Active pixel determination for line generation in regionalized rasterizer displays
US6788301B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 18, 2001 |
| Grant date | Sep 7, 2004 |
| Priority date | — |
| Expiry date | Jun 23, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T11/203
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, selecting a pixel in a screen region on a screen of a monitor of a computer graphics display system to activate in rendering a straight line segment by a rasterizer assigned to the screen region. Steps of aligning a rectangular grid to pixel boundaries, wherein the screen comprises a screen space divided into at least one screen region, wherein the screen region comprises multiple pixels, identifying each pixel in the screen region through which the straight line segment passes, and selecting each identified pixel to activate for rendering the straight line segment on the screen when the straight line segment passes through a diamond shaped area of the pixel whose boundary is defined by the lower, upper, left, and right pixel grid mid-points are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.