fdo-mirrors/libinput
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/libinput/libinput.git synced 2025-12-26 01:40:08 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

accel_profile_smooth_simple: Cleanup

Browse source 
Cleanup the code a bit, and make sure accel is at least 1.0 .

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Hans de Goede 2014-07-04 17:16:25 +02:00 • committed by Peter Hutterer
parent f2dfbc0b82
commit 4da6dd52a4
1 changed files with 12 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
src/filter.c
View file

@ -336,20 +336,23 @@ pointer_accel_profile_smooth_simple(struct motion_filter *filter,
double accel = DEFAULT_ACCELERATION;
double smooth_accel_coefficient;
if (threshold < 1.0)
threshold = 1.0;
if (accel < 1.0)
accel = 1.0;
velocity *= DEFAULT_CONSTANT_ACCELERATION;
if (velocity < 1.0)
return calc_penumbral_gradient(0.5 + velocity * 0.5) * 2.0 - 1.0;
if (threshold < 1.0)
threshold = 1.0;
if (velocity <= threshold)
return 1;
return 1.0;
velocity /= threshold;
if (velocity >= accel) {
if (velocity >= accel)
return accel;
} else {
smooth_accel_coefficient =
calc_penumbral_gradient(velocity / accel);
return 1.0 + (smooth_accel_coefficient * (accel - 1.0));
}
smooth_accel_coefficient = calc_penumbral_gradient(velocity / accel);
return 1.0 + (smooth_accel_coefficient * (accel - 1.0));
}