| 摘要 |
A print data processing technique for a printer device is disclosed. There has been stored error data in halftone level between an actual halftone characteristic of the printing device and a target halftone characteristic. After dividing input print data into halftone cells of a predetermined pattern to produce halftone-cell data for each of the halftone cells, the error data of a halftone cell is sequentially diffused over halftone-cell data of another halftone cell using a predetermined distribution ratio from the halftone cell to the other halftone cell to correct halftone-cell data of each of the halftone cells. Dither data of each of the halftone cells is produced from corrected halftone-cell data thereof.
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