/usr/include/ocradlib.h is in libocrad-dev 0.25-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | /* Ocradlib - Optical Character Recognition library
Copyright (C) 2009-2015 Antonio Diaz Diaz.
This library 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 2 of the License, or
(at your option) any later version.
This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef __cplusplus
extern "C" {
#endif
const char * const OCRAD_version_string = "0.25";
/* OCRAD_Pixmap.data is a pointer to image data formed by "height" rows
of "width" pixels each.
The format for each pixel depends on mode like this:
OCRAD_bitmap --> 1 byte per pixel; 0 = white, 1 = black
OCRAD_greymap --> 1 byte per pixel; 256 level greymap (0 = black)
OCRAD_colormap --> 3 bytes per pixel; 16777216 colors RGB (0,0,0 = black) */
enum OCRAD_Pixmap_Mode { OCRAD_bitmap, OCRAD_greymap, OCRAD_colormap };
struct OCRAD_Pixmap
{
const unsigned char * data;
int height;
int width;
enum OCRAD_Pixmap_Mode mode;
};
enum OCRAD_Errno { OCRAD_ok = 0, OCRAD_bad_argument, OCRAD_mem_error,
OCRAD_sequence_error, OCRAD_library_error };
struct OCRAD_Descriptor;
const char * OCRAD_version( void );
/*--------------------- Functions ---------------------*/
struct OCRAD_Descriptor * OCRAD_open( void );
int OCRAD_close( struct OCRAD_Descriptor * const ocrdes );
enum OCRAD_Errno OCRAD_get_errno( struct OCRAD_Descriptor * const ocrdes );
int OCRAD_set_image( struct OCRAD_Descriptor * const ocrdes,
const struct OCRAD_Pixmap * const image,
const bool invert );
int OCRAD_set_image_from_file( struct OCRAD_Descriptor * const ocrdes,
const char * const filename,
const bool invert );
int OCRAD_set_utf8_format( struct OCRAD_Descriptor * const ocrdes,
const bool utf8 ); // 0 = byte, 1 = utf8
int OCRAD_set_threshold( struct OCRAD_Descriptor * const ocrdes,
const int threshold ); // 0..255, -1 = auto
int OCRAD_scale( struct OCRAD_Descriptor * const ocrdes, const int value );
int OCRAD_recognize( struct OCRAD_Descriptor * const ocrdes,
const bool layout );
int OCRAD_result_blocks( struct OCRAD_Descriptor * const ocrdes );
int OCRAD_result_lines( struct OCRAD_Descriptor * const ocrdes,
const int blocknum ); // 0..blocks-1
int OCRAD_result_chars_total( struct OCRAD_Descriptor * const ocrdes );
int OCRAD_result_chars_block( struct OCRAD_Descriptor * const ocrdes,
const int blocknum ); // 0..blocks-1
int OCRAD_result_chars_line( struct OCRAD_Descriptor * const ocrdes,
const int blocknum, // 0..blocks-1
const int linenum ); // 0..lines(block)-1
const char * OCRAD_result_line( struct OCRAD_Descriptor * const ocrdes,
const int blocknum, // 0..blocks-1
const int linenum ); // 0..lines(block)-1
int OCRAD_result_first_character( struct OCRAD_Descriptor * const ocrdes );
#ifdef __cplusplus
}
#endif
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