| 摘要 |
PROBLEM TO BE SOLVED: To provide a method executed by a computer, which enables displaying both general information and additional information on a single display screen of a point of sales (POS) system.SOLUTION: The method includes a processor that: executes a POS application to generate first image data and second image data respectively associated with a first image and a second image; executes a display driver to decrypt the first image data and the second image data into first decryption data and second decryption data; executes a display driver to combine the first decryption data and the second decryption data in order to generate integrated image data associated with the first image and the second image; and transmits the integrated image data to a display screen so as to enable the display screen to display the first image and the second image on the display screen. |
