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/*
* Copyright 2004 Computing Research Labs, New Mexico State University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _h_bdfP
#define _h_bdfP
/*
* $Id: bdfP.h,v 1.17 2004/02/08 23:58:59 mleisher Exp $
*/
#include "bdf.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* A macro for prototypes.
*/
#undef __
#ifdef __STDC__
#define __(x) x
#else
#define __(x) ()
#endif
#ifndef MYABS
#define MYABS(xx) ((xx) < 0 ? -(xx) : (xx))
#endif
/*
* Macros and structures used for undo operations in the font.
*/
#define _UNDO_REPLACE_GLYPHS 1
#define _UNDO_INSERT_GLYPHS 2
#define _UNDO_MERGE_GLYPHS 3
/*
* This structure is for undo operations of replacing and merging glyphs
* in the font.
*/
typedef struct {
bdf_bbx_t b;
bdf_glyphlist_t g;
} _bdf_undo1_t;
/*
* This structure is for undo operations of inserting glyphs.
*/
typedef struct {
bdf_bbx_t b;
long start;
long end;
} _bdf_undo2_t;
/*
* This is the final undo structure used to store undo information with the
* font.
*/
typedef struct {
int type;
union {
_bdf_undo1_t one;
_bdf_undo2_t two;
} field;
} _bdf_undo_t;
/*
* Tables for rotation and shearing.
*/
extern double _bdf_cos_tbl[];
extern double _bdf_sin_tbl[];
extern double _bdf_tan_tbl[];
/*
* PSF magic numbers.
*/
extern unsigned char _bdf_psf1magic[];
extern unsigned char _bdf_psf2magic[];
extern char _bdf_psfcombined[];
/*
* Arrays of masks for test with different bits per pixel.
*/
extern unsigned char onebpp[];
extern unsigned char twobpp[];
extern unsigned char fourbpp[];
/*
* Simple routine for determining the ceiling.
*/
extern short _bdf_ceiling __((double v));
extern unsigned char *_bdf_strdup __((unsigned char *s, unsigned long len));
extern void _bdf_memmove __((char *dest, char *src, unsigned long bytes));
extern short _bdf_atos __((char *s, char **end, int base));
extern long _bdf_atol __((char *s, char **end, int base));
extern unsigned long _bdf_atoul __((char *s, char **end, int base));
/*
* Function to locate the nearest glyph to a specified encoding.
*/
extern bdf_glyph_t *_bdf_locate_glyph __((bdf_font_t *font, long encoding,
int unencoded));
/*
* Macros to test/set the modified status of a glyph.
*/
#define _bdf_glyph_modified(map, e) ((map)[(e) >> 5] & (1 << ((e) & 31)))
#define _bdf_set_glyph_modified(map, e) (map)[(e) >> 5] |= (1 << ((e) & 31))
#define _bdf_clear_glyph_modified(map, e) (map)[(e) >> 5] &= ~(1 << ((e) & 31))
/*
* Function to add a message to the font.
*/
extern void _bdf_add_acmsg __((bdf_font_t *font, char *msg,
unsigned long len));
/*
* Function to add a comment to the font.
*/
extern void _bdf_add_comment __((bdf_font_t *font, char *comment,
unsigned long len));
/*
* Function to do glyph name table cleanup when exiting.
*/
extern void _bdf_glyph_name_cleanup __((void));
/*
* Function to pad cells when saving glyphs.
*/
extern void _bdf_pad_cell __((bdf_font_t *font, bdf_glyph_t *glyph,
bdf_glyph_t *cell));
/*
* Function to crop glyphs down to their minimum bitmap.
*/
extern void _bdf_crop_glyph __((bdf_font_t *font, bdf_glyph_t *glyph));
/*
* Routine to generate a string list from the PSF2 Unicode mapping format.
*/
extern char **_bdf_psf_unpack_mapping __((bdf_psf_unimap_t *unimap,
int *num_seq));
/*
* Routine to convert a string list of mappings back to PSF2 format.
*/
extern int _bdf_psf_pack_mapping __((char **list, int len,
long encoding, bdf_psf_unimap_t *map));
#if 0
/*
* This routine is used for locating Unicode mappings for PSF fonts.
*/
extern int _bdf_psf_locate_mapping __((bdf_font_t *font, long encoding,
unsigned char **pos,
unsigned long *len));
/*
* A routine to replace Unicode mappings in the font.
*/
extern int _bdf_psf_replace_mappings __((bdf_font_t *font, long from,
bdf_psf_unimap_t *map));
#endif
#undef __
#ifdef __cplusplus
}
#endif
#endif /* _h_bdfP */
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