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cp /config/ScreenShot /dev/fb0
Another approach to create graphical applications is to use the open source Nano-X
Window System or Trolltech's Qtopia Core. These class libraries will automatically detect
the display and use it.
The Nano-X Window System is installed in the root filesystem. To start your Nano-X
application you have to start the Nano-X-server first and then your Nano-X application:
Nano-X &
./YourApplication
To know more about creating applications with the Nano-X Window System refer to the
project homepage www.MicroWindows.org. There you can download the newest version
of Nano-X Window System as well as the API-documentation and tutorials.
You can also use Trolltech's (www.trolltech.com) platform independent class library QT.
Accurately you will need the Qtopia Core libraries that are designed for ARM-processors
with framebuffer devices. This library includes different display styles and other useful
classes for creating graphical applications.
Because of incompatibilities, Qtopia only works properly on displays with 8-bit color depth.
But keep in mind that graphical Qtopia applications will need at least 5 megabytes of disk
space whereas Nano-X applications including the Nano-X server need less than one
megabyte.
You can download an evaluation Version from http://www.trolltech.com/products/qtopia.
API-documentation and tutorials can be found at http://doc.trolltech.com/.
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