The color values to allocate. On return, the pixel values for allocated colors will be filled in.

If TRUE, the colors are allocated writeable (their values can later be changed using gdkColorChange). Writeable colors cannot be shared between applications.

If TRUE, GDK will attempt to do matching against existing colors if the colors cannot be allocated as requested.

[integer] The number of colors that were not successfully allocated.

An list of length ncolors. On return, this indicates whether the corresponding color in colors was successfully allocated or not.