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scummvm/tools/sci/bdf.h
T
Eugene Sandulenko 6c0ac7f692 Resurrection of SCI tools. Step 1. 
svn-id: r39240
2009-03-08 17:20:33 +00:00

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/*
* 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 <stdio.h>
#include <stdlib.h>
#ifndef __digital__
#include <unistd.h>
#endif
#include <string.h>
#ifdef HAVE_XLIB
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#endif /* HAVE_XLIB */
#ifdef HAVE_FREETYPE
#include <freetype.h>
#include <ftxsbit.h>
#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 */
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