polygon node: early crude implementation

app/widget/timetarget/timetarget.cpp

@@ -0,0 +1,83 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "timetarget.h"
+
+OLIVE_NAMESPACE_ENTER
+
+TimeTargetObject::TimeTargetObject() :
+  time_target_(nullptr),
+  path_index_(0)
+{
+}
+
+Node *TimeTargetObject::GetTimeTarget() const
+{
+  return time_target_;
+}
+
+void TimeTargetObject::SetTimeTarget(Node *target)
+{
+  time_target_ = target;
+
+  TimeTargetChangedEvent(time_target_);
+}
+
+void TimeTargetObject::SetPathIndex(int index)
+{
+  path_index_ = index;
+}
+
+rational TimeTargetObject::GetAdjustedTime(Node* from, Node* to, const rational &r, NodeParam::Type direction) const
+{
+  if (!from || !to) {
+    return r;
+  }
+
+  return GetAdjustedTime(from, to, TimeRange(r, r), direction).in();
+}
+
+TimeRange TimeTargetObject::GetAdjustedTime(Node* from, Node* to, const TimeRange &r, NodeParam::Type direction) const
+{
+  if (!from || !to) {
+    return r;
+  }
+
+  QList<TimeRange> adjusted = from->TransformTimeTo(r, to, direction);
+
+  if (adjusted.isEmpty()) {
+    return r;
+  }
+
+  return adjusted.at(path_index_);
+}
+
+/*int TimeTargetObject::GetNumberOfPathAdjustments(Node* from, NodeParam::Type direction) const
+{
+  if (!time_target_) {
+    return 0;
+  }
+
+  QList<TimeRange> adjusted = from->TransformTimeTo(TimeRange(), time_target_, direction);
+
+  return adjusted.size();
+}*/
+
+OLIVE_NAMESPACE_EXIT