Title:
PAINTING-OUT METHOD FOR POLYGON
Document Type and Number:
Japanese Patent JPS62192878
Kind Code:
A
Abstract:
PURPOSE:To paint out even a polygon with complicated shape by simple processing by drawing a painting-out frame corresponding to the polygon to a work area and painting out the polygon based upon the intersection of the painting-out frame and a horizontal scanning line. CONSTITUTION:A memory 3 and a graphic displaying controller 4 are connected through a bus 2 to a CPU 1. The CPU 1 forms the coordinate data and a command of the graphic to be displayed and supplies them to the graphic displaying controller 4. The graphic displaying controller 4 draws a painting-out frame corresponding to the polygon to a work area 8, and paints out the polygon based upon the intersection of the painting-out frame and the horizontal scanning line. At displaying areas 7A-7D, the painted-out polygon is completed.
Inventors:
OMORI MUTSUHIRO
TERADA HIDEFUMI
MORIMOTO MINORU
TERADA HIDEFUMI
MORIMOTO MINORU
Application Number:
JP3553986A
Publication Date:
August 24, 1987
Filing Date:
February 20, 1986
Export Citation:
Assignee:
NIPPON MUSICAL INSTRUMENTS MFG
International Classes:
G09G5/36; G06T11/40; (IPC1-7): G06F15/72; G09G1/16
Domestic Patent References:
| JPS5971093A | 1984-04-21 |
Attorney, Agent or Firm:
Masatake Shiga