Initializes a newly allocated gradient object with an array of colors.
- macOS 10.5+
An array of
NSColorobjects representing the colors to use to initialize the gradient. There must be at least two colors in the array. The first color is placed at location 0.0 and the last at location 1.0. If there are more than two colors, the additional colors are placed at evenly spaced intervals between the first and last colors.