/usr/include/libhocr/ho_bitmap_hist.h is in libhocr-dev 0.10.17-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ho_bitmap_hist.h
*
* Fri Aug 12 20:13:33 2005
* Copyright 2005-2007 Yaacov Zamir
* <kzamir@walla.co.il>
****************************************************************************/
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ho_bitmap_hist.h
@brief libhocr C language header.
libhocr - LIBrary for Hebrew Optical Character Recognition
*/
#ifndef HO_BITMAP_HIST_H
#define HO_BITMAP_HIST_H 1
/* hocr bitmap_hist set/get macros */
#define ho_bitmap_hist_get_width(m) ((m)->width)
#define ho_bitmap_hist_get_height(m) ((m)->height)
#define ho_bitmap_hist_get_fill(m) ((m)->fill)
#define ho_bitmap_hist_get_max_x(m) ((m)->max_x)
#define ho_bitmap_hist_get_max_y(m) ((m)->max_y)
#define ho_bitmap_hist_get_max_x_index(m) ((m)->max_x_index)
#define ho_bitmap_hist_get_max_y_index(m) ((m)->max_y_index)
/** @struct ho_bitmap_hist
@brief libhocr bitmap histogram struct
*/
typedef struct
{
int height;
int width;
int fill;
int max_x;
int max_y;
int max_x_index;
int max_y_index;
unsigned int *data_x;
unsigned int *data_y;
} ho_bitmap_hist;
/**
new ho_bitamp_hist
@param height hight of bitmap in pixels
@param width width of bitmap in pixels
@return newly allocated ho_bitmap_hist
*/
ho_bitmap_hist *ho_bitmap_hist_new (const int width, const int height);
/**
free an ho_bitmap_hist
@param m pointer to an ho_bitmap_hist
@return FALSE
*/
int ho_bitmap_hist_free (ho_bitmap_hist * m);
/**
update an ho_bitmap_hist from ho_bitmap data
@param hist pointer to an ho_bitmap_hist
@param m pointer to an ho_bitmap
@return FALSE
*/
int ho_bitmap_hist_update(ho_bitmap_hist * hist, const ho_bitmap * m);
#endif /* HO_BITMAP_HIST_H */
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