Name
drm_rect_calc_hscale —
calculate the horizontal scaling factor
Synopsis
int drm_rect_calc_hscale ( | const struct drm_rect * src, |
| | const struct drm_rect * dst, |
| | int min_hscale, |
| | int max_hscale); |
Arguments
src
source window rectangle
dst
destination window rectangle
min_hscale
minimum allowed horizontal scaling factor
max_hscale
maximum allowed horizontal scaling factor
Description
Calculate the horizontal scaling factor as
(src width) / (dst width).
RETURNS
The horizontal scaling factor, or errno of out of limits.