Allegro 5.0.10 / 5.1.8 Unstable

Allegro is a freely distributed game programming library for C/C++ developers
Allegro - In this diagram you can view how a pixel output is calculated by the GPU using the mathematical description of several shapes
  2 Screenshots
Allegro is an easy to use, simple game programming library made available for C and C++ developers.

Allegro comes with various other functions like graphics, sounds, or timers, as well as floating or fixed mathematical functions.

The library is also portable and targets multimedia programming, as well as game development.

Main features:

  • Graphic functions:
  • Vector drawing:
  • pixels, lines, rectangles, circles, ellipses, arcs, Bezier splines
  • shape fill, with or without pattern
  • polygons: flat, Gouraud, textured (3D) and translucent
  • Sprites:
  • masked, compressed and compiled sprites
  • blitting, rotation, stretching, reduction, alpha blending, Gouraud shading
  • native support for BMP, LBM, PCX and TGA files (others supported with library extensions)
  • Color palettes:
  • color palette manipulation (reading, writing, conversion)
  • conversion of color formats RGB HSV
  • Text:
  • support for different encodings and conversion, default is UTF-8
  • bitmap fonts (masking, colouring, alignment)
  • Misc:
  • draw directly on the screen or on any-size memory bitmaps
  • hardware scrolling and triple buffering (where available), mode-X split screen
  • animation functions for FLI/FLC format
  • Graphic drivers:
  • Unix:
  • X Window, DGA, fbcon
  • SVGAlib
  • VBE/AF
  • mode-X
  • VGA
  • Windows:
  • DirectX (windowed or full-screen)
  • GDI
  • MacOS X:
  • Quartz (windowed or full-screen)
  • BeOS:
  • BWindowScreen
  • BDirectWindow
  • Dos:
  • VGA 13h mode
  • mode-X (23 VGA resolution plus unchained 640x400 extended mode)
  • SVGA modes in 8, 15, 16, 24 and 32 bits per pixel
  • linear VBE 2.0 framebuffer access
  • hardware acceleration through VBE/AF API if supported
  • additional graphic drivers through FreeBE/AF project
  • OpenGL:
  • The AllegroGL addon allows to use OpenGL graphics with Allegro.
  • Sound functions:
  • Midi:
  • native MIDI music format support (with 64 simultaneous effects)
  • dynamic control/response to music note on, note off, main volume, pan, pitch bend, and program change
  • uses General MIDI patches
  • you can read in wavetable patches for MIDI files (SF2 and GUS patches)
  • Wave:
  • native support of WAV and VOC file formats (playing looped forward, backwards or bidirectional)
  • streaming audio
  • modify volume, pan, pitch, etc during play
  • Sound drivers:
  • Unix:
  • OSS
  • ALSA (0.5/0.9/1.0)
  • ESD
  • aRts
  • JACK
  • SGI AL
  • Windows:
  • DirectSound
  • WaveOut
  • MIDI system drivers
  • MacOS X:
  • Core Audio
  • Sound Manager
  • Core Audio MIDI
  • QuickTime MIDI
  • Dos:
  • Adlib, SB, SB Pro, SB16, AWE32
  • MPU-401
  • ESS AudioDrive
  • Ensoniq Soundscape
  • Windows Sound System
  • Math functions:
  • fixed point arithmetic and trigonometric routines
  • precalculated trigonometric tables
  • vector/matrix/quaternions 3d manipulation (translation, rotation, scaling, projection)
  • Misc:
  • mouse, keyboard and joystick management
  • high resolution interrupt timers (resolution of 10, 5 or less ms depending on platform)
  • vertical retrace simulation
  • manipulate configuration files
  • manipulate compressed files in LZSS format
  • manipulate multi-object resource-like compressed datafiles
  • tool for creating datafiles (grabber)
  • simple GUI for dialogs and file selector

last updated on:
January 14th, 2014, 20:34 GMT
file size:
3.2 MB
license type:
developed by:
Allegro Game Team
operating system(s):
Mac OS X
binary format:
Universal Binary
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2 Screenshots
Allegro - An example of pixel output resulting from the invocation of several primitives addon functions.
What's New in version 5.1.8 Unstable
  • Core:
  • Allow MSVC to use DLL TLS but disable DLL TLS by default.
  • Do not include windows.h via allegro.h.
  • Fix some memory leaks on X11.
read full changelog

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