Image drawing apparatus for displaying input image on display me

Details Image drawing apparatus for displaying input image on display me Image drawing apparatus for displaying input image on display me

1993-02-03

1994-05-10

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Display peripheral interface input device

345173, 345186, G09G 128

Patent

active

053112075

ABSTRACT:
The present invention is directed to an image drawing apparatus suitable for use in, for example, a video titler for superimposing desired characters, figures or the like on an image reproduced from a video signal. This image drawing apparatus is comprised of a memory for storing a plurality of predetermined color data, processor for outputting colors corresponding to the color data at display positions on a display screen, coordinate data input device for inputting coordinates on the display screen, and a control circuit for sequentially moving an array of the plurality of color data, wherein colors corresponding to the plurality of color data are respectively superimposed on a shape designated by coordinates inputted by the coordinate data input device, thereby making it possible to draw moving characters, figures or the like producing high visual effects in a simple structure without making complicated designation.

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