/**
* track replay, also being called by map_invalidate_view()
*/
static void replay_redraw_view()
{
map_draw_back_layers(g_view.da->window);
replay_calculate_pixel();
replay_draw_lines();
replay_draw_flag(last_point);
/* draw current position */
draw_current_position();
}
void ViewmdaWidget1D::paintEvent ( QPaintEvent * event ) {
m_plot_data_real.clear();
m_plot_data_imag.clear();
QPainter painter(this);
if (!m_model) return;
for (long j=0; j<m_model->N1(); j++) {
m_plot_data_real << m_model->get(j).re();
m_plot_data_imag << m_model->get(j).im();
}
m_minval=-m_model->windowMax();
m_maxval=m_model->windowMax();
QPainterPath re_path;
QPainterPath im_path;
double dwidth=(double)width();
double dheight=(double)height();
for (long j=0; j<m_plot_data_real.count(); j++) {
double re=m_plot_data_real[j];
double im=m_plot_data_imag[j];
if (j==0) {
re_path.moveTo(indexToPoint(j,re));
im_path.moveTo(indexToPoint(j,im));
}
else {
re_path.lineTo(indexToPoint(j,re));
im_path.lineTo(indexToPoint(j,im));
}
}
painter.setPen(QPen(Qt::black,1));
painter.drawLine(indexToPoint(0,0),indexToPoint(m_plot_data_real.count()-1,0));
painter.setPen(QPen(Qt::darkBlue,3));
painter.drawPath(re_path);
painter.setPen(QPen(Qt::darkRed,3));
painter.drawPath(im_path);
draw_current_position(painter);
}
static void *replay_routine()
{
if (total_records == 0)
return NULL;
sigset_t sig_set;
sigemptyset(&sig_set);
sigaddset(&sig_set, SIGINT);
pthread_sigmask(SIG_BLOCK, &sig_set, NULL);
pthread_context_t *ctx = register_thread("track replay thread",
NULL, replay_thread_cleanup_func);
running = TRUE;
while(running) {
stop = FALSE;
suspend = FALSE;
suspending = FALSE;
last_draw_idx = -1;
/* settings */
LOCK_UI();
replay_update_ui_helper(TRUE);
map_draw_back_layers(g_view.da->window);
RESET_LAST_POINT();
/* the record index in the containing block */
int last_time_offset = 0;
int span, orient, start_idx, end_idx, inc;
if (direction_forward) {
start_idx = 0;
end_idx = total_records - 1;
inc = 1;
orient = GTK_PROGRESS_LEFT_TO_RIGHT;
} else {
start_idx = total_records - 1;
end_idx = 0;
inc = -1;
orient = GTK_PROGRESS_RIGHT_TO_LEFT;
}
gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar), orient);
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), 0);
gtk_button_set_label(GTK_BUTTON(start_button), "stop");
gtk_widget_set_sensitive(start_button, TRUE);
gtk_widget_set_sensitive(suspend_button, TRUE);
gtk_widget_set_sensitive(toend_button, TRUE);
gtk_widget_set_sensitive(direction_button, FALSE);
speed = gtk_adjustment_get_value(adjustment);
/* calculate pixels in tile map */
replay_calculate_pixel();
UNLOCK_UI();
int i, from = start_idx, to;
/* FIXME: better to use sigjmp here */
for (i=start_idx; direction_forward? i<=end_idx : i>=end_idx; i+=inc) {
if (! running) {
goto EXIT;
} else if (stop) {
stop = FALSE;
goto STOP;
} else if (toend) {
toend = FALSE;
i = end_idx;
} else if (suspend) {
suspend = FALSE;
suspending = TRUE;
wait_ms(0, &replay_cond, &replay_lock, TRUE);
suspending = FALSE;
LOCK_UI();
gtk_button_set_label(GTK_BUTTON(suspend_button), "suspend");
UNLOCK_UI();
}
span = abs(replay_records[i].time_offset - last_time_offset) / speed;
if (span < 1 && i != end_idx)
continue;
if (span > 1)
span = 1; // don't wait too long
to = i;
LOCK_UI();
replay_update_ui(from, to);
UNLOCK_UI();
from = to + inc;
sleep(1);
last_time_offset = replay_records[i].time_offset;
}
last_draw_idx = end_idx;
/* draw current position */
draw_current_position();
STOP:
LOCK_UI();
replay_reset_states();
UNLOCK_UI();
/* wait for restart */
wait_ms(0, &replay_cond, &replay_lock, TRUE);
}
EXIT:
free(ctx);
return NULL;
}
