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/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdint.h>
#include <inttypes.h>
#include "config.h"
#include "compositor.h"
#include "shared/timespec-util.h"
WL_EXPORT void
weston_view_geometry_dirty(struct weston_view *view)
{
}
WL_EXPORT int
weston_log(const char *fmt, ...)
{
return 0;
}
WL_EXPORT void
weston_view_schedule_repaint(struct weston_view *view)
{
}
WL_EXPORT void
weston_compositor_schedule_repaint(struct weston_compositor *compositor)
{
}
int
main(int argc, char *argv[])
{
const double k = 300.0;
const double current = 0.5;
const double target = 1.0;
const double friction = 1400;
struct weston_spring spring;
struct timespec time = { 0 };
weston_spring_init(&spring, k, current, target);
spring.friction = friction;
spring.previous = 0.48;
spring.timestamp = (struct timespec) { 0 };
while (!weston_spring_done(&spring)) {
printf("\t%" PRId64 "\t%f\n",
timespec_to_msec(&time), spring.current);
weston_spring_update(&spring, &time);
timespec_add_msec(&time, &time, 16);
}
return 0;
}
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