Animation: add TrackViewStorage::values().

doc/changelog.dox

@@ -64,6 +64,11 @@ See also:
     be used by various importers to provide access to mesh data that is not
     necessarily GPU-friendly.
 
+@subsubsection changelog-latest-new-animation Animation library
+
+-   Added a @ref Animation::TrackViewStorage::values() getter for type-erased
+    access to track values
+
 @subsubsection changelog-latest-new-audio Audio library
 
 -   Added a @ref Audio::Buffer::frequency() getter

src/Magnum/Animation/Test/TrackViewTest.cpp

@@ -569,6 +569,10 @@ void TrackViewTest::constructCopyStorage() {
         Extrapolation::Extrapolated, Extrapolation::DefaultConstructed};
 
     const TrackViewStorage<Float> b = a;
+    CORRADE_COMPARE(b.keys().size(), 2);
+    CORRADE_COMPARE(b.values().size(), 2);
+    CORRADE_COMPARE(Containers::arrayCast<Float>(b.keys())[1], 5.0f);
+    CORRADE_COMPARE(Containers::arrayCast<Vector3>(b.values())[1], (Vector3{0.3f, 0.6f, 1.0f}));
 
     auto& bv = *static_cast<const TrackView<Float, Vector3>*>(&b);
 

src/Magnum/Animation/Track.h

@@ -485,12 +485,25 @@ template<class K> class TrackViewStorage {
         /**
          * @brief Key data
          *
-         * @see @ref TrackView::values(), @ref TrackView::operator[]()
+         * @see @ref values(), @ref TrackView::operator[]()
          */
         Containers::StridedArrayView1D<K> keys() const {
             return _keys;
         }
 
+        /**
+         * @brief Type-erased value data
+         * @m_since_latest
+         *
+         * Use @ref TrackView and @ref TrackView::values() to get a typed view,
+         * alternatively you can cast to a concrete type using
+         * @ref Corrade::Containers::arrayCast().
+         * @see @ref keys(), @ref TrackView::operator[]()
+         */
+        Containers::StridedArrayView1D<typename std::conditional<std::is_const<K>::value, const char, char>::type> values() const {
+            return _values;
+        }
+
     private:
         template<class, class, class> friend class TrackView;