Re: 256 color mode and ximtool
Re: 256 color mode and ximtool
- Subject: Re: 256 color mode and ximtool
- From: Jeremy Huddleston <email@hidden>
- Date: Wed, 17 Sep 2008 09:32:45 -0700
Please answer my other question as well.
Are you *REALLY* using 256 color mode in X11? What is the output if
you run 'defaults read org.x.x11 depth'? Check X11->Preferences-
>Output->Colors.
--Jeremy
On Sep 17, 2008, at 09:24, Bruce Truax wrote:
This did work on Tiger, I just tested it again today on a Tiger
system. The
ximtool program does use 8-bit pseudocolor.
The switch will happen on mouse over if you set focus-follows-mouse,
otherwise you do have to click in the window.
Bruce
On 9/17/08 12:16 PM, "Jeremy Huddleston" <email@hidden> wrote:
First, are you using 256 color mode option? Check X11->Preferences-
Output? 8bit visuals in TrueColor mode don't work right yet (there
are some problems with the color maps that I haven't traced down yet,
so the colors will be off).
Did this "color to grey" work in X11 on Tiger? I don't think we
supported an 8bit grayscale visual. Or is it actually using
PseudoColor 8bit grey colormap?
Is your problem that the switch is happening "on click" rather than
"on mouse over"? If so, I come back to wondering if this worked on
Tiger or not. The window should be getting notifications of mouse
entering or leaving just like any other X11 application does.
On Sep 17, 2008, at 05:18, Bruce Truax wrote:
I just tried ximtool with the new 256 color mode and it does not
work
properly. Ximtool is a display tool for astronomy which operates
only in
256 color mode. Normally when you put your mouse within the window
the
color map gets switched to 256 greys, when you go out of the window
the
colors get remapped to the color mode used by the active window.
With the
latest release of X11 the color map will not switch when you
activate the
ximtool window. It will switch if you use the mouse to draw a
cursor on the
image, then the redrawn area within the cursor will have the correct
color
map. But it will not automatically switch when the mouse enters the
window.
There is another feature of ximtool which also does not work and is
probably
related. When the cursor is within the image area and you press on
the
right mouse button and move the mouse the color map is supposed to
update in
real time changing the greyscale mapping (it adjusts the contrast
and
display range). The right mouse button does get sent to the program
because
other right mouse button functions work as expected but the
remapping of the
colors does not function.
Jeremy, I apologize for not testing this during the rc phase but I
was using
X11 for some critical work and I did not want to take the chance of
breaking
anything. This is not a critical issue for me because I have
migrated to
ds9 for most display tasks but I would like to see ximtool work once
again
if possible (it has not worked since the old tiger 256 color mode
was
nixed).
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