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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef bim_TONE_DOWN_BG_SUPP_EM_H
     18 #define bim_TONE_DOWN_BG_SUPP_EM_H
     19 
     20 /* ---- includes ----------------------------------------------------------- */
     21 
     22 #include "b_BasicEm/Basic.h"
     23 #include "b_TensorEm/Int16Rect.h"
     24 #include "b_ImageEm/UInt8Image.h"
     25 
     26 /* ---- related objects  --------------------------------------------------- */
     27 
     28 /* ---- typedefs ----------------------------------------------------------- */
     29 
     30 /* ---- constants ---------------------------------------------------------- */
     31 
     32 /* ---- object definition -------------------------------------------------- */
     33 
     34 /* ---- associated objects ------------------------------------------------- */
     35 
     36 /* ---- external functions ------------------------------------------------- */
     37 
     38 /* ---- \ghd{ constructor/destructor } ------------------------------------- */
     39 
     40 /* ---- \ghd{ operators } -------------------------------------------------- */
     41 
     42 /* ---- \ghd{ query functions } -------------------------------------------- */
     43 
     44 /* ---- \ghd{ modify functions } ------------------------------------------- */
     45 
     46 /* ---- \ghd{ memory I/O } ------------------------------------------------- */
     47 
     48 /* ---- \ghd{ exec functions } --------------------------------------------- */
     49 
     50 /** computes the mean BG gray level outside of the rectangle */
     51 void bim_ToneDownBGSupp_BGGreyLevelOutside( struct bim_UInt8Image* imgA,
     52 											struct bts_Int16Rect* rectA,
     53 											int16 rectExpansionA,			/* this is a remnant of the original c++ class */
     54 											uint32* meanBGGrayLevelA );		/* was mistakenly converted to c */
     55 
     56 /** computes the mean BG gray level right on the rectangle contours */
     57 void bim_ToneDownBGSupp_BGGreyLevelContour( struct bim_UInt8Image* imgA,
     58 											struct bts_Int16Rect* rectA,
     59 											uint32* meanBGGrayLevelA );
     60 
     61 /** attenuates the image away from the rectangle boundary */
     62 void bim_ToneDownBGSupp_suppress( struct bim_UInt8Image* imgA,
     63 								  struct bts_Int16Rect* rectA,
     64 								  int16 rectShrinkageA,
     65 								  int32 toneDownFactorA,		/* bpb = [16.16] */
     66 								  int32 cutOffAccuracyA );		/* bpb = [16.16], put in 0 for highest accuracy */
     67 
     68 #endif /* bim_TONE_DOWN_BG_SUPP_EM_H */
     69 
     70