/* * Copyright 2001 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_bdf #define _h_bdf /* * $Id$ */ #include #include #ifndef __digital__ #include #endif #include #ifdef HAVE_XLIB #include #include #include #endif /* HAVE_XLIB */ #ifdef HAVE_FREETYPE #include #include #endif /* HAVE_FREETYPE */ #ifdef __cplusplus extern "C" { #endif /* * A macro for prototypes. */ #undef __ #ifdef __STDC__ #define __(x) x #else #define __(x) () #endif /************************************************************************** * * 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 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 { 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; /************************************************************************** * * SBIT metrics specific structures. * **************************************************************************/ /* * Boolean flags for SBIT metrics files. */ #define BDF_SBIT_MONO_ADVANCE 0x0001 #define BDF_SBIT_ADD_EBLC 0x0002 #define BDF_SBIT_APPLE_COMPAT 0x0004 /* * Direction macros (inclusive, can be combined). */ #define BDF_SBIT_HORIZONTAL 0x0008 #define BDF_SBIT_VERTICAL 0x0010 /* * Bitmap storage options (exclusive, cannot be combined). */ #define BDF_SBIT_STORE_SMALL 0x0020 #define BDF_SBIT_STORE_FAST 0x0040 typedef struct { short cnum; /* Caret slope numerator. */ short cdenom; /* Caret slope denominator. */ short coff; /* Caret offset. */ short sx; /* Scaled version horizontal PPEM size. */ short sy; /* Scaled version vertical PPEM size (optional).*/ short flags; /* Booleans and other non-numeric values. */ } bdf_sbit_t; /************************************************************************** * * BDF opaque undo information types. * **************************************************************************/ typedef struct _bdf_undo_struct *bdf_undo_t; /************************************************************************** * * BDF font metric and glyph types. * **************************************************************************/ /* * 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 { 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. */ bdf_sbit_t *sbits; /* Associcated SBIT metrics. */ unsigned long sbits_used; /* Number of SBIT metrics entries. */ unsigned long sbits_size; /* Amount of entries allocated. */ bdf_undo_t *undo_stack; /* Record of undoable operations. */ unsigned long undo_used; /* Amount of undo stack used. */ unsigned long undo_size; /* Amount of undo stack allocated. */ } bdf_font_t; /************************************************************************** * * BDF glyph grid structures for editing glyph bitmaps. * **************************************************************************/ typedef struct { char *name; long encoding; /* The glyph encoding. */ unsigned short unencoded; /* Whether the glyph was unencoded. */ unsigned short bpp; /* Bits per pixel. */ int spacing; /* Font spacing. */ long resolution_x; /* Horizontal resolution. */ long resolution_y; /* Vertical resolution. */ unsigned long point_size; /* Font point size. */ unsigned short swidth; /* Scalable width. */ unsigned short dwidth; /* Device width. */ bdf_bbx_t font_bbx; /* Font bounding box. */ bdf_bbx_t glyph_bbx; /* Glyph bounding box. */ unsigned char *bitmap; /* The grid bitmap. */ unsigned short bytes; /* Number of bytes in the grid bitmap. */ short grid_width; /* Width of the grid. */ short grid_height; /* Height of the grid. */ short base_x; /* Baseline X coordinate. */ short base_y; /* Baseline Y coordinate. */ short glyph_x; /* Top-left X position of glyph. */ short glyph_y; /* Top-left Y position of glyph. */ unsigned short modified; /* Flag indicating if bitmap modified. */ short cap_height; /* Font CAP_HEIGHT if it exists. */ short x_height; /* Font X_HEIGHT if it exists. */ bdf_bitmap_t sel; /* Selected portion of the glyph bitmap.*/ } bdf_glyph_grid_t; /************************************************************************** * * Types for load/save callbacks. * **************************************************************************/ /* * 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 /* * 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_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; typedef void (*bdf_callback_t) __((bdf_callback_struct_t *call_data, void *client_data)); /************************************************************************** * * BDF font API. * **************************************************************************/ /* * Startup and shutdown functions. */ extern void bdf_setup __((void)); extern void bdf_cleanup __((void)); /* * Configuration file loading and saving. */ extern void bdf_load_options __((FILE *in, bdf_options_t *opts, bdf_options_callback_t callback, void *client_data)); extern void bdf_save_options __((FILE *out, bdf_options_t *opts)); /* * Font options functions. */ extern void bdf_default_options __((bdf_options_t *opts)); /* * Font load, create, save and free functions. */ extern bdf_font_t *bdf_new_font __((char *name, long point_size, long resolution_x, long resolution_y, long spacing, int bpp)); extern bdf_font_t *bdf_load_font __((FILE *in, bdf_options_t *opts, bdf_callback_t callback, void *data)); extern bdf_font_t *bdf_load_hbf_font __((char *filename, bdf_options_t *opts, bdf_callback_t callback, void *data)); #ifdef HAVE_XLIB extern bdf_font_t *bdf_load_server_font __((Display *d, XFontStruct *f, char *name, bdf_options_t *opts, bdf_callback_t callback, void *data)); #endif /* HAVE_XLIB */ extern int bdf_load_console_font __((FILE *in, bdf_options_t *opts, bdf_callback_t callback, void *data, bdf_font_t *fonts[3], int *nfonts)); extern int bdf_load_mf_font __((FILE *in, bdf_options_t *opts, bdf_callback_t callback, void *data, bdf_font_t **font)); extern void bdf_save_font __((FILE *out, bdf_font_t *font, bdf_options_t *opts, bdf_callback_t callback, void *data)); extern void bdf_save_sbit_metrics __((FILE *out, bdf_font_t *font, bdf_options_t *opts, char *appname)); extern void bdf_export_hex __((FILE *out, bdf_font_t *font, bdf_callback_t callback, void *data)); extern int bdf_export_psf __((FILE *out, bdf_font_t *font)); extern void bdf_free_font __((bdf_font_t *font)); #ifdef HAVE_FREETYPE /* * TrueType related macros and functions. */ /* * ID numbers of the strings that can appear in a TrueType font. */ #define BDFTTF_COPYRIGHT_STRING 0 #define BDFTTF_FAMILY_STRING 1 #define BDFTTF_SUBFAMILY_STRING 2 #define BDFTTF_UNIQUEID_STRING 3 #define BDFTTF_FULLNAME_STRING 4 #define BDFTTF_VENDOR_STRING 5 #define BDFTTF_POSTSCRIPT_STRING 6 #define BDFTTF_TRADEMARK_STRING 7 extern char *bdfttf_platform_name __((short pid)); extern char *bdfttf_encoding_name __((short pid, short eid)); extern int bdfttf_get_english_string __((TT_Face face, int nameID, int dash_to_space, char *name)); extern int bdfttf_load_font __((TT_Face face, TT_Face_Properties *properties, short pid, short eid, bdf_options_t *opts, bdf_callback_t callback, void *data, bdf_font_t **font)); #endif /* HAVE_FREETYPE */ /* * FON/FNT related functions. */ /* * String ID numbers for FON/FNT fonts. */ #define BDFFNT_COPYRIGHT 1 #define BDFFNT_TYPEFACE 2 /* * Opaque font type. */ typedef struct _bdffnt_font_t *bdffnt_font_t; extern int bdffnt_open_font __((char *path, bdffnt_font_t *font)); extern void bdffnt_close_font __((bdffnt_font_t font)); extern int bdffnt_font_count __((bdffnt_font_t font)); extern int bdffnt_get_copyright __((bdffnt_font_t font, unsigned long fontID, unsigned char *string)); extern int bdffnt_get_facename __((bdffnt_font_t font, unsigned long fontID, int for_xlfd, unsigned char *string)); extern int bdffnt_char_count __((bdffnt_font_t font, unsigned long fontID)); extern int bdffnt_font_pointsize __((bdffnt_font_t font, unsigned long fontID)); extern int bdffnt_load_font __((bdffnt_font_t font, unsigned long fontID, bdf_callback_t callback, void *data, bdf_font_t **out)); /* * Font property functions. */ extern void bdf_create_property __((char *name, int type)); extern bdf_property_t *bdf_get_property __((char *name)); extern unsigned long bdf_property_list __((bdf_property_t **props)); extern void bdf_add_font_property __((bdf_font_t *font, bdf_property_t *property)); extern void bdf_delete_font_property __((bdf_font_t *font, char *name)); extern bdf_property_t *bdf_get_font_property __((bdf_font_t *font, const char *name)); extern unsigned long bdf_font_property_list __((bdf_font_t *font, bdf_property_t **props)); /* * Font comment functions. */ extern int bdf_replace_comments __((bdf_font_t *font, char *comments, unsigned long comments_len)); /* * Other miscellaneous functions. */ extern void bdf_set_default_metrics __((bdf_font_t *font)); /* * Font glyph editing functions. */ extern int bdf_glyph_modified __((bdf_font_t *font, long which, int unencoded)); extern void bdf_copy_glyphs __((bdf_font_t *font, long start, long end, bdf_glyphlist_t *glyphs, int unencoded)); extern void bdf_delete_glyphs __((bdf_font_t *font, long start, long end, int unencoded)); extern int bdf_insert_glyphs __((bdf_font_t *font, long start, bdf_glyphlist_t *glyphs)); extern int bdf_replace_glyphs __((bdf_font_t *font, long start, bdf_glyphlist_t *glyphs, int unencoded)); extern int bdf_merge_glyphs __((bdf_font_t *font, long start, bdf_glyphlist_t *glyphs, int unencoded)); /************************************************************************** * * Other API functions. * **************************************************************************/ extern int bdf_set_font_bbx __((bdf_font_t *font, bdf_metrics_t *metrics)); extern void bdf_set_modified __((bdf_font_t *font, int modified)); extern int bdf_has_xlfd_name __((bdf_font_t *font)); extern char *bdf_make_xlfd_name __((bdf_font_t *font, char *foundry, char *family)); extern void bdf_update_name_from_properties __((bdf_font_t *font)); extern void bdf_update_properties_from_name __((bdf_font_t *font)); extern int bdf_update_average_width __((bdf_font_t *font)); extern int bdf_set_unicode_glyph_names __((FILE *in, bdf_font_t *font, bdf_callback_t callback)); extern int bdf_set_adobe_glyph_names __((FILE *in, bdf_font_t *font, bdf_callback_t callback)); extern int bdf_set_glyph_code_names __((int prefix, bdf_font_t *font, bdf_callback_t callback)); /************************************************************************** * * Glyph grid API. * **************************************************************************/ /* * Glyph grid allocation and deallocation functions. */ extern bdf_glyph_grid_t *bdf_make_glyph_grid __((bdf_font_t *font, long code, int unencoded)); extern void bdf_free_glyph_grid __((bdf_glyph_grid_t *grid)); /* * Glyph grid information functions. */ extern void bdf_grid_image __((bdf_glyph_grid_t *grid, bdf_bitmap_t *image)); extern void bdf_grid_origin __((bdf_glyph_grid_t *grid, short *x, short *y)); extern bdf_glyph_t *bdf_grid_glyph __((bdf_glyph_grid_t *grid)); /* * Glyph grid editing functions. */ extern int bdf_grid_enlarge __((bdf_glyph_grid_t *grid, unsigned short width, unsigned short height)); extern int bdf_grid_resize __((bdf_glyph_grid_t *grid, bdf_metrics_t *metrics)); extern int bdf_grid_crop __((bdf_glyph_grid_t *grid, int grid_modified)); extern int bdf_grid_set_pixel __((bdf_glyph_grid_t *grid, short x, short y, int val)); extern int bdf_grid_clear_pixel __((bdf_glyph_grid_t *grid, short x, short y)); extern int bdf_grid_invert_pixel __((bdf_glyph_grid_t *grid, short x, short y, int val)); extern int bdf_grid_shift __((bdf_glyph_grid_t *grid, short xcount, short ycount)); extern int bdf_grid_flip __((bdf_glyph_grid_t *grid, short dir)); extern int bdf_grid_rotate __((bdf_glyph_grid_t *grid, short degrees, int *resize)); extern int bdf_grid_shear __((bdf_glyph_grid_t *grid, short degrees, int *resize)); extern int bdf_grid_embolden __((bdf_glyph_grid_t *grid)); /* * Glyph grid selection functions. */ extern int bdf_has_selection __((bdf_glyph_grid_t *grid, short *x, short *y, short *width, short *height)); extern void bdf_set_selection __((bdf_glyph_grid_t *grid, short x, short y, short width, short height)); extern void bdf_lose_selection __((bdf_glyph_grid_t *grid)); extern void bdf_detach_selection __((bdf_glyph_grid_t *grid)); extern void bdf_attach_selection __((bdf_glyph_grid_t *grid)); extern void bdf_delete_selection __((bdf_glyph_grid_t *grid)); extern int bdf_in_selection __((bdf_glyph_grid_t *grid, short x, short y, short *set)); extern void bdf_add_selection __((bdf_glyph_grid_t *grid, bdf_bitmap_t *sel)); /* * Glyph grid misc functions. */ extern int bdf_grid_color_at __((bdf_glyph_grid_t *grid, short x, short y)); /* * Graphical transformation functions. */ extern int bdf_translate_glyphs __((bdf_font_t *font, short dx, short dy, long start, long end, bdf_callback_t callback, void *data, int unencoded)); extern int bdf_rotate_glyphs __((bdf_font_t *font, short degrees, long start, long end, bdf_callback_t callback, void *data, int unencoded)); extern int bdf_shear_glyphs __((bdf_font_t *font, short degrees, long start, long end, bdf_callback_t callback, void *data, int unencoded)); extern int bdf_embolden_glyphs __((bdf_font_t *font, long start, long end, bdf_callback_t callback, void *data, int unencoded, int *resize)); extern int bdf_little_endian __((void)); #undef __ #ifdef __cplusplus } #endif #endif /* _h_bdf */