| 摘要 |
An apparatus to generate gray scale shading data in response to input color data that is cost efficient and programmable is presented. The present invention allows up to 16 brightness-levels to be generated per color (e.g., Red, Green, and Blue). Under the present invention, each color pixel can be programmed to have one of the 16 brightness-level waveforms stored in a memory by dynamically changing a number of variables such as pixel color offsets, frame offset, column offset, row offset, pixel mapping data, etc. An accessing waveform index is generated from the above variables which is then used to select a brightness-level waveform from the memory. The brightness-level waveforms stored in the memory are also programmable.
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