library is a graphics library that outputs text instead of
pixels, so that it can work on older video cards or text
terminals. It is not unlike the famous libcaca needs a terminal
to work, thus it should work on all Unix systems (including Mac
OS X) using either the slang library or the ncurses library, on
DOS using the conio.h library, and on Windows systems ncurses
(through Cygwin emulation) or libcaca, the caca libvo driver
will be built. The differences with 16 available colors for
character output (256 color pairs) color image dithering libcaca
also has the no support for brightness, contrast, gamma You can
use some keys in the caca window to change rendering options:
libcaca will also look for certain environment variables: Set
recommended caca driver. e.g. ncurses, slang, x11. Specifies the
number of rows and columns. e.g. 128x50. Specifies the font to
use. e.g. fixed, nexus. Use the -framedrop option if your
computer is not fast enough to render all frames.