void AudioDisplay::PaintMarkers(wxDC &dc, TimeRange updtime)
{
AudioMarkerVector markers;
controller->GetTimingController()->GetMarkers(updtime, markers);
if (markers.empty()) return;
wxDCPenChanger pen_retainer(dc, wxPen());
wxDCBrushChanger brush_retainer(dc, wxBrush());
for (const auto marker : markers)
{
int marker_x = RelativeXFromTime(marker->GetPosition());
dc.SetPen(marker->GetStyle());
dc.DrawLine(marker_x, audio_top, marker_x, audio_top+audio_height);
if (marker->GetFeet() == AudioMarker::Feet_None) continue;
dc.SetBrush(wxBrush(marker->GetStyle().GetColour()));
dc.SetPen(*wxTRANSPARENT_PEN);
if (marker->GetFeet() & AudioMarker::Feet_Left)
PaintFoot(dc, marker_x, -1);
if (marker->GetFeet() & AudioMarker::Feet_Right)
PaintFoot(dc, marker_x, 1);
}
}
void AudioTimingControllerKaraoke::GetMarkers(TimeRange const& range, AudioMarkerVector &out) const {
size_t i;
for (i = 0; i < markers.size() && markers[i] < range.begin(); ++i) ;
for (; i < markers.size() && markers[i] < range.end(); ++i)
out.push_back(&markers[i]);
if (range.contains(start_marker)) out.push_back(&start_marker);
if (range.contains(end_marker)) out.push_back(&end_marker);
keyframes_provider.GetMarkers(range, out);
video_position_provider.GetMarkers(range, out);
}
void AudioMarkerProviderKeyframes::GetMarkers(TimeRange const& range, AudioMarkerVector &out) const {
// Find first and last keyframes inside the range
auto a = lower_bound(markers.begin(), markers.end(), range.begin());
auto b = upper_bound(markers.begin(), markers.end(), range.end());
// Place pointers to the markers in the output vector
for (; a != b; ++a)
out.push_back(&*a);
}
void SecondsMarkerProvider::GetMarkers(TimeRange const& range, AudioMarkerVector &out) const {
if (!enabled->GetBool()) return;
if ((range.length() + 999) / 1000 > (int)markers.size())
markers.resize((range.length() + 999) / 1000, Marker(pen.get()));
size_t i = 0;
for (int time = ((range.begin() + 999) / 1000) * 1000; time < range.end(); time += 1000) {
markers[i].position = time;
out.push_back(&markers[i++]);
}
}
void GetMarkers(const SampleRange &range, AudioMarkerVector &out) const
{
// Find first and last keyframes inside the range
std::vector<AudioMarkerKeyframe>::const_iterator a = std::lower_bound(
keyframe_samples.begin(), keyframe_samples.end(), range.begin());
std::vector<AudioMarkerKeyframe>::const_iterator b = std::upper_bound(
keyframe_samples.begin(), keyframe_samples.end(), range.end());
// Place pointers to the markers in the output vector
for (; a != b; ++a)
out.push_back(&*a);
}
void VideoPositionMarkerProvider::GetMarkers(const TimeRange &range, AudioMarkerVector &out) const {
if (marker && range.contains(*marker))
out.push_back(marker.get());
}
