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/*****************************************************************************
*
* grail - Gesture Recognition And Instantiation Library
*
* Copyright (C) 2010-2011 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
****************************************************************************/
#define MTDEV_NO_LEGACY_API
#include <utouch/frame-mtdev.h>
#include <grail.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <math.h>
struct frame_test {
struct evemu_device *evemu;
struct mtdev *mtdev;
utouch_frame_handle fh;
grail_handle ge;
};
static int init_evemu(struct frame_test *test, FILE *fp, int fd)
{
test->evemu = evemu_new(NULL);
if (!test->evemu)
return -1;
if (fp)
return evemu_read(test->evemu, fp) <= 0;
else
return evemu_extract(test->evemu, fd);
}
static int init_mtdev(struct frame_test *test, int fd)
{
test->mtdev = mtdev_new_open(fd);
if (!test->mtdev)
return -1;
return 0;
}
static int init_frame(struct frame_test *test, int fd)
{
test->fh = utouch_frame_new_engine(100, 32, 100);
if (!test->fh)
return -1;
return utouch_frame_init_mtdev(test->fh, test->evemu);
}
static int init_grail(struct frame_test *test)
{
struct grail_coord min = { 0, 0 };
struct grail_coord max = { 1, 1 };
test->ge = grail_new(test->fh, 10, 0);
if (!test->ge)
return -1;
grail_set_bbox(test->ge, &min, &max);
return 0;
}
static void destroy_all(struct frame_test *test)
{
grail_delete(test->ge);
utouch_frame_delete_engine(test->fh);
if (test->mtdev)
mtdev_close_delete(test->mtdev);
evemu_delete(test->evemu);
memset(test, 0, sizeof(*test));
}
static void report_frame(grail_handle ge,
const struct utouch_frame *touch)
{
const struct grail_frame *frame = grail_pump_frame(ge, touch);
int i;
if (!frame)
return;
fprintf(stderr, "ongoing elements: %d\n", frame->num_ongoing);
for (i = 0; i < frame->num_ongoing; i++) {
const struct grail_element *slot = frame->ongoing[i];
if (!slot->expect_mask)
continue;
fprintf(stderr, " element %d\n", i);
fprintf(stderr, " slot: %d\n", slot->slot);
fprintf(stderr, " id: %d\n", slot->id);
fprintf(stderr, " num_touches: %d\n", slot->num_touches);
fprintf(stderr, " expect: %d\n", slot->expect_mask);
fprintf(stderr, " active: %d\n", slot->active_mask);
fprintf(stderr, " start time: %ld\n", slot->start_time);
fprintf(stderr, " center.x: %f\n", slot->center.x);
fprintf(stderr, " center.y: %f\n", slot->center.y);
fprintf(stderr, " velocity.x: %f\n", slot->velocity.x);
fprintf(stderr, " velocity.y: %f\n", slot->velocity.y);
fprintf(stderr, " radius2: %f\n", slot->radius2);
fprintf(stderr, " %+08f %+08f %+08f\n"
" %+08f %+08f %+08f\n"
" %+08f %+08f %+08f\n",
slot->transform[0], slot->transform[1],
slot->transform[2], slot->transform[3],
slot->transform[4], slot->transform[5],
slot->transform[6], slot->transform[7],
slot->transform[8]);
fprintf(stderr, " moveness: %f\n", slot->moveness);
fprintf(stderr, " pivot.x: %f\n", slot->pivot.x);
fprintf(stderr, " pivot.y: %f\n", slot->pivot.y);
fprintf(stderr, " drag.x: %f\n", slot->drag.x);
fprintf(stderr, " drag.y: %f\n", slot->drag.y);
fprintf(stderr, " scale2: %f\n", slot->scale2);
fprintf(stderr, " angle: %f\n", slot->angle);
}
}
static void loop_device(struct frame_test *test, FILE *fp, int fd)
{
const struct utouch_frame *frame;
struct input_event ev;
if (fp) {
struct timeval evtime;
memset(&evtime, 0, sizeof(evtime));
while (evemu_read_event_realtime(fp, &ev, &evtime) > 0) {
frame = utouch_frame_pump_mtdev(test->fh, &ev);
if (frame)
report_frame(test->ge, frame);
}
} else {
while (!mtdev_idle(test->mtdev, fd, 5000)) {
while (mtdev_get(test->mtdev, fd, &ev, 1) > 0) {
frame = utouch_frame_pump_mtdev(test->fh, &ev);
if (frame)
report_frame(test->ge, frame);
}
}
}
}
static void report_device_caps(struct frame_test *test)
{
const struct utouch_surface *s = utouch_frame_get_surface(test->fh);
fprintf(stderr, "device props:\n");
if (s->needs_pointer)
fprintf(stderr, "\tpointer\n");
if (s->is_direct)
fprintf(stderr, "\tdirect\n");
if (s->is_buttonpad)
fprintf(stderr, "\tbuttonpad\n");
if (s->is_semi_mt)
fprintf(stderr, "\tsemi_mt\n");
fprintf(stderr, "device mt events:\n");
if (s->use_touch_major)
fprintf(stderr, "\ttouch_major\n");
if (s->use_touch_minor)
fprintf(stderr, "\ttouch_minor\n");
if (s->use_width_major)
fprintf(stderr, "\twidth_major\n");
if (s->use_width_minor)
fprintf(stderr, "\twidth_minor\n");
if (s->use_orientation)
fprintf(stderr, "\torientation\n");
if (s->use_pressure)
fprintf(stderr, "\tpressure\n");
if (s->use_distance)
fprintf(stderr, "\tdistance\n");
fprintf(stderr, "touch frames: %d\n",
utouch_frame_get_num_frames(test->fh));
fprintf(stderr, "touch slots: %d\n",
utouch_frame_get_num_slots(test->fh));
}
int main(int argc, char *argv[])
{
struct frame_test test;
struct stat fs;
FILE *fp = 0;
int fd;
if (argc < 2) {
fprintf(stderr, "Usage: %s <device>\n", argv[0]);
return -1;
}
memset(&test, 0, sizeof(test));
fd = open(argv[1], O_RDONLY | O_NONBLOCK);
if (fd < 0) {
fprintf(stderr, "error: could not open device\n");
return -1;
}
if (fstat(fd, &fs)) {
fprintf(stderr, "error: could not stat the device\n");
return -1;
}
if (!fs.st_rdev)
fp = fdopen(fd, "r");
if (!fp && ioctl(fd, EVIOCGRAB, 1)) {
fprintf(stderr, "error: could not grab the device\n");
return -1;
}
if (init_evemu(&test, fp, fd)) {
fprintf(stderr, "error: could not describe device\n");
return -1;
}
if (!utouch_frame_is_supported_mtdev(test.evemu)) {
fprintf(stderr, "error: unsupported device\n");
return -1;
}
fprintf(stderr, "device: %s\n", evemu_get_name(test.evemu));
if (!fp && init_mtdev(&test, fd)) {
fprintf(stderr, "error: could not init mtdev\n");
return -1;
}
if (init_frame(&test, fd)) {
fprintf(stderr, "error: could not init frame\n");
return -1;
}
if (init_grail(&test)) {
fprintf(stderr, "error: could not init grail\n");
return -1;
}
report_device_caps(&test);
loop_device(&test, fp, fd);
destroy_all(&test);
if (fs.st_rdev)
ioctl(fd, EVIOCGRAB, 0);
return 0;
}
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