| /* |
| * Copyright 2000 Computing Research Labs, New Mexico State University |
| * Copyright 2001-2004, 2011 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 <freetype/internal/ftobjs.h> |
| #include <freetype/internal/ftstream.h> |
| #include <freetype/internal/fthash.h> |
| |
| |
| FT_BEGIN_HEADER |
| |
| |
| /* Imported from bdfP.h */ |
| |
| #define _bdf_glyph_modified( map, e ) \ |
| ( (map)[(e) >> 5] & ( 1UL << ( (e) & 31 ) ) ) |
| #define _bdf_set_glyph_modified( map, e ) \ |
| ( (map)[(e) >> 5] |= ( 1UL << ( (e) & 31 ) ) ) |
| #define _bdf_clear_glyph_modified( map, e ) \ |
| ( (map)[(e) >> 5] &= ~( 1UL << ( (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_ |
| { |
| const char* name; /* Name of the property. */ |
| int format; /* Format of the property. */ |
| int builtin; /* A builtin property. */ |
| union |
| { |
| char* atom; |
| long l; |
| unsigned long ul; |
| |
| } 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. */ |
| unsigned 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 bdf_font_t_ |
| { |
| char* name; /* Name of the font. */ |
| bdf_bbx_t bbx; /* Font bounding box. */ |
| |
| unsigned 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. */ |
| |
| unsigned long default_char; /* 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. */ |
| |
| void* internal; /* Internal data for the font. */ |
| |
| unsigned short bpp; /* Bits per pixel. */ |
| |
| FT_Memory memory; |
| |
| bdf_property_t* user_props; |
| unsigned long nuser_props; |
| FT_HashRec 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, |
| const char* name ); |
| |
| |
| FT_END_HEADER |
| |
| |
| #endif /* BDF_H_ */ |
| |
| |
| /* END */ |
