67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
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* Copyright © 2012 Jonas Ådahl
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _FILTER_H_
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#define _FILTER_H_
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#include "config.h"
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#include <wayland-util.h>
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#include "compositor.h"
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struct weston_motion_params {
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double dx, dy;
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};
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struct weston_motion_filter;
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WL_EXPORT void
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weston_filter_dispatch(struct weston_motion_filter *filter,
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struct weston_motion_params *motion,
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void *data, uint32_t time);
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struct weston_motion_filter_interface {
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void (*filter)(struct weston_motion_filter *filter,
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struct weston_motion_params *motion,
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void *data, uint32_t time);
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void (*destroy)(struct weston_motion_filter *filter);
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};
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struct weston_motion_filter {
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struct weston_motion_filter_interface *interface;
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};
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WL_EXPORT struct weston_motion_filter *
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create_linear_acceleration_filter(double speed);
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typedef double (*accel_profile_func_t)(struct weston_motion_filter *filter,
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void *data,
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double velocity,
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uint32_t time);
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WL_EXPORT struct weston_motion_filter *
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create_pointer_accelator_filter(accel_profile_func_t filter);
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#endif // _FILTER_H_
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