Re: 256 color mode and ximtool
Re: 256 color mode and ximtool
- Subject: Re: 256 color mode and ximtool
- From: Bruce Truax <email@hidden>
- Date: Wed, 17 Sep 2008 12:24:09 -0400
- Thread-topic: 256 color mode and ximtool
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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