Sha256: f0dd6a599ed1c3e6629ad43a98be6cee49ab4a24416a4444d40dfbd58f69f3c2
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Size: 1.45 KB
Versions: 16
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Stored size: 1.45 KB
Contents
class UIColor
def uicolor(alpha=nil)
if alpha
self.colorWithAlphaComponent(alpha.to_f)
else
self
end
end
def cgcolor
self.CGColor
end
def red
_sugarcube_colors && _sugarcube_colors[:red]
end
def green
_sugarcube_colors && _sugarcube_colors[:green]
end
def blue
_sugarcube_colors && _sugarcube_colors[:blue]
end
def alpha
_sugarcube_colors && _sugarcube_colors[:alpha]
end
# returns the closest css name
def css_name
found = Symbol.css_colors.map { |key, val| [key, _sugarcube_color_compare(self, val.uicolor)] }.inject{|c1,c2| c1[1] < c2[1] ? c1 : c2 }
threshold = 0.03
if found[1] > 0.03
nil
else
found[0]
end
end
private
def _sugarcube_color_compare(c1, c2)
return (c1.red - c2.red).abs + (c1.green - c2.green).abs + (c1.blue - c2.blue).abs
end
def _sugarcube_colors
@color ||= begin
red = Pointer.new(:float)
green = Pointer.new(:float)
blue = Pointer.new(:float)
white = Pointer.new(:float)
alpha = Pointer.new(:float)
if self.getRed(red, green:green, blue:blue, alpha:alpha)
{
red: red[0],
green: green[0],
blue: blue[0],
alpha: alpha[0],
}
elsif self.getWhite(white, alpha:alpha)
{
red: white[0],
green: white[0],
blue: white[0],
alpha: alpha[0],
}
else
nil
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems