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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
- /*
- * 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 */
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