various changes to rendering flow and structure

2019-10-23 00:42:52 +11:00
parent 5f86b9b9c7
commit 7dec79ceaa
42 changed files with 663 additions and 888 deletions
@@ -0,0 +1,51 @@
+#include "timerange.h"
+
+TimeRange::TimeRange()
+{
+}
+
+TimeRange::TimeRange(const rational &in, const rational &out) :
+  in_(in),
+  out_(out)
+{
+  normalize();
+}
+
+const rational &TimeRange::in() const
+{
+  return in_;
+}
+
+const rational &TimeRange::out() const
+{
+  return out_;
+}
+
+void TimeRange::set_in(const rational &in)
+{
+  in_ = in;
+  normalize();
+}
+
+void TimeRange::set_out(const rational &out)
+{
+  out_ = out;
+  normalize();
+}
+
+void TimeRange::set_range(const rational &in, const rational &out)
+{
+  in_ = in;
+  out_ = out;
+  normalize();
+}
+
+void TimeRange::normalize()
+{
+  // If `out` is earlier than `in`, swap them
+  if (out_ < in_) {
+    rational temp = in_;
+    in_ = out_;
+    out_ = temp;
+  }
+}