Initializer

init(gray:alpha:)

Creates a color in the Generic gray color space.

Declaration

init(gray: CGFloat, alpha: CGFloat)

Parameters

gray

A grayscale value (0.0 - 1.0).

alpha

An alpha value (0.0 - 1.0).

Return Value

A color object.

See Also

Creating Colors

func copy() -> CGColor?

Creates a copy of an existing color.

func copy(alpha: CGFloat) -> CGColor?

Creates a copy of an existing color, substituting a new alpha value.

init(red: CGFloat, green: CGFloat, blue: CGFloat, alpha: CGFloat)

Creates a color in the Generic RGB color space.

init?(colorSpace: CGColorSpace, components: UnsafePointer<CGFloat>)

Creates a color using a list of intensity values (including alpha) and an associated color space.

init?(patternSpace: CGColorSpace, pattern: CGPattern, components: UnsafePointer<CGFloat>)

Creates a color using a list of intensity values (including alpha), a pattern color space, and a pattern.