From 8d78fe224269daa1e8c290cf5f7362536a3dfa75 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Fri, 25 Jan 2002 13:53:56 +0000 Subject: [PATCH] (Text Terminal Colors): Document tty-display-color-cells. --- lispref/frames.texi | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/lispref/frames.texi b/lispref/frames.texi index 345f23a3d85..af03160d992 100644 --- a/lispref/frames.texi +++ b/lispref/frames.texi @@ -1551,13 +1551,16 @@ and that name is still supported as an alias. @cindex colors on text-only terminals Emacs can display color on text-only terminals, starting with version -21. These terminals support only a small number of colors, and the -computer uses small integers to select colors on the terminal. This +21. These terminals usually support only a small number of colors, and +the computer uses small integers to select colors on the terminal. This means that the computer cannot reliably tell what the selected color looks like; instead, you have to inform your application which small integers correspond to which colors. However, Emacs does know the standard set of colors and will try to use them automatically. + The functions described in this section control how terminal colors +are used by Emacs. + @cindex rgb value Several of these functions use or return @dfn{rgb values}. An rgb value is a list of three integers, which give the amount of red, the @@ -1572,6 +1575,11 @@ will specify which terminal to operate on (the default being the selected frame's terminal; @pxref{Input Focus}). At present, though, the @var{display} argument has no effect. +@defun tty-display-color-cells &optional display +This function returns the number of distinct colors supported for +@var{display}. +@end defun + @defun tty-color-define name number &optional rgb display @tindex tty-color-define This function associates the color name @var{name} with -- 2.39.2