checkpoint animations

Change-Id: I14ef05bf56470565e4b0cb706f9fb358cdcb42ff
diff --git a/libs/rs/rsAnimation.h b/libs/rs/rsAnimation.h
new file mode 100644
index 0000000..b8db661
--- /dev/null
+++ b/libs/rs/rsAnimation.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2009 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 ANDROID_RS_ANIMATION_H
+#define ANDROID_RS_ANIMATION_H
+
+#include "rsUtils.h"
+#include "rsObjectBase.h"
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace renderscript {
+
+
+class Animation : public ObjectBase
+{
+public:
+    ~Animation();
+
+    static Animation * create(Context *rsc,
+                              const float *inValues, const float *outValues,
+                              uint32_t valueCount, RsAnimationInterpolation,
+                              RsAnimationEdge pre, RsAnimationEdge post);
+
+    float eval(float) const;
+
+
+protected:
+    Animation(Context *rsc);
+
+
+
+    float evalInRange(float) const;
+
+
+
+    const float *mValuesInput;
+    const float *mValuesOutput;
+    uint32_t mValueCount;
+    RsAnimationInterpolation mInterpolation;
+    RsAnimationEdge mEdgePre;
+    RsAnimationEdge mEdgePost;
+
+    // derived
+    float mInputMin;
+    float mInputMax;
+};
+
+
+
+
+}
+}
+#endif //ANDROID_STRUCTURED_ELEMENT_H
+