// get the start and end times of what an added recording clip at a given time would be
internal static void GetAddedRecordingClipRange(TrackAsset track, WindowState state, double atTime, out double start, out double end)
{
// size to make the clip in pixels. Reasonably big so that both handles are easily manipulated,
// and the full title is normally visible
double defaultDuration = state.PixelDeltaToDeltaTime(100);
start = atTime;
end = atTime + defaultDuration;
double gapStart = 0;
double gapEnd = 0;
// no gap, pick are reasonable amount
if (!track.GetGapAtTime(atTime, out gapStart, out gapEnd))
{
start = atTime;
return;
}
if (!double.IsInfinity(gapEnd))
{
end = gapEnd;
}
start = TimeReferenceUtility.SnapToFrameIfRequired(start);
end = TimeReferenceUtility.SnapToFrameIfRequired(end);
}
static void DrawBorderOfAddedRecordingClip(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
{
if (!state.IsArmedForRecord(trackAsset))
{
return;
}
AnimationTrack animTrack = trackAsset as AnimationTrack;
if (animTrack == null || !animTrack.inClipMode)
{
return;
}
// make sure there is no clip but we can add one
TimelineClip clip = null;
if (trackAsset.FindRecordingClipAtTime(state.editSequence.time, out clip) || clip != null)
{
return;
}
float yMax = trackRect.yMax;
float yMin = trackRect.yMin;
double startGap = 0;
double endGap = 0;
trackAsset.GetGapAtTime(state.editSequence.time, out startGap, out endGap);
if (double.IsInfinity(endGap))
{
endGap = visibleTime.y;
}
if (startGap > visibleTime.y || endGap < visibleTime.x)
{
return;
}
startGap = Math.Max(startGap, visibleTime.x);
endGap = Math.Min(endGap, visibleTime.y);
float xMin = state.TimeToPixel(startGap);
float xMax = state.TimeToPixel(endGap);
Rect r = Rect.MinMaxRect(xMin, yMin, xMax, yMax);
ClipDrawer.DrawBorder(r, ClipBorder.kRecording, ClipBlends.kNone);
}