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use gdk_sys;
use glib::translate::*;
use std::num::NonZeroU64;
use FrameTimings;
impl FrameTimings {
pub fn get_predicted_presentation_time(&self) -> Option<NonZeroU64> {
let predicted_presentation_time = unsafe {
gdk_sys::gdk_frame_timings_get_predicted_presentation_time(self.to_glib_none().0)
};
assert!(predicted_presentation_time >= 0);
NonZeroU64::new(predicted_presentation_time as u64)
}
pub fn get_presentation_time(&self) -> Option<NonZeroU64> {
let presentation_time =
unsafe { gdk_sys::gdk_frame_timings_get_presentation_time(self.to_glib_none().0) };
assert!(presentation_time >= 0);
NonZeroU64::new(presentation_time as u64)
}
pub fn get_refresh_interval(&self) -> Option<NonZeroU64> {
let refresh_interval =
unsafe { gdk_sys::gdk_frame_timings_get_refresh_interval(self.to_glib_none().0) };
assert!(refresh_interval >= 0);
NonZeroU64::new(refresh_interval as u64)
}
}