| 摘要 |
PURPOSE:To continuously enlarge and display an arbitrary part to be enlarged and displayed of an original picture in accordance with movement of display. CONSTITUTION:Plotting data corresponding to display data in an enlarging display frame formed like a loupe which is arranged movably on the display picture is extracted from a vector data memory 3 and is expanded to a dot pattern on an image data memory 4 by a prescribed magnifying power and is stuck on the display picture. When the enlarging display frame is moved, display data in the enlarging display frame is extracted from the vector data memory 3 in accordance with movement and is expanded to a dot pattern on the image data memory 4 by the prescribed magnifying power and is stuck on the display picture, and this processing is repeatedly executed. |
