*
* Convert from window pixel and time interval to an absolute time.
*/
-//FIXME : could need ceil and floor versions of this function
-void convert_pixels_to_time(
+__inline void convert_pixels_to_time(
gint width,
guint x,
LttTime window_time_begin,
LttTime *time)
{
LttTime window_time_interval;
+ guint64 time_ll;
window_time_interval = ltt_time_sub(window_time_end,
window_time_begin);
- *time = ltt_time_mul(window_time_interval, (x/(float)width));
+ time_ll = ltt_time_to_uint64(window_time_interval);
+ time_ll = time_ll * x / width;
+ *time = ltt_time_from_uint64(time_ll);
*time = ltt_time_add(window_time_begin, *time);
}
-//FIXME : could need ceil and floor versions of this function
-void convert_time_to_pixels(
+__inline void convert_time_to_pixels(
LttTime window_time_begin,
LttTime window_time_end,
LttTime time,
guint *x)
{
LttTime window_time_interval;
- double interval_double, time_double;
+ guint64 time_ll, interval_ll;
g_assert(ltt_time_compare(window_time_begin, time) <= 0 &&
ltt_time_compare(window_time_end, time) >= 0);
time = ltt_time_sub(time, window_time_begin);
- /* LttTime to double conversions here should really be under 4000 hours.. */
- interval_double = ltt_time_to_double(window_time_interval);
- time_double = ltt_time_to_double(time);
+ time_ll = ltt_time_to_uint64(time);
+ interval_ll = ltt_time_to_uint64(window_time_interval);
- *x = (guint)(time_double/interval_double * width);
+ *x = (guint)(time_ll * width / interval_ll);
}