SAVING AND RESTORING SYSTEM FOR DRAWING IMAGE

摘要

PURPOSE: To optionally restore an original drawing or the drawing which is generated by magnification and reduction by an operation input so as to display it as necessary afterwards. CONSTITUTION: The display screen of a display part 2 is provided with a main display area where a part of a drawing image is displayed and plural saving areas for displaying one or plural drawing images, where the display screen within the main display area is reduced so as to be displayed at the time of saving in the display screen within the main display area. A processor 1 is provided with a main display drawing saving part 12 executing starting by an indication to save the display screen within the main display area from an input part 4 and a saving area restoring part 13 executing starting by the restoring indication to the main display area, which designates the saving area from the input part 4. Then a system is constituted in such a way that a main display drawing saving part 12 obtains restoring information of the display drawing within the main display area from drawing information, stores it in a saving management table 19 in accordance with the saving area and also reduces the display drawing within the main display area so as to display it in the saving area and the saving area restoring part 13 magnifies the reduced drawing by the indication so as to display it in the main display area.