Gmagick::getimagehistogram
  Gets the image histogram
  
 
  Description
  
   public array Gmagick::getimagehistogram
    ( void
   )
  
   
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns the image histogram as an array of GmagickPixel objects. 
  
  
 
  Errors/Exceptions
  
   Throws an
GmagickException on error.