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/*
* Copyright (C) 2008 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 bim_HISTOEQ_EM_H
#define bim_HISTOEQ_EM_H
/* ---- includes ----------------------------------------------------------- */
#include "b_BasicEm/Context.h"
#include "b_ImageEm/UInt8Image.h"
/* ---- related objects --------------------------------------------------- */
struct bim_UInt8Image;
struct bts_Int16Rect;
/* ---- typedefs ----------------------------------------------------------- */
/* ---- constants ---------------------------------------------------------- */
/* ---- external functions ------------------------------------------------- */
/** Histogram equalization of image */
void bim_UInt8Image_equalize( struct bbs_Context* cpA,
struct bim_UInt8Image* imagePtrA );
/** Histogram equalization using histogram generated from subregion.
* While the histogram is taken only in the specified sub-section of the
* image, the equalization, i.e. remapping of the pixel values, is
* performed on the whole image.
*
* @param imagePtrA pointer to image to be equalized
* @param sectionPtrA section specifying region in image where histogram is
* generated from
*/
void bim_UInt8Image_equalizeSection( struct bbs_Context* cpA,
struct bim_UInt8Image* imagePtrA,
const struct bts_Int16Rect* sectionPtrA );
/* ------------------------------------------------------------------------- */
#endif /* bim_HISTOEQ_EM_H */