** Changed in: ubuntustudio
Importance: Undecided => Wishlist
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https://bugs.launchpad.net/bugs/586532
Title:
[needs-packaging] xinput calibrator
Status in Ubuntu Studio:
New
Status in Ubuntu:
New
Bug description:
Software/xinput_calibrator
xinput calibrator
A generic touchscreen calibration program for X.Org
*
Latest version: v0.6.1 (see README)
*
Source and bugs: http://github.com/tias/xinput_calibrator
xinput_calibrator is created to fill the gap of touchscreen
calibration software, featuring:
* be generic and work for any Xorg driver (use Xinput protocol),
* output the calibration as Xorg.conf, HAL policy and UDEV rule,
* support advanced driver options, such as Evdev's dynamic calibration,
* have a minimalistic and intuitive GUI (normal X client).
For some background information on Xorg's touchscreen handling, see
this short article. The application is as good as stable and ready to
be included in distributions. Any packaging help is appreciated, you
can contact me at [email protected]
Architecture
The calibrator consists of 2 possible frontend GUIs and currently has
backends for the recommended evdev touchscreen driver, the (older)
usbtouchscreen driver and for standard X.Org touchscreen drivers (like
evtouch, mutouch, elographics, ...)
*---------* *-----------*
| GUI_X11 | | GUI_gtkmm |
*---------* *-----------*
| /
*-----------------*
| | *-------------------------------*
| CALIBRATOR | | Evdev: dynamic recalibration |
| | / *-------------------------------*
| (coordinates |
*-----------------------------------------------------------*
| from Xinput) | - | XorgPrint: prints xorg.conf and FDI policy
file on stdout |
| |
*-----------------------------------------------------------*
*-----------------* \
*-------------------------------------------------------------*
| Usbtouchscreen: dynamic recalibration
(superseded by evdev) |
*-------------------------------------------------------------*
There is room for more frontends and backends... Feature requests are
managed in the issue tracker
History
Before this application was created, the author spent quite some time
trying to find a generic touchscreen calibration program. An overview
of the calibration programs found is available at
http://tias.ulyssis.org/calibration/. An overview of how touchscreens
are handled in linux nowadays is also available:
http://tias.ulyssis.org/calibration/device_support.html
Because all existing calibrators were driver dependent and hard to
use, xinput_calibrator was created.
Xinput_calibrator is based on a simple calibrator that was proposed on
the Xorg mailinglist. The first release(v0.2.0) improved upon it by
reading axis valuators from Xinput, hence making it generic for all
touchscreen drivers. The announcement was done on the Xorg
mailinglist, and the code is on Tias' webpage.
The new version (v0.4.0) writes Xorg.conf and (HAL) FDI policy file
values, and contains a wrapper script to get axis valuator information
for the evtouch driver (evtouch does not export the current
calibration through its axis valuators). It is also the first program
to support dynamic evdev calibration, by using its advanced Xinput
functionality.
The v0.5.0 version is written entirely in the X window system, needing
no external dependencies. Because of its modular structure, other
frontends can be easily created too.
v0.6.0 contains many improvements suggested by different users,
especially from the OE community. The most important changes are an
autotools build system, debugging option, specific device selection, a
manpage and much more (see Changelog).
from:
http://www.freedesktop.org/wiki/Software/xinput_calibrator
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