diff options
Diffstat (limited to 'src/filter.h')
| -rw-r--r-- | src/filter.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/filter.h b/src/filter.h index a293e5a6..f42a0c63 100644 --- a/src/filter.h +++ b/src/filter.h @@ -82,6 +82,28 @@ filter_dispatch_constant(struct motion_filter *filter, const struct device_float_coords *unaccelerated, void *data, uint64_t time); +/** + * Apply a scroll filter. + * Depending on the device, and the acceleration profile, + * this filter allows the user to accelerate the scroll movement. + * + * Takes a set of unaccelerated deltas and applies the scroll filter to it. + * + * @param filter The device's motion filter + * @param unaccelerated The unaccelerated delta in the device's dpi + * resolution as specified during filter creation. If a device has uneven + * resolution for x and y, one axis needs to be scaled to match the + * originally provided resolution. + * @param data Custom data + * @param time The time of the delta + * + * @see filter_dispatch + */ +struct normalized_coords +filter_dispatch_scroll(struct motion_filter *filter, + const struct device_float_coords *unaccelerated, + void *data, uint64_t time); + void filter_restart(struct motion_filter *filter, void *data, uint64_t time); @@ -180,4 +202,9 @@ custom_accel_profile_motion(struct motion_filter *filter, void *data, double speed_in, uint64_t time); +double +custom_accel_profile_scroll(struct motion_filter *filter, + void *data, + double speed_in, + uint64_t time); #endif /* FILTER_H */ |