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# Qtopia Core

Qtopia Core is a C++ framework for GUI and application development for embedded devices. It runs on a variety of processors, usually with Embedded Linux. Qtopia Core provides the standard Qt API for embedded devices with a lightweight window system.

Qtopia Core applications write directly to the framebuffer, eliminating the need for the X Window System and saving memory. The Linux framebuffer is enabled by default on all modern Linux distributions. For information on older versions, see http://en.tldp.org/HOWTO/Framebuffer-HOWTO.html. For development and debugging purposes, Qtopia Core provides a virtual framebuffer. It is also possible to run an application using the VNC protocol.

Getting Started | Reference | Features
--- | --- | ---
Architecture Overview Installation Running Applications Examples | Classes Environment Variables Font Licenses | Pointer Handling Character Input Display Management OpenGL Fonts
Development | Porting | Optimization
Virtual Framebuffer VNC Protocol Testing the Linux Framebuffer Cross Compiling Applications Deploying Applications | Porting Qt Applications to Qtopia Core Porting Qtopia Core to a New Architecture Porting Qtopia Core to Another Operating System | Performance Tuning Fine-Tuning Features Adding an Accelerated Graphics Driver