mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-27 10:34:12 +08:00
52 lines
2.4 KiB
C
52 lines
2.4 KiB
C
/*====================================================================*
|
|
- Copyright (C) 2001 Leptonica. All rights reserved.
|
|
- This software is distributed in the hope that it will be
|
|
- useful, but with NO WARRANTY OF ANY KIND.
|
|
- No author or distributor accepts responsibility to anyone for the
|
|
- consequences of using this software, or for whether it serves any
|
|
- particular purpose or works at all, unless he or she says so in
|
|
- writing. Everyone is granted permission to copy, modify and
|
|
- redistribute this source code, for commercial or non-commercial
|
|
- purposes, with the following restrictions: (1) the origin of this
|
|
- source code must not be misrepresented; (2) modified versions must
|
|
- be plainly marked as such; and (3) this notice may not be removed
|
|
- or altered from any source or modified source distribution.
|
|
*====================================================================*/
|
|
|
|
#ifndef LEPTONICA_BMF_H
|
|
#define LEPTONICA_BMF_H
|
|
|
|
/*
|
|
* bmf.h
|
|
*
|
|
* Simple data structure to hold bitmap fonts and related data
|
|
*/
|
|
|
|
/* Constants for deciding when text block is divided into paragraphs */
|
|
enum {
|
|
SPLIT_ON_LEADING_WHITE = 1, /* tab or space at beginning of line */
|
|
SPLIT_ON_BLANK_LINE = 2, /* newline with optional white space */
|
|
SPLIT_ON_BOTH = 3 /* leading white space or newline */
|
|
};
|
|
|
|
|
|
struct L_Bmf
|
|
{
|
|
struct Pixa *pixa; /* pixa of bitmaps for 93 characters */
|
|
l_int32 size; /* font size (in points at 300 ppi) */
|
|
char *directory; /* directory containing font bitmaps */
|
|
l_int32 baseline1; /* baseline offset for ascii 33 - 57 */
|
|
l_int32 baseline2; /* baseline offset for ascii 58 - 91 */
|
|
l_int32 baseline3; /* baseline offset for ascii 93 - 126 */
|
|
l_int32 lineheight; /* max height of line of chars */
|
|
l_int32 kernwidth; /* pixel dist between char bitmaps */
|
|
l_int32 spacewidth; /* pixel dist between word bitmaps */
|
|
l_int32 vertlinesep; /* extra vertical space between text lines */
|
|
l_int32 *fonttab; /* table mapping ascii --> font index */
|
|
l_int32 *baselinetab; /* table mapping ascii --> baseline offset */
|
|
l_int32 *widthtab; /* table mapping ascii --> char width */
|
|
};
|
|
typedef struct L_Bmf L_BMF;
|
|
|
|
#endif /* LEPTONICA_BMF_H */
|