Colour raster operations

P J Willis, G W Watters

Research output: Contribution to journalArticlepeer-review


We propose a form of three-input BitBlt/RasterOp which is useful for pictures constructed in a colour-mapped form as well as in true colour. The model used for this is that of a piece of potentially multicoloured paper on which the picture appears as ink marks. Computationally simple range testing operations can be applied to the source and destination regions to produce many useful effects, some of which we demonstrate. The resulting operations are primitives which can be used to construct more complex operations.
Original languageEnglish
Pages (from-to)151-159
Number of pages9
JournalComputer Graphics Forum
Issue number3
Publication statusPublished - 1988


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