diff options
Diffstat (limited to 'src/mtstate.h')
| -rw-r--r-- | src/mtstate.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mtstate.h b/src/mtstate.h index fa297cd..a8feaa4 100644 --- a/src/mtstate.h +++ b/src/mtstate.h @@ -44,5 +44,19 @@ void output_mtstate(const struct MTState *s); const struct MTFinger *find_finger(const struct MTState *s, int id); + +static inline int center_dist2(const struct MTFinger *a, + const struct Capabilities *caps) +{ + return dist2(a->hw.position_x - get_cap_xmid(caps), + a->hw.position_y - get_cap_ymid(caps)); +} + +static inline int center_maxdist2(const struct Capabilities *caps) +{ + return dist2(caps->abs_position_x.maximum - get_cap_xmid(caps), + caps->abs_position_y.maximum - get_cap_ymid(caps)); +} + #endif |