RenderThread animator support
Change-Id: Icf29098edfdaf7ed550bbe9d49e9eaefb4167084
diff --git a/libs/hwui/Interpolator.h b/libs/hwui/Interpolator.h
new file mode 100644
index 0000000..2cfb60c
--- /dev/null
+++ b/libs/hwui/Interpolator.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef INTERPOLATOR_H
+#define INTERPOLATOR_H
+
+namespace android {
+namespace uirenderer {
+
+class Interpolator {
+public:
+ virtual ~Interpolator() {}
+
+ virtual float interpolate(float input) = 0;
+
+ static Interpolator* createDefaultInterpolator();
+
+protected:
+ Interpolator() {}
+};
+
+class AccelerateDecelerateInterpolator : public Interpolator {
+public:
+ AccelerateDecelerateInterpolator() {}
+ virtual ~AccelerateDecelerateInterpolator() {}
+
+ virtual float interpolate(float input);
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* INTERPOLATOR_H */