vga_addtiming (3)
add a timing line to svgalib user timing list
SYNOPSIS
#include <vga.h>
int vga_guesstiming(int x, int y, int clue, int arg);
DESCRIPTION
Calculates a timing line for a
x*y
resolution, according to the value of
clue.
CALCULATION METHODS
If
clue
is 0, then the aspect ratio for the requested mode (
x:y
) must be 4:3. A mode with the same aspect ratio closest to the requested, while still having a higher resolution
is found, and then scaled down to the requested mode.
If
clue
is 1, then the aspect ratio for the requested mode (
x:y
) must be 4:3. A mode with the same aspect ratio closest to the requested, while still having a lower resolution
is found, and then scaled down to the requested mode.
BUGS
No guarantee that a modeline will be created, or that a created modeline will be usefull is given.
SEE ALSO
AUTHOR
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