Commit 334faa08 authored by Jan Djärv's avatar Jan Djärv
Browse files

* xfns.c (Fx_display_color_cells): Use number of planes to calculate

how many colors can be displayed.
parent bb62616f
2004-03-01 Jan Dj,Ad(Brv <jan.h.d@swipnet.se>
* xfns.c (Fx_display_color_cells): Use number of planes to calculate
how many colors can be displayed.
2004-03-01 Kenichi Handa <handa@m17n.org>
* editfns.c (Ftranslate_region): Handle multibyte chars in TABLE
......
......@@ -3758,8 +3758,17 @@ If omitted or nil, that stands for the selected frame's display. */)
{
struct x_display_info *dpyinfo = check_x_display_info (display);
return make_number (DisplayCells (dpyinfo->display,
XScreenNumberOfScreen (dpyinfo->screen)));
int nr_planes = DisplayPlanes (dpyinfo->display,
XScreenNumberOfScreen (dpyinfo->screen));
/* Truncate nr_planes to 24 to avoid integer overflow.
Some displays says 32, but only 24 bits are actually significant.
There are only very few and rare video cards that have more than
24 significant bits. Also 24 bits is more than 16 million colors,
it "should be enough for everyone". */
if (nr_planes > 24) nr_planes = 24;
return make_number (1 << nr_planes);
}
DEFUN ("x-server-max-request-size", Fx_server_max_request_size,
......
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