Method and apparatus for switching between binary and arithmetic operators during raster operations
US5982991A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 8, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Jul 8, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T15/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The method of the invention performs logical operation on a pixel image, wherein pixels of the image comprise multi-bit color pixel values. The method performs the steps of: identifying a received image as an image type other than a raster image; and if such identified image type consists of fully saturated multi-bit color pixel values, performing logical combination operations on the multi-bit color pixel values through use of binary logical operators. If the received image is identified as including other than fully saturated multi-bit color pixel values, performing logical combination operations on the multi-bit color pixel values using arithmetic logical operators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.