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diff --git a/jni/feature_mos/src/mosaic/Pyramid.h b/jni/feature_mos/src/mosaic/Pyramid.h
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+/*
+ * Copyright (C) 2011 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.
+ */
+
+// Pyramid.h
+
+#ifndef PYRAMID_H
+#define PYRAMID_H
+
+#include "ImageUtils.h"
+
+typedef unsigned short int real;
+
+// Structure containing a packed pyramid of type ImageTypeShort. Used for pyramid
+// blending, among other things.
+
+class PyramidShort
+{
+
+public:
+
+ ImageTypeShort *ptr; // Pointer containing the image
+ real width, height; // Width and height of input images
+ real numChannels; // Number of channels in input images
+ real border; // border size
+ real pitch; // Pitch. Used for moving through image efficiently.
+
+ static PyramidShort *allocatePyramidPacked(real width, real height, real levels, real border = 0);
+ static PyramidShort *allocateImage(real width, real height, real border);
+ static void createPyramid(ImageType image, PyramidShort *pyramid, int last = 3 );
+ static void freeImage(PyramidShort *image);
+
+ static unsigned int calcStorage(real width, real height, real border2, int levels, int *lines);
+
+ static void BorderSpread(PyramidShort *pyr, int left, int right, int top, int bot);
+ static void BorderExpandOdd(PyramidShort *in, PyramidShort *out, PyramidShort *scr, int mode);
+ static int BorderExpand(PyramidShort *pyr, int nlev, int mode);
+ static int BorderReduce(PyramidShort *pyr, int nlev);
+ static void BorderReduceOdd(PyramidShort *in, PyramidShort *out, PyramidShort *scr);
+};
+
+#endif