A device independent graphics imaging model for use with raster devices
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In building graphic systems for use with raster devices, it is difficult to develop an intuitive, device independent model of the imaging process, and to preserve that model over a variety of device implementations. This paper describes an imaging model and an associated implementation strategy that: 1. Integrates scanned images, text, and synthetically generated graphics into a uniform device independent metaphor; 2. Isolates the device dependent portions of the implementation to a small set of primitives, thereby minimizing the implementation cost for additional devices; 3. Has been implemented for binary, grey-scale, and full color raster display systems, and for high resolution black and white printers and color raster printers.
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