1995-1996
Spencer Kimball & Peter Mattis
Returns whether the drawable is a grayscale type.
This procedure returns TRUE if the specified drawable is of type { Gray, GrayA }.
unknown
| Type | Name | Description |
|---|---|---|
| PF_DRAWABLE | drawable | The drawable |
| Type | Name | Description |
|---|---|---|
| PF_INT | is-gray | TRUE if the drawable is a grayscale type (TRUE or FALSE) |