . str_replace('/', DS, $fileName);
     //if width empty then return original size image's URL
     if ($width != '' && $height != '') {
         //if image has already cache then just return URL
         if (file_exists($imagePath) && is_file($imagePath) && !file_exists($newPath)) {
             $imageObj = new Varien_Image($imagePath);
             $imageObj->constrainOnly(TRUE);
             $imageObj->keepAspectRatio(FALSE);
             $imageObj->keepTransparency(true);
             $imageObj->keepFrame(FALSE);
             $imageObj->quality(100);
             //$width, $height - sizes you need (Note: when keepAspectRatio(TRUE), height would be ignored)
             $imageObj->resize($width, $height);
             $imageObj->save($newPath);
         }
         $cacheURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . "magiccart/blog" . '/' . "cache" . '/' . $extra . '/' . $fileName;
     } else {
         $cacheURL = $imageURL;
     }
     return $cacheURL;
 }

 public function getProfileImage()
 {
     if (isset($this->_seller['sstech_profileimage']) && ($_file_name = $this->_seller['sstech_profileimage'])) {
         $_media_dir = Mage::getBaseDir('media') . DS . 'customer' . DS;
         // Here i create a resize folder. for upload new category image
         $cache_dir = $_media_dir . 'resize' . DS;
         if (file_exists($cache_dir . $_file_name)) {
             $img = Mage::getBaseUrl('media') . 'customer' . DS . 'resize' . $_file_name;
         } elseif (file_exists($_media_dir . $_file_name)) {
             if (!is_dir($cache_dir)) {
                 mkdir($cache_dir);
             }
             $_image = new Varien_Image($_media_dir . $_file_name);
             $_image->constrainOnly(false);
             $_image->keepAspectRatio(true);
             $_image->keepFrame(true);
             $_image->keepTransparency(true);
             $_image->backgroundColor(array(255, 255, 255));
             $_image->resize(300, null);
             // change image height, width
             $_image->save($cache_dir . $_file_name);
             $img = Mage::getBaseUrl('media') . 'customer' . DS . 'resize' . $_file_name;
         }
     }
     if (!isset($img)) {
         $img = Mage::getBaseUrl('media') . "default_user.jpg";
     }
     return $img;
 }

 public function getLableImage($fileName)
 {
     //$fileName = Mage::getStoreConfig('productlable/sample/newimage');
     $width = 50;
     $height = 50;
     $folderURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
     $imageURL = $folderURL . $fileName;
     $basePath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . 'theme' . DS . $fileName;
     $newPath = Mage::getBaseDir(Mage_Core_Model_Store::URL_TYPE_MEDIA) . DS . "resized" . DS . $fileName;
     //if width empty then return original size image's URL
     if ($width != '') {
         //if image has already resized then just return URL
         if (file_exists($basePath) && is_file($basePath) && !file_exists($newPath)) {
             $imageObj = new Varien_Image($basePath);
             $imageObj->constrainOnly(TRUE);
             $imageObj->keepAspectRatio(FALSE);
             $imageObj->keepFrame(FALSE);
             $imageObj->keepTransparency(TRUE);
             $imageObj->resize($width, $height);
             $imageObj->save($newPath);
         }
         $resizedURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . "resized/" . $fileName;
     } else {
         $resizedURL = $imageURL;
     }
     return $resizedURL;
 }