PHP Image_GD::check примеры использования

check() публичный статический Метод

Checks if GD is enabled and bundled. Bundled GD is required for some methods to work. Exceptions will be thrown from those methods when GD is not bundled.

public static check ( ) : boolean
Результат	boolean

Пример #1

Файл: gd.php Проект: homm/image

 public function __construct($file)
 {
     if (!Image_GD::$_checked) {
         // Run the install check
         Image_GD::check();
     }
     parent::__construct($file);
     // Set the image creation function name
     switch ($this->type) {
         case IMAGETYPE_JPEG:
             $create = 'imagecreatefromjpeg';
             break;
         case IMAGETYPE_GIF:
             $create = 'imagecreatefromgif';
             break;
         case IMAGETYPE_PNG:
             $create = 'imagecreatefrompng';
             break;
     }
     if (!isset($create) or !function_exists($create)) {
         throw new Kohana_Exception('Installed GD does not support :type images', array(':type' => image_type_to_extension($this->type, FALSE)));
     }
     // Save function for future use
     $this->_create_function = $create;
     // Save filename for lazy loading
     $this->_image = $this->file;
 }

Пример #2

Файл: gd.php Проект: joelpittet/image

 public function __construct($file)
 {
     if (!Image_GD::$_checked) {
         // Run the install check
         Image_GD::check();
     }
     parent::__construct($file);
     // Set the image creation function name
     switch ($this->type) {
         case IMAGETYPE_JPEG:
             $create = 'imagecreatefromjpeg';
             break;
         case IMAGETYPE_GIF:
             $create = 'imagecreatefromgif';
             break;
         case IMAGETYPE_PNG:
             $create = 'imagecreatefrompng';
             break;
     }
     if (!isset($create) or !function_exists($create)) {
         throw new Kohana_Exception('Installed GD does not support :type images', array(':type' => image_type_to_extension($this->type, FALSE)));
     }
     // Open the temporary image
     $this->_image = $create($this->file);
     // Preserve transparency when saving
     imagesavealpha($this->_image, TRUE);
 }