diff options
Diffstat (limited to 'src/bdf/bdf.h')
| -rw-r--r-- | src/bdf/bdf.h | 532 |
1 files changed, 230 insertions, 302 deletions
diff --git a/src/bdf/bdf.h b/src/bdf/bdf.h index 0ba587ed..6a4bb821 100644 --- a/src/bdf/bdf.h +++ b/src/bdf/bdf.h @@ -1,6 +1,6 @@ /* * Copyright 2000 Computing Research Labs, New Mexico State University - * Copyright 2001 Francesco Zappa Nardelli + * 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"), @@ -20,348 +20,276 @@ * 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__ + /* - * $Id$ + * Based on bdf.h,v 1.16 2000/03/16 20:08:51 mleisher */ -#include <string.h> - #include <ft2build.h> #include FT_INTERNAL_OBJECTS_H #include FT_INTERNAL_STREAM_H FT_BEGIN_HEADER -/* Imported from bdfP.h */ -#ifndef MYABS -#define MYABS(xx) ((xx) < 0 ? -(xx) : (xx)) -#endif -#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)) +/* 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_UNIX_EOL 1 /* Save fonts with Unix LF. */ -#define BDF_DOS_EOL 2 /* Save fonts with DOS CRLF. */ -#define BDF_MAC_EOL 3 /* Save fonts with Mac CR. */ - -#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 { - int ttf_hint; - int correct_metrics; - int keep_unencoded; - int keep_comments; - int pad_cells; - int font_spacing; - long point_size; - unsigned long resolution_x; - unsigned long resolution_y; - int bits_per_pixel; - int eol; -} 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 options macros and types. */ + /* */ + /*************************************************************************/ -/************************************************************************** - * - * BDF font property macros and types. - * - **************************************************************************/ -#define BDF_ATOM 1 -#define BDF_INTEGER 2 -#define BDF_CARDINAL 3 +#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. */ -/* - * This structure represents a particular property of a font. - * There are a set of defaults and each font has their own. - */ -typedef struct { - 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. - * - **************************************************************************/ +#define BDF_ALL_SPACING ( BDF_PROPORTIONAL | \ + BDF_MONOWIDTH | \ + BDF_CHARCELL ) -/* - * A general bitmap type, mostly used when the glyph bitmap is being edited. - */ -typedef struct { - short x; - short y; - unsigned short width; - unsigned short height; - unsigned short bpp; - unsigned short pad; - unsigned char *bitmap; - unsigned long bytes; -} bdf_bitmap_t; - -typedef struct { - int font_spacing; - unsigned short swidth; - unsigned short dwidth; - unsigned short width; - unsigned short height; - short x_offset; - short y_offset; - short ascent; - short descent; -} bdf_metrics_t; - -typedef struct { - unsigned short width; - unsigned short height; - short x_offset; - short y_offset; - short ascent; - short descent; -} bdf_bbx_t; - -typedef struct { - 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 short bytes; /* Number of bytes used for the bitmap. */ -} bdf_glyph_t; - -typedef struct { - char *key; - void *data; -} _hashnode, *hashnode; - -typedef struct { - int limit; - int size; - int used; - hashnode *table; -} hashtable; - -typedef struct { - 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 { - 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 hbf; /* Font came from an HBF font. */ - - 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. */ - - long glyphs_size; /* Glyph structures allocated. */ - long glyphs_used; /* Glyph structures used. */ - bdf_glyph_t *glyphs; /* Glyphs themselves. */ - - long unencoded_size; /* Unencoded glyph structures allocated. */ - long unencoded_used; /* Unencoded glyph structures 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. */ - - char *acmsgs; /* Auto-correction messages. */ - unsigned long acmsgs_len; /* Length of auto-correction messages. */ - - 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. */ - - 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; +#define BDF_DEFAULT_LOAD_OPTIONS ( BDF_CORRECT_METRICS | \ + BDF_KEEP_COMMENTS | \ + BDF_KEEP_UNENCODED | \ + BDF_PROPORTIONAL ) -/************************************************************************** - * - * Types for load/save callbacks. - * - **************************************************************************/ + typedef struct bdf_options_t_ + { + int correct_metrics; + int keep_unencoded; + int keep_comments; + int font_spacing; -/* - * Callback reasons. - */ -#define BDF_LOAD_START 1 -#define BDF_LOADING 2 -#define BDF_SAVE_START 3 -#define BDF_SAVING 4 -#define BDF_TRANSLATE_START 5 -#define BDF_TRANSLATING 6 -#define BDF_ROTATE_START 7 -#define BDF_ROTATING 8 -#define BDF_SHEAR_START 9 -#define BDF_SHEARING 10 -#define BDF_GLYPH_NAME_START 11 -#define BDF_GLYPH_NAME 12 -#define BDF_EXPORT_START 13 -#define BDF_EXPORTING 14 -#define BDF_EMBOLDEN_START 15 -#define BDF_EMBOLDENING 16 -#define BDF_WARNING 20 -#define BDF_ERROR 21 + } bdf_options_t; -/* - * Error codes. - */ -#define BDF_OK 0 -#define BDF_MISSING_START -1 -#define BDF_MISSING_FONTNAME -2 -#define BDF_MISSING_SIZE -3 -#define BDF_MISSING_FONTBBX -4 -#define BDF_MISSING_CHARS -5 -#define BDF_MISSING_STARTCHAR -6 -#define BDF_MISSING_ENCODING -7 -#define BDF_MISSING_BBX -8 - -#define BDF_NOT_CONSOLE_FONT -10 -#define BDF_NOT_MF_FONT -11 -#define BDF_NOT_PSF_FONT -12 - -#define BDF_OUT_OF_MEMORY -20 - -#define BDF_EMPTY_FONT -99 -#define BDF_INVALID_LINE -100 -typedef struct { - unsigned long reason; - unsigned long current; - unsigned long total; - unsigned long errlineno; -} bdf_callback_struct_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 ); -typedef void (*bdf_callback_t) (bdf_callback_struct_t *call_data, - void *client_data); -/************************************************************************** - * - * BDF font API. - * - **************************************************************************/ + /*************************************************************************/ + /* */ + /* BDF font property macros and types. */ + /* */ + /*************************************************************************/ -/* - * Startup and shutdown functions are no more needed - */ -/* - * Font options functions. - */ -/*extern void bdf_default_options (bdf_options_t *opts);*/ +#define BDF_ATOM 1 +#define BDF_INTEGER 2 +#define BDF_CARDINAL 3 -/* - * Font load, create, save and free functions. - */ -FT_LOCAL( bdf_font_t* ) bdf_load_font (FT_Stream stream, FT_Memory memory, - bdf_options_t *opts, - bdf_callback_t callback, void *data); + /* 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. */ -FT_LOCAL( void ) bdf_free_font (bdf_font_t *font); + } bdf_property_t; -/* - * Font property functions. - */ -/* extern void bdf_create_property (char *name, int type, bdf_font_t *font); */ -FT_LOCAL( bdf_property_t* ) bdf_get_property (char *name, bdf_font_t *font); -FT_LOCAL( unsigned long ) bdf_property_list (bdf_property_t **props); -FT_LOCAL( void ) bdf_add_font_property (bdf_font_t *font, - bdf_property_t *property); - -FT_LOCAL( void ) bdf_delete_font_property (bdf_font_t *font, char *name); + /*************************************************************************/ + /* */ + /* BDF font metric and glyph types. */ + /* */ + /*************************************************************************/ -FT_LOCAL( bdf_property_t* ) bdf_get_font_property (bdf_font_t *font, - char *name); - -FT_LOCAL( unsigned long ) bdf_font_property_list (bdf_font_t *font, - bdf_property_t **props); -/* - * Font comment functions. - */ -FT_LOCAL( int ) bdf_replace_comments (bdf_font_t *font, char *comments, - unsigned long comments_len); + typedef struct bdf_bbx_t_ + { + unsigned short width; + unsigned short height; + + short x_offset; + short y_offset; + + short ascent; + short descent; + + } bdf_bbx_t; -/* - * Other miscellaneous functions. - */ -FT_LOCAL( void ) bdf_set_default_metrics (bdf_font_t *font); -/* */ + 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 /* _h_bdf */ + +#endif /* __BDF_H__ */ + + +/* END */ |