Created
July 19, 2011 13:18
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Rgb marshall and unmarshell
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| -module(rgb). | |
| -export([marshall/3, unmarshall/1]). | |
| marshall(R,G,B) -> | |
| if | |
| R > 31 -> | |
| throw({overlimit, R}); | |
| G > 63 -> | |
| throw({overlimit, G}); | |
| B > 31 -> | |
| throw({overlimit, B}); | |
| true -> true | |
| end, | |
| << R:5, G:6, B:5 >>. | |
| unmarshall(Binary) -> | |
| << R:5, G:6, B:5 >> = Binary, | |
| {R,G,B}. |
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