Based on my previous work a while ago on Solaris workstations (and the great work at http://raspberrycompote.blogspot.co.uk) I have put together a simple library to make use of the RaspberryPI's frame buffer for unaccelerated 2D graphics.

The Library supports graphics primatives such as:

Pixel, Line, Ellipse, Rectangle, Fill, Triangle, Polygon, CopyRect, Images, DoubleBuffering/Page Flips, XY origin, TTF Fonts (via public domain code)

Using 16-bit (R5-G6-B5) colour mode (at all available screen resolutions the PI supports) it allows for a relatively fast, colourful graphics API.

You need to be running in text only mode to use this library as it does not use the X windowing system for graphics. See raspi-config options to enable this boot option.

Compilation is simple see the "comptest" file for the command line options to make the test program.

Place all the files in a folder on your PI
use> make Makefile
or run
./comptest

Features

  • C Graphics API
  • Linux Frame Buffer direct access
  • Raspberry PI
  • Low Level 16bit Graphics
  • 2D graphics without linux desktop
  • Magic Mirror Display Creator

Project Samples

Font drawing test Simple line drawing

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Raspberry Pi

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Registered

2016-09-26
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