(PECL gmagick >= Unknown)
Gmagick::getimagehistogram — Gets the image histogram
Returns the image histogram as an array of GmagickPixel objects. Throw an GmagickException on error.
此函數沒(méi)有參數。
Returns the image histogram as an array of GmagickPixel objects.
錯誤時(shí)拋出 GmagickException。