Projection processing method and apparatus, and projector

摘要: Embodiments of the invention provide a projection processing method and apparatus, projector, relate to technical field multimedia. The comprises steps determining target operation region which user wants operate, wherein is located in region, used for projecting an original data image, projector; generating corresponding mark image according combining with generate image; region. According method, apparatus generated combined projected so that display after displayed flexible control on realized, experience greatly enhanced.