Data transformation and clipping in a graphics display system

Details Data transformation and clipping in a graphics display system Data transformation and clipping in a graphics display system

1986-01-21

1989-04-11

Harkcom, Gary V.

Boots, shoes, and leggings

340723, 340727, 340747, 340750, 434 43, G06F 1568, G06F 1572

Patent

active

048212091

ABSTRACT:
A display processor in a raster graphics display system includes a transformation, clipping and mapping feature which controls the transformation, clipping and mapping of graphics data. A control byte contains 5 bits identified as: M--Window to viewport mapping; P--perspective projection; D--2D/3D mode; T--transformation; and C--clipping. Each bit in the control byte is tested to determine what operations are to be performed on the figure to be drawn.

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