1 files changed, 171 insertions, 0 deletions
diff --git a/jni/feature_mos/src/mosaic/ImageUtils.h b/jni/feature_mos/src/mosaic/ImageUtils.h
new file mode 100644
index 0000000..9a47cc1
--- /dev/null
+++ b/jni/feature_mos/src/mosaic/ImageUtils.h
@@ -0,0 +1,171 @@
+/*
+ * 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.
+ */
+
+///////////////////////////////////////////////////
+// ImageUtils.h
+// $Id: ImageUtils.h,v 1.9 2011/05/16 15:33:06 mbansal Exp $
+
+#ifndef IMAGE_UTILS_H
+#define IMAGE_UTILS_H
+
+#include <stdlib.h>
+
+/**
+ *  Definition of basic image types
+ */
+typedef unsigned char ImageTypeBase;
+typedef ImageTypeBase *ImageType;
+
+typedef short ImageTypeShortBase;
+typedef ImageTypeShortBase *ImageTypeShort;
+
+typedef float ImageTypeFloatBase;
+typedef ImageTypeFloatBase *ImageTypeFloat;
+
+
+class ImageUtils {
+public:
+
+  /**
+   *  Default number of channels in image.
+   */
+  static const int IMAGE_TYPE_NUM_CHANNELS = 3;
+
+  /**
+   *  Definition of an empty image.
+   */
+  static const int IMAGE_TYPE_NOIMAGE = NULL;
+
+  /**
+   *  Convert image from BGR (interlaced) to YVU (non-interlaced)
+   *
+   *  Arguments:
+   *    out: Resulting image (note must be preallocated before
+   *    call)
+   *    in: Input image
+   *    width: Width of input image
+   *    height: Height of input image
+   */
+  static void rgb2yvu(ImageType out, ImageType in, int width, int height);
+
+  /**
+   *  Convert image from YVU (non-interlaced) to BGR (interlaced)
+   *
+   *  Arguments:
+   *    out: Resulting image (note must be preallocated before
+   *    call)
+   *    in: Input image
+   *    width: Width of input image
+   *    height: Height of input image
+   */
+  static void yvu2rgb(ImageType out, ImageType in, int width, int height);
+  static void yvu2bgr(ImageType out, ImageType in, int width, int height);
+
+  /**
+   *  Convert image from BGR to grayscale
+   *
+   *  Arguments:
+   *    in: Input image
+   *    width: Width of input image
+   *    height: Height of input image
+   *
+   *  Return:
+   *    Pointer to resulting image (allocation is done here, free
+   *    must be done by caller)
+   */
+  static ImageType rgb2gray(ImageType in, int width, int height);
+  static ImageType rgb2gray(ImageType out, ImageType in, int width, int height);
+
+  /**
+   *  Read a binary PPM image
+   */
+  static ImageType readBinaryPPM(const char *filename, int &width, int &height);
+
+  /**
+   *  Write a binary PPM image
+   */
+  static void writeBinaryPPM(ImageType image, const char *filename, int width, int height, int numChannels = IMAGE_TYPE_NUM_CHANNELS);
+
+  /**
+   *  Allocate space for a standard image.
+   */
+  static ImageType allocateImage(int width, int height, int numChannels, short int border = 0);
+
+  /**
+   *  Free memory of image
+   */
+  static void freeImage(ImageType image);
+
+  static ImageType *imageTypeToRowPointers(ImageType out, int width, int height);
+  /**
+   *  Get time.
+   */
+  static double getTime();
+
+protected:
+
+  /**
+  *  Constants for YVU/RGB conversion
+  */
+  static const int REDY = 257;
+  static const int REDV = 439;
+  static const int REDU = 148;
+  static const int GREENY = 504;
+  static const int GREENV = 368;
+  static const int GREENU = 291;
+  static const int BLUEY = 98;
+  static const int BLUEV = 71;
+  static const int BLUEU = 439;
+
+};
+
+/**
+ * Structure containing an image and other bookkeeping items.
+ * Used in YUVinfo to store separate YVU image planes.
+ */
+typedef struct {
+  ImageType *ptr;
+  unsigned short width;
+  unsigned short height;
+  unsigned short border;
+  unsigned short pitch;
+} BimageInfo;
+
+/**
+ * A YUV image container,
+ */
+class YUVinfo {
+public:
+  static YUVinfo *allocateImage(unsigned short width, unsigned short height);
+  static void mapYUVInfoToImage(YUVinfo *img, unsigned char *position);
+
+  /**
+  * Y Plane
+  */
+  BimageInfo Y;
+
+  /**
+  *  V (1st color) plane
+  */
+  BimageInfo V;
+
+  /**
+  *  U (1st color) plane
+  */
+  BimageInfo U;
+};
+
+#endif