| 摘要 |
PURPOSE:To execute an enlargement and reduction processing at high speed by simultaneously instructing the plural positions of picture elements to be overlapped or removed at high speed. CONSTITUTION:The position of the scanning direction of the picture elements to be overlapped and removed which are predetermined according to the enlargement ratio or the reduction ratio of a picture is stored in a picture element position storing part 2. A reduction and enlargement processing part 1 raster scans a graphic according to the contents stored in the picture element position storing part 2 and partially overlaps or removes and outputs picture data corresponding to an instructed picture element in the picture data obtained by reading for a picture element. |
