| 摘要 |
PURPOSE:To perform the painting-out processing at a high speed by painting out a pattern after drawing the pattern and contour information in a bit map memory and a contour information memory respectively in accordance with the graphic drawing command from a central processing unit by a bit map drawing device. CONSTITUTION:A bit map drawing device 3 receives the graphic drawing command from a CPU 10 to not only draw the graphic in a bit map memory 2 but also draw contour information of the graphic in a contour information memory 4. When the command from the CPU 10 is a painting-out command, the pattern is painted out on the memory 2. |
