DRAWING DEVICE

PURPOSE:To easily perform full display operation for a drawn image as imaged as to a drawing device which draws an image on the display screen of a CRT, etc. CONSTITUTION:A display data storage means 1 is provided with a drawn image data area 1a where drawn image data of one frame of the display screen 5 are stored and a menu display data area 1b where menu display are stored. A data read means 2 reads composite image data, consisting of the menu display data and drawn image data excluding a range of the same area with the menu display data, or drawn image full display data consisting of only the drawn image data out of the display data storage means 1. It is commonded by a readout selection command means 3 which of the composite image data and drawn image full display data are to be read out by the data read means 2, and a display control means 4 displays the data read out by the read means 2 on the display screen 5.