To provide a means for lightening the load for processing overlapped drawing elements when a plurality of drawing elements are contained overlappedly in a drawing area.
This device is provided with: a drawing information input means of inputting drawing information, a drawing decision means of judging whether drawing is necessary; a drawing area specifying means of specifying an area to be drawn, a drawn element registering means of registering elements to be drawn which are included in the specified area in a list; a drawn element area clipping means of clipping an area of a part where areas by the elements in the registered list overlap in such a case, a drawing means of drawing the clipped drawn elements in the list; a drawing control means of controlling drawing processing; a drawing information holding means of holding drawn information; and a display means of displaying the held drawing information.
YAMAO TAKAHIRO
KOUKAI TERUO
JP2001331303A | 2001-11-30 | |||
JPH0749762A | 1995-02-21 | |||
JPH09190539A | 1997-07-22 | |||
JPH1039850A | 1998-02-13 | |||
JPH05150930A | 1993-06-18 | |||
JPH08512412A | 1996-12-24 | |||
JPH06301505A | 1994-10-28 | |||
JPH08504961A | 1996-05-28 |
Tomoyasu Sakaguchi
Hiroki Naito