GFX.LUA(8) FreeBSD System Manager's Manual GFX.LUA(8)
NAME
gfx.lua - bootloader graphics module
DESCRIPTION
The built-in graphics related Lua bindings for the FreeBSD boot loaders
using the Lua interpreter are available via the gfx table.
Exported Functions
The following functions are exported in the loader table.
fb_bezier(x0, y0, x1, y1, x2, y2, width)
Draw a bezier curve through the points (x0, y0), (x1, y1),
and (x2, y2) of width width. The units are in pixels and
have an origin of (0, 0).
fb_drawrect(x0, y0, x1, y1, fill)
Fill in a rectangle with the pixel fill with the corners
(x0, y0) and (x1, y1). The units are in pixels and have
an origin of (0, 0).
fb_line(x0, y0, x1, y1, width)
Draw a line from (x0, y0) to (x1, y1) with a width of
width. The units are in pixels and have an origin of (0,
0).
fb_putimage(name, x0, y0, x1, y1, f)
Load the PNG file name and place it in the rectangle with
the corners (x0, y0) and (x1, y1) and fill with pixel f.
The units are in pixels and have an origin of (0, 0).
fb_set_pixel(x, y)
Sets the pixel at (x, y). The units are in pixels and
have an origin of (0, 0).
term_drawrect(x0, y0, x1, y1)
Draw the outline of a rectangle with the text coordinate
corners of (x0, y0) and (x1, y1). The units are in
character cells and have an origin of (1, 1).
term_putimage(name, x0, y0, x1, y1, f)
Load the PNG file name and place it in the rectangle with
the text coordinate corners (x0, y0) and (x1, y1) and fill
with pixel f. The units are in character cells and have
an origin of (1, 1).
This table is optional and should only be used if it is non-nil and if
core.isFramebufferConsole() is true.
Compatibility
All the interfaces described above are also available via the loader
table through at last FreeBSD 15.0.
SEE ALSO
loader.conf(5), core.lua(8), loader(8), loader.lua(8)
AUTHORS
The gfx.lua man page was written by Warner Losh <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 March 29, 2025 FreeBSD 14.1-RELEASE-p8