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Added README section for lume.color()

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rxi 2015-05-09 15:18:16 +01:00
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README.md
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@ -412,6 +412,17 @@ for i, v in lume.ripairs({ "a", "b", "c" }) do
end
```
### lume.color(str [, mul])
Takes color string `str` and returns 4 values, one for each color channel (`r`,
`g`, `b` and `a`). By default the returned values are between 0 and 1; the
values are multiplied by the number `mul` if it is provided.
```lua
lume.color("#ff0000") -- Returns 1, 0, 0, 1
lume.color("rgba(255, 0, 255, .5)") -- Returns 1, 0, 1, .5
lume.color("#00ffff", 256) -- Returns 0, 256, 256, 256
lume.color("rgb(255, 0, 0, 1)", 256) -- Returns 256, 0, 0, 256
```
### lume.rgba(color)
Takes the 32bit integer `color` argument and returns 4 numbers, one for each
channel, with a range of 0 - 255. The returned values can be used as the