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author | Hans de Goede <hdegoede@redhat.com> | 2014-07-04 16:59:50 +0200 |
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committer | Peter Hutterer <peter.hutterer@who-t.net> | 2014-07-09 12:40:01 +1000 |
commit | 289949d0c43e4753ecc77ee05ee2092c893f7941 (patch) | |
tree | 7261b412d1bf43783fbd1778bd9c088476345c40 | |
parent | 6e8f5f28e230f849f77dd3381cf21f76c080b261 (diff) | |
download | libinput-289949d0c43e4753ecc77ee05ee2092c893f7941.tar.gz |
accel_profile_smooth_simple: Make 0.0-1.0 accel range depend on threshold
Instead of always going from an accel of 0.0 to 1.0 between a velocity of
0.0 and 1.0, make the lead-in length of the curve depend on the threshold
setting, using half of the threshold for the lead-in.
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>
-rw-r--r-- | src/filter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/filter.c b/src/filter.c index 8192dd0c..6fbd4d91 100644 --- a/src/filter.c +++ b/src/filter.c @@ -343,8 +343,8 @@ pointer_accel_profile_smooth_simple(struct motion_filter *filter, velocity *= DEFAULT_CONSTANT_ACCELERATION; - if (velocity < 1.0) - return calc_penumbral_gradient(0.5 + velocity * 0.5) * 2.0 - 1.0; + if (velocity < (threshold / 2.0)) + return calc_penumbral_gradient(0.5 + velocity / threshold) * 2.0 - 1.0; if (velocity <= threshold) return 1.0; |