Object based graphics system for rasterizing images in real-time
US5444839A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 28, 1993 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Apr 28, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/42
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An object based graphics processor includes an input device for receiving object outlines of an image intended for rasterized display, each of the outline comprising at least one object fragment, a sorter for sorting the object fragments into a rasterization sequence corresponding to a scan line in a raster format for rasterized display, and a storage having a first storage area and a second storage area connected to the sorter for storing the rasterization sequence in one of the storage areas. A reading device connected to the storage reads a previously stored rasterization sequence in real-time and calculates object edges in a respective scan line, and prioritizing device assigns pixel data values within each of the scan lines based upon priority levels assigned to the object edges. The pixel data values are output from the processor for rasterized display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.