Generic Image Decoder

The Generic Image Decoder (GID) is an Ada package for decoding a broad variety of image formats, from any data stream, to any kind of medium, be it an in-memory bitmap, a GUI object, some other stream, floating-point data for scientific calculations, a browser element, a device,... Animations are supported.

Some features:

Standalone (no dependency on other libraires, bindings,...)

Unconditionally portable code: OS-, CPU-, compiler- independent code.

Multi-platform, but native code build

Task safe

Endian-neutral

Free, open-source

pure Ada 95: this broadly compatible package can be used in projects in Ada 95, Ada 2005, Ada 2012 and later language versions

Some possible applications:

image processing (interactive or not)
image analysis, text recognition
a drawing program
a web browser
use of images as data for simulations
thumbnail generation for a file manager

Currently supported formats are: BMP, GIF, JPEG, PNG, TGA

Download:

Download the package from the SourceForge project page.

An example of output, with alpha transparency:

GIF animation with transparency, decoded using a background image, then reassembled:

Launch in external player

Contact:

Any sponsoring is welcome... can be just a beer's price!

Visit also the project on SourceForge!

Some Ada compilers:

GNAT Professional (non-free support)

GNAT Public version, free, full sources

ObjectAda (Atego) Ada compiler

ObjectAda Special Edition: free, limited version

HP

Janus (RR Software)

ICC

XGC

GID - a graphic decoder in the Ada programming language