Screen control method and screen control apparatus

A screen control apparatus, applicable to an electronic apparatus, wherein the electronic apparatus comprises a screen and an ambient light detector, the screen is configured to display an original picture, the ambient light detector is configured to detect ambient brightness to generate ambient brightness data, the electronic apparatus is also coupled to a pointer device to present a pointer on the original picture accordingly, and the screen control apparatus comprising:

• a lighting setting unit, configured to set lighting setting data corresponding to the pointer;
• a lighting position obtaining unit, configured to obtain position data of the pointer, and generate lighting area data according to the position data;
• and
• a picture adjustment unit, configured to convert, according to the lighting setting data, the ambient brightness data, and the lighting area data, the original picture to generate a lighting adjustment picture, and present the lighting adjustment picture on the screen, wherein the lighting adjustment picture comprises a lighting area corresponding to the pointer,
• wherein the lighting setting data comprises a lighting range parameter and a lighting shape parameter, and the lighting position obtaining unit is configured to set the pointer as a center of the lighting area, and generate the lighting area data according to the position data, the lighting range parameter, and the lighting shape parameter.