Thanks Mislav. I considered just using rgba rather than hexa, but with
rgba, it is suggesting that rgb values should be used. If you feed in
a hex or keyword argument, then it doesn't make sense. Perhaps
colora() or cola() is a better alternative?
2010/1/26 Mislav Marohnić <mislav.maroh...@gmail.com>:
> How about simply creating a function called rgba(). This is what I'm using
> in Haml 2.2.x (probably will not work with newer!)
> module Sass::Script::Functions
> def rgba(color, opacity)
> values = color.value + [opacity]
> Sass::Script::String.new('rgba(%d,%d,%d,%s)' % values)
> end
> end
> Here are some mixins for CSS features I'm heavily using rgba for:
> =box-shadow(!params)
> :box-shadow = !params
> :-webkit-box-shadow = !params
> :-moz-box-shadow = !params
> =gradient(!from, !to)
> :background-image = "-webkit-gradient(linear, left top, left bottom,
> from(#{!from}), to(#{!to}))"
> :background-image = "-moz-linear-gradient(#{!from}, #{!to})"
> =gradient-top(!color, !alpha = 1)
> +gradient(rgba(!color,!alpha), rgba(!color,0))
> =gradient-bottom(!color, !alpha = 1)
> +gradient(rgba(!color,0), rgba(!color,!alpha))
>
> Example of using the mixins:
> .signup-button
> +gradient-top(white, .3)
> +box-shadow(rgba(black, .2) 0 0 6px)
> Notice how I'm using color names here. I could be using anything that Sass
> recognizes as color value, including hex forms.
>
> On Mon, Jan 25, 2010 at 21:26, Nathan Weizenbaum <nex...@gmail.com> wrote:
>>
>> I've been considering adding a shorter version of rgba() that takes a hex
>> color. File an issue and I'll get around to it.
>
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