| 摘要 |
<p>PURPOSE:To display coordinate values nearby a cursor without disordering a drawn figure by using exclusive OR arithmetic when the coordinate values are displayed. CONSTITUTION:Data in a window 1 which is changed as a result of a display of the coordinate values and coordinate value data are exclusively ORed to display the coordinate values. Then the data 6 in the window which is changed when the coordinate values are displayed again before the movement of the cursor 5 or drawing is restored to its original display. Thus, the coordinate values 7 are displayed in the window 1, displayed on the display of a computer 2, at a data part 6 which is changed when the cursor 5 and coordinate values are displayed.</p> |
