Sha256: dac81977ad416f95803791806e5d23586c1cf0e79b7d11a19befda167952ec6a
Contents?: true
Size: 1.41 KB
Versions: 42
Compression:
Stored size: 1.41 KB
Contents
class Wx::Colour
# Redefine the initialize method so it raises an exception if an
# invalid colour value is given. This might be an unknown colour
# string (eg 'dark blue') or out-of-bounds integer values (<0 or >255)
wx_init = self.instance_method(:initialize)
define_method(:initialize) do | *args |
begin
wx_init.bind(self).call(*args)
# Invalid integer values raise SWIG 'no matching func'
rescue ArgumentError
Kernel.raise ArgumentError, "Invalid colour values #{args.inspect}"
end
if not is_ok
Kernel.raise ArgumentError, "Invalid colour values #{args.inspect}"
end
end
# Standard colours, corresponding to WxWidgets stock colours.
Wx::WHITE = new(255, 255, 255)
Wx::BLACK = new(0, 0, 0)
Wx::RED = new(255, 0, 0)
Wx::GREEN = new(0, 255, 0)
Wx::BLUE = new(0, 0, 255)
Wx::YELLOW = new(255, 255, 0)
Wx::MAGENTA = new(255, 0, 255)
Wx::CYAN = new(0, 255, 255)
Wx::LIGHT_GREY = new(192, 192, 192)
# Colours are equal to one another if they have the same red, green
# and blue intensity, and the same alpha
def ==(other)
if not other.is_a?(self.class)
raise ArgumentError, "No comparison of #{self} to #{other}"
end
[ red, green, blue, alpha ] ==
[ other.red, other.green, other.blue, other.alpha ]
end
# More informative output for inspect etc
def to_s
"#<Wx::Colour: (#{red}, #{green}, #{blue} *#{alpha})>"
end
end
Version data entries
42 entries across 42 versions & 2 rubygems