libcaca-env.3caca man page
libcaca-env — Libcaca environment variables Some environment variables can be used to change the behaviour of libcaca without having to modify the program which uses it. These variables are:
- CACA_DRIVER: set the backend video driver. In order of preference:
coniouses the DOS conio.h interface.
ncursesuses the ncurses library.
slanguses the S-Lang library.
x11uses the native X11 driver.
gluses freeglut and opengl libraries.
rawoutputs to the standard output instead of rendering the canvas. This is can be used together with cacaserver.
- CACA_GEOMETRY: set the video display size. The format of this variable must be
Ybeing integer values. This option currently works with the raw, X11 and GL drivers.
- CACA_FONT: set the rendered font. The format of this variable is implementation dependent, but since it currently only works with the X11 driver, an X11 font name such as
libcaca Version 0.99.beta19 Tue Jul 19 2016