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 <[email protected]> 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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