| 摘要 |
PURPOSE:To speed up the composition of text display and graphic display and reduce the burden on software and hardware of a painting system. CONSTITUTION:A bit map composition device 16, including an action control part controlling each part by an action command from a CPU 11, an operation part composing graphic data 18-1 and text data 18-2, and a memory control part controlling the reading and writing of a graphic memory 15, a text memory 13, and a frame memory 17, is provided between the graphic memory 15, the text memory 13 and the frame memory 17. |
