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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
#ifndef LEPTONICA_BMF_H
#define LEPTONICA_BMF_H
/*!
* \file bmf.h
*
* Simple data structure to hold bitmap fonts and related data
*/
/*! Constants for deciding when text block is divided into paragraphs */
/*! Split Text */
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 */
};
/*! Data structure to hold bitmap fonts and related data */
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 */
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