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- /*
- * Copyright 2000 Computing Research Labs, New Mexico State University
- * Copyright 2001, 2002 Francesco Zappa Nardelli
- *
- * 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 __BDF_H__
- #define __BDF_H__
- /*
- * Based on bdf.h,v 1.16 2000/03/16 20:08:51 mleisher
- */
- #include <ft2build.h>
- #include FT_INTERNAL_OBJECTS_H
- #include FT_INTERNAL_STREAM_H
- FT_BEGIN_HEADER
- /* Imported from bdfP.h */
- #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 ) ) )
- /* end of bdfP.h */
- /*************************************************************************/
- /* */
- /* BDF font options macros and types. */
- /* */
- /*************************************************************************/
- #define BDF_CORRECT_METRICS 0x01 /* Correct invalid metrics when loading. */
- #define BDF_KEEP_COMMENTS 0x02 /* Preserve the font comments. */
- #define BDF_KEEP_UNENCODED 0x04 /* Keep the unencoded glyphs. */
- #define BDF_PROPORTIONAL 0x08 /* Font has proportional spacing. */
- #define BDF_MONOWIDTH 0x10 /* Font has mono width. */
- #define BDF_CHARCELL 0x20 /* Font has charcell spacing. */
- #define BDF_ALL_SPACING ( BDF_PROPORTIONAL | \
- BDF_MONOWIDTH | \
- BDF_CHARCELL )
- #define BDF_DEFAULT_LOAD_OPTIONS ( BDF_CORRECT_METRICS | \
- BDF_KEEP_COMMENTS | \
- BDF_KEEP_UNENCODED | \
- BDF_PROPORTIONAL )
- typedef struct bdf_options_t_
- {
- int correct_metrics;
- int keep_unencoded;
- int keep_comments;
- int font_spacing;
- } bdf_options_t;
- /* Callback function type for unknown configuration options. */
- typedef int
- (*bdf_options_callback_t)( bdf_options_t* opts,
- char** params,
- unsigned long nparams,
- void* client_data );
- /*************************************************************************/
- /* */
- /* BDF font property macros and types. */
- /* */
- /*************************************************************************/
- #define BDF_ATOM 1
- #define BDF_INTEGER 2
- #define BDF_CARDINAL 3
- /* This structure represents a particular property of a font. */
- /* There are a set of defaults and each font has their own. */
- typedef struct bdf_property_t_
- {
- char* name; /* Name of the property. */
- int format; /* Format of the property. */
- int builtin; /* A builtin property. */
- union
- {
- char* atom;
- long int32;
- unsigned long card32;
- } value; /* Value of the property. */
- } bdf_property_t;
- /*************************************************************************/
- /* */
- /* BDF font metric and glyph types. */
- /* */
- /*************************************************************************/
- typedef struct bdf_bbx_t_
- {
- unsigned short width;
- unsigned short height;
- short x_offset;
- short y_offset;
- short ascent;
- short descent;
- } bdf_bbx_t;
- typedef struct bdf_glyph_t_
- {
- char* name; /* Glyph name. */
- long encoding; /* Glyph encoding. */
- unsigned short swidth; /* Scalable width. */
- unsigned short dwidth; /* Device width. */
- bdf_bbx_t bbx; /* Glyph bounding box. */
- unsigned char* bitmap; /* Glyph bitmap. */
- unsigned long bpr; /* Number of bytes used per row. */
- unsigned short bytes; /* Number of bytes used for the bitmap. */
- } bdf_glyph_t;
- typedef struct _hashnode_
- {
- char* key;
- void* data;
-
- } _hashnode, *hashnode;
- typedef struct hashtable_
- {
- int limit;
- int size;
- int used;
- hashnode* table;
- } hashtable;
- typedef struct bdf_glyphlist_t_
- {
- unsigned short pad; /* Pad to 4-byte boundary. */
- unsigned short bpp; /* Bits per pixel. */
- long start; /* Beginning encoding value of glyphs. */
- long end; /* Ending encoding value of glyphs. */
- bdf_glyph_t* glyphs; /* Glyphs themselves. */
- unsigned long glyphs_size; /* Glyph structures allocated. */
- unsigned long glyphs_used; /* Glyph structures used. */
- bdf_bbx_t bbx; /* Overall bounding box of glyphs. */
- } bdf_glyphlist_t;
- typedef struct bdf_font_t_
- {
- char* name; /* Name of the font. */
- bdf_bbx_t bbx; /* Font bounding box. */
- long point_size; /* Point size of the font. */
- unsigned long resolution_x; /* Font horizontal resolution. */
- unsigned long resolution_y; /* Font vertical resolution. */
- int spacing; /* Font spacing value. */
- unsigned short monowidth; /* Logical width for monowidth font. */
- long default_glyph; /* Encoding of the default glyph. */
- long font_ascent; /* Font ascent. */
- long font_descent; /* Font descent. */
- unsigned long glyphs_size; /* Glyph structures allocated. */
- unsigned long glyphs_used; /* Glyph structures used. */
- bdf_glyph_t* glyphs; /* Glyphs themselves. */
- unsigned long unencoded_size; /* Unencoded glyph struct. allocated. */
- unsigned long unencoded_used; /* Unencoded glyph struct. used. */
- bdf_glyph_t* unencoded; /* Unencoded glyphs themselves. */
- unsigned long props_size; /* Font properties allocated. */
- unsigned long props_used; /* Font properties used. */
- bdf_property_t* props; /* Font properties themselves. */
- char* comments; /* Font comments. */
- unsigned long comments_len; /* Length of comment string. */
- bdf_glyphlist_t overflow; /* Storage used for glyph insertion. */
- void* internal; /* Internal data for the font. */
- unsigned long nmod[2048]; /* Bitmap indicating modified glyphs. */
- unsigned long umod[2048]; /* Bitmap indicating modified */
- /* unencoded glyphs. */
- unsigned short modified; /* Boolean indicating font modified. */
- unsigned short bpp; /* Bits per pixel. */
- FT_Memory memory;
- bdf_property_t* user_props;
- unsigned long nuser_props;
- hashtable proptbl;
- } bdf_font_t;
- /*************************************************************************/
- /* */
- /* Types for load/save callbacks. */
- /* */
- /*************************************************************************/
- /* Error codes. */
- #define BDF_MISSING_START -1
- #define BDF_MISSING_FONTNAME -2
- #define BDF_MISSING_SIZE -3
- #define BDF_MISSING_CHARS -4
- #define BDF_MISSING_STARTCHAR -5
- #define BDF_MISSING_ENCODING -6
- #define BDF_MISSING_BBX -7
- #define BDF_OUT_OF_MEMORY -20
- #define BDF_INVALID_LINE -100
- /*************************************************************************/
- /* */
- /* BDF font API. */
- /* */
- /*************************************************************************/
- FT_LOCAL( FT_Error )
- bdf_load_font( FT_Stream stream,
- FT_Memory memory,
- bdf_options_t* opts,
- bdf_font_t* *font );
- FT_LOCAL( void )
- bdf_free_font( bdf_font_t* font );
- FT_LOCAL( bdf_property_t * )
- bdf_get_property( char* name,
- bdf_font_t* font );
- FT_LOCAL( bdf_property_t * )
- bdf_get_font_property( bdf_font_t* font,
- char* name );
- FT_END_HEADER
- #endif /* __BDF_H__ */
- /* END */
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