func NewView(state *State, context *ui.Context, timeline *timeline.Timeline) *View {
ui := &View{}
ui.State = state
ui.Timeline = timeline
ui.Context = context
ui.Size = context.Area.Size()
ui.Start = 0
ui.Stop = 1e5
if len(timeline.Procs) > 0 {
ui.Stop = timeline.Procs[0].Time
}
ui.Span = ui.Stop - ui.Start
ui.TimePerPx = ui.Span / trace.Time(context.Area.Dx())
return ui
}
func (stream *Stream) advanceTime(amount int32) trace.Time {
return trace.Time(atomic.AddInt32(&stream.time, amount))
}