drm_rect_calc_vscale
Prev Rectangle Utilities Reference Next

Name

drm_rect_calc_vscale — calculate the vertical scaling factor

Synopsis

int drm_rect_calc_vscale (const struct drm_rect * src,
 const struct drm_rect * dst,
 int min_vscale,
 int max_vscale);
 

Arguments

src

source window rectangle

dst

destination window rectangle

min_vscale

minimum allowed vertical scaling factor

max_vscale

maximum allowed vertical scaling factor

Description

Calculate the vertical scaling factor as (src height) / (dst height).

RETURNS

The vertical scaling factor, or errno of out of limits.

Prev Up Next
drm_rect_calc_hscale Home drm_rect_calc_hscale_relaxed