Universal Graphics & Input
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README.md

unigi

unigi (Universal Graphics & Input) is a collection of headers, that implement a cross-platform API for drawing to the screen (framebuffer or window), and taking inputs (keyboard, mouse, joypad). This approach should work well for general computers, like PCs and many 6th generation consoles.

This repository contains documentation, links and example applications.

Compatibility

  • Highly compatible with compilers (C89, simple preprocessors)
  • No make required, entirely configurable from your compiler, or header files
  • Supports wide range of hardware (16-bit+, little/big endian)
  • Standardized 16-bit color format (AAAARRRRGGGGBBBB, effectively 12-bit on most platforms)
  • Screen coordinates are standardized
  • Decent performance (Though some performance is sacrificed for standardization)

Layers

A unigi app is built from different layers:

  • Headers - The functions to be implemented by the Platform
  • Platform - Implements the functions from Headers to work on a particular system
  • ... - Optionally, more layers
  • App - Your code, uses other layers for input/output. You can find examples in test/*

Platforms

Platforms act as the translation layer for different systems. The idea is to minimize the amount of work it takes to port graphical applications.

Official platforms

  • SDL1 - The highly compatible SDL 1.2, works on old Linux and Windows 95+
  • SDL2 (soon) - SDL 2.x, works on somewhat recent Linux and Windows XP+
  • DOS (soon) - DOS (Disk Operating System), compatible with FreeDOS and MS-DOS
  • PSP (soon) - PlayStation Portable gaming console
  • Null (soon) - A placeholder that does "nothing", good if you want to test basic compilation for an unsupported platform